CN113305566A

CN113305566A - Automatic assembly production line for production of rack-mounted electronic instruments and meters

Info

Publication number: CN113305566A
Application number: CN202110635529.0A
Authority: CN
Inventors: 聂婷
Original assignee: Wuhan Shunwei Zhongchuang Technology Co ltd
Current assignee: Wuhan Shunwei Zhongchuang Technology Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-08-27

Abstract

The invention relates to an automatic assembly production line for production of a rack-mounted electronic instrument, which comprises a workbench and a fixing device arranged above the workbench, wherein a pressing device is arranged at the top of a circular plate; according to the invention, the outer side of the instrument to be processed can be supported and the instrument to be processed can be centered and clamped through the matching between the right-angle plate and the reset spring, so that the probability of toppling of the instrument to be processed in the assembling process is reduced, the stability of placing the instrument is favorably increased, the instruments with different sizes can be clamped, the application range of the fixing device is increased, the shells to be processed can be stacked through the L-shaped clamping plates, the labor intensity of manual assembly line discharging is reduced, the accuracy of butt assembling of the shells and the instrument and the assembling speed are improved, and the ideal production line state of automatic assembling of production of the rack-mounted electronic instrument is achieved.

Description

Automatic assembly production line for production of rack-mounted electronic instruments and meters

Technical Field

The invention relates to the field of instrument and meter processing, in particular to an automatic assembly production line for production of a rack-mounted electronic instrument and meter.

Background

An instrument is an instrument or equipment for detecting, measuring, observing, and calculating various physical quantities, material components, physical parameters, and the like. The vacuum leak detector, the pressure gauge, the length measuring instrument, the microscope, the multiplier and the like belong to instruments and meters. The instrument can be divided into a desk type, a plug-in type, a rack type and the like, the whole assembly of the instrument is a process of assembling related electronic components, parts and whole parts on specified positions of a large disc according to design requirements strictly and forming the instrument with certain functions, the process is divided into an electrical assembly part and a mechanical assembly part, the electrical assembly part is connected through leads according to the layout of the components and the parts from the aspect of electrical performance, and the mechanical assembly part is assembled according to the technical requirements of product design according to position precision, surface matching precision and motion precision.

The assembly line, also called assembly line, is a production mode in industry, and means that each production unit only focuses on the work of processing a certain fragment, so as to improve the work efficiency and the yield. When current assembly line technique is assembled instrument and shell, need through artifical material loading after, rethread machinery assembles, and artifical incessant material loading just can guarantee the constant operation of assembly line, and intensity of labour is very big, and the production progress is low, and the instrument does not have fixing device to fix it at the in-process of material loading for the instrument takes place to empty easily at the in-process of equipment, influences the assembly position of instrument, thereby influences the operation of whole assembly line.

Therefore, the invention provides an automatic assembly production line for production of rack-mounted electronic instruments and meters.

Disclosure of Invention

In order to achieve the above object, the present invention provides an automated assembly line for rack-mounted electronic instrument production, the production line including a workbench and a hollow tray disposed at the top edge of the workbench, and the automated assembly line is characterized in that: the hollow discs are uniformly distributed along the circumferential direction of the workbench, the center of the top of the workbench is rotatably connected with a rotating shaft, a grooved pulley is sleeved on the outer wall of the rotating shaft, the top of the workbench is rotatably connected with a disc, the grooved pulley and the disc are matched with each other, a cylindrical pin for stirring the grooved pulley is further arranged at the top and close to the edge of the disc, the disc is driven by a rotating motor, the top of the rotating shaft is fixedly connected with a circular plate, fixing rods are symmetrically arranged at the tops of the circular plates, a cross plate is fixedly connected to the tops of the two groups of fixing rods together, lifting holes are symmetrically formed in the top of the horizontal section of the cross plate, cross frames are symmetrically arranged at two ends of the horizontal section of the cross plate, and L-shaped clamping plates are arranged at corners at the bottom of the horizontal section of the cross frames;

a fixing device is arranged above the workbench and comprises a chute which is formed in the top of the hollow disc and is circumferentially distributed along the outer wall of the hollow disc, a T-shaped sliding block is connected to the inside of the chute in a sliding fit mode, a reset spring is arranged between the side wall of the T-shaped sliding block and the inner wall of the hollow disc, a right-angle plate is arranged at the top of the T-shaped sliding block and is positioned at the top end of the hollow disc, and the surface where the internal corner of the right-angle plate is located is of an arc-shaped structure;

