A loading fixture

By designing a feeding fixture that includes transfer, material removal and shaping mechanism, the deformation problem caused by the robot directly grasping the thin plate-shaped workpiece is solved, and the precise shaping and precise assembly of the workpiece is achieved, ensuring high-precision assembly in the battery production process.

CN112743305BActive Publication Date: 2024-12-24GUANGDONG LYRIC ROBOT INTELLIGENT AUTOMATION CO LTD
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Patent Information

Application Number
CN201911054821.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-10-31
Publication Date
2024-12-24
Estimated Expiration
2039-10-31

AI Technical Summary

Technical Problem

During the battery production process, the robot directly grasps the thin plate-shaped workpiece and easily leads to deformation of the workpiece, which cannot meet the positioning accuracy requirements of precise assembly, resulting in assembly difficulties.

Method used

A feeding fixture is designed, including a transfer mechanism, a material collection mechanism and a plastic shaping mechanism. The workpiece is taken out through the material collection mechanism and shaping it with a plastic shaping mechanism to ensure accurate positioning and clamping. The plastic shaping mechanism includes suction cups, plastic shaping drives and clamping parts, and can achieve precise plastic shaping with the image sensing mechanism.

Benefits of technology

Through the material removal and shaping process, the accuracy of subsequent assembly parts is ensured, assembly difficulties caused by unplastication are avoided, and the precise assembly capability of the workpiece is improved.

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Abstract

The present invention discloses a loading fixture, which includes a transfer mechanism, a material taking mechanism and a shaping mechanism; the material taking mechanism and the shaping mechanism are both arranged on the transfer mechanism; wherein the transfer mechanism drives the material taking mechanism to take out a workpiece from a material storage device and place it at a predetermined position, and the shaping mechanism moves to the corresponding workpiece for shaping. The loading fixture of the present invention has a simple structure, and the workpiece is shaped by the shaping mechanism after the material is taken by the material taking mechanism, thereby ensuring the accuracy of the subsequent assembly of various components and avoiding the occurrence of assembly difficulties due to unshaping.
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Description

Technical Field

[0001] The present invention relates to the technical field of battery production, and in particular to a loading fixture. Background Art

[0002] During the battery production process, the various parts of the workpieces to be assembled that are stored in a unified manner need to be transported to the assembly line one by one. Currently, robots are mainly used for grabbing and loading materials. However, for thin plate-like workpieces, using robots to directly grab and load materials can easily cause the workpieces to deform, which cannot meet the high positioning accuracy requirements for the workpieces in the precise assembly of various parts, resulting in assembly difficulties. Summary of the invention

[0003] In view of the shortcomings of the prior art, the present invention discloses a loading fixture, which includes: a transfer mechanism, a material picking mechanism and a shaping mechanism; the material picking mechanism and the shaping mechanism are both arranged on the transfer mechanism; wherein the transfer mechanism drives the material picking mechanism to take out the workpiece from the storage device and place it at a predetermined position, and the shaping mechanism moves to the corresponding workpiece for shaping.

[0004] According to one embodiment of the present invention, the shaping mechanism comprises a shaping suction assembly and a shaping assembly; the shaping suction assembly and the shaping assembly are both connected to the transfer mechanism.

[0005] According to one embodiment of the present invention, the above-mentioned shaping suction assembly includes a suction cup; the suction cup is connected to the transfer mechanism.

[0006] According to one embodiment of the present invention, the shaping suction assembly further includes a suction detection member; the suction detection member is disposed on the fixing plate, and is used to detect whether there is a workpiece on the fixture.

[0007] According to one embodiment of the present invention, the above-mentioned shaping component includes a first shaping drive member, a second shaping drive member and a shaping clamping member; the second shaping drive member is connected to the output end of the first shaping drive member; and the shaping clamping member is connected to the output end of the second shaping drive member.

[0008] According to an embodiment of the present invention, the above-mentioned shaping assembly further includes a buffer; the buffer is arranged on the fixing plate, and the buffer limits the first shaping driving member.

[0009] According to one embodiment of the present invention, the shaping assembly further comprises a shaping limiter; the shaping limiter movably abuts against the shaping clamping member.

[0010] According to one embodiment of the present invention, the above-mentioned material picking mechanism includes a material picking driving component and a material picking clamping component; the material picking clamping component is connected to the output end of the material picking driving component.

[0011] According to one embodiment of the present invention, the above-mentioned material picking mechanism further includes a material picking detection member; the material picking detection member is used to detect whether there is material in the material storage device or whether the material picking clamping member has successfully picked up the material.

[0012] According to one embodiment of the present invention, the above-mentioned loading fixture further includes an image sensor mechanism; the image sensor mechanism is arranged on the transfer mechanism, and is used to collect the image of the workpiece.

