Clamping tool for mechanical parts

Abstract

The utility model relates to the field of mechanical parts, in particular to a clamping tool for mechanical parts, which comprises a fixed base, a two-way screw rod driving assembly is horizontally arranged in the middle of the fixed base, and a first clamping assembly and a second clamping assembly are arranged at the top of the fixed base through the two-way screw rod driving assembly. The first clamping assembly and the second clamping assembly are symmetrically arranged, and each of the first clamping assembly and the second clamping assembly comprises a fixed seat; according to the clamping device, the two-way lead screw driving assembly, the first clamping assembly and the second clamping assembly are arranged in a matched mode, cylindrical mechanical parts with different diameters within a certain range can be clamped, and meanwhile when the surfaces of the mechanical parts need to be changed, after the limiting assemblies are detached, the surfaces of the mechanical parts can be changed in a rotating mode under the assistance of clamping rollers of the limiting assemblies.

Description

Technical Field

[0001] This utility model relates to the field of mechanical parts technology, and in particular to a clamping fixture for mechanical parts. Background Technology

[0002] Mechanical parts, also known as mechanical components, are the basic building blocks of machinery. They are indivisible individual parts that make up machines and equipment. As a term in mechanical engineering, they represent an important discipline for studying and designing the fundamental mechanical components in various equipment, and are also a general term for parts and components.

[0003] Some mechanical parts are cylindrical. In existing clamping fixtures, when it is necessary to change the surface of a cylindrical mechanical part after clamping it, the clamping must be released before changing the surface and then clamping it again. The operation process is quite cumbersome. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a clamping fixture for mechanical parts.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A clamping fixture for mechanical parts includes a fixed base. A bidirectional screw drive assembly is horizontally arranged in the middle of the fixed base. A first clamping assembly and a second clamping assembly are arranged on the top of the fixed base through the bidirectional screw drive assembly. The first clamping assembly and the second clamping assembly are symmetrically arranged. Both the first clamping assembly and the second clamping assembly include a fixed seat. A second pressing assembly is arranged below one side of the fixed seat. A screw drive assembly is arranged above the second pressing assembly inside the fixed seat. A first pressing assembly is arranged on one side of the fixed seat through the screw drive assembly.

[0007] Both the first pressing component and the second pressing component include a mounting frame. A fixed shaft is fixedly installed inside the mounting frame. A clamping roller is movably sleeved on the outer wall of the fixed shaft. Multiple limiting slots are circumferentially opened at equal intervals on both sides of the clamping roller. A fixing screw is provided on both sides of the mounting frame, and a limiting component is connected through the fixing screw.

[0008] Furthermore, in a preferred configuration, the bidirectional lead screw drive assembly includes a bidirectional lead screw body driven by a drive motor, and two lead screw pairs are symmetrically arranged on the outside of the bidirectional lead screw body, with the top of each lead screw pair connected to a fixed base.

[0009] Furthermore, in a preferred configuration, the lead screw drive assembly includes a lead screw body, which is driven by a second drive motor, and a limit slider is provided on the outer wall of the lead screw body.

[0010] In addition, a preferred structure is that a groove is provided in the fixed seat at the limiting slider, and guide rods are symmetrically arranged on both sides of the lead screw body in the groove, and a through groove is provided in the limiting slider at the guide rod.

[0011] Furthermore, in a preferred configuration, the limiting component includes a fixing ring, one side of which is fitted with an extension rod at the limiting slot, and a through hole is formed inside the fixing ring at the fixing screw, wherein the diameter of the through hole is larger than the diameter of the fixing screw.

[0012] In addition, a preferred structure is that a fixing nut is screwed onto the outer wall of the fixing screw, and the fixing nut is threadedly connected to the fixing screw.

[0013] The beneficial effects of this utility model are as follows:

[0014] In this invention, the bidirectional lead screw drive assembly, the first clamping assembly, and the second clamping assembly are configured to clamp cylindrical mechanical parts of different diameters within a certain range. At the same time, when it is necessary to change the surface of the mechanical parts, the limiting assembly can be disassembled and rotated for surface change with the assistance of its clamping rollers. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a clamping fixture for mechanical parts proposed in this utility model;

[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of a clamping fixture for mechanical parts proposed in this utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the first clamping component.

[0018] In the diagram: 1. Fixed base; 2. Bidirectional lead screw body; 21. Nut pair; 4. Fixed seat; 41. Second drive motor; 42. Lead screw body; 43. Guide rod; 44. Limiting slider; 5-1. First pressing component; 5-2. Second pressing component; 51. Mounting frame; 52. Fixed shaft; 53. Clamping roller; 54. Fixed screw; 55. Limiting component. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0020] Reference Figure 1-3A clamping fixture for mechanical parts includes a fixed base 1. A bidirectional screw drive assembly is horizontally arranged in the middle of the fixed base 1. A first clamping assembly and a second clamping assembly are arranged on the top of the fixed base 1 through the bidirectional screw drive assembly. The first clamping assembly and the second clamping assembly are symmetrically arranged. Both the first clamping assembly and the second clamping assembly include a fixed seat 4. A second pressing assembly 5-2 is arranged below one side of the fixed seat 4. A screw drive assembly is arranged above the second pressing assembly 5-2 inside the fixed seat 4. A first pressing assembly 5-1 is arranged on one side of the fixed seat 4 through the screw drive assembly.

