Auxiliary device for mechanical arm machining

By designing an auxiliary device for machining of robotic arm that includes a snap assembly, a rotary lock assembly and a sliding lock assembly, the problem that traditional tooling fixtures cannot quickly adapt to parts of different shapes and sizes is achieved quickly for parts of different shapes and sizes. Clamping and limiting improve the efficiency of robotic arm machining.

CN222471562UActive Publication Date: 2025-02-14TIANJIN HENGYUAN CHUANGZHI TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420256939.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-02
Publication Date
2025-02-14
Estimated Expiration
2034-02-02

AI Technical Summary

Technical Problem

Traditional tooling fixtures can only clamp parts of fixed shapes and cannot quickly adapt to parts of different shapes and sizes, resulting in insufficiency in machining of robotic arms.

Method used

An auxiliary device for machining of robotic arm is designed, using a snapping assembly, a rotary lock assembly and a sliding lock assembly. The extruded column and a rotary plate are driven by the motor to achieve quick clamping and limiting of parts of different shapes and sizes.

Benefits of technology

It realizes rapid clamping of parts of different shapes and sizes, improves the working efficiency of robotic arm processing, and reduces the need for manual fixture replacement.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222471562U_ABST
    Figure CN222471562U_ABST
Patent Text Reader

Abstract

The utility model discloses an auxiliary device for mechanical arm machining, and relates to the field of auxiliary devices for mechanical arm machining, the auxiliary device comprises a workbench, the upper wall of the workbench is fixedly connected with a fixing plate, the outer wall of the fixing plate is fixedly connected with a motor penetrating to the outer wall of the other end of the fixing plate, and the output end of the motor is provided with a clamping assembly. By arranging the clamping assembly, parts of different shapes and sizes can be clamped and limited through the outwards-moving extrusion column, and by arranging the rotating locking assembly and the sliding locking assembly, when the rotating plate does not limit the parts, the cylinder conducts transferring limiting on the rotating plate and the rotating shaft; when the part is limited by the rotating plate, the connecting plate is pulled upwards, the connecting plate drives the cylinder and the extrusion block to synchronously move upwards so as to relieve transfer limiting on the rotating plate and the rotating shaft, meanwhile, the upward-moving extrusion block extrudes the insertion block so as to realize sliding locking on the sliding plate, and therefore the purpose of rapidly clamping parts in different shapes is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of auxiliary devices for mechanical arm processing, in particular to an auxiliary device for mechanical arm processing. Background Art

[0002] A robotic arm refers to a complex system with high precision, multiple inputs and outputs, high nonlinearity, and strong coupling. Due to its unique operational flexibility, it has been widely used in the processing and production of various parts. In the process of processing parts by the robotic arm, tooling fixtures are usually used to clamp and fix the parts to assist the robotic arm in processing.

[0003] However, traditional tooling fixtures can only clamp and fix parts of fixed shapes. When fixtures of different shapes and sizes need to be fixed, different fixtures need to be manually replaced for clamping and fixing. This operation is relatively labor-intensive and greatly reduces the work efficiency of robotic arm processing. Based on this, an auxiliary device for robotic arm processing is provided, which can quickly clamp and fix parts of different shapes and sizes. Utility Model Content

[0004] The utility model aims to provide a mechanical arm processing auxiliary device in order to realize the purpose of fast clamping and fixing parts of different shapes and sizes.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an auxiliary device for machining a robot arm, comprising a workbench, the upper wall of the workbench is fixedly connected to a fixed plate, the outer wall of the fixed plate is fixedly connected to a motor penetrating to the outer wall of the other end of the fixed plate, and the output end of the motor is provided with a clamping assembly, and the clamping assembly comprises:

[0006] A rotating plate fixedly connected to the output end of the motor, wherein a first storage groove is provided inside the rotating plate, a convex plate is provided inside the first storage groove, a first spring is fixedly connected to the outer wall of the convex plate, an extrusion column is fixedly connected to the outer wall of the first spring, and the extrusion column extends to the outer wall of the rotating plate;

[0007] The workbench is provided with a convex sliding groove extending to the upper wall of the workbench, and a rotation locking assembly is slidably connected to the interior of the convex sliding groove, and the rotation locking assembly includes:

[0008] A slide plate slidably connected to the inside of the convex slide groove, wherein a vertical groove is provided inside the slide plate, a connecting plate is slidably connected inside the vertical groove, and a cylinder and an extrusion block are fixedly connected to the bottom wall of the connecting plate in sequence;

