CN118218940A - Automatic assembly machine for camera frame and glass back cover - Google Patents

Abstract

The invention discloses an automatic assembling machine for a camera frame and a glass rear cover, which comprises a circulating feeding part, a film tearing transfer part, a feeding part, a preassembling part and a pressure maintaining discharging part, wherein the circulating feeding part is horizontally arranged in a linear direction and is used for discharging a tray, taking materials, carrying materials and receiving the tray; the film tearing transfer part is arranged at the side part of the circulating feeding part and used for tearing the film and overturning the glass rear cover; the feeding part is arranged at one side of the transfer part of the tearing film at intervals; the preassembling part is arranged between the feeding part and the film tearing transfer part; the feeding part comprises at least two material boxes; the pressure-retaining blanking portions are arranged at intervals on the other side of the film tearing transfer portion. According to the invention, automatic circulation feeding and discharging storage of the glass rear cover and the camera frame are realized, the material transfer efficiency is effectively improved, automatic film tearing and overturning of the glass rear cover before assembling are realized, the assembling yield is effectively improved by adopting an upper pressing assembling mode, the high-precision positioning function of assembling is realized, the assembling precision is effectively improved, and the material position deviation is reduced.

Description

Automatic assembling machine for camera frame and glass rear cover

Technical Field

The invention relates to the field of mobile phone assembly automation equipment, in particular to an automatic assembly machine for a camera frame and a glass rear cover.

Background

The smart phone and the tablet personal computer are commonly used smart terminal equipment, and are an important tool in daily production and life of people. In the automatic assembly production process of the mobile phone, the mobile phone rear cover belongs to an important accessory in spare parts of a mobile phone supporting shell, and the assembly process of a plurality of groups of accessories is involved in the automatic assembly process of the mobile phone rear cover, such as camera assembly, and the glass rear cover of the camera needs to be attached and assembled on the mobile phone rear cover to form an integral assembly so as to assemble the mobile phone camera on the assembly later. In an automatic assembly production line for automatically assembling a glass rear cover and a camera frame, the automatic assembly production line relates to the processes of pre-assembling the glass rear cover and the camera frame, transferring an attaching piece, maintaining the pressure of the attaching piece, automatically blanking the pressure maintaining piece (an assembly of the glass rear cover and the camera frame) and the like, and the attaching piece is required to be subjected to pressure maintaining process to realize the combined curing of the glass rear cover and the camera frame after the pre-assembling.

In the actual production process, the glass rear cover is required to be attached with waterproof glue on one side surface to be assembled before the camera frame is assembled, and the release film on the surface of the waterproof glue layer is required to be torn off before the camera frame is assembled, so that the camera frame is assembled on the waterproof glue layer subsequently, and the waterproof glue layer is utilized to realize the adhesion fixation of the camera frame and the glass rear cover.

Based on the above assembly process requirements, in the process of assembling the integral glass rear cover and the camera frame, firstly, aiming at the problem of film tearing of a waterproof adhesive layer of the glass rear cover before assembly, the film tearing problem is solved; meanwhile, the film tearing surface is opposite to the subsequent assembly surface, so that the problems of automatic overturning, transferring and transporting of the glass rear cover in the film tearing problem solving process are also required to be solved. Secondly, aiming at the assembly process, as the camera frame and the glass rear cover are fixedly connected through the waterproof glue layer which is attached to the surface of the glass rear cover in advance, and the contact between the camera frame and the waterproof glue layer is planar contact, the relative position offset is easy to generate in the assembly process, so that the relative position stability of the glass rear cover and the camera frame is required to be ensured in the assembly process; in addition, based on the glass back lid is fragile material, traditional push-down type equipment mode (place the camera frame behind the glass and cover the back, realize both bonding fixedly through pushing down the camera frame) easily appear glass damage condition, and when transmission control became invalid, easily appear to smash down behind the glass because of mechanism or equipment self action of gravity and cover, damage the circumstances of lid behind the glass. And thirdly, after the assembly, the glass rear cover and the camera frame are connected and fixed through the adhesive force of the waterproof adhesive layer, so that the connection stability is ensured, and after the assembly of the glass rear cover and the camera frame is finished, the bonding stability is further required to be enhanced through a pressure maintaining process, so that the problem of automatic pressure maintaining after the assembly is required to be solved. Finally, in the assembly and pressure maintaining process, based on the bonding connection mode of the camera frame and the glass rear cover, the problem that the glass rear cover and the camera frame slide and misplacement due to the pressed position deviation during assembly pressing or pressure maintaining pressing easily occurs, and the assembly position is inaccurate is solved, so that the positioning correction problem of the glass rear cover and/or the camera frame in the assembly or pressure maintaining process is needed to be solved.

Disclosure of Invention

The invention aims to solve the technical problems of the prior art, and provides the automatic assembly machine for the camera frame and the glass rear cover, which is capable of realizing automatic circulation feeding and discharging storage of the glass rear cover and the camera frame, effectively improving material transfer efficiency, realizing automatic film tearing and overturning of the glass rear cover before assembly, effectively improving assembly yield by adopting an upper-top pressing assembly mode, having high-precision assembly positioning function, effectively improving assembly precision and reducing material position deviation.

The technical scheme adopted by the invention is as follows: the automatic assembling machine for the camera frame and the glass rear cover comprises a horizontally arranged machine table, and comprises a circulating feeding part, a film tearing transfer part, a feeding part, a preassembling part and a pressure maintaining discharging part which are arranged on the machine table, wherein the circulating feeding part is horizontally arranged along a linear direction and outputs linear power for driving a material tray for loading the glass rear cover to move so as to finish the material discharging tray, the material taking and carrying tray and the material receiving tray; the film tearing transfer part is arranged at the side part of the circulating feeding part and is used for bearing the glass rear cover moved out of the material tray and tearing off the protective film on the surface of the glass rear cover; the feeding part is arranged at one side of the transfer part of the tearing film at intervals; the pre-assembly part is arranged between the feeding part and the film tearing transfer part, and a transfer mechanism is arranged between the film tearing transfer part and the pre-assembly part and used for transferring the glass rear cover from the film tearing transfer part to the pre-assembly part; the feeding part comprises at least two material boxes, camera frames to be assembled are arranged in the material boxes, the camera frames are jacked upwards and output and then are conveyed into the pre-assembling part, and the camera frames and the glass rear cover are assembled to form a fitting piece; the pressure-maintaining blanking part is arranged at the other side of the film tearing transfer part at intervals, a transfer carrying arm is arranged between the pressure-maintaining blanking part and the preassembly part, the transfer carrying arm moves the attaching piece in the preassembly part into the pressure-maintaining blanking part, the pressure is maintained through the pressure-maintaining blanking part, a pressure-maintaining piece is formed, and the pressure-maintaining piece is circularly transported into a material tray of the circular feeding part.

Preferably, the circulating feeding part comprises a feeding machine frame, a conveying belt, a tray discharging mechanism, a material taking and carrying mechanism and a tray collecting mechanism; the feeding machine frame is horizontally arranged, three groups of material conveying belts are arranged on the feeding machine frame at intervals along the linear direction, and a tray discharging station, a material taking station and a tray collecting station are sequentially arranged at the three groups of material conveying belts respectively; the disc discharging mechanism, the material taking and carrying mechanism and the disc collecting mechanism are respectively and correspondingly arranged at a disc discharging station, a material taking station and a disc collecting station; at least two trays for loading the glass rear cover are stacked up and down in the tray placing mechanism, the tray placing mechanism supports the trays through a horizontal carrier plate with the middle part capable of lifting, and the trays at the lowest layer are separated onto a conveying belt through supporting plates which can be horizontally inserted and pulled back and forth at two sides above the horizontal carrier plate, so that the trays are placed one by one; the material taking and carrying mechanism blocks and positions the material tray discharged by the tray discharging mechanism so as to take and place the glass rear cover in the material tray; the receiving disc mechanism receives and blocks the rear cover of the camera glass after being loaded and processed at the material taking station, and then the material disc is jacked on the horizontal carrier plate with the lifting middle part, so that the material disc is separated from the material conveying belt and then is supported and supported by the supporting plates at the two sides above the horizontal carrier plate; and the feeding support is also provided with a manipulator for taking out the glass rear cover from the material tray at the material taking station and retrieving the pressure maintaining piece from the pressure maintaining blanking part to be placed in the material tray at the material taking station.

Preferably, the film tearing transfer part comprises a feeding table, a turnover mechanism and a film tearing mechanism, wherein the feeding table moves linearly back and forth along the front-back direction and is used for bearing and driving the glass rear cover to move; the film tearing mechanism is erected above the feeding table and is used for tearing off the protective film on the glass rear cover; the turnover mechanism is arranged at the rear end of the feeding table and is used for sucking the glass rear cover of the feeding table, turning the glass rear cover 180 degrees and then placing the glass rear cover on the feeding table again, and the feeding table drives the glass rear cover after film tearing to move to the lower part of the transfer mechanism, and the glass rear cover is moved to the pre-assembly part through the transfer mechanism.

Preferably, the feeding table comprises a feeding module and a bearing and positioning assembly; the feeding module is arranged on the machine table in a straight line along the front-back direction and outputs straight power along the front-back direction; the bearing and positioning assembly is arranged on the feeding module and driven by the feeding module to linearly move back and forth; the bearing and positioning assembly comprises a bearing component, a sliding rail, a U-shaped bearing block, a transverse positioning component and a longitudinal positioning component; the bearing component is arranged on the feeding module and comprises at least two bearing layers along the vertical direction; the sliding rails comprise two groups, and the two groups of sliding rails are respectively arranged on the bearing component along the transverse direction and the longitudinal direction; the U-shaped bearing block is arranged on the bearing component along the longitudinal direction and forms a bearing surface extending along the longitudinal direction, the bearing surface is provided with an inward concave strip air groove, the strip air groove is connected with an external vacuum generator and used for negative pressure adsorption, and a glass rear cover is placed on the bearing surface; a U-shaped material taking groove which is sunken downwards is arranged in the bearing surface; the transverse positioning component and the longitudinal positioning component are arranged on the bearing component and clamp and position the glass rear cover on the bearing surface along the transverse direction and the longitudinal direction respectively.

Preferably, the bearing component comprises a bearing positioning assembly, a bearing base plate, a first support column, a bearing support plate, a second support column and a bearing top plate, wherein the bearing base plate, the bearing support plate and the bearing top plate are arranged at intervals from bottom to top along the vertical direction; the first support posts comprise at least two first support posts which are vertically arranged on the bearing bottom plate and used for supporting the bearing support plate; the second support posts comprise at least two second support posts which are vertically arranged on the bearing support plate and used for supporting the bearing top plate; the sliding rail and the U-shaped bearing block are arranged on the bearing top plate; and the bearing top plate is provided with a transverse sliding groove and a longitudinal sliding groove along the longitudinal direction and the transverse direction respectively.

Preferably, the transverse positioning component comprises a transverse motor, a transverse driving belt, a transverse connecting seat, a transverse sliding seat and a transverse positioning column, wherein the transverse motor is arranged at the bottom of the bearing support plate, and the output shaft extends upwards through the bearing support plate; the transverse transmission belt is arranged between the bearing support plate and the bearing top plate along the transverse direction, one end of the transverse transmission belt is sleeved on an output shaft of the transverse motor, and the other end of the transverse transmission belt is sleeved on a tensioning roller arranged on the bearing support plate and driven by the transverse motor to move along the transverse direction; the transverse connecting seats comprise two transverse connecting seats which are respectively connected with two side edges of the transverse transmission belt, extend upwards to the upper part of the bearing top plate through the transverse sliding groove and are mutually close to or far away from each other along with the movement of the transverse transmission belt; the transverse sliding seats are respectively embedded on two sliding rails arranged along the transverse direction in a sliding manner, are positioned at the left side and the right side of the U-shaped bearing block, are respectively connected and fixed with the two transverse connecting seats, and are driven by the transverse connecting seats; at least two transverse positioning columns are arranged on the transverse sliding seat at intervals along the longitudinal direction, and move along with the transverse sliding seat so as to clamp the limit glass rear cover from the transverse direction.

Preferably, the longitudinal positioning component comprises a longitudinal motor, a longitudinal driving belt, a longitudinal connecting seat, a longitudinal sliding seat and a longitudinal positioning column, wherein the longitudinal motor is arranged at the bottom of the bearing support plate, and the output shaft extends upwards through the bearing support plate; the longitudinal transmission belt is arranged between the bearing support plate and the bearing top plate along the longitudinal direction, one end of the longitudinal transmission belt is sleeved on an output shaft of the longitudinal motor, and the other end of the longitudinal transmission belt is sleeved on a tensioning roller arranged on the bearing support plate and is driven by the longitudinal motor to move along the transverse direction; the two longitudinal connecting seats are respectively connected with two side edges of the longitudinal driving belt, extend upwards to the upper part of the bearing top plate through the longitudinal sliding groove, and are mutually close to or far away from each other along with the movement of the longitudinal driving belt; the two longitudinal sliding seats are connected and fixed with the two longitudinal connecting seats respectively and move along with the longitudinal connecting seats; at least two longitudinal positioning columns are arranged on the longitudinal sliding seat at intervals along the transverse direction, and move along with the longitudinal sliding seat so as to clamp the limit glass rear cover from the longitudinal direction.

Preferably, the turnover mechanism comprises a turnover bracket, a turnover lifting cylinder, a turnover supporting strip, a turnover supporting block and a turnover suction nozzle, wherein the turnover bracket is vertically arranged at the rear end of the feeding table; the turnover lifting cylinder is vertically arranged on the turnover bracket, and the output end of the turnover lifting cylinder is upwards arranged; the turnover cylinder is arranged at the output end of the turnover lifting cylinder and driven by the turnover lifting cylinder to move up and down; the output end of the overturning cylinder is arranged towards the upper material table; the overturning branch strip is connected to the output end of the overturning cylinder, is driven by the overturning cylinder to rotate, is internally provided with an air channel, is provided with a connecting air tap, is connected with the internal air channel of the overturning branch strip, and is externally connected with the vacuum generator; the overturning supporting blocks comprise at least two overturning supporting blocks, and the at least two overturning supporting blocks are arranged on the overturning supporting strips at intervals and are used for bearing the glass rear cover; the turnover suction nozzles comprise at least two turnover suction nozzles which are arranged on the turnover support strip at intervals and are communicated with an air passage in the turnover support strip, and the glass rear cover is adsorbed and fixed by vacuum negative pressure; when the bearing and positioning assembly moves towards the direction of the turnover mechanism, the turnover supporting strip stretches into the U-shaped material taking groove of the U-shaped bearing block along the front-back direction, the glass rear cover is jacked from the lower part, the glass rear cover is taken out from the bearing and positioning assembly after being adsorbed and fixed by the turnover suction nozzle, and the glass rear cover is driven to turn over by 180 degrees and then is replaced on the bearing and positioning assembly.

