CN113619999A

CN113619999A - Automatic hanging device for to-be-sprayed parts of spraying assembly line

Info

Publication number: CN113619999A
Application number: CN202110717015.XA
Authority: CN
Inventors: 项乐宏; 孙海光; 王帅; 庄兴煜
Original assignee: Loctek Ergonomic Technology Co Ltd
Current assignee: Loctek Ergonomic Technology Co Ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-11-09
Anticipated expiration: 2041-06-28
Also published as: CN113619999B

Abstract

The invention discloses an automatic hanging device for a piece to be sprayed of a spraying assembly line, which comprises a rack, a clamping mechanism, a hanging mechanism and a conveying mechanism, wherein the clamping mechanism is used for elastically clamping two free ends of an elastic hook in two hanging holes on the piece to be sprayed; the upper hanging mechanism is used for pushing a hook which is hung on the free end of the hanging pin and connected with a piece to be sprayed to be hung on a hanging hook on the material conveying mechanism; conveying mechanism sets up between fortune material mechanism and frame, is equipped with the location frock that supplies to treat the vertical connection of spraying piece on it, conveyor can be with treating that the spraying piece is carried to last card mechanism, and can have hung the spraying piece of treating that has connect elastic hook with last card mechanism and carry to hanging the mechanism. This spraying assembly line wait to spray automatic hanging device of piece need not manual operation, degree of automation height, save time, laborsaving and work efficiency height.

Description

Automatic hanging device for to-be-sprayed parts of spraying assembly line

Technical Field

The invention relates to the technical field of spraying assembly line equipment, in particular to an automatic hanging device for a piece to be sprayed of a spraying assembly line.

Background

In the manufacturing process of the lifting table, plastic spraying treatment needs to be carried out on the surfaces of metal parts such as a table frame, table legs and the like of the lifting table so as to prevent the surfaces of the metal parts from rusting. At present, plastic spraying of metal parts of a lifting table is generally carried out on a spraying production line, and the spraying production line generally comprises the process steps of feeding, conveying, cleaning, drying, plastic spraying and the like; taking the table leg plastic spraying as an example, the feeding generally means that a V-shaped hook is manually clamped on the table leg to be sprayed, then the hook on the table leg to be sprayed is hung on a conveying hook of a material conveying mechanism, and the table leg is conveyed to the next procedure by a material conveying device. The V-shaped hook is an elastic V-shaped hook bent by a steel bar, and two free ends of the hook are bent outwards to form a hanging part for hanging and connecting with a table leg to be sprayed; the common spraying assembly line needs at least four workers to install the hook, namely, two free ends of the hook are clamped in two technical holes in two parallel side walls at one end of a table leg to be sprayed. The installation of the hook is manual, so that more labor is consumed, and the efficiency is lower; when the material conveying device is hung, hanging vacant positions often appear, so that the production efficiency is low, and the requirement of batch production cannot be met; moreover, when the hook is installed on the table leg to be sprayed, the two ends of the hook are forced to be compressed inwards, then the hook extends into the inner hole of the table leg, and the two ends of the hook are clamped in the technical holes of the table leg, so that the operation is troublesome and laborious. After the hook is hooked with the to-be-sprayed part, the to-be-sprayed part connected with the hook is hung on the hanging hook of the material conveying mechanism, the operation is also manually operated, namely, the to-be-sprayed part hung with the V-shaped hook is hung on the hanging hook of the material conveying mechanism manually, and the V-shaped hook and the hanging hook on the to-be-sprayed part are hung. Because the transmission speed of the conveying belt is high, the hanging operation of the piece to be sprayed generally needs three to four workers to carry out uninterrupted hanging operation, the labor intensity is high, the hanging efficiency is low, and the phenomenon of hanging missing can also occur; therefore, the manual hanging of the pieces to be sprayed cannot meet the requirement of mass production.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defects of the prior art and provides an automatic hanging device for a piece to be sprayed of a spraying assembly line, which does not need manual operation, has high automation degree, saves time and labor and has high working efficiency.

The technical scheme of the invention is to provide an automatic hanging device for a piece to be sprayed, which has the following structure and is used for a spraying assembly line:

it comprises

The rack is arranged on one side of the material conveying mechanism hanging hook;

the upper clamping mechanism comprises a hook box which is connected on the frame and can automatically output an elastic hook, a positioning piece which can stretch into an inner hole of a piece to be sprayed and a pressing plate which can slide up and down, wherein the positioning piece is provided with a compression groove communicated with the output end of the hook box;

the upper hanging mechanism comprises a feeding belt which is in transmission connection with the rack, the feeding belt is connected with a plurality of hanging pins which are distributed along the length direction of the feeding belt, and the hanging pins are in sliding fit on the feeding belt along the axial direction; the pushing mechanism is connected to the rack at the feeding end of the feeding belt and used for pushing the tail end of the hanging pin passing through the feeding end to enable the free end of the hanging pin to extend outwards and be inserted and connected to an elastic hook on a piece to be sprayed; the upper hanging mechanism also comprises an upper hanging push block which is in sliding fit with the rack, and the sliding direction of the upper hanging push block is parallel to the length direction of the hanging pin and is used for pushing a hook which is hung on the free end of the hanging pin and is connected with a piece to be sprayed to be hung on a hanging hook on the material conveying mechanism;

conveying mechanism sets up between fortune material mechanism and frame, is equipped with the location frock that supplies to treat the vertical connection of spraying piece on it, conveyor can be with treating that the spraying piece is carried to last card mechanism, and can have hung the spraying piece of treating that has connect elastic hook with last card mechanism and carry to hanging the mechanism.

After the structure is adopted, compared with the prior art, the automatic hanging device for the piece to be sprayed of the spraying assembly line has the following advantages: this spraying assembly line treat that the spraying piece is automatic goes up to hang the device, utilize conveyor will treat that the spraying piece carries to last card mechanism, construct elastic hook joint in treating the hanging hole on the spraying piece by last card mechanism, the spraying piece of treating that will articulate elastic hook by conveyor again carries to last string mechanism, the last hanging pin of going up on the material area of string mechanism has hung the spraying piece of treating that has elastic hook on with conveyor and takes out and carry to supreme string ejector pad department one by one, the spraying piece of treating that will hang the elastic hook that articulates on the pin by last string ejector pad promotes and breaks away from behind the hanging pin to fortune material mechanism direction and articulates on fortune material mechanism hanging hook. The upper clamping mechanism clamps the elastic hook in the hanging hole of the piece to be sprayed, namely, a positioning piece which can extend into an inner hole at the upper end of the piece to be sprayed is arranged on the machine frame, and two notches of a compression groove on the positioning piece are respectively aligned with two hanging holes on the piece to be sprayed; the pressing plate moves downwards and drives the elastic hook to move downwards and slide into the compression groove of the positioning piece, two free ends of the elastic hook slide in the compression groove and are compressed inwards at the same time, and when the two free ends of the elastic hook slide to two notches at the lower end of the compression groove, the two free ends of the elastic hook are elastically clamped in the two notches; at the moment, the pressing plate moves upwards to separate from the compression elastic hook and reset, the pressing plate relieves the limitation on the two free ends of the elastic hook, the two free ends of the elastic hook continuously stretch outwards to reset and are clamped into the two hanging holes on the piece to be sprayed, so that the automatic clamping operation of the elastic hook is completed, namely the elastic hook can be automatically clamped into the hanging holes on the piece to be sprayed after being compressed and deformed; the whole process of hanging of waiting to spray the elastic hook of piece and waiting to spray piece and fortune material mechanism string material hook all need not manual operation, not only makes the last card operation of elastic hook save time, laborsaving and elastic hook joint efficient, makes hanging easy operation, convenience, saving time, laborsaving and work efficiency height on waiting to spray the piece moreover to can satisfy the demand of spraying assembly line.

Preferably, a hook conveying channel for enabling the elastic hooks to be vertically arranged side by side is arranged in the hook box, an inlet communicated with the hook conveying channel is formed in one end of the hook box, an outlet communicated with the hook conveying channel is formed in the other end of the hook box, and a first driving mechanism for driving the elastic hooks to move towards the outlet along the hook conveying channel is arranged in the hook box. Set up like this, can place the elasticity couple vertically side by side in couple transfer passage, drive the elasticity couple by a actuating mechanism and remove to the exit to realize the automatic transport of elasticity couple, need not artifical on duty, improve elasticity couple's the efficiency of blocking.

Preferably, the hook box comprises a shell and a guide support arranged in the shell, and the hook conveying channel is formed between the inner wall of the shell and the guide support; the guide bracket on connect a guide arm that sets up along couple transfer passage length direction, the guide arm on sliding fit a slider, the slider on connect a ejector pad subassembly, the ejector pad subassembly be used for pushing away the elastic hook on the guide bracket to export direction, a actuating mechanism be connected with the slider for the drive slider slides. A plurality of elastic hooks are vertically arranged in the hook box side by side, when the elastic hooks are used for feeding, the driving mechanism drives the sliding piece to slide towards the outlet, so that the pushing block assembly drives the elastic hooks on the guide support to move towards the outlet, and the elastic hooks are fed freely.

