Special-shaped workpiece tool clamp for machining mechanical parts

Abstract

The utility model relates to the technical field of mechanical part machining, in particular to a tool clamp for machining special-shaped workpieces through mechanical parts. Fixed plates are arranged on the sides of the movable plates; the device has the beneficial effects that a motor is started to enable a driving gear to rotate, the driving gear and a rotating gear are in meshing transmission, the rotating gear drives a threaded rod to rotate, and a thread on the threaded rod rotates along a threaded hole in a sliding block, so that the sliding block moves along a sliding groove and gets close to a special-shaped part on a base; the elastic clamping plates installed on the sliding blocks extrude the side faces of the part, the elastic clamping plates deform to be tightly attached to the part, so that the contact area of the elastic clamping plates and the special-shaped part is increased, and the movable plates in the multiple sliding grooves are close to the special-shaped part and enable the elastic clamping plates to extrude the side faces of the special-shaped part. And the special-shaped part is more stably fixed on the base, so that the clamping stability of the device on the special-shaped workpiece is enhanced, and the machining precision and the machining efficiency of a product are improved.

Description

Technical Field

[0001] The utility model relates to the field of mechanical parts processing, in particular to a fixture for processing special-shaped workpieces of mechanical parts. Background Art

[0002] A fixture is a device used to secure a workpiece in the correct position for construction or inspection during the manufacturing process. Broadly speaking, any device used to quickly, conveniently, and safely secure a workpiece during any process can be called a fixture.

[0003] In the field of mechanical processing, as demands for precision and efficiency increase, processing equipment is becoming increasingly specialized and integrated. Consequently, a growing number of irregularly shaped workpieces are being processed on these machines. For example, machine tools often use irregularly shaped spindles when machining special workpieces. These spindles have varying radial dimensions at different axial positions, while also imposing strict dimensional requirements on the inner bore.

[0004] However, when processing special-shaped parts, general tooling fixtures cannot clamp well, resulting in a lack of stability during processing of special-shaped parts, which in turn affects the processing accuracy of the product. In addition, the lack of stability will also lead to the inability to quickly process the parts, reducing processing efficiency and low practicality. Utility Model Content

[0005] The purpose of the utility model is to provide a fixture for machining special-shaped workpieces of mechanical parts, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a fixture for machining special-shaped workpieces of mechanical parts, the fixture comprising: a base, a slide groove is provided on the base, and a plurality of motors are provided on the bottom surface of the base;

[0007] The movable plate has a slot on its upper surface and a fixed plate on its side.

[0008] Preferably, the slide groove is a "cross" shaped groove structure, a threaded rod is provided in the slide groove, the threaded rod is threadedly connected to the threaded hole on the slider, the threaded rod is rotatably connected to the base, and the threaded rod passes through the hole opened on the inner side of the slide groove and is fixedly connected to the rotating gear in the gear groove opened on the bottom surface of the base.

[0009] Preferably, the motor is fixedly connected to the base, the transmission shaft of the motor is fixedly connected to the driving gear, and the driving gear and the rotating gear are meshed with each other.

[0010] Preferably, the card slot is a "convex" groove structure, the card block fixedly connected to the elastic splint can be inserted into the card slot, a limiting groove is provided on the side of the elastic splint, the limiting groove is a "convex" groove structure, the protrusion fixedly connected to the side of the connecting plate is stuck in the limiting groove, the connecting plate can move along the limiting groove, and the connecting plate is fixedly connected to a number of limiting rods, which can pass through the holes provided on the card plate fixedly connected to the elastic splint and be inserted into the limiting holes.

[0011] Preferably, the fixed plate is fixedly connected to the movable plate, and a limiting hole is provided on the fixed plate. The limiting hole is a circular groove structure, and the limiting rod can be inserted into the limiting hole.

[0012] Preferably, the slider is a "cross" shaped plate structure, the slider is arranged in a slide groove, the slider can move along the slide groove, and the upper surface of the slider is fixedly connected to the movable plate.

