CN217837534U

CN217837534U - Automatic retaining ring fixing and grabbing device

Info

Publication number: CN217837534U
Application number: CN202222098097.7U
Authority: CN
Inventors: 马定; 张永华; 刘邵辉; 徐明亮; 李佼远
Original assignee: Hunan Taishi Intelligent Technology Co ltd
Current assignee: Hunan Taishi Intelligent Technology Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2022-11-18
Anticipated expiration: 2032-08-10

Abstract

An automatic retaining ring fixing and grabbing device comprises a workbench, wherein a retaining ring feeding and fixing mechanism and a retaining ring sucking and moving mechanism are arranged on the workbench; the retainer ring sucking and moving mechanism can suck the retainer ring on the retainer ring feeding and fixing mechanism and move the retainer ring to the next station; the retainer ring feeding and fixing mechanism comprises a retainer ring support frame and a plurality of retainer ring clamping rods which are uniformly distributed around the axis of a bottom plate of the retainer ring support frame, and the retainer ring clamping rods are provided with clamping driving devices capable of adjusting the distance between the plurality of retainer ring clamping rods; the retaining ring sucking and moving mechanism comprises a mounting plate and a plurality of suckers which are uniformly distributed around the axis of the mounting plate, and the suckers are provided with sucker adjusting devices capable of adjusting the distance between the suckers. The utility model discloses reducible personnel cost is convenient for carry out retaining ring batch assembly, and the retaining ring assembly is whole efficient, and the device can be applicable to the assembly work of different specification retaining rings, and is compatible good, is applicable to intelligent automation line.

Description

Automatic retaining ring fixing and grabbing device

Technical Field

The utility model relates to an automatic assembly technical field, concretely relates to automatic fixed and grabbing device of retaining ring.

Background

At present, in the mechanical industry or the automatic production line, the specifications of the check ring can be various, and the sizes of the check ring are also different. The positioning and assembly of the check rings with multiple specifications are mostly manually distinguished and assembled, and even if manual intervention is not completely adopted, the check rings with the corresponding specifications can be fixed and grabbed by adopting multiple sets of fixture devices or single equipment, and then the check rings are positioned and assembled. Therefore, the defects of difficult batch assembly, low efficiency, poor equipment compatibility, increase of operators and the like are caused, and the method is not suitable for an intelligent automatic production line.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's not enough, provide a retaining ring automatic fixation and grabbing device.

In order to solve the technical problem, the utility model provides a technical scheme does: a check ring automatic fixing and grabbing device comprises a workbench, wherein a check ring feeding fixing mechanism and a check ring sucking and moving mechanism are arranged on the workbench; the retaining ring sucking and moving mechanism can suck the retaining ring on the retaining ring feeding and fixing mechanism and move the retaining ring to the next station;

the retaining ring feeding and fixing mechanism comprises a retaining ring support frame and a plurality of retaining ring clamping rods which are uniformly distributed around the axis of a bottom plate of the retaining ring support frame, and the retaining ring clamping rods are provided with clamping driving devices capable of adjusting the distance between the retaining ring clamping rods;

the retaining ring absorbs moving mechanism includes the mounting panel and around a plurality of sucking discs of mounting panel axis evenly distributed, the sucking disc disposes the sucking disc adjusting device that can adjust distance between a plurality of sucking discs.

Preferably, the clamping driving device comprises a plurality of turntables and a first rotary driving device capable of driving the turntables to synchronously rotate; and the plurality of retaining ring clamping rods are respectively arranged on the outer circumference of one of the turntables.

In the automatic retaining ring fixing and grabbing device, preferably, the first rotary driving device comprises a plurality of first synchronous pulleys, a first synchronous belt and a first servo motor; the first synchronous belt wheels are respectively connected with the center of one of the turntables, the first synchronous belts are wound on the first synchronous belt wheels, and the first synchronous belt or one of the first synchronous belt wheels is connected with a first servo motor.