the top of plectane is provided with the push down device, the push down device is including sliding the lifter that sets up at cross top center, the portal frame that the top fixedly connected with opening down of lifter, the bottom of portal frame two sets of vertical sections corresponds the position of cross frame and is provided with the clamp plate, the bottom symmetry of portal frame horizontal segment is provided with the guide rail, the below of guide rail is provided with the rack, both ends symmetry is provided with T type curb plate around the cross vertical section top, rotate through a universal driving shaft between two sets of T type curb plates and be connected with incomplete gear No. one, incomplete gear and wherein a set of rack intermeshing, the one end of a universal driving shaft runs through to the rear end and the fixedly connected with two-way motor of a set of T type curb plate, two-way motor passes through the lateral wall fixed connection of mount pad and T type curb plate.

Preferably, the lateral wall of L type splint has seted up the square hole, and the square hole is linear distribution along the direction of height of L type splint, and the inside horizontal rotation in square hole is provided with the round roller.

Preferably, the corner at right-angle plate top is provided with the guide block, and one side that the guide block is close to the right-angle plate reentrant corner is the inclined plane structure, and the guide block inclined plane reduces to the distance at hollow disk center from last to down gradually.

Preferably, the outside of L type splint is provided with adjustment mechanism, and adjustment mechanism includes that the symmetry sets up the side swash plate in the corner of cross frame horizontal segment bottom, and the lower extreme spiro union of side swash plate lateral wall has adjusting screw, and the upper end of side swash plate lateral wall is rotated and is connected with the guide bar, and adjusting screw all runs through the lateral wall of side swash plate and all is provided with the opening post through the bearing jointly with the end of guide bar, and opening post open-ended lateral wall is connected with the upper end of L type splint outer wall.

Preferably, the below of cross frame is provided with adsorption apparatus structure, and adsorption apparatus structure includes that the symmetry is seted up at the mounting hole that L type splint both sides inner wall and be located square hole below position, and the air groove has all been seted up to the inside that L type splint vertical section and horizontal segment are close to the bottom, and one side that the air groove is close to the mounting hole is provided with the orifice plate, and the inside of orifice plate hole is provided with the sucking disc jointly with the inside of mounting hole, and the air vent has been seted up to one side that the air groove is close to L type splint corner, and the gas-supply pipe is worn to be equipped with in the corner of L type splint bottom.

Preferably, two sets of one side symmetry that the cross plate was kept away from to the cross frame is provided with the Contraband type frame that the opening is relative, and vacuum generator is installed at the top of Contraband type frame below horizontal segment, and vacuum generator's top is provided with the switch, and one side that vacuum generator is close to L type splint is provided with the breather pipe, and the common cover of air-supply pipe outer wall of L type splint below is equipped with the flexible pipe, and the collar extension of flexible pipe and the terminal fixed connection and the intercommunication of breather pipe each other all are provided with the connecting pipe between the inboard of flexible pipe and the outer wall of every group air-supply pipe.

Preferably, a movable screw rod is rotatably connected between the front end and the rear end of the inner wall of the guide rail, a movable sliding block is screwed on the outer wall of the movable screw rod, the movable sliding block is in sliding butt joint with the inside of the guide rail, and the lower end of the movable sliding block is fixedly connected with the top of the rack.

Preferably, two incomplete gears are further rotatably connected between the two T-shaped side plates through a second linkage shaft, the second incomplete gear is meshed with the other group of gear racks, the number of teeth of the first incomplete gear is different from that of the second incomplete gear, and the tail ends of the first linkage shaft and the second linkage shaft penetrate through the side wall of one group of T-shaped side plates and are jointly sleeved with a synchronous belt.

Preferably, it is two sets of the upper and lower both ends symmetry of lateral wall is provided with the support around the dead lever, rotates between two sets of supports of bilateral symmetry and is connected with the transmission shaft, and two sets of transmission shaft outer walls of bilateral symmetry are overlapped jointly and are equipped with the drive belt, and the bottom of cross is run through to the bottom of lifter, and the bottom symmetry of both sides is provided with the gag lever post around the lifter, and one side that the drive belt is close to the gag lever post is provided with takes and puts the board, takes and puts the board upper and lower symmetry and is provided with two sets ofly, and the gag lever post is located two sets of take and puts between the board.

