A fixing fixture for machining chucks

Abstract

This utility model discloses a fixing fixture for machining chucks, including a base plate. A cylinder is fixedly connected to the upper surface of the base plate, and a connecting frame is fixedly connected to the output end of the cylinder. A mounting seat is provided at the top of the connecting frame, and multiple support rods are fixedly connected to the lower surface of the mounting seat, with the support rods fixedly connected to the base plate. Multiple sliding grooves are evenly distributed on the mounting seat, and a slider is slidably connected in the sliding groove. A second wedge is fixedly connected to one outer wall of the slider. This utility model uses a cylinder to drive the connecting frame, and the first wedge on the connecting frame synchronously drives the second wedge, thereby realizing the synchronous adjustment of the clamping block assembly. While retaining the convenience of operation, it can reduce the manufacturing cost and assembly difficulty of the fixture. The clamping block assembly uses rubber pads for buffering and increasing friction, improving the stability of clamping and preventing scratches on the chuck surface. The clamping block body adopts a trapezoidal limiting groove and notch design, which not only facilitates the replacement of rubber pads but also has the advantage of easy processing.

Description

Technical Field

[0001] This utility model relates to the field of fixture technology, and in particular to a fixing fixture for machining chucks. Background Technology

[0002] Existing chuck machining fixtures mostly employ a clamping block structure, fixing the chuck by adjusting the clamping blocks with screws. While this structure is simple and easy to manufacture, in practice, adjusting each screw individually is cumbersome and time-consuming, significantly impacting machining efficiency and making it unsuitable for the pace of modern mass production. To address this issue, some technologies use an active bevel gear to drive a driven bevel gear, which in turn drives a slider via a threaded rod, achieving synchronous adjustment of the clamping blocks on the slider. This significantly improves operational convenience, but still has the following drawbacks: 1. The need for multiple gears and threaded rods not only significantly increases the manufacturing cost of the fixture but also requires strict adherence to the initial position of the slider and precise gear meshing during assembly, placing extremely high demands on the assembly process, leading to high assembly difficulty and increased labor costs; 2. The clamping blocks of existing fixtures are in direct contact with the chuck surface, easily scratching the chuck surface during clamping, affecting the quality of the finished chuck. Furthermore, this contact method results in low friction, making it difficult to ensure stable clamping of the chuck. Utility Model Content

[0003] The purpose of this invention is to provide a fixing fixture for machining chucks, so as to solve the problems mentioned in the background art.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a fixing fixture for processing chucks, including a base plate, a cylinder fixedly connected to the upper surface of the base plate, a connecting frame fixedly connected to the output end of the cylinder, a mounting seat provided at the top of the connecting frame, a plurality of support rods fixedly connected to the lower surface of the mounting seat, and the support rods fixedly connected to the base plate, a plurality of sliding grooves evenly distributed on the mounting seat, a slider slidably connected in the sliding groove, a second wedge fixedly connected to one outer wall of the slider, a first wedge slidably connected to the second wedge, and the first wedge fixedly connected to the connecting frame.

[0005] Preferably, a first mounting hole is provided on the outer wall of the other side of the slider, a spring is provided in the first mounting hole, one end of the spring is provided in the groove, and the other end is provided on the second wedge.

[0006] Preferably, the slider has a second mounting hole, a screw is hinged in the second mounting hole, a retaining ring is fixedly connected to the screw, and the retaining ring is located on one side of the second mounting hole.

[0007] Preferably, the slider is equipped with a clamping block assembly, which includes a clamping block body, a threaded hole, a limiting groove, a notch, and a rubber pad. The clamping block body is slidably connected to the slider and threadedly connected to a screw. The clamping block body is equipped with a rubber pad.

[0008] Preferably, a threaded hole is provided on one side of the outer wall of the clamping block body, and a screw is threaded into the threaded hole.

[0009] Preferably, a limiting groove is formed on the outer wall of the other side of the clamping block body, and a rubber pad is set in the limiting groove. Openings are formed on both sides of the inner wall of the limiting groove.

[0010] Preferably, the limiting groove, the notch, and the rubber pad are all isosceles trapezoids.