Preferably, the film tearing mechanism comprises a film tearing support, a film tearing linear module, a film tearing lifting module, a film tearing head and a waste box, wherein the film tearing support is vertically arranged on the machine table and positioned at the side part of the feeding table; the film tearing linear module is arranged on the film tearing support and extends above the feeding table along the direction perpendicular to the feeding table; the film tearing lifting module is vertically connected to the film tearing linear module and is connected with the output end of the film tearing linear module; the film tearing head is arranged at the output end of the film tearing lifting module, is driven by the film tearing lifting module to lift and move, and is used for tearing off the protective film on the surface of the glass rear cover; the waste box is arranged at the side part of the film tearing support, and an opening of the waste box faces upwards and is used for collecting the torn protective film; the film tearing head comprises a film tearing support plate, a film tearing rotating motor, a film tearing rotating seat, a film clamping cylinder, a film clamping block, a film blowing support plate and a film blowing air tap, wherein the film tearing support plate is connected to the output end of the film tearing lifting module; the film tearing rotary motor is horizontally arranged on the rear side wall of the film tearing support plate, and the output end penetrates through the film tearing support plate to extend the front side of the film tearing support plate; the film tearing rotary seat is vertically connected to the output end of the film tearing rotary motor and is driven by the film tearing rotary motor to rotate; the film clamping cylinder is arranged on the film tearing rotary seat, and the output end of the film clamping cylinder is obliquely downwards arranged; the film clamping block is connected to the output end of the film clamping cylinder and is driven by the film clamping cylinder to clamp or loosen the protective film; the film blowing support plate is arranged on the film clamping cylinder and extends obliquely downwards to the side part of the film clamping block; the film blowing air tap is arranged on the side wall of the film blowing support plate and is arranged towards the direction of the film clamping block, and is used for blowing high-pressure gas to the joint of the glass rear cover and the protective film during film tearing so as to assist film tearing.

Preferably, the feeding part comprises a material box assembly and a carrying mechanism, wherein the material box assembly comprises a material box and a material tray carrying arm, the material box comprises two material boxes, the two material boxes are arranged on the machine table in parallel at intervals, at least two material trays are stacked in the material box at intervals up and down, at least two camera frames are arranged in the material trays, and the vertically stacked material trays move upwards to be used for taking out the camera frames; the conveying mechanism is erected between the two material boxes and is used for conveying the material trays between the two material boxes; the material box comprises a material box base, a feeding assembly, a tray assembly and a correcting assembly, wherein the material box base is horizontally arranged, and a material box bracket is arranged at the rear side of the material box base; the material box base is provided with at least two limit posts which extend vertically upwards and are used for limiting the material tray; the feeding assembly is arranged above the material box base, at least two material trays are stacked on the feeding assembly, and the feeding assembly drives the material box to move up and down along the vertical direction; the tray assembly is arranged at the front side above one material box, and is used for being inserted between the stacked material trays on the feeding assembly and upwards supporting the uppermost material tray; the correction component is arranged above one material box and is used for positioning the lifted material tray.

Preferably, the pre-assembly platform and the pre-assembly mechanism, wherein the pre-assembly platform comprises at least two pre-assembly platforms which are arranged on the machine platform in parallel at intervals and output power along the front-rear direction; the feeding part moves the camera frame to the pre-assembly platform, the transfer mechanism moves the glass rear cover on the feeding platform to the pre-assembly platform, and the camera frame and the glass rear cover are mutually assembled; the pre-assembly mechanism is erected above at least two pre-assembly platforms, the pre-assembly platforms drive the glass rear cover and the camera frame to move to the pre-assembly mechanism, and the pre-assembly mechanism is used for pressing and assembling the camera frame and the glass rear cover; the pre-assembly platform comprises a platform module and an assembly support, wherein the platform module is horizontally arranged on the machine and outputs power along the front-back direction; the assembly support is arranged on the platform module and driven by the platform module to linearly move. The assembly support comprises a support bearing assembly, a cover plate positioning assembly and a camera frame bearing positioning assembly, wherein the support bearing assembly is arranged on the platform linear module, and a rectangular through groove which is vertically communicated is formed in the support bearing assembly; the upper cover of the rectangular through groove is provided with a supporting table cover plate, the supporting table cover plate is provided with a first installation groove which is sunken downwards, and the bottom plate of the first installation groove is sunken and is used for placing the glass rear cover; a second mounting groove which is vertically communicated is formed in the first mounting groove; the cover plate positioning assemblies comprise two groups, and the two groups of cover plate positioning assemblies are respectively arranged at two adjacent side edges of the rectangular through groove and are used for positioning the glass rear cover; the camera frame bearing and positioning assembly is arranged below the second mounting groove and penetrates into the second mounting groove upwards to be used for bearing and positioning the camera frame, a groove body side wall of the first mounting groove is provided with a horizontally outwards extending caulking groove, and the height of the caulking groove is larger than the thickness of the glass rear cover, so that the glass rear cover horizontally slides into the caulking groove when the glass rear cover is positioned by the cover plate positioning assembly; the vacuum suction grooves are arranged on the bottoms of the first mounting grooves and comprise at least two vacuum suction grooves, the at least two vacuum suction grooves are connected with each other vertically, are arranged on the bottoms of the first mounting grooves and are communicated with an air passage arranged inside the support cover plate, and are connected with an external vacuum generator through a vacuum connector externally connected with the support cover plate so as to downwards adsorb and fix a glass rear cover placed in the first mounting grooves through vacuum negative pressure.

Preferably, the supporting platform bearing assembly comprises a supporting platform base, a supporting platform frame and a supporting platform plate, wherein the supporting platform base is horizontally arranged; the support frame is erected on the support base and forms an installation space on the support base; the support table plate is horizontally arranged on the support table frame, and a rectangular through groove which penetrates up and down is formed in the support table plate; the cover plate positioning assembly is arranged on the support table plate and is positioned at the side edge of the rectangular through groove; the supporting table cover plate is horizontally arranged on the supporting table plate, the supporting table cover plate is provided with an upward concave empty avoiding groove corresponding to the cover plate positioning assembly so as to be arranged above the cover plate positioning assembly, and positioning grooves which are vertically communicated are formed in the adjacent two side edges of the first mounting groove of the supporting table cover plate so as to be convenient for the output end of the cover plate positioning assembly to be inserted into the rear positioning glass cover.

Preferably, the cover plate positioning assembly comprises a positioning cylinder and a positioning substrate, wherein the positioning cylinder is arranged on the support plate, and the output end of the positioning cylinder is horizontally arranged in the rectangular through groove; the positioning base plate is vertically connected to the output end of the positioning cylinder, penetrates through the positioning groove and extends to the position above the first mounting groove, and the positioning cylinder drives the positioning base plate to be close to or far away from the first mounting groove in the positioning groove so as to position the glass rear cover in the first mounting groove from the transverse direction and/or the longitudinal direction.

Preferably, the camera frame bearing and positioning assembly comprises a jacking cylinder, a jacking seat, a jacking plate, a bearing seat, a guide column and a positioning rod, wherein the jacking cylinder is arranged in the installation space, and the output end of the jacking cylinder is upwards arranged; the jacking seat is arranged at the output end of the jacking cylinder and driven by the jacking cylinder to move up and down; the jacking plate is horizontally arranged at the upper part of the jacking seat and moves up and down along with the jacking seat; the bearing seat is arranged on the jacking plate and positioned below the second mounting groove, a boss is arranged on the bearing seat and used for bearing the camera frame, and the boss moves upwards along with the jacking plate and penetrates through the second mounting groove; the two guide posts are arranged on two corresponding sides of the bearing seat at intervals and used for being upwards inserted into the bottom plate of the groove when the camera frame is jacked up to conduct guide limiting; the locating rods comprise at least two locating rods, the at least two locating rods are arranged at intervals on the periphery of the boss, and annular limiting grooves are formed in the outer wall of the upper end of each locating rod and used for locating the camera frame on the boss from the side.

Preferably, the pressure maintaining and discharging part comprises a transfer table, a discharging mechanism, a pressure maintaining platform, a pressure maintaining mechanism and a discharging table, wherein the transfer table is arranged below the left side of the transfer arm and is used for placing the attaching piece; the pressure maintaining platforms comprise at least one pressure maintaining platform and at least two pressure maintaining platforms which are arranged at the front side of the middle rotary table at intervals in parallel and linearly move along the left-right direction; the blanking tables are arranged at intervals on the front side part of the pressure maintaining platform; the pressure maintaining mechanism is erected above the at least two pressure maintaining platforms and is used for maintaining pressure of the attaching piece on the at least two pressure maintaining platforms; the blanking mechanism is erected above the middle rotary table, the at least two pressure maintaining platforms and the blanking table along the front-back direction and is used for moving the attaching piece from the middle rotary table to the pressure maintaining platforms and carrying the pressure maintaining piece after pressure maintaining from the pressure maintaining platforms to the blanking table.

The invention has the beneficial effects that:

The invention designs an automatic assembling machine for the rear cover of the glass and the rear cover of the camera, which is capable of realizing automatic cyclic feeding and blanking storage of the rear cover of the glass and the camera frame, effectively improving material transfer efficiency, realizing automatic film tearing and overturning of the rear cover of the glass before assembling, effectively improving the assembly yield by adopting an upper pressing assembly mode, having the functions of high-precision positioning of assembly, effectively improving assembly precision and reducing material position deviation.

The invention is applied to the field of automatic assembly of auxiliary materials of mobile phone cameras, and particularly aims to realize automatic assembly of a camera frame and a glass rear cover, the glass rear cover is attached with surface waterproof glue in a last station, the waterproof glue layer has the function of adhering and fixing the auxiliary materials on the glass rear cover, and the camera frame is adhered and fixed with the glass rear cover through the waterproof glue layer, so that the invention is actually used for assembling the camera frame on one side of the waterproof glue layer after the glass rear cover is attached. Based on waterproof glue film attached to the glass back cover, release film layer is attached to the surface of the glass back cover, so that the adhesive layer is exposed to facilitate subsequent assembly of the camera frame, and therefore the release film on the surface of the waterproof glue film is required to be torn off before assembly, and materials involved in the assembly process of the camera frame comprise the glass back cover and the camera frame. Based on the above assembly process requirements, the invention realizes the full-automatic assembly of the camera frame and the glass rear cover. Specifically, the invention integrally comprises a circulating feeding part, a film tearing transfer part, a feeding part, a preassembling part and a pressure maintaining and discharging part, wherein the circulating feeding part takes a material tray as a carrier, so that automatic feeding of a glass rear cover before assembly and automatic discharging of a pressure maintaining piece after assembly (an assembly of the glass rear cover and a camera frame after pressure maintaining) are realized; the film tearing transfer part is used for carrying the glass rear cover guided out by the circulating feeding part, tearing off the release film on the surface of the waterproof glue layer on the glass rear cover, and turning the glass rear cover 180 degrees after film tearing; the feeding part takes the material tray as a carrier, and realizes automatic feeding of the camera frame and circular feeding and collection of the material tray through two material boxes arranged in parallel at intervals; the preassembling part is used for taking the camera frame taken out by the feeding part, then taking the tearing film guided out by the tearing film transferring part and overturning the glass rear cover, so that the glass rear cover is pressed and assembled on the camera frame to form a fitting piece; the pressure-maintaining blanking part is used for bearing the laminating piece led out by the pre-assembly part, after the laminating piece is subjected to pressure maintaining, the laminating piece is led out to the blanking table, the pressure-maintaining piece is carried onto an empty trough position on the inner tray by a manipulator on the circulating feeding part again, so as to form a closed automatic circulating assembly path ring, until the glass back cover to be assembled is replaced by the pressure-maintaining piece after the assembly is completed in the tray on the circulating feeding part, and the tray is moved to the tray collecting station for automatic stacking, tray collecting and blanking.

Firstly, aiming at automatic feeding and storage of a camera glass rear cover, the invention designs a charging tray circulation feeding part which is used as an executing mechanism for the circulation feeding and automatic discharging storage of the camera glass rear cover, wherein the charging tray circulation feeding part takes a feeding support which is arranged in a straight line as a bearing structure, a discharging station and a collecting station are arranged on the feeding support at intervals along the straight line direction, two conveying material belts which are used for linearly conveying the charging tray and are arranged in parallel at intervals are respectively arranged at the three stations, the two conveying material belts are tensioned by a tensioning wheel, the tensioning wheels at the two ends of the conveying material belts are connected by a transmission shaft, the power output by a motor can be transmitted to a transmission shaft through a transmission belt so as to drive the transmission shaft to drive the tensioning wheel to rotate, and the two conveying material belts are driven to synchronously and linearly move when the tensioning wheel rotates, so that the linear conveying material tray is realized, the discharging tray mechanism and the collecting mechanism are respectively arranged at the three stations, and the tray mechanism are respectively provided with a horizontal carrying plate and a horizontal carrying plate, the horizontal carrying plate and the horizontal carrying plate arranged between the two conveying material belts at the front side and the rear side of the two conveying material belts are respectively arranged at intervals, the horizontal carrying plates are driven by a horizontal lifting block and the horizontal lifting and the horizontal carrying plate is driven to move by a supporting plate through a cylinder; when the trays are required to be placed, the horizontal carrier plate is propped against the stacked trays, the trays are pulled out outwards, the horizontal carrier plate drives the trays to descend by the thickness of one tray, the two trays are horizontally inserted above the bottommost tray, the bottommost tray is separated, the trays above the trays are supported again, the horizontal carrier plate drives the bottommost tray to continuously descend and be placed on a conveying belt, the trays are linearly conveyed to a material taking station through the conveying belt, the material taking carrier mechanism blocks and lifts the supporting trays, the material taking carrier mechanism can comprise a blocking block arranged in the two conveying belts and driven up and down through a cylinder and a horizontal layer arranged between the two conveying belts, the horizontal carrier plate drives the lifting motion through the cylinder so as to bear and prop up the blocked cylinder upwards, the conveying belt in the linear motion is convenient for a manipulator to take the glass cover in the tray, and the glass cover is lifted off after the manipulator takes the glass cover; when the glass rear cover to be assembled in the material tray is taken out, and the assembled pressure maintaining piece is fully assembled, the material taking and carrying mechanism is used for placing the material tray on a material conveying belt again, the material conveying belt is used for conveying the material tray to a material collecting station, and the material tray filled with the attached camera glass rear cover is stacked on a supporting plate one by one from bottom to top in the opposite direction of the material tray discharging mechanism; the material tray is used as a carrier, and the material tray is used for circularly discharging, blocking and lifting, taking and discharging, collecting and discharging, so that batch, automatic circular feeding and discharging storage of the rear cover of the camera glass are realized, the feeding efficiency of the rear cover of the camera glass is effectively improved, and the feeding continuity is ensured; the feeding support is also provided with a manipulator which completes the feeding and discharging transfer and conveying functions, and the glass rear cover is taken out from the tray at the material taking station and conveyed to the feeding table of the film tearing transfer part during feeding; and during blanking, carrying the pressure maintaining piece from a blanking table of the pressure maintaining blanking part to a material tray at the material taking station for storage.