[0013] The beneficial effects of the present invention are as follows: the loading fixture of the present invention has a simple structure, and after the material is picked up by the material picking mechanism, the workpiece is shaped by the shaping mechanism, thereby ensuring the accuracy of the subsequent assembly of various components and avoiding the occurrence of assembly difficulties due to unshaped parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0015] Figure 1 It is a structural schematic diagram of a loading fixture in an embodiment of the present invention;

[0016] Figure 2 Another structural schematic diagram of the loading fixture in the embodiment of the present invention;

[0017] Figure 3 It is another structural schematic diagram of the loading fixture in the embodiment of the present invention.

[0018] Description of reference numerals:

[0019] 2. Material loading fixture; 21. Transfer mechanism; 211. Fixed plate; 212. Quick-change connector; 22. Material picking mechanism; 221. Material picking drive member; 222. Material picking clamping member; 2221. Material picking moving plate; 2222. Material picking claw; 223. Material picking detection member; 224. Material picking limit member; 23. Shaping mechanism; 231. Shaping suction assembly; 2311. Suction cup; 2312. Suction detection member; 232. Shaping assembly; 2321. First shaping drive member; 2322. Second shaping drive member; 2323. Shaping clamping member; 23231. Shaping moving plate; 23232. Shaping claw; 2324. Buffer member; 2325. Shaping limit member; 2326. Slide plate; 2327. Connecting block; 24. Image sensing mechanism; 241. Image sensor; 242. Light source. DETAILED DESCRIPTION

[0020] The following will disclose multiple embodiments of the present invention with drawings. For the purpose of clear description, many practical details will be described together in the following description. However, it should be understood that these practical details should not be used to limit the present invention. That is, in some embodiments of the present invention, these practical details are not necessary. In addition, for the purpose of simplifying the drawings, some conventional structures and components will be depicted in a simple schematic manner in the drawings.

[0021] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0022] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0023] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings:

[0024] Please refer to Figure 1 , Figure 2 as well as Figure 3 , Figure 1 It is a structural schematic diagram of a loading fixture in an embodiment of the present invention; Figure 2 Another structural schematic diagram of the loading fixture in the embodiment of the present invention; Figure 3 It is another structural schematic diagram of the loading fixture in the embodiment of the present invention. As shown in the figure, the loading fixture 2 of the present application includes a transfer mechanism 21, a material picking mechanism 22, a shaping mechanism 23 and an image sensing mechanism 24. The transfer mechanism 21 is a mechanical arm, and the hand of the transfer mechanism 21 is connected to a fixed plate 211, and the material picking mechanism 22, the shaping mechanism 23 and the image sensing mechanism 24 are all arranged on the fixed plate 211. The hand of the transfer mechanism 21 is connected to the fixed plate 211 through a quick-change joint 212. In this way, the clamp of the hand of the transfer mechanism 21 can be quickly replaced, so that the same transfer mechanism 21 can be used to clamp different workpieces.

[0025] During specific application, the transfer mechanism 21 drives the material picking mechanism 22 to move to the corresponding material storage device, the material picking mechanism 22 takes the workpiece from the material storage device and places it at a predetermined position, and then the transfer mechanism 21 drives the shaping mechanism 23 to move to the corresponding workpiece, the shaping mechanism 23 fixes and shapes the workpiece, and after shaping, the workpiece is transported to the assembly line. Before the transfer mechanism 21 drives the material picking mechanism 22 or the shaping mechanism 23 to move, the image sensing mechanism 24 can be used to photograph and locate the workpiece, so as to control the transfer mechanism 21 to drive the material picking mechanism 22 or the shaping mechanism 23 to accurately clamp or fix and shape the workpiece. In this embodiment, the workpiece is a bipolar plate.

