Clamping device for high-precision mechanical part machining

Abstract

The utility model relates to the technical field of machining and positioning of mechanical parts, in particular to a high-precision clamping device for machining of mechanical parts, which comprises a mounting frame, a movable groove is arranged at the inner bottom end of the mounting frame, a transmission mechanism is arranged in the movable groove, and a moving mechanism is arranged at the inner bottom end of the mounting frame. And stabilizing mechanisms are arranged on the two sides of the bottom end in the mounting frame. A handle is arranged at one end of a rotating shaft where a second bevel gear is located on one side of the exterior of the mounting frame, and a threaded rod in transmission connection with a first bevel gear rotates to drive a trapezoidal block with the top end movably arranged through a threaded groove to move through meshing of the first bevel gear and the second bevel gear; and then the inclined surfaces of the trapezoidal blocks are arranged to drive the sliding blocks on the two sides to move, and finally the movable blocks are driven to move mutually, so that the clamping and positioning effects of the clamps on the two sides on the part are achieved, looseness in the part machining process is avoided, the machining precision is improved, meanwhile, disassembly is convenient, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of machining positioning of mechanical parts, and specifically relates to a clamping device for machining high-precision mechanical parts. Background Technique

[0002] Machining of mechanical parts refers to the process of changing the external dimensions or performance of parts through a mechanical device. According to the differences in machining methods, it can be divided into cutting machining, pressure machining, grinding machining, etc. Machining of mechanical parts is a necessary process in the manufacturing process of mechanical equipment. At present, clamping devices are needed to clamp and fix mechanical parts during the machining process of mechanical parts to facilitate the machining of mechanical parts.

[0003] A clamping device for machining mechanical parts disclosed in the Chinese utility model patent application publication specification CN213561146U solves the problem that the clamping and fixing of the existing clamping device for machining mechanical parts is not stable enough, and the parts are prone to displacement and falling off. The clamping device for machining mechanical parts has the advantages of stable clamping and fixing and preventing parts from falling off. However, this device does not have the feature of replacing different jigs, and it is not convenient to replace jigs for machining parts of different shapes. For this reason, we propose a clamping device for machining high-precision mechanical parts. Content of the Utility Model

[0004] The purpose of the utility model is to provide a clamping device for machining high-precision mechanical parts to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A clamping device for machining high-precision mechanical parts includes an installation frame. A movable groove is opened at the bottom end inside the installation. A transmission mechanism is arranged inside the movable groove. A moving mechanism is arranged at the bottom end inside the installation frame. Stable mechanisms are arranged on both sides at the bottom end inside the installation frame. Moving blocks are arranged on both sides above the moving mechanism. An installation groove is opened on one side outside the moving block. A jig is arranged inside the installation groove. A limiting groove is opened at the top of one end of the jig. A receiving groove is opened at the top end inside the installation groove. A limiting mechanism is arranged inside the receiving groove.

[0007] Preferably, the transmission mechanism includes a first bevel gear and a second bevel gear. The first bevel gear is arranged at the top end inside the movable groove through a rotating shaft. The second bevel gear is arranged on one side inside the movable groove through a rotating shaft. The first bevel gear is meshed with the second bevel gear;

[0008] Preferably, the moving mechanism includes a threaded rod, a trapezoidal block, a sliding groove, a slider, and a connection port. A threaded rod is arranged at the bottom end inside the installation frame through a rotating shaft. The top end of the threaded rod is movably provided with a trapezoidal block through a threaded groove. Sliding grooves are formed on both outer sides of the trapezoidal block. Sliders are movably arranged inside the sliding grooves. Connection ports are formed on both sides of the top of the installation frame. The top ends of the sliders pass through the connection ports and are fixedly connected to the moving block. The bottom end of the threaded rod is drivingly connected to a first bevel gear through a rotating shaft;

[0009] Preferably, the stabilizing mechanism includes a moving groove and a moving block. Moving grooves are formed on both sides of the bottom end inside the installation frame. A moving block is movably arranged inside the moving groove. The top end of the moving block is fixedly connected to the slider;

[0010] Preferably, the limiting mechanism includes a sleeve, a movable rod, a limiting block, a spring, and a pulling block. A sleeve is arranged at the top end inside the receiving groove. A movable rod is movably arranged inside the sleeve. A limiting block is fixedly arranged at one end of the movable rod. A spring is arranged on the outer side of the movable rod between the limiting block and the sleeve. One end of the limiting block is located inside the limiting groove. A pulling block is fixedly arranged at one end of the movable rod on the top of the moving block;

[0011] Preferably, a handle is arranged at one end of the rotating shaft where the second bevel gear is located on one side of the outer part of the installation frame.

