Fixing device for part machining

Abstract

The utility model relates to the technical field of part machining fixing devices, in particular to a part machining fixing device which comprises a bottom plate, a blind hole is formed in the middle of the bottom plate, a rotating disc is arranged in the blind hole, a worm gear is fixedly connected to the bottom of the rotating disc, and the bottom of the worm gear is rotationally connected with the bottom of the blind hole. One end of the worm penetrates through the bottom plate and is fixedly connected with a first grip, a groove is formed in the top of the rotating disc, a control device is arranged in the groove, a pair of movable columns are symmetrically arranged at the top of the groove and are both in sliding connection with the rotating disc through the control device, and clamping devices with good wrapping performance are arranged in the tops of the movable columns. More machining directions can be provided, and parts in various shapes can be effectively fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of parts processing fixing devices, in particular to a parts processing fixing device. Background Art

[0002] Parts processing refers to the process of processing raw materials into parts that meet specific requirements through mechanical processing, CNC processing or other processing methods. In the manufacturing industry, parts processing is a very common process. It covers the processing range from simple nails and screws to complex mechanical parts. In order to effectively process parts, it is usually necessary to use a fixture. A fixture refers to a device used to fix the workpiece so that it maintains a stable position and posture during the processing. This is because during the processing, the workpiece needs to undergo various cutting, grinding or other forms of processing operations. If the workpiece position is unstable or the posture is incorrect, it will lead to a decrease in processing accuracy or even processing errors. The fixture can also improve work safety. During the processing process, if the workpiece position is unstable, there may be a risk of operator injury or damage to machinery and equipment, and the fixture can effectively reduce these risks and ensure the safety of the workplace.

[0003] To this end, the utility model patent with publication number CN214770445U discloses a fixing device for processing high-pressure gear pump parts, including an end cover body, a fixing table, a first fixing plate, a second fixing plate and a fixing device, wherein the second fixing plate is provided with a V-shaped groove, the end cover body is fixed between the V-shaped groove and the second fixing plate, the second fixing plate is fixedly connected to the fixing table, a slide groove is provided on the fixing table, the fixing device is mainly used to fix the end cover body, and at the same time it is convenient to fix the asymmetric end cover body, and the fixing device is installed in the slide groove on the fixing table. The utility model adjusts and clamps the clamping assembly in the fixing device so that the adapter assembly can better fit the side of the end cover body, has a simple structure and is easy to operate, solves the problem that the existing end cover fixing device can only fix end covers with symmetrical shapes and cannot adapt to the fixing of special-shaped end covers, and makes the fixing device more widely applicable.

[0004] However, this patent cannot rotate to adjust the angle, which has certain limitations in actual use, and this patent requires precise human control for fixing, which is rather troublesome. Utility Model Content

[0005] The purpose of the utility model is to provide a fixing device for parts processing in view of the above-mentioned deficiencies of the prior art, which can rotate the parts to be processed, provide more processing angles, and can also conveniently fix the parts to be processed.

[0006] The technical solution adopted by the utility model is a fixing device for parts processing, comprising a base plate, a blind hole is opened in the middle of the base plate, a turntable is arranged in the blind hole, a worm wheel is fixedly connected to the bottom of the turntable, the bottom of the worm wheel is rotatably connected to the bottom of the blind hole, one side of the worm wheel is rotatably connected to a worm, one end of the worm passes through the base plate and is fixedly connected to a first handle, a groove is opened on the top of the turntable, a control device is arranged in the groove, a pair of movable columns are symmetrically arranged on the top of the groove, the pair of movable columns are slidably connected to the turntable through the control device, and a clamping device with good wrapping properties is arranged on the top of the movable columns.

[0007] The turntable can be controlled to rotate by holding the handle and turning it, thereby changing the angle of the part to facilitate processing, and the clamping device can effectively clamp parts of various shapes.