Preferably, one end of the guide bracket close to the inlet extends outwards and is arranged on the outer side of the shell and forms a guiding part for placing the elastic hook. This leading-in portion can conveniently place the elastic hook side by side in the leading-in portion in advance, then with elastic hook from the entrance push conveying channel, makes things convenient for elastic hook's installation.

Preferably, positioning rods arranged along the length direction of the hook conveying channel are connected to the two inner side walls of the shell, one end, far away from the outlet, of each positioning rod extends outwards and is arranged on the outer side of the shell, and the inlet is formed between the positioning rods and the guiding-in part; the one end that the locating lever kept away from the export is equipped with the direction mouth that supplies the installation of elastic hook, the distance of direction mouth outer end to leading-in portion is greater than the distance of direction mouth inner end to leading-in portion. By the arrangement, the elastic hook on the guide-in part can conveniently enter the conveying channel through the guide opening.

Preferably, a containing groove for the elastic hook at the outlet to enter is formed in the surface of one side, close to the outlet, of the pressure plate, two pressing blocks matched with the two free ends of the elastic hook are arranged on the two sides of the lower end of the containing groove, and the lower ends of the two pressing blocks can drive the two free ends of the elastic hook to enter the compression groove when the pressure plate slides downwards. The elastic hook in the hook box enters the accommodating groove through the outlet, when the pressing plate moves downwards, the accommodating groove drives the elastic hook to move downwards, and when the pressing plate moves downwards, the pressing blocks on two sides of the lower end of the accommodating groove are pressed on two free ends of the elastic hook to drive the elastic hook to slide downwards into the compression groove, so that the elastic hook is prevented from deviating when moving downwards, and compression can be smoothly completed in the compression groove.

Preferably, the outlet of the hook box is connected with a support plate which is vertically arranged, the support plate is provided with a guide outlet which is matched with the shape of the elastic hook and is communicated with the outlet, the support plate is matched with a slide block in a sliding way in the height direction, the press plate is connected with the slide block and moves synchronously with the slide block, and the press plate is attached to the outer side wall of the support plate; the supporting plate is connected with a compression cylinder, and the free end of a piston rod of the compression cylinder is connected with the sliding block and used for driving the sliding block to move. The setting of export is led the effect, avoids elastic hook skew or entanglement when coming out from the export.

Preferably, the support plate outside the outlet is connected with two guide plates which are vertically arranged, and the slide block is in sliding fit with the guide plates; the inner side walls of the two guide plates below the guide outlet are set to be compression inclined planes with wide upper parts and narrow lower parts, and the lower ends of the compression inclined planes are in smooth transition with the upper ends of the compression grooves. The compression inclined plane on the inner side wall of the guide plate plays a role in guiding and compressing, and the lower end of the elastic hook can conveniently slide into the compression groove.

Preferably, the number of the compression grooves is two, and the two compression grooves are respectively arranged corresponding to the two free ends of the elastic hook; the two gaps are respectively arranged on the outer side walls of the lower ends of the two compression grooves; the inside walls of the two compression grooves are both in a horn shape with the upper part wide and the lower part narrow. The elastic hook is reasonable in structural design and convenient to compress after entering.

Preferably, the rack is connected with a driving cylinder matched with the positioning piece, a piston rod of the driving cylinder is connected with the positioning piece and used for driving the positioning piece to move, and when the two free ends of the elastic hook are clamped in the two hanging holes on the piece to be sprayed, the driving cylinder drives the positioning piece to move, so that the compression groove is separated from the elastic hook. When two free ends of the elastic hook are clamped in two hanging holes on the part to be sprayed, part of the two free ends of the elastic hook is still located in the notch of the compression groove, the driving cylinder drives the positioning piece to retract inwards, so that the notch of the compression groove is separated from the two free ends of the elastic hook, and the part to be sprayed, which is conveniently hooked with the elastic hook, is moved downwards to separate from the clamping mechanism.

Preferably, the machine frame is provided with a stop structure for the upper end of the piece to be sprayed to abut against; the lifting mechanism is arranged below the conveying device and provided with a top plate capable of moving up and down, the top plate can drive the conveying device to move upwards to separate the conveying device and enable the upper end of the piece to be sprayed to be abutted against the stop structure when the top plate moves upwards, and the top plate can enable the positioning tool to be placed on the conveying device when the positioning tool for bearing the piece to be sprayed moves downwards. The roof of lifting mechanism can drive the location frock upward movement that bears the weight of waiting to spray the piece on conveyor in order to break away from conveyor and make and wait to spray the piece upper end and end the bit architecture and offset when upward movement to the completion waits the location of spraying the piece, so that carry out the joint process of elastic hook on waiting to spray the piece.

Preferably, the position stopping structure comprises a fixed block connected to the rack, and the bottom of the inner end of the fixed block is provided with a concave abutting part for abutting against the upper end of the piece to be sprayed; the fixed block on be equipped with the spout that supports the portion and communicate, the spout sliding fit a sliding block, be connected an elastic component between the tail end of sliding block and the fixed block, the free end of sliding block is located supporting the portion under the elastic component is in free state and the free end of sliding block has the top that supplies spraying piece upper end to support and pushes up the inclined plane. Treat that the spraying member upper end upwards supports when leaning on the inclined plane of sliding block free end, the elasticity that the elastic component was overcome to the drive sliding block retreats, supports when treating that the spraying member upper end supports completely and leans on the portion of supporting of fixed block, and the spraying member is treated in the inside extrusion of sliding block free end under the elasticity of elastic component to the upper end location that makes to treat the spraying member is accurate, further ensures to treat that the hanging hole of spraying member upper end aligns with two breachs of compression groove lower extreme accurately.

Preferably, the spraying device further comprises a holding mechanism, the holding mechanism is arranged on the rack below the positioning piece, the holding mechanism comprises a holding cylinder and two holding claws, the holding cylinder is connected with the two holding claws and is used for driving the two holding claws to open or close, and the two holding claws can clamp the piece to be sprayed in a closed state; the inner side walls of the two holding claws can be rotatably connected with friction rollers, and the friction rollers can be attached to the outer side wall of the piece to be sprayed when the two holding claws are in a closed state. The clasping mechanism is used for clasping the piece to be sprayed, and plays a role in ensuring that the two free ends of the elastic hook are smoothly clamped into the hanging hole of the piece to be sprayed; the setting up of this friction roller plays the effect of holding tightly waiting to spray the piece on the one hand, and on the other hand can conveniently wait to spray the piece rebound adjusting position.

Preferably, the lifting mechanism comprises a lifting cylinder vertically arranged below the conveying device, the top plate is connected to the upper end of a piston rod of the lifting cylinder and located below the positioning tool on the conveying device, two protective plates which extend upwards and are located on the outer side of the conveying device are connected to two side walls of the top plate, the upper ends of the two protective plates are bent inwards to form two bending portions located above the conveying device, and a space for the positioning tool to pass through is formed between the bending portions and the upper surface of the conveying device. When the positioning tool bearing the piece to be sprayed is conveyed to a preset position through the conveying device, the lifting cylinder drives the top plate and the two guard plates to ascend upwards at the same time, so that the positioning tool is separated from the conveying device, and in the process that the positioning tool is separated from the conveying device, the bending portion is located above the positioning tool and can prevent the positioning tool from toppling over due to uneven stress in the ascending process.

Preferably, the top of the top plate is provided with at least one positioning column which is convex upwards and is matched and spliced with the positioning hole at the bottom of the positioning tool. The roof upwards drives the in-process that the location frock rises, and the reference column on the roof is pegged graft in the locating hole of location frock bottom, can avoid like this to fix a position the in-process aversion that the frock is ascending to it is more accurate to make the spraying piece location of treating on the location frock.

Preferably, the feeding belt sequentially comprises a lifting transmission part and a horizontal transmission part along the transmission direction, and the lower end of the lifting transmission part is set as the feeding end; the hanging pin is matched with the height of the hanging hook on the material conveying mechanism when moving to the horizontal transmission part. The process of elastic hook and treating the spraying part joint and the process of hanging on that the hanging hook connects that treating the spraying part and hanging the material hook that will articulate elastic hook can be taken into account simultaneously in the setting of the promotion transmission portion and the horizontal drive portion in material loading area, because the process position that the material hook was hung to fortune material mechanism highly higher and carry out elastic hook and treat the spraying part joint is lower, in addition, the setting that promotes transmission portion and horizontal drive portion makes and treats that the spraying part promotes high horizontal migration again earlier, it makes it and fortune material mechanism's the speed phase-match of transporting to have enough time to carry out the speed control in material loading area like this.

Preferably, the feeding belt is connected with a plurality of bases distributed along the length direction of the feeding belt, each base is provided with a guide through hole, the hanging pin is in sliding fit in the guide through hole, and the tail end of the hanging pin is provided with a radial limiting bulge with the outer diameter larger than the inner diameter of the guide through hole. Set up like this, conveniently hang the round pin and follow endwise slip, can hang the couple that connects the spraying piece of treating when hanging the round pin and stretching out supporting platform, hang the spraying piece of treating on the round pin and articulate back on hanging the material hook, should hang round pin accessible guiding hole and inwards slide, make and hang round pin withdrawal supporting platform.