Advantageous effects

1. According to the invention, the outer side of the instrument to be processed can be supported and simultaneously the instrument to be processed can be centered and clamped through the matching between the right-angle plate and the return spring, so that the probability of toppling of the instrument to be processed in the assembling process is reduced, the placing stability of the instrument is favorably increased, the instruments with different sizes can be clamped, and the application range of the fixing device is increased;

2. according to the invention, the shells to be processed can be stacked through the L-shaped clamping plates, so that the labor intensity of manual assembly line material discharging is reduced, the accuracy of butt joint and assembly of the shells and the instruments and the assembly speed are improved, and an ideal production line state of automatic assembly of production of the rack-mounted electronic instrument and instrument is achieved;

3. the vacuum suction device intermittently sucks the sucker, so that the sucker intermittently sucks the side wall of the shell to be processed, the clamping stability of the shell to be processed is improved, the phenomenon that the shell to be processed falls or loosens due to unstable clamping in the rotating process and the blanking process is avoided, and the accuracy of butt joint assembly of the shell and an instrument and the tightness between the shell and the L-shaped clamp plate during stacking are ensured;

4. the invention adjusts the falling distance of the pressure plate through the matching among the rack, the first incomplete gear and the second incomplete gear, so that the distance of the pressure plate falling for one time is equal to the distance of the shell to be processed and the instrument to be processed in butt joint, thereby completing one-time butt joint action when in butt joint assembly, avoiding the phenomenon that the butt joint assembly can be completed only by pressing down for many times when shells with different heights are in butt joint, and being beneficial to improving the butt joint speed of the butt joint assembly and the synchronous operation of a butt joint production line.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an enlarged schematic view of area A of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic view of the cross plate and lifter of the present invention;

FIG. 4 is a schematic view of the construction of the T-shaped side plate and the belt of the present invention;

FIG. 5 is a front view of the present invention;

FIG. 6 is an enlarged schematic view of area B of FIG. 5 in accordance with the present invention;

FIG. 7 is a schematic view of the structure of the L-shaped clamp plate and the opening post of the present invention;

FIG. 8 is a cross-sectional view of an L-shaped splint according to the present invention;

FIG. 9 is a schematic view of the structure of the orifice plate and the air delivery pipe in the present invention;

FIG. 10 is a sectional view of a gas delivery pipe and a flexible pipe in the present invention;

FIG. 11 is an enlarged schematic view of region D of FIG. 10 in accordance with the present invention;

FIG. 12 is a top view of the present invention;

FIG. 13 is an enlarged schematic view of region C of FIG. 12 in accordance with the present invention;

FIG. 14 is a schematic view of the construction of the hollow core disc and the rectangular plate of the present invention;

FIG. 15 is a schematic partial cross-sectional view of a hollow disc according to the present invention.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 15, an automatic assembly line for the production of a rack-mounted electronic instrument comprises a workbench 10 and hollow discs 11 disposed at the top edge of the workbench 10, the hollow discs 11 are uniformly distributed along the circumference of the workbench 10, a rotating shaft 12 is rotatably connected to the top center of the workbench 10, a grooved pulley 13 is sleeved on the outer wall of the rotating shaft 12, a disc 14 is rotatably connected to the top of the workbench 10, the grooved pulley 13 and the disc 14 are matched with each other, a cylindrical pin for shifting the grooved pulley 13 is further disposed at the top of the disc 14 and near the edge, the disc 14 is driven by a rotating motor, the bottom end of the rotating motor is connected to the top of the workbench 10 through a support seat, the top of the rotating shaft 12 is fixedly connected to the circular disc 15, fixing rods 151 are symmetrically disposed at the top of the circular disc 15, a cross plate 16 is fixedly connected to the tops of the two groups of fixing rods 151 together, lifting holes 161 are symmetrically disposed at the top of the horizontal section of the cross plate 16, the two groups of lifting holes 161 are respectively positioned at the outer sides of the two groups of fixing rods 151, the two ends of the horizontal section of the cross plate 16 are symmetrically provided with cross frames 17, the corners of the bottom of the horizontal section of each cross frame 17 are provided with L-shaped clamping plates 18, the side walls of the L-shaped clamping plates 18 are provided with square holes 181, the square holes 181 are linearly distributed along the height direction of the L-shaped clamping plates 18, and the insides of the square holes 181 are transversely and rotatably provided with round rollers 182;