In the automatic retaining and grabbing device for the retaining ring, preferably, the clamping driving device is provided with a first origin sensor, and the first origin sensor comprises a first emitter arranged on one of the turntables and a first receiver arranged on the retaining ring supporting frame; the first receiver is capable of receiving a signal transmitted by the first transmitter when the turntable is in the initial state.

Above-mentioned retaining ring automatic fixation and grabbing device, preferred, the retaining ring support frame disposes lift drive.

Preferably, the lifting driving device comprises a lifting servo motor, a transmission screw rod and a limiting plate; the transmission screw rod penetrates through the bottom plate of the retainer ring support frame and is in threaded connection with the bottom plate, one end of the transmission screw rod is connected with the output end of the lifting servo motor, the other end of the transmission screw rod is rotatably connected with the top end of the limiting plate, and the limiting plate penetrates through the bottom plate and is fixed with the workbench.

Preferably, the suction cup adjusting device comprises a plurality of rotating shafts and a second rotary driving device capable of driving the plurality of rotating shafts to synchronously rotate; the suckers are connected with one of the rotating shafts through connecting pieces respectively.

Preferably, the second rotary driving device comprises a plurality of second synchronous belt wheels, a second synchronous belt, a driving wheel and a second servo motor; it is a plurality of the second synchronous pulley is connected with one of them pivot respectively, the action wheel is connected with second servo motor output, the second hold-in range is around connecing on a plurality of second synchronous pulleys and action wheel.

In the automatic retaining ring fixing and grabbing device, preferably, the suction cup adjusting device is provided with a second origin sensor, and the second origin sensor comprises a second transmitter arranged on the driving wheel and a second receiver arranged on the mounting plate; when the driving wheel is in the initial state, the second receiver can receive the signal transmitted by the second transmitter.

Preferably, the retaining ring sucking and moving mechanism further comprises a lifting cylinder and a translation driving device; the output end of the lifting cylinder is connected with the mounting plate, and the lifting cylinder is connected with the output end of the translation driving device.

Compared with the prior art, the utility model has the advantages of: in the utility model, only a single operator is needed to stack the check ring to the check ring feeding fixing mechanism, and the check ring can be automatically fixed and grabbed to the next station through the matching of the check ring feeding fixing mechanism and the check ring absorbing and moving mechanism, so that the next station can work, and meanwhile, the distances between the check ring clamping rods and the suckers can be adaptively adjusted according to the specification of the check ring; therefore the utility model discloses reducible personnel cost is convenient for carry out retaining ring batch assembly, and the retaining ring assembly is whole efficient, and the device can be applicable to the assembly work of different specification retaining rings, and is compatible good, is applicable to intelligent automation line.

Drawings

Fig. 1 is a side view of an automatic retaining and gripping device for a retainer ring according to embodiment 1.

Fig. 2 is a side view of a retainer ring loading fixing mechanism in embodiment 1.

Fig. 3 is a plan view of a retainer ring loading fixing mechanism in embodiment 1.

Fig. 4 is an enlarged view of a structure shown in fig. 3.

Fig. 5 is a front view of the retainer ring sucking moving mechanism in embodiment 1.

Fig. 6 is a side view of the retainer ring sucking and moving mechanism in embodiment 1.

Fig. 7 is a plan view of the retainer ring sucking and moving mechanism in embodiment 1.

Fig. 8 is an enlarged view of the structure at B in fig. 6.

Description of the drawings

100. A work table; 200. a baffle ring feeding and fixing mechanism; 210. a retainer ring support frame; 211. a base plate; 220. the retainer ring clamps the rod; 230. a turntable; 240. a first rotary drive device; 241. a first timing pulley; 242. a first synchronization belt; 243. a first servo motor; 250. a first origin sensor; 251. a first transmitter; 252. a first receiver; 260. a lift drive; 261. a lifting servo motor; 262. a transmission screw rod; 263. a limiting plate; 300. a retainer ring suction moving mechanism; 310. mounting a plate; 320. a suction cup; 330. a rotating shaft; 340. a second rotary drive device; 341. a second timing pulley; 342. a second synchronous belt; 343. a driving wheel; 344. a second servo motor; 350. a second origin sensor; 351. a second transmitter; 352. a second receiver; 360. a lifting cylinder; 370. a translation drive device; 400. and a retainer ring.

