Synchronous belt pulley belt groove runout detection device

Abstract

A belt pulley fixing device is arranged on one side of a workbench, a detection device is connected to the other side of the workbench in a left-right moving mode, and the detection device comprises an inverted-L-shaped support and detection mechanisms fixed to the top and the middle of the support respectively. The detection mechanism comprises a sleeve, a telescopic rod telescopically connected to the lower end of the sleeve, a ball arranged at the bottom end of the telescopic rod, an ejector rod fixed to the top end of the telescopic rod, a plug for sealing the top of the sleeve, a spring arranged on the telescopic rod in a sleeving mode and located between the plug and the bottom of the sleeve, a cover body and a pressure sensor arranged in the cover body, and the cover body is fixed to the top of the sleeve; a hole corresponding to the ejector rod is formed in the plug, the ejector rod penetrates out of the plug and abuts against the pressure sensor, the balls of the two detection mechanisms abut against the wheel groove of the detected belt wheel and the edge of the belt wheel respectively, and the belt wheel detection device is simple in structure and low in manufacturing cost, can still keep certain detection precision and has the advantage of being convenient to operate.

Description

Technical Field

[0001] The utility model relates to a synchronous pulley belt groove runout detection device. Background Art

[0002] In the prior art, the detection device for detecting the runout of the belt groove of a synchronous pulley has a relatively complex mechanism and a high manufacturing cost. For example, a belt pulley runout automatic detection device disclosed in a patent with the publication number CN103776403A has a high detection accuracy. However, in fact, many synchronous pulleys do not require such high-precision detection, and such synchronous pulleys with lower detection accuracy requirements often have a large production volume. If the detection devices with the above structures are all used, it will obviously greatly increase the equipment purchase cost of manufacturers. Content of the Utility Model

[0003] The purpose of the utility model is to overcome the above deficiencies of the prior art and provide a synchronous pulley belt groove runout detection device with a simple structure and low manufacturing cost.

[0004] The technical solution of the utility model is: a synchronous pulley belt groove runout detection device, including a workbench, a pulley fixing device is arranged on one side of the workbench, and a detection device is connected to move left and right on the other side of the workbench;

[0005] The detection device includes an inverted "L"-shaped bracket and a detection mechanism respectively fixed at the top and the middle of the bracket. The detection mechanism includes a sleeve, a telescopic rod telescopically connected to the lower end of the sleeve, a ball arranged at the bottom end of the telescopic rod, a top rod fixed at the top end of the telescopic rod, a plug closing the top of the sleeve, a spring sleeved on the telescopic rod and located between the plug and the bottom of the sleeve, a cover body and a pressure sensor arranged in the cover body. The cover body is fixed at the top of the sleeve. The plug has a hole corresponding to the top rod. The top rod passes through the plug and abuts against the pressure sensor. The balls of the two detection mechanisms respectively abut against the pulley groove and the edge of the pulley to be detected.

[0006] Furthermore, a first driving mechanism for driving the detection mechanism to displace is further arranged on the bracket.

[0007] Furthermore, the first driving mechanism is a lead screw mechanism. The lead screw of the lead screw mechanism is rotatably connected to the cover body. A guide cover corresponding to the cover body is further arranged on the bracket. A guide rail is arranged in the guide cover, and a guide block corresponding to the guide rail is arranged on the outside of the guide cover.

[0008] Specifically, the lower end of the telescopic rod is in a frustum shape.

[0009] Further, the pulley fixing device includes a mounting shaft, a limiting ring provided at the lower end of the mounting shaft, and a locking flange. The pulley is sleeved on the mounting shaft and its bottom abuts against the limiting ring, and the locking flange is provided on the top of the pulley to lock the pulley.

[0010] Further, a second driving mechanism corresponding to the mounting shaft is further provided in the workbench. The mounting shaft is rotatably connected to the top of the workbench, and the output shaft of the second driving mechanism is connected to the mounting shaft.

[0011] Further, the second driving mechanism is a motor.

[0012] Further, a sliding groove corresponding to the bracket is provided on the workbench. The bottom of the bracket has a slider corresponding to the sliding groove. The slider is slidably connected in the sliding groove. An electric cylinder is further provided on the side of the workbench, and the telescopic rod of the electric cylinder is connected to the slider.

[0013] Further, the workbench is composed of a first workbench and a second workbench. The pulley fixing device and the detection device are respectively arranged on the first workbench and the second workbench.

[0014] Further, the first workbench and the second workbench are arranged to abut against each other, and an elastic pad is provided between the first workbench and the second workbench.

