Robot clamp

By designing a robot fixture containing a fixed frame, guide rod, sliding plate and limiting components, combined with drive systems such as hydraulic push rods, electric push rods and brushless motors, the clamping problem caused by irregular shapes on the surface of the workpiece is solved, and a more stable workpiece clamping is achieved.

CN222958659UActive Publication Date: 2025-06-10SHENZHEN INSTITUTE OF INFORMATION TECHNOLOGY
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Patent Information

Application Number
CN202421260410.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-06-10
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

When handling workpieces, existing robot fixtures have irregular shapes and grooves of different sizes when dealing with workpieces, resulting in insufficient clamping and insufficient clamping of workpieces.

Method used

A robot fixture is designed, adopting structures such as fixed frames, guide rods, sliding plates, limiting components, etc., and through driving systems such as hydraulic push rods, electric push rods, brushless motors, etc., it is combined with multiple buffer blocks and limiting blocks to achieve the clamping of large and small grooves on the surface of the workpiece.

Benefits of technology

The clamping of the workpiece is achieved more in line with the clamping, and the clamping is more stable, avoiding the deviation of the sliding plate during sliding, and improving the fixing stability of the workpiece.

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Abstract

The utility model relates to the technical field of clamps, in particular to a robot clamp which comprises a fixing frame, the side face of the inner wall of the fixing frame is fixedly connected with a guide rod, the outer side of the guide rod is slidably connected with a pair of symmetrically-arranged sliding plates, and the inner sides of the sliding plates are provided with first empty grooves. A second empty groove is formed in the inner side of the sliding plate, and a first limiting assembly is arranged in the first empty groove. And a second limiting assembly is arranged in the second empty groove. According to the workpiece clamping device, a workpiece is preliminarily clamped through the hydraulic push rod, the fixing rod, the deflection rod, the rotating cylinder, the limiting rod, the positioning frame and the sliding plate, the electric push rod and the clamping block are clamped with a large groove in the surface of the workpiece, the brushless motor, the threaded rod, the sliding block, the electric push rod and the limiting block are arranged in a matched mode, and the limiting block is clamped with a small groove in the surface of the workpiece; the clamping of the workpiece is more matched, and the clamping is more stable.
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Description

Technical Field

[0001] The utility model relates to the technical field of jigs, in particular to a robot jig. Background Art

[0002] A robot jig refers to a device used to fix a processing object during the mechanical manufacturing process, so that it occupies the correct position to receive construction or detection, also known as a fixture. Generally speaking, any device used to quickly, conveniently and safely install a workpiece in any process of the process can be called a fixture, and a robot jig is a tool for processing products.

[0003] In view of the above related technologies, the inventor believes that in the existing jigs, due to the irregular surface shape of the workpiece and the presence of grooves of different sizes, when the jig clamps the workpiece, the clamping is not well-fitted, resulting in unstable clamping of the workpiece. Therefore, the utility model provides a robot jig. Summary of the Utility Model

[0004] The purpose of this application is to provide a robot jig to solve the problem that due to the irregular surface shape of the workpiece and the presence of grooves of different sizes, when the jig clamps the workpiece, the clamping is not well-fitted, resulting in unstable clamping of the workpiece as mentioned in the above background art.

[0005] To achieve the above purpose, this application provides the following technical solution: A robot jig includes a fixed frame. A guiding rod is fixedly connected to the inner side surface of the fixed frame. A pair of symmetrically arranged sliding plates are slidably connected to the outer side of the guiding rod. A first empty slot is opened on the inner side of the sliding plate, and a second empty slot is opened on the inner side of the sliding plate. A first limiting component is arranged in the first empty slot; a second limiting component is arranged in the second empty slot.

[0006] Preferably, the first limiting component includes a fixed block fixedly connected to the bottom of the inner wall of the first empty slot. An electric push rod is fixedly connected to the side of the fixed block. A clamping block is fixedly connected to the output end of the electric push rod. A plurality of uniformly distributed buffer blocks are fixedly connected to the side of the clamping block.

[0007] Preferably, the second limiting component includes a threaded rod rotatably connected to the inner side surface of the second empty slot. A slider is threadedly connected to the outer side of the threaded rod. An electric push rod is fixedly connected to the side of the slider. A limiting block is fixedly connected to the output end of the electric push rod.

[0008] Preferably, a placement rack is fixedly connected to the outer side of the sliding plate. A brushless motor is fixedly connected to the inner wall of the placement rack. The output end of the brushless motor penetrates through the sliding plate, and the output end of the brushless motor is fixedly connected to the threaded rod.