[0021] Furthermore, both the first pressing component 5-1 and the second pressing component 5-2 include a mounting frame 51. A fixed shaft 52 is fixedly installed inside the mounting frame 51. A clamping roller 53 is movably sleeved on the outer wall of the fixed shaft 52. Multiple limiting slots are circumferentially opened on both sides of the clamping roller 53 at equal intervals. A fixing screw 54 is provided on both sides of the mounting frame 51, and a limiting component 55 is connected through the fixing screw 54.

[0022] Furthermore, the bidirectional lead screw drive assembly includes a bidirectional lead screw body 2, which is driven by a drive motor. Two lead screw pairs are symmetrically arranged on the outside of the bidirectional lead screw body 2, and the top of the lead screw pairs is connected to the fixed base 4.

[0023] Meanwhile, the lead screw drive assembly includes a lead screw body 42, which is driven by a second drive motor 41, and a limit slider 44 is provided on the outer wall of the lead screw body 42.

[0024] Furthermore, a groove is provided in the fixed base 4 at the limit slider 44, and guide rods 43 are symmetrically arranged on both sides of the lead screw body 42 in the groove, and a through groove is provided in the limit slider 44 at the guide rods 43.

[0025] Meanwhile, the limiting component 55 includes a fixing ring, an extension rod is installed on one side of the fixing ring at the limiting slot, and a through hole is opened in the fixing ring at the fixing screw 54, and the diameter of the through hole is larger than the diameter of the fixing screw 54.

[0026] Furthermore, a fixing nut is screwed onto the outer wall of the fixing screw 54, and the fixing nut is threadedly connected to the fixing screw 54.

[0027] It is worth noting that the specific structure and working method of the bidirectional lead screw drive assembly are existing technologies that are already publicly available on the market, and are not the main technical problems to be solved in this technical solution. Therefore, they will not be described in detail in this utility model.

[0028] In this embodiment, the first clamping assembly and the second clamping assembly are driven by the bidirectional lead screw drive assembly to move towards each other or away from each other, thereby clamping cylindrical mechanical parts of different diameters within a certain range. At the same time, the extension rod of the limiting assembly is located in the limiting slot of the clamping roller 53.

[0029] Meanwhile, when it is necessary to change the face of the mechanical parts, the fixing nut can be loosened and the limiting component can be disassembled. At this time, the clamping roller 53 is in a rotatable state. Then, the cylindrical mechanical parts can be rotated. During the rotation, the clamping roller 53 assists in the rotation, ensuring the smoothness of changing the face of the cylindrical mechanical parts.

[0030] In this invention, the bidirectional lead screw drive assembly, the first clamping assembly, and the second clamping assembly are configured to clamp cylindrical mechanical parts of different diameters within a certain range. At the same time, when it is necessary to change the surface of the mechanical parts, the limiting assembly can be disassembled and rotated for surface changing with the assistance of its clamping roller 53.

[0031] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A clamping fixture for mechanical parts, comprising a fixed base (1), characterized in that, A bidirectional screw drive assembly is horizontally arranged in the middle of the fixed base (1), and a first clamping assembly and a second clamping assembly are arranged on the top of the fixed base (1) through the bidirectional screw drive assembly. The first clamping assembly and the second clamping assembly are symmetrically arranged. Both the first clamping assembly and the second clamping assembly include a fixed seat (4). A second pressing assembly (5-2) is arranged below one side of the fixed seat (4). A screw drive assembly is arranged above the second pressing assembly (5-2) inside the fixed seat (4), and a first pressing assembly (5-1) is arranged on one side of the fixed seat (4) through the screw drive assembly. Both the first pressing component (5-1) and the second pressing component (5-2) include a mounting frame (51). A fixed shaft (52) is fixedly installed inside the mounting frame (51). A clamping roller (53) is movably sleeved on the outer wall of the fixed shaft (52). Multiple limiting slots are circumferentially opened on both sides of the clamping roller (53). A fixing screw (54) is provided on both sides of the mounting frame (51), and a limiting component (55) is connected through the fixing screw (54).

2. The clamping fixture for mechanical parts according to claim 1, characterized in that, The bidirectional lead screw drive assembly includes a bidirectional lead screw body (2), which is driven by a drive motor. Two lead screw pairs are symmetrically arranged on the outside of the bidirectional lead screw body (2), and the top of the lead screw pairs is connected to the fixed seat (4).

3. The clamping fixture for mechanical parts according to claim 1, characterized in that, The lead screw drive assembly includes a lead screw body (42), which is driven by a second drive motor (41), and a limit slider (44) is provided on the outer wall of the lead screw body (42).

4. The clamping fixture for mechanical parts according to claim 1, characterized in that, The fixed base (4) has a groove at the limiting slider (44), and guide rods (43) are symmetrically arranged on both sides of the lead screw body (42) in the groove. The limiting slider (44) has a through groove at the guide rod (43).

5. A clamping fixture for mechanical parts according to claim 1, characterized in that, The limiting component (55) includes a fixing ring, an extension rod is installed on one side of the fixing ring at the limiting slot, and a through hole is opened in the fixing ring at the fixing screw (54), and the diameter of the through hole is larger than the diameter of the fixing screw (54).

6. The clamping fixture for mechanical parts according to claim 1, characterized in that, A fixing nut is screwed onto the outer wall of the fixing screw (54), and the fixing nut is threadedly connected to the fixing screw (54).

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