Spiral length detection device

Abstract

The utility model discloses a spiral length detection device, comprising a push plate assembly slidably arranged at the upper end of a rack, and a rotating shaft rotatably arranged on the push plate assembly and suitable for assembling a gear; the driving motor is arranged at the upper end of the rack, and the output end of the driving motor is connected with the rotating shaft; the pulley assembly is movably arranged on the rack, and the pulley assembly and the rotating shaft are arranged correspondingly; a guide rod is arranged on the rack in the vertical direction, and the balancing weight is arranged on the guide rod in a sliding mode; one end of the connecting rope is connected with the gear, and the other end of the connecting rope is wound around the pulley assembly and then connected with the balancing weight. And the detection assembly is arranged on the push plate assembly, and the detection assembly and the rotating shaft are correspondingly arranged to detect the number of rotation turns of the rotating shaft so as to obtain the tooth groove length of the gear. The device is simple in structure, and can detect the tooth groove length of the gear so as to obtain the tooth number condition of the tooth groove.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection equipment technical field especially relates to a detection device of spiral length. BACKGROUND

[0002] In prior art, most gears need to measure the tooth number of the gear groove in the process of machining and using, so as to avoid the failure of the tooth number of the gear groove not meeting the standard when using, the measurement device in the prior art may cause the detection result to be inaccurate due to the difficulty in detecting the gear when measuring the tooth number of the gear groove. SUMMARY

[0003] The utility model aims at at least in a certain extent solve one of the problems existing in prior art related art, for this purpose, the utility model provides a detection device of spiral length, its simple structure, easy operation can detect the gear groove length of gear to obtain the tooth number of gear groove, can also effectively improve the accuracy of detection.

[0004] The above-mentioned purpose is realized by the following technical scheme:

[0005] A detection device of spiral length is used for detecting the gear groove length of gear, comprising:

[0006] A rack;

[0007] A push plate assembly is slidably arranged at the upper end position of the rack, and a rotating shaft suitable for assembling the gear is rotatably arranged on the push plate assembly;

[0008] A drive motor is arranged at the upper end position of the rack, and the output end of the drive motor is connected with the rotating shaft;

[0009] A pulley assembly is movably arranged on the rack, and the pulley assembly is arranged corresponding to the rotating shaft;

[0010] A counterweight is arranged on the rack along the vertical direction, and the counterweight is slidably arranged on the guide rod;

[0011] A connecting rope is connected with the gear at one end and connected with the counterweight after being wound on the pulley assembly;

[0012] A detection assembly is arranged on the push plate assembly, and the detection assembly is arranged corresponding to the rotating shaft to detect the rotating number of the rotating shaft and obtain the gear groove length of the gear.

[0013] In some embodiments, a limiting assembly is further included, which is arranged at a lower end position of the frame and corresponds to the counterweight to limit the falling movement of the counterweight.

[0014] In some embodiments, the limiting assembly includes a limiting motor and a limiting plate, wherein the limiting motor is arranged at a lower end position of the frame, the limiting plate is arranged on an output end of the limiting motor, and the limiting plate is located below the counterweight.

[0015] In some embodiments, the push plate assembly includes a sliding rod, a push plate and a screw rod motor, wherein a fixed plate is arranged at an upper end position of the frame, the sliding rod is slidably arranged on the fixed plate, and the sliding rod is connected with the push plate at an end away from the fixed plate, the rotating shaft is rotatably arranged on the push plate, and the screw rod motor is arranged on the frame and the output end of the screw rod motor is connected with the push plate to drive the push plate to move in the front-back direction.

[0016] In some embodiments, the pulley assembly includes a first pulley, a second pulley and a third pulley, wherein the first pulley is arranged on a front wall of the upper end of the frame, the second pulley and the third pulley are sequentially arranged at the upper end position of the frame in the front-back direction, and the third pulley corresponds to the counterweight, one end of the connecting rope is connected with the gear, and the other end is sequentially wound around the first pulley, the second pulley and the third pulley and connected with the counterweight.

