Detection device for base circle and end face runout of cam gear

Abstract

The utility model discloses a detection device for base circle and end face runout of a cam gear. The detection device comprises a workbench, a clamping rotation assembly arranged on the workbench and used for clamping the cam gear and driving the cam gear to rotate, a base circle detection assembly and an end face run-out detection assembly which are slidably arranged on the workbench, and a controller arranged on the workbench. The base circle of the cam gear can be detected through the base circle detection assembly; through the end face run-out detection assembly, the end face of the cam gear can be detected, the detection efficiency of the base circle and the end face of the cam gear is improved, accurate detection of the base circle and the end face of the cam gear is achieved, and the adverse effect of human factors on detection is reduced; by means of the controller, electric control over the clamping rotating assembly, the base circle detection assembly and the end face run-out detection assembly can be achieved, and operation is easy and convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of machining, and particularly relates to a detection device for the base circle and end face runout of a cam gear. Background Art

[0002] In the machining industry, after the cam gear is machined, the machining accuracy of the base circle and end face needs to be accurately measured, that is, the base circle and end face runout of the cam gear are measured. The so-called base circle runout of the cam gear mainly reflects the tangential error of the gear to find out whether there is an up-and-down runout situation during the operation of the gear; the so-called end face runout of the cam gear refers to measuring the flatness error of the side face of the cam gear (the plane perpendicular to the axis) to find out whether there is a left-and-right swing situation during the operation of the gear. However, at present, the detection of the base circle and end face runout of the cam gear still relies on manual work, resulting in low detection efficiency and unstable detection accuracy. Summary of the Utility Model

[0003] In view of this, the purpose of the present utility model is to provide a detection device for the base circle and end face runout of a cam gear to solve the technical problems of low detection efficiency and unstable detection accuracy of the base circle and end face runout of the cam gear.

[0004] To achieve the above purpose, the present utility model provides the following technical solution: A detection device for the base circle and end face runout of a cam gear, comprising:

[0005] A workbench;

[0006] A clamping and rotating assembly, arranged on the workbench, for clamping the cam gear and driving the cam gear to rotate;

[0007] A base circle detection assembly, slidably arranged on the workbench, for detecting the base circle of the cam gear;

[0008] An end face runout detection assembly, arranged on the workbench, for detecting the end face of the cam gear, and;

[0009] A controller, arranged on the workbench, for being electrically connected to the clamping and rotating assembly, the base circle detection assembly, and the end face runout detection assembly.

[0010] Further, the clamping and rotating assembly includes a rotating motor arranged on the workbench, a driving gear installed at the movable end of the rotating motor, a bearing seat installed on the workbench, a bushing arranged in the bearing seat, a driven gear installed on the bushing for driving the bushing to rotate, a conveyor belt for meshing the driving gear with the driven gear, and a clamping mechanism arranged on the bushing for clamping the cam gear.

[0011] Further, the clamping mechanism includes a pull rod built into the bushing, a mandrel disposed on the bushing and fixedly connected to the pull rod, a expansion sleeve sleeved on the mandrel and used for supporting the cam gear, a compression spring installed on the bushing for elastically pushing the pull rod to move so that the mandrel pushes the expansion sleeve to tighten the cam gear, and a telescopic cylinder installed on the workbench for driving the pull rod to move so that the mandrel loosens the cam gear.

[0012] Further, a first retaining ring abutting against the compression spring is installed on the pull rod. A pin shaft for abutting against the first retaining ring is provided on the pull rod in the radial direction thereof. A slideway opening for the pin shaft to pass through is formed in the pull rod in the axial direction thereof.

[0013] Further, the cross section of the slideway opening is arranged in an arc shape.

[0014] Further, a second retaining ring for abutting against the compression spring is further provided on one side of the pull rod close to the telescopic cylinder.

[0015] Further, a telescopic frame is further provided on the telescopic cylinder, and one end of the pull rod is connected to the telescopic frame.

[0016] Further, the base circle detection assembly includes a driving cylinder disposed on the workbench and a base circle sensor disposed at the movable end of the driving cylinder.

[0017] Further, a mounting seat is further provided on the workbench. A slide rail is provided on the mounting seat. A connecting plate is provided at the movable end of the driving cylinder. The connecting plate is installed on the slide rail, and the base circle sensor is disposed on the connecting plate.

[0018] Further, the end face runout detection assembly includes a support frame disposed on the workbench and an end face sensor installed on the support frame and used for detecting the end face of the cam gear.