[0008] Preferably, the control device includes a second handle, one end of which is fixedly connected to a cylinder, the cylinder passes through the turntable and enters the groove, one end of the cylinder located in the groove is provided with a left thread, and the other end is provided with a right thread, and the left thread and right thread surfaces are both threadedly connected with moving blocks, and the moving blocks on the left thread and right thread surfaces are respectively fixedly connected to the bottom of the pair of movable columns.

[0009] The moving blocks are brought closer to each other by rotating the left thread and the right thread, thereby driving the fixing device to fix and clamp the object, which is simple and convenient to use.

[0010] Preferably, the clamping device includes a receiving groove, and a plurality of receiving grooves are provided. The plurality of receiving grooves are evenly opened in the movable column, and a spring is provided in each of the plurality of receiving grooves. One end of the spring is fixedly connected to the bottom end of the receiving groove, and the other end is fixedly connected to the fixed column.

[0011] Through the cooperation of the fixing column and the receiving groove, parts of different shapes of the column can be effectively clamped.

[0012] Preferably, a plurality of placement grooves are provided on the top surface of the bottom plate.

[0013] The placement groove can accommodate some parts to be processed or parts that have been processed.

[0014] Preferably, mounting plates integrally formed with the bottom plate are provided at the four corners of the bottom plate, and mounting holes are provided on the surfaces of the mounting plates.

[0015] The device can be fixedly installed by setting fixing tools such as bolts in the installation holes.

[0016] Preferably, a protective sleeve is provided on the surface of the fixing column.

[0017] The protective cover can protect the parts and reduce scratches caused by friction between the fixing column and the parts.

[0018] The utility model is simple and convenient to use. It only requires placing the parts to be processed on the turntable, and then holding the second handle and rotating it so that the movable column drives the clamping device to fix it, which is convenient for processing. If the angle of the parts to be processed is to be adjusted, it only requires holding the first handle and rotating it.

[0019] Compared with the prior art, the beneficial effect of the present invention is that the turntable can be rotated, thereby driving the parts on the turntable to rotate, so that the processing angle can be adjusted according to the processing requirements, and the clamping device can effectively fix parts of more sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of a fixing device for parts processing proposed by the utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of a fixture for parts processing proposed by the utility model;

[0022] Figure 3 It is an enlarged view of point A of the present utility model.

[0023] Description of the symbols in the figure

[0024] 1. Base plate; 12. Blind hole; 13. Turntable; 14. Worm wheel; 15. Worm; 16. First handle; 17. Groove; 2. Control device; 21. Second handle; 22. Cylinder; 23. Left thread; 24. Right thread; 25. Moving block; 3. Clamping device; 31. Storage groove; 32. Spring; 33. Fixed column; 4. Placement groove; 5. Mounting plate; 51. Mounting hole. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the embodiments of the present application easy to understand, the embodiments of the present application are further explained below in combination with diagrams and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the embodiments of the present application and are not used to limit the embodiments of the present application.

[0026] Embodiment 1: According to Figure 1 , Figure 2 and Figure 3The utility model is schematically shown as a fixing device for parts processing, comprising a base plate 1, a blind hole 12 is opened in the middle of the base plate 1, a turntable 13 is provided in the blind hole 12, a worm wheel 14 is fixedly connected to the bottom of the turntable 13, the bottom of the worm wheel 14 is rotatably connected to the bottom of the blind hole 12, a worm 15 is rotatably connected to one side of the worm wheel 14, one end of the worm 15 passes through the base plate 1 and is fixedly connected to a first handle 16, a groove 17 is opened on the top of the turntable 13, a control device 2 is arranged in the groove 17, a pair of movable columns 18 are symmetrically arranged on the top of the groove 17, the pair of movable columns 18 are both slidably connected to the turntable 13 through the control device 2, and a clamping device 3 with good wrapping properties is arranged in the top of the movable columns 18.

[0027] In this embodiment, it is only necessary to hold the first handle 16 and rotate it. The rotation of the first handle 16 will drive the worm 15 to rotate, and the rotation of the worm 15 will drive the worm wheel 14 to rotate, and then drive the turntable 13 to rotate, thereby driving the parts on the fixed column 33 to rotate, making it convenient for users to process them.