[0013] Preferably, the limiting rod is a cylindrical structure, and a spring is sleeved on the limiting rod. One end of the spring is fixedly connected to the connecting plate, and the other end of the spring is fixedly connected to the clamping plate.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The tooling fixture for processing special-shaped workpieces of mechanical parts proposed in the utility model starts the motor to rotate the driving gear, the driving gear and the rotating gear mesh with each other for transmission, the rotating gear drives the threaded rod to rotate, the threads on the threaded rod rotate along the threaded holes on the slider, so that the slider moves along the slide groove and approaches the special-shaped part on the base, the elastic splint installed on the slider is squeezed against the side of the part, the elastic splint is deformed and tightly adheres to the part, increasing the contact area between the elastic splint and the special-shaped part, and fixing the special-shaped part on the base more stably, the movable plates in the multiple slide grooves provided on the base approach the special-shaped part and squeeze the elastic splint against the side of the special-shaped part, The surfaces of the special-shaped parts in multiple directions are made to fit tightly with the elastic splints, and the special-shaped parts are fixed on the base more stably, thereby enhancing the stability of the device in clamping the special-shaped workpieces and improving the processing accuracy and efficiency of the products. The connecting plate is pulled to move along the limit groove opened on the side of the elastic splint so that the limit rod moves along the hole opened on the clamping plate and disengages from the limit hole opened on the fixed plate. The clamping block fixedly connected to the elastic splint can be taken out along the clamping groove opened on the movable plate. When the elastic splint is damaged, it can be disassembled and replaced more conveniently, which is convenient for the staff to install and disassemble. The structure is simple, convenient for the staff to maintain in the later stage, and highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the utility model;

[0017] Figure 2 for Figure 1 A in the middle is an enlarged structural diagram;

[0018] Figure 3 for Figure 1 The enlarged structural diagram at B in the middle;

[0019] Figure 4 It is a schematic diagram of the local structure of the utility model;

[0020] Figure 5 for Figure 4 The enlarged structural diagram at C in the middle;

[0021] Figure 6 for Figure 4 Enlarged structural diagram at point D in the middle.

[0022] In the figure: 1. Base; 2. Moving plate; 3. Slide; 4. Motor; 5. Gear slot; 6. Clamping slot; 7. Fixed plate; 8. Slider; 9. Threaded rod; 10. Rotating gear; 11. Driving gear; 12. Connecting plate.

[0023] 13. Spring; 14. Limit rod; 15. Limit hole; 16. Clamping plate; 17. Limiting groove; 18. Elastic splint; 19. Clamping block. DETAILED DESCRIPTION

[0024] In order to clearly and completely describe the purpose and technical solution of the present invention and make its advantages more clearly understood, the following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention and are not intended to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Example 1

[0026] See also Figures 1-6 The utility model provides a technical solution: a fixture for machining special-shaped workpieces of mechanical parts, the fixture comprising: a base 1, the base 1 is provided with a slide groove 3, a plurality of motors 4 are provided on the bottom surface of the base 1; a movable plate 2, the upper surface of the movable plate 2 is provided with a card slot 6, and a fixed plate 7 is provided on the side of the movable plate 2;

[0027] During specific use, the staff places the parts on the base 1, starts the motor 4 to rotate the driving gear 11, and the driving gear 11 and the rotating gear 10 engage with each other for transmission, driving the threaded rod 9 to rotate, and the threaded rod 9 cooperates with the threaded holes on the slider 8, so that the slider 8 moves along the slide groove 3 toward the parts on the base 1, until the elastic splint 18 fixed on the slider 8 contacts the parts, the elastic splint 18 deforms and fits tightly against the parts, and the special-shaped parts are stably fixed on the base 1.

