Milling machine clamp facilitating surface polishing of cylindrical precious metal sample

By designing the main body of the milling machine fixture, the lifting base, and the adjustment structure, the problems of scratches and deformation of precious metal samples caused by traditional fixtures were solved, achieving stable clamping and position adjustment, and improving polishing effect and adaptability.

CN224059271UActive Publication Date: 2026-03-31SHENZHEN NINGSHEN INSPECTION & TESTING TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Traditional clamps are prone to surface scratches or deformation when holding precious metal samples, cannot be firmly secured, and lack lifting function, which affects the polishing effect and adaptability.

Method used

A milling machine fixture comprising a fixture body, a lifting base, and an adjustment structure is designed. It achieves stable clamping and position adjustment through guide blocks and guide grooves, clamping by transmission rods, and control by a lifting motor, combined with silicone pad protection.

Benefits of technology

It improves the stability of precious metal samples, enhances the clamping effect, adapts to different processing needs, and protects the integrity of the sample surface.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a milling machine fixture convenient for polishing the surface of a cylindrical precious metal sample, which comprises a fixture main body, the center of the fixture main body is provided with a fixture groove, a clamping jaw is arranged in the fixture groove in a guiding way, and the clamping action of the clamping jaw is realized through an adjusting structure; the lifting base is arranged below the clamp body, and the lifting end of the lifting base is connected with the bottom of the clamp body and used for controlling lifting of the clamp body. According to the clamp body, through the clamp grooves and the guide blocks, it is guaranteed that the clamping jaws can be stably guided in the clamping process, a cylindrical precious metal sample can be fixed more stably, the grooves in the inner sides of the clamping jaws can adapt to the shape of the cylindrical sample, and the clamping effect is further enhanced.
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Description

Technical Field

[0001] This utility model relates to a milling machine fixture, specifically a milling machine fixture that facilitates the polishing of the surface of cylindrical precious metal samples. Background Technology

[0002] In the precious metal processing industry or the field of precious metal analysis, especially in the process of polishing the surface of cylindrical precious metal samples, the design of the fixture has a crucial impact on the processing effect and efficiency.

[0003] Traditional clamps often lack sufficient protection when holding precious metal samples, which can lead to scratches or deformation of the sample surface. For high-precision polishing applications, sample integrity is paramount.

[0004] Some fixtures cannot secure cylindrical samples properly, which affects the polishing effect.

[0005] Some fixtures lack proper lifting capabilities, making it impossible to flexibly adjust the sample position according to processing needs. This limits the adaptability of the fixtures under different processing conditions. Utility Model Content

[0006] The technical problem to be solved by this utility model is to provide a milling machine fixture for facilitating the polishing of the surface of cylindrical precious metal samples, so as to solve the problems existing in the background art.

[0007] This utility model provides a milling machine fixture for facilitating the polishing of cylindrical precious metal samples. This is achieved through the following technical solution:

[0008] The fixture body has a fixture groove in the center, and the gripper is guided in the fixture groove. The clamping action of the gripper is realized by adjusting the structure.

[0009] A lifting base is provided below the fixture body, and the lifting end of the lifting base is connected to the bottom of the fixture body to control the lifting of the fixture body.

[0010] As a preferred technical solution, guide blocks are provided on both sides of the clamping groove of the clamping body, and guide grooves corresponding to the guide blocks are provided on the grippers.

[0011] The gripper is guided to the fixture groove by a guide block and a guide groove; the inner side of the gripper is symmetrically provided with grooves for fixing cylindrical precious metal.

[0012] As a preferred technical solution, the adjustment structure includes a transmission rod that is rotatably disposed in the center of the clamp slot;

[0013] The center of the transmission rod is a smooth rod, and both sides of the transmission rod are provided with threads, with the threads having opposite directions and being separated by the smooth rod;

[0014] The gripper is provided with a threaded hole corresponding to the thread, and the gripper engages with the thread on the transmission rod through the threaded hole;

[0015] One end of the transmission rod extends outward and is connected to a rotating block. By rotating the rotating block, the transmission rod is driven to rotate, thereby achieving the clamping of the gripper.

[0016] As a preferred technical solution, a connecting block is provided at the bottom of the fixture body, and a clearance groove is provided above the lifting base. When the fixture is not in the extended state, the connecting block is placed in the clearance groove.