[0012] Compared with the prior art, the beneficial effects of the present utility model are:

[0013] 1. For this clamping device for high-precision machining of mechanical parts, by pulling the pulling block fixedly arranged at one end of the movable rod on the top of the moving block, the limiting block can be moved out of the limiting groove formed on the top of one end of the fixture, thereby realizing the disassembly and installation effect of the fixture, facilitating the use of different fixtures for fixing and clamping according to parts of different shapes, with quick and simple operation, improving the working effect, and increasing the practicability of the device.

[0014] 2. For this clamping device for high-precision machining of mechanical parts, by using the handle arranged at one end of the rotating shaft where the second bevel gear is located on one side of the outer part of the installation frame, through the meshing of the first bevel gear and the second bevel gear, the threaded rod drivingly connected to the first bevel gear rotates to drive the trapezoidal block movably arranged at the top through the threaded groove to move. Subsequently, the inclined surface of the trapezoidal block drives the sliders on both sides to move, and finally drives the mutual movement of the movable blocks, realizing the clamping and positioning effect of the two-side fixtures on the part, avoiding loosening during part machining, thereby improving the machining accuracy, and being convenient for disassembly at the same time, increasing the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0016] Figure 2 Schematic installation diagram of the moving mechanism structure of the present utility model;

[0017] Figure 3 Schematic installation diagram of the limiting mechanism structure of the present utility model;

[0018] Figure 4 Schematic installation diagram of the transmission mechanism structure of the present utility model.

[0019] In the figure: 1, mounting frame; 2, movable groove; 3, movable block; 4, mounting groove; 5, fixture; 6, limiting groove; 7, receiving groove; 8, first bevel gear; 9, second bevel gear; 10, threaded rod; 11, trapezoidal block; 12, sliding groove; 13, slider; 14, connection port; 15, moving groove; 16, moving block; 17, sleeve; 18, movable rod; 19, limiting block; 20, spring; 21, pulling block; 22, handle. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1 - 4 As shown, a technical solution provided by the present utility model:

[0022] A clamping device for high-precision machining of mechanical parts, including a mounting frame 1, a movable groove 2 is opened at the inner bottom end of the mounting, a transmission mechanism is arranged inside the movable groove 2, a moving mechanism is arranged at the inner bottom end of the mounting frame 1, stabilizing mechanisms are arranged on both sides of the inner bottom end of the mounting frame 1, movable blocks 3 are arranged on both sides above the moving mechanism, a mounting groove 4 is opened on one side of the outside of the movable block 3, a fixture 5 is arranged inside the mounting groove 4, a limiting groove 6 is opened at the top of one end of the fixture 5, a receiving groove 7 is opened at the top end inside the mounting groove 4, and a limiting mechanism is arranged inside the receiving groove 7.

[0023] Through the above solution, by pulling the pulling block 21 fixedly arranged at one end of the movable rod 18 at the top of the movable block 3, the limiting block 19 can be moved out of the limiting groove 6 opened at the top of one end of the fixture 5, so as to achieve the disassembly and installation effect of the fixture 5, facilitate the use of different fixtures 5 for fixed clamping according to different parts, the operation is quick and simple, the working effect is improved, and the practicality of the device is increased.