Preferably, the pushing mechanism is a pushing cylinder connected to the frame, and a piston rod of the pushing cylinder can push the tail end of the hanging pin when extending out, so that the free end of the hanging pin extends out of the frame and is inserted into a hook on the piece to be sprayed. The piston rod of the pushing cylinder pushes the tail end of the hanging pin, so that the free end of the hanging pin can be inserted on a hook on the piece to be sprayed, and the effect of hanging the piece to be sprayed is achieved.

Preferably, the free end of the upper hanging push block is connected with a push plate, the bottom of the push plate is attached to the top of the free end of the hanging pin, and the push plate extends along the length direction of the upper material belt. When the couple on treating the spraying part articulates on the peg, the couple can the protrusion set up at the top of hanging the peg, treat on the spraying part when hanging, the push pedal promotes to hang the couple at round pin top and to hang the material hook direction motion until will get in touch and push away to articulate on hanging the material hook, its structure sets up simply, and this push pedal can once promote a plurality of couples and articulate simultaneously on hanging the material hook, improves the efficiency of hanging.

Preferably, the material conveying mechanism further comprises a positioning support, a positioning plate is connected to the positioning support, the positioning plate is horizontally opposite to the push plate, and a positioning channel for a material hanging hook on the material conveying mechanism to pass through is arranged between the positioning plate and the push plate. This locating plate setting can form the location passageway that supplies to hang the material hook and pass through between locating plate and push pedal, hangs the material hook and can prevent to hang the material hook swing through location passageway, and the push pedal pushes away to hanging when the material hooks the couple of treating the spraying part, and this locating plate also can prevent to hang material hook swing from the beginning to the end to make the couple can accurately push away to hanging on the material hook, in order to accomplish and hang the operation.

Preferably, the first end of the positioning plate is provided with an outward inclined guide end for guiding the hook into the positioning channel. The leading-in end of this locating plate sets up, can make the last string material hook of fortune material mechanism can be smooth, get into the location passageway in proper order, and the opening that gets into the hook after the location passageway all can the tilt up to hang on the couple of treating the spraying piece conveniently.

Preferably, the spraying device further comprises a resetting mechanism, wherein the resetting mechanism is arranged on one side of the upper material belt, which is far away from the upper hanging and pushing block, and is used for retracting the free end of the hanging pin into the rack after the to-be-sprayed part is separated from the hanging pin; the reset mechanism comprises a guide piece connected to the rack, the guide piece extends along the transmission direction of the feeding belt, and the guide piece gradually deviates from the feeding belt along the transmission direction of the feeding belt; when the hanging pin in the extending state on the feeding belt passes through the guide piece, the radial limiting bulge at the tail end of the hanging pin is clamped outside the guide piece, and the free end of the hanging pin can be retracted into the rack after the hanging pin passes through the guide piece. The reset mechanism is favorable for retracting the free end of the hanging pin to the supporting platform after the piece to be sprayed is separated from the hanging pin, so that the hanging pin can conveniently clamp the hook of the piece to be sprayed next time, and the whole reset process does not need manual guard and operation; specifically, when the hanging pin in the extending state on the feeding belt passes through the guide piece, the radial limiting bulge at the tail end of the hanging pin is clamped on the outer side of the guide piece, and along with the movement of the hanging pin, the guide piece enables the hanging pin to slide towards the tail end until the tail end of the hanging pin is separated from the guide piece.

Preferably, an arc guide board is connected to the front end of guide, the guide board sets up in the turn department in last material area, and when hanging the round pin through the guide board, the radial spacing arch card of hanging the round pin tail end is established in the guide board outside and through guide board slidable to the guide on. The arc-shaped guide plate plays a role in guiding the tail end of the hanging pin to the guide piece, so that each hanging pin can be normally reset.

Preferably, the device further comprises an extension mechanism, the extension mechanism is arranged behind the pushing mechanism along the transmission direction of the feeding belt, the extension mechanism comprises a compression piece which extends along the transmission direction of the feeding belt, the compression piece is gradually close to the feeding belt along the transmission direction of the feeding belt, when the hanging pin in a retraction state on the feeding belt passes through the compression piece, the tail end of the hanging pin is abutted against the inner wall of the compression piece, and the free end of the hanging pin can extend out of the rack after the hanging pin passes through the compression piece. The extending mechanism is arranged to prevent the free end of the hanging pin from automatically extending outwards when the pushing mechanism does not push the hanging pin outwards, and particularly, under the condition that the pushing mechanism is pushed in a missing manner, the tail end of the hanging pin pushed in the missing manner is compressed by the compression piece in the moving process to enable the free end of the hanging pin to automatically extend outwards; in addition, the compression piece can also prevent the hanging pin hanging the hook of the piece to be sprayed from accidentally retracting in the rising process, so that the piece to be sprayed is ensured to be lifted smoothly.

Preferably, the feeding device further comprises a controller and a detection unit, wherein the detection unit is used for detecting the material conveying speed of the material conveying mechanism and feeding a speed signal back to the controller, and the controller is used for controlling the transmission speed of the feeding belt, so that the transmission speed of the feeding belt is matched with the material conveying speed of the material conveying mechanism. Because the fortune material mechanism opens at every turn and stops or long-time work all can lead to transmission speed different, detecting element is used for detecting the fortune material speed of fortune material mechanism to make the controller control a actuating mechanism's rotational speed, make the transmission speed in material loading area and the fortune material speed phase-match of fortune material mechanism, thereby guarantee on hang the couple that the ejector pad can be accurate will treat that the spraying part is pushed away to hanging on the material hook.

Preferably, the rack below the feeding belt is provided with a guide rail arranged along the length direction of the feeding belt, the base is in sliding fit in the guide rail, and the base is connected with a roller in sliding fit with the guide rail. The limit matching of the base and the guide rail enables the operation of the hanging pin on the base to be more stable.

Preferably, the side wall of the free end of the hanging pin is a conical surface with a large outer part and a small inner part. Set up like this, on the one hand can avoid hanging the in-process that the round pin removed and treating the couple on the spraying piece and break away from hanging the round pin, on the other hand also can avoid hanging the round pin and break away from the guiding through hole, when the push pedal pushed away the couple on the round pin, made the couple upwards lift slightly then can articulate smoothly on hanging the material hook moreover.

Drawings

FIG. 1 is a schematic structural view of an automatic hanging device for a member to be sprayed of a spraying line according to the present invention

Fig. 2 is a schematic overall structure diagram of a clamping mechanism of the automatic hanging device for the piece to be sprayed of the spraying assembly line.

Fig. 3 is a schematic structural diagram of a clamping mechanism of the automatic hanging device for the piece to be sprayed of the spraying assembly line.

Fig. 4 is another angle structure diagram of the clamping mechanism of the automatic hanging device for the piece to be sprayed of the spraying assembly line of the invention.

Fig. 5 is a schematic sectional structural view of a clamping mechanism of the automatic hanging device for the piece to be sprayed of the spraying assembly line.

Fig. 6 is a schematic view of a partial assembly structure of the automatic hanging device for the to-be-sprayed parts of the spraying line.

FIG. 7 is a schematic sectional view of a compression groove of the automatic hanging device for the workpiece to be sprayed of the spraying line of the present invention.

FIG. 8 is a schematic structural view of a hook box of the automatic hanging device for the to-be-sprayed parts on the spraying line of the present invention.

FIG. 9 is a schematic view of the internal structure of the hook box of the automatic hanging device for the object to be sprayed in the spraying line of the present invention.

FIG. 10 is a schematic structural diagram of a pressing plate of the automatic hanging device for the workpiece to be painted of the painting line of the present invention.

Fig. 11 is a schematic structural diagram of a stop structure of an automatic hanging device for a to-be-sprayed member in a spraying line according to the present invention.

Fig. 12 is a schematic structural diagram of a lifting mechanism of an automatic hanging device for a to-be-sprayed member in a spraying assembly line.

Fig. 13 is a schematic cross-sectional view of the lifting mechanism of the automatic hanging device for the to-be-sprayed parts in the spraying line of the present invention.

FIG. 14 is a schematic view of the overall structure of the hanging mechanism of the automatic hanging device for the workpiece to be painted of the painting line of the present invention

Fig. 15 is a schematic view of the internal structure of the hanging mechanism of the automatic hanging device for the to-be-sprayed parts in the spraying line.

Fig. 16 is a schematic structural diagram of a hanging mechanism of an automatic hanging device for a to-be-sprayed member in a spraying line according to the present invention.

Fig. 17 is another angle structure diagram of the hanging mechanism of the automatic hanging device for the to-be-sprayed parts of the spraying assembly line.

FIG. 18 is a schematic structural diagram of a protruding mechanism of an automatic hanging device for a to-be-sprayed member in a spraying line according to the present invention.