[0017] A lifting motor is located at the center of the bottom of the lifting base, and the output shaft of the lifting motor passes through the clearance groove in the center of the lifting base and is connected to the connecting block. The lifting motor drives the fixture body to lift and lower.

[0018] As a preferred technical solution, guide posts are provided around the bottom of the fixture body, and guide holes corresponding to the guide posts are provided on the lifting base. The lifting base and the fixture body are guided by the guide posts and guide holes.

[0019] As a preferred technical solution, it also includes a control panel installed on the machine tool body, which is connected to and controls the lifting motor to achieve the lifting of the fixture body.

[0020] As a preferred technical solution, a silicone pad is provided at the clamping end of the gripper to protect the cylindrical precious metal and prevent it from deforming.

[0021] The beneficial effects of this utility model are:

[0022] The fixture body of this utility model ensures stable guidance of the jaws during the clamping process through the clamping groove and guide block, making the cylindrical precious metal sample more secure. The groove on the inner side of the jaws can adapt to the shape of the cylindrical sample, further enhancing the clamping effect.

[0023] This invention, through the setting of a lifting base, allows the fixture body to be raised and lowered, enabling convenient adjustment of the sample position to adapt to different processing needs. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1This is a three-dimensional structural diagram of the present invention;

[0026] Figure 2 This is a schematic diagram of the exploded structure of this utility model;

[0027] Figure 3 This is a schematic diagram of the installation of the lifting motor of this utility model.

[0028] Explanation of reference numerals in the attached figures

[0029] 1. Fixture body; 2. Lifting base; 3. Fixture slot; 4. Guide block; 5. Guide groove; 6. Transmission rod; 7. Rotating block; 8. Connecting block; 9. Alternating groove; 10. Guide column; 11. Guide hole; 12. Lifting motor; 13. Smooth rod; 14. Groove; 15. Gripper. Detailed Implementation

[0030] All features disclosed in this specification, or steps in all methods or processes disclosed herein, may be combined in any way, except for mutually exclusive features and / or steps.

[0031] like Figures 1-3 As shown, this utility model discloses a milling machine fixture for facilitating the polishing of cylindrical precious metal samples, comprising:

[0032] The clamp body 1 has a clamp groove 3 in the center, and the clamping jaws are guided in the clamp groove 3. The clamping action of the jaws is realized by adjusting the structure.

[0033] The lifting base 2 is located below the clamp body 1, and the lifting end of the lifting base 2 is connected to the bottom of the clamp body 1 to control the lifting of the clamp body 1.

[0034] Among them, guide blocks 4 are provided on both sides of the clamping groove 3 of the clamping body 1, and guide grooves 5 corresponding to the guide blocks 4 are provided on the gripper.

[0035] The gripper and the clamping groove 3 are guided by the guide block 4 and the guide groove 5; the inner side of the gripper is symmetrically provided with grooves 14 for fixing cylindrical precious metal.

[0036] In order to achieve clamping of the gripper, in this embodiment, the adjustment structure includes a transmission rod 6 that is rotatably disposed in the center of the clamping slot 3;

[0037] The center of the transmission rod 6 is a smooth rod 13, and both sides of the transmission rod 6 are provided with threads, and the threads are opposite and separated by the smooth rod 13.

[0038] The gripper is provided with a threaded hole corresponding to the thread, and the gripper engages with the thread on the transmission rod 6 through the threaded hole;

[0039] One end of the transmission rod 6 extends outward and is connected to a rotating block 7. By rotating the rotating block 7, the transmission rod 6 is driven to rotate, thereby achieving the clamping of the gripper.

[0040] The bottom of the clamp body 1 is provided with a connecting block 8, and the top of the lifting base 2 is provided with a clearance groove 9. When the clamp is not in the extended state, the connecting block 8 is placed in the clearance groove 9.

[0041] A lifting motor 12 is provided at the center of the bottom of the lifting base 2, and the output shaft of the lifting motor 12 passes through the clearance groove 9 in the center of the lifting base 2 and is connected to the connecting block 8. The lifting motor 12 drives the clamp body 1 to lift.