[0017] In some embodiments, the detection assembly includes an infrared emitter and an infrared receiver, wherein the infrared emitter is arranged on the push plate assembly, the infrared receiver is arranged on the rotating shaft, and the number of rotation of the rotating shaft is detected through the cooperation of the infrared emitter and the infrared receiver.

[0018] In some embodiments, a mounting seat is further included, the counterweight is arranged on the mounting seat, the guide rods are respectively arranged on the two ends of the frame, and a through hole corresponding to the guide rods is formed in the mounting seat.

[0019] In some embodiments, a limiting seat is further included, which is arranged at an upper end position of the guide rod to limit the rising movement of the counterweight.

[0020] Compared with the prior art, the utility model at least has the following beneficial effects:

[0021] 1. The spiral length detection device has simple structure and simple operation, can detect the gear slot length of a gear to obtain the gear slot number condition, and can effectively improve the detection accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present utility model, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0023] Figure 1 Fig. 1 is a first structural schematic diagram of the spiral length detection device in the embodiments of the present utility model;

[0024] Figure 2 Fig. 2 is a second structural schematic diagram of the spiral length detection device in the embodiments of the present utility model. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the present utility model more clear, the following will combine the embodiments of the present utility model to clearly and completely describe the technical scheme in the embodiments of the present utility model. Obviously, the described embodiments are some embodiments of the present utility model, but not all the embodiments. The components of the embodiments of the present utility model can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the claimed present utility model, but only represents selected embodiments of the present utility model. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the technical solutions claimed by the present utility model.

[0027] Embodiment:

[0028] As shown in Figs. 1 and 2, the present embodiment provides a spiral length detection device for detecting the gear slot length of a gear, which comprises: Figure 1 2 A rack 1;

[0029] A push plate assembly 2 is slidably arranged at the upper end position of the rack 1, and a rotating shaft 21 adapted to assemble the gear is rotatably arranged on the push plate assembly 2;

[0030]

[0031] ​​A driving motor is arranged at the upper end of the frame 1, and the output end of the driving motor is connected with the rotating shaft 21.

[0032] A pulley assembly 4 is movably arranged on the frame 1, and the pulley assembly 4 is arranged corresponding to the rotating shaft 21.

[0033] A counterweight 5 is arranged on the frame 1 along the vertical direction, and a guide rod 11 is arranged on the frame 1, and the counterweight 5 is slidably arranged on the guide rod 11.

[0034] A connecting rope 6 is arranged, one end of which is connected with the gear, and the other end is connected with the counterweight 5 after being wound around the pulley assembly 4.

[0035] A detection assembly is arranged on the push plate assembly 2, and the detection assembly is arranged corresponding to the rotating shaft 21 to detect the number of rotations of the rotating shaft 21 to obtain the length of the gear slot.

[0036] In this embodiment, the push plate assembly 2, the driving motor are arranged in sequence from front to back at the upper end of the frame 1, the pulley assembly 4 is arranged above the driving motor, the guide rod 11 is arranged on the frame 1 along the vertical direction, the counterweight 5 is slidably arranged on the guide rod 11, when the gear is installed on the rotating shaft 21, one end of the connecting rope 6 is connected with the gear, and the other end is connected with the counterweight 5 after being wound around the pulley assembly 4, when the driving motor drives the rotating shaft 21 to rotate, the rotating shaft 21 drives the gear to rotate synchronously, so that the connecting rope 6 is wound around the gear slot, the number of rotations of the rotating shaft 21 is detected by the detection assembly to obtain the number of rotations of the rotating shaft 21, and then the length of the gear slot can be calculated according to the number of rotations of the rotating shaft 21 and the diameter of the gear, which has the advantages of simple structure, simple operation, and can detect the length of the gear slot to obtain the number of teeth of the gear slot, and can effectively improve the detection accuracy.

[0037] More preferably, the connecting rope is made of steel wire rope.

[0038] Further, a limiting assembly 8 is arranged at the lower end of the frame 1, and the limiting assembly 8 is arranged corresponding to the counterweight 5 to limit the falling movement of the counterweight 5.