[0026] The material picking mechanism 22 includes a material picking drive 221, a material picking clamp 222, a material picking detection member 223 and a material picking limit member 224. The material picking drive 221 is arranged on the fixed plate 211, and the material picking drive 221 is a bidirectional cylinder. The material picking clamp 222 includes a material picking moving plate 2221 and material picking claws 2222 arranged at both ends of the material picking moving plate 2221. The material picking moving plate 2221 is slidably arranged on the fixed plate 211 through a guide rail slider, and the material picking moving plate 2221 is connected to the output end of the material picking drive 221. The material picking detection member 223 is arranged on the fixed plate 211, and the material picking detection member 223 faces the material storage device or the material picking clamp 222. The material picking detection member 223 is used to detect whether there is material in the material storage cavity of the material storage device or whether the material picking clamp 222 successfully picks up the material. The material picking detection member 223 is a reflective photoelectric sensor. The material picking limiter 224 is arranged on the fixed plate 211, and the material picking limiter 224 is a limiter block, and the material picking limiter 224 movably abuts against the material picking movable plate 2221. In this embodiment, the number of the material picking clamping members 222 is two, and correspondingly, the number of the material picking limiter 224 is also two, the two material picking clamping members 222 are arranged opposite to each other, and the two material picking limiters 224 are also arranged opposite to each other, and the two material picking limiters 224 are located on both sides of the two material picking clamping members 222. When picking materials, the transfer mechanism 21 drives the material picking mechanism 22 to correspond to the workpiece, and the material picking driving member 221 drives the two material picking movable plates 2221 to move toward each other, and the material picking claws 2222 on the two material picking movable plates 2221 are close to achieve the clamping of the workpiece, and then continue to move in the transfer mechanism The workpiece is transferred to the corresponding transfer platform under the drive of 21, and the material picking driving part 221 drives the two material picking moving plates 2221 to move oppositely, and the material picking claws 2222 on the two material picking moving plates 2221 move away from each other to loosen the workpiece, and place the workpiece on the transfer platform. During the movement of the material picking moving plate 2221, the material picking limiting part 224 limits the material picking moving plate 2221 so that it can only slide within a certain distance. In this way, it can avoid the material picking moving plate 2221 and the material picking claws 2222 from affecting the workpiece adjacent to the workpiece to be clamped in the storage device during material picking.

[0027] The shaping mechanism 23 includes a shaping suction component 231 and a shaping component 232. Both the shaping suction component 231 and the shaping component 232 are arranged on the fixed plate 211. The shaping suction component 231 includes a suction cup 2311 and a suction detection component 2312. The suction cup 2311 is arranged on the fixed plate 211, and the suction cup 2311 faces the workpiece. The suction detection component 2312 is arranged on the fixed plate 211, and the suction detection component 2312 faces the workpiece. The suction detection component 2312 is a reflective photoelectric sensor. Before the suction cup 2311 absorbs the workpiece, the suction detection component 2312 detects whether there is a workpiece at the predetermined position. If there is a workpiece at the predetermined position, the workpiece is photographed and positioned for absorption, and the shaping component 232 shapes the workpiece. The shaping component 232 includes a first shaping driving component 2321, a second shaping driving component 2322, a shaping clamping component 2323, a buffer component 2324, and a shaping limiter 2325. The first shaping driver 2321 is arranged on the fixed plate 211, and the first shaping driver 2321 is a bidirectional cylinder. The second shaping driver 2322 is arranged on a slide plate 2326 which is slidably arranged on the fixed plate 211 through a guide rail slider, and the slide plate 2326 is connected to the output end of the first shaping driver 2321 through a connecting block 2327. The shaping clamping member 2323 includes a shaping moving plate 23231 and shaping jaws 23232 arranged at both ends of the shaping moving plate 23231, and the shaping moving plate 23231 is connected to the output end of the second shaping driver 2322. The buffer 2324 is arranged on the fixed plate 211, and the buffer 2324 is movably abutted against the connecting block 2327. The buffer 2324 is a buffer. During the sliding process of the slide plate 2326, the buffer 2324 plays a buffering and limiting role. The shaping limiter 2325 is arranged on the fixed plate 211, and the shaping material limiter is a limit block, and the shaping limiter 2325 movably abuts against the shaping movable plate 23231. During the shaping process, the shaping limiter 2325 limits the shaping movable plate 23231 so that it can only slide within a certain distance, so as to avoid its moving distance being too large and colliding with other parts.

[0028] In this embodiment, the number of the second shaping drive member 2322, the shaping clamping member 2323, the buffer member 2324 and the shaping limit member 2325 is two. During shaping, the transfer mechanism 21 drives the shaping mechanism 23 to move to the workpiece on the corresponding transfer platform, and the first shaping drive member 2321 drives the two second shaping drive members 2322 to slide toward each other along the guide rail sliders, and slide to the four corners of the workpiece corresponding to the shaping jaws 23232. The two second shaping drive members 2322 respectively drive two groups of two opposite shaping moving plates 23231 to move toward each other, and the shaping moving plates 23231 drive the shaping jaws 23232 to move toward each other, and the shaping jaws 23232 clamp and shape the four corners of the workpiece.

[0029] It should be noted that the second shaping drive component 2322 close to the material picking mechanism 22 can be omitted, and the shaping component 232 and the material picking mechanism 22 share the material picking drive component 221 of the material picking mechanism 22 to pick up materials and clamp and shape. That is, the shaping movable plate 23231 and the material picking movable plate 2221 can be connected to the output end of the material picking drive component 221 at the same time. In this way, production costs can be saved. In addition, the common material picking drive component 221 can be set on an external connecting plate connected to the fixed plate 211. In this way, it is convenient to assemble and replace the material picking drive component 221.