a fixing device 20 is arranged above the workbench 10, the fixing device 20 comprises a chute 21 which is arranged at the top of the hollow disc 11 and is circumferentially distributed along the outer wall of the hollow disc 11, the chute 21 is communicated with the inside of the hollow disc 11, a T-shaped sliding block 22 is connected to the inside of the chute 21 in a sliding fit manner, a reset spring 23 is arranged between the side wall of the T-shaped sliding block 22 and the inner wall of the hollow disc 11, a right-angle plate 24 is arranged at the top of the T-shaped sliding block 22 and is positioned at the top end of the hollow disc 11, the surface where the internal corner of the right-angle plate 24 is located is of an arc-shaped structure, a guide block 241 is arranged at the corner of the top of the right-angle plate 24, one side of the guide block 241, which is close to the internal corner of the right-angle plate 24, is of an inclined plane structure, and the distance from the inclined plane of the guide block 241 to the center of the hollow disc 11 is gradually reduced from top to bottom;

an adjusting mechanism 25 is arranged on the outer side of the L-shaped clamp plate 18, the adjusting mechanism 25 comprises side inclined plates 251 symmetrically arranged at corners of the bottom of the horizontal section of the cross frame 17, the lower ends of the outer side walls of the side inclined plates 251 are in threaded connection with adjusting screws 252, the upper ends of the side walls of the side inclined plates 251 are rotatably connected with guide rods 253, the tail ends of the adjusting screws 252 and the guide rods 253 penetrate through the side walls of the side inclined plates 251 and are provided with opening columns 254 through bearings, and the opening side walls of the opening columns 254 are connected with the upper ends of the outer walls of the L-shaped clamp plate 18;

an adsorption mechanism 26 is arranged below the cross frame 17, the adsorption mechanism 26 comprises mounting holes 261 which are symmetrically arranged on the inner walls of two sides of the L-shaped splint 18 and are positioned below the square hole 181, the mounting holes 261 are linearly distributed along the height direction of the L-shaped splint 18, air grooves 262 are respectively arranged in the vertical section and the horizontal section of the L-shaped splint 18 close to the bottom end, a pore plate 263 is arranged on one side of the air groove 262 close to the mounting hole 261, the holes on the pore plate 263 are in one-to-one correspondence with the mounting holes 261, a suction cup 264 is commonly arranged in the inner part of the pore plate 263 and the inner part of the mounting hole 261, vent holes 265 are arranged on one side of the air groove 262 close to the corners of the L-shaped splint 18, the vent holes 265 are communicated with the air grooves 262, air pipes 266 are arranged at the corners of the bottom of the L-shaped splint 18, the air pipes 266 are positioned below the vent holes 265, Contraband type frames 267 with opposite openings are symmetrically arranged on one sides of the two groups of the cross frame 17 far away from the cross plate 16, contraband vacuum generator 268 is installed at the top of the horizontal section in type frame 267 below, vacuum generator 268's top is provided with the switch, one side that vacuum generator 268 is close to L type splint 18 is provided with breather pipe 2681, the common cover of air pipe 266 outer wall of L type splint 18 below is equipped with flexible pipe 269, the circle mouth of flexible pipe 269 and the terminal fixed connection and the intercommunication of breather pipe 2681, all be provided with connecting pipe 2691 between the inboard of flexible pipe 269 and the outer wall of every group air pipe 266, connecting pipe 2691 communicates each other with flexible pipe 269 and air pipe 266.

When the device works, an instrument to be processed is manually placed at the top of each group of hollow discs 11, the right-angle plate 24 drives the T-shaped sliding block 22 to move outwards along the chute 21 under the action of extrusion force of the instrument, the return spring 23 contracts under the action of extrusion force of the T-shaped sliding block 22, so that the outer side of the instrument to be processed can be supported and simultaneously the instrument to be processed can be centered and clamped, shells to be processed are sequentially stacked and placed between the L-shaped clamping plates 18 of each group through manual operation, so that the shells to be processed can be stacked, the labor intensity of manual assembly line material discharging is reduced, the rotating motor is started to drive the disc 14 to rotate, the cylindrical pin rotates continuously along with the disc 14, when the cylindrical pin does not enter the radial groove of the grooved wheel 13, the inner concave locking arc of the grooved wheel 13 is clamped by the outer concave locking arc of the disc 14, the grooved wheel 13 does not move, and the cylindrical pin enters the radial groove of the grooved wheel 13 at a position, at the moment, the locking arc is just loosened, the grooved pulley 13 is driven by the cylindrical pin to rotate, the reciprocating is carried out, the grooved pulley 13 is driven by the cylindrical pin to rotate in a unidirectional intermittent manner, the circular plate 15 coaxially connected with the grooved pulley 13 also rotates synchronously, the circular plate 15 drives the fixing rod 151 to rotate together, the fixing rod 151 drives the cross plate 16, the cross frame 17 and the L-shaped clamp plate 18 to rotate in an intermittent manner synchronously, and the shell to be processed rotates together with the L-shaped clamp plate 18;