[0019] The beneficial effects of the present utility model are as follows: Compared with the prior art, in a detection device for the base circle and end face runout of a cam gear in the present utility model, by providing a clamping and rotating assembly on the workbench, the cam gear can be clamped and driven to rotate; the base circle of the cam gear can be detected by the base circle detection assembly; the end face of the cam gear can be detected by the end face runout detection assembly, improving the detection efficiency of the base circle and end face of the cam gear, achieving precise detection of the base circle and end face of the cam gear, and reducing the adverse influence of human factors on detection; through the controller, electric control of the clamping and rotating assembly, the base circle detection assembly, and the end face runout detection assembly can be realized, making the operation simple and convenient.

[0020] Other advantages, objectives, and features of the present utility model will be described in the subsequent description, and to some extent, will be obvious to those skilled in the art, or those skilled in the art can obtain teachings from the practice of the present utility model. The objectives and other advantages of the present utility model can be achieved and obtained through the following description. Brief Description of the Drawings

[0021] To make the objectives, technical solutions, and beneficial effects of the present utility model clearer, the following drawings are provided for the description of the present utility model:

[0022] Figure 1 Structural schematic diagram of a detection device for the base circle and end face runout of a cam gear proposed in an embodiment of the present utility model;

[0023] Figure 2 Proposed in an embodiment of the present utility model Figure 1 Middle sectional view;

[0024] Figure 3 Sectional view of the clamping and rotating assembly, the first retaining ring, the second retaining ring, and the telescopic frame proposed in an embodiment of the present utility model.

[0025] Reference numerals in the drawings:

[0026] 1 - Workbench;

[0027] 2 - Clamping and rotating assembly; 21 - Rotating motor; 22 - Driving gear; 23 - Bearing seat; 24 - Bush; 25 - Driven gear; 26 - Conveyor belt; 27 - Clamping mechanism; 271 - Pull rod; 272 - Core shaft; 273 - Expansion sleeve; 274 - Compression spring; 275 - Telescopic cylinder; 276 - Slideway opening;

[0028] 3 - First retaining ring; 31 - Pin shaft;

[0029] 4 - Second retaining ring;

[0030] 5 - Telescopic frame;

[0031] 6 - Base circle detection assembly; 61 - Driving cylinder; 62 - Base circle sensor; 63 - Mounting seat; 64 - Slide rail; 65 - Connecting plate;

[0032] 7 - End face runout detection assembly; 71 - Support frame; 72 - End face sensor;

[0033] 8 - Cam gear. Detailed Description of the Preferred Embodiment

[0034] As Figures 1 to 3As shown in the figure, this embodiment proposes a detection device for the base circle and end face runout of a cam gear, including a workbench 1, on which a clamping and rotating assembly 2, a base circle detection assembly 6, an end face runout detection assembly 7, and a controller (not shown in the drawing) are provided. The clamping and rotating assembly 2 can be used to clamp the cam gear 8 and drive the cam gear 8 to rotate; the base circle detection assembly 6 can be used to detect the base circle of the cam gear 8; the end face runout detection assembly 7 can be used to detect the end face of the cam gear 8; the controller is electrically connected to the clamping and rotating assembly 2, the base circle detection assembly 7, and the end face runout detection assembly 8. In this way, the controller can control the clamping and rotating assembly 2, the base circle detection assembly 6, and the end face runout detection assembly 7 to work respectively. In this way, the base circle of the cam gear 8 can be detected by the base circle detection assembly 6; through the end face runout detection assembly 7, the end face of the cam gear 8 can be detected, which improves the detection efficiency of the base circle and end face of the cam gear 8, realizes the precise detection of the base circle and end face of the cam gear 8, and reduces the adverse effects of human factors on the detection; through the controller, the electric control of the clamping and rotating assembly 2, the base circle detection assembly 6, and the end face runout detection assembly 7 can be realized, making the operation simple and convenient.

[0035] In this application, the detection principle of the base circle and end face runout of the cam gear 8 is as follows:

[0036] First, the controller controls the clamping and rotating assembly 2, and the clamping and rotating assembly 2 clamps the cam gear 8. Subsequently, the controller controls the base circle detection assembly 6 to slide, so that the base circle detection assembly 6 slides to contact the base circle of the cam gear 8. At the same time, the position of the cam gear 8 is adjusted so that the end face of the cam gear 8 contacts the end face runout detection assembly 7. Subsequently, the controller controls the clamping and rotating assembly 2 to drive the cam gear 8 to rotate, realizing the detection of the end face and base circle of the cam gear 8.

[0037] Furthermore, please refer to Figure 3 As shown in the figure, the clamping and rotating assembly 2 includes a rotating motor 21, which is arranged on the workbench 1. A driving gear 22 is provided at the movable end of the rotating motor 21. In addition, a bearing seat 23 is provided on the workbench 1, and a bushing 24 is provided in the bearing seat 23. A driven gear 25 is installed on the bushing 24, and the driven gear 25 can drive the bushing 24 to rotate. In addition, a conveyor belt 26 is sleeved on the driving gear 22 and the driven gear 25. A clamping mechanism 27 is also provided on the bushing 24, and the clamping mechanism 27 can be used to clamp and fix the cam gear 8.