Fig. 19 is a schematic view of the overall structure of the hanging assembly of the automatic hanging device for the to-be-sprayed parts in the spraying line of the present invention.

Fig. 20 is a schematic view of a hanging pin structure of a hanging mechanism of an automatic hanging device for a to-be-sprayed member in a spraying assembly line.

As shown in the figure:

1. a frame 100, a support frame 101, a support platform 2, a hook box 200, a guide support 201, a shell 202, a first driving mechanism 203, a guide rod 204, a sliding piece 205, a push block component 206, an inlet 207, an outlet 208, a stopper 209, a positioning rod 210, a leading-in part 3, a positioning piece 300, a compression groove 301, a notch 302, a driving cylinder 4, a compression mechanism 400, a compression cylinder 401 and a sliding block,

402. a pressing plate, 403, a containing groove, 404, a pressing block, 5, a holding mechanism, 500, a holding cylinder, 501, a holding claw, 502, a friction roller, 6, a conveying device, 600, a conveying belt, 601, a support, 602, a space, 7, a lifting mechanism, 700, a lifting cylinder, 701, a top plate, 702, a positioning column, 703, a protective plate, 704 and a bending part,

8. positioning tooling 800, positioning holes 9, a support plate 900, a guide outlet 901, a guide plate 902, a compression inclined plane 10, an elastic hook 11, a leaning part 1100, a fixing block 1101, a sliding groove 1102 and a sliding block,

1103. pushing inclined plane 1104, elastic piece 12, feeding mechanism 1200, feeding belt 1201, second driving mechanism 1202, first driving wheel 1203, second driving wheel 1204, third driving wheel 1205, lifting driving part 1206, horizontal driving part 1207, hanging pin 1208, base 1209, guiding through hole 1210, and guiding through hole 1210,

A radial limit bulge 1211, a fourth driving wheel 1212, a roller 1213, a conical surface 1214, a connecting plate,

1215. a guide rail 1216, an upper guide rod 1217, a lower guide rod 1218, a driving gear 1219, a driven gear,

13. pushing mechanism, 14, hanging component, 1400, hanging pushing block, 1401, third driving mechanism, 1402,

A push plate 1403, a slide rail 15, a positioning bracket 1500, a positioning plate 1501, a leading-in end 16 and a guiding piece,

1600. guide plate, 17, compression member.

Detailed Description

The invention is described in further detail below with reference to the figures and specific examples.

Referring to fig. 1, the automatic hanging device for the to-be-sprayed parts of the spraying assembly line comprises a rack 1 arranged on one side of a material hanging hook of a material conveying mechanism, wherein the material conveying mechanism generally comprises a material conveying belt, and drooping material hanging hooks are connected to the material conveying belt at equal intervals. The rack 1 may be an integral rack or a split rack, the rack in this embodiment includes a support frame 100 and a support platform 101, the support frame 100 is used for supporting the upper clamping mechanism, and the support platform 101 is used for supporting the upper hanging mechanism.

Referring to fig. 2 to 6, the upper clamping mechanism is connected to the support frame 101, the top of the support frame 101 is connected to the hook box 2, a hook conveying channel for vertically arranging the elastic hooks 10 side by side is arranged in the hook box 2, an inlet 206 communicated with the hook conveying channel is arranged at one end of the hook box 2, an outlet 207 communicated with the hook conveying channel is arranged at the other end of the hook box 2, and a first driving mechanism 202 for driving the elastic hooks 10 to move to the outlet 207 along the hook conveying channel is arranged in the hook box 2; the elastic hook 10 is generally in a bent V shape, and two free ends of the elastic hook 10 are bent outwards to form a hanging part capable of being hung in a hanging hole of a piece to be sprayed. The first driving mechanism 202 is a cylinder, and a rodless cylinder is used in the present embodiment. When the elastic hook 10 is installed, the elastic hooks 10 are sequentially and parallelly installed into the hook conveying channel from the inlet 206 at one end of the hook box 2, and the driving mechanism 202 drives the elastic hooks 10 in the hook box 2 to move towards the outlet 207 along the hook conveying channel.

Referring to fig. 7 and 8, the hook magazine 2 includes a housing 201 and a guide bracket 200 disposed in the housing 201, and the hook conveying passage is formed between the inner wall of the housing 201 and the guide bracket 200; the guide bracket 200 is connected with a guide rod 203 arranged along the length direction of the hook conveying channel, the guide rod 203 is matched with a sliding part 204 in a sliding way, the sliding part 204 is connected with a push block assembly 205, the push block assembly 205 is used for pushing the elastic hook 10 on the guide bracket 200 towards the outlet 207 direction, and the driving mechanism 202 is connected with the sliding part 204 and used for driving the sliding part 204 to slide. The push block assembly 205 comprises an upper push block and a lower push block which are connected with the sliding piece 204, the upper push block and the lower push block are sequentially arranged along the height direction of the guide support 200, blocking pieces 208 can be rotatably connected to two sides of the upper push block and the lower push block, and a spring is arranged between the inner side of each blocking piece 208 and the push block assembly 205; when the elastic hook 10 is put in from the inlet 206 of the hook box 2, the stopper 208 is pressed inwards against the elastic force of the spring, when the elastic hook 10 is put in the hook conveying channel, the stopper 208 closes the inlet 206 under the elastic force of the spring, and the stopper 208 drives the elastic hook 10 to move towards the outlet 207 along with the pushing block assembly 205.

Further, one end of the guide bracket 200 near the inlet 206 extends outward and is disposed outside the housing 201 and forms an introduction portion 210 for the elastic hook 10 to be placed. The leading-in part 210 can facilitate placing the elastic hooks 10 on the leading-in part 210 side by side in advance, and then pushing the elastic hooks 10 into the hook conveying channel from the inlet 206, so as to facilitate the installation of the elastic hooks 10. Both inside walls of the shell 201 are connected with positioning rods 209 arranged along the length direction of the hook conveying channel, and one end of each positioning rod 209 far away from the outlet 207 is provided with a guide opening for installing the elastic hook 10. The distance from the outer end of the pilot port to the lead-in portion 210 is greater than the distance from the inner end of the pilot port to the lead-in portion 210. The positioning rod 209 is arranged in such a way to play a guiding role, so as to avoid the deviation or dislocation of the elastic hook 10 during the movement process. The guide opening is formed in a horn shape with a wide outer part and a narrow inner part, so that the elastic hook 10 can conveniently enter the hook box 2 from the inlet 206.

Referring to fig. 6 and 7, a positioning member 3 is arranged on the frame 1 below the outlet 207 of the hook box 2, the positioning member 3 has an extending portion which extends downward and can extend into an inner hole of a member to be sprayed, a compression groove 300 communicated with the outlet 207 is arranged on the extending portion, and the compression groove 300 can inwardly extrude two free ends of the elastic hook 10 when the elastic hook 10 is pressed in from top to bottom; two notches 301 are arranged on two outer side walls at the lower end of the compression groove 300, and the two notches 301 are respectively communicated with the compression groove 300 and can be respectively aligned with two hanging holes on a piece to be sprayed; in this embodiment, the number of the compression grooves 300 is two, and the two compression grooves 300 are respectively disposed corresponding to two free ends of the elastic hook 10; the two gaps 301 are respectively arranged on the outer side walls of the lower ends of the two compression grooves 300; the inner side walls of the two compression grooves 300 are both formed in a horn shape with a wide top and a narrow bottom. When the elastic hook 10 enters the compression groove 300 from top to bottom, the two free ends of the elastic hook 10 elastically contract inwards by the extrusion of the inner side wall of the compression groove 300, so as to provide power for automatically resetting and clamping.

Referring to fig. 5 to 7 and 10 again, the locking mechanism further includes a compression mechanism 4 having a pressing plate 402 capable of sliding up and down, the pressing plate 402 is used to press the elastic hook 10 at the outlet 207 into the compression slot 300 and to be locked into the two notches 301 when the two free ends of the elastic hook 10 are aligned with the two notches 301 respectively, and when the pressing plate 402 slides up and is separated from the extruded elastic hook 10, the two free ends of the elastic hook 10 are elastically restored to be locked into the two hanging holes on the member to be sprayed. When the automatic clamping device of the elastic hook 10 of the spraying assembly line is used, the pressing plate 402 on the compression mechanism 4 moves downwards to drive one elastic hook 10 at the outlet 207 to move downwards and slide into the compression groove 300 of the positioning piece 3, two free ends of the elastic hook 10 slide in the compression groove 300 and are compressed inwards at the same time, and when the two free ends of the elastic hook 10 slide to the two notches 301 at the lower end of the compression groove 300, the two free ends of the elastic hook 10 are elastically clamped in the two notches 301; at the moment, the pressing plate 402 moves upwards to separate from the compression elastic hook 10 and reset, the pressing plate 402 removes the limitation on the two free ends of the elastic hook 10, and the two free ends of the elastic hook 10 continue to expand outwards to reset and are clamped into the two hanging holes on the piece to be sprayed, so that the clamping operation of the elastic hook 10 is completed; this spraying assembly line's elasticity couple 10 clamps the device automatically and is waiting the in-process on the spraying piece with elasticity couple 10 joint, need not manual operation, can be automatically with elasticity couple 10 joints on waiting to spray the piece to make the operation of clamping on of elasticity couple 10 save time, laborsaving and elasticity couple 10 joints efficient, satisfy the demand of spraying assembly line.