manual rotatory adjusting screw 252, make adjusting screw 252 rotate, opening post 254 drives L type splint 18 and inwards or outwards removes under adjusting screw 252's screw drive and guide bar 253's guide effect, so can adjust the shell of different sizes, its position is also by synchronous calibration, open the switch, start vacuum generator 268, vacuum generator 268 carries out intermittent type suction, vacuum generator 268 sucks the inside of flexible pipe 269 through breather pipe 2681, flexible pipe 269 carries out intermittent type suction through air-supply pipe 266 and air vent 265 to sucking disc 264, make sucking disc 264 treat the lateral wall of processing shell and carry out intermittent type absorption, the stability of treating the processing shell centre gripping has been improved.

The top of the circular plate 15 is provided with a pressing device 30, the pressing device 30 comprises a lifting rod 31 arranged at the center of the top of the cross plate 16 in a sliding manner, the top of the lifting rod 31 is fixedly connected with a portal frame 32 with a downward opening, the bottom ends of two groups of vertical sections of the portal frame 32 are symmetrically provided with pressing plates 321 corresponding to the positions of the vertical sections of the cross frame 17, the bottom of the horizontal section of the portal frame 32 is symmetrically provided with guide rails 33, a moving screw 34 is rotatably connected between the front end and the rear end of the inner wall of the guide rail 33, the outer wall of the moving screw 34 is screwed with a moving slider, the moving slider is in butt joint with the inside of the guide rail 33 in a sliding manner, the lower end of the moving slider is provided with a rack 35, the front end and the rear end of the top of the vertical section of the cross plate 16 are symmetrically provided with T-shaped side plates 36, one end between the two groups of T-shaped side plates 36 and close to the T-shaped side plates 36 is rotatably connected with an incomplete gear 361 through a linkage shaft, and the incomplete gear 361 is meshed with one group of the rack 35, a second incomplete gear 362 is rotatably connected between the two groups of T-shaped side plates 36 and between the two groups of T-shaped side plates 36 through a second linkage shaft, the second incomplete gear 362 is meshed with the other group of teeth 35, the number of teeth of the first incomplete gear 361 and the second incomplete gear 362 is different, the tail ends of the first linkage shaft and the second linkage shaft penetrate through the side wall of one group of T-shaped side plates 36 and are jointly sleeved with a synchronous belt 363, one end of the first linkage shaft penetrates through the rear end of one group of T-shaped side plates 36 and is fixedly connected with a two-way motor, the two-way motor is fixedly connected with the side wall of the T-shaped side plate 36 through a mounting seat, the upper end and the lower end of the front side wall and the lower end of the rear side wall of the two groups of fixing rods 151 are symmetrically provided with brackets 37, a transmission shaft is rotatably connected between the two groups of brackets 37 which are symmetrical left and right, the outer walls of the two groups of transmission shafts which are symmetrical up and down are jointly sleeved with a transmission belt 38, and the bottom end of the lifting rod 31 penetrates through the bottom of the cross plate 16, the bottom ends of the front side and the rear side of the lifting rod 31 are symmetrically provided with limiting rods 311, one side of the transmission belt 38 close to the limiting rods 311 is provided with placing plates 39, the placing plates 39 are arranged in an up-down symmetrical mode and are provided with two groups, and the limiting rods 311 are located between the two groups of placing plates 39.