[0011] This utility model provides a fixing fixture for machining chucks, which has the following advantages: This utility model uses a cylinder to drive the connecting frame, and the first wedge on the connecting frame synchronously drives the second wedge, thereby realizing the synchronous adjustment of the clamping block assembly. While retaining the convenience of operation, it can reduce the manufacturing cost and assembly difficulty of the fixture. The clamping block assembly is buffered and the friction is increased by adding a rubber pad, which improves the stability of clamping and avoids scratching the surface of the chuck. The clamping block body adopts a trapezoidal limiting groove and notch design, which not only facilitates the replacement of the rubber pad, but also has the advantage of easy processing. Attached Figure Description

[0012] 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 some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0014] Figure 2 for Figure 1 Enlarged view of the structure of region A in the middle;

[0015] Figure 3 This is a three-dimensional structural diagram of the slider of this utility model;

[0016] Figure 4 This is a three-dimensional structural diagram of the clamping block body of this utility model;

[0017] Figure 5 This is a three-dimensional structural diagram of the clamping block body of this utility model from another angle.

[0018] In the diagram: 1. Base plate; 11. Cylinder; 12. Connecting frame; 13. First wedge; 14. Second wedge; 15. Slider; 16. First mounting hole; 17. Spring; 18. Second mounting hole; 19. Screw; 110. Retaining ring; 111. Mounting base; 112. Slide groove; 113. Support rod; 2. Clamping block assembly; 21. Clamping block body; 22. Threaded hole; 23. Limiting groove; 24. Notch; 25. Rubber pad. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0020] Please see the appendix Figure 1 - Appendix Figure 5This utility model provides an embodiment of a fixing fixture for machining chucks, comprising a base plate 1, a cylinder 11 fixedly connected to the upper surface of the base plate 1, a connecting frame 12 fixedly connected to the output end of the cylinder 11, a mounting base 111 provided at the top of the connecting frame 12, a plurality of support rods 113 fixedly connected to the lower surface of the mounting base 111, and the support rods 113 fixedly connected to the base plate 1, the mounting base 111 having a plurality of sliding grooves 112 evenly distributed thereon, a slider 15 slidably connected within the sliding grooves 112, a second wedge 14 fixedly connected to one outer wall of the slider 15, a first wedge 13 slidably connected to the second wedge 14, and the first wedge 13 fixedly connected to the connecting frame 12, the base plate 1 being used for support A support cylinder 11 is provided, and the base plate 1 supports the mounting base 111 via a support rod 113. The support cylinder 11 drives the connecting frame 12, which is used to install the first wedge 13. The first wedge 13 pushes the second wedge 14, which in turn drives the slider 15. The slide groove 112 is used to install the slider 15. A first mounting hole 16 is provided on the outer wall of the other side of the slider 15. A spring 17 is installed in the first mounting hole 16, with one end of the spring 17 located in the slide groove 112 and the other end located on the second wedge 14. The first mounting hole 16 is used to accommodate the spring 17, which provides a restoring force to the slider 15. A second mounting hole 18 is provided on the slider 15. A screw 19 is hinged in the mounting hole 18, and a retaining ring 110 is fixedly connected to the screw 19. The retaining ring 110 is located on one side of the second mounting hole 18. The second mounting hole 18 is used to install the screw 19, and the retaining ring 110 is used to limit the screw 19. A clamping block assembly 2 is installed on the slider 15. The clamping block assembly 2 includes a clamping block body 21, a threaded hole 22, a limiting groove 23, a notch 24, and a rubber pad 25. The clamping block body 21 is slidably connected to the slider 15 and threadedly connected to the screw 19. The rubber pad 25 is installed on the clamping block body 21. The clamping block body 21 moves synchronously with the slider 15. The clamping block body 21 improves the stability of clamping through the rubber pad 25. A threaded hole 22 is provided on one outer wall of the clamping block 21, and a screw 19 is threaded into the threaded hole 22. The threaded hole 22 is used to realize the threaded connection between the clamping block body 21 and the screw 19. A limiting groove 23 is provided on the other outer wall of the clamping block body 21, and a rubber pad 25 is set in the limiting groove 23. A notch 24 is provided on both inner walls of the limiting groove 23. The limiting groove 23 is used to install the rubber pad 25, and the notch 24 facilitates the removal of the rubber pad 25. The limiting groove 23, the notch 24 and the rubber pad 25 are all in the shape of isosceles trapezoids. The isosceles trapezoidal limiting groove 23 and the notch 24 have a limiting function and are easy to process. The isosceles trapezoidal rubber pad 25 has good stability and cushioning performance.