Detailed Description

To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the following specific embodiments.

It should be particularly noted that when an element is referred to as being "fixed to, connected to or communicated with" another element, it can be directly fixed to, connected to or communicated with the other element or indirectly fixed to, connected to or communicated with the other element through other intermediate connecting components. The terms "transverse," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, hereinafter refer to an orientation or positional relationship as shown in the drawings, merely for convenience in describing the invention, and do not indicate or imply that the referenced elements must have a particular orientation, and therefore should not be considered limiting to the scope of the invention.

Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.

Example 1

The automatic retaining ring fixing and grabbing device in the embodiment is mainly applicable to fixing and grabbing retaining rings 400 of various specifications, and conveying the grabbed retaining rings 400 to the next station so as to perform the next retaining ring assembling work.

As shown in fig. 1 to 8, the automatic retaining ring fixing and gripping device in this embodiment includes a workbench 100, and a retaining ring feeding and fixing mechanism 200 and a retaining ring sucking and moving mechanism 300 are disposed on the workbench 100; the retainer ring sucking and moving mechanism 300 can suck the retainer ring 400 on the retainer ring feeding and fixing mechanism 200 and move the retainer ring 400 to the next station;

the retainer ring feeding and fixing mechanism 200 comprises a retainer ring support frame 210 and a plurality of retainer ring clamping rods 220 uniformly distributed around the axis of a base plate 211 of the retainer ring support frame 210, and the retainer ring clamping rods 220 are provided with a clamping driving device capable of adjusting the distance between the plurality of retainer ring clamping rods 220;

the retainer ring sucking and moving mechanism 300 includes a mounting plate 310 and a plurality of suction cups 320 uniformly distributed around the axis of the mounting plate 310, and the suction cups 320 are provided with suction cup 320 adjusting means capable of adjusting the distance between the plurality of suction cups 320.

The number of the retainer ring clamping rods 220 and the suction cups 320 in this embodiment is three, and the number of the corresponding rotary disc 230, the corresponding rotating shaft 330, the corresponding first synchronous pulley 241 and the corresponding second synchronous pulley 341 is also three; it should be noted that, in this embodiment, the number of the retaining ring clamping rod 220 and the number of the suction cups 320 may be three or more, and the number of the corresponding other components is also adaptively adjusted according to the number of the above two components, in this embodiment, the structure and the operation principle of the retaining ring automatic fixing and gripping device are specifically described only by using three retaining ring clamping rods 220 and three suction cups 320, so that the number of the above components is set to three and should not be construed as limiting the present invention.

In this embodiment, the retainer ring is automatically fixed and the gripping device is operated, and at first, the retainer ring 400 is stacked on the retainer ring feeding and fixing mechanism 200 by an operator, and the retainer ring 400 can be supported and held by the retainer ring support frame 210 in the retainer ring feeding and fixing mechanism 200. After the check rings 400 are stacked, the check ring clamping rods 220 are driven by the clamping driving device to move to adjust the distance between the check ring clamping rods 220, so that the three check ring clamping rods 220 are abutted against the inner walls of the check rings 400 to achieve a fully tensioned state, the positions of all the check rings 400 are fixed at the moment, and all the check rings 400 are stacked together in a vertical row. After the retainer ring 400 is fixed, the distance between the three suction cups 320 is adjusted through the suction cup 320 adjusting device, so that the positions of the suction cups 320 are matched with the size specification of the retainer ring 400, the suction cups 320 can stably adsorb the retainer ring 400, and then the suction cups 320 can be driven to drive the retainer ring 400 to move to the next station through the moving device on the retainer ring sucking and moving mechanism 300, so that the next retainer ring assembling work is carried out.