[0009] Preferably, a fixing frame is fixedly connected to the top of the fixing frame, and a hydraulic push rod is fixedly connected to the inner wall of the fixing frame.

[0010] Preferably, the output end of the hydraulic push rod is fixedly connected to a fixing rod, and a pair of deflection rods are hinge-connected to the outside of the fixing rod. A rotating cylinder is arranged at one end of the deflection rod away from the fixing rod. A positioning frame is fixedly connected to the top of the sliding plate, and a limiting rod is fixedly connected to the side surface of the inner wall of the positioning frame. The rotating cylinder is rotatably connected to the limiting rod.

[0011] Preferably, through holes are formed in the outside of the fixing frame, and a plurality of rubber pads are fixedly connected to the side surface of the sliding plate.

[0012] In summary, the technical effects and advantages of the present utility model are as follows:

[0013] 1. In the present utility model, the workpiece is initially clamped through the hydraulic push rod, the fixing rod, the deflection rod, the rotating cylinder, the limiting rod, the positioning frame, and the sliding plate. The electric push rod and the clamping block are engaged with the large groove on the surface of the workpiece. Through the cooperation of the brushless motor, the threaded rod, the slider, the electric push rod, and the limiting block, the limiting block is engaged with the small groove on the surface of the workpiece, so that the clamping of the workpiece is more fitting and the clamping is more stable.

[0014] 2. In the present utility model, a plurality of rubber pads are fixedly connected to the side surface of the sliding plate, so as to perform pressure buffering during the clamping process of the workpiece. The setting of the guide rod avoids the situation that the sliding plate is offset during the sliding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0016] Figure 1 It is a first perspective axonometric structure diagram of the present utility model;

[0017] Figure 2 It is a second perspective axonometric structure diagram of the present utility model;

[0018] Figure 3 It is a structure diagram of the first empty slot and the second empty slot in the present utility model;

[0019] Figure 4 It is Figure 2 An enlarged structure diagram of part A.

[0020] In the figure: 1. Fixed frame; 2. Fixed bracket; 3. Hydraulic push rod; 4. Fixed rod; 5. Deflection rod; 6. Rotating cylinder; 7. Positioning bracket; 8. Guide rod; 9. Through hole; 10. Sliding plate; 11. First empty slot; 12. Second empty slot; 13. Fixed block; 14. Electric push rod; 15. Clamping block; 16. Placing rack; 17. Brushless motor; 18. Threaded rod; 19. Slide block; 20. Rubber pad; 21. Buffer block; 22. Electric push rod; 23. Limit rod; 24. Limit block. Detailed implementation manner

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0022] In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, terms such as "installation", "provided with", "sheathed / connected", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0023] Embodiment 1:

[0024] Refer to Figures 1-4A robot fixture shown in the figure includes a fixed frame 1. On the side of the inner wall of the fixed frame 1, a guide rod 8 is fixedly connected. A pair of symmetrically arranged sliding plates 10 are slidably connected to the outside of the guide rod 8. A first empty slot 11 is provided inside the sliding plate 10, and a second empty slot 12 is provided inside the sliding plate 10. A first limiting component is arranged in the first empty slot 11; a second limiting component is arranged in the second empty slot 12 to facilitate more fitting clamping and limiting of the workpiece. The first limiting component includes a fixed block 13 fixedly connected to the bottom of the inner wall of the first empty slot 11, an electric push rod 14 fixedly connected to the side of the fixed block 13. The output end of the electric push rod 14 is fixedly connected with a clamping block 15. A plurality of uniformly distributed buffer blocks 21 are fixedly connected to the side of the clamping block 15 to facilitate clamping the large grooves on the surface of the workpiece. The second limiting component includes a threaded rod 18 rotatably connected to the side of the inner wall of the second empty slot 12. A slider 19 is threadedly connected to the outside of the threaded rod 18. An electric push rod 22 is fixedly connected to the side of the slider 19. The output end of the electric push rod 22 is fixedly connected with a limiting block 24 to facilitate clamping the small grooves on the surface of the workpiece. A placement rack 16 is fixedly connected to the outside of the sliding plate 10. A brushless motor 17 is fixedly connected to the inner wall of the placement rack 16. The output end of the brushless motor 17 penetrates the sliding plate 10, and the output end of the brushless motor 17 is fixedly connected with the threaded rod 18. The brushless motor 17 drives the threaded rod 18 to rotate.

