Special-shaped gear machining chuck

Abstract

The utility model relates to the technical field of special-shaped gears, in particular to a special-shaped gear machining chuck which comprises a base, two through openings are formed in the upper surface of the base, and two first connecting plates and two second connecting plates are slidably connected to the inner walls of the two through openings correspondingly. The upper surfaces of the two first connecting plates and the upper surfaces of the two second connecting plates are fixedly connected with clamping plates, and the bottom faces of the two first connecting plates are fixedly connected with supporting plates and supporting blocks with holes correspondingly. According to the special-shaped gear clamping device, two sets of clamping plates can get close to each other and get away from each other through cooperation of the right-hand and left-hand threaded rods and the threaded adjusting rods and can not interfere with each other in the moving process, so that a special-shaped gear can be clamped, and through cooperation of a U-shaped plate with a hole, a limiting plate and a threaded positioning rod, the clamping efficiency is improved. And the supporting plate and the supporting block with the hole can be positioned, so that the supporting block with the hole and the supporting plate are kept positioned after clamping the special-shaped gear, and the stability of positioning the special-shaped gear is ensured.

Description

Technical Field

[0001] The present application relates to the technical field of special-shaped gears, and in particular to a special-shaped gear processing chuck. Background Art

[0002] A special-shaped gear, also called a non-circular gear, is a gear whose pitch surface is not a rotating surface. After it forms a gear pair with another gear, during the meshing process, its instantaneous angular velocity ratio changes according to a certain established law of motion.

[0003] Through searching, Chinese patent announcement number CN220591602U discloses a special-shaped gear processing chuck, including a chuck and a connecting seat, the connecting seat is fixedly connected to the side wall of the chuck, the chuck has a cavity inside, the chuck is provided with a first screw inside the cavity, the chuck is provided with a plurality of second screws around the cavity, the chuck is fixedly connected with a plurality of fixed plates around the cavity, the first screw and the plurality of second screws are respectively rotatably connected to the interior of the plurality of fixed plates on the rod walls. The first screw and the second screw provided by the utility model have different thread pitches, and the thread block moves at different speeds while rotating, so that the connecting block and the clamping strip follow the thread block to move, and the special-shaped gear with irregular edges can be stably clamped to ensure the stability of the clamping.

[0004] With respect to the above-mentioned related technologies, the inventors have found the following defects: for example, during use, once two of the clamping strips come into contact with the special-shaped gear, the second threaded rod will not be able to rotate synchronously, so that the remaining two clamping strips will find it difficult to support the special-shaped gear, thereby affecting the supporting effect on the special-shaped gear. For this reason, a special-shaped gear processing chuck is proposed. Utility Model Content

[0005] In order to ensure stability when clamping special-shaped gears, the present application provides a special-shaped gear processing chuck.

[0006] The present application provides a special-shaped gear processing chuck, which adopts the following technical solution: a special-shaped gear processing chuck, including a base, the upper surface of the base is provided with two groups of through holes, the inner walls of the two groups of through holes are respectively slidably connected to two first connecting plates and two second connecting plates, the upper surfaces of the two first connecting plates and the upper surfaces of the two second connecting plates are fixedly connected to clamping plates, the bottom surfaces of the two first connecting plates are respectively fixedly connected to support plates and support blocks with holes, the inner wall of the support block with holes is threadedly connected to a threaded adjustment rod, and the thread The rear end of the adjusting rod is rotatably connected to the front side of the supporting plate through a bearing, and the inner wall of the base is rotatably connected with positive and negative threaded rods through two bearings, and the outer surfaces of the positive and negative threaded rods are threadedly connected to two control blocks with holes, and the upper surfaces of the two control blocks with holes are respectively fixedly connected to the bottom surfaces of the two second connecting plates, and the inner top wall of the base is fixedly connected with a U-shaped plate with holes, and the inner wall of the U-shaped plate with holes is slidably connected with a limiting plate, and the front side of the limiting plate is fixedly connected to the back side of the supporting plate, and the inner wall of the U-shaped plate with holes is threadedly connected with a threaded positioning rod.

[0007] Optionally, two groups of positioning plates are fixedly connected to the outer surface of the base, and two positioning holes are formed on the upper surface of each positioning plate.

[0008] Optionally, two groups of top blocks are provided above the base, and the side surfaces of the two groups of top blocks that are away from each other are fixedly connected to the side surfaces of the two groups of clamps that are close to each other.

[0009] Optionally, a sliding hole is opened on one side of the two first connecting plates and the two second connecting plates close to each other, and the inner wall of each sliding hole is slidably connected to a sliding rod, and the two ends of the two groups of sliding rods are respectively fixedly connected to the inner walls of the two groups of through openings.