When the device works, the two-way motor is started to drive the first linkage shaft to rotate, the second linkage shaft rotates along with the first linkage shaft through the synchronous belt 363, the first linkage shaft and the second linkage shaft respectively drive the first incomplete gear 361 and the second incomplete gear 362 to synchronously rotate, the first incomplete gear 361 drives one group of the racks 35 to intermittently move downwards, the racks 35 drive the lifting rod 31 and the portal frame 32 to synchronously move downwards, the limiting rod 311 is driven by the lifting rod 31 to move together and drive the placing plate 39 to synchronously move, the placing plate 39 drives the driving belt 38 to rotate, so that when the first incomplete gear 361 is not meshed with the racks 35, the portal frame 32 cannot continuously move downwards under the supporting action of the placing plate 39, the pressing plate 321 is driven by the portal frame 32 to intermittently move downwards, and therefore, a shell clamped in the L-shaped clamping plate 18 intermittently moves downwards along the side wall of the round roller 182, the rotation of the round roller 182 reduces the friction force when the casing to be processed moves downwards, the casing at the lowest end is in butt joint assembly with the instrument to be processed under the extrusion force of the pressing plate 321, when the casings with different heights need to fall, the pressing plate 321 is moved to the upper part of the cross frame 17, the moving screw 34 is rotated to enable the moving screw 34 to rotate, the rack 35 moves linearly under the guiding action of the guide rail 33 and the screw thread drive of the moving screw 34 along with the moving slide block, at the moment, the positions of the two groups of racks 35 are adjusted, the rack 35 close to one side of the second incomplete gear 362 moves to the position right above the group of lifting holes 161 and is meshed with the second incomplete gear 362, at the moment, the rack 35 close to one side of the first incomplete gear 361 is gradually far away from the first incomplete gear 361, so as to adjust the falling distance of the pressing plate 321 through the matching among the rack 35, the first incomplete gear 361 and the second incomplete gear 362, the distance for lowering the pressing plate 321 once is equal to the distance for butting the housing to be processed and the instrument to be processed.

The working principle is as follows: the meter to be processed is manually placed at the top of each group of hollow discs 11, the right-angle plate 24 drives the T-shaped sliding block 22 to move outwards along the chute 21 under the action of the extrusion force of the meter, the return spring 23 contracts under the action of the extrusion force of the T-shaped sliding block 22, so that the meter to be processed can be centered and clamped while the outer side of the meter to be processed is supported, the probability of toppling of the meter to be processed in the assembling process is reduced, shells to be processed are sequentially stacked and placed between the L-shaped clamping plates 18 of each group through manual work, the shells to be processed can be stacked, the labor intensity of manual assembly line material discharging is reduced, the rotary motor is started to drive the discs 14 to rotate, the cylindrical pin continuously rotates along with the discs 14, and when the cylindrical pin does not enter the radial groove of the grooved wheel 13, the concave locking arc of the grooved wheel 13 is clamped by the outer concave locking arc of the discs 14, therefore, the grooved pulley 13 is not moved, the cylindrical pin just enters the position of the radial groove of the grooved pulley 13, the locking arc is just loosened at the moment, the grooved pulley 13 is driven by the cylindrical pin to rotate, the reciprocating is carried out, the grooved pulley 13 is driven by the cylindrical pin to rotate in a unidirectional intermittent manner, the circular plate 15 coaxially connected with the grooved pulley 13 also rotates synchronously, the circular plate 15 drives the fixing rod 151 to rotate together, the fixing rod 151 drives the cross plate 16, the cross frame 17 and the L-shaped clamp plate 18 to rotate in an intermittent manner synchronously, and the shell to be processed rotates together with the L-shaped clamp plate 18;

the two-way motor is started to drive the first linkage shaft to rotate, the second linkage shaft rotates along with the first linkage shaft through the synchronous belt 363, the first linkage shaft and the second linkage shaft respectively drive the first incomplete gear 361 and the second incomplete gear 362 to rotate synchronously, the first incomplete gear 361 drives one group of racks 35 to intermittently move downwards, the racks 35 drive the lifting rod 31 and the portal frame 32 to synchronously move downwards, the limiting rod 311 is driven by the lifting rod 31 to move together and drive the placing plate 39 to synchronously move, the placing plate 39 drives the transmission belt 38 to rotate, so that when the first incomplete gear 361 is not meshed with the racks 35, the portal frame 32 cannot continuously move downwards under the supporting effect of the placing plate 39, the pressing plate 321 is driven by the portal frame 32 to intermittently move downwards, and therefore, a shell clamped in the L-shaped clamping plate 18 can intermittently move downwards along the side wall of the round roller 182, the rotation of the round roller 182 reduces the friction force when the shell to be processed moves downwards, the shell at the lowest end is in butt joint assembly with the instrument to be processed under the extrusion force action of the pressing plate 321, at the moment, the guide block 241 drives the right-angle plate 24 to move outwards under the extrusion force action of the shell to be processed, and the assembled shell and the instrument can be taken out manually;

