Three-station part picking fixture mechanism

Abstract

The utility model relates to the technical field of fixture mechanism, concretely relates to three work position spare part taking fixture mechanism, including mounting seat, the first clamping mechanism body is established to the X direction of mounting seat, the second clamping mechanism body is established to the Z direction of mounting seat, the third clamping mechanism body is established to the Y direction of mounting seat, the flange disc for connecting the mechanical arm of industrial robot is established to the X direction end of mounting seat away, through setting up three independent clamping mechanisms of different clamping modes from three vertical directions on one mounting seat, the mounting seat is conveniently installed in an industrial robot through the flange disc, and the multi -step work piece circulation of the rotary body workpiece is realized through an industrial robot, saves the factory building space, and reduces the equipment cost.

Description

Technical Field

[0001] This utility model relates to the field of clamping mechanism technology, specifically to a three-station part-retrieving clamping mechanism. Background Technology

[0002] In the precision machining of rotating workpieces, the workpiece often needs to go through multiple transfers, clamping, and milling operations on different clamping fixtures on CNC machine tools from the initial blank to the finished product. For example, when boring a solid frustum blank, it needs to be clamped from the outer circumferential surface. When milling the circumferential surface of the rotating workpiece, it needs to be adjusted to be clamped from the inner boring part. In the existing technology, different industrial robots equipped with different clamping mechanisms are needed to transfer the workpiece between different clamping fixtures. Setting up multiple industrial robots not only increases equipment costs but also occupies a large area of ​​factory space. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a three-station part-picking fixture mechanism that can integrate three different fixture mechanisms into one, making it easy to install on an industrial robot. This allows for multi-step workpiece transfer of rotating workpieces through a single industrial robot, saving factory space and reducing equipment costs.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: A three-station part-retrieving clamping mechanism includes a mounting base. The mounting base has a first clamping mechanism body in the X direction, a second clamping mechanism body in the Z direction, and a third clamping mechanism body in the Y direction. The mounting base has a flange for connecting a robotic arm of an industrial robot at its end opposite to the X direction.

[0005] Furthermore, in the above-mentioned three-station part-retrieving fixture mechanism, the first clamping mechanism body includes a first clamping arm and a second clamping arm that are symmetrically connected to the first connecting seat. The inner side of the first clamping arm is provided with two mounting inclined surfaces, and the included angle between the two mounting inclined surfaces is 75-90 degrees. The mounting inclined surfaces are equipped with first jaws, and the inner side of the first jaws is provided with protrusions for abutting and clamping the workpiece.

[0006] Furthermore, in the aforementioned three-station part-retrieving fixture mechanism, the second clamping mechanism body includes a self-centering three-jaw chuck, which includes three L-shaped jaws arranged in a circumferential array.

[0007] Furthermore, in the above-mentioned three-station part-retrieving fixture mechanism, the third clamping mechanism body includes a third clamping arm and a fourth clamping arm that are symmetrically connected to the second connecting seat. The third clamping mechanism body also includes a buffer abutting mechanism for abutting the end face of the workpiece. The buffer abutting component includes a movable frame that is slidably connected to the second connecting seat along the Y direction through the buffer component, and four or more abutting columns arranged in a circumferential array on the movable frame.

[0008] Furthermore, in the aforementioned three-station part-retrieving clamping mechanism, the first clamping arm is pivotally connected to the first connecting seat via a first pivot shaft.

[0009] Furthermore, in the aforementioned three-station part-retrieving fixture mechanism, the third clamping arm is slidably connected to the second connecting seat along a straight line, and the movement direction of the third clamping arm is perpendicular to the Y direction.

[0010] The beneficial effects of this utility model are as follows: by setting three independent clamping mechanisms with different clamping methods in three vertical directions on a mounting base, the mounting base can be easily installed on an industrial robot through a flange, and the multi-step workpiece flow of the rotating workpiece can be realized through an industrial robot, saving factory space and reducing equipment costs. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of a three-station part-retrieving fixture mechanism according to a specific embodiment of the present utility model; Figure 2 for Figure 1 Enlarged view of part A; Figure 3 for Figure 1 Enlarged view of part B; Figure 4 for Figure 1 Enlarged view of part C; Label Explanation: 1. Mounting base; 11. Flange; 2. First clamping mechanism body; 21. First connecting seat; 22. First clamping arm; 221. Mounting inclined surface; 222. First gripper; 223. Protrusion; 23. Second clamping arm; 3. Second clamping mechanism body; 31. Self-centering three-jaw chuck; 32. L-shaped jaws; 4. Third clamping mechanism body; 41. Second connecting seat; 411. Sleeve; 42. Third clamping arm; 43. Fourth clamping arm; 44. Moving frame; 441. Limiting post; 45. Abutment post. Detailed Implementation

[0012] To explain in detail the technical content, objectives, and effects of this utility model, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0013] Please refer to Figures 1 to 4 The present invention relates to a three-station part-retrieving clamping mechanism, including a mounting base 1. The mounting base 1 has a first clamping mechanism body 2 in the X direction, a second clamping mechanism body 3 in the Z direction, and a third clamping mechanism body 4 in the Y direction. The mounting base 1 has a flange 11 for connecting a robotic arm of an industrial robot at the end opposite to the X direction.