[0010] Optionally, two guide holes are opened on the front side of the perforated support block, the inner wall of each guide hole is slidably connected to a guide rod, and the rear ends of the two guide rods are fixedly connected to the front side of the support plate.

[0011] Optionally, two limit rings are fixedly connected to the outer surface of the forward and reverse threaded rod, and the two limit rings are respectively located on the left and right sides of the threaded adjustment rod.

[0012] Optionally, two groups of support columns are provided inside the base, and the upper surface of each of the support columns is fixedly connected to the inner top wall of the base.

[0013] In summary, this application includes the following beneficial technical effects:

[0014] 1. The utility model can make the two sets of clamping plates approach or move away from each other through the cooperation of the positive and negative threaded rods and the threaded adjustment rods, and can not interfere with each other during the movement, so that the special-shaped gears can be clamped, and the support plate and the support block with holes can be positioned by using the cooperation of the U-shaped plate with holes, the limit plate and the threaded positioning rod, so that the support block with holes and the support plate can remain positioned after clamping the special-shaped gear, thereby ensuring the stability when positioning the special-shaped gear.

[0015] 2. The utility model can guide the support plate and the support block with holes during their movement by means of the cooperation of the guide rod and the guide hole, thereby avoiding the deviation of the support plate and the support block with holes. In addition, the cooperation of the slide rod and the slide hole can limit the first connecting plate and the second connecting plate to prevent them from sliding up and down during the movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure in the embodiment of the present application;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the bottom view in the embodiment of the present application;

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the front cross-section of the embodiment of the present application;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the side section view in the embodiment of the present application.

[0020] Figure numerals: 1. base; 2. clamping plate; 3. positioning plate; 4. top block; 5. through-port; 6. first connecting plate; 7. positive and negative threaded rods; 8. control block with holes; 9. support column; 10. guide hole; 11. threaded adjustment rod; 12. support block with holes; 13. limiting ring; 14. support plate; 15. U-shaped plate with holes; 16. limiting plate; 17. threaded positioning rod; 18. second connecting plate; 19. sliding hole; 20. sliding rod; 21. guide hole. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1 —4 Provide further details of this application.

[0022] The embodiment of the present application discloses a special-shaped gear processing chuck, including a base 1, and two groups of positioning plates 3 are fixedly connected to the outer surface of the base 1, and two positioning holes are provided on the upper surface of each positioning plate 3. Through the cooperation of the positioning plates 3 and the positioning holes, the device can be easily installed. Two groups of support columns 9 are provided inside the base 1, and the upper surface of each support column 9 is fixedly connected to the inner top wall of the base 1. The base 1 can be supported by the support columns 9 to increase the load performance of the base 1.

[0023] Two groups of through openings 5 ​​are provided on the upper surface of the base 1, and the inner walls of the two groups of through openings 5 ​​are respectively slidably connected with two first connecting plates 6 and two second connecting plates 18, and the upper surfaces of the two first connecting plates 6 and the upper surfaces of the two second connecting plates 18 are fixedly connected with the clamping plates 2, and two groups of top blocks 4 are provided above the base 1, and the side surfaces of the two groups of top blocks 4 that are away from each other are respectively fixedly connected with the side surfaces of the two groups of clamping plates 2 that are close to each other, and the top blocks 4 can be used to limit the special-shaped gears when clamping them to prevent the special-shaped gears from rotating.

[0024] The bottom surfaces of the two first connecting plates 6 are respectively fixedly connected with a support plate 14 and a perforated support block 12; the inner wall of the perforated support block 12 is threadedly connected with a threaded adjustment rod 11; the rear end of the threaded adjustment rod 11 is rotatably connected to the front of the support plate 14 via a bearing; the inner wall of the base 1 is rotatably connected with a positive and negative threaded rod 7 via two bearings; the outer surface of the positive and negative threaded rod 7 is threadedly connected with two perforated control blocks 8.

[0025] The upper surfaces of the two perforated control blocks 8 are fixedly connected to the bottom surfaces of the two second connecting plates 18 respectively, the inner top wall of the base 1 is fixedly connected with a U-shaped plate 15 with a hole, the inner wall of the U-shaped plate 15 with a hole is slidably connected with a limiting plate 16, the front side of the limiting plate 16 is fixedly connected to the back side of the support plate 14, and the inner wall of the U-shaped plate 15 with a hole is threadedly connected with a threaded positioning rod 17.

[0026] In order to make the support plate 14 and the perforated support block 12 more stable during movement, two guide holes 10 are opened on the front side of the perforated support block 12, and the inner wall of each guide hole 10 is slidably connected to a guide rod 21, and the rear ends of the two guide rods 21 are fixedly connected to the front side of the support plate 14. The perforated support block 12 can be limited by the guide holes 10 and the guide rods 21, so that the perforated support block 12 can remain stable.