[0030] The image sensing mechanism 24 includes an image sensor 241 and a light source 242. The image sensor 241 is disposed on the fixed plate 211, and the light source 242 is disposed at the image acquisition end of the image sensor 241. In this embodiment, the image sensor 241 is a CCD camera, and the light source 242 is an LED. In specific applications, the image sensor 241 takes pictures of the workpiece to collect images, and feeds back the obtained information to the control system of the loading fixture 2. The control system of the loading fixture 2 controls the transfer mechanism 21 to drive the material picking mechanism 22 or the shaping mechanism 23 to move, so as to achieve accurate material picking and shaping. When the image sensor 241 takes pictures of the workpiece, the light source 242 plays the role of auxiliary lighting to obtain a clear image; of course, the image sensor 241 may also be other components, and the light source 242 may also be other components that can play a lighting role. The above is only one embodiment of the present invention and should not be limited thereto.

[0031] In specific applications, the above-mentioned transfer mechanism 21, material taking mechanism 22, shaping mechanism 23 and image sensor mechanism 24 are all electrically connected to the control system of the loading fixture 2, and the control system of the loading fixture 2 controls the transfer mechanism 21, material taking mechanism 22, shaping mechanism 23 and image sensor mechanism 24 to achieve the effect of automatic control of the loading fixture 2. Of course, the control system of the loading fixture 2 can be any one of an industrial computer, a PLC or a single-chip microcomputer, which will not be repeated here.

[0032] To sum up, in one or more embodiments of the present invention, the loading fixture 2 of the present invention has a simple structure. After the material is picked up by the picking mechanism 22, the workpiece is shaped by the shaping mechanism 23, thereby ensuring the accuracy of the subsequent assembly of various components and avoiding the occurrence of assembly difficulties due to unshaped parts.

[0033] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A feeding fixture, characterized in that: include: A transfer mechanism (21), a material taking mechanism (22) and a shaping mechanism (23); the material taking mechanism (22) and the shaping mechanism (23) are both arranged on the transfer mechanism (21); wherein the transfer mechanism (21) drives the material taking mechanism (22) to take out a workpiece from a material storage device and place it at a predetermined position, and the shaping mechanism (23) moves to the corresponding workpiece for shaping; The material picking mechanism (22) comprises a material picking driving component (221) and a material picking clamping component (222); the material picking clamping component (222) is connected to the output end of the material picking driving component (221); The shaping mechanism (23) comprises a shaping suction component (231) and a shaping component (232); the shaping suction component (231) and the shaping component (232) are both connected to the transfer mechanism (21); The transfer mechanism (21) is connected to a fixed plate (211), and the material taking drive component (221), the shaping suction component (231) and the shaping component (232) are all arranged on the fixed plate (211); The shaping assembly (232) comprises a first shaping driving member (2321), a second shaping driving member (2322), a shaping clamping member (2323), a buffer member (2324) and a shaping limiting member (2325); the first shaping driving member (2321) is arranged on the fixed plate (211); the second shaping driving member (2322) is arranged on a slide plate (2326) slidably connected to the fixed plate (211), and the slide plate (2326) is connected to the output end of the first shaping driving member (2321) via a connecting block (2327); the shaping clamping member (2323) comprises a shaping moving plate (23231) and shaping clamping claws (23232) arranged at two ends of the shaping moving plate (23231); The shaping movable plate (23231) is connected to the output end of the second shaping driving member (2322); the buffer member (2324) is arranged on the fixed plate (211), and the buffer member (2324) movably abuts against the connecting block (2327); during the sliding process of the sliding plate (2326), the buffer member (2324) plays a buffering and limiting role; the shaping limiting member (2325) is arranged on the fixed plate (211), and the shaping limiting member (2325) movably abuts against the shaping movable plate (23231); during the shaping process, the shaping limiting member (2325) limits the shaping movable plate (23231) so that it can only slide within a certain distance, thereby preventing it from moving too far and colliding with other parts.

2. The loading fixture according to claim 1, characterized in that: The shaping suction component (231) comprises a suction cup (2311); the suction cup (2311) is connected to the transfer mechanism (21).

3. The loading fixture according to claim 2, characterized in that: The shaping suction component (231) further comprises a suction detection member (2312); the suction detection member (2312) is arranged on the fixing plate (211) and is used to detect whether the workpiece exists on the fixture.

4. The loading fixture according to claim 1, characterized in that: The material taking mechanism (22) further comprises a material taking detection member (223); the material taking detection member (223) is used to detect whether there is material in the material storage device or whether the material taking clamping member (222) has successfully taken material.

5. The loading fixture according to claim 1, characterized in that: It also includes an image sensing mechanism (24); the image sensing mechanism (24) is arranged on the transfer mechanism (21) and is used to collect an image of the workpiece.

Citation Information

Patent Citations

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