Secondly, the film tearing transfer part is applied to a film tearing, angle overturning and transfer transportation section on the surface of the glass rear cover of the front section assembled by the glass rear cover and the camera frame, and particularly, the film tearing off method is used for tearing off the release film on the surface of the pre-attached waterproof adhesive layer on the glass rear cover. In the subsequent assembly process, the camera frame is firstly placed on the assembly platform, then the waterproof adhesive layer of the glass rear cover downwards covers the camera frame, and the camera frame is adhered and fixed on the surface of the glass rear cover by utilizing the waterproof adhesive layer; and the waterproof adhesive layer of the glass rear cover faces upwards in the feeding process of the front section. Based on the difference of the assembly process, the technical problem solved by the transfer part of the tearing film is that the release film on the surface of the upward waterproof adhesive layer is firstly torn off after the glass is picked up, then the glass rear cover is turned over by 180 degrees to enable the waterproof adhesive layer to face downwards, and then transfer transportation is carried out, so that the subsequent assembly is facilitated. Specifically, the dyestripping transfer part wholly includes the material loading platform, tilting mechanism and dyestripping mechanism, wherein the material loading platform includes the material loading module and bears the locating component, the material loading module drive bears the locating component and makes a round trip rectilinear motion below tilting mechanism and outside manipulator, the dyestripping mechanism has been erect above the material loading module, bear the locating component and draw behind the glass back lid of waiting to tear the membrane in the manipulator below, it removes to the dyestripping mechanism below to drive glass back lid, the dyestripping mechanism tears the back with the glass back lid surface from the membrane, continue to drive glass back lid and remove to tilting mechanism department, tilting mechanism adsorbs behind the fixed glass back lid and drives glass back lid after the upset 180, place the glass back lid after the upset again on bearing the locating component, bear the locating component and drive behind the glass back lid after the dyestripping and the upset reverse movement to the manipulator below through the material loading module drive, for the manipulator carries the glass back lid and carries out subsequent equipment. The film tearing transfer part realizes automatic film tearing, overturning and transfer transportation before assembling the glass rear cover and the camera frame, realizes multi-action efficient connection of glass rear cover transfer transportation, film tearing, overturning and blanking, and effectively improves material operation and film tearing efficiency.

The pre-assembling part comprises a plurality of groups of horizontally arranged assembling platforms and a pre-assembling mechanism arranged above the plurality of groups of assembling platforms, wherein the plurality of groups of assembling platforms move back and forth in a straight line direction so as to be convenient for taking a camera frame at a carrying mechanism, taking a glass rear cover at a transferring mechanism and moving to the lower part of the pre-assembling mechanism, completing the automatic assembly of the glass rear cover and the camera frame, and driving assembled fitting parts to move to the lower part of a transferring carrying arm so as to be convenient for the transferring carrying arm to carry the fitting parts to a middle rotary table of a pressure maintaining blanking part; The assembly platform takes the assembly support platform as a bearing and positioning mechanism of the camera frame and the glass rear cover, the assembly support platform comprises a support platform bearing assembly, a cover plate positioning assembly and a camera frame bearing and positioning assembly, the support platform bearing assembly is a bearing structure which is formed by a support platform base arranged horizontally, a platform frame erected above the support platform base and a support platform plate arranged horizontally on the platform frame, the middle part of the support platform plate is provided with a rectangular through groove which is sunken downwards, two side edges of the rectangular through groove which are mutually perpendicular are respectively provided with the cover plate positioning assembly, and a positioning cylinder of the cover plate positioning assembly drives a positioning substrate to approach or separate from the rectangular through groove along the directions of two side edges of the rectangular through groove; A supporting table cover plate is horizontally covered above the cover plate positioning assembly, a first installation groove which is sunken downwards is formed in the supporting table cover plate and corresponds to the rectangular through groove, the first installation groove is used for placing and bearing the glass rear cover, a positioning groove which penetrates through up and down is formed in the first installation groove and corresponds to the cover plate positioning assembly, so that a positioning substrate extends into the first installation groove from a bottom plate which penetrates through the first installation groove, and the positioning substrate moves in the positioning groove so as to position the glass rear cover from two sides; In addition, a second mounting groove which is vertically penetrated is arranged at a position corresponding to the position of the camera frame to be assembled on the glass rear cover at one corner of the first mounting groove, a camera frame bearing and positioning component of the assembly support is correspondingly arranged below the second mounting groove, a lifting cylinder of the camera frame bearing and positioning component drives a lifting seat to drive a lifting plate arranged on the lifting seat to move upwards from bottom to top towards the direction of the second mounting groove, the lifting plate drives a bearing seat arranged on the lifting seat to move upwards, a boss is arranged on the bearing seat and used for placing and bearing the camera frame to be assembled, a guide post and a positioning rod are arranged at the periphery of the boss, the positioning rod is close to the side edge of the boss and used for forming a positioning edge line at the edge of the boss, in the process of placing the camera frame on the boss, the accuracy of the placement position of the camera frame is ensured from the outer side through the positioning rod so as to ensure the subsequent assembly precision; After the camera frame to be assembled is placed on the boss on the bearing seat from the second mounting groove in the assembly process, the positioning rod corrects the assembly position of the camera, the glass rear cover is placed in the first mounting groove from the upper part, the cover plate positioning assembly is used for positioning and correcting the position of the glass rear cover, the bearing seat below drives the camera to be close to the bottom surface assembly position of the glass rear cover from bottom to top, and the guide hole of the support cover plate is gradually inserted from bottom to top through the guide post in the lifting process of the bearing seat so as to guide and limit the camera frame, so that position deviation in the process of upward assembly of the camera frame is avoided, and the accuracy of the assembly position is ensured. Particularly, based on the assembly process, the glass back cover material is the material that is easy to be damaged by pressure, the assembly support changes the traditional downward-pressure type assembly mode (avoids that equipment or mechanism is invalid in transmission control, and the glass back cover is damaged because of self gravity effect is covered after smashing to the glass), and the upper top pressing assembly mode is adopted, so that the damage condition of the glass back cover in the assembly process can be effectively reduced, and the camera frame bearing and positioning assembly can be effectively integrated and arranged in the installation space of the support bearing assembly, and the beneficial effect of reducing the equipment installation space occupation rate is synchronously achieved. based on the above top pressing assembly mode, in the process of assembling the camera frame, the glass rear cover receives the assembly thrust from bottom to top, so that in order to ensure that the glass rear cover is not pushed away from the first mounting groove by the upward assembly thrust in the process of assembling, the first mounting groove of the assembly support is provided with a caulking groove extending horizontally outwards on the side wall of the groove body symmetrical to the cover plate positioning component, the height of the caulking groove is larger than the thickness of the glass rear cover, when the cover plate positioning component corrects and positions the glass rear cover placed in the first mounting groove, the glass rear cover is pushed into the caulking groove horizontally, the top plate of the caulking groove can also play a role of limiting the glass rear cover from above in the process of assembling when the correction and positioning of the glass rear cover are completed, Avoid it to leave first mounting groove because of receiving ascending equipment thrust, the condition of position deviation appears, the effectual lid position accuracy behind the glass of assurance in the assembly process.

Finally, the pressure-maintaining blanking part automatically transits and blanking the assembled or pressure-maintaining attaching piece or pressure-maintaining piece, so that the automatic connection degree among a plurality of stations such as material transit, bearing pressure maintaining, blanking and the like is effectively realized, and the automatic and accurate transit and transportation of the materials among different stations are improved, so that the processing efficiency is improved; meanwhile, in order to meet the requirement of the fine assembly of the camera frame, the positioning correction function in the horizontal plane is integrated while the pressure maintaining and bearing functions are realized, the high positioning precision pressure maintaining is realized, the pressure maintaining and assembling quality is improved, and the assembly defective products caused by the relative deviation of the material positions and the like are reduced. The pressure-maintaining blanking part integrally comprises a transit table, a blanking mechanism, a pressure-maintaining platform, a pressure-maintaining mechanism and a blanking table, wherein the transit table is used for bearing and receiving a laminating piece formed by preassembling a rear cover of a glass at a last station and a camera frame, the pressure-maintaining platform is used for longitudinally and transversely positioning the laminating piece after receiving the laminating piece conveyed from the transit table by the blanking mechanism, the pressure-maintaining mechanism is gradually close to and pressed on the laminating piece from the upper part and continuously maintains the pressing state for a certain time, the laminating piece is subjected to pressure maintaining, so that the assembly tightness and the adhesiveness between the rear cover of the glass and the camera frame are ensured, and the blanking table is used for bearing the pressure-maintaining laminating piece conveyed from the pressure-maintaining platform by the blanking mechanism, so that the blanking is taken out by an external manipulator. In addition, the pressure maintaining platform of pressure maintaining unloading part includes the multiunit, and multiunit pressure maintaining platform is used for bearing a plurality of laminating pieces to pressure maintaining mechanism carries out the pressurize to a plurality of laminating pieces simultaneously, in order to promote pressurize efficiency. In addition, the transfer table, the pressure maintaining platform and the blanking table of the pressure maintaining blanking part all have the function of back and forth linear motion in the front and back directions, so that the back and forth circular linear motion is realized at different positions in the transfer, pressure maintaining and blanking processes, automatic material receiving and feeding actions are completed, the material receiving and discharging efficiency is improved, and meanwhile, the motion interference in the material taking and discharging process is avoided.

Drawings

Fig. 1 is a schematic block diagram of the modular components of the present invention.

Fig. 2 is a schematic perspective view of the present invention.

FIG. 3 is a second perspective view of the present invention.

FIG. 4 is a third perspective view of the present invention.

FIG. 5 is a schematic perspective view of the present invention.

Fig. 6 is a schematic perspective view of the hidden component of the present invention.

FIG. 7 is a second perspective view of the hidden component of the present invention.

FIG. 8 is a third perspective view of the hidden component of the present invention.

Fig. 9 is a schematic perspective view of a manipulator according to the present invention.

FIG. 10 is a schematic diagram of a second perspective view of the manipulator of the present invention.

Fig. 11 is a schematic perspective view of a transfer portion of the tear film according to the present invention.

FIG. 12 is a schematic diagram showing a second perspective structure of a transfer portion of the tear film according to the present invention.

Fig. 13 is an enlarged schematic view of the structure at I in fig. 12.

Fig. 14 is a schematic perspective view of a film tearing mechanism according to the present invention.

FIG. 15 is a second perspective view of the film tearing mechanism of the present invention.

Fig. 16 is an enlarged schematic view of the structure at II in fig. 15.

Fig. 17 is a schematic perspective view of a loading table according to the present invention.

Fig. 18 is a schematic perspective view of a bearing and positioning assembly according to the present invention.

FIG. 19 is a schematic diagram showing a second perspective view of the load bearing assembly of the present invention.

FIG. 20 is a schematic perspective view of the feeding section of the present invention.

FIG. 21 is a second perspective view of the feed section of the present invention.

Fig. 22 is a schematic perspective view of a carrying mechanism according to the present invention.

FIG. 23 is a second perspective view of the carrying mechanism of the present invention.

FIG. 24 is a third perspective view of the transporting mechanism of the present invention.

Fig. 25 is a schematic perspective view of a carrier head according to the present invention.

FIG. 26 is a schematic diagram showing a second perspective view of the carrier head of the present invention.

Fig. 27 is a schematic perspective view of a cartridge according to the present invention.

FIG. 28 is a second perspective view of the cartridge of the present invention.

Fig. 29 is a third schematic perspective view of the cartridge of the present invention.

Fig. 30 is a schematic perspective view of a cartridge according to the present invention.

Fig. 31 is a schematic perspective view of a cartridge according to the present invention.

Fig. 32 is a schematic perspective view of the preassembled part of the present invention.

Fig. 33 is a schematic perspective view of a preassembly mechanism according to the present invention.

Fig. 34 is a schematic perspective view of an assembled stand according to the present invention.

FIG. 35 is a second perspective view of the assembled stand of the present invention.

FIG. 36 is a schematic view showing a three-dimensional structure of the hidden member of the support platform according to the present invention.

FIG. 37 is a second perspective view of the hidden part of the stand according to the present invention.

Fig. 38 is an enlarged schematic view of the structure at I in fig. 34.

FIG. 39 is a schematic perspective view of a transfer arm according to the present invention.

FIG. 40 is a schematic diagram showing a second perspective view of the transfer arm of the present invention.

Fig. 41 is a schematic perspective view of the blanking portion of the present invention.

FIG. 42 is a schematic view showing a structure of a component of the pressure retention blanking portion of the present invention.

FIG. 43 is a second schematic view of the structure of the components of the pressure retention blanking portion of the present invention.

Fig. 44 is a schematic perspective view of a turntable according to the present invention.

FIG. 45 is a schematic diagram showing a second perspective view of the turntable according to the present invention.

Fig. 46 is a schematic perspective view of a blanking mechanism of the present invention.

FIG. 47 is a schematic diagram showing a second perspective structure of the blanking mechanism of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

As shown in fig. 1 to 8, the technical scheme adopted by the invention is as follows: the automatic assembling machine for the camera frame and the glass rear cover comprises a machine table 1 which is horizontally arranged, and further comprises a circulating feeding part 2, a film tearing transfer part, a feeding part, a preassembling part and a pressure maintaining discharging part which are arranged on the machine table 1, wherein the circulating feeding part 2 is horizontally arranged along a linear direction and outputs linear power for driving a material tray for loading the glass rear cover to move so as to finish the material tray discharging, material taking and loading and material receiving; the film tearing transfer part is arranged at the side part of the circulating feeding part 2 and is used for bearing the glass rear cover moved out of the material tray and tearing off the protective film on the surface of the glass rear cover; the feeding part is arranged at one side of the transfer part of the tearing film at intervals; the pre-assembly part is arranged between the feeding part and the film tearing transfer part, and a transfer mechanism 7 is arranged between the film tearing transfer part and the pre-assembly part and used for transferring the glass rear cover from the film tearing transfer part to the pre-assembly part; the feeding part comprises at least two material boxes, camera frames to be assembled are arranged in the material boxes, the camera frames are jacked upwards and output and then are conveyed into the pre-assembling part, and the camera frames and the glass rear cover are assembled to form a fitting piece; the pressure-maintaining blanking part is arranged at the other side of the film tearing transfer part at intervals, a transfer carrying arm 12 is arranged between the pressure-maintaining blanking part and the preassembly part, the transfer carrying arm 12 moves the attaching piece in the preassembly part into the pressure-maintaining blanking part, the pressure is maintained by the pressure-maintaining blanking part, a pressure-maintaining piece is formed, and the pressure-maintaining piece is circularly transported into a material tray of the circular feeding part.