Therefore, in the embodiment, only a single operator is required to stack the retainer ring 400 onto the retainer ring feeding fixing mechanism 200, and the retainer ring 400 can be automatically fixed and grabbed to the next station through the cooperation of the retainer ring feeding fixing mechanism 200 and the retainer ring sucking and moving mechanism 300, so that the next station can work, and meanwhile, the distances between the plurality of retainer ring clamping rods 220 and the plurality of suckers 320 can be adaptively adjusted according to the specification of the retainer ring 400; therefore, the cost of the personnel can be reduced, the batch assembly of the check rings can be conveniently carried out, the overall efficiency of the check ring assembly is high, the device can be suitable for the assembly work of the check rings 400 with different specifications, the compatibility is good, and the device is suitable for an intelligent automatic production line.

As shown in fig. 2 and 3, the clamping driving device in this embodiment includes three rotating discs 230 and a first rotating driving device 240 capable of driving the three rotating discs 230 to rotate synchronously; three retainer ring-clamping levers 220 are respectively provided on the outer circumference of one of the rotating discs 230.

In this embodiment, the first rotary driving device 240 drives the three rotating discs 230 to rotate synchronously, so as to drive the three retainer ring clamping rods 220 to swing synchronously, thereby clamping and fixing the retainer ring 400.

As shown in fig. 2 and 3, the first rotary drive device 240 in the present embodiment includes three first timing pulleys 241, a first timing belt 242, and a first servo motor 243; the three first synchronous pulleys 241 are respectively connected with the center of one of the turntables 230, the first synchronous belt 242 is wound on the three first synchronous pulleys 241, and the output end of the first servo motor 243 is connected with the first synchronous belt 242 through a connecting pulley.

In this embodiment, the first servo motor 243 drives the connecting wheel to rotate to drive the first synchronous belt 242 to move, so as to drive the three first synchronous belt wheels 241 to drive the three rotating discs 230 to rotate synchronously, thereby adjusting the distance between the three retaining ring clamping rods 220, and enabling the retaining ring clamping rods 220 to clamp and fix the retaining ring 400.

Of course, in this embodiment, the output end of the first servo motor 243 may also be directly connected to one of the first synchronous pulleys 241, the first servo motor 243 drives the first synchronous pulley 241 to rotate, and under the transmission action of the first synchronous belt 242, the three first synchronous pulleys 241 may also rotate synchronously.

As shown in fig. 3 and 4, the clamping driving device in this embodiment is provided with a first origin sensor 250, and the first origin sensor 250 includes a first transmitter 251 disposed on one of the rotating discs 230 and a first receiver 252 disposed on the retainer ring support 210; when the turntable 230 is in the initial state, the first receiver 252 can receive the signal transmitted by the first transmitter 251, and when the turntable 230 rotates, the angle of the first transmitter 251 is shifted, and the first receiver 252 cannot receive the signal transmitted by the first transmitter 251; therefore, the initial position of the turntable 230 of the clamping driving device before each action can be kept consistent under the action of the first origin sensor 250, so that an operator can accurately set the corresponding specific rotating angle of the turntable 230 according to the check rings 400 with different sizes and specifications.

As shown in fig. 1 and fig. 2, in the present embodiment, the retainer ring support frame 210 is provided with the lifting drive device 260, and the retainer ring 400 stacked on the retainer ring support frame 210 is driven by the lifting drive device 260 to move upwards to a proper position, which facilitates the suction movement of the retainer ring 400 by the retainer ring suction movement mechanism 300.