[0009] A second storage groove is formed on the upper wall of the connecting plate, a third spring is fixedly connected to the inner wall of the second storage groove, an L-shaped locking block is fixedly connected to one end of the third spring, and the bottom of the L-shaped locking block penetrates the outer wall of the connecting plate;

[0010] A sliding locking assembly is provided at the bottom of the slide plate, and the sliding locking assembly comprises:

[0011] A second slide groove is opened at the bottom of the slide plate, one end of the second slide groove is connected with the vertical groove, and the other end of the second slide groove extends to the outer wall of the second slide groove, the upper wall of the second slide groove is fixedly connected with a baffle, the outer wall of the baffle is fixedly connected with a fourth spring, and one end of the fourth spring is fixedly connected with a plug-in block.

[0012] As a further solution of the utility model: a limit assembly is provided inside the convex plate, and the limit assembly includes:

[0013] A lifting groove is provided inside the convex plate, the bottom wall of the lifting groove is fixedly connected to a second spring, and the top end of the second spring is fixedly connected to a locking block;

[0014] The outer wall of the rotating plate is provided with a first sliding groove for the convex plate to slide at the protruding part of the convex plate, the outer wall of the first sliding groove is fixedly connected with a solid block, and a first limiting groove is provided inside the solid block.

[0015] As a further solution of the utility model: a plurality of fourth limiting grooves distributed horizontally are opened on the inner wall of the workbench near one side of the plug-in block, and the length and height of the fourth limiting grooves match the length and height of the plug-in block respectively.

[0016] As a further solution of the utility model: the lifting groove and the limit block are both in an inverted "7" shape when viewed from the right, and the width and height of the protruding part of the lifting groove match the width and height of the solid block respectively, and the length and width of the protruding part of the limit block match the length and width of the first limit groove respectively.

[0017] As a further solution of the utility model: the internal rotation of the skateboard is connected to the rotating shaft, the internal rotation of the skateboard is connected to the rotating shaft, the outer wall of the other end of the rotating shaft is fixedly connected to another group of locking components, and the outer wall of the rotating shaft is provided with a plurality of third limiting grooves distributed in a circular shape, and the diameter of the third limiting grooves matches the diameter of the cylinder.

[0018] As a further solution of the utility model: two vertically distributed second limit grooves are provided on the outer wall of the skateboard close to one side of the L-shaped locking block, and the length and height of the second limit grooves respectively match the length and height of the protruding part of the bottom of the L-shaped locking block.

[0019] As a further solution of the utility model: the bottom of the extrusion block is in a right-angled trapezoidal shape, and the outer wall of the bottom of the extrusion block close to the plug-in block is inclined downward, which is convenient for extruding the plug-in block to achieve sliding locking of the slide plate and the workbench.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] By setting a positioning component, the outward-moving extrusion column can clamp and limit parts of different shapes and sizes. By setting a rotating locking component and a sliding locking component, when the turn plate does not limit the part, the cylinder limits the turn plate and the rotating shaft for transfer. When the turn plate has completed limiting the part, the connecting plate is pulled up, and the connecting plate drives the cylinder and the extrusion block to move up synchronously to release the transfer limit on the turn plate and the rotating shaft. At the same time, the upward-moving extrusion block squeezes the plug-in block to achieve the sliding locking of the slide plate, thereby achieving the purpose of quickly clamping parts of different shapes and sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 It is a cross-sectional view of the connection between the workbench and the rotating locking assembly and the sliding locking assembly of the utility model;

[0024] Figure 3 It is a cross-sectional view of the connection between the rotation locking assembly, the rotating shaft and the rotating plate of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the rotation locking assembly of the utility model;

[0026] Figure 5 This is a cross-sectional view of the connection between the workbench and the clamping assembly of the utility model;

[0027] Figure 6 This is a cross-sectional view of the connection between the rotating plate and the limiting assembly of the utility model;

[0028] Figure 7 It is a cross-sectional view of the locking assembly structure of the utility model.

