Clamping assembly for machining precision rotating part of humanoid robot

By designing a clamping assembly that includes a moving structure, an adjusting structure, and auxiliary clamping components, the problem of inflexible positioning of existing clamping assemblies is solved, enabling flexible adjustment of the fixture position and adaptable clamping of various workpieces, thereby improving processing efficiency and accuracy.

CN223917309UActive Publication Date: 2026-02-17WEIMI PRECISION MASCH (SUZHOU) CO LTD
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Patent Information

Application Number
CN202520527802.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-02-17
Estimated Expiration
2035-03-25

AI Technical Summary

Technical Problem

Existing clamping assemblies for precision rotary parts machining are not easy to move flexibly during use, making it difficult to meet the clamping requirements of workpieces of different sizes.

Method used

A clamping assembly is designed, comprising a worktable, a moving structure, an adjusting structure, and an auxiliary clamping component. The adjusting and moving structures are driven by servo motors to achieve lateral and longitudinal position adjustment of the clamp, and various clamping blocks are provided to adapt to different workpiece shapes and sizes.

Benefits of technology

It improves the convenience and flexibility of clamping components, making it easy to adjust the position of the clamps to adapt to workpieces of different sizes and shapes, thereby improving processing efficiency and accuracy.

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Abstract

The utility model relates to the technical field of numerical control machining lathes, and provides a clamping assembly for machining a precise rotating part of a humanoid robot, which comprises a working table, moving structures are fixed on two sides of the top end of the working table, adjusting structures are fixed on the top ends of the moving structures, and each adjusting structure comprises a base fixed on the top end of the corresponding moving structure. The middle position of the top end of the base is rotationally connected with a driving shaft, and the outer side wall of the driving shaft is in threaded connection with a connecting sleeve. By arranging the adjusting structure, the connecting sleeve can be driven by the servo motor to move on the outer side of the driving shaft under the action of threaded connection of the driving shaft and the connecting sleeve, the connecting sleeve can move to drive the clamp to move, and the transverse use position of the clamp can be adjusted conveniently; the clamping assembly has the function of conveniently adjusting the transverse use position of the clamp, and the convenience and flexibility of the clamping assembly for machining the precision rotating part of the humanoid robot during use are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control processing lathe technical field especially relates to a kind of clamping assemblies for humanoid robot precision rotary piece machining. BACKGROUND

[0002] In the process of humanoid robot manufacturing, the machining demand of various precision parts is increasing. As the key component of the humanoid robot motion system, the machining precision and assembly quality of the precision rotary piece directly affect the motion precision and service life of the robot. These components usually have complex geometric shapes and strict tolerance requirements, and high-precision and high-efficiency machining methods are required. Therefore, a clamping assembly for humanoid robot precision rotary piece machining needs to be designed.

[0003] To this end, a patent with publication number CN209363685U discloses a numerical control milling machine for precision part machining, belonging to the field of numerical control milling machines. The numerical control milling machine for precision part machining includes a milling head assembly, a transverse feeding assembly, a clamp base, and a clamp set. The clamp base is fixed on the transverse feeding assembly, and the clamp set is fixed on the clamp base. The milling head assembly is located above the clamp base. The clamp set includes a reference block, a sliding block, and a ball screw pair assembly. The reference block is connected to the left end of the upper surface of the clamp base, and the sliding block is fixed to the right end of the upper surface of the clamp base. The nut end of the ball screw pair assembly is fixedly connected with the sliding block. The numerical control milling machine disclosed in the utility model positions the clamp set containing the reference block and the sliding block, and adjusts the clamping and positioning position through the ball screw pair assembly. This not only ensures reliable positioning and clamping, but also satisfies the clamping of workpieces of different sizes. Adjusting the clamping and positioning position is simpler and more versatile.

[0004] Although the numerical control milling machine for precision part machining in the above can satisfy the clamping of workpieces of different sizes during use, it is not convenient to move the position of the clamping assembly flexibly during use. Therefore, a clamping assembly for humanoid robot precision rotary piece machining needs to be designed. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a clamping assembly for humanoid robot precision rotary piece machining to solve the defect that the existing clamping assembly for precision rotary piece machining is not convenient to move the position of the clamping assembly flexibly during use.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: a clamping assembly for humanoid robot precision rotary piece machining, including a workbench.

