Gear key groove angle detection device for gear production and processing

Abstract

The utility model discloses a gear keyway angle detection device for gear production and processing, including base, the top surface of base is equipped with gear, the surface of gear is equipped with keyway, the top fixed mounting of base has the support frame, the top fixed mounting of support frame has electric telescopic cylinder, the output fixed mounting of electric telescopic cylinder has the push rod. The utility model discloses through compression spring drive adjusting rod moves in the inside of adjusting groove to adjust the spacing between keyway clamping block and support frame, and then makes the device can adapt the gear of different keyway size and installs and uses, can simultaneously drive T type sliding rod and push out outward through push spring, thereby drives the positioning plate to be close in the inside of the keyway of gear surface, thereby to gear and keyway clamping block are firm, avoid the situation that the gear rotates when rotating due to the incomplete adaptation of keyway clamping block and keyway, reduces the error when detecting.

Description

Technical Field

[0001] This utility model relates to the field of gear keyway angle detection technology, specifically a gear keyway angle detection device for gear production and processing. Background Technology

[0002] Gears are the medium for mechanical transmission. Gear mechanisms are used to transmit motion and power between two shafts in space. They have the characteristics of a wide range of transmitted power, high efficiency, accurate transmission ratio, and long service life. The keyway of a gear is mainly used to connect the gear to the shaft, so that the gear is fixed to transmit torque. When machining the gear keyway, if the angular error between the center line of the gear keyway and the center line of the gear tooth groove is too large, it will not be conducive to the normal transmission of the gear. Therefore, it is necessary to detect the gear keyway angle.

[0003] Regarding the existing patent number: CN202221177615.8, patent name: A gear keyway angle detection device for gear production and processing, it adopts the method of inserting a tooth groove clamping block into different tooth grooves by rotating the detection rod, and observing the angle change according to the pointing block and the scale groove to detect the keyway angle of the gear. It achieves convenient operation and improves detection efficiency. However, in use, it is difficult to adjust the clamping component to clamp the keyway according to the size of the gear keyway, which can easily lead to gear deflection during detection, resulting in erroneous detection results.

[0004] Existing gear keyway angle detection devices are difficult to adapt to gears of different sizes, and the gears are prone to rotation during detection, leading to detection errors. Therefore, they do not meet the current requirements. In response, we propose a gear keyway angle detection device for gear manufacturing and processing. Utility Model Content

[0005] The purpose of this utility model is to provide a gear keyway angle detection device for gear manufacturing and processing, so as to solve the problems mentioned in the background art, such as the difficulty in adapting the gear keyway angle detection device to different sizes of gears, and the easy rotation of the gear during detection, which leads to detection errors.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a gear keyway angle detection device for gear manufacturing and processing, comprising a base, a gear on the top surface of the base, a keyway on the surface of the gear, a support frame fixedly mounted on the top of the base, an electric telescopic cylinder fixedly mounted on the top of the support frame, a push rod fixedly mounted on the output end of the electric telescopic cylinder, the push rod extending through the surface of the support frame to the upper position of the base, a fixing rod fixedly mounted on the bottom end of the push rod, two adjusting rods slidably mounted on the outer surface of the fixing rod near the bottom end, a keyway locking block fixedly mounted on the outer end of the adjusting rod, and the keyway locking block movably engaging into the inside of the keyway.

[0007] Preferably, each of the fixed rods has an adjustment groove near the adjustment rod, and the adjustment rod slides into the adjustment groove. A compression spring is movably installed between the adjustment rod and the adjustment groove. One end of the compression spring is connected to the adjustment rod, and the other end of the compression spring is connected to the inner wall of the adjustment groove.

[0008] Preferably, a rotating plate is movably mounted on the outer surface of the fixed rod, a telescopic outer rod is fixedly mounted on the outer surface of the rotating plate, and a telescopic inner rod is slidably mounted inside the telescopic outer rod.