[0024] In this embodiment, preferably, the transmission mechanism includes a first bevel gear 8 and a second bevel gear 9, the first bevel gear 8 is provided at the top of the movable groove 2 through a rotating shaft, and the second bevel gear 9 is provided at one side of the movable groove 2 through a rotating shaft, and the first bevel gear 8 is meshed with the second bevel gear 9;

[0025] Through the above scheme, a handle 22 is provided on one end of the rotating shaft where the second bevel gear 9 is located on the outer side of the installation frame 1, and the first bevel gear 8 is meshed with the second bevel gear 9, so that the threaded rod 10 connected to the first bevel gear is rotated to drive the trapezoidal block 11 movably provided at the top through the thread groove to move, and then the sliders 13 on both sides are driven to move through the inclined surface setting of the trapezoidal block 11, and finally the movable blocks 3 are driven to move relative to each other, so as to achieve the clamping and positioning effect of the clamps 5 on both sides on the parts, avoid loosening during the processing of the parts, thereby improving the processing accuracy, and facilitating disassembly, thereby increasing the practicality of the device;

[0026] In this embodiment, preferably, the moving mechanism includes a threaded rod 10, a trapezoidal block 11, a slide groove 12, a slider 13, and a connection port 14. The threaded rod 10 is provided at the bottom end of the interior of the installation frame 1 through a rotating shaft, and the trapezoidal block 11 is movably provided at the top of the threaded rod 10 through a threaded groove. Slide grooves 12 are provided on both sides of the exterior of the trapezoidal block 11, and a slider 13 is movably provided inside the slide groove 12. A connection port 14 is provided on both sides of the top of the installation frame 1, and the top of the slider 13 passes through the connecting port 14 and is fixedly connected to the movable block 3, and the bottom end of the threaded rod 10 is transmission-connected to the first bevel gear 8 through a rotating shaft;

[0027] Through the above scheme, the threaded rod 10 connected to the first conical gear is rotated to drive the trapezoidal block 11 movably arranged at the top through the thread groove to move, and then the sliders 13 on both sides are driven to move through the inclined surface of the trapezoidal block 11, and finally the movable blocks 3 are driven to move relative to each other, so as to achieve the clamping and positioning effect of the clamps 5 on both sides on the parts, avoid loosening during the processing of the parts, thereby improving the processing accuracy, facilitating disassembly, and increasing the practicality of the device;

[0028] In this embodiment, preferably, the stabilizing mechanism includes a moving groove 15 and a moving block 16. The moving groove 15 is provided on both sides of the bottom of the installation frame 1. The moving block 16 is movably provided inside the moving groove 15. The top of the moving block 16 is fixedly connected to the slider 13.

[0029] Through the above solution, when the slider 13 moves, it is fixedly connected to the moving block 16 movably arranged inside the moving groove 15, which plays a limiting effect and improves the stability and smoothness of the movement.

[0030] In this embodiment, preferably, the limiting mechanism includes a sleeve 17, a movable rod 18, a limiting block 19, a spring 20, and a pull block 21. The sleeve 17 is provided at the top of the accommodating groove 7, and the movable rod 18 is movably provided inside the sleeve 17. The limiting block 19 is fixedly provided at one end of the movable rod 18. A spring 20 is provided on the outside of the movable rod 18 between the limiting block 19 and the sleeve 17. One end of the limiting block 19 is located inside the limiting groove 6, and a pull block 21 is fixedly provided at one end of the movable rod 18 at the top of the movable block 3;

[0031] Through the above scheme, by pulling the pull block 21 fixedly arranged at one end of the movable rod 18 at the top of the movable block 3, the limit block 19 can be moved out of the limit groove 6 opened at the top of one end of the clamp 5, thereby realizing the disassembly and installation effect of the clamp 5, facilitating the use of different clamps 5 for fixing and clamping according to different parts, the operation is quick and simple, the working effect is improved, and the practicality of the device is increased;

[0032] In this embodiment, preferably, a handle 22 is provided on one end of the rotating shaft where the second bevel gear 9 is located on one side of the outer side of the mounting frame 1;

[0033] The above scheme facilitates the operation of the staff and improves the work efficiency.