[0007] The two sides of the top end of the workbench are fixed with a moving structure.

[0008] The top end of the moving structure is fixed with an adjusting structure.

[0009] The adjusting structure comprises a base fixed to the top end of the moving structure, a driving shaft rotatably connected to the middle position of the top end of the base, a connecting sleeve threadedly connected to the outer side wall of the driving shaft, guide shafts arranged on both sides of the driving shaft, moving blocks slidably connected to the outer side walls of the guide shafts, support plates fixed to the top ends of the moving blocks and the connecting sleeve, and a servo motor fixedly installed on one side of the top end of the base.

[0010] Further, one side of the top end of the moving structure of the workbench is fixed with an auxiliary clamping assembly, and the top end of the support plate is fixed with a clamp.

[0011] Further, the moving structure comprises a mounting seat, guide columns, lead screws, guide blocks, connecting blocks and a first motor, the mounting seat is fixed to the top ends of both sides of the workbench, guide columns are fixed to both sides of the top end of the mounting seat, guide blocks are slidably connected to the outer walls of the guide columns, a lead screw is rotatably connected to the middle position of the top end of the mounting seat, a connecting block is threadedly connected to the outer wall of the lead screw, and the first motor is fixedly installed on one side of the top end of the mounting seat.

[0012] Further, the guide columns are symmetrically distributed on both sides of the lead screw, one end of the lead screw is fixedly connected with the output end of the first motor, and the top ends of the guide blocks and the connecting blocks are fixedly connected with the bottom end of the base.

[0013] Further, the auxiliary clamping assembly comprises a support seat, a basic clamping block, a concave clamping block and a I-shaped clamping block, the support seat is fixed to one side of the mounting seat at the top end of the workbench, and the top end of the support seat is sequentially provided with the basic clamping block, the concave clamping block and the I-shaped clamping block.

[0014] Further, the support seats are centrally and symmetrically distributed at the top end of the workbench.

[0015] Further, the bottom end of the guide shaft is fixedly connected with the top end of the base, the guide shafts are symmetrically distributed on both sides of the driving shaft, and one end of the driving shaft is fixedly connected with the output end of the servo motor.

[0016] The human-shaped robot precision rotary part machining clamping assembly has the advantages that:

[0017] The adjusting structure is provided, and the connecting sleeve can be driven by the servo motor to move on the outside of the driving shaft under the threaded connection of the driving shaft and the connecting sleeve, the connecting sleeve can drive the clamp to move, the clamp can be conveniently adjusted in the transverse use position, the device has the function of conveniently adjusting the transverse use position of the clamp, and the convenience and flexibility of the human-shaped robot precision rotary part machining clamping assembly during use are improved.

[0018] By setting the moving structure, under the moving effect of the connecting block, the adjusting structure can be driven to move above the workbench, so that the use position of the clamp in the longitudinal direction can be adjusted, and the device has the function of conveniently adjusting the use position of the clamp in the longitudinal direction, and the convenience and flexibility of the clamping assembly for the humanoid robot precision rotary part machining in use are improved.

[0019] By setting the auxiliary clamping assembly, workpieces of different sizes and shapes can be fixedly connected with the support seat through the basic clamping block, the concave clamping block or the work-shaped clamping block, and during installation, the appropriate clamping assembly is selected according to the shape and size of the workpiece, the workpiece is installed on the clamping assembly, and then the clamping assembly is fixedly installed at the top end of the support seat, so that the workpiece and the support seat are fixedly connected, and the device has the function of conveniently clamping workpieces of different sizes, and the convenience of the clamping assembly for the humanoid robot precision rotary part machining in use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole three-dimensional structure schematic diagram of the utility model;

[0021] Figure 2 It is a whole three-dimensional structure schematic diagram of the utility model;

[0022] Figure 3 It is a front view structure schematic diagram of the utility model;

[0023] Figure 4 It is a top view sectional structure schematic diagram of the utility model;

[0024] Figure 5 It is a side view structure schematic diagram of the utility model;

[0025] Figure 6 It is a side view sectional structure schematic diagram of the utility model.