[0028] Embodiment 2: According to Figure 2 The control device 2 shown includes a second handle 21, one end of which is fixedly connected to a cylinder 22, the cylinder 22 passes through the turntable 13 and enters the groove 17, one end of the cylinder 22 located in the groove 17 is provided with a left thread 23, and the other end is provided with a right thread 24, and the surfaces of the left thread 23 and the right thread 24 are both threadedly connected with moving blocks 25, and the moving blocks 25 on the surfaces of the left thread 23 and the right thread 24 are respectively fixedly connected to the bottom of the pair of movable columns 18.

[0029] In this embodiment, it is only necessary to hold the second handle 21 and rotate it. The rotation of the second handle 21 will drive the cylinder 22 to rotate, and the rotation of the cylinder 22 will drive the left thread 23 and the right thread 24 to rotate, thereby driving the moving blocks 25 on the surfaces of the left thread 23 and the right thread 24 to approach each other, thereby driving the pair of movable columns 18 to approach each other, and then driving the fixed columns 33 on the pair of movable columns 18 to approach each other, so that the fixed columns 33 are in contact with the parts to be processed.

[0030] Embodiment 3: According to Figure 3 The clamping device 3 shown includes a receiving groove 31, and a plurality of receiving grooves 31 are provided. The plurality of receiving grooves 31 are evenly opened in the movable column 18, and a spring 32 is provided in each of the plurality of receiving grooves 31. One end of the spring 32 is fixedly connected to the bottom end of the receiving groove 31, and the other end is fixedly connected to the fixed column 33.

[0031] In the present embodiment, a plurality of fixed columns 33 are provided, and the parts will only contact the fixed columns 33 having the same area as the fixed columns 33. Continuous rotation of the second handle 21 will cause the fixed columns 33 on the pair of movable columns 18 to continue to approach each other, while the fixed columns 33 contacting the parts cannot move forward, thereby compressing the spring 32 and shrinking it into the receiving groove 31. At this time, the parts will be wrapped by the fixed columns 33 that are not in contact, thereby fixing the parts to be processed.

[0032] Embodiment 4: According to Figure 1 The top surface of the bottom plate 1 is provided with a plurality of placement grooves 4 .

[0033] In this embodiment, the parts to be processed or other parts required for processing can be placed in the placement groove 4.

[0034] Embodiment 5: According to Figure 1 As shown, mounting plates 5 integrally formed with the bottom plate 1 are provided at four corners of the bottom plate 1 , and mounting holes 51 are provided on the surfaces of the mounting plates 5 .

[0035] In this embodiment, the device can be fixedly installed by arranging fixing tools such as bolts in the installation hole 51.

[0036] Embodiment 6: According to Figure 3 The surface of the fixing column 33 is shown to be covered with a protective sleeve.

[0037] In this embodiment, the protective cover can be made of flexible materials such as rubber or sponge, which can effectively prevent the fixing column 33 from being scratched by friction with the parts when clamping the parts.