[0029] In the figure: 1, workbench; 2, fixed plate; 3, motor; 4, positioning assembly; 401, rotating plate; 402, first storage slot; 403, convex plate; 404, first spring; 405, extrusion column; 5, limiting assembly; 501, lifting slot; 502, second spring; 503, limiting block; 504, first slide slot; 505, solid block; 506, first limiting slot; 6, convex slide slot; 7, rotation locking assembly; 701, slide plate ; 702, connecting plate; 703, cylinder; 704, extrusion block; 705, second storage slot; 706, third spring; 707, L-shaped locking block; 708, vertical slot; 709, second limit slot; 8, rotating shaft; 9, third limit slot; 10, sliding locking assembly; 1001, second slide slot; 1002, baffle; 1003, fourth spring; 1004, plug-in block; 1005, fourth limit slot; 11, robotic arm. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figures 1 to 7 In an embodiment of the utility model, a robot arm processing auxiliary device includes a workbench 1, the upper wall of the workbench 1 is fixedly connected to a fixed plate 2, the outer wall of the fixed plate 2 is fixedly connected to a motor 3 that penetrates the outer wall of the other end of the fixed plate 2, and the output end of the motor 3 is provided with a clamping component 4, and the clamping component 4 includes:

[0032] A rotating plate 401 fixedly connected to the output end of the motor 3, a first storage groove 402 is provided inside the rotating plate 401, a convex plate 403 is provided inside the first storage groove 402, a first spring 404 is fixedly connected to the outer wall of the convex plate 403, an extrusion column 405 is fixedly connected to the outer wall of the first spring 404, and the extrusion column 405 extends to the outer wall of the rotating plate 401;

[0033] The workbench 1 is provided with a convex chute 6 extending to the upper wall of the workbench 1. A rotation locking assembly 7 is slidably connected to the inside of the convex chute 6. The rotation locking assembly 7 includes:

[0034] A slide plate 701 is slidably connected to the inside of the convex slide groove 6, a vertical groove 708 is provided inside the slide plate 701, a connecting plate 702 is slidably connected inside the vertical groove 708, and a cylinder 703 and an extrusion block 704 are fixedly connected to the bottom wall of the connecting plate 702 in sequence;

[0035] A second storage groove 705 is formed on the upper wall of the connecting plate 702, a third spring 706 is fixedly connected to the inner wall of the second storage groove 705, an L-shaped locking block 707 is fixedly connected to one end of the third spring 706, and the bottom of the L-shaped locking block 707 penetrates the outer wall of the connecting plate 702;

[0036] The bottom of the slide plate 701 is provided with a sliding locking assembly 10, and the sliding locking assembly 10 includes:

[0037] A second slide groove 1001 is provided at the bottom of the slide plate 701, one end of the second slide groove 1001 is connected to the vertical groove 708, and the other end of the second slide groove 1001 extends to the outer wall of the second slide groove 1001, a baffle 1002 is fixedly connected to the upper wall of the second slide groove 1001, a fourth spring 1003 is fixedly connected to the outer wall of the baffle 1002, and one end of the fourth spring 1003 is fixedly connected to the plug-in block 1004;

[0038] A limit assembly 5 is provided inside the convex plate 403, and the limit assembly 5 includes:

[0039] A lifting groove 501 is provided inside the convex plate 403, a second spring 502 is fixedly connected to the bottom wall of the lifting groove 501, and a limiting block 503 is fixedly connected to the top end of the second spring 502;

[0040] The outer wall of the rotating plate 401 is provided with a first slide groove 504 for the convex plate 403 to slide at the protruding part of the convex plate 403 , and a solid block 505 is fixedly connected to the outer wall of the first slide groove 504 , and a first limiting groove 506 is provided inside the solid block 505 .

[0041] A plurality of fourth limiting grooves 1005 are horizontally distributed on the inner wall of the workbench 1 near the plug-in block 1004. The length and height of the fourth limiting grooves 1005 match the length and height of the plug-in block 1004 respectively.

[0042] The bottom of the extrusion block 704 is in a right-angle trapezoidal shape, and the outer wall of the bottom of the extrusion block 704 close to the plug-in block 1004 is inclined downwardly, so as to facilitate the extrusion of the plug-in block 1004 to realize the sliding locking of the slide plate 701 and the workbench 1;

[0043] Two vertically distributed second limiting grooves 709 are provided on the outer wall of the slide plate 701 near one side of the L-shaped locking block 707 , and the length and height of the second limiting grooves 709 match the length and height of the protruding part at the bottom of the L-shaped locking block 707 .