[0026] The reference signs in the drawing are explained as follows: 1, workbench; 2, moving structure; 21, mounting seat; 22, guide column; 23, lead screw; 24, guide block; 25, connecting block; 26, first motor; 3, clamp; 4, auxiliary clamping assembly; 41, support seat; 42, basic clamping block; 43, concave clamping block; 44, work-shaped clamping block; 5, adjusting structure; 51, servo motor; 52, guide shaft; 53, moving block; 54, support plate; 55, base; 56, driving shaft; 57, connecting sleeve. DETAILED DESCRIPTION

[0027] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0028] Please refer to Figures 1-6 The utility model provides a kind of clamping assembly for machining of humanoid robot precision rotary piece, including workbench 1.

[0029] Refer to Figures 1-6 The top of workbench 1 is fixed with moving structure 2 on both sides, moving structure 2 includes mounting seat 21, guide column 22, screw rod 23, guide block 24, connecting block 25 and first motor 26, mounting seat 21 is fixed on the top of workbench 1 on both sides, the top of mounting seat 21 is fixed with guide column 22 on both sides, the outer wall of guide column 22 is slidably connected with guide block 24, the middle position of the top of mounting seat 21 is rotatably connected with screw rod 23, the outer wall of screw rod 23 is threadedly connected with connecting block 25, first motor 26 is fixedly installed on one side of the top of mounting seat 21, guide column 22 is symmetrically distributed on both sides of screw rod 23, one end of screw rod 23 is fixedly connected with the output end of first motor 26, the top of guide block 24 and connecting block 25 is fixedly connected with the bottom end of base 55.

[0030] External power supply, start first motor 26, first motor 26 rotates will drive screw rod 23 to rotate, screw rod 23 rotates will drive connecting block 25 to move back and forth on the outside of screw rod 23, connecting block 25 will drive base 55 on its top to move when moving, base 55 will drive clamp 3 on its top to move when moving, adjust the longitudinal position of clamp 3 when using, the outer side of guide block 24 on both sides of the bottom end of base 55 slides on the outer side of guide column 22 when base 55 moves, which can improve the stability of base 55 when moving.

[0031] Refer to Figures 1-6The top end of the moving structure 2 is fixed with an adjusting structure 5, the adjusting structure 5 comprises a base 55 fixed to the top end of the moving structure 2, a driving shaft 56 rotationally connected to the middle position of the top end of the base 55, a connecting sleeve 57 threadedly connected to the outer side wall of the driving shaft 56, a guide shaft 52 arranged on the both sides of the driving shaft 56, a moving block 53 slidingly connected to the outer side wall of the guide shaft 52, a support plate 54 fixed to the top end of the moving block 53 and the connecting sleeve 57, and a servo motor 51 fixedly installed on one side of the top end of the base 55, the bottom end of the guide shaft 52 is fixedly connected to the top end of the base 55, the guide shaft 52 is symmetrically distributed on the both sides of the driving shaft 56, one end of the driving shaft 56 is fixedly connected to the output end of the servo motor 51, and the top end of the support plate 54 is fixed with the clamp 3.

[0032] An external power supply is connected, the servo motor 51 is started, the servo motor 51 rotates to drive the driving shaft 56 to rotate, the driving shaft 56 rotates to drive the connecting sleeve 57 to move left and right on the outer side of the driving shaft 56, the connecting sleeve 57 moves to drive the support plate 54 at the top end of the connecting sleeve 57 to move, and the support plate 54 moves to drive the moving block 53 on the both sides of the bottom end of the support plate 54 to slide on the outer side of the guide shaft 52, so that the stability of the support plate 54 during movement is improved.