Example 1

As shown in fig. 1 and 8, as an embodiment of the present invention, the circulating loading portion 2 of the present embodiment includes a feeding frame 21, a conveying belt 22, a tray discharging mechanism 23, a material taking and loading mechanism 24, and a tray collecting mechanism 25; the feeding machine frame 21 is horizontally arranged, three groups of conveying material belts 22 are arranged on the feeding machine frame 21 at intervals along the linear direction, and a tray discharging station, a material taking station and a tray collecting station are sequentially arranged at the three groups of conveying material belts 22 respectively; the tray discharging mechanism 23, the material taking and carrying mechanism 24 and the tray collecting mechanism 25 are respectively and correspondingly arranged at a tray discharging station, a material taking station and a tray collecting station; at least two trays for loading the rear cover of the glass are stacked up and down in the tray placing mechanism 23, the tray placing mechanism 23 supports the trays through a horizontal carrier plate with the middle part capable of lifting, and the trays at the lowest layer are separated onto the conveying belt 22 through supporting plates which can be horizontally inserted and pulled out from front to back at two sides above the horizontal carrier plate to be placed one by one; the material taking and carrying mechanism 24 blocks and positions the material tray discharged by the tray discharging mechanism 23 so as to take and place the rear cover of the glass in the material tray; the receiving disc mechanism 25 receives and blocks the rear cover of the camera glass after being loaded and processed at the material taking station, and then the material disc is jacked on the horizontal carrier plate with the lifting middle part so as to separate from the material conveying belt 22, and then the material disc is supported by the supporting plates at the two sides above the horizontal carrier plate; the feeding support 21 is further provided with a manipulator 3 for taking out the glass rear cover from the material tray at the material taking station, and retrieving the pressure maintaining piece from the pressure maintaining blanking part to be placed in the material tray at the material taking station.

Example 2

As shown in fig. 9 and 10, as an embodiment of the present invention, a manipulator 3is provided on a feeding frame 21 of the circulation feeding portion 2, where the manipulator 3 has a plurality of degrees of freedom of movement, and is used for conveying a glass back cover to be assembled in the circulation feeding portion 2 to a film tearing transfer portion, and simultaneously conveying a pressure maintaining member after the assembly in the pressure maintaining and blanking portion to a tray in the circulation feeding portion 2 again, so as to realize circulation feeding and discharging; the manipulator 3 comprises a manipulator support 31, a first moving arm 32, a second moving arm 33, a third moving arm 34, a rotating shaft 35, a rotating support 36 and a material taking and discharging suction nozzle 37; the manipulator support 31 is arranged on the feeding support 21, the first moving arm 32 is arranged on the manipulator support 31, and the output end of the first moving arm is upward arranged and outputs rotary power in a horizontal plane; one end of the second moving arm 33 is connected to the output end of the first moving arm 32, the other end extends horizontally, and an upward output shaft is provided at the end for driving one end of the third moving arm 34 connected thereto to move rotationally in a horizontal plane, the other end of the third moving arm 34 extends horizontally, a rotating shaft 35 is connected to the lower portion thereof, and the rotating shaft 35 is driven to move rotationally; the rotary support 36 is horizontally arranged at the bottom of the rotary shaft 35 and moves rotationally with the rotary shaft 35; the material taking and placing suction nozzles 37 comprise a plurality of material taking and placing suction nozzles 37 which are arranged on the rotary support 36 and are used for vacuum negative pressure absorption and fixing of the glass rear cover or the pressure maintaining piece.

Example 3

As shown in fig. 11 to 19, as an embodiment of the present invention, the film tearing transfer portion of the present embodiment includes a feeding table 4, a turnover mechanism 5 and a film tearing mechanism 6, where the feeding table 4 moves linearly back and forth along the front-back direction, and is used for carrying and driving the glass back cover to move; the film tearing mechanism 5 is erected above the feeding table 4 and is used for tearing off the protective film covered on the rear glass cover; the turnover mechanism 5 is arranged at the rear end of the loading table 4 and is used for sucking the glass rear cover of the loading table 4, turning the glass rear cover 180 degrees and then placing the glass rear cover on the loading table 4 again, the loading table 4 drives the glass rear cover after film tearing to move to the lower part of the transfer mechanism 7, and the glass rear cover is moved to the preassembly part through the transfer mechanism 7.

As shown in fig. 17, the loading table 4 includes a loading module 41 and a bearing and positioning assembly 42; the feeding module 41 is arranged on the machine 1 in a straight line along the front-back direction, and outputs straight power along the front-back direction; the bearing and positioning assembly 42 is arranged on the feeding module 41 and is driven by the feeding module 41 to linearly move back and forth; the bearing and positioning assembly comprises a bearing component, a sliding rail 426, a U-shaped bearing block 427, a transverse positioning component and a longitudinal positioning component; the bearing component is arranged on the feeding module 41, and comprises at least two bearing layers along the vertical direction; the sliding rails 426 include two groups, and the two groups of sliding rails 426 are respectively arranged on the bearing component along the transverse direction and the longitudinal direction; the U-shaped bearing block 427 is disposed on the bearing member along the longitudinal direction and forms a bearing surface extending along the longitudinal direction, the bearing surface is provided with an inwardly concave strip air groove, the strip air groove is connected with an external vacuum generator for negative pressure adsorption, and a glass rear cover is disposed on the bearing surface; a U-shaped material taking groove which is sunken downwards is arranged in the bearing surface; the transverse positioning component and the longitudinal positioning component are arranged on the bearing component and clamp and position the glass rear cover on the bearing surface along the transverse direction and the longitudinal direction respectively.

As shown in fig. 18 to 19, the bearing component includes a bearing positioning assembly 42 including a bearing bottom plate 421, a first supporting post 422, a bearing supporting plate 423, a second supporting post 424, and a bearing top plate 425, where the bearing bottom plate 421, the bearing supporting plate 423, and the bearing top plate 425 are arranged at intervals from bottom to top along a vertical direction; the first support posts 422 include at least two first support posts 422 vertically disposed on the load-bearing bottom plate 421 for supporting the load-bearing support plates 423; the second struts 424 include at least two second struts 424, and the at least two second struts 424 are vertically disposed on the bearing support plate 423 and are used for supporting the bearing top plate 425; the sliding rail 426 and the U-shaped bearing block 427 are disposed on the bearing top plate 425; the top carrier 425 is provided with a transverse chute a and a longitudinal chute b along the longitudinal direction and the transverse direction, respectively.

The transverse positioning component comprises a transverse motor 428, a transverse driving belt 429, a transverse connecting seat 4210, a transverse sliding seat 4211 and a transverse positioning column 4212, wherein the transverse motor 428 is arranged at the bottom of the bearing support plate 423, and an output shaft extends upwards through the bearing support plate 423; the transverse driving belt 429 is arranged between the bearing support plate 423 and the bearing top plate 425 along the transverse direction, one end of the transverse driving belt 429 is sleeved on the output shaft of the transverse motor 428, and the other end is sleeved on a tensioning roller arranged on the bearing support plate 423 and is driven by the transverse motor 428 to move along the transverse direction; the two lateral connecting seats 4210 comprise two lateral connecting seats 4210, wherein the two lateral connecting seats 4210 are respectively connected with two lateral edges of the lateral driving belt 429, extend upwards to above the bearing top plate 425 through the lateral sliding groove a, and are mutually close to or far away from each other along with the movement of the lateral driving belt 429; the two lateral sliding carriages 4211 comprise two lateral sliding carriages 4211 which are respectively slidably embedded on two sliding rails 426 arranged along the lateral direction, are positioned at the left side and the right side of the U-shaped bearing block 427, are respectively connected and fixed with two lateral connecting seats 4210, and are driven by the lateral connecting seats 4210; at least two lateral positioning columns 4212 are arranged on the lateral sliding seat 4211 at intervals along the longitudinal direction, and the lateral positioning columns 4212 move along with the lateral sliding seat 4211 so as to clamp the limit glass rear cover from the lateral direction.

The longitudinal positioning component comprises a longitudinal motor 4213, a longitudinal driving belt 4214, a longitudinal connecting seat 4215, a longitudinal sliding seat and a longitudinal positioning column 4217, wherein the longitudinal motor 4213 is arranged at the bottom of the bearing support plate 423, and an output shaft extends upwards through the bearing support plate 423; the longitudinal driving belt 4214 is disposed between the bearing support plate 423 and the bearing top plate 425 along the longitudinal direction, one end of the longitudinal driving belt 4214 is sleeved on the output shaft of the longitudinal motor 4213, and the other end is sleeved on the tensioning roller disposed on the bearing support plate 423, and is driven by the longitudinal motor 4213 to move along the transverse direction; the two longitudinal connecting seats 4215 include two longitudinal connecting seats 4215, which are respectively connected to two sides of the longitudinal driving belt 4214, and extend upwards through the longitudinal sliding groove b to above the top bearing plate 425, and move towards or away from each other along with the movement of the longitudinal driving belt 4214; the two longitudinal sliding seats are slidably connected to the side walls of the bearing top plate 425, are located on the front side and the rear side of the U-shaped bearing block 427, are respectively connected and fixed with the two longitudinal connecting seats 4215, and move along with the longitudinal connecting seats 4215; at least two longitudinal positioning columns 4216 are arranged on the longitudinal sliding seat at intervals along the transverse direction, and the longitudinal positioning columns 4216 move along with the longitudinal sliding seat so as to clamp the limit glass rear cover from the longitudinal direction.

The bearing and positioning assembly 42 of this embodiment is used for receiving and bearing the glass back cover, the bearing and positioning assembly 42 forms an integral bearing structure through a bearing bottom plate 421, a bearing support plate 423 and a bearing top plate 425 which are arranged at three layers at intervals along the vertical direction, the bearing structure comprises two bearing layers at two sides, the top of the bearing top plate 425 is respectively provided with two groups of sliding rails extending along the longitudinal direction and the transverse direction, the side parts of the two groups of sliding rails are respectively provided with a transverse sliding groove a and a longitudinal sliding groove b along the transverse direction and the longitudinal direction, the lower part of the bearing top plate 425 is respectively provided with a transverse motor 428 and a longitudinal motor 4213, the power output by the transverse motor 428 and the longitudinal motor 4213 respectively drives a tensioned transverse driving belt 429 and a longitudinal driving belt 4214 to respectively move along the transverse direction and the longitudinal direction in a straight line, by utilizing the principle that the movement directions of the transverse driving belt 429 and the longitudinal driving belt 4214 are opposite in the movement process, the transverse connecting seat 4210 and the longitudinal connecting seat 4215 are respectively connected to the two side belt bodies, the two connecting seats respectively extend upwards to the upper part of the bearing top plate 425 through the transverse sliding groove a and the longitudinal sliding groove b, and respectively drive the two transverse sliding seats 4211 and the longitudinal sliding seats embedded on the sliding rail to mutually approach or separate along the transverse direction and the longitudinal direction, so that the glass rear cover arranged on the U-shaped bearing block 427 is positioned from the transverse direction and the longitudinal direction through the transverse positioning column 4212 and the longitudinal positioning column 4216 arranged on the glass rear cover. In addition, the U-shaped bearing block 427 is arranged on the bearing top plate 425 in a suspended manner along the longitudinal direction, and is located above the sliding rail 426 arranged along the longitudinal direction, and a gap space is left between the U-shaped bearing block 427 and the sliding rail 426, so that when the longitudinal sliding seat is positioned and slides, the U-shaped bearing block can slide in the gap space, and movement interference is avoided; the middle part of U type carrier block 427 is equipped with the U type of undercut and gets the silo, the top both sides of U type is got the silo are equipped with the bearing surface that the level outwards extends, the end below of the bearing surface of both sides is through propping up the unsettled support of piece, the setting is got the bearing surface of trough both sides and is used for bearing and place the glass back lid, and set up the strip air tank on the bearing surface, after the glass back lid of placing on the bearing surface accomplishes the location correction, the bearing surface is through the vacuum negative pressure downward adsorption fixed glass back lid that strip air tank produced, simultaneously, adopt the structural design of U type to get the silo, when guaranteeing to bear the glass back lid function unchangeable, U type is got the trough and is convenient for tilting mechanism 5 to insert, in order to adsorb fixedly after follow glass back lid below, lift the glass back lid and leave the bearing surface, so as to overturn the action.

As shown in fig. 13, the turnover mechanism 5 of the present invention comprises a turnover bracket 51, a turnover lifting cylinder 52, a turnover cylinder 53, a turnover support bar 54, a turnover support block 55 and a turnover suction nozzle 56, wherein the turnover bracket 51 is vertically arranged at the rear end of the loading table 4; the turnover lifting cylinder 52 is vertically arranged on the turnover bracket 51, and the output end of the turnover lifting cylinder is upwards arranged; the turnover cylinder 53 is arranged on the output end of the turnover lifting cylinder 52, and is driven by the turnover lifting cylinder 52 to move up and down; the output end of the overturning cylinder 53 is arranged towards the upper material table 4; the overturning branch 54 is connected to the output end of the overturning cylinder 53, is driven by the overturning cylinder 53 to rotate, and is internally provided with an air passage, the overturning branch 54 is provided with a connecting air tap, and the connecting air tap is connected with the internal air passage of the overturning branch 54 and is externally connected with a vacuum generator; the overturning supporting blocks 55 comprise at least two overturning supporting blocks 55, and the at least two overturning supporting blocks 55 are arranged on the overturning supporting strip 54 at intervals and are used for bearing the glass rear cover; the turnover suction nozzles 56 comprise at least two turnover suction nozzles 56, and the at least two turnover suction nozzles 56 are arranged on the turnover support strip 54 at intervals and are communicated with the air path inside the turnover support strip 54 so as to adsorb and fix the glass rear cover by vacuum negative pressure; when the bearing and positioning assembly 42 moves towards the direction of the turnover mechanism 5, the turnover support bars 54 extend into the U-shaped material taking grooves of the U-shaped bearing blocks 427 along the front-back direction, the glass rear cover is jacked from the lower part, the glass rear cover is taken out from the bearing and positioning assembly 42 after being adsorbed and fixed by the turnover suction nozzles 56, and the glass rear cover is driven to turn 180 degrees and then is replaced on the bearing and positioning assembly 42.

Compared with the traditional material taking mechanism, the turnover supporting strip 54 with the strip-shaped structure is adopted as a material taking executing component, the turnover supporting strip 54 with the strip-shaped structure can be quickly and conveniently inserted into a U-shaped material taking groove of the U-shaped bearing block 427 of the bearing and positioning component 42, meanwhile, the turnover suction nozzles 56 distributed on the turnover supporting strip 54 along the linear direction are used for absorbing and fixing the glass rear cover placed on the U-shaped bearing block 427 from the lower part in the U-shaped material taking groove, and the upward power is output by the turnover lifting cylinder 52 to drive the glass rear cover to rise to a certain height (avoid the interference with the movement of the U-shaped bearing block 427 below during turnover), and the power output by the turnover cylinder 53 drives the glass rear cover to rotate 180 degrees, so that the waterproof glue layer on the top surface of the glass rear cover is rotated to the bottom surface, and then the glass rear cover is lowered to be placed on the U-shaped bearing block 427 again; the plug-in material taking mode can achieve rapid and efficient glass back cover taking and placing, meanwhile solves the problem of motion interference in the material taking process, and achieves accurate glass back cover taking and placing.

As shown in fig. 14 to 15, the film tearing mechanism 6 comprises a film tearing support 61, a film tearing linear module 62, a film tearing lifting module 63, a film tearing head 64 and a waste box 65, wherein the film tearing support 61 is vertically arranged on the machine table 1 and is positioned at the side part of the feeding table 4; the film tearing linear module 62 is arranged on the film tearing support 61 and extends above the feeding table 4 along the direction perpendicular to the feeding table 4; the film tearing lifting module 63 is vertically connected to the film tearing linear module 62 and is connected with the output end of the film tearing linear module 62; the film tearing head 64 is arranged at the output end of the film tearing lifting module 63, is driven by the film tearing lifting module 63 to lift and move, and is used for tearing off the protective film on the surface of the glass rear cover; the waste box 65 is arranged at the side part of the film tearing support 61, and an opening is upward for collecting torn protective films.

