Gear key groove machining device

Abstract

The utility model discloses a gear keyway processing device, which is characterized in that a mounting seat with a U-shaped section is arranged at one end of the upper part of a workbench, a movable table is arranged on the mounting seat, a screw rod is rotationally arranged between two side plates of the mounting seat and below the movable table, and the movable table is arranged on the screw rod; one end of the screw extends to the outside of the mounting seat and is provided with a hand wheel for driving the screw to rotate; a threaded sleeve matched with the threaded rod is fixedly arranged at the bottom of the movable table, and a pneumatic chuck is arranged on the upper portion of the movable table. A supporting frame is fixedly arranged in the middle of the upper portion of the workbench, and a limiting sliding sleeve is fixedly arranged on the upper portion of the supporting frame. A driving motor is fixedly arranged at the other end of the upper portion of the workbench, a rotating disc is arranged on a driving shaft of the driving motor, and the portion, close to the outer edge, of the rotating disc is hinged to one end of a first connecting rod. The gear key groove machining device can meet the machining requirements of gear key grooves of different specifications.

Description

Technical Field

[0001] The utility model relates to the technical field of gear component processing equipment, in particular to a gear keyway processing device. Background Art

[0002] Gears are important components in mechanical transmission systems, and gear keyways are grooves on the inside of gears, which are generally used to achieve the connection between gears and transmission shafts. At present, the processing of gear keyways is mainly achieved through milling machines or broaching machines. Due to the variety of gear sizes and keyway specifications, the existing milling machines or broaching machines cannot be easily adjusted when processing gear keyways, and cannot quickly adapt to the processing requirements of gear keyways of different sizes. There are certain limitations in their application. Therefore, a gear keyway processing device is developed. Utility Model Content

[0003] The utility model aims to provide a gear keyway processing device to solve the technical problems mentioned in the above background technology.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The utility model discloses a gear keyway processing device, comprising a workbench, a mounting seat with a U-shaped cross-section is arranged at one end of the upper part of the workbench, a movable platform is arranged on the mounting seat, a screw is rotatably arranged between two side plates of the mounting seat below the movable platform, one end of the screw extends to the outside of the mounting seat and is provided with a hand wheel for driving the rotation thereof; a threaded sleeve adapted to the screw is fixedly arranged at the bottom of the movable platform, and a pneumatic chuck is arranged at the upper part of the movable platform; a support frame is fixedly arranged in the middle of the upper part of the workbench, and a limited position sliding sleeve is fixedly arranged on the upper part of the support frame; a driving motor is fixedly arranged at the other end of the upper part of the workbench, a rotating disk is arranged on the driving shaft of the driving motor, a part of the rotating disk close to the outer edge is hingedly connected to one end of a first connecting rod, the other end of the first connecting rod is hingedly connected to one end of a second connecting rod, the middle part of the second connecting rod is slidably matched with the limited position sliding sleeve, a tool rod is fixedly arranged at the other end of the second connecting rod, and a groove drawing tool is arranged on the outer wall of the tool rod.

[0006] Furthermore, two sliding rods are symmetrically fixedly arranged between the two side plates of the mounting seat, and two through holes are symmetrically provided on the moving platform and are respectively slidably matched with the two sliding rods.

[0007] Furthermore, a dial is provided on the outside of the hand wheel at one side of the mounting base close to the hand wheel, and an indicator line is provided on the hand wheel.

[0008] Furthermore, a hydraulic cylinder is fixedly provided at the end of the workbench close to one end of the mounting seat, and the telescopic end of the hydraulic cylinder is fixedly connected to a connecting plate fixedly provided at the end of the mounting seat.

[0009] Furthermore, the upper part of the workbench is symmetrically provided with two slide grooves at one end close to the mounting seat, and the bottom of the mounting seat is fixed with two sliding blocks which are respectively slidably matched with the two slide grooves.

[0010] Compared with the prior art, the beneficial technical effects of the utility model are:

[0011] The utility model can realize the clamping and fixing of gears of different sizes and specifications through the pneumatic chuck, and the turntable is rotated by the driving motor. During the rotation of the turntable, the second connecting rod drives the tool rod to make a linear reciprocating motion along the limiting sliding sleeve under the transmission operation of the first connecting rod, the second connecting rod and the limiting sliding sleeve, so that the grooving cutter on the tool rod performs grooving processing on the gear on the pneumatic chuck. In addition, the utility model rotates the screw rod through the hand wheel to realize the adjustment of the mounting seat and the pneumatic chuck in the horizontal direction of the workbench, and realizes the adjustment of the starting chuck in the longitudinal direction of the workbench through the hydraulic cylinder, so as to adjust the relative position of the inner wall of the gear on the pneumatic chuck and the grooving cutter to meet the processing requirements of gear keyways of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model will be further described below in conjunction with the accompanying drawings.