[0014] In the above embodiments, by setting three independent clamping mechanisms with different clamping methods in three vertical directions on a mounting base 1, the mounting base 1 can be easily installed on an industrial robot via the flange 11. The industrial robot can realize multi-step workpiece transfer of rotating workpieces, saving factory space and reducing equipment costs.

[0015] In a preferred embodiment, the first clamping mechanism body 2 includes a first clamping arm 22 and a second clamping arm 23 symmetrically connected to the first connecting seat 21. The inner side of the first clamping arm 22 is provided with two mounting inclined surfaces 221, and the included angle between the two mounting inclined surfaces 221 is 75-90 degrees. The mounting inclined surfaces 221 are equipped with first grippers 222, and the inner side of the first grippers 222 is provided with protrusions 223 for abutting and clamping the workpiece.

[0016] In the above implementation methods, refer to Figure 2 The initial blank of the rotating workpiece is cylindrical. The protrusion 223 of the first clamping jaw 222, which is connected by the first clamping arm 22 and the second clamping arm 23, abuts against the circumferential surface of the cylinder to transfer the initial blank of the rotating workpiece to the clamping station of the CNC machine tool.

[0017] In a preferred embodiment, the second clamping mechanism body 3 includes a self-centering three-jaw chuck 31, which includes three L-shaped jaws 32 arranged in a circumferential array.

[0018] In the above implementation methods, refer to Figure 3 After the initial blank of the rotating workpiece is bored, it needs to be milled and finished on the outer side of the circumference. The second clamping mechanism body 3, equipped with a self-centering three-jaw chuck 31, clamps the workpiece from the inside of the boring part of the rotating workpiece, which is used to transfer the workpiece to different clamping positions.

[0019] In a preferred embodiment, the third clamping mechanism body 4 includes a third clamping arm 42 and a fourth clamping arm 43 symmetrically connected to the second connecting seat 41. The third clamping mechanism body 4 also includes a buffer abutting mechanism for abutting the end face of the workpiece. The buffer abutting mechanism includes a movable frame 44 slidably connected to the second connecting seat 41 along the Y direction via the buffer, and four or more abutting posts 45 arranged in a circumferential array on the movable frame 44. The buffer can be a spring or a hydraulic mechanism. For example, the second connecting seat 41 is provided with a sleeve 411 with the axial direction in the Y direction, and the movable frame 44 is provided with a limiting post 441 that is slidably fitted to the sleeve 411. A spring is connected between the limiting post 441 and the sleeve 411. When the abutting post 45 touches the end face of the workpiece, the elastic potential energy of the spring is compressed and deformed, so that the abutting post 45 applies pressure to the end face of the workpiece. The end face then clamps the groove portion of the outer circumferential surface of the workpiece through the third clamping arm 42 and the fourth clamping arm 43, so that the workpiece is stably clamped.

[0020] In the above implementation methods, refer to Figure 4 After the outer side milling is completed, the rotary feeder needs to be finished in the inner boring part. It can be abutted against the end face of the workpiece by the abutment post 45 of the third clamping mechanism body 4. Through the action of the buffer, in conjunction with the third clamping arm 42 and the fourth clamping arm 43, the workpiece can be stably clamped, which is convenient for transfer between different processing stations.

[0021] In a preferred embodiment, the first clamping arm 22 is pivotally connected to the first connecting seat 21 via a first pivot shaft.

[0022] In a preferred embodiment, the third clamping arm 42 is slidably connected to the second connecting seat 41 along a straight line, and the moving direction of the third clamping arm 42 is perpendicular to the Y direction.

[0023] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A three-station part-retrieving fixture mechanism, characterized in that, The device includes a mounting base, wherein a first clamping mechanism body is provided in the X direction, a second clamping mechanism body is provided in the Z direction, and a third clamping mechanism body is provided in the Y direction; a flange for connecting a robotic arm of an industrial robot is provided at the end of the mounting base opposite to the X direction.

2. The three-station part-retrieving fixture mechanism according to claim 1, characterized in that, The first clamping mechanism body includes a first clamping arm and a second clamping arm symmetrically connected to a first connecting seat. The inner side of the first clamping arm is provided with two mounting inclined surfaces, and the included angle between the two mounting inclined surfaces is 75-90 degrees. A first clamping jaw is mounted on the mounting inclined surface, and the inner side of the first clamping jaw is provided with a protrusion for abutting and clamping the workpiece.

3. The three-station part-retrieving fixture mechanism according to claim 1, characterized in that, The second clamping mechanism body includes a self-centering three-jaw chuck, which includes three L-shaped jaws arranged in a circumferential array.

4. The three-station part-retrieving fixture mechanism according to claim 1, characterized in that, The third clamping mechanism body includes a third clamping arm and a fourth clamping arm that are symmetrically connected to the second connecting seat. The third clamping mechanism body also includes a buffer abutting mechanism for abutting the end face of the workpiece. The buffer abutting component includes a movable frame that is slidably connected to the second connecting seat along the Y direction through the buffer component, and four or more abutting columns arranged in a circumferential array on the movable frame.

5. The three-station part-retrieving fixture mechanism according to claim 2, characterized in that, The first clamping arm is pivotally connected to the first connecting seat via a first pivot shaft.

6. The three-station part-retrieving fixture mechanism according to claim 4, characterized in that, The third clamping arm is slidably connected to the second connecting seat along a straight line, and the movement direction of the third clamping arm is perpendicular to the Y direction.

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