the adjusting screw 252 is rotated manually, so that the adjusting screw 252 rotates, the opening column 254 drives the L-shaped clamp plate 18 to move inwards or outwards under the guiding action of the thread drive of the adjusting screw 252 and the guide rod 253, so that shells with different sizes can be adjusted, the positions of the shells are synchronously calibrated, the switch is turned on, the vacuum generator 268 is started, the vacuum generator 268 performs intermittent suction, the vacuum generator 268 performs suction on the inside of the flexible pipe 269 through the vent pipe 2681, the flexible pipe 269 performs intermittent suction on the suction cup 264 through the air pipe 266 and the vent hole 265, the suction cup 264 performs intermittent suction on the side wall of the shell to be processed, and the clamping stability of the shell to be processed is improved;

when shells with different heights need to fall down, the pressing plate 321 is moved to the upper part of the cross frame 17, the movable screw 34 is rotated to enable the movable screw 34 to rotate, the racks 35 make linear motion under the guiding action of the guide rail 33 and the screw thread drive of the movable screw 34 along with the movable sliding block, the positions of the two groups of racks 35 are adjusted at the moment, the racks 35 close to one side of the second incomplete gear 362 are moved to the right upper part of the group of lifting holes 161 and are meshed with the second incomplete gear 362, the racks 35 close to one side of the first incomplete gear 361 are gradually far away from the first incomplete gear 361, the falling distance of the pressing plate 321 is adjusted through the matching among the racks 35, the first incomplete gear 361 and the second incomplete gear 362, and the distance that the pressing plate 321 falls down once is equal to the distance that the shell to be processed and the instrument to be processed are butted.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a dress frame electronic instrument production automation assembly line, this production line includes workstation (10) and sets up hollow dish (11) in workstation (10) top edge, its characterized in that: the hollow discs (11) are uniformly distributed along the circumferential direction of the workbench (10), the top center of the workbench (10) is rotatably connected with a rotating shaft (12), the outer wall of the rotating shaft (12) is sleeved with a grooved pulley (13), the top of the workbench (10) is rotatably connected with a disc (14), the grooved pulley (13) is matched with the disc (14), a cylindrical pin for stirring the grooved pulley (13) is further arranged at the top of the disc (14) close to the edge, the disc (14) is driven by a rotating motor, the top of the rotating shaft (12) is fixedly connected with a circular plate (15), fixing rods (151) are symmetrically arranged at the top of the circular plate (15), a cross plate (16) is fixedly connected at the tops of two groups of fixing rods (151) together, lifting holes (161) are symmetrically arranged at the top of the horizontal section of the cross plate (16), cross frames (17) are symmetrically arranged at two ends of the horizontal section of the cross plate (16), l-shaped clamping plates (18) are arranged at the corners of the bottom of the horizontal section of the cross frame (17);

a fixing device (20) is arranged above the workbench (10), the fixing device (20) comprises a chute (21) which is formed in the top of the hollow disc (11) and is circumferentially distributed along the outer wall of the hollow disc (11), a T-shaped sliding block (22) is connected to the inside of the chute (21) in a sliding fit mode, a reset spring (23) is arranged between the side wall of the T-shaped sliding block (22) and the inner wall of the hollow disc (11), a right-angle plate (24) is arranged at the top of the T-shaped sliding block (22) and is positioned at the top end of the hollow disc (11), and the surface of the right-angle plate (24) where the internal angle is located is of an arc-shaped structure;

the top of the circular plate (15) is provided with a pressing device (30), the pressing device (30) comprises a lifting rod (31) which is arranged at the center of the top of the cross plate (16) in a sliding mode, the top of the lifting rod (31) is fixedly connected with a portal frame (32) with a downward opening, the bottom ends of two groups of vertical sections of the portal frame (32) are provided with pressing plates (321) corresponding to the position of the cross frame (17), the bottom of the horizontal section of the portal frame (32) is symmetrically provided with guide rails (33), racks (35) are arranged below the guide rails (33), the front end and the rear end of the top of the vertical section of the cross plate (16) are symmetrically provided with T-shaped side plates (36), a first incomplete gear (361) is rotationally connected between the two groups of T-shaped side plates (36) through a first linkage shaft, the first incomplete gear (361) is mutually meshed with one group of the racks (35), one end of the first linkage shaft penetrates through the rear end of the group of the T-shaped side plates (36) and is fixedly connected with a two-way motor, the bidirectional motor is fixedly connected with the side wall of the T-shaped side plate (36) through the mounting seat.

2. The automatic assembly line of rack-mounted electronic instrument and meter production of claim 1, wherein: the side wall of the L-shaped clamping plate (18) is provided with a square hole (181), the square hole (181) is linearly distributed along the height direction of the L-shaped clamping plate (18), and a round roller (182) is transversely arranged in the square hole (181) in a rotating mode.