[0038] In actual use, it is only necessary to place the part to be processed on the surface of the fixed column 33, and then hold the second handle 21 and rotate it. The rotation of the second handle 21 will drive the cylinder 22 to rotate, and the rotation of the cylinder 22 will drive the left thread 23 and the right thread 24 to rotate, thereby driving the moving blocks 25 on the surfaces of the left thread 23 and the right thread 24 to approach each other, thereby driving the pair of movable columns 18 to approach each other, and then driving the fixed columns 33 on the pair of movable columns 18 to approach each other, so that the fixed columns 33 are in contact with the part to be processed, and there are multiple fixed columns 33, and the part will only contact the fixed columns 33 with the same area as the fixed columns 33, and the continuous rotation of the second handle 21 will make the fixed columns 33 with the pair of movable columns 18 approach each other. The fixing posts 33 on 8 continue to approach each other, while the fixing posts 33 in contact with the parts cannot move forward, and the spring 32 will be compressed and retracted into the receiving groove 31. At this time, the parts will be wrapped by the fixing posts 33 that are not in contact, thereby fixing the parts to be processed. To adjust the angle of the parts, you only need to hold the first handle 16 and rotate it. The rotation of the first handle 16 will drive the worm 15 to rotate, and the rotation of the worm 15 will drive the worm wheel 14 to rotate, and then drive the turntable 13 to rotate, thereby driving the parts on the fixing posts 33 to rotate, which is convenient for users to process them. In addition, because the worm wheel 14 and the worm 15 are self-locking, the worm wheel 14 can be effectively prevented from rotating by itself when it is not subjected to the force of the worm 15.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, a person of ordinary skill in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some or all of the technical features therein can be replaced by equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A fixture for parts processing, comprising a base plate (1), characterized in that: A blind hole (12) is provided in the middle of the bottom plate (1), a rotating disk (13) is provided in the blind hole (12), a worm wheel (14) is fixedly connected to the bottom of the rotating disk (13), the bottom of the worm wheel (14) is rotatably connected to the bottom of the blind hole (12), a worm (15) is rotatably connected to one side of the worm wheel (14), one end of the worm (15) passes through the bottom plate (1) and is fixedly connected to a first handle (16), a groove (17) is provided at the top of the rotating disk (13), a control device (2) is provided in the groove (17), a pair of movable columns (18) are symmetrically provided at the top of the groove (17), the pair of movable columns (18) are both slidably connected to the rotating disk (13) through the control device (2), and a clamping device (3) with good wrapping performance is provided in the top of the movable columns (18).

2. A fixing device for parts processing according to claim 1, characterized in that: The control device (2) comprises a second handle (21), one end of which is fixedly connected to a cylinder (22), the cylinder (22) passes through the turntable (13) and enters the groove (17), one end of the cylinder (22) located in the groove (17) is provided with a left thread (23), and the other end is provided with a right thread (24), the surfaces of the left thread (23) and the right thread (24) are both threadedly connected to moving blocks (25), and the moving blocks (25) on the surfaces of the left thread (23) and the right thread (24) are respectively fixedly connected to the bottom of the pair of movable columns (18).

3. A fixture for parts processing according to claim 1 or 2, characterized in that: The clamping device (3) comprises a receiving groove (31), wherein a plurality of receiving grooves (31) are provided, wherein the plurality of receiving grooves (31) are evenly arranged in the movable column (18), wherein a spring (32) is provided in each of the plurality of receiving grooves (31), wherein one end of the spring (32) is fixedly connected to the bottom end of the receiving groove (31), and the other end of the spring (32) is fixedly connected to the fixed column (33).

4. A fixing device for parts processing according to claim 1 or 2, characterized in that: A plurality of placement grooves (4) are provided on the top surface of the bottom plate (1).

5. A fixing device for parts processing according to claim 3, characterized in that: A plurality of placement grooves (4) are provided on the top surface of the bottom plate (1).

6. A fixture for parts processing according to claim 1, 2 or 5, characterized in that: Mounting plates (5) formed integrally with the bottom plate (1) are provided at the four corners of the bottom plate (1), and mounting holes (51) are provided on the surfaces of the mounting plates (5).

7. A fixture for parts processing according to claim 3, characterized in that: Mounting plates (5) formed integrally with the bottom plate (1) are provided at the four corners of the bottom plate (1), and mounting holes (51) are provided on the surfaces of the mounting plates (5).

8. A fixing device for parts processing according to claim 4, characterized in that: Mounting plates (5) formed integrally with the bottom plate (1) are provided at the four corners of the bottom plate (1), and mounting holes (51) are provided on the surfaces of the mounting plates (5).

9. A fixture for parts processing according to claim 3, characterized in that: The surface of the fixing column (33) is covered with a protective sleeve.

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