[0044] In this embodiment: when the auxiliary device for machining with a robot arm is in use, the slide plate 701 is first pulled to make the slide plate 701 slide along the inside of the convex slide groove 6 toward the side of the fixed plate 2. When the slide plate 701 slides to a suitable position, the part is placed above the protrusions of the two rotating plates 401. At this time, the two convex plates 403 are pulled in turn to make the two convex plates 403 move along the outside of the first storage groove 402. The two convex plates 403 respectively drive the extrusion columns 405 to move synchronously along the outside of the first storage groove 402. The outward-moving extrusion columns 405 gradually contact the outer wall of the part, and the part squeezes the extrusion columns 405 so that the extrusion columns 405 in contact with the outer wall of the part are squeezed and contracted to the first The second spring 502 drives the limit block 503 to move and reset along the top of the first limit groove 506 until the limit block 503 is inserted into the first limit groove 506, thereby locking the convex plate 403. At this time, the outward-moving limit column 405 achieves the clamping and fixing of the part.

[0045] When the locking cam 707 is in the locked state, the locking cam 707 is in the locked state, and the locking cam 707 is in the locked state. The cylinder 703 and the extrusion block 704 are locked in synchronous position. During this process, the cylinder 703 moves upward and gradually moves away from the inside of the third limit groove 9. At this time, the rotation lock of the rotating shaft 8 is released, and the upward extrusion block 704 gradually contacts and squeezes the plug-in block 1004, so that the plug-in block 1004 moves along the outside of the second slide groove 1001 until the plug-in block 1004 is inserted into the inside of the fourth limit groove 1005. At this time, the sliding lock of the slide plate 701 is achieved. At this time, the fixed parts can be processed by the robot arm 11, and when different parts of the parts need to be processed, the motor 3 can be started. The motor 3 drives the two rotating plates 401 to rotate synchronously, which can improve the efficiency of the robot arm 11 in processing parts. Through the cooperation of the above-mentioned parts, the purpose of quickly clamping and fixing parts of different shapes and sizes is achieved.

[0046] Please refer to Figure 6 The lifting groove 501 and the limiting block 503 are both in an inverted "7" shape when viewed from the right, and the width and height of the protruding part of the lifting groove 501 match the width and height of the solid block 505 respectively, and the length and width of the protruding part of the limiting block 503 match the length and width of the first limiting groove 506 respectively.

[0047] In this embodiment: in order to achieve position locking of the convex plate 403, a first limiting groove 506 of the same size as the limiting block 503 is set inside the solid block 505, so that the limiting block 503 can be inserted into the first limiting groove 506 to achieve sliding locking of the convex plate 403.

[0048] Please refer to Figure 3 The slide plate 701 is internally rotatably connected with a rotating shaft 8, and the outer wall of the other end of the rotating shaft 8 is fixedly connected with another set of locking components 4, and the outer wall of the rotating shaft 8 is provided with a plurality of third limiting grooves 9 distributed in a circumference, and the diameter of the third limiting grooves 9 matches the diameter of the cylinder 703.

[0049] In this embodiment: In order to achieve rotational locking and unlocking of the rotating shaft 8, a third limiting groove 9 with the same diameter as the cylinder 703 is opened on the outer wall of the rotating shaft 8, so that the cylinder 703 can be inserted into the third limiting groove 9 to achieve rotational locking of the rotating shaft 8.

[0050] Please refer to Figure 2 Two vertically distributed second limiting grooves 709 are provided on the outer wall of the slide plate 701 near one side of the L-shaped locking block 707, and the length and height of the second limiting grooves 709 match the length and height of the protruding part at the bottom of the L-shaped locking block 707 respectively.

[0051] In this embodiment: In order to achieve synchronous position locking and synchronous unlocking of the connecting plate 702, the cylinder 703, and the extrusion block 704, a second limiting groove 709 with the same length and height as the protruding part of the bottom of the L-shaped locking block 707 is opened on the outer wall of the slide plate 701 to facilitate the insertion of the L-shaped locking block 707 into the interior, thereby achieving synchronous position locking of the connecting plate 702, the cylinder 703, and the extrusion block 704.