[0009] Preferably, the telescopic outer rod has a telescopic groove inside, the telescopic inner rod slides into the telescopic groove, and a tension spring is movably installed between the telescopic inner rod and the inside of the telescopic groove. One end of the tension spring is connected to the telescopic inner rod, and the other end of the tension spring is connected to the inner wall of the telescopic groove.

[0010] Preferably, positioning plates are movably mounted on both the front and rear surfaces of the keyway block, and a spring groove is provided inside the keyway block. A T-shaped sliding rod is fixedly mounted on the side of the positioning plate near the keyway block. The T-shaped sliding rods are movably engaged in the spring grooves. A push spring is movably mounted between the two T-shaped sliding rods, and both ends of the push spring are connected to the T-shaped sliding rods.

[0011] Preferably, the surface of the fixed rod is provided with a scale, and the surface of the rotating plate is provided with an indicator.

[0012] Preferably, a fixing block is fixedly installed at the end of the telescopic inner rod, and a gear tooth simulation block is fixedly installed on the side of the fixing block near the gear. Both the surface of the gear tooth simulation block and the surface of the fixing block are provided with threaded holes, and threaded pins are movably installed inside the threaded holes. The gear tooth simulation block is meshed with the gear.

[0013] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model, through the cooperation of the keyway block and the positioning plate, allows the device to adjust the distance between the keyway block and the support frame by moving the adjusting rod inside the adjusting groove through the compression spring during use. This enables the device to be adapted to gears with different keyway sizes for installation and use. At the same time, by pushing the spring to drive the T-shaped sliding rod outward, the positioning plate is brought into close contact with the inside of the keyway on the surface of the gear, thereby stabilizing the gear and the keyway block and preventing the gear from rotating due to the incomplete fit between the keyway block and the keyway, thus reducing the error during testing. 2. This utility model, through the cooperation of a fixed block and a threaded pin, allows the device to select a gear tooth simulation block that meshes with the shape of the gear teeth on the gear surface and install it on the surface of the fixed block. The threaded pin is then used to secure it to the fixed block, thus facilitating the device to detect the keyway angle of different types of gears. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a cross-sectional front view of the entire utility model; Figure 3 This is a top cross-sectional view of the entire utility model; Figure 4 This utility model Figure 2 A partial cross-sectional side view of section A.

[0015] In the diagram: 1. Base; 2. Support frame; 3. Electric telescopic cylinder; 4. Push rod; 5. Fixed rod; 6. Rotating plate; 7. Gear; 8. Telescopic outer rod; 9. Telescopic inner rod; 10. Adjustment groove; 11. Keyway block; 12. Adjustment rod; 13. Compression spring; 14. Fixed block; 15. Threaded pin; 16. Telescopic groove; 17. Tension spring; 18. Scale; 19. Indicator; 20. Spring groove; 21. Positioning plate; 22. T-shaped sliding rod; 23. Push spring. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0017] Please see Figures 1 to 4 This utility model provides an embodiment of a gear keyway angle detection device for gear manufacturing and processing, comprising a base 1, a gear 7 on the top surface of the base 1, a keyway on the surface of the gear 7, a support frame 2 fixedly installed on the top of the base 1, an electric telescopic cylinder 3 fixedly installed on the top of the support frame 2, a push rod 4 fixedly installed at the output end of the electric telescopic cylinder 3, the push rod 4 extending through the surface of the support frame 2 to the upper position of the base 1, a fixing rod 5 fixedly installed at the bottom end of the push rod 4, two adjusting rods 12 slidably installed on the outer surface of the fixing rod 5 near the bottom end, and a keyway locking block 11 fixedly installed at the outer end of the adjusting rod 12, the keyway locking block 11 being movably locked into the inside of the keyway.

[0018] Each fixed rod 5 has an adjustment groove 10 near the adjustment rod 12. The adjustment rod 12 slides into the adjustment groove 10. A compression spring 13 is movably installed between the adjustment rod 12 and the adjustment groove 10. One end of the compression spring 13 is connected to the adjustment rod 12, and the other end of the compression spring 13 is connected to the inner wall of the adjustment groove 10.