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 for Figure 1 Middle AA section view;

[0015] Figure 3 for Figure 1 Middle BB section view;

[0016] Explanation of the accompanying drawings: 1. workbench; 2. mounting base; 3. hydraulic cylinder; 4. moving table; 5. slider; 6. screw; 7. handwheel; 8. threaded sleeve; 9. pneumatic chuck; 10. slide rod; 11. dial; 12. indicator line; 13. support frame; 14. limit slide sleeve; 15. drive motor; 16. turntable; 17. first connecting rod; 18. second connecting rod; 19. tool rod; 20. grooving knife; 21. connecting plate. DETAILED DESCRIPTION

[0017] like Figure 1-Figure 2As shown, a gear keyway processing device comprises a workbench 1, and a mounting seat 2 with a U-shaped cross section is provided at one end of the upper part of the workbench 1. A horizontal hydraulic cylinder 3 is fixedly installed at the end of the workbench 1 close to the mounting seat 2, and the telescopic end of the hydraulic cylinder 3 is fixedly connected to a connecting plate 21 fixedly provided at the end of the mounting seat 2. Two slide grooves are symmetrically opened at the upper part of the workbench 1 at one end close to the mounting seat 2, and two sliders 5 are fixedly installed at the bottom of the mounting seat 2, which are respectively slidably matched with the two slide grooves.

[0018] The mounting seat 2 is provided with a moving platform 4, specifically: a screw rod 6 is rotatably mounted between the two side plates of the mounting seat 2 below the moving platform 4, one end of the screw rod 6 extends to the outside of the mounting seat 2 and is provided with a hand wheel 7 for driving its rotation, a threaded sleeve 8 adapted to the screw rod 6 is fixedly mounted at the bottom of the moving platform 4, and a pneumatic chuck 9 is fixedly mounted on the upper part of the moving platform 4. In addition, two sliding rods 10 parallel to the screw rod 6 are symmetrically fixedly mounted between the two side plates of the mounting seat 2, and two through holes symmetrically provided on the moving platform 4 for sliding cooperation with the two sliding rods 10, respectively.

[0019] In this embodiment, a dial 11 is provided on the outside of the hand wheel 7 at one side of the mounting base 2 close to the hand wheel 7 , and an indicator line 12 is provided on the hand wheel 11 .

[0020] A support frame 13 is fixedly installed in the middle of the upper part of the workbench 1, and a limit sleeve 14 is fixedly installed on the upper part of the support frame 13. A driving motor 15 is fixedly installed at the other end of the upper part of the workbench 1, and a turntable 16 is installed on the driving shaft of the driving motor 15. The part of the turntable 16 close to the outer edge is hingedly connected to one end of a first connecting rod 17, and the other end of the first connecting rod 17 is hingedly connected to one end of a second connecting rod 18. The middle part of the second connecting rod 18 is slidably matched with the limit sleeve 14, and a knife bar 19 is fixedly installed on the other end of the second connecting rod 18, and a groove drawing knife 20 is detachably installed on the outer wall of the knife bar 19.

[0021] The utility model can realize the clamping and fixing of gears of different sizes and specifications through the pneumatic chuck, and the turntable is rotated by the driving motor. During the rotation of the turntable, the second connecting rod drives the tool rod to make a linear reciprocating motion along the limiting sliding sleeve under the transmission operation of the first connecting rod, the second connecting rod and the limiting sliding sleeve, so that the grooving cutter on the tool rod performs grooving processing on the gear on the pneumatic chuck. In addition, the utility model rotates the screw rod through the hand wheel to realize the adjustment of the mounting seat and the pneumatic chuck in the horizontal direction of the workbench, and realizes the adjustment of the starting chuck in the longitudinal direction of the workbench through the hydraulic cylinder, so as to adjust the relative position of the inner wall of the gear on the pneumatic chuck and the grooving cutter to meet the processing requirements of gear keyways of different specifications.

[0022] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A gear keyway processing device, characterized in that: The present invention comprises a working table, wherein a mounting seat with a U-shaped cross-section is arranged at one end of the upper part of the working table, a movable table is arranged on the mounting seat, a screw is rotatably arranged between two side plates of the mounting seat below the movable table, one end of the screw extends to the outside of the mounting seat and is provided with a hand wheel for driving the rotation thereof; a threaded sleeve matched with the screw is fixedly arranged at the bottom of the movable table, and a pneumatic chuck is arranged at the upper part of the movable table; a support frame is fixedly arranged in the middle of the upper part of the working table, and a limiting sleeve is fixedly arranged on the upper part of the support frame; a driving motor is fixedly arranged at the other end of the upper part of the working table, a turntable is arranged on the driving shaft of the driving motor, a part of the turntable close to the outer edge is hingedly connected to one end of a first connecting rod, the other end of the first connecting rod is hingedly connected to one end of a second connecting rod, the middle part of the second connecting rod is slidably matched with the limiting sleeve, a tool rod is fixedly arranged at the other end of the second connecting rod, and a groove drawing knife is arranged on the outer wall of the tool rod.

2. The gear keyway machining device according to claim 1, characterized in that: Two sliding rods are symmetrically fixedly arranged between the two side plates of the mounting seat, and two through holes are symmetrically provided on the moving platform and are respectively slidably matched with the two sliding rods.

3. The gear keyway machining device according to claim 1, characterized in that: A dial is arranged outside the hand wheel on one side of the mounting seat close to the hand wheel, and an indicating line is arranged on the hand wheel.

4. The gear keyway machining device according to claim 1, characterized in that: A hydraulic cylinder is fixedly arranged at the end of the workbench close to one end of the mounting seat, and the telescopic end of the hydraulic cylinder is fixedly connected to a connecting plate fixedly arranged at the end of the mounting seat.

5. The gear keyway machining device according to claim 4, characterized in that: The upper part of the workbench is symmetrically provided with two slide grooves at one end close to the mounting seat, and the bottom of the mounting seat is fixedly provided with two sliding blocks which are respectively slidably matched with the two slide grooves.

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