Referring to fig. 7 and 10 again, a receiving groove 403 for the elastic hook 10 at the outlet 207 to enter is formed on the surface of the pressing plate 402 near the outlet 207, two pressing blocks 404 matched with two free ends of the elastic hook 10 are disposed on two sides of the lower end of the receiving groove 403, and the lower ends of the two pressing blocks 404 can drive the two free ends of the elastic hook 10 to enter the compression groove 300 when the pressing plate 402 slides downward. The elastic hook 10 in the hook box 2 enters the accommodating groove 403 through the outlet 207, when the pressing plate 402 moves downwards, the accommodating groove 403 drives one elastic hook 10 to move downwards, and when the pressing plate 402 moves downwards, the pressing blocks 404 on two sides of the lower end of the accommodating groove 403 are pressed on two free ends of the elastic hook 10 to drive the elastic hook 10 to slide downwards into the compression groove 300, so that the elastic hook 10 is prevented from deviating when moving downwards, and compression can be smoothly completed in the compression groove 300.

Furthermore, a support plate 9 which is vertically arranged is connected to the outlet 207 of the hook box 2, a guide outlet 900 which is matched with the elastic hook 10 in shape and communicated with the outlet 207 is arranged on the support plate 9, two guide plates 901 which are vertically arranged are connected to the support plate 9 on the outer side of the guide outlet 900, a sliding block 401 is matched with the guide plates 901 in a sliding manner in the height direction of the guide plates 901, a pressing plate 402 is connected with the sliding block 401 and moves synchronously with the sliding block 401, and the pressing plate 402 is attached to the outer side wall of the support plate 9; the support plate 9 is connected with a compression cylinder 400, and the free end of a piston rod of the compression cylinder 400 is connected with a sliding block 401 and used for driving the sliding block 401 to move. The inner side walls of the two guide plates 901 below the outlet 900 are provided with compression slopes 902 which are wide at the top and narrow at the bottom, and the lower ends of the compression slopes 902 are in smooth transition with the upper ends of the compression grooves 300. The compression inclined plane 902 on the inner side wall of the guide plate 901 is smooth and excessive with the inclined planes of the two inner side walls of the compression groove 300, so that the two free ends of the elastic hook 10 can conveniently enter the compression groove 300.

The support frame 100 is connected with a driving cylinder 302 matched with the positioning part 3, the driving cylinder 302 is connected with the positioning part 3 and used for driving the positioning part 3 to move, and when the two free ends of the elastic hook 10 are clamped in the two hanging holes on the part to be sprayed, the driving cylinder 302 drives the positioning part 3 to move, so that the compression groove 300 is separated from the elastic hook 10. When the two free ends of the elastic hook 10 are clamped in the two hanging holes on the part to be sprayed, a part of the two free ends of the elastic hook 10 is still positioned in the notch 301 of the compression groove 300, the driving cylinder 302 drives the positioning part 3 to retract inwards, so that the notch 301 of the compression groove 300 is separated from the two free ends of the elastic hook 10, and the part to be sprayed, which is conveniently hooked with the elastic hook 10, moves downwards to separate from the clamping station.

Referring to fig. 3 again, the clamping mechanism further includes a clasping mechanism 5, the clasping mechanism 5 is disposed on the frame 1 below the positioning member 3, the clasping mechanism 5 includes a clasping cylinder 500 and two clasping claws 501, the clasping cylinder 500 is connected with the two clasping claws 501, and is used for driving the two clasping claws 501 to open or close, and the two clasping claws 501 can clamp the member to be sprayed in a closed state. The tails of the two holding claws 501 can be rotatably connected to a moving part of the holding cylinder 500, and the moving part can drive the two holding claws 501 to open or close; the inner side walls of the two embracing claws 501 are rotatably connected with friction rollers 502, and the friction rollers 502 can be attached to the outer side walls of the parts to be sprayed when the two embracing claws 501 are in a closed state. The clasping mechanism 5 is used for clasping the piece to be sprayed, and plays a role in ensuring that the two free ends of the elastic hook 10 are smoothly clamped into the hanging hole of the piece to be sprayed. This friction roller 502's setting plays the effect of hugging closely the piece of waiting to spray on the one hand, and on the other hand can conveniently wait that the piece of spraying upwards moves the adjustment position.

Referring to fig. 2 and 3 again, as an embodiment of the present invention, the feeding mechanism further includes a conveying device 6 disposed on one side of the frame 1, and a plurality of positioning tools 8 for vertically connecting the to-be-sprayed parts are disposed on the conveying device 6, and the conveying device 6 can convey the to-be-sprayed parts to the feeding mechanism and convey the to-be-sprayed parts to the feeding mechanism, where the feeding mechanism is connected with an elastic hook. The conveying device 6 comprises a bracket 601 and a conveying belt 600 arranged on the support 601, and the positioning tool 8 is placed on the conveying belt 600. The clamping mechanism further comprises a lifting mechanism 7, wherein the lifting mechanism is arranged below the conveying device 6 and used for applying acting force in the vertical direction to the positioning tool 8 on the conveying device 6 to enable the positioning tool 8 to ascend or descend.

Referring to fig. 12 and 13, as an embodiment of the present invention, the lifting mechanism 7 includes a lifting cylinder 700 disposed below the conveying device 6, and when the sensor detects that the to-be-sprayed part is at the upper clamping station, the lifting cylinder 700 lifts the positioning tool 8 upward, so that the to-be-sprayed part on the positioning tool 8 is lifted to two hanging holes on the to-be-sprayed part and horizontally aligned with the two notches 301 at the lower end of the compression groove 300; after the two free ends of the elastic hook 10 are clamped in the two hanging holes on the part to be sprayed, the lifting cylinder 700 moves downwards to enable the positioning tool 8 to be placed on the conveying belt 600 of the conveying device 6. The upper end of a piston rod of the lifting cylinder 700 is connected with a top plate 701, the top plate 701 is arranged below the positioning tool 8, two protection plates 703 which extend upwards and are respectively located on the outer side of the conveying device 6 are connected to two side walls of the top plate 701, the upper ends of the two protection plates 703 are bent inwards to form two bending portions 704 located above the conveying device 6, and a space 602 for the positioning tool 8 to pass through is formed between the bending portions 704 and the upper surface of the conveying device 6. When the positioning tool 8 bearing the piece to be sprayed is conveyed to the upper clamping station through the conveying device 6, the lifting cylinder 700 drives the top plate 701 and the two guard plates 703 to ascend upwards simultaneously, so that the positioning tool 8 is separated from the conveying device 6, the bending part 704 is located above the positioning tool 8 in the process that the positioning tool 8 is separated from the conveying device 6, and the bending part 704 can prevent the positioning tool 8 from being toppled due to uneven stress in the ascending process.

As an embodiment of the present invention, at least one positioning column 702 protruding upwards is disposed at the top of the top plate 701, and a positioning hole 800 for inserting and positioning the positioning column 702 is disposed at the bottom of the positioning tool 8. In the process that the top plate 701 upwards drives the positioning tool 8 to rise, the positioning column 702 on the top plate 701 is inserted into the positioning hole 800 at the bottom of the positioning tool 8, so that the positioning tool 8 can be prevented from shifting in the rising process, the hanging hole in the upper end of the spraying part to be sprayed on the positioning tool 8 is accurately aligned with the two notches 301 at the lower end of the compression groove 300, and the two free ends of the elastic hook 10 are smoothly clamped.

Referring to fig. 11, as an embodiment of the present invention, the rack 1 on both sides of the positioning element 3 is respectively provided with a stop structure, the stop structure includes a fixed block 1100 connected to the rack 1, and the bottom of the fixed block 1100 near one side of the positioning element 3 is provided with a concave abutting portion 11 for abutting against the upper end of the to-be-sprayed member; the fixed block 1100 is provided with a sliding groove 1101 communicated with the abutting portion 11, a sliding block 1102 is in sliding fit in the sliding groove 1101, an elastic element 1104 is connected between the tail end of the sliding block 1102 and the fixed block 1100, the free end of the sliding block 1102 is located in the abutting portion 11 when the elastic element 1104 is in a free state, and the free end of the sliding block 401 is provided with a pushing inclined surface 1103 for abutting against the upper end of the spraying element. In this embodiment, the stop structure is connected to the support plate 9 on the frame 1, that is, the fixing block 1100 is connected to the support plate 9 through screws. When the upper end of the piece to be sprayed is upwards abutted against the pushing inclined surface 1103 of the free end of the sliding block 1102, the sliding block 1102 is driven to overcome the elastic force of the elastic piece 1104 to retreat, and when the upper end of the piece to be sprayed is completely abutted against the abutting part 11 of the fixed block 1100, the free end of the sliding block 1102 inwards extrudes the piece to be sprayed under the elastic force of the elastic piece 1104, so that the upper end of the piece to be sprayed is accurately positioned, and the hanging hole in the upper end of the piece to be sprayed is further ensured to be accurately aligned with the two notches 301 in the lower end of the compression groove 300.