[0019] A rotating plate 6 is movably mounted on the outer surface of the fixed rod 5, a telescopic outer rod 8 is fixedly mounted on the outer surface of the rotating plate 6, and a telescopic inner rod 9 is slidably mounted inside the telescopic outer rod 8.

[0020] The telescopic outer rod 8 has a telescopic groove 16 inside. The telescopic inner rod 9 slides into the telescopic groove 16. A tension spring 17 is movably installed between the telescopic inner rod 9 and the inside of the telescopic groove 16. One end of the tension spring 17 is connected to the telescopic inner rod 9, and the other end of the tension spring 17 is connected to the inner wall of the telescopic groove 16.

[0021] Positioning plates 21 are movably mounted on both the front and rear surfaces of the keyway block 11. A spring groove 20 is provided inside the keyway block 11. A T-shaped sliding rod 22 is fixedly mounted on the side of the positioning plate 21 near the keyway block 11. The T-shaped sliding rod 22 is movably inserted into the inside of the spring groove 20. A push spring 23 is movably mounted between the two T-shaped sliding rods 22. Both ends of the push spring 23 are connected to the T-shaped sliding rod 22.

[0022] By cooperating with the keyway block 11 and the positioning plate 21, the device can be used to adjust the distance between the keyway block 11 and the support frame 2 by driving the adjusting rod 12 to move inside the adjusting groove 10 through the compression spring 13. This allows the device to be adapted to gears 7 with different keyway sizes for installation and use. At the same time, the T-shaped sliding rod 22 can be pushed outward by pushing the spring 23, thereby causing the positioning plate 21 to be tightly attached to the inside of the keyway on the surface of the gear 7. This stabilizes the gear 7 and the keyway block 11, preventing the gear 7 from rotating due to incomplete adaptation between the keyway block 11 and the keyway, thus reducing errors during testing.

[0023] The surface of the fixed rod 5 is provided with a scale 18, and the surface of the rotating plate 6 is provided with an indicator 19.

[0024] A fixing block 14 is fixedly installed at the end of the telescopic inner rod 9. A gear tooth simulation block is fixedly installed on the side of the fixing block 14 near the gear 7. Both the surface of the gear tooth simulation block and the surface of the fixing block 14 are provided with threaded holes. Threaded pins 15 are movably installed inside the threaded holes. The gear tooth simulation block is meshed with the gear 7.

[0025] By using the cooperation of the fixing block 14 and the threaded pin 15, when the device is in use, a gear tooth simulation block that meshes with the shape of the gear teeth on the surface of the gear 7 can be selected and installed on the surface of the fixing block 14, and then secured to the fixing block 14 by the threaded pin 15, thereby facilitating the device to detect the keyway angle of different types of gears.

[0026] When using the gear keyway angle detection device for gear production and processing, the gear 7 can be placed on the surface of the base 1, and the push rod 4 can be raised and lowered by the electric telescopic cylinder 3. This causes the push rod 4 to drive the fixed rod 5 to be engaged inside the gear 7, and the keyway block 11 to be engaged inside the keyway on the surface of the gear 7. At this time, the telescopic inner rod 9 can be pulled outward to move inside the telescopic groove 16. This causes the telescopic inner rod 9 to be pulled by the tension spring 17, which in turn causes the telescopic inner rod 9 to drive the fixed block 14 to press inward to the tooth groove position on the surface of the gear 7. This allows the position of the fixed block 14 to be adjusted to match the size of the gear 7. Subsequently, based on the shape of the teeth on the surface of gear 7, a simulated tooth block that meshes with it is selected and installed on the surface of the fixed block 14, and it is secured to the fixed block 14 by the threaded pin 15, thereby facilitating the device to detect the keyway angle of different types of gears. During testing, the adjustment rod 12 is driven by the compression spring 13 to move inside the adjustment groove 10, thereby adjusting the distance between the keyway block 11 and the support frame 2. This allows the device to be adapted to gears 7 with different keyway sizes for installation and use. At the same time, the T-shaped sliding rod 22 can be pushed outward by pushing the spring 23, thereby causing the positioning plate 21 to be tightly attached to the inside of the keyway on the surface of the gear 7. This stabilizes the gear 7 and the keyway block 11, preventing the gear 7 from rotating due to the incomplete fit between the keyway block 11 and the keyway, thus reducing errors during testing. During testing, the telescopic inner rod 9 can be pulled outwards. At this time, the rotating plate 6 can be rotated on the surface of the fixed rod 5, so that the fixed block 14 can be rotated into another tooth groove. The rotation angle of the fixed block 14 can be calculated according to the scale 18 and the indicator 19, and then the angle between the keyway and the center line of the tooth groove can be calculated.