[0025] In this embodiment, after the workpiece is initially clamped, control the electric push rod 14 to drive the clamping block 15 to move and engage with the large grooves on the surface of the workpiece. Control the brushless motor 17 to drive the threaded rod 18 to rotate, drive the electric push rod 22 and the slider 19 to move to a suitable position through the slider 19, control the electric push rod 22 to drive the slider 19 to move and engage with the small grooves on the surface of the workpiece, so that the clamping of the workpiece by the sliding plate 10 is more fitting.

[0026] Embodiment Two:

[0027] Reference Figures 1-4 Based on the same concept as in the above Embodiment One, this embodiment also proposes that a fixed frame 2 is fixedly connected to the top of the fixed frame 1. A hydraulic push rod 3 is fixedly connected to the inner wall of the fixed frame 2. The fixed frame 2 plays a supporting role for the hydraulic push rod 3; the output end of the hydraulic push rod 3 is fixedly connected with a fixed rod 4. A pair of deflection rods 5 are hinged to the outside of the fixed rod 4. A rotating cylinder 6 is arranged at one end of the deflection rod 5 away from the fixed rod 4. A positioning frame 7 is fixedly connected to the top of the sliding plate 10. A limiting rod 23 is fixedly connected to the side of the inner wall of the positioning frame 7. The rotating cylinder 6 is rotatably connected with the limiting rod 23, and drives the limiting rod 23, the positioning frame 7, and the sliding plate 10 to move through the rotating cylinder 6; a through hole 9 is provided on the outside of the fixed frame 1. A plurality of rubber pads 20 are fixedly connected to the side of the sliding plate 10 to buffer the pressure during the clamping of the workpiece.

[0028] In this embodiment, the hydraulic push rod 3 is controlled to drive the fixed rod 4 to move upward. The fixed rod 4 drives the sliding plate 10 to slide along the guide rod 8 through the deflection rod 5, the rotating cylinder 6, the limiting rod 23 and the positioning frame 7, so that a pair of sliding plates 10 approach each other to initially clamp the workpiece. When it is necessary to loosen the workpiece, the hydraulic push rod 3 is controlled to drive the fixed rod 4 to move downward, and the positioning frame 7 and the sliding plate 10 are driven to move away from each other through the deflection rod 5, the rotating cylinder 6 and the limiting rod 23, so as to release the clamping of the workpiece.

[0029] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A robot fixture, comprising a fixing frame (1), characterized in that: The inner wall side of the fixed frame (1) is fixedly connected to a guide rod (8), and the outer side of the guide rod (8) is slidably connected to a pair of symmetrically arranged sliding plates (10), the inner side of the sliding plate (10) is provided with a first empty slot (11), and the inner side of the sliding plate (10) is provided with a second empty slot (12), a first limit assembly is arranged in the first empty slot (11); a second limit assembly is arranged in the second empty slot (12); the first limit assembly includes a fixed block (13) fixedly connected to the bottom of the inner wall of the first empty slot (11), and the fixed block (13) is provided with a second limit assembly. 3), the output end of the electric push rod (14) is fixedly connected to a clamping block (15), and the side of the clamping block (15) is fixedly connected to a plurality of evenly distributed buffer blocks (21); the second limiting assembly comprises a threaded rod (18) rotatably connected to the side of the inner wall of the second hollow groove (12), the outer side of the threaded rod (18) is threadedly connected to a slider (19), the side of the slider (19) is fixedly connected to an electric push rod (22), and the output end of the electric push rod (22) is fixedly connected to a limiting block (24).

2. A robot fixture according to claim 1, characterized in that: The outer side of the sliding plate (10) is fixedly connected to a placement frame (16), the inner wall of the placement frame (16) is fixedly connected to a brushless motor (17), the output end of the brushless motor (17) passes through the sliding plate (10), and the output end of the brushless motor (17) is fixedly connected to the threaded rod (18).

3. A robot fixture according to claim 2, characterized in that: The top of the fixed frame (1) is fixedly connected to a fixed frame (2), and the inner wall of the fixed frame (2) is fixedly connected to a hydraulic push rod (3).

4. A robot fixture according to claim 3, characterized in that: The output end of the hydraulic push rod (3) is fixedly connected to a fixed rod (4), the outer side of the fixed rod (4) is hingedly connected to a pair of deflection rods (5), and the end of the deflection rod (5) away from the fixed rod (4) is provided with a rotating cylinder (6), the top of the sliding plate (10) is fixedly connected to a positioning frame (7), the inner wall side of the positioning frame (7) is fixedly connected to a limiting rod (23), and the rotating cylinder (6) is rotatably connected to the limiting rod (23).

5. A robot fixture according to claim 4, characterized in that: A through hole (9) is provided on the outer side of the fixing frame (1), and a plurality of rubber pads (20) are fixedly connected to the side surface of the sliding plate (10).