[0028] Example 2

[0029] On the basis of embodiment 1, in order to make the special-shaped parts more stably fixed on the base 1, a slide groove 3 is provided, the slide groove 3 is a "cross" shaped groove structure, a threaded rod 9 is provided in the slide groove 3, the threaded rod 9 is threadedly connected with the threaded hole on the slider 8, the threaded rod 9 is rotatably connected with the base 1, the threaded rod 9 passes through the hole opened on the inner side of the slide groove 3 and is fixedly connected with the rotating gear 10 in the gear groove 5 opened on the bottom surface of the base 1, the thread on the threaded rod 9 cooperates with the threaded hole on the slider 8, the threaded rod 9 can drive the slider 8 to move along the slide groove 3 when it rotates, the motor 4 is fixedly connected to the base 1, the transmission shaft of the motor 4 is fixedly connected to the driving gear 11, the driving gear 11 and the rotating gear 10 are meshed with each other, the starting motor 4 causes the driving gear 11 to rotate, the driving gear 11 and the rotating gear 10 can mesh with each other for transmission, and the rotating gear 10 drives the threaded rod 9 to rotate, and the slide The block 8 has a "cross" shaped plate structure, and the slider 8 is arranged in the slide groove 3. The slider 8 can move along the slide groove 3. The upper surface of the slider 8 is fixedly connected to the movable plate 2. The above structures cooperate with each other, and the starting motor 4 rotates the driving gear 11. The driving gear 11 and the rotating gear 10 are meshed and transmitted with each other. The rotating gear 10 is fixedly connected to the threaded rod 9, and the threads on the threaded rod 9 cooperate with the threaded holes on the slider 8, so that the slider 8 moves along the slide groove 3 until the elastic splint 18 fixed on the slider 8 is squeezed against the side of the component, and the elastic splint 18 is deformed and pressed against the component, stably fixing the special-shaped component on the base 1. The multiple movable plates 2 on the base 1 approach the special-shaped component from multiple directions and squeeze the elastic splint 18 against the side of the special-shaped component, so as to stably fix the special-shaped component on the base 1, thereby enhancing the stability of clamping the special-shaped workpiece.

[0030] Example 3

[0031] On the basis of the second embodiment, a card slot 6 is provided for the convenience of the staff in the later maintenance. The card slot 6 is a "convex" groove structure. The card block 19 fixedly connected to the elastic splint 18 can be inserted into the card slot 6. A limiting groove 17 is provided on the side of the elastic splint 18. The limiting groove 17 is a "convex" groove structure. The convex block fixedly connected to the side of the connecting plate 12 is stuck in the limiting groove 17. The connecting plate 12 can move along the limiting groove 17. The connecting plate 12 is fixedly connected to a plurality of limiting rods 14. The limiting rods 14 can pass through the card blocks fixedly connected on the elastic splint 18. The hole on the plate 16 is inserted into the limiting hole 15. The elastic splint 18 is made of elastic material. When the elastic splint 18 contacts the special-shaped parts, it will deform and contact closely with the surface of the special-shaped parts to increase the contact area. The special-shaped parts can be stably fixed on the base 1. The fixed plate 7 is fixedly connected to the movable plate 2. The fixed plate 7 is provided with a limiting hole 15. The limiting hole 15 is a circular groove structure. The limiting rod 14 can be inserted into the limiting hole 15. The staff pulls the connecting plate 12 to move along the limiting groove 17 to move the limiting rod 14 to the The appropriate position, the card block 19 fixedly connected on the elastic splint 18 is inserted into the card slot 6 opened on the movable plate 2, the connecting plate 12 is released, and the spring 13 pulls the connecting plate 12 to move along the limit groove 17, so that the limit rod 14 is inserted into the limit hole 15 opened on the fixed plate 7 along the hole opened on the card plate 16, and the elastic splint 18 is installed on the movable plate 2. The limit rod 14 is a cylindrical structure, and a spring 13 is provided on the limit rod 14. One end of the spring 13 is fixedly connected to the connecting plate 12, and the other end of the spring 13 is fixedly connected to the card plate 16. The structures cooperate with each other, and the connecting plate 12 is pulled to move along the limit groove 17 to disengage the limit rod 14 fixedly connected on the connecting plate 12 from the limit hole 15 opened on the fixed plate 7, and the staff can take out the elastic splint 18 and the card block 19 along the card groove 6 opened on the movable plate 2. The structure is simple, and even if the elastic splint 18 is damaged, the staff can also remove it and replace it more conveniently, which is convenient for the staff to install and disassemble. The structure is simple, convenient for the staff to actually operate, convenient for the staff to maintain in the future, and highly practical.