As shown in fig. 2, the lifting driving device 260 in this embodiment includes a lifting servo motor 261, a transmission screw 262 and a limit plate 263; the transmission screw 262 penetrates through the bottom plate 211 of the retainer ring support frame 210 and is in threaded connection with the bottom plate 211, one end of the transmission screw 262 is connected with the output end of the lifting servo motor 261, the other end of the transmission screw 262 is rotatably connected with the top end of the limiting plate 263, and the limiting plate 263 penetrates through the bottom plate 211 and is fixed with the workbench 100.

In this embodiment, the transmission screw 262 is driven by the lifting servo motor 261 to rotate, and under the limiting and guiding effect of the limiting plate 263, the transmission screw 262 can drive the bottom plate 211 to move up and down, so that the retainer ring 400 is pushed to a proper position.

As shown in fig. 5-7, the adjustment device of the suction cup 320 in this embodiment includes three rotating shafts 330 and a second rotation driving device 340 capable of driving the three rotating shafts 330 to rotate synchronously; the three suction cups 320 are respectively connected with one of the rotating shafts 330 through connecting pieces.

In this embodiment, the second rotation driving device 340 drives the three rotation shafts 330 to rotate synchronously, so as to drive the three suckers 320 to swing synchronously, so that the positions of the suckers 320 are adapted to the size of the retainer ring 400, and the suckers 320 can accurately adsorb the retainer ring 400.

As shown in fig. 5 to 7, the second rotary drive device 340 in the present embodiment includes three second timing pulleys 341, a second timing belt 342, a drive pulley 343, and a second servo motor 344; the three second synchronous pulleys 341 are respectively connected with one of the rotating shafts 330, the driving wheel 343 is connected with the output end of the second servo motor 344, and the second synchronous belt 342 is wound on the three second synchronous pulleys 341 and the driving wheel 343.

In this embodiment, the driving wheel 343 is driven by the second servo motor 344 to rotate to drive the second synchronous belt 342 to move, so as to drive the three second synchronous pulleys 341 to drive the three rotating shafts 330 to synchronously rotate, thereby enabling the three suction cups 320 to synchronously swing, and the positions of the suction cups 320 can be adapted to the size of the retainer ring 400.

As shown in fig. 6 and 8, the suction cup 320 adjusting means in the present embodiment is provided with a second origin sensor 350, and the second origin sensor 350 includes a second transmitter 351 provided on a driving wheel 343 and a second receiver 352 provided on a mounting plate 310; when the driving wheel 343 is in the initial state, the second receiver 352 can receive the signal transmitted by the second transmitter 351, and after the driving wheel 343 rotates, the angle of the second transmitter 351 is shifted, and the second receiver 352 cannot receive the signal transmitted by the second transmitter 351; therefore, the action of the second origin sensor 350 can ensure that the initial position of the driving wheel 343 of the suction cup 320 adjusting device before each action is consistent, so that an operator can accurately set the specific rotating angle of the corresponding driving wheel 343 according to the retaining rings 400 with different sizes and specifications.

As shown in fig. 5-7, the retaining ring sucking and moving mechanism 300 of the present embodiment further includes a lifting cylinder 360 and a translation driving device 370; the output end of the lifting cylinder 360 is connected with the mounting plate 310, and the lifting cylinder 360 is connected with the output end of the translation driving device 370.

Specifically, in this embodiment, the translational driving device 370 may adopt a matching manner of a servo motor, a lead screw, a slide rail and a slide block, the lifting cylinder 360 is connected with the lead screw through an intermediate connecting component in a threaded manner and fixed with the slide block, the lead screw is driven to rotate by the servo motor, and the lifting cylinder 360 can be driven to perform a forward and backward translational motion under the guiding and limiting effects of the slide block and the slide rail and the transmission effect of the intermediate connecting component. It should be noted that, the translation driving device 370 in this embodiment may also adopt conventional conveying devices in other forms, such as a linear module, and only needs to be able to drive the lifting cylinder 360 to perform a front-back translation motion, so the above specific description of the translation driving device 370 in this embodiment should not be understood as a limitation of the present invention.