In order to realize the automatic operation of clamping the piece to be sprayed, a control box and a plurality of sensors can be arranged on the support frame 100, the sensors are used for detecting whether the piece to be sprayed on the positioning tool 8 of the conveying device 6 is conveyed to a clamping mechanism, and the sensors are infrared sensors; and the control box is electrically connected with the conveying device 6, the lifting mechanism 7 and the sensor. The control box controls the conveying device 6 to act, the conveying device 6 conveys the positioning tool 8 connected with the piece to be sprayed to the clamping mechanism, when the sensor detects that the clamping mechanism is to be sprayed, the controller controls the lifting mechanism 7 to act, the lifting mechanism 7 acts to push the positioning tool 8 on the clamping station from bottom to top, so that the positioning tool 8 moves upwards together with the piece to be sprayed and is separated from the conveying device 6 until the upper end of the piece to be sprayed abuts against a stop structure on the rack 1, and at the moment, two notches 301 of the compression groove 300 are respectively aligned with two hanging holes on the piece to be sprayed; the controller controls the enclasping cylinder 500 to act, the enclasping cylinder 500 drives the two enclasping claws 501 to close, so that the two enclasping claws 501 enclasp a to-be-sprayed part, the compression cylinder 400 drives the sliding block 401 and the pressing plate 402 to slide downwards, the pressing plate 402 conveys the elastic hook 10 at the position of the guide outlet 900 of the supporting plate 9 into the compression groove 300, the elastic hook 10 is compressed in the compression groove 300, when the pressing plate 402 presses the two free ends of the elastic hook 10 to be aligned with the two gaps 301 of the compression groove 300, the two free ends of the elastic hook 10 are elastically clamped in the two gaps 301, along with the rising of the pressing plate 402, the pressing plate 402 releases the compression limitation on the elastic hook 10, and the two free ends of the elastic hook 10 are outwards clamped in the two hanging holes of the to-be-sprayed part from the two gaps 301; the controller controls the driving cylinder 302 to drive the positioning piece 3 to retract inwards, so that the notch 301 of the compression groove 300 is separated from the two free ends of the elastic hook 10; the controller controls the lifting mechanism 7 to move downwards to place the positioning tool 8 on the conveying device 6, and the conveying device 6 conveys the to-be-sprayed part clamped with the elastic hook 10 to the hanging mechanism. In the whole installation process of the elastic hook 10, manual guard is not needed, and the installation efficiency of the elastic hook 10 is high.

Referring to fig. 14, as an embodiment of the present invention, the hanging mechanism includes a supporting platform 101, the supporting platform 101 includes a table top and a column connected to the bottom of the table top, the supporting platform 101 is disposed at one side of the material transporting mechanism, the supporting platform 101 is connected to a feeding mechanism 12, the feeding mechanism 12 includes a feeding belt 1200 drivingly connected to the supporting platform 101 and a second driving mechanism 1201 for driving the feeding belt 1200; specifically, a first driving wheel 1202, a second driving wheel 1203, a third driving wheel 1204 and a fourth driving wheel 1211 are rotatably connected to the supporting platform 101, the first driving wheel 1202 and the second driving wheel 1203 are at the same horizontal height, the third driving wheel 1204 is located right below the second driving wheel 1203, the fourth driving wheel 1211 is located below the feeding belt 1200 and located between the first driving wheel 1202 and the third driving wheel 1204, and the feeding belt 1200 between the first driving wheel 1202 and the fourth driving wheel 1211 is horizontally arranged. The feeding belt 1200 is wound around the first driving wheel 1202, the second driving wheel 1203, the third driving wheel 1204 and the fourth driving wheel 1211, the second driving mechanism 1201 is a driving motor, a rotating shaft of the driving motor is connected with a driving gear 1218, a rotating shaft of the first driving wheel 1202 is connected with a driven gear 1219, and the driving gear 1218 and the driven gear 1219 rotate through a chain or a belt, so that the feeding belt 1200 is driven.

The feeding belt 1200 is connected with a plurality of hanging pins 1207 distributed along the length direction of the feeding belt 1200, the hanging pins 1207 are arranged along the width direction of the feeding belt 1200, and the free ends of the hanging pins 1207 can extend out of or retract into the supporting platform 101. Specifically, the material loading belt 1200 is connected with a plurality of bases 1208 distributed along the length direction of the material loading belt 1200, each base 1208 is provided with a guide through hole 1209, the hanging pin 1207 is in sliding fit with the guide through hole 1209, and the tail end of the hanging pin 1207 is provided with a radial limiting protrusion 1210 with the outer diameter larger than the inner diameter of the guide through hole 1209. In this embodiment, the base 1208 is fixedly connected to the bottom of the upper tape 1200 by the connecting plate 1214; the first driving mechanism 1201 drives the feeding belt 1200 to transmit, so that the hanging pins 1207 on the feeding belt 1200 are synchronously transmitted with the feeding belt 1200, and the distance between the hanging pins 1207 is equal to the distance between the hanging hooks on the conveying belt in this embodiment.

Referring to fig. 18, the hanging mechanism further includes a pushing mechanism 13 disposed on the supporting platform 101 and located at the feeding end of the feeding belt 1200, for pushing the tail end of the hanging pin 1207 to make the free end of the hanging pin 1207 extend out of the supporting platform 1 and be inserted into the hook on the piece to be sprayed; the pushing mechanism 13 is a pushing cylinder connected to the supporting platform 101, and a piston rod of the pushing cylinder can push the tail end of the hanging pin 1207 when extending out, so that the free end of the hanging pin 1207 extends out of the supporting platform 101 and is inserted into a hook on the piece to be sprayed. The piston rod of the pushing cylinder pushes the tail end of the hanging pin 1207, so that the free end of the hanging pin 1207 can be inserted into a hook on the piece to be sprayed, and the effect of hanging the piece to be sprayed is achieved.

Referring to fig. 16 and 19, the hanging mechanism further includes a hanging assembly 14, the hanging assembly 14 includes a hanging push block 1400 slidably connected to the supporting platform 101 and a third driving mechanism 1401 for driving the hanging push block 1400 to slide back and forth, and a sliding direction of the hanging push block 1400 is parallel to a length direction of the hanging pin 1207, so as to push a hook hanging the to-be-sprayed member on a free end of the hanging pin 1207 to be hooked with a hanging hook on the material transporting mechanism. The hanging and pushing block 1400 is slidably fitted on the supporting platform 101 through a sliding rail 1403, and the second driving mechanism 1401 is an air cylinder arranged on the supporting platform 101. The free end of the upper hanging push block 1400 is connected with a push plate 1402, the bottom of the push plate 1402 is attached to the top of the free end of the hanging pin 1207, and the push plate 402 extends along the length direction of the upper material belt 200. When treating couple on the spraying member and articulate on hanging round pin 1207, the couple can the protrusion setting at the top of hanging round pin 1207, when treating the spraying member and hang, push pedal 1402 promotes to hang the couple at round pin 1207 top and moves until pushing away the couple to articulate on hanging material hook to hanging material hook direction, and its structure sets up simply, and this push pedal 1402 can once promote a plurality of couples and articulate on hanging material hook simultaneously, improves the efficiency of hanging.

The hanging mechanism is used for hanging the to-be-sprayed part hung with the hook on the hanging hook of the material conveying mechanism, and the whole hanging process does not need manual operation; specifically, the feeding belt 1200 of the feeding mechanism 12 is driven by the first driving mechanism 1201 to transmit, when the hanging pin 1207 passes through the feeding end of the supporting platform 101, the pushing mechanism 13 pushes the tail end of the hanging pin 1207 to enable the free end of the hanging pin 1207 to extend out of the supporting platform 101 and be inserted into the hook on the piece to be sprayed, so that the piece to be sprayed, to which the hook is hung, is hung on the hanging pin 1207 to move along with the hanging pin 1207, when the piece to be sprayed moves to the position of the hanging assembly 14, the hanging push block 1400 of the hanging assembly 14 pushes the hook on the hanging pin 1207 to be sprayed to be hung with the hanging hook on the material conveying mechanism to be hung, so that the piece to be sprayed on the hanging pin 1207 is transferred to the hanging hook on the material conveying mechanism 1401, and the piece to be sprayed is automatically hung. Therefore, the hanging process of the piece to be sprayed does not need manual operation, the hanging efficiency is high, and the hanging leakage can be avoided.