[0033] Referring to Figures 1-5 One side of the moving structure 2 at the top end of the workbench 1 is fixed with an auxiliary clamping assembly 4, the auxiliary clamping assembly 4 comprises a support seat 41, a basic clamping block 42, a concave clamping block 43 and a I-shaped clamping block 44, the support seat 41 is fixed to one side of the mounting seat 21 at the top end of the workbench 1, the top end of the support seat 41 is sequentially provided with the basic clamping block 42, the concave clamping block 43 and the I-shaped clamping block 44, and the support seat 41 is centrally and symmetrically distributed at the top end of the workbench 1.

[0034] Workpieces of different sizes and shapes can be fixedly connected to the support seat 41 through the basic clamping block 42, the concave clamping block 43 or the I-shaped clamping block 44 respectively, in the installation, appropriate clamping assemblies are selected according to the shape and size of the workpiece, the workpiece is installed on the clamping assembly, and then the clamping assembly is fixedly installed at the top end of the support seat 41, so that the workpiece and the support seat 41 are fixedly connected.

[0035] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A clamping assembly for machining precision rotating parts of a humanoid robot, comprising a worktable (1); Its features are: The workbench (1) has movable structures (2) fixed on both sides of its top end; Each of the movable structures (2) has an adjustment structure (5) fixed at its top. The adjustment structure (5) includes a base (55) fixed to the top of the movable structure (2). A drive shaft (56) is rotatably connected to the middle position of the top of the base (55). A connecting sleeve (57) is threaded onto the outer side wall of the drive shaft (56). Guide shafts (52) are provided on both sides of the drive shaft (56). Moving blocks (53) are slidably connected to the outer side wall of the guide shafts (52). A support plate (54) is fixed to the top of the moving blocks (53) and the connecting sleeve (57). The adjustment structure (5) also includes a servo motor (51) fixedly installed on one side of the top of the base (55).

2. The clamping assembly for machining precision rotating parts of a humanoid robot according to claim 1, characterized in that: One side of the top moving structure (2) of the workbench (1) is fixed with an auxiliary clamping assembly (4), and the top of the support plate (54) is fixed with a clamp (3).

3. The clamping assembly for machining precision rotating parts of a humanoid robot according to claim 1, characterized in that: The movable structure (2) includes a mounting base (21), guide columns (22), a lead screw (23), a guide block (24), a connecting block (25), and a first motor (26). The mounting base (21) is fixed to both sides of the top of the workbench (1). Guide columns (22) are fixed to both sides of the top of the mounting base (21). Guide blocks (24) are slidably connected to the outer wall of the guide columns (22). The lead screw (23) is rotatably connected to the middle position of the top of the mounting base (21). The connecting block (25) is threadedly connected to the outer wall of the lead screw (23). The first motor (26) is fixedly installed on one side of the top of the mounting base (21).

4. The clamping assembly for machining precision rotating parts of a humanoid robot according to claim 3, characterized in that: The guide posts (22) are symmetrically distributed on both sides of the lead screw (23). One end of the lead screw (23) is fixedly connected to the output end of the first motor (26). The top ends of the guide block (24) and the connecting block (25) are fixedly connected to the bottom end of the base (55).

5. A clamping assembly for machining precision rotating parts of a humanoid robot according to claim 2, characterized in that: The auxiliary clamping assembly (4) includes a support base (41), a basic clamping block (42), a concave clamping block (43), and an I-shaped clamping block (44). The support base (41) is fixed to one side of the mounting base (21) at the top of the workbench (1). The top of the support base (41) is provided with the basic clamping block (42), the concave clamping block (43), and the I-shaped clamping block (44) in sequence.

6. A clamping assembly for machining precision rotating parts of a humanoid robot according to claim 5, characterized in that: The support base (41) is centrally symmetrically distributed at the top of the workbench (1).

7. A clamping assembly for machining precision rotating parts of a humanoid robot according to claim 1, characterized in that: The bottom end of the guide shaft (52) is fixedly connected to the top end of the base (55). The guide shaft (52) is symmetrically distributed on both sides of the drive shaft (56). One end of the drive shaft (56) is fixedly connected to the output end of the servo motor (51).

Citation Information

Patent Citations

  • Numerical control milling machine for machining precision parts

    CN209363685U