[0038] In this application, the clamping mechanism 27 can be used to clamp and fix the cam gear 8. Subsequently, the driving motor 21 is rotated to drive the driving gear 22 to rotate. The driving gear 22 drives the driven gear 25 to rotate, and the driven gear 25 drives the sleeve 24 to rotate. The sleeve 24 then drives the clamping mechanism 27 to rotate, and the clamping mechanism 27 then drives the cam gear 8 to rotate, thereby realizing the clamping and rotation of the cam gear 8.

[0039] Further, please refer to Figure 3 As shown, the clamping mechanism 27 includes a pull rod 271. The pull rod 271 is disposed inside the sleeve 24. A mandrel 272 is provided on the sleeve 24. The mandrel 272 is fixedly connected to the pull rod 271. A expansion sleeve 273 for supporting the cam gear 8 is sleeved on the mandrel 272. In addition, a compression spring 274 is mounted on the sleeve 24. The compression spring 274 can be used to elastically push the pull rod 271 to move. The pull rod 271 can drive the mandrel 272 to move, and the mandrel 272 can push and squeeze the expansion sleeve 273 to tighten the cam gear 8. In addition, a telescopic cylinder 275 is also mounted on the workbench 1. The telescopic cylinder 275 can be used to drive the pull rod 271 to move so that the mandrel 272 releases the cam gear 8.

[0040] In this application, the expansion sleeve 273 is a liquid-plastic expansion sleeve, that is, the liquid-plastic expansion sleeve includes a sleeve and a plastic medium between the sleeve and the mandrel 272. Thus, when it is necessary to clamp the cam gear 8, at this time, the compression spring 274 is used to push the pull rod 271 to move towards the cam gear 8. The pull rod 271 then drives the mandrel 272 to move, and the mandrel 272 then squeezes the plastic medium, thereby tightening the sleeve and realizing the clamping of the cam gear 8. When it is necessary to release the cam gear 8, at this time, the telescopic cylinder 275 is used to drive the pull rod 271 to move away from the cam gear 8. The pull rod 271 drives the mandrel 272 to move accordingly, so that the cam gear 8 can be released.

[0041] Further, please refer to Figure 3 As shown, a first retaining ring 3 is mounted on the pull rod 271. The first retaining ring 3 abuts against the compression spring 274. A pin shaft 31 is provided on the pull rod 271 along its radial direction. The pin shaft 31 abuts against the first retaining ring 3. In addition, a sliding port 276 is formed in the pull rod 271 along its axial direction. The sliding port 276 allows the pin shaft 31 to pass through, and the pin shaft 31 can slide up and down along the sliding port 276.

[0042] In this application, the telescopic cylinder 275 drives the pull rod 271 to move downward. During the downward movement of the pull rod 271, the compression spring 274 is compressed, and the core shaft 272 is driven to descend, realizing the release of the cam gear 8. When it is necessary to tighten the cam gear 8, at this time, the telescopic cylinder 275 stops driving the pull rod 271 to move downward. At this time, the pull rod 271 and the telescopic cylinder 272 are in a free state. At this time, under the action of the compression spring 274, the compression spring 274 pushes the pin shaft 31 to slide upward along the slideway opening 276. The pin shaft 31 drives the pull rod 271 to move upward, and the pin shaft 31 further drives the core shaft 272 to squeeze the plastic medium, and the tightening sleeve 273 is tightened to clamp and fix the cam gear 8.

[0043] Preferably, the cross-section of the slideway opening 276 is arranged in an arc shape. Of course, the slideway opening 276 can also be set to a strip shape, etc., and there is no unique limitation here.

[0044] Further, please refer to Figure 3 As shown, a second retaining ring 4 is further provided on one side of the pull rod 271 close to the telescopic cylinder 275. The second retaining ring 4 can be used to abut against the compression spring 274. In this application, by abutting against the first retaining ring 3 and the second retaining ring 4 at both ends of the compression spring 274 respectively, the compression spring 274 can be fixed.

[0045] Preferably, please refer to Figure 1 As shown, a telescopic frame 5 is further provided on the telescopic cylinder 275. One end of the pull rod 271 is connected to the telescopic frame 5. In this way, by driving the telescopic frame 5 to lift and lower through the telescopic cylinder 275, the telescopic frame 5 further drives the pull rod 271 to lift and lower. Specifically, a through hole is formed on the telescopic frame 5, and the pull rod 271 can pass through the through hole and one end of the pull rod 271 is positioned on the telescopic frame 5 through a positioning member. The positioning member can prevent the pull rod 271 from disengaging from the telescopic frame 5.