As shown in fig. 14 to 16, the film tearing head 64 includes a film tearing support plate 641, a film tearing rotating motor 642, a film tearing rotating seat 643, a film clamping cylinder 644, a film clamping block 645, a film blowing support plate 646 and a film blowing nozzle 647, wherein the film tearing support plate 641 is connected to the output end of the film tearing lifting module 63; the film tearing rotary motor 642 is horizontally arranged on the rear side wall of the film tearing support plate 641, and the output end passes through the film tearing support plate 641 to extend the front side of the film tearing support plate 641; the film tearing rotary seat 643 is vertically connected to the output end of the film tearing rotary motor 642 and is driven by the film tearing rotary motor 642 to rotate; the film clamping cylinder 644 is arranged on the film tearing rotary seat 642, and the output end of the film clamping cylinder is obliquely downwards arranged; the film clamping block 645 is connected to the output end of the film clamping cylinder 644, and is driven by the film clamping cylinder 644 to clamp or unclamp the protective film; the film blowing support plate 646 is arranged on the film clamping cylinder 644 and extends obliquely downwards to the side part of the film clamping block 645; the film blowing nozzle 647 is disposed on a side wall of the film blowing support plate 646 and is disposed towards the film clamping block 645, and is used for blowing high-pressure gas to the junction between the glass rear cover and the protective film during film tearing, so as to assist film tearing.

The dyestripping head 64 of this embodiment is provided with the inflation film manufacturing air cock 647 in the lateral part that the mechanism was compared in traditional dyestripping in the clamp membrane piece 646 utilizes to connect the inflation film manufacturing extension board 646 on clamp membrane cylinder 644 lateral wall to connect, blows off high-pressure gas to the waterproof glue film and from the clearance space between the type membrane through inflation film manufacturing air cock 647 in the dyestripping in-process, has realized will blow off the waterproof glue film surface from the border of type membrane before the dyestripping to clamp membrane piece 645 high-efficient accurate clamp is blown off the type membrane, supplementary has promoted dyestripping efficiency, and can effectively avoid clamp membrane piece 646 support to press from both sides from the condition of damaging the glass back lid of type membrane in-process appearance below from waterproof glue film surface, reduces the dyestripping bad material rate.

Example 4

As shown in fig. 20 to 21, as an embodiment of the present invention, the feeding portion of the present embodiment includes a magazine assembly 8 and a handling mechanism 9, wherein the magazine assembly 8 includes a magazine 81 and a tray handling arm 82, the magazine 81 includes two, two magazines 81 are arranged on the machine table 1 in parallel and spaced apart, at least two trays are stacked in the magazine 81 in a vertically spaced apart manner, at least two camera frames are arranged in the trays, and the trays stacked up and down move upward to take out the camera frames; the handling mechanism 9 is arranged between the two cartridges 81 for transferring trays between the two cartridges 81.

As shown in fig. 27 to 31, the cartridge 81 includes a cartridge base 811, a feeding assembly, a tray assembly, and a correction assembly, wherein the cartridge base 811 is horizontally disposed, and a cartridge holder 814 is provided at a rear side of the cartridge base 811; the material box base 811 is provided with at least two limit posts 816, and the at least two limit posts 816 extend vertically upwards and are used for limiting the material tray; the feeding assembly is arranged above the material box base 811, at least two material trays are stacked on the feeding assembly, and the feeding assembly drives the material box to move up and down along the vertical direction; the tray assembly is arranged on the upper front side of one material box 81, and is used for being inserted between the stacked material trays on the feeding assembly and upwards supporting the uppermost material tray; the correction assembly is disposed above a magazine 81 for positioning the lifted trays.

The feeding assembly comprises a feeding motor 812, a feeding screw 813, a guide rod 816 and a feeding support plate 815, wherein the feeding motor 812 is arranged at the lower part of the material box base 811, and the output end of the feeding motor is upwards arranged; the lower end of the feeding screw 813 is connected to the output end of the feeding motor 812, and the upper end of the feeding screw 813 is rotatably connected to the material box bracket 814; the two guide rods 816 are vertically arranged in the material box bracket 814, and are respectively arranged at two sides of the feeding screw 813; the feeding support plate 815 is horizontally arranged above the material box base 811, is slidably sleeved on the two guide rods 816, is in threaded connection with the feeding screw 813, and drives the feeding support plate 815 to drive the material trays stacked on the feeding support plate 815 to move up and down when the feeding motor 812 drives the feeding screw 813 to rotate.

The tray components comprise two groups, and the two groups of tray components are arranged on the left side and the right side of one material box 81; the tray assembly comprises a tray support 819, a tray inserting cylinder 8110, a tray inserting support plate 8111 and a supporting plate 8112, wherein the tray support 819 is vertically arranged at the side part of the material box base 811 and vertically extends upwards; the tray inserting cylinder 8110 is horizontally arranged on the side wall of the tray support 819, and the output end is arranged towards the front side; the tray inserting bracket 8111 is vertically connected to the output end of the tray inserting cylinder 8110 and vertically extends upwards; the supporting plate 8112 is horizontally connected to the side wall of the tray inserting support plate 8111, and the tray inserting cylinder 8110 drives the supporting plate 8112 to move back and forth so as to be inserted into a gap of the stacking tray from the front side and lift the bearing tray; the correction assembly comprises a correction support plate 817 and a correction cylinder 818, wherein the correction support plate 817 is vertically arranged on the tray base 811 and extends upwards; the correction cylinder 818 is provided on a side wall of the correction support plate 817 and outputs power in a left-right direction for correcting the tray.

The tray carrying arm 82 comprises a carrying arm module 821, a carrying arm sliding seat 822, a carrying arm cylinder 823, a carrying arm bracket 824 and a tray taking suction nozzle 825, wherein the tray module 821 is horizontally arranged above the two material boxes 81; the arm sliding seat 822 is connected to the output end of the arm module 821, and is driven by the arm module 821 to move horizontally and linearly back and forth between the two cartridges 81; the arm cylinder 823 is arranged on the side wall of the arm sliding seat 822, and the output end of the arm cylinder 823 is arranged downwards; the arm support 824 is horizontally connected to the output end of the arm cylinder 823 and extends to the upper part of the material box 81; the tray taking suction nozzles 825 include at least two tray taking suction nozzles 825, and the at least two tray taking suction nozzles 825 are arranged on the arm bracket 824 with the nozzle opening facing downwards, and are used for adsorbing and fixing the trays in the cartridges 81, and transferring the trays between the two cartridges 81.

As shown in fig. 22 to 24, the carrying mechanism 9 includes a carrying bracket 91, a first supporting rod 92, a second supporting rod, a first module 93, a second module 94 and a material taking head 95, wherein the carrying bracket 91 is vertically arranged on the machine platform 1; the first supporting rod 92 is vertically arranged at one side of the top of the carrying bracket 91 and extends to the upper part of the material box 81; the second support rods comprise two second support rods, and the two second support rods are connected to the lower part of the first support rod 92 at intervals in parallel and extend to the upper part of the preassembled part along the direction perpendicular to the first support rod 92; the first modules 93 comprise two first modules 93 which are respectively arranged below the two second supporting rods; the second modules 94 are connected to the lower parts of the two first modules 93, are connected to the output ends of the first modules 93, are arranged along the direction perpendicular to the first modules 93, and are driven by the first modules 93 to move linearly; the material taking head 95 is connected to the output end of the second module 94, and is driven by the second module 94 to move linearly, so as to move the camera frame into the pre-assembly part after the camera frame is taken out from the material box 81.

As shown in fig. 25 to 26, the material taking head 95 includes a material taking support plate 951, a material taking lifting cylinder 952, a material taking lifting seat 953, a loading cylinder 954, a loading support plate 955, a rotating cylinder 956, a loading seat 957 and a material sucking nozzle 958, wherein the material taking support plate 951 is connected to an output end of the second module 94 and is horizontally arranged; the material taking lifting cylinder 952 is arranged at the lower part of the material taking support plate 951, and the output end of the material taking lifting cylinder 952 is arranged downwards; the material taking lifting seat 953 is arranged at the output end of the material taking lifting cylinder 952, and is driven by the material taking lifting cylinder 952 to move up and down; the loading cylinder 954 is connected to the side of the material taking lifting seat 953, and moves up and down along with the material taking lifting seat 953, and the output end of the loading cylinder 954 is arranged downwards; the loading support 955 is horizontally arranged at the lower part of the loading cylinder 954 and is connected with the output end of the loading cylinder 954 through a connecting column; the rotary cylinder 956 is disposed at a lower portion of the loading supporter 955 with an output end facing downward; the loading base 957 is connected to the output end of the rotary cylinder 956, and is driven to rotate by the rotary cylinder 956; the suction nozzles 958 comprise at least two suction nozzles 958, wherein the at least two suction nozzles 958 are arranged on the loading seat 957 and are communicated with an air path inside the loading seat 957, and the loading seat 957 is connected to an external vacuum generator to enable vacuum negative pressure to be generated at the suction nozzles 958 so as to adsorb the camera frame.

Example 5

As shown in fig. 32, as an embodiment of the present invention, the preassembling platform 10 and the preassembling mechanism 11 of the present embodiment, wherein the preassembling platform 10 includes at least two, at least two preassembling platforms are arranged on the machine 1 in parallel and spaced apart, and output power in the front-rear direction; the feeding part moves the camera frame to the pre-assembly platform 10, the transfer mechanism 7 moves the glass rear cover on the feeding platform 4 to the pre-assembly platform 10, and the camera frame and the glass rear cover are mutually assembled; the pre-assembly mechanism 11 is arranged above at least two pre-assembly platforms 10, the pre-assembly platforms 10 drive the glass rear cover and the camera frame to move to the pre-assembly mechanism 11, and the pre-assembly mechanism 11 is used for pressing and assembling the camera frame and the glass rear cover.

The preassembled platform 10 comprises a platform module 101 and an assembly support 102, wherein the platform module 101 is horizontally arranged on the machine 1 and outputs power along the front-rear direction; the assembly support 102 is disposed on the platform module 101, and is driven by the platform module 101 to move linearly.

As shown in fig. 34 to 37, the assembly support 102 includes a support bearing assembly, a cover plate positioning assembly, and a camera frame bearing positioning assembly, wherein the support bearing assembly is disposed on the platform linear module 101, and a rectangular through slot penetrating up and down is formed on the support bearing assembly; the upper cover of the rectangular through groove is provided with a supporting table cover plate 1024, the supporting table cover plate 1024 is provided with a first installation groove A which is sunken downwards, and the groove bottom plate 1025 of the first installation groove A is sunken and is used for placing a glass rear cover; a second mounting groove C which is vertically communicated is formed in the first mounting groove A; the cover plate positioning assemblies comprise two groups, and the two groups of cover plate positioning assemblies are respectively arranged at two adjacent side edges of the rectangular through groove and are used for positioning the glass rear cover; the camera frame bearing and positioning assembly is arranged below the second mounting groove C and penetrates into the second mounting groove C upwards to be used for bearing and positioning the camera frame.

The support bearing assembly comprises a support base 1021, a support 1022 and a support plate 1023, wherein the support base 1021 is horizontally arranged; the stand 1022 is erected on the stand base 1021, and forms an installation space on the stand base 1021; the support table 1023 is horizontally arranged on the support table 1022, and a rectangular through groove which is vertically communicated is formed in the support table 1023; the cover plate positioning component is arranged on the support table 1023 and is positioned at the side edge of the rectangular through groove; the supporting table cover plate 1024 is horizontally arranged on the supporting table plate 1023, the supporting table cover plate 1024 is provided with an upward concave empty avoiding groove corresponding to the cover plate positioning assembly so as to be arranged above the cover plate positioning assembly, and two adjacent side edges in the first mounting groove A of the supporting table cover plate 1024 are provided with positioning grooves B which are penetrated up and down so as to position the rear cover of the glass after the output end of the cover plate positioning assembly is inserted.

The cover plate positioning assembly comprises a positioning cylinder 1027 and a positioning base plate 1028, wherein the positioning cylinder 1027 is arranged on the support plate 1023, and the output end of the positioning cylinder 1027 is horizontally arranged in the rectangular through groove; the positioning substrate 1028 is vertically connected to the output end of the positioning cylinder 1027, passes through the positioning groove B, and extends to above the first installation groove a, and the positioning cylinder 1027 drives the positioning substrate 1028 to approach or depart from the first installation groove a in the positioning groove B, so as to position the glass rear cover in the first installation groove a from the transverse and/or longitudinal direction.

The camera frame bearing and positioning assembly comprises a jacking air cylinder 10212, a jacking seat 10213, a jacking plate 10211, a bearing seat 1026, a guide column 1029 and a positioning rod 10210, wherein the jacking air cylinder 10212 is arranged in an installation space, and the output end of the jacking air cylinder 10212 is upwards arranged; the jacking seat 10213 is arranged at the output end of the jacking cylinder 10212 and driven by the jacking cylinder 10212 to move up and down; the lifting plate 10211 is horizontally arranged on the upper part of the lifting seat 10213 and moves up and down along with the lifting seat 10213; the bearing seat 1026 is arranged on the jacking plate 10211 and below the second mounting groove C, and a boss is arranged on the bearing seat 1026 and used for bearing the camera frame, and the boss moves upwards along with the jacking plate 10211 and penetrates through the second mounting groove C; the two guide posts 1029 are arranged on two corresponding sides of the bearing seat 1026 at intervals, and are used for being upwards inserted into the groove bottom plate 1025 to conduct guide limiting when the camera frame is jacked up; the positioning rods 10210 comprise at least two positioning rods 10210, the at least two positioning rods 10210 are arranged at intervals on the periphery of the boss, and annular limiting grooves are formed in the outer wall of the upper end of each positioning rod 10210 and are used for positioning the camera frame on the boss from the side.

As shown in fig. 38, as an embodiment of the present invention, a groove body side wall of the first installation groove a is provided with a caulking groove 10214 extending horizontally outwards, and the height of the caulking groove 10214 is larger than the thickness of the glass rear cover, so that when the cover plate positioning assembly positions the glass rear cover, the glass rear cover horizontally slides into the caulking groove; the bottom of the first installation groove A is provided with a vacuum suction groove 10215 with a strip-shaped structure, the vacuum suction groove 10215 comprises at least two vacuum suction grooves 10215, the at least two vacuum suction grooves 10215 are mutually and vertically connected, are arranged at the bottom of the first installation groove A and are communicated with an air passage arranged inside the support cover plate 1024, and are connected with an external vacuum generator through a vacuum connector externally connected with the support cover plate 1024 so as to downwards adsorb and fix a glass rear cover placed in the first installation groove A through vacuum negative pressure.