Referring again to FIG. 15, as an embodiment of the present invention; the direction of a in the figure is the driving direction of the feeding belt 1200; the feeding belt 1200 sequentially comprises a lifting transmission part 1205 and a horizontal transmission part 1206 along the transmission direction, and the lower end of the lifting transmission part 1205 is set as the feeding end; the hanging pin 1207 matches with the height of the hanging hook on the material conveying mechanism when moving to the horizontal transmission part 1206. The setting of the promotion transmission portion 1205 and the horizontal drive portion 1206 of material loading area 1200 can compromise simultaneously elastic hook and the process of waiting to spray the piece joint and will articulate the process of hanging of waiting to spray the piece and hanging the material hook of elastic hook, because the process position that the material hook was hung to fortune material mechanism highly higher and carried out elastic hook and wait to spray the piece joint is lower, in addition, the setting that promotes transmission portion 1205 and horizontal drive portion 1206 makes that the piece of waiting to spray promotes height horizontal migration again earlier, there is enough time to carry out the speed control of material loading area 1200 and make it and the speed phase-match that transports of fortune material mechanism like this.

Referring again to fig. 14 and 15, as an embodiment of the present invention; the material conveying mechanism further comprises a positioning support 15, a positioning plate 1500 is connected to the positioning support 15, the positioning plate 1500 is horizontally opposite to the push plate 1402, and a positioning channel for a material hanging hook on the material conveying mechanism to pass through is arranged between the positioning plate 1500 and the push plate 1402. The first end of the positioning plate 1500 is provided with an outward inclined lead-in end 1501 for guiding the hook to enter the positioning channel. This locating plate 1500 sets up, can form the location passageway that supplies to hang the material hook and pass through between locating plate 1500 and push pedal 1402, hangs the material hook and can prevent to hang the material hook swing through location passageway, and push pedal 1402 pushes away to hanging when material hook waiting to spray the couple of piece, and this locating plate 1500 also can prevent to hang material hook swing from the beginning to the end to make the couple can accurately push away to hanging on the material hook, in order to accomplish and hang the operation.

Referring to fig. 16 and 17, as an embodiment of the present invention; the device further comprises a resetting mechanism, wherein the resetting mechanism is arranged on one side of the feeding belt 1200, which is far away from the upper hanging and pushing block 1400, and is used for enabling the free end of the hanging pin 1207 to retract into the supporting platform 101 after the piece to be sprayed is separated from the hanging pin 1207; the resetting mechanism comprises a guide piece 16 connected to the supporting platform 101, the guide piece 16 extends along the transmission direction of the feeding belt 1200, and the guide piece 16 gradually deviates from the feeding belt 1200 along the transmission direction of the feeding belt 1200; when the hanging pin 1207 in the extended state on the feeding belt 1200 passes through the guide 16, the radial limit projection 1210 at the tail end of the hanging pin 1207 is blocked outside the guide 16, and the free end of the hanging pin 1207 can be retracted into the supporting platform 101 after the hanging pin 1207 passes through the guide 16. An arc guide board 1600 is connected to the front end of guide 16, guide board 1600 sets up in the turn department of last material area 1200, and when hanging round pin 1207 through guide board 1600, hang the spacing protruding 1210 card of the radial of round pin 1207 tail end and establish in the guide board 1600 outside and through guide board 1600 slidable to guide 16 on. The reset mechanism is favorable for enabling the free end of the hanging pin 1207 to retract into the supporting platform 101 after the piece to be sprayed is separated from the hanging pin 1207, so that the hanging pin 1207 can conveniently clamp the hook of the piece to be sprayed next time, and the whole reset process does not need to be manually attended and operated; specifically, when the hanging pin 1207 in the extended state on the feeding belt 1200 passes through the guide 16, the radial limit protrusion 1210 at the tail end of the hanging pin 1207 is caught at the outer side of the guide 16, and the guide 16 slides the hanging pin 1207 in the tail end direction along with the movement of the hanging pin 1207 until the tail end of the hanging pin 1207 is separated from the guide 16.

Referring to fig. 18, as an embodiment of the present invention; still including stretching out the mechanism, stretch out the mechanism and set up the rear at pushing mechanism 13 along the transmission direction of material loading strip 1200, stretch out the mechanism and include the compression piece 17 that extends the setting along the transmission direction of material loading strip 1200, and follow the transmission direction of material loading strip 1200 compression piece 17 is close to gradually material loading strip 1200, when being the hanging pin 1207 of withdrawal state on material loading strip 1200 through compression piece 17, the tail end and the compression piece 17 inner wall of hanging pin 1207 offset, hang the pin 1207 process compression piece 17 after, the free end of hanging pin 1207 can stretch out supporting platform 101. The extending mechanism is arranged to prevent the free end of the hanging pin 1207 from automatically extending outwards when the pushing mechanism 13 does not push the hanging pin 1207 outwards, specifically, when the pushing mechanism 13 has missed pushing, the tail end of the missed pushing hanging pin 1207 is compressed by the compressing member 17 during the moving process to make the free end of the hanging pin 1207 automatically extend outwards; in addition, the compression member 17 can prevent the hanging pin 1207 hanging the hook of the piece to be sprayed from accidentally retracting in the process of rising, so that the piece to be sprayed is ensured to be lifted smoothly.

As an embodiment of the present invention; the supporting platform 101 is further provided with a controller and a detection unit, the controller is electrically connected with the detection unit, the second driving mechanism 1201, the third driving mechanism 1401 and the pushing mechanism 13 respectively, the detection unit is used for detecting the material conveying speed of the material conveying mechanism and feeding a speed signal back to the controller, and the controller controls the rotating speed of the first driving mechanism 1201, so that the transmission speed of the feeding belt 1200 is matched with the material conveying speed of the material conveying mechanism. Because the material conveying mechanism is started and stopped at every time or works for a long time, the transmission speed is different, and the detection unit is used for detecting the material conveying speed of the material conveying mechanism, so that the controller controls the rotating speed of the second driving mechanism 1201, the transmission speed of the feeding belt 1200 is matched with the material conveying speed of the material conveying mechanism, and the upper hanging push block 1400 of the upper hanging component 14 can accurately push the hook of the piece to be sprayed to the hanging hook.

Referring to fig. 15 and 20, as an embodiment of the present invention; the supporting platform 101 below the feeding belt 1200 is provided with a guide rail 1215 arranged along the length direction of the feeding belt 1200, the base 1208 is in sliding fit with the guide rail 1215, and the base 1208 is connected with a roller 1212 in sliding fit with the guide rail 1215. An upper guide bar 1216 and a lower guide bar 1217 are connected to the supporting platform 101 along the driving direction of the upper tape 1200 and below the upper tape 1200, and a guide rail 1215 is formed between the upper guide bar 1216 and the lower guide bar 1217, and a roller 1212 on the base 1208 slides in contact with the upper guide bar 1216 and the lower guide bar 1217.

Referring again to FIG. 20, as an embodiment of the present invention; the free end side wall of the hanging pin 1207 is a big outer and a small inner conical surface 1213. Due to the arrangement, on one hand, the hanging pin 1207 can be prevented from being separated from the hanging pin 1207 in the moving process of the hanging pin 1207, on the other hand, the hanging pin 1207 can be prevented from being separated from the guide through hole 1209, and when the push plate 1402 pushes the hanging pin 1207, the hanging pin can be lifted upwards slightly and then can be smoothly hung on the hanging hook.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a waiting of spraying assembly line automatic hanging device of spraying piece which characterized in that: it comprises

2. The automatic hanging device for the to-be-sprayed parts of the spraying line according to claim 1, characterized in that: the hook box is internally provided with a hook conveying channel for the elastic hooks to be vertically arranged side by side, one end of the hook box is provided with an inlet communicated with the hook conveying channel, the other end of the hook box is provided with an outlet communicated with the hook conveying channel, and the hook box is internally provided with a first driving mechanism for driving the elastic hooks to move towards the outlet along the hook conveying channel.

3. The automatic hanging device for the to-be-sprayed parts of the spraying line according to claim 2, characterized in that: the hook box comprises a shell and a guide support arranged in the shell, and a hook conveying channel is formed between the inner wall of the shell and the guide support; the guide bracket on connect a guide arm that sets up along couple transfer passage length direction, the guide arm on sliding fit a slider, the slider on connect a ejector pad subassembly, the ejector pad subassembly be used for pushing away the elastic hook on the guide bracket to export direction, a actuating mechanism be connected with the slider for the drive slider slides.

4. The automatic hanging device for the to-be-sprayed parts of the spraying line according to claim 2, characterized in that: one end of the guide support close to the inlet extends outwards to be arranged on the outer side of the shell and forms a guide-in part for the elastic hook to be placed.

5. The automatic hanging device for the to-be-sprayed parts of the spraying line according to claim 3, wherein: positioning rods arranged along the length direction of the hook conveying channel are connected to the two inner side walls of the shell, one end, far away from the outlet, of each positioning rod extends outwards and is arranged on the outer side of the shell, and the inlet is formed between the positioning rods and the guiding-in part; the one end that the locating lever kept away from the export is equipped with the direction mouth that supplies the installation of elastic hook, the distance of direction mouth outer end to leading-in portion is greater than the distance of direction mouth inner end to leading-in portion.

6. The automatic hanging device for the to-be-sprayed parts of the spraying line according to claim 1, characterized in that: the surface of one side, close to the outlet, of the pressing plate is provided with a containing groove for the elastic hook at the outlet to enter, two pressing blocks matched with the two free ends of the elastic hook are arranged on two sides of the lower end of the containing groove, and the lower ends of the two pressing blocks can drive the two free ends of the elastic hook to enter the compression groove when the pressing plate slides downwards.