[0046] Further, please refer to Figure 1 As shown, the base circle detection assembly 6 includes a driving cylinder 61 and a base circle sensor 62. The driving cylinder 61 is arranged on the workbench 1, and the base circle sensor 62 is arranged at the movable end of the driving cylinder 61. In this way, by driving the base circle sensor 62 to move through the driving cylinder 61, the base circle sensor 62 is aligned with the base circle of the cam gear 8 to make contact. When the cam gear 8 is rotating, the base circle sensor 62 can detect the base circle runout of the cam gear 8, which is directly obtained by calculating the change amount of the base circle sensor 62.

[0047] Further, please refer to Figure 1As shown, an installation base 63 is further provided on the workbench 1. A slide rail 64 is provided on the installation base 63. A connecting plate 65 is provided at the movable end of the driving cylinder 61. The connecting plate 65 is installed on the slide rail 64. The base circle sensor 62 is disposed on the connecting plate 65. In this way, the driving cylinder 61 drives the connecting plate 65 to move along the slide rail 64, and the connecting plate 65 further drives the base circle sensor 62 to move.

[0048] Further, please refer to Figure 1 As shown, the end face runout detection assembly 7 includes a support frame 71. The support frame 71 is disposed on the workbench 1. An end face sensor 72 is installed on the support frame 71. The end face sensor 72 can be used to detect the end face runout condition of the cam gear 8, which can be directly obtained by calculating the change amount of the end face sensor 72, being simple and efficient.

[0049] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention rather than to limit. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present invention.

Claims

1. A detection device for the base circle and end face runout of a cam gear, characterized in that, Comprising: Workbench; Clamping and rotating assembly, arranged on the workbench, for clamping the cam gear and driving the cam gear to rotate; Base circle detection assembly, slidably arranged on the workbench, for detecting the base circle of the cam gear; End face runout detection assembly, arranged on the workbench, for detecting the end face of the cam gear, and; Controller, arranged on the workbench, for being electrically connected to the clamping and rotating assembly, the base circle detection assembly, and the end face runout detection assembly.

2. The detection device for the base circle and end face runout of a cam gear according to claim 1, wherein, The clamping and rotating assembly includes a rotating motor arranged on the workbench, a driving gear installed at the movable end of the rotating motor, a bearing seat installed on the workbench, a bushing arranged in the bearing seat, a driven gear installed on the bushing for driving the bushing to rotate, a conveyor belt for meshing the driving gear with the driven gear, and a clamping mechanism arranged on the bushing for clamping the cam gear.

3. The detecting device for the base circle and end face runout of a cam gear according to claim 2, characterized in that, The clamping mechanism includes a pull rod built in the bushing, a mandrel arranged on the bushing and fixedly connected to the pull rod, a expandable sleeve sleeved on the mandrel and used for supporting the cam gear, a compression spring installed on the bushing for elastically pushing the pull rod to move so that the mandrel squeezes the expandable sleeve to tighten the cam gear, and a telescopic cylinder installed on the workbench for driving the pull rod to move so that the mandrel loosens the cam gear.

4. The detecting device for the base circle and end face runout of a cam gear according to claim 3, characterized in that, A first retaining ring in contact with the compression spring is installed on the pull rod, a pin shaft for abutting against the first retaining ring is arranged on the pull rod along its radial direction, and a sliding port for the pin shaft to pass through is opened on the pull rod along its axial direction.

5. The detecting device for the base circle and end face runout of a cam gear according to claim 4, wherein, The cross section of the sliding port is arranged in an arc shape.

6. The detection device for the base circle and end face runout of a cam gear according to claim 4, characterized in that, A second retaining ring for abutting against the compression spring is further arranged on the side of the pull rod close to the telescopic cylinder.

7. The detecting device for the base circle and end face runout of a cam gear according to claim 3, characterized in that, A telescopic frame is further arranged on the telescopic cylinder, and one end of the pull rod is connected to the telescopic frame.

8. The detection device for the base circle and end face runout of a cam gear according to claim 1, wherein The base circle detection assembly includes a driving cylinder arranged on the workbench, and a base circle sensor arranged at the movable end of the driving cylinder.

9. The detection device for the base circle and end face runout of a cam gear according to claim 8, characterized in that, An installation seat is further arranged on the workbench, a slide rail is arranged on the installation seat, a connecting plate is arranged at the movable end of the driving cylinder, the connecting plate is installed on the slide rail, and the base circle sensor is arranged on the connecting plate.

10. The detection device for the base circle and end face runout of a cam gear according to claim 1, characterized in that, The end face runout detection assembly includes a support frame arranged on the workbench, and an end face sensor installed on the support frame and used for detecting the cam gear.

Images