[0027] In this embodiment, two limit rings 13 are fixedly connected to the outer surface of the positive and negative threaded rods 7. The two limit rings 13 are respectively located on the left and right sides of the threaded adjustment rod 11. The limit rings 13 can limit the hole control block 8 to prevent the hole control block 8 from driving the second connecting plate 18 to collide with the through opening 5.

[0028] In this embodiment, a sliding hole 19 is opened on the side surface where the two first connecting plates 6 and the two second connecting plates 18 are close to each other, and the inner wall of each sliding hole 19 is slidably connected with a sliding rod 20, and the two ends of the two groups of sliding rods 20 are fixedly connected to the inner walls of the two groups of through openings 5 ​​respectively.

[0029] The implementation principle of a special-shaped gear processing chuck according to an embodiment of the present application is as follows: when in use, the special-shaped gear is placed on top of the base 1, and the two control blocks 8 with holes push the second connecting plate 18 to move by rotating the forward and reverse threaded rods 7, so that the two clamping plates 2 are close to each other to clamp the special-shaped gear, and then the threaded adjustment rod 11 is rotated, the support block 12 with holes and the support plate 14 can be close to each other, so that the other two clamping plates 2 can be close to each other, and after one of the clamping plates 2 contacts the special-shaped gear, the cooperation of the U-shaped plate 15 with holes and the limit plate 16 can enable the other clamping plate 2 to continue to move until the special-shaped gear is clamped, thereby ensuring the stability when the special-shaped gear is clamped.

[0030] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A chuck for machining special-shaped gears, comprising a base (1), characterized in that: The upper surface of the base (1) is provided with two groups of through openings (5), the inner walls of the two groups of through openings (5) are slidably connected to two first connecting plates (6) and two second connecting plates (18), the upper surfaces of the two first connecting plates (6) and the upper surfaces of the two second connecting plates (18) are fixedly connected to a clamping plate (2), the bottom surfaces of the two first connecting plates (6) are fixedly connected to a support plate (14) and a support block with a hole (12), the inner wall of the support block with a hole (12) is threadedly connected to a threaded adjustment rod (11), the rear end of the threaded adjustment rod (11) is rotatably connected to the front face of the support plate (14) through a bearing. The inner wall of the base (1) is rotatably connected with a positive and negative threaded rod (7) through two bearings, the outer surface of the positive and negative threaded rod (7) is threadedly connected with two control blocks (8) with holes, the upper surfaces of the two control blocks (8) with holes are respectively fixedly connected with the bottom surfaces of two second connecting plates (18), the inner top wall of the base (1) is fixedly connected with a U-shaped plate (15) with holes, the inner wall of the U-shaped plate (15) with holes is slidably connected with a limiting plate (16), the front side of the limiting plate (16) is fixedly connected with the back side of the support plate (14), and the inner wall of the U-shaped plate (15) with holes is threadedly connected with a threaded positioning rod (17).

2. The special-shaped gear processing chuck according to claim 1, characterized in that: Two groups of positioning plates (3) are fixedly connected to the outer surface of the base (1), and the upper surface of each positioning plate (3) is provided with two positioning holes.

3. The special-shaped gear processing chuck according to claim 1, characterized in that: Two groups of top blocks (4) are arranged above the base (1), and the side surfaces of the two groups of top blocks (4) that are away from each other are fixedly connected to the side surfaces of the two groups of clamping plates (2) that are close to each other.

4. The special-shaped gear processing chuck according to claim 1, characterized in that: A sliding hole (19) is provided on a side surface of the two first connecting plates (6) and the two second connecting plates (18) close to each other, and the inner wall of each sliding hole (19) is slidably connected to a sliding rod (20), and the two ends of the two groups of sliding rods (20) are respectively fixedly connected to the inner walls of the two groups of through openings (5).

5. The special-shaped gear processing chuck according to claim 1, characterized in that: The front side of the perforated support block (12) is provided with two guide holes (10), the inner wall of each guide hole (10) is slidably connected to a guide rod (21), and the rear ends of the two guide rods (21) are fixedly connected to the front side of the support plate (14).

6. The special-shaped gear processing chuck according to claim 1, characterized in that: Two limiting rings (13) are fixedly connected to the outer surface of the positive and negative threaded rod (7), and the two limiting rings (13) are respectively located on the left and right sides of the threaded adjustment rod (11).

7. The special-shaped gear processing chuck according to claim 1, characterized in that: Two groups of support columns (9) are arranged inside the base (1), and the upper surface of each support column (9) is fixedly connected to the inner top wall of the base (1).

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