As shown in fig. 33, as an embodiment of the present invention, the pre-assembly mechanism 11 of the present invention includes a pre-assembly bracket 111, a pre-assembly cylinder 112, and a pre-assembly pressing plate 113, wherein the pre-assembly bracket 111 is erected above the pre-assembly platform 10, the pre-assembly cylinder 112 includes at least two (e.g., 4) pre-assembly cylinders, the output ends of the at least two pre-assembly cylinders 12 are disposed vertically downward, and linear power is output in the vertical direction; the output end of the bottom of the pre-assembly air cylinder 112 is horizontally connected with a pre-assembly pressing plate 113, and the pre-assembly air cylinder 112 drives the pre-assembly pressing plate 113 to move up and down and is used for pressing the glass rear cover and the camera frame on the pre-assembly platform from the upper side in a planar pressing mode to form a fitting piece.

Example 6

As shown in fig. 39 to 40, as an embodiment of the present invention, the transfer arm 12 of the present embodiment includes a transfer module 121, a transfer slide 122, a transfer lift cylinder 123, a transfer rotary cylinder 124, a transfer support plate 125, and a transfer nozzle 126, wherein the transfer module 121 is erected between the pre-assembly portion and the retention blanking portion in the left-right direction; the transfer sliding seat 122 is connected to the output end of the transfer module 121; the transfer lifting cylinder 123 is arranged on the transfer sliding seat 122, and the output end of the transfer lifting cylinder is arranged downwards; the transfer rotary cylinder 124 is arranged at the output end of the transfer lifting cylinder 123, and is driven by the transfer lifting cylinder 123 to move up and down; the transfer support plate 125 is horizontally arranged at the output end of the transfer rotary cylinder 124, and is driven by the transfer rotary cylinder 124 to horizontally rotate; the transfer nozzles 126 include at least two transfer nozzles 126, and the at least two transfer nozzles 126 are vertically disposed on the transfer support plate 125, and are used for moving the transfer nozzles 126 to the pressure-maintaining blanking portion after vacuum negative pressure is applied to the bonding piece from the pre-assembly portion.

Example 7

As shown in fig. 41 to 43, as an embodiment of the present invention, the pressure-maintaining blanking portion of the present embodiment includes a transfer table 13, a blanking mechanism 14, a pressure-maintaining table 15, a pressure-maintaining mechanism 16, and a blanking table 17, wherein the transfer table 13 is disposed below the left side of the transfer arm 12 for placing the bonding member; the pressure maintaining platforms 15 comprise at least one pressure maintaining platform 15, and at least two pressure maintaining platforms 15 are arranged at the front side of the transfer platform 13 at intervals in parallel and linearly move along the left-right direction; the blanking tables 17 are arranged at intervals on the front side part of the pressure maintaining platform 15; the pressure maintaining mechanism 16 is erected above the at least two pressure maintaining platforms 15 and is used for maintaining pressure of the attaching pieces on the at least two pressure maintaining platforms 15; the blanking mechanism 14 is arranged above the transfer table 13, the at least two pressure maintaining platforms 15 and the blanking table 17 along the front-back direction, and is used for moving the attaching piece from the transfer table 13 to the pressure maintaining platforms 15 and moving the pressure maintaining piece after pressure maintaining from the pressure maintaining platforms 15 to the blanking table 17.

As shown in fig. 44 to 45, as an embodiment of the present invention, the middle rotary table 13 of the present embodiment includes a middle rotary base 131, a middle rotary slide rail 132, a middle rotary cylinder 133, a middle rotary connecting block 134, and a middle rotary table 135, wherein the middle rotary base 131 is disposed along a left-right direction, and a strip-shaped through slot D is formed on the middle rotary base 131; the transfer sliding rail 132 is horizontally arranged on the transfer base 131; the transfer cylinder 133 is disposed at the bottom of the transfer base 131, and the output end is disposed towards the left and right directions; the transfer supporting platform 135 is slidably embedded on the transfer sliding rail 132, a transfer connecting block 134 is fixed at the bottom of the transfer supporting platform 135, the transfer connecting block 134 passes through the strip-shaped through groove D and is connected with the output end of the transfer cylinder 133, and the transfer cylinder 133 drives the transfer supporting platform 135 to move linearly left and right through the transfer connecting block 134.

Further, as an example of the present invention, the structure of the transfer platform 135 is the same as the structure of the bearing and positioning assembly 42, and the function of the bearing and positioning and fixing the attaching member/the pressure-maintaining member along the longitudinal and transverse directions is not described in detail in the detailed description.

As shown in fig. 46 to 47, the discharging mechanism 14 includes a discharging module 141, a discharging slide 142, a discharging lifting cylinder 143, a discharging support 144, and a discharging suction nozzle 145, wherein the discharging module 141 is disposed along a front-rear direction; the blanking slide seat 142 is connected to the output end of the blanking module 141 and is driven by the blanking module 141 to linearly move back and forth; the discharging lifting air cylinders 143 comprise at least two discharging lifting air cylinders 143, the at least two discharging lifting air cylinders 143 are arranged on the side wall of the discharging sliding seat 142, and the output end of each discharging lifting air cylinder is arranged downwards; the blanking support plate 144 is horizontally connected to the output end of the blanking lifting cylinder 143, and at least two blanking suction nozzles 145 are arranged on the blanking support plate 144 and are used for vacuum adsorption of the attaching piece or the pressure maintaining piece.

As shown in fig. 42 to 43, the pressure maintaining platform 15 includes a pressure maintaining base 151, a pressure maintaining slide rail 152, a pressure maintaining cylinder 153, a pressure maintaining connecting block 154 and a pressure maintaining support 155, wherein the pressure maintaining base 151 is horizontally arranged along the left-right direction; the pressure maintaining slide rails 152 include at least two pressure maintaining slide rails 152, which are arranged on the pressure maintaining base 151 at intervals in parallel, and the side parts of the at least two pressure maintaining slide rails 152 are respectively provided with a strip-shaped through groove D; the pressure maintaining cylinders 153 include at least two pressure maintaining cylinders 153, and the at least two pressure maintaining cylinders 153 are respectively arranged at the lower part of the pressure maintaining base 151; the pressure maintaining connection block 154 comprises at least two pressure maintaining connection blocks, and the at least two pressure maintaining connection blocks 154 are respectively connected to the output ends of the at least two pressure maintaining cylinders 153 and respectively extend upwards through the strip-shaped through grooves D; the pressure maintaining support tables 155 comprise at least two pressure maintaining support tables 155, and the at least two pressure maintaining support tables 155 are respectively and slidably embedded on the at least two pressure maintaining slide rails 152, are connected with the pressure maintaining connecting blocks 154 and are driven by the pressure maintaining air cylinders 153 to linearly move; the pressure maintaining support 155 is provided with a vacuum suction plate for vacuum sucking the attaching piece placed thereon.

As shown in fig. 42 to 43, the blanking table 17 includes a blanking base 171, a blanking slide rail 172, a blanking cylinder 173, a blanking connecting block 174, and a blanking support 175, wherein the blanking base 171 is horizontally arranged along the left-right direction; the discharging slide rails 172 comprise at least two discharging slide rails 172, which are arranged on the discharging base 171 at intervals in parallel, and the side parts of the at least two discharging slide rails 172 are respectively provided with a strip-shaped through groove D; the blanking cylinders 173 include at least two, and the at least two blanking cylinders 173 are respectively disposed at the lower part of the blanking base 171; the discharging connecting block 174 comprises at least two discharging connecting blocks, and the at least two discharging connecting blocks 174 are respectively connected to the output ends of the at least two discharging cylinders 173 and respectively extend upwards through the strip-shaped through grooves D; the blanking support 175 comprises at least two blanking support 175, the at least two blanking support 175 are respectively and slidably embedded on at least two blanking slide rails 172 and are connected with a blanking connecting block 174, and the blanking support 175 is driven by a blanking cylinder 173 to linearly move; the blanking support 175 is provided with a vacuum suction plate for vacuum sucking the pressure maintaining piece placed thereon.

Furthermore, the automatic assembling machine for the rear cover and the glass, which is disclosed by the invention, has the advantages that the automatic circulation feeding and discharging storage of the rear cover and the camera frame are realized, the material transfer efficiency is effectively improved, the automatic film tearing and overturning of the rear cover of the glass before assembling are realized, the assembling yield is effectively improved by adopting an upper-top pressing assembling mode, the high-precision positioning function of assembling is realized, the assembling precision is effectively improved, and the position deviation of the material is reduced. The invention is applied to the field of automatic assembly of auxiliary materials of mobile phone cameras, and particularly aims to realize automatic assembly of a camera frame and a glass rear cover, the glass rear cover is attached with surface waterproof glue in a last station, the waterproof glue layer has the function of adhering and fixing the auxiliary materials on the glass rear cover, and the camera frame is adhered and fixed with the glass rear cover through the waterproof glue layer, so that the invention is actually used for assembling the camera frame on one side of the waterproof glue layer after the glass rear cover is attached. Based on waterproof glue film attached to the glass back cover, release film layer is attached to the surface of the glass back cover, so that the adhesive layer is exposed to facilitate subsequent assembly of the camera frame, and therefore the release film on the surface of the waterproof glue film is required to be torn off before assembly, and materials involved in the assembly process of the camera frame comprise the glass back cover and the camera frame. Based on the above assembly process requirements, the invention realizes the full-automatic assembly of the camera frame and the glass rear cover. Specifically, the invention integrally comprises a circulating feeding part, a film tearing transfer part, a feeding part, a preassembling part and a pressure maintaining and discharging part, wherein the circulating feeding part takes a material tray as a carrier, so that automatic feeding of a glass rear cover before assembly and automatic discharging of a pressure maintaining piece after assembly (an assembly of the glass rear cover and a camera frame after pressure maintaining) are realized; the film tearing transfer part is used for carrying the glass rear cover guided out by the circulating feeding part, tearing off the release film on the surface of the waterproof glue layer on the glass rear cover, and turning the glass rear cover 180 degrees after film tearing; the feeding part takes the material tray as a carrier, and realizes automatic feeding of the camera frame and circular feeding and collection of the material tray through two material boxes arranged in parallel at intervals; the preassembling part is used for taking the camera frame taken out by the feeding part, then taking the tearing film guided out by the tearing film transferring part and overturning the glass rear cover, so that the glass rear cover is pressed and assembled on the camera frame to form a fitting piece; the pressure-maintaining blanking part is used for bearing the laminating piece led out by the pre-assembly part, after the laminating piece is subjected to pressure maintaining, the laminating piece is led out to the blanking table, the pressure-maintaining piece is carried onto an empty trough position on the inner tray by a manipulator on the circulating feeding part again, so as to form a closed automatic circulating assembly path ring, until the glass back cover to be assembled is replaced by the pressure-maintaining piece after the assembly is completed in the tray on the circulating feeding part, and the tray is moved to the tray collecting station for automatic stacking, tray collecting and blanking.

Firstly, aiming at automatic feeding and storage of a camera glass rear cover, the invention designs a charging tray circulation feeding part which is used as an executing mechanism for the circulation feeding and automatic discharging storage of the camera glass rear cover, wherein the charging tray circulation feeding part takes a feeding support which is arranged in a straight line as a bearing structure, a discharging station and a collecting station are arranged on the feeding support at intervals along the straight line direction, two conveying material belts which are used for linearly conveying the charging tray and are arranged in parallel at intervals are respectively arranged at the three stations, the two conveying material belts are tensioned by a tensioning wheel, the tensioning wheels at the two ends of the conveying material belts are connected by a transmission shaft, the power output by a motor can be transmitted to a transmission shaft through a transmission belt so as to drive the transmission shaft to drive the tensioning wheel to rotate, and the two conveying material belts are driven to synchronously and linearly move when the tensioning wheel rotates, so that the linear conveying material tray is realized, the discharging tray mechanism and the collecting mechanism are respectively arranged at the three stations, and the tray mechanism are respectively provided with a horizontal carrying plate and a horizontal carrying plate, the horizontal carrying plate and the horizontal carrying plate arranged between the two conveying material belts at the front side and the rear side of the two conveying material belts are respectively arranged at intervals, the horizontal carrying plates are driven by a horizontal lifting block and the horizontal lifting and the horizontal carrying plate is driven to move by a supporting plate through a cylinder; when the trays are required to be placed, the horizontal carrier plate is propped against the stacked trays, the trays are pulled out outwards, the horizontal carrier plate drives the trays to descend by the thickness of one tray, the two trays are horizontally inserted above the bottommost tray, the bottommost tray is separated, the trays above the trays are supported again, the horizontal carrier plate drives the bottommost tray to continuously descend and be placed on a conveying belt, the trays are linearly conveyed to a material taking station through the conveying belt, the material taking carrier mechanism blocks and lifts the supporting trays, the material taking carrier mechanism can comprise a blocking block arranged in the two conveying belts and driven up and down through a cylinder and a horizontal layer arranged between the two conveying belts, the horizontal carrier plate drives the lifting motion through the cylinder so as to bear and prop up the blocked cylinder upwards, the conveying belt in the linear motion is convenient for a manipulator to take the glass cover in the tray, and the glass cover is lifted off after the manipulator takes the glass cover; when the glass rear cover to be assembled in the material tray is taken out, and the assembled pressure maintaining piece is fully assembled, the material taking and carrying mechanism is used for placing the material tray on a material conveying belt again, the material conveying belt is used for conveying the material tray to a material collecting station, and the material tray filled with the attached camera glass rear cover is stacked on a supporting plate one by one from bottom to top in the opposite direction of the material tray discharging mechanism; the material tray is used as a carrier, and the material tray is used for circularly discharging, blocking and lifting, taking and discharging, collecting and discharging, so that batch, automatic circular feeding and discharging storage of the rear cover of the camera glass are realized, the feeding efficiency of the rear cover of the camera glass is effectively improved, and the feeding continuity is ensured; the feeding support is also provided with a manipulator which completes the feeding and discharging transfer and conveying functions, and the glass rear cover is taken out from the tray at the material taking station and conveyed to the feeding table of the film tearing transfer part during feeding; and during blanking, carrying the pressure maintaining piece from a blanking table of the pressure maintaining blanking part to a material tray at the material taking station for storage.

Secondly, the film tearing transfer part is applied to a film tearing, angle overturning and transfer transportation section on the surface of the glass rear cover of the front section assembled by the glass rear cover and the camera frame, and particularly, the film tearing off method is used for tearing off the release film on the surface of the pre-attached waterproof adhesive layer on the glass rear cover. In the subsequent assembly process, the camera frame is firstly placed on the assembly platform, then the waterproof adhesive layer of the glass rear cover downwards covers the camera frame, and the camera frame is adhered and fixed on the surface of the glass rear cover by utilizing the waterproof adhesive layer; and the waterproof adhesive layer of the glass rear cover faces upwards in the feeding process of the front section. Based on the difference of the assembly process, the technical problem solved by the transfer part of the tearing film is that the release film on the surface of the upward waterproof adhesive layer is firstly torn off after the glass is picked up, then the glass rear cover is turned over by 180 degrees to enable the waterproof adhesive layer to face downwards, and then transfer transportation is carried out, so that the subsequent assembly is facilitated. Specifically, the dyestripping transfer part wholly includes the material loading platform, tilting mechanism and dyestripping mechanism, wherein the material loading platform includes the material loading module and bears the locating component, the material loading module drive bears the locating component and makes a round trip rectilinear motion below tilting mechanism and outside manipulator, the dyestripping mechanism has been erect above the material loading module, bear the locating component and draw behind the glass back lid of waiting to tear the membrane in the manipulator below, it removes to the dyestripping mechanism below to drive glass back lid, the dyestripping mechanism tears the back with the glass back lid surface from the membrane, continue to drive glass back lid and remove to tilting mechanism department, tilting mechanism adsorbs behind the fixed glass back lid and drives glass back lid after the upset 180, place the glass back lid after the upset again on bearing the locating component, bear the locating component and drive behind the glass back lid after the dyestripping and the upset reverse movement to the manipulator below through the material loading module drive, for the manipulator carries the glass back lid and carries out subsequent equipment. The film tearing transfer part realizes automatic film tearing, overturning and transfer transportation before assembling the glass rear cover and the camera frame, realizes multi-action efficient connection of glass rear cover transfer transportation, film tearing, overturning and blanking, and effectively improves material operation and film tearing efficiency.