3. The automatic assembly line of rack-mounted electronic instrument and meter production of claim 1, wherein: the corner at right angle board (24) top is provided with guide block (241), and one side that guide block (241) are close to right angle board (24) reentrant corner is the inclined plane structure, and guide block (241) inclined plane to the distance at hollow dish (11) center from last to reducing gradually down.

4. The automatic assembly line of rack-mounted electronic instrument and meter production of claim 1, wherein: the outer side of the L-shaped clamping plate (18) is provided with an adjusting mechanism (25), the adjusting mechanism (25) comprises side inclined plates (251) symmetrically arranged at corners of the bottom of a horizontal section of the cross frame (17), an adjusting screw (252) is screwed at the lower end of the outer side wall of each side inclined plate (251), the upper ends of the side inclined plates (251) are rotatably connected with guide rods (253), the tail ends of the adjusting screw (252) and the guide rods (253) penetrate through the side wall of each side inclined plate (251) and are provided with opening columns (254) through bearings, and the side walls of the openings of the opening columns (254) are connected with the upper ends of the outer walls of the L-shaped clamping plate (18).

5. The automatic assembly line of rack-mounted electronic instrument and meter production of claim 2, wherein: the below of cross frame (17) is provided with adsorption apparatus structure (26), adsorption apparatus structure (26) are seted up at L type splint (18) both sides inner wall and are located mounting hole (261) of square hole (181) below position including the symmetry, air groove (262) have all been seted up to the inside that L type splint (18) vertical section and horizontal segment are close to the bottom, one side that air groove (262) are close to mounting hole (261) is provided with orifice plate (263), the inside in orifice plate (263) hole is provided with sucking disc (264) with the inside of mounting hole (261) jointly, air vent (265) have been seted up to one side that air groove (262) are close to L type splint (18) corner, air-supply pipe (266) are worn to be equipped with in the corner of L type splint (18) bottom.

6. The automatic assembly line of rack-mounted electronic instrument and meter production of claim 5, wherein: two sets of one side symmetry that cruciform frame (17) kept away from cross (16) is provided with Contraband type frame (267) that the opening is relative, vacuum generator (268) are installed at the top of Contraband type frame (267) below horizontal segment, the top of vacuum generator (268) is provided with the switch, one side that vacuum generator (268) are close to L type splint (18) is provided with breather pipe (2681), the common cover of gas-supply pipe (266) outer wall of L type splint (18) below is equipped with flexible pipe (269), the collar of flexible pipe (269) and the terminal fixed connection of breather pipe (2681) and intercommunication each other, all be provided with connecting pipe (2691) between the outer wall of the inboard of flexible pipe (269) and every group gas-supply pipe (266).

7. The automatic assembly line of rack-mounted electronic instrument and meter production of claim 1, wherein: the movable rack is characterized in that a movable screw (34) is rotatably connected between the front end and the rear end of the inner wall of the guide rail (33), a movable sliding block is screwed on the outer wall of the movable screw (34), the movable sliding block is in butt joint with the inside of the guide rail (33) in a sliding manner, and the lower end of the movable sliding block is fixedly connected with the top of the rack (35).

8. The automatic assembly line of rack-mounted electronic instrument and meter production of claim 1, wherein: two sets of still rotate through No. two universal driving shafts between T type curb plate (36) and be connected with No. two incomplete gear (362), No. two incomplete gear (362) and another set of rack (35) intermeshing, and the number of teeth of No. one incomplete gear (361) and No. two incomplete gear (362) is different, and the end of No. one universal driving shaft and No. two universal driving shafts all runs through to the lateral wall of a set of T type curb plate (36) and overlaps jointly and be equipped with hold-in range (363).

9. The automatic assembly line of rack-mounted electronic instrument and meter production of claim 1, wherein: two sets of the upper and lower both ends symmetry of lateral wall is provided with support (37) around dead lever (151), it is connected with the transmission shaft to rotate between two sets of supports (37) of bilateral symmetry, two sets of transmission shaft outer walls of bilateral symmetry are overlapped jointly and are equipped with drive belt (38), the bottom of cross (16) is run through to the bottom of lifter (31), the bottom symmetry of both sides is provided with gag lever post (311) around lifter (31), one side that drive belt (38) are close to gag lever post (311) is provided with puts board (39), it is provided with two sets ofly to put board (39) symmetry from top to bottom, gag lever post (311) are located two sets of boards of putting and take between board (39).