In the embodiment, when the retaining ring sucking and moving mechanism 300 works, firstly, the suction disc 320 is driven by the suction disc 320 adjusting device to move to adjust the position of the suction disc 320, after the position of the suction disc 320 is adjusted in place, the lifting cylinder 360 pushes the mounting plate 310 to drive the suction disc 320 to move downwards to suck and fix the retaining ring 400, the lifting cylinder 360 resets, and then the translation driving device 370 can drive the suction disc 320 to drive the retaining ring 400 to move together to the next station, so that the next step of retaining ring assembling work can be carried out.

Claims

1. The utility model provides a retaining ring automatic fixation and grabbing device which characterized in that: the device comprises a workbench, wherein a retainer ring feeding and fixing mechanism and a retainer ring sucking and moving mechanism are arranged on the workbench; the check ring sucking and moving mechanism can suck the check ring on the check ring feeding and fixing mechanism and move the check ring to the next station;

2. The retainer ring automatic fixing and gripping device according to claim 1, characterized in that: the clamping driving device comprises a plurality of turntables and a first rotary driving device capable of driving the turntables to synchronously rotate; and the plurality of retaining ring clamping rods are respectively arranged on the outer circumference of one of the turntables.

3. The retainer ring automatic fixing and gripping device according to claim 2, characterized in that: the first rotary driving device comprises a plurality of first synchronous belt wheels, a first synchronous belt and a first servo motor; the first synchronous belt wheels are respectively connected with the center of one of the turntables, the first synchronous belts are wound on the first synchronous belt wheels, and the first synchronous belt or one of the first synchronous belt wheels is connected with a first servo motor.

4. The retainer ring automatic fixing and gripping device according to claim 2, characterized in that: the clamping driving device is provided with a first origin sensor, and the first origin sensor comprises a first emitter arranged on one of the turntables and a first receiver arranged on the retainer ring supporting frame; the first receiver is capable of receiving a signal transmitted by the first transmitter when the turntable is in the initial state.

5. The automatic retaining ring fixing and gripping device according to any one of claims 1 to 4, characterized in that: the retainer ring support frame is provided with a lifting driving device.

6. The automatic retaining ring fixing and grabbing device of claim 5, wherein: the lifting driving device comprises a lifting servo motor, a transmission screw rod and a limiting plate; the transmission screw rod penetrates through the bottom plate of the retainer ring support frame and is in threaded connection with the bottom plate, one end of the transmission screw rod is connected with the output end of the lifting servo motor, the other end of the transmission screw rod is rotatably connected with the top end of the limiting plate, and the limiting plate penetrates through the bottom plate and is fixed with the workbench.

7. The retainer ring automatic fixing and gripping device according to claim 1, characterized in that: the sucker adjusting device comprises a plurality of rotating shafts and a second rotating driving device capable of driving the rotating shafts to rotate synchronously; the suckers are connected with one of the rotating shafts through connecting pieces respectively.

8. The retainer ring automatic fixing and gripping device according to claim 7, wherein: the second rotary driving device comprises a plurality of second synchronous belt wheels, a second synchronous belt, a driving wheel and a second servo motor; a plurality of the second synchronous pulley is connected with one of the rotating shafts respectively, the driving wheel is connected with the output end of the second servo motor, and the second synchronous belt is wound on the second synchronous pulleys and the driving wheel.

9. The automatic retaining ring fixing and gripping device according to claim 8, wherein: the sucking disc adjusting device is provided with a second origin sensor which comprises a second emitter arranged on the driving wheel and a second receiver arranged on the mounting plate; when the driving wheel is in the initial state, the second receiver can receive the signal transmitted by the second transmitter.

10. The automatic retaining ring fixing and grabbing device of claim 1, characterized in that: the retaining ring sucking and moving mechanism also comprises a lifting cylinder and a translation driving device; the output end of the lifting cylinder is connected with the mounting plate, and the lifting cylinder is connected with the output end of the translation driving device.