[0052] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A robot arm processing auxiliary device, comprising a workbench (1), characterized in that: The upper wall of the workbench (1) is fixedly connected to a fixing plate (2), the outer wall of the fixing plate (2) is fixedly connected to a motor (3) penetrating the outer wall of the other end of the fixing plate (2), and the output end of the motor (3) is provided with a positioning assembly (4), and the positioning assembly (4) comprises: A rotating plate (401) fixedly connected to the output end of the motor (3), the rotating plate (401) having a first storage groove (402) formed therein, a convex plate (403) formed therein, the outer wall of the convex plate (403) being fixedly connected to a first spring (404), the outer wall of the first spring (404) being fixedly connected to an extrusion column (405), and the extrusion column (405) extending to the outer wall of the rotating plate (401); The workbench (1) is provided with a convex sliding groove (6) extending to the upper wall of the workbench (1), and a rotation locking assembly (7) is slidably connected to the inside of the convex sliding groove (6), and the rotation locking assembly (7) comprises: A slide plate (701) is slidably connected to the inside of the convex slide groove (6), a vertical groove (708) is provided inside the slide plate (701), a connecting plate (702) is slidably connected inside the vertical groove (708), and a cylinder (703) and an extrusion block (704) are fixedly connected to the bottom wall of the connecting plate (702) in sequence; The upper wall of the connecting plate (702) is provided with a second storage groove (705), the inner wall of the second storage groove (705) is fixedly connected with a third spring (706), one end of the third spring (706) is fixedly connected with an L-shaped locking block (707), and the bottom of the L-shaped locking block (707) passes through the outer wall of the connecting plate (702); A sliding locking assembly (10) is provided at the bottom of the slide plate (701), and the sliding locking assembly (10) comprises: A second slide groove (1001) is provided at the bottom of the slide plate (701), one end of the second slide groove (1001) is connected to the vertical groove (708), and the other end of the second slide groove (1001) extends to the outer wall of the second slide groove (1001), the upper wall of the second slide groove (1001) is fixedly connected with a baffle (1002), the outer wall of the baffle (1002) is fixedly connected with a fourth spring (1003), and one end of the fourth spring (1003) is fixedly connected with a plug-in block (1004).

2. The robot arm processing auxiliary device according to claim 1, characterized in that: A limiting assembly (5) is provided inside the convex plate (403), and the limiting assembly (5) comprises: A lifting groove (501) is provided inside the convex plate (403), the bottom wall of the lifting groove (501) is fixedly connected to a second spring (502), and the top end of the second spring (502) is fixedly connected to a limiting block (503); The outer wall of the rotating plate (401) is provided with a first sliding groove (504) for the convex plate (403) to slide at the protruding part of the convex plate (403), and the outer wall of the first sliding groove (504) is fixedly connected with a solid block (505), and the interior of the solid block (505) is provided with a first limiting groove (506).

3. The robot arm processing auxiliary device according to claim 1, characterized in that: A plurality of fourth limiting grooves (1005) distributed horizontally are provided on the inner wall of the workbench (1) near the plug-in block (1004), and the length and height of the fourth limiting grooves (1005) respectively match the length and height of the plug-in block (1004).

4. The robot arm processing auxiliary device according to claim 2, characterized in that: The lifting groove (501) and the limiting block (503) are both in an inverted "7"-shaped structure when viewed from the right, and the width and height of the protruding portion of the lifting groove (501) respectively match the width and height of the solid block (505), and the length and width of the protruding portion of the limiting block (503) respectively match the length and width of the first limiting groove (506).

5. The robot arm processing auxiliary device according to claim 1, characterized in that: The slide plate (701) is rotatably connected to a rotating shaft (8) inside, and another set of locking components (4) is fixedly connected to the outer wall of the other end of the rotating shaft (8). The outer wall of the rotating shaft (8) is provided with a plurality of third limiting grooves (9) distributed in a circumferential manner, and the diameter of the third limiting grooves (9) matches the diameter of the cylinder (703).

6. The robot arm processing auxiliary device according to claim 1, characterized in that: Two vertically distributed second limiting grooves (709) are provided on the outer wall of the slide plate (701) near one side of the L-shaped locking block (707), and the length and height of the second limiting grooves (709) respectively match the length and height of the protruding part at the bottom of the L-shaped locking block (707).

7. The robot arm processing auxiliary device according to claim 1, characterized in that: The bottom of the extrusion block (704) is in the shape of a right-angled trapezoid, and the outer wall of the bottom of the extrusion block (704) close to the plug-in block (1004) is inclined downward, so as to facilitate the extrusion of the plug-in block (1004) to achieve sliding locking of the slide plate (701) and the workbench (1).