[0015] The beneficial effects of the present utility model are as follows: The present utility model has a simple structure, low manufacturing cost, and can still maintain a certain detection accuracy. It also has the advantage of being easy to operate, and can effectively reduce the equipment purchase cost of manufacturers. Description of the Drawings

[0016] Figure 1 is a schematic structural diagram of the present utility model;

[0017] Figure 2 is a cross-sectional view of the detection mechanism in the present utility model;

[0018] Figure 3 is a schematic structural diagram of the detection mechanism in the present utility model.

[0019] In the figure: workbench 1, bracket 2, detection mechanism 3, sleeve 4, telescopic rod 5, ball 6, ejector rod 7, plug 8, spring 9, cover body 10, pressure sensor 11, pulley 12, first driving mechanism 13, guiding cover 14, guiding block 15, mounting shaft 16, limiting ring 17, locking flange 18, second driving mechanism 19, electric cylinder 20, elastic pad 21. Detailed Embodiment

[0020] Next, through embodiments and in combination with the drawings, the technical solutions of the present utility model will be further specifically described.

[0021] Combined Figures 1-3 As shown, a synchronous pulley belt groove runout detection device includes a workbench 1. A pulley fixing device is provided on one side of the workbench 1, and a detection device is connected to move left and right on the other side of the workbench 1;

[0022] The detection device includes an inverted "L"-shaped bracket 2 and detection mechanisms 3 respectively fixed at the top and middle of the bracket 2. The detection mechanism 3 includes a sleeve 4, a telescopic rod 5 telescopically connected to the lower end of the sleeve 4, a ball 6 arranged at the bottom end of the telescopic rod 5, a top rod 7 fixed at the top end of the telescopic rod 5, a plug 8 closing the top of the sleeve 4, a spring 9 sleeved on the telescopic rod 5 and located between the plug 8 and the bottom of the sleeve 4, a cover body 10, and a pressure sensor 11 arranged in the cover body 10. The cover body 10 is fixed at the top of the sleeve 4. The plug 8 has a hole corresponding to the top rod 7. The top rod 7 passes through the plug 8 and abuts against the pressure sensor 11. The balls 6 of the two detection mechanisms 3 respectively abut against the groove of the pulley to be detected 12 and the edge of the pulley 12, and perform runout detection on the axial and radial directions of the pulley groove.

[0023] In another embodiment, a first driving mechanism 13 for driving the detection mechanism 3 to displace is further provided on the bracket 2.

[0024] In another embodiment, combined Figures 1-3 As shown, the first driving mechanism 13 is a lead screw mechanism. The lead screw of the lead screw mechanism is rotatably connected to the cover body 10. A guide cover 14 corresponding to the cover body 10 is further provided on the bracket 2. A guide rail is provided in the guide cover 14, and a guide block 15 corresponding to the guide rail is provided on the outside of the guide cover 14. The lead screw mechanism can drive the detection mechanism 3 to displace along the guide cover 14, so that the entire detection device can adapt to the detection of more specifications of pulleys 12.

[0025] In another embodiment, combined Figure 2 and Figure 3 As shown, the lower end of the telescopic rod 5 is in a frustum shape.

[0026] In another embodiment, as Figure 1 shown, the pulley fixing device includes a mounting shaft 16, a limit ring 17 arranged at the lower end of the mounting shaft 16, and a locking flange 18. The pulley 12 is sleeved on the mounting shaft 16 and its bottom abuts against the limit ring 17. The locking flange 18 is arranged at the top of the pulley 12 and locks the pulley 12.

[0027] In another embodiment, as Figure 1 shown, a second driving mechanism 19 corresponding to the mounting shaft 16 is further provided in the workbench 1. The mounting shaft 16 is rotatably connected to the top of the workbench 1, and the output shaft of the second driving mechanism 19 is connected to the mounting shaft 16.

[0028] Specifically, the second driving mechanism 19 is a motor.

[0029] In another embodiment, as Figure 1 shown, a chute corresponding to the bracket 2 is provided on the workbench 1, a slider corresponding to the chute is provided at the bottom of the bracket 2, the slider is slidably connected in the chute, and an electric cylinder 20 is further provided on the side of the workbench 1. The telescopic rod 5 of the electric cylinder 20 is connected to the slider to drive the bracket 2 to move left and right.

[0030] In another embodiment, as Figure 1 shown, the workbench 1 is composed of a first workbench and a second workbench, and the pulley fixing device and the detection device are respectively arranged on the first workbench and the second workbench.