[0027] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A gear keyway angle detection device for gear manufacturing and processing, comprising a base (1), wherein a gear (7) is provided on the top surface of the base (1), and a keyway is provided on the surface of the gear (7), characterized in that: A support frame (2) is fixedly installed at the top of the base (1). An electric telescopic cylinder (3) is fixedly installed at the top of the support frame (2). A push rod (4) is fixedly installed at the output end of the electric telescopic cylinder (3). The push rod (4) extends through the surface of the support frame (2) to the position above the base (1). A fixing rod (5) is fixedly installed at the bottom end of the push rod (4). Two adjusting rods (12) are slidably installed on the outer surface of the fixing rod (5) near the bottom end. A keyway block (11) is fixedly installed at the outer end of the adjusting rod (12). The keyway block (11) is movably inserted into the inside of the keyway.

2. The gear keyway angle detection device for gear manufacturing and processing according to claim 1, characterized in that: Each of the fixed rods (5) has an adjustment groove (10) near the adjustment rod (12). The adjustment rod (12) slides into the interior of the adjustment groove (10). A compression spring (13) is movably installed between the adjustment rod (12) and the interior of the adjustment groove (10). One end of the compression spring (13) is connected to the adjustment rod (12), and the other end of the compression spring (13) is connected to the inner wall of the adjustment groove (10).

3. The gear keyway angle detection device for gear manufacturing and processing according to claim 1, characterized in that: A rotating plate (6) is movably mounted on the outer surface of the fixed rod (5), and a telescopic outer rod (8) is fixedly mounted on the outer surface of the rotating plate (6). A telescopic inner rod (9) is slidably mounted inside the telescopic outer rod (8).

4. The gear keyway angle detection device for gear manufacturing and processing according to claim 3, characterized in that: The telescopic outer rod (8) has a telescopic groove (16) inside. The telescopic inner rod (9) slides into the inside of the telescopic groove (16). A tension spring (17) is movably installed between the telescopic inner rod (9) and the inside of the telescopic groove (16). One end of the tension spring (17) is connected to the telescopic inner rod (9), and the other end of the tension spring (17) is connected to the inner wall of the telescopic groove (16).

5. The gear keyway angle detection device for gear manufacturing and processing according to claim 1, characterized in that: Positioning plates (21) are movably installed on both the front and rear surfaces of the keyway block (11). A spring groove (20) is provided inside the keyway block (11). A T-shaped sliding rod (22) is fixedly installed on the side of the positioning plate (21) near the keyway block (11). The T-shaped sliding rod (22) is movably inserted into the inside of the spring groove (20). A push spring (23) is movably installed between the two T-shaped sliding rods (22). Both ends of the push spring (23) are connected to the T-shaped sliding rod (22).

6. The gear keyway angle detection device for gear manufacturing and processing according to claim 3, characterized in that: The surface of the fixed rod (5) is provided with a scale (18), and the surface of the rotating plate (6) is provided with an indicator (19).

7. The gear keyway angle detection device for gear manufacturing and processing according to claim 3, characterized in that: A fixing block (14) is fixedly installed at the end of the telescopic inner rod (9). A gear tooth simulation block is fixedly installed on the side of the fixing block (14) near the gear (7). Threaded holes are provided on the surface of the gear tooth simulation block and the surface of the fixing block (14). Threaded pins (15) are movably installed inside the threaded holes. The gear tooth simulation block meshes with the gear (7).

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