The pre-assembling part comprises a plurality of groups of horizontally arranged assembling platforms and a pre-assembling mechanism arranged above the plurality of groups of assembling platforms, wherein the plurality of groups of assembling platforms move back and forth in a straight line direction so as to be convenient for taking a camera frame at a carrying mechanism, taking a glass rear cover at a transferring mechanism and moving to the lower part of the pre-assembling mechanism, completing the automatic assembly of the glass rear cover and the camera frame, and driving assembled fitting parts to move to the lower part of a transferring carrying arm so as to be convenient for the transferring carrying arm to carry the fitting parts to a middle rotary table of a pressure maintaining blanking part; The assembly platform takes the assembly support platform as a bearing and positioning mechanism of the camera frame and the glass rear cover, the assembly support platform comprises a support platform bearing assembly, a cover plate positioning assembly and a camera frame bearing and positioning assembly, the support platform bearing assembly is a bearing structure which is formed by a support platform base arranged horizontally, a platform frame erected above the support platform base and a support platform plate arranged horizontally on the platform frame, the middle part of the support platform plate is provided with a rectangular through groove which is sunken downwards, two side edges of the rectangular through groove which are mutually perpendicular are respectively provided with the cover plate positioning assembly, and a positioning cylinder of the cover plate positioning assembly drives a positioning substrate to approach or separate from the rectangular through groove along the directions of two side edges of the rectangular through groove; A supporting table cover plate is horizontally covered above the cover plate positioning assembly, a first installation groove which is sunken downwards is formed in the supporting table cover plate and corresponds to the rectangular through groove, the first installation groove is used for placing and bearing the glass rear cover, a positioning groove which penetrates through up and down is formed in the first installation groove and corresponds to the cover plate positioning assembly, so that a positioning substrate extends into the first installation groove from a bottom plate which penetrates through the first installation groove, and the positioning substrate moves in the positioning groove so as to position the glass rear cover from two sides; In addition, a second mounting groove which is vertically penetrated is arranged at a position corresponding to the position of the camera frame to be assembled on the glass rear cover at one corner of the first mounting groove, a camera frame bearing and positioning component of the assembly support is correspondingly arranged below the second mounting groove, a lifting cylinder of the camera frame bearing and positioning component drives a lifting seat to drive a lifting plate arranged on the lifting seat to move upwards from bottom to top towards the direction of the second mounting groove, the lifting plate drives a bearing seat arranged on the lifting seat to move upwards, a boss is arranged on the bearing seat and used for placing and bearing the camera frame to be assembled, a guide post and a positioning rod are arranged at the periphery of the boss, the positioning rod is close to the side edge of the boss and used for forming a positioning edge line at the edge of the boss, in the process of placing the camera frame on the boss, the accuracy of the placement position of the camera frame is ensured from the outer side through the positioning rod so as to ensure the subsequent assembly precision; After the camera frame to be assembled is placed on the boss on the bearing seat from the second mounting groove in the assembly process, the positioning rod corrects the assembly position of the camera, the glass rear cover is placed in the first mounting groove from the upper part, the cover plate positioning assembly is used for positioning and correcting the position of the glass rear cover, the bearing seat below drives the camera to be close to the bottom surface assembly position of the glass rear cover from bottom to top, and the guide hole of the support cover plate is gradually inserted from bottom to top through the guide post in the lifting process of the bearing seat so as to guide and limit the camera frame, so that position deviation in the process of upward assembly of the camera frame is avoided, and the accuracy of the assembly position is ensured. Particularly, based on the assembly process, the glass back cover material is the material that is easy to be damaged by pressure, the assembly support changes the traditional downward-pressure type assembly mode (avoids that equipment or mechanism is invalid in transmission control, and the glass back cover is damaged because of self gravity effect is covered after smashing to the glass), and the upper top pressing assembly mode is adopted, so that the damage condition of the glass back cover in the assembly process can be effectively reduced, and the camera frame bearing and positioning assembly can be effectively integrated and arranged in the installation space of the support bearing assembly, and the beneficial effect of reducing the equipment installation space occupation rate is synchronously achieved. based on the above top pressing assembly mode, in the process of assembling the camera frame, the glass rear cover receives the assembly thrust from bottom to top, so that in order to ensure that the glass rear cover is not pushed away from the first mounting groove by the upward assembly thrust in the process of assembling, the first mounting groove of the assembly support is provided with a caulking groove extending horizontally outwards on the side wall of the groove body symmetrical to the cover plate positioning component, the height of the caulking groove is larger than the thickness of the glass rear cover, when the cover plate positioning component corrects and positions the glass rear cover placed in the first mounting groove, the glass rear cover is pushed into the caulking groove horizontally, the top plate of the caulking groove can also play a role of limiting the glass rear cover from above in the process of assembling when the correction and positioning of the glass rear cover are completed, Avoid it to leave first mounting groove because of receiving ascending equipment thrust, the condition of position deviation appears, the effectual lid position accuracy behind the glass of assurance in the assembly process.

Finally, the pressure-maintaining blanking part automatically transits and blanking the assembled or pressure-maintaining attaching piece or pressure-maintaining piece, so that the automatic connection degree among a plurality of stations such as material transit, bearing pressure maintaining, blanking and the like is effectively realized, and the automatic and accurate transit and transportation of the materials among different stations are improved, so that the processing efficiency is improved; meanwhile, in order to meet the requirement of the fine assembly of the camera frame, the positioning correction function in the horizontal plane is integrated while the pressure maintaining and bearing functions are realized, the high positioning precision pressure maintaining is realized, the pressure maintaining and assembling quality is improved, and the assembly defective products caused by the relative deviation of the material positions and the like are reduced. The pressure-maintaining blanking part integrally comprises a transit table, a blanking mechanism, a pressure-maintaining platform, a pressure-maintaining mechanism and a blanking table, wherein the transit table is used for bearing and receiving a laminating piece formed by preassembling a rear cover of a glass at a last station and a camera frame, the pressure-maintaining platform is used for longitudinally and transversely positioning the laminating piece after receiving the laminating piece conveyed from the transit table by the blanking mechanism, the pressure-maintaining mechanism is gradually close to and pressed on the laminating piece from the upper part and continuously maintains the pressing state for a certain time, the laminating piece is subjected to pressure maintaining, so that the assembly tightness and the adhesiveness between the rear cover of the glass and the camera frame are ensured, and the blanking table is used for bearing the pressure-maintaining laminating piece conveyed from the pressure-maintaining platform by the blanking mechanism, so that the blanking is taken out by an external manipulator. In addition, the pressure maintaining platform of pressure maintaining unloading part includes the multiunit, and multiunit pressure maintaining platform is used for bearing a plurality of laminating pieces to pressure maintaining mechanism carries out the pressurize to a plurality of laminating pieces simultaneously, in order to promote pressurize efficiency. In addition, the transfer table, the pressure maintaining platform and the blanking table of the pressure maintaining blanking part all have the function of back and forth linear motion in the front and back directions, so that the back and forth circular linear motion is realized at different positions in the transfer, pressure maintaining and blanking processes, automatic material receiving and feeding actions are completed, the material receiving and discharging efficiency is improved, and meanwhile, the motion interference in the material taking and discharging process is avoided.

The examples of the present invention are presented only to describe specific embodiments thereof and are not intended to limit the scope of the invention. Certain modifications may be made by those skilled in the art in light of the teachings of this embodiment, and all equivalent changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (16)