[0031] In another embodiment, as Figure 1 shown, the first workbench and the second workbench are abutted against each other, and an elastic pad 21 is provided between the first workbench and the second workbench to weaken the influence of the vibration during the operation of the motor on the detection device.

[0032] The working principle of the above structure is as follows: The pulley 12 is sleeved on the mounting shaft 16, the locking flange 18 is tightened to lock the pulley 12, the electric cylinder 20 is started to make the bracket 2 approach the pulley 12, and the balls 6 of the two detection mechanisms 3 are respectively abutted against the groove of the pulley 12 to be detected and the edge of the pulley 12 by adjusting the first driving mechanism 13. Then the motor is started, the mounting shaft 16 drives the pulley 12 to rotate. When the pulley 12 jumps, the telescopic rod 5 transmits the pressure change to the pressure sensor 11 through the ejector rod 7, and the pressure sensor 11 then transmits the data to the display screen of the controller.

Claims

1. A synchronous pulley belt groove jump detection device, characterized in that: It comprises a workbench (1), one side of the workbench (1) is provided with a pulley fixing device, and the other side of the workbench (1) is connected to a detection device for left-right movement; The detection device comprises an inverted "L"-shaped bracket (2) and a detection mechanism (3) respectively fixed to the top of the bracket (2) and the middle of the bracket (2), wherein the detection mechanism (3) comprises a sleeve (4), a telescopic rod (5) telescopically connected to the lower end of the sleeve (4), a ball (6) arranged at the bottom end of the telescopic rod (5), a top rod (7) fixed to the top end of the telescopic rod (5), a plug (8) sealing the top of the sleeve (4), and a plug (8) sleeved on the telescopic rod (5) and located at the plug (8). ) and a spring (9) between the bottom of the sleeve (4), a cover body (10) and a pressure sensor (11) arranged in the cover body (10), the cover body (10) is fixed on the top of the sleeve (4), the plug (8) has a hole corresponding to the push rod (7), the push rod (7) passes through the plug (8) and abuts against the pressure sensor (11), and the balls (6) of the two detection mechanisms (3) respectively abut against the wheel groove of the detected pulley (12) and the edge of the pulley (12).

2. A synchronous pulley belt groove runout detection device as claimed in claim 1, characterized in that: The bracket (2) is also provided with a first driving mechanism (13) for driving the detection mechanism (3) to move.

3. A synchronous pulley belt groove runout detection device as claimed in claim 2, characterized in that: The first driving mechanism (13) is a screw mechanism, the screw of the screw mechanism is rotatably connected to the cover body (10), the bracket (2) is also provided with a guide cover (14) corresponding to the cover body (10), a guide rail is provided inside the guide cover (14), and a guide block (15) corresponding to the guide rail is provided on the outer side of the guide cover (14).

4. A synchronous pulley belt groove runout detection device as claimed in claim 3, characterized in that: The lower end of the telescopic rod (5) is in the shape of a frustum.

5. A synchronous pulley belt groove jump detection device as claimed in claim 4, characterized in that: The pulley fixing device comprises a mounting shaft (16), a limiting ring (17) arranged at the lower end of the mounting shaft (16), and a locking flange (18); the pulley (12) is sleeved on the mounting shaft (16) and its bottom is in contact with the limiting ring (17); the locking flange (18) is arranged on the top of the pulley (12) and locks the pulley (12).

6. A synchronous pulley belt groove runout detection device as claimed in claim 5, characterized in that: A second driving mechanism (19) corresponding to the mounting shaft (16) is also provided in the workbench (1); the mounting shaft (16) is rotatably connected to the top of the workbench (1); and an output shaft of the second driving mechanism (19) is connected to the mounting shaft (16).

7. A synchronous pulley belt groove runout detection device as claimed in claim 6, characterized in that: The second driving mechanism (19) is a motor.

8. A synchronous pulley belt groove jump detection device as claimed in claim 7, characterized in that: The workbench (1) is provided with a slide groove corresponding to the bracket (2), the bottom of the bracket (2) is provided with a slider corresponding to the slide groove, the slider is slidably connected in the slide groove, and the side of the workbench (1) is also provided with an electric cylinder (20), and the telescopic rod (5) of the electric cylinder (20) is connected to the slider.

9. A synchronous pulley belt groove runout detection device as claimed in claim 8, characterized in that: The workbench (1) consists of a first workbench and a second workbench, and the pulley fixing device and the detection device are respectively arranged on the first workbench and the second workbench.

10. A synchronous pulley belt groove jump detection device as claimed in claim 9, characterized in that: The first workbench and the second workbench are arranged in contact with each other, and an elastic pad (21) is arranged between the first workbench and the second workbench.

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