[0034] When using the clamping device for high-precision mechanical parts processing of the present embodiment, the parts to be processed are first placed on the top of the installation frame 1, and then the handle 22 arranged on the outer side of the installation frame 1 at one end of the rotating shaft where the second bevel gear 9 is located is used. Through the meshing of the first bevel gear 8 and the second bevel gear 9, the threaded rod 10 connected to the first bevel gear is rotated to drive the top end to move through the trapezoidal block 11 movably arranged through the thread groove, and then the sliders 13 on both sides are driven to move through the inclined surface of the trapezoidal block 11, and finally the movable blocks 3 are driven to move relative to each other, so as to achieve the clamping and positioning effect of the parts by the clamps 5 on both sides, avoid loosening during the processing of the parts, thereby improving the processing accuracy, facilitating disassembly, and increasing the practicality of the device. While the slider 13 moves, it is fixedly connected to the movable block 16 movably arranged inside the movable groove 15, which plays a limiting effect and improves the stability and smoothness during movement. By pulling the pull block 21 fixed at one end of the movable rod 18 on the top of the movable block 3, the limit block 19 can be moved out of the limit groove 6 opened at the top of one end of the clamp 5, thereby realizing the disassembly and installation effect of the clamp 5, which is convenient for using clamps 5 of different shapes to fix and clamp different parts. The operation is quick and simple, which improves the working effect and increases the practicality of the device.

[0035] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present utility model and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A clamping device for high-precision mechanical parts processing, comprising a mounting frame (1), characterized in that: A movable groove (2) is provided at the bottom of the installation, a transmission mechanism is arranged inside the movable groove (2), a moving mechanism is arranged at the bottom of the installation frame (1), stabilizing mechanisms are arranged on both sides of the bottom of the installation frame (1), movable blocks (3) are arranged on both sides above the moving mechanism, a mounting groove (4) is provided on one side of the movable block (3), a clamp (5) is arranged inside the mounting groove (4), a limiting groove (6) is provided at the top of one end of the clamp (5), a receiving groove (7) is provided at the top of the installation groove (4), and a limiting mechanism is arranged inside the receiving groove (7).

2. A clamping device for high-precision mechanical parts processing according to claim 1, characterized in that: The transmission mechanism comprises a first bevel gear (8) and a second bevel gear (9); the first bevel gear (8) is arranged at the top end of the movable groove (2) via a rotating shaft, and the second bevel gear (9) is arranged at one side of the movable groove (2) via a rotating shaft; the first bevel gear (8) is meshed with the second bevel gear (9).

3. A clamping device for high-precision mechanical parts processing according to claim 1, characterized in that: The moving mechanism comprises a threaded rod (10), a trapezoidal block (11), a slide groove (12), a slider (13), and a connection port (14); the threaded rod (10) is arranged at the bottom of the interior of the installation frame (1) via a rotating shaft; the trapezoidal block (11) is movably arranged at the top of the threaded rod (10) via a threaded groove; slide grooves (12) are arranged on both sides of the exterior of the trapezoidal block (11); a slider (13) is movably arranged inside the slide groove (12); a connection port (14) is arranged on both sides of the top of the installation frame (1); the top of the slider (13) passes through the connection port (14) and is fixedly connected to the movable block (3); the bottom of the threaded rod (10) is transmission-connected to the first bevel gear (8) via a rotating shaft.

4. A clamping device for high-precision mechanical parts processing according to claim 1, characterized in that: The stabilizing mechanism comprises a movable groove (15) and a movable block (16); the movable groove (15) is provided on both sides of the bottom of the installation frame (1); a movable block (16) is movably arranged inside the movable groove (15); and the top of the movable block (16) is fixedly connected to the slider (13).

5. The clamping device for high-precision mechanical parts processing according to claim 1, characterized in that: The limiting mechanism comprises a sleeve (17), a movable rod (18), a limiting block (19), a spring (20), and a pulling block (21); a sleeve (17) is arranged at the top end of the accommodating groove (7); a movable rod (18) is movably arranged inside the sleeve (17); a limiting block (19) is fixedly arranged at one end of the movable rod (18); a spring (20) is arranged between the limiting block (19) and the sleeve (17) on the outside of the movable rod (18); one end of the limiting block (19) is located inside the limiting groove (6); and a pulling block (21) is fixedly arranged at one end of the movable rod (18) at the top of the movable block (3).

6. A clamping device for high-precision mechanical parts processing according to claim 1, characterized in that: A handle (22) is provided on one end of the rotating shaft where the second bevel gear (9) is located, on one side of the outside of the installation frame (1).

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