[0042] In order to achieve a stable transmission effect, in this embodiment, guide posts 10 are provided around the bottom of the fixture body 1, and guide holes 11 corresponding to the guide posts 10 are provided on the lifting base 2. The lifting base 2 and the fixture body 1 are guided by the guide posts 10 and the guide holes 11.

[0043] For ease of control, this embodiment also includes a control panel mounted on the machine tool body. The control panel is connected to and controls the lifting motor 12, thereby enabling the lifting of the fixture body 1.

[0044] To provide protection, in this embodiment, a silicone pad is provided at the clamping end of the gripper to protect the cylindrical precious metal and prevent it from deforming.

[0045] The fixture body of this utility model ensures stable guidance of the jaws during the clamping process through the clamping groove and guide block, making the cylindrical precious metal sample more secure. The groove on the inner side of the jaws can adapt to the shape of the cylindrical sample, further enhancing the clamping effect.

[0046] This invention, through the setting of a lifting base, allows the fixture body to be raised and lowered, enabling convenient adjustment of the sample position to adapt to different processing needs.

[0047] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions conceived without inventive effort should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope defined in the claims.

Claims

1. A milling machine fixture for facilitating surface polishing of cylindrical precious metal samples, characterized in that, Include: Clamp body (1), the clamp body (1) is provided with clamp groove (3) in the center, and the clamp jaw (15) is guided to be provided in the clamp groove (3), and the clamping action of the clamp jaw is realized by adjusting structure; Lifting base (2), the lifting base (2) is arranged below the clamp body (1), and the lifting end of the lifting base (2) is connected with the bottom of the clamp body (1), for controlling the lifting of the clamp body (1).

2. The milling machine fixture for facilitating surface polishing of a cylindrical noble metal sample of claim 1, wherein: The two sides of the clamp groove (3) of the clamp body (1) are provided with guide blocks (4), and the clamp jaw is provided with a guide groove (5) corresponding to the guide block (4); The clamp jaw (15) and the clamp groove (3) are guided by the guide block (4) and the guide groove (5);The inner side of the clamp jaw is symmetrically provided with a groove (14) for fixing the cylindrical noble metal.

3. The milling machine fixture for facilitating surface polishing of a cylindrical noble metal sample of claim 1, wherein: The adjusting structure includes a transmission rod (6) rotatably arranged in the center of the clamp groove (3); The center of the transmission rod (6) is a light rod (13), the two sides of the transmission rod (6) are provided with threads, and the threads are opposite, and are separated by the light rod (13); The clamp jaw is provided with a threaded hole corresponding to the thread, and the clamp jaw is engaged with the thread on the transmission rod (6) through the threaded hole; One end of the transmission rod (6) extends outward and is connected with a rotating block (7), the transmission rod (6) is driven to rotate by rotating the rotating block (7), and then the clamping of the clamp jaw is realized.

4. The milling machine fixture for facilitating surface polishing of a cylindrical noble metal sample of claim 1, wherein: The bottom of the clamp body (1) is provided with a connecting block (8), and the upper part of the lifting base (2) is provided with an avoiding groove (9), when the clamp is not in the extended state, the connecting block (8) is placed in the avoiding groove (9); The bottom center of the lifting base (2) is provided with a lifting motor (12), and the output shaft of the lifting motor (12) passes through the avoiding groove (9) in the center of the lifting base (2) and is connected with the connecting block (8), the clamp body (1) is driven to lift by the lifting motor (12).

5. The milling machine fixture for facilitating surface polishing of a cylindrical noble metal sample of claim 1, wherein: The bottom of the clamp body (1) is provided with a guide column (10), and the lifting base (2) is provided with a guide hole (11) corresponding to the guide column (10), and the lifting base (2) and the clamp body (1) are guided by the guide column (10) and the guide hole (11).

6. The milling machine fixture for facilitating surface polishing of a cylindrical noble metal sample of claim 1, wherein: A control panel is arranged on the machine tool body, the lifting motor (12) is connected and controlled by the control panel, and then the lifting of the clamp body (1) is realized.

7. The milling machine fixture for facilitating surface polishing of a cylindrical noble metal sample of claim 1, wherein: The clamping end of the clamp jaw is provided with a silica gel pad, which protects the cylindrical noble metal and prevents it from deforming.