[0021] Working principle: When assembling and using this utility model, first install the clamping block body 21 on the slider 15 using screws 19, then install the spring 17 in the first mounting hole 16, then install the slider 15 in the slide groove 112, install the first wedge 13 on the connecting frame 12, install the connecting frame 12 on the output end of the cylinder 11, install the cylinder 11 on the base plate 1, connect the base plate 1 and the mounting seat 111 through the support rod 113, and place the second wedge 14 on one side of the inclined surface of the first wedge 13; when clamping the chuck blank, the chuck blank can be placed on the mounting seat 111, and then the cylinder 11 is retracted. The cylinder 11 drives the first wedge 13 through the connecting frame 12, the first wedge 13 pushes the second wedge 14, the slider 15 on the second wedge 14 slides along the slide groove 112, the slider 15 compresses the spring 17, and the clamping block assembly 2 on the slider 15 also moves accordingly. The clamping block body 21 clamps the chuck blank through the rubber pad 25. After processing is completed, the cylinder 11 can be retracted. When cylinder 11 extends and resets, slider 15 slides and resets along groove 112 under the action of spring 17. If rubber pad 25 needs to be replaced, a fingernail can be inserted through notch 24 into the gap between rubber pad 25 and limiting groove 23. Since rubber pad 25 is elastic, it can be pried out of limiting groove 23. One end of new rubber pad 25 is inserted into limiting groove 23, and then the other end of rubber pad 25 is inserted into limiting groove 23. If chuck blanks of different diameters need to be clamped, in addition to controlling the extension and retraction of cylinder 11, the position of clamping block body 21 can be finely adjusted by turning screw 19. This design is suitable for clamping cylindrical parts of different diameters and can also be used to clamp other polyhedra. The second mounting hole 18 and threaded hole 22 are used to install screw 19, retaining ring 110 is used to limit screw 19, slider 15 and second wedge 14 are integral structures, and limiting groove 23 and notch 24 can be machined with frustum-shaped cutting tools.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Those skilled in the art can understand and implement this without any creative effort.

[0024] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A stationary clamp for machining chucks, comprising a base plate (1), characterized in that: A cylinder (11) is fixedly connected to the upper surface of the base plate (1). A connecting frame (12) is fixedly connected to the output end of the cylinder (11). A mounting seat (111) is provided at the top of the connecting frame (12). Multiple support rods (113) are fixedly connected to the lower surface of the mounting seat (111). The support rods (113) are fixedly connected to the base plate (1). Multiple sliding grooves (112) are evenly distributed on the mounting seat (111). A slider (15) is slidably connected in the sliding groove (112). A second wedge (14) is fixedly connected to one side of the outer wall of the slider (15). A first wedge (13) is slidably connected to the second wedge (14). The first wedge (13) is fixedly connected to the connecting frame (12).

2. A fixing fixture for machining chucks according to claim 1, characterized in that: A first mounting hole (16) is provided on the outer wall of the other side of the slider (15). A spring (17) is provided in the first mounting hole (16), and one end of the spring (17) is provided in the slide groove (112), and the other end is provided on the second wedge (14).

3. A fixing fixture for machining chucks according to claim 2, characterized in that: The slider (15) has a second mounting hole (18), a screw (19) is hinged in the second mounting hole (18), a retaining ring (110) is fixedly connected to the screw (19), and the retaining ring (110) is located on one side of the second mounting hole (18).

4. A fixing fixture for machining chucks according to claim 3, characterized in that: The slider (15) is equipped with a clamping block assembly (2). The clamping block assembly (2) includes a clamping block body (21), a threaded hole (22), a limiting groove (23), a notch (24), and a rubber pad (25). The clamping block body (21) is slidably connected to the slider (15), and the clamping block body (21) is threadedly connected to the screw (19). The clamping block body (21) is equipped with a rubber pad (25).

5. A fixing fixture for machining chucks according to claim 4, characterized in that: A threaded hole (22) is provided on one side of the outer wall of the clamping block body (21), and a screw (19) is threaded into the threaded hole (22).

6. A fixing fixture for machining chucks according to claim 4, characterized in that: A limiting groove (23) is provided on the outer wall of the other side of the clamping block body (21), and a rubber pad (25) is provided in the limiting groove (23). Openings (24) are provided on both sides of the inner wall of the limiting groove (23).

7. A fixing fixture for machining chucks according to claim 6, characterized in that: The limiting groove (23), the notch (24) and the rubber pad (25) are all isosceles trapezoids.

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