7. The automatic hanging device for the to-be-sprayed parts of the spraying line according to claim 6, wherein: the outlet of the hook box is connected with a vertically arranged support plate, the support plate is provided with a guide outlet which is matched with the shape of the elastic hook and is communicated with the outlet, the support plate is matched with a sliding block in a sliding way in the height direction, the pressing plate is connected with the sliding block and moves synchronously with the sliding block, and the pressing plate is attached to the outer side wall of the support plate; the supporting plate is connected with a compression cylinder, and the free end of a piston rod of the compression cylinder is connected with the sliding block and used for driving the sliding block to move.

8. The automatic hanging device for the to-be-sprayed parts of the spraying line according to claim 7, wherein: the support plate outside the lead-out opening is connected with two guide plates which are vertically arranged, and the slide block is in sliding fit with the guide plates; the inner side walls of the two guide plates below the guide outlet are set to be compression inclined planes with wide upper parts and narrow lower parts, and the lower ends of the compression inclined planes are in smooth transition with the upper ends of the compression grooves.

9. The automatic hanging device for the to-be-sprayed parts of the spraying line according to claim 6, wherein: the two compression grooves are respectively arranged corresponding to the two free ends of the elastic hook; the two gaps are respectively arranged on the outer side walls of the lower ends of the two compression grooves; the inside walls of the two compression grooves are both in a horn shape with the upper part wide and the lower part narrow.

10. The automatic hanging device for the to-be-sprayed parts of the spraying line according to claim 1, characterized in that: the frame is connected with a driving cylinder matched with the positioning piece, a piston rod of the driving cylinder is connected with the positioning piece and used for driving the positioning piece to move, and when the two free ends of the elastic hook are clamped in the two hanging holes on the piece to be sprayed, the driving cylinder drives the positioning piece to move, so that the compression groove is separated from the elastic hook.

11. The automatic hanging device for the to-be-sprayed parts of the spraying line according to claim 1, characterized in that: the machine frame is provided with a stop structure for the upper end of a piece to be sprayed to abut against; the lifting mechanism is arranged below the conveying device and provided with a top plate capable of moving up and down, the top plate can drive the conveying device to move upwards to separate the conveying device and enable the upper end of the piece to be sprayed to be abutted against the stop structure when the top plate moves upwards, and the top plate can enable the positioning tool to be placed on the conveying device when the positioning tool for bearing the piece to be sprayed moves downwards.

12. An automatic hanging device for a member to be painted of a painting line according to claim 11, characterized in that: the stop structure comprises a fixed block connected to the rack, and the bottom of the inner end of the fixed block is provided with a concave abutting part for abutting against the upper end of a piece to be sprayed; the fixed block on be equipped with the spout that supports the portion and communicate, the spout sliding fit a sliding block, be connected an elastic component between the tail end of sliding block and the fixed block, the free end of sliding block is located supporting the portion under the elastic component is in free state and the free end of sliding block has the top that supplies spraying piece upper end to support and pushes up the inclined plane.

13. An automatic hanging device for a member to be painted of a painting line according to claim 11, characterized in that: the spraying device comprises a positioning piece, a clamping mechanism and a spraying mechanism, wherein the clamping mechanism is arranged on a rack below the positioning piece and comprises a clamping cylinder and two clamping claws, the clamping cylinder is connected with the two clamping claws and is used for driving the two clamping claws to open or close, and the two clamping claws can clamp a piece to be sprayed in a closed state; the inner side walls of the two holding claws can be rotatably connected with friction rollers, and the friction rollers can be attached to the outer side wall of the piece to be sprayed when the two holding claws are in a closed state.

14. An automatic hanging device for a member to be painted of a painting line according to claim 11, characterized in that: the lifting mechanism comprises a lifting cylinder vertically arranged below the conveying device, the top plate is connected to the upper end of a piston rod of the lifting cylinder and located below the positioning tool on the conveying device, two guard plates which extend upwards and are located on the outer side of the conveying device respectively are connected to two side walls of the top plate, the upper ends of the two guard plates are bent inwards to form two bending portions located above the conveying device, and a space for the positioning tool to pass through is formed between the bending portions and the upper surface of the conveying device.

15. An automatic hanging device for a member to be painted of a painting line according to claim 14, characterized in that: the top of the top plate is provided with at least one positioning column which is convex upwards and is matched and spliced with the positioning hole at the bottom of the positioning tool.

16. The automatic hanging device for the to-be-sprayed parts of the spraying line according to claim 1, characterized in that: the feeding belt sequentially comprises a lifting transmission part and a horizontal transmission part along the transmission direction, and the lower end of the lifting transmission part is set as the feeding end; the hanging pin is matched with the height of the hanging hook on the material conveying mechanism when moving to the horizontal transmission part.

17. The automatic hanging device for the to-be-sprayed parts of the spraying line according to claim 1, characterized in that: the utility model discloses a quick-witted, including material loading area, guide through hole, hanging round pin sliding fit, the material loading area is connected with a plurality of bases that distribute along material loading area length direction, is equipped with the direction through-hole on every base, the tail end of just hanging the round pin be equipped with the radial spacing arch that external diameter is greater than direction through-hole internal diameter size in the direction through-hole sliding fit.

18. The automatic hanging device for the to-be-sprayed parts of the spraying line according to claim 1, characterized in that: the pushing mechanism is a pushing cylinder connected to the rack, and a piston rod of the pushing cylinder can push the tail end of the hanging pin when extending out, so that the free end of the hanging pin extends out of the rack and is inserted into a hook on a piece to be sprayed.

19. The automatic hanging device for the to-be-sprayed parts of the spraying line according to claim 1, characterized in that: the free end of the upper hanging push block is connected with a push plate, the bottom of the push plate is attached to the top of the free end of the hanging pin, and the push plate extends along the length direction of the upper material belt.

20. An automatic hanging device for a member to be painted of a painting line according to claim 19, characterized in that: the material conveying mechanism is characterized by further comprising a positioning support, a positioning plate is connected to the positioning support, the positioning plate is horizontally opposite to the push plate, and a positioning channel for a material hanging hook on the material conveying mechanism to pass through is arranged between the positioning plate and the push plate.

21. An automatic hanging device for a member to be painted of a painting line according to claim 20, wherein: the first end of locating plate is equipped with the lead-in end that leans out for guide string material hook gets into positioning channel.

22. The automatic hanging device for the to-be-sprayed parts of the spraying line according to claim 17, wherein: the reset mechanism is arranged on one side of the upper material belt, which is far away from the upper hanging and pushing block, and is used for retracting the free end of the hanging pin into the rack after the piece to be sprayed is separated from the hanging pin; the reset mechanism comprises a guide piece connected to the rack, the guide piece extends along the transmission direction of the feeding belt, and the guide piece gradually deviates from the feeding belt along the transmission direction of the feeding belt; when the hanging pin in the extending state on the feeding belt passes through the guide piece, the radial limiting bulge at the tail end of the hanging pin is clamped outside the guide piece, and the free end of the hanging pin can be retracted into the rack after the hanging pin passes through the guide piece.

23. An automatic hanging device for a member to be painted of a painting line according to claim 22, wherein: the front end of guide connects an arc guide board, the guide board sets up in the turn department in last material area, and when hanging the round pin through the guide board, the radial spacing protruding card of hanging the round pin tail end is established in the guide board outside and through guide board slidable to the guide on.

24. The automatic hanging device for the to-be-sprayed parts of the spraying line according to claim 17, wherein: it still includes the extension mechanism, the transmission direction setting at the pushing mechanism's rear along the material loading area of the mechanism that stretches out, the mechanism that stretches out include the compression piece that extends the setting along the transmission direction in material loading area, and follow the transmission direction in material loading area the compression piece is close to gradually the material loading area, when the material loading takes the pin of hanging that is the withdrawal state to pass through the compression piece, the tail end and the compression piece inner wall of hanging the pin offset, hang the pin process the compression piece after, the free end protractile frame of hanging the pin.

25. The automatic hanging device for the to-be-sprayed parts of the spraying line according to claim 1, characterized in that: the automatic feeding device is characterized by further comprising a controller and a first detection unit, wherein the first detection unit is used for detecting the material conveying speed of the material conveying mechanism and feeding a speed signal back to the controller, and the controller is used for controlling the transmission speed of the feeding belt, so that the transmission speed of the feeding belt is matched with the material conveying speed of the material conveying mechanism.

26. The automatic hanging device for the to-be-sprayed parts of the spraying line according to claim 17, wherein: the rack below the feeding belt is provided with a guide rail arranged along the length direction of the feeding belt, the base is in sliding fit in the guide rail, and the base is connected with a roller in sliding fit with the guide rail.

27. The automatic hanging device for the to-be-sprayed member of the spraying line according to any one of claims 1 to 26, wherein: the side wall of the free end of the hanging pin is a conical surface with a large outer part and a small inner part.