[0032] When in actual use, the motor 4 is started to rotate the driving gear 11, and the driving gear 11 and the rotating gear 10 are meshed with each other for transmission. The rotating gear 10 drives the threaded rod 9 to rotate, and the thread on the threaded rod 9 rotates along the threaded hole on the slider 8, so that the slider 8 moves along the slide groove 3 and approaches the special-shaped parts on the base 1, and the elastic splint 18 installed on the slider 8 is squeezed with the side of the part, and the elastic splint 18 is deformed and adheres to the part to increase the contact area between the elastic splint 18 and the special-shaped parts, so that the special-shaped parts are more stably fixed on the base 1, and the moving plates 2 in the multiple slide grooves 3 opened on the base 1 approach the special-shaped parts and squeeze the elastic splint 18 with the side of the special-shaped parts, so that the special-shaped parts are more The surfaces in all directions are in close contact with the elastic splint 18, and the special-shaped parts are fixed on the base 1 more stably, thereby enhancing the stability of the device in clamping the special-shaped workpiece, improving the processing accuracy and processing efficiency of the product, and pulling the connecting plate 12 to move along the limit groove 17 opened on the side of the elastic splint 18 to make the limit rod 14 move along the hole opened on the clamping plate 16 and disengage from the limit hole 15 opened on the fixed plate 7, so that the clamping block 19 fixedly connected to the elastic splint 18 can be taken out along the clamping groove 6 opened on the movable plate 2. When the elastic splint 18 is damaged, it can be disassembled and replaced more conveniently, which is convenient for the staff to install and disassemble, has a simple structure, is convenient for the staff to maintain in the later stage, and is highly practical.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fixture for machining special-shaped workpieces of mechanical parts, characterized by: The fixture for machining special-shaped workpieces of mechanical parts comprises: a base (1), the base (1) is provided with a slide groove (3), and a plurality of motors (4) are arranged on the bottom surface of the base (1); A movable plate (2), wherein a slot (6) is provided on the upper surface of the movable plate (2), and a fixed plate (7) is provided on the side surface of the movable plate (2); The clamping groove (6) is a "convex" groove-shaped structure. The clamping block (19) fixedly connected to the elastic clamping plate (18) can be clamped into the clamping groove (6). A limiting groove (17) is provided on the side of the elastic clamping plate (18). The limiting groove (17) is a "convex" groove-shaped structure. The convex block fixedly connected to the side of the connecting plate (12) is clamped in the limiting groove (17). The connecting plate (12) can move along the limiting groove (17). The connecting plate (12) is fixedly connected to a plurality of limiting rods (14). The limiting rods (14) can pass through the holes provided on the clamping plate (16) fixedly connected to the elastic clamping plate (18) and be clamped into the limiting holes (15).

2. A fixture for machining special-shaped workpieces of mechanical parts according to claim 1, characterized in that: The slide groove (3) is in a "cross" shaped groove structure. A threaded rod (9) is provided in the slide groove (3). The threaded rod (9) is threadedly connected to the threaded hole on the slider (8). The threaded rod (9) is rotatably connected to the base (1). The threaded rod (9) passes through a hole provided on the inner side surface of the slide groove (3) and is fixedly connected to a rotating gear (10) in a gear groove (5) provided on the bottom surface of the base (1).

3. The fixture for machining special-shaped workpieces of mechanical parts according to claim 1, characterized in that: The motor (4) is fixedly connected to the base (1), the transmission shaft of the motor (4) is fixedly connected to the driving gear (11), and the driving gear (11) and the rotating gear (10) are meshed with each other.

4. The fixture for machining special-shaped workpieces of mechanical parts according to claim 1, characterized in that: The fixed plate (7) is fixedly connected to the movable plate (2). A limiting hole (15) is provided on the fixed plate (7). The limiting hole (15) is a circular groove-shaped structure. The limiting rod (14) can be inserted into the limiting hole (15).

5. The fixture for machining special-shaped workpieces of mechanical parts according to claim 2, characterized in that: The slider (8) is a "cross"-shaped plate structure. The slider (8) is arranged in the slide groove (3). The slider (8) can move along the slide groove (3). The upper surface of the slider (8) is fixedly connected to the movable plate (2).

6. The fixture for machining special-shaped workpieces of mechanical parts according to claim 1, characterized in that: The limiting rod (14) is a cylindrical structure. A spring (13) is sleeved on the limiting rod (14). One end of the spring (13) is fixedly connected to the connecting plate (12), and the other end of the spring (13) is fixedly connected to the clamping plate (16).

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