1. An automatic assembly machine for a camera frame and a glass back cover, comprising a horizontally arranged machine platform (1), characterized in that it also comprises a circulating feeding part (2), a film tearing transfer part arranged on the machine platform (1), a feeding part, a pre-assembly part and a pressure-maintaining unloading part, wherein: The circulating feeding part (2) is arranged horizontally along a straight line direction and outputs a linear power for driving the material tray loaded with the glass rear cover to move, thereby completing the material tray discharge, material loading and material collection. The film-tearing transfer part is arranged on the side of the circulating feeding part (2) and is used to carry the glass back cover moved out of the material tray and to tear off the protective film on the surface of the glass back cover; The feeding part is arranged at a distance on one side of the film tearing transfer part; the preassembly part is arranged between the feeding part and the film tearing transfer part, and a transfer mechanism (7) is arranged between the film tearing transfer part and the preassembly part for transferring the glass back cover from the film tearing transfer part to the preassembly part; The feeding part includes at least two material boxes, the material boxes are loaded with camera frames to be assembled, and the camera frames are lifted up and output and then transported to the pre-assembly part, and the camera frames are assembled with the glass back cover to form a bonding part; The pressure-holding blanking part is arranged at a distance on the other side of the film tearing transfer part, and a transfer arm (12) is arranged between the pressure-holding blanking part and the pre-assembly part. The transfer arm (12) moves the bonding parts in the pre-assembly part to the pressure-holding blanking part, and the pressure-holding parts are formed by pressure-holding in the pressure-holding blanking part. The pressure-holding parts are circulated and transported to the material tray of the circulated loading part. 2. The automatic assembly machine for a camera frame and a glass back cover according to claim 1 is characterized in that: the circulating feeding part (2) comprises a feeding rack (21), a conveying belt (22), a tray placing mechanism (23), a material picking and loading mechanism (24) and a tray closing mechanism (25); the feeding rack (21) is arranged horizontally, and three groups of conveying belts (22) are arranged on the feeding rack (21) at intervals along a straight line direction, and the three groups of conveying belts (22) are respectively provided with a tray placing station, a material picking station and a tray closing station; the tray placing mechanism (23), the material picking and loading mechanism (24) and the tray closing mechanism (25) are respectively arranged at the tray placing station, the material picking station and the tray closing station; at least two trays loaded with glass back covers are stacked up and down in the tray placing mechanism (23), and the tray placing mechanism (23) The material tray is supported by a horizontal carrier plate that can be lifted in the middle, and the material tray at the bottom is separated onto the conveying belt (22) by the support plates that can be horizontally inserted and pulled out on both sides of the horizontal carrier plate, so as to place the material trays one by one; the material loading mechanism (24) blocks and positions the material tray released by the tray placing mechanism (23) so as to place and take the glass back cover in the material tray; the tray closing mechanism (25) receives and blocks the processed camera glass back cover loaded at the material taking station, and then pushes the material tray up by the horizontal carrier plate that can be lifted in the middle, so that it is separated from the conveying belt (22), and then supported by the support plates on both sides of the horizontal carrier plate; the feeding bracket (21) is also provided with a robot (3) for taking the glass back cover from the material tray at the material taking station, and retrieving the pressure-maintaining part from the pressure-maintaining unloading part and putting it into the material tray at the material taking station. 3. According to claim 2, a camera frame and glass back cover automatic assembly machine is characterized in that: the film tearing transfer part includes a loading platform (4), a flipping mechanism (5) and a film tearing mechanism (6), wherein the loading platform (4) moves back and forth in a straight line in the front-back direction, and is used to carry and drive the glass back cover to move; the film tearing mechanism (5) is mounted above the loading platform (4), and is used to tear off the protective film on the glass back cover; the flipping mechanism (5) is arranged at the rear end of the loading platform (4), and is used to absorb the glass back cover of the loading platform (4), and flip the glass back cover 180° and then place it back on the loading platform (4), and the loading platform (4) drives the glass back cover after film tearing to move to the bottom of the transfer mechanism (7), and the glass back cover is moved to the pre-assembly part through the transfer mechanism (7). 4. The automatic assembly machine for a camera frame and a glass back cover according to claim 3 is characterized in that: the loading platform (4) comprises a loading module (41) and a bearing and positioning component (42); the loading module (41) is arranged on the machine platform (1) in a straight line along the front-back direction, and outputs a linear force along the front-back direction; the bearing and positioning component (42) is arranged on the loading module (41), and is driven by the loading module (41) to move in a straight line forward and backward; the bearing and positioning component comprises a bearing component, a slide rail (426), a U-shaped bearing block (427), a transverse positioning component and a longitudinal positioning component; the bearing component is arranged on the loading module (41), and the bearing component has a plurality of bearing members. It includes at least two bearing layers along the vertical direction; the slide rail (426) includes two groups, and the two groups of slide rails (426) are respectively arranged on the bearing component along the horizontal direction and the longitudinal direction; the U-shaped bearing block (427) is arranged on the bearing component along the longitudinal direction, and forms a bearing surface extending along the longitudinal direction, and an inwardly concave strip air groove is provided on the bearing surface, and the strip air groove is connected to an external vacuum generator for negative pressure adsorption, and a glass back cover is placed on the bearing surface; a downwardly concave U-shaped material extraction groove is provided in the bearing surface; the horizontal positioning component and the longitudinal positioning component are arranged on the bearing component, and clamp and position the glass back cover on the bearing surface along the horizontal direction and the longitudinal direction respectively. 5. The automatic assembly machine for a camera frame and a glass back cover according to claim 4, characterized in that: the bearing component comprises a bearing positioning assembly (42) comprising a bearing bottom plate (421), a first pillar (422), a bearing support plate (423), a second pillar (424) and a bearing top plate (425), wherein the bearing bottom plate (421), the bearing support plate (423) and the bearing top plate (425) are arranged spaced apart from bottom to top in a vertical direction; the first pillar (422) comprises at least two, the at least two second pillars (424) and the bearing top plate (425) are arranged spaced apart from each other in a vertical direction; A pillar (422) is vertically arranged on the bearing bottom plate (421) for supporting the bearing support plate (423); the second pillar (424) includes at least two pillars, and at least two second pillars (424) are vertically arranged on the bearing support plate (423) for supporting the bearing top plate (425); the slide rail (426) and the U-shaped bearing block (427) are arranged on the bearing top plate (425); and a transverse slide groove (a) and a longitudinal slide groove (b) are respectively provided on the bearing top plate (425) along the longitudinal direction and the transverse direction. 6. The automatic assembly machine for a camera frame and a glass back cover according to claim 5 is characterized in that: the transverse positioning component comprises a transverse motor (428), a transverse transmission belt (429), a transverse connecting seat (4210), a transverse slide seat (4211) and a transverse positioning column (4212), wherein the transverse motor (428) is arranged at the bottom of the bearing support plate (423), and the output shaft passes through the bearing support plate (423) and extends upward; the transverse transmission belt (429) is arranged between the bearing support plate (423) and the bearing top plate (425) along the transverse direction, one end of the transverse transmission belt (429) is sleeved on the output shaft of the transverse motor (428), and the other end is sleeved on the tensioning roller arranged on the bearing support plate (423), and is driven by the transverse motor (428) to move in the transverse direction; the transverse connecting seat (4210) The invention comprises two transverse connecting seats (4210), which are respectively connected to the two side edges of the transverse transmission belt (429), and extend upward through the transverse slide groove (a) to the top of the bearing top plate (425), and move closer to or farther away from each other as the transverse transmission belt (429) moves; the transverse slide seat (4211) comprises two, which are respectively slidably embedded in two slide rails (426) arranged along the transverse direction, and are located on the left and right sides of the U-shaped bearing block (427), and are respectively connected and fixed to the two transverse connecting seats (4210), and driven by the transverse connecting seats (4210); at least two transverse positioning columns (4212) are arranged on the transverse slide seat (4211) at intervals along the longitudinal direction, and the transverse positioning columns (4212) move with the transverse slide seat (4211) so as to clamp and limit the glass back cover from the transverse direction. 7. The automatic assembly machine for a camera frame and a glass back cover according to claim 5 is characterized in that: the longitudinal positioning component comprises a longitudinal motor (4213), a longitudinal transmission belt (4214), a longitudinal connecting seat (4215), a longitudinal slide seat and a longitudinal positioning column (4217), wherein the longitudinal motor (4213) is arranged at the bottom of the bearing support plate (423), and the output shaft passes through the bearing support plate (423) and extends upward; the longitudinal transmission belt (4214) is arranged between the bearing support plate (423) and the bearing top plate (425) along the longitudinal direction, one end of the longitudinal transmission belt (4214) is sleeved on the output shaft of the longitudinal motor (4213), and the other end is sleeved on the tensioning roller arranged on the bearing support plate (423), and is driven by the longitudinal motor (4213) to move in the transverse direction. The longitudinal connecting seats (4215) are respectively connected to the two side edges of the longitudinal transmission belt (4214), and extend upward through the longitudinal slide groove (b) to the top of the bearing top plate (425), and move closer to or farther away from each other as the longitudinal transmission belt (4214) moves; the longitudinal slide seats are respectively connected to the side walls of the bearing top plate (425) in a slidable manner, and are located on the front and rear sides of the U-shaped bearing block (427), and are respectively connected and fixed to the two longitudinal connecting seats (4215), and move with the longitudinal connecting seats (4215); at least two longitudinal positioning columns (4216) are arranged on the longitudinal slide seats at intervals along the transverse direction, and the longitudinal positioning columns (4216) move with the longitudinal slide seats, so as to clamp the limit glass back cover in the longitudinal direction. 8. The automatic assembly machine for a camera frame and a glass back cover according to claim 4, characterized in that: the flip mechanism (5) comprises a flip bracket (51), a flip lifting cylinder (52), a flip cylinder (53), a flip support bar (54), a flip support block (55) and a flip suction nozzle (56), wherein the flip bracket (51) is vertically arranged at the rear end of the loading platform (4); the flip lifting cylinder (52) is vertically arranged on the flip bracket (51), and the output end is arranged upward; the flip cylinder (53) is arranged on the output end of the flip lifting cylinder (52), and is driven by the flip lifting cylinder (52) to move up and down; the output end of the flip cylinder (53) is arranged toward the loading platform (4); the flip support bar (54) is connected to the output end of the flip cylinder (53), and is driven by the flip cylinder (53) to rotate, and an air path is arranged inside the flip support bar (54), and a connecting rod (55) is arranged on the flip support bar (54). an air nozzle, the air nozzle is connected to the internal air path of the flip support bar (54) and is externally connected to a vacuum generator; the flip support block (55) comprises at least two, at least two flip support blocks (55) are arranged at intervals on the flip support bar (54) and are used to carry the glass back cover; the flip suction nozzle (56) comprises at least two, at least two flip suction nozzles (56) are arranged at intervals on the flip support bar (54) and are connected to the internal air path of the flip support bar (54) to fix the glass back cover by suction using vacuum negative pressure; when the bearing and positioning assembly (42) moves toward the flip mechanism (5), the flip support bar (54) extends into the U-shaped material taking groove of the U-shaped bearing block (427) along the front-back direction, supports the glass back cover from below, and fixes the glass back cover by suction using the flip suction nozzle (56), then removes the glass back cover from the bearing and positioning assembly (42), drives the glass back cover to flip 180 degrees, and then re-places the glass back cover on the bearing and positioning assembly (42). 9. The automatic assembly machine for a camera frame and a glass back cover according to claim 3 is characterized in that: the film tearing mechanism (6) comprises a film tearing bracket (61), a film tearing linear module (62), a film tearing lifting module (63), a film tearing head (64) and a waste box (65), wherein the film tearing bracket (61) is vertically arranged on the machine table (1) and is located on the side of the loading table (4); the film tearing linear module (62) is arranged on the film tearing bracket (61) and is arranged along a direction perpendicular to the loading table (4). ) direction to the top of the loading platform (4); the film tearing lifting module (63) is vertically connected to the film tearing linear module (62) and is connected to the output end of the film tearing linear module (62); the film tearing head (64) is arranged on the output end of the film tearing lifting module (63), and is driven by the film tearing lifting module (63) to move up and down, and is used to tear off the protective film on the surface of the glass back cover; the waste box (65) is arranged on the side of the film tearing bracket (61), and the opening faces upward, and is used to collect the torn protective film; The film tearing head (64) comprises a film tearing support plate (641), a film tearing rotating motor (642), a film tearing rotating seat (643), a film clamping cylinder (644), a film clamping block (645), a film blowing support plate (646) and a film blowing air nozzle (647), wherein the film tearing support plate (641) is connected to the output end of the film tearing lifting module (63); the film tearing rotating motor (642) is horizontally arranged on the rear side wall of the film tearing support plate (641), and the output end passes through the film tearing support plate (641) and extends to the front side of the film tearing support plate (641); the film tearing rotating seat (643) is vertically connected to the output end of the film tearing rotating motor (642), and is connected to the film tearing rotating motor (642) through the film tearing rotating motor. (642) is driven to rotate; the film clamping cylinder (644) is arranged on the film tearing rotating seat (642), and the output end is arranged to be tilted downward; the film clamping block (645) is connected to the output end of the film clamping cylinder (644), and is driven by the film clamping cylinder (644) to clamp or loosen the protective film; the film blowing support plate (646) is arranged on the film clamping cylinder (644), and extends tilted downward to the side of the film clamping block (645); the film blowing air nozzle (647) is arranged on the side wall of the film blowing support plate (646), and is arranged in the direction of the film clamping block (645), and is used to blow high-pressure gas to the connection between the glass back cover and the protective film when tearing the film, so as to assist in tearing the film. 10. An automatic assembly machine for camera frames and glass back covers according to claim 3, characterized in that: the feeding part comprises a material box assembly (8) and a conveying mechanism (9), wherein the material box assembly (8) comprises a material box (81) and a material tray moving arm (82), the material box (81) comprises two, the two material boxes (81) are arranged on the machine table (1) in parallel and spaced apart, at least two material trays are stacked up and down in the material box (81), at least two camera frames are arranged in the material tray, and the stacked material trays move upward to take out the camera frame; the conveying mechanism (9) is set between the two material boxes (81) and is used to transfer the material tray between the two material boxes (81); the material box (81) comprises a material box base (811), a feeding assembly (82), and a feeding assembly (83). The invention relates to a material box base (811) and a tray assembly and a correction assembly, wherein the material box base (811) is arranged horizontally, and a material box bracket (814) is arranged on the rear side of the material box base (811); at least two limiting columns (816) are arranged on the material box base (811), and the at least two limiting columns (816) extend vertically upward and are used to limit the position of the material tray; the feeding assembly is arranged above the material box base (811), and at least two material trays are stacked on the feeding assembly, and the feeding assembly drives the material box to move up and down in the vertical direction; the tray assembly is arranged on the upper front side of a material box (81), and is used to be inserted between the stacked material trays on the feeding assembly, and to lift the uppermost material tray upward; the correction assembly is arranged above a material box (81), and is used to position the material tray after being lifted. 11. The automatic assembly machine for a camera frame and a glass back cover according to claim 3, characterized in that: the preassembly platform (10) and the preassembly mechanism (11), wherein the preassembly platform (10) comprises at least two, at least two preassembly platforms are arranged on the machine platform (1) in parallel and spaced relation, and output power in the front-rear direction; the feeding part moves the camera frame to the preassembly platform (10), the transfer mechanism (7) moves the glass back cover on the loading platform (4) to the preassembly platform (10), and the camera frame and the glass back cover are assembled with each other; the preassembly mechanism (11) is erected above the at least two preassembly platforms (10), the preassembly platform (10) drives the glass back cover and the camera frame to move to the preassembly mechanism (11), and the preassembly mechanism (11) presses and assembles the camera frame and the glass back cover; The pre-assembly platform (10) comprises a platform module (101) and an assembly support platform (102), wherein the platform module (101) is horizontally arranged on the machine platform (1) and outputs power in a front-rear direction; and the assembly support platform (102) is arranged on the platform module (101) and is driven by the platform module (101) to move linearly. 12. The assembly support (102) comprises a support bearing component, a cover plate positioning component, and a camera frame bearing and positioning component, wherein the support bearing component is arranged on the platform linear module (101), and a rectangular through groove extending vertically is provided on the support bearing component; the upper part of the rectangular through groove is covered with a support cover plate (1024), and a first installation groove (A) which is recessed downward is provided on the support cover plate (1024), and the groove bottom plate (1025) of the first installation groove (A) is sunken and used to place a glass back cover; a second installation groove (C) extending vertically is provided on the first installation groove (A); the cover plate positioning component comprises two groups, and the two groups of cover plate positioning components are respectively arranged at adjacent two sides of the rectangular through groove for positioning the glass back cover; the camera frame bearing and positioning component is arranged below the second installation groove (C), and penetrates upward into the second installation groove (C) for bearing and positioning the camera frame; A horizontally outwardly extending embedding groove (10214) is provided on the side wall of the groove body of the first installation groove (A); the height of the embedding groove (10214) is greater than the thickness of the glass back cover, so that when the cover plate positioning assembly positions the glass back cover, the glass back cover slides horizontally into the embedding groove; A vacuum suction groove (10215) with a strip structure is provided on the bottom of the first installation groove (A), and the vacuum suction groove (10215) includes at least two vacuum suction grooves (10215), which are vertically connected to each other, arranged at the bottom of the first installation groove (A), and communicated with an air path arranged inside the support platform cover plate (1024), and connected to an external vacuum generator through a vacuum joint externally connected to the support platform cover plate (1024), so as to fix the glass back cover placed in the first installation groove (A) by downward suction through vacuum negative pressure. 13. The automatic assembly machine for a camera frame and a glass back cover according to claim 11, characterized in that: the support platform bearing assembly comprises a support platform base (1021), a support platform frame (1022) and a support platform plate (1023), wherein the support platform base (1021) is arranged horizontally; the support platform frame (1022) is mounted on the support platform base (1021) and forms an installation space on the support platform base (1021); the support platform plate (1023) is arranged horizontally on the support platform frame (1022), and the support platform plate (1023) is arranged horizontally on the support platform frame (1022). A rectangular through groove extending vertically is provided; the cover plate positioning assembly is arranged on the support plate (1023) and is located at the side of the rectangular through groove; the support plate cover plate (1024) is horizontally covered on the support plate (1023); the support plate cover plate (1024) is provided with an upwardly recessed avoidance groove corresponding to the cover plate positioning assembly so as to be covered on the top of the cover plate positioning assembly; and positioning grooves (B) extending vertically are provided at adjacent two side edges in the first installation groove (A) of the support plate cover plate (1024) so as to position the rear glass rear cover after the output end of the cover plate positioning assembly is inserted. 14. An automatic assembly machine for a camera frame and a glass back cover according to claim 12, characterized in that: the cover plate positioning assembly comprises a positioning cylinder (1027) and a positioning substrate (1028), wherein the positioning cylinder (1027) is arranged on a support plate (1023), and the output end is arranged horizontally toward the rectangular through groove; the positioning substrate (1028) is vertically connected to the output end of the positioning cylinder (1027), passes through the positioning groove (B), and extends to the top of the first mounting groove (A), and the positioning cylinder (1027) drives the positioning substrate (1028) to approach or move away from the first mounting groove (A) in the positioning groove (B), so as to position the glass back cover in the first mounting groove (A) in the horizontal and/or vertical direction. 15. The automatic assembly machine for a camera frame and a glass back cover according to claim 12, characterized in that: the camera frame bearing and positioning assembly comprises a lifting cylinder (10212), a lifting seat (10213), a lifting plate (10211), a bearing seat (1026), a guide column (1029) and a positioning rod (10210), wherein the lifting cylinder (10212) is arranged in the installation space, and the output end is arranged upward; the lifting seat (10213) is arranged on the output end of the lifting cylinder (10212), and is driven by the lifting cylinder (10212) to move up and down; the lifting plate (10211) is horizontally arranged on the upper part of the lifting seat (10213), and moves up and down with the lifting seat (10213); the bearing seat (1026) is arranged on the lifting plate (10211) and is located below the second installation groove (C). A boss is provided on the bearing seat (1026) for supporting the camera frame. The boss moves upward through the second installation groove (C) along with the lifting plate (10211); the guide column (1029) includes two, and the two guide columns (1029) are arranged at intervals on the corresponding two sides of the bearing seat (1026) for upward insertion into the groove bottom plate (1025) for guiding and limiting when lifting the camera frame; the positioning rod (10210) includes at least two, and at least two positioning rods (10210) are arranged at intervals on the periphery of the boss. The upper end outer wall of the positioning rod (10210) is provided with an annular limiting groove for positioning the camera frame on the boss from the side. 16. The automatic assembly machine for a camera frame and a glass back cover according to claim 1, characterized in that: the pressure-maintaining and unloading part comprises a transfer table (13), an unloading mechanism (14), a pressure-maintaining platform (15), a pressure-maintaining mechanism (16) and an unloading table (17), wherein the transfer table (13) is arranged at the lower left side of the transfer arm (12) for placing the bonding parts; the pressure-maintaining platform (15) comprises at least two pressure-maintaining platforms (15) arranged in parallel and spaced relation on the front side of the transfer table (13) and moving in a straight line in the left-right direction; The unloading platform (17) is arranged at intervals on the front side of the pressure-holding platform (15); the pressure-holding mechanism (16) is mounted above at least two pressure-holding platforms (15) and is used to hold pressure on the bonding parts on the at least two pressure-holding platforms (15); the unloading mechanism (14) is mounted above the transfer platform (13), at least two pressure-holding platforms (15) and the unloading platform (17) in the front-to-back direction and is used to move the bonding parts from the transfer platform (13) to the pressure-holding platform (15), and to move the pressure-holding parts from the pressure-holding platform (15) to the unloading platform (17).