[0039] Preferably, the limiting assembly 8 comprises a limiting motor 81 and a limiting plate 82, wherein the limiting motor 81 is arranged at the lower end of the frame 1, and the limiting plate 82 is arranged on the output end of the limiting motor 81, and the limiting plate 82 is located below the counterweight 5.

[0040] In the embodiment, a limit motor 81 is arranged at the lower position of the counterweight 5, the output end of the limit motor 81 is arranged upwardly, and a limit plate 82 is arranged at the output end of the limit motor 81, when the counterweight 5 is in the descending process, the limit motor 81 drives the limit plate 82 to move upwardly until the counterweight 5 abuts against the limit plate 82, under the action of the gravity of the counterweight 5, the limit motor 81 is blocked, so that the rotor of the limit motor 81 changes the rotating direction to drive the limit plate 82 to move downwardly until the limit plate 82 is lowered to the initial position, so that the limit plate 82 limits the sliding of the counterweight 5.

[0041] Specifically, the push plate assembly 2 comprises a slide rod 22, a push plate 23 and a screw motor 24, wherein a fixed plate is arranged at the upper end position of the rack 1, the slide rod 22 is slidably arranged on the fixed plate, and the slide rod 22 is connected with the push plate 23 at the end away from the fixed plate, the rotating shaft 21 is rotatably arranged on the push plate 23, and the screw motor 24 is arranged on the rack 1 and the output end of the screw motor 24 is connected with the push plate 23 to drive the push plate 23 to move in the front-back direction.

[0042] In the embodiment, the push plate 23, the fixed plate are sequentially arranged from front to back at the upper end position of the rack 1, the slide rod 22 is slidably arranged at the two ends of the fixed plate, and the slide rod 22 is connected with the push plate 23 at the end away from the fixed plate, since the screw motor 24 is arranged on the rack 1 and the output end of the screw motor 24 is connected with the push plate 23 to drive the push plate 23 to move in the front-back direction, so that the push plate 23 slides on the slide rod 22, the driving motor is installed on the rear wall of the push plate 23, and the output end of the driving motor passes through the opening of the push plate 23 and is connected with the rotating shaft 21, when the gear is installed on the rotating shaft 21, the driving motor drives the gear to rotate through the rotating shaft 21.

[0043] Further, the pulley assembly 4 comprises a first pulley 41, a second pulley 42 and a third pulley 43, wherein the first pulley 41 is arranged on the front wall of the upper end of the rack 1, the second pulley 42 and the third pulley 43 are sequentially arranged in the front-back direction at the upper end position of the rack 1, and the third pulley 43 is arranged corresponding to the counterweight 5, one end of the connecting rope 6 is connected with the gear, and the other end is sequentially wound around the first pulley 41, the second pulley 42 and the third pulley 43 and then connected with the counterweight 5.

[0044] Preferably, the detection assembly comprises an infrared emitter and an infrared receiver, wherein the infrared emitter is arranged on the push plate assembly 2, and the infrared receiver is arranged on the rotating shaft 21, and the rotating number of the rotating shaft 21 is detected through the cooperation of the infrared emitter and the infrared receiver.

[0045] Specifically, the mounting seat 51 is further included, the counterweight 5 is arranged on the mounting seat 51, the guide rods 11 are respectively arranged on the two ends of the frame 1, and the through holes matched with the guide rods 11 are arranged on the mounting seat 51.

[0046] Particularly, the limiting seat 12 is further included, the limiting seat 12 is arranged at the upper end position of the guide rod 11 to limit the upward movement of the counterweight 5.

[0047] In the embodiment, the guide rods 11 are respectively arranged on the two ends of the frame 1 along the vertical direction, the through holes are arranged on the mounting seat 51, the guide rods 11 are arranged in the through holes to guide the lifting movement of the mounting seat 51, and the limiting seat 12 is arranged at the upper end position of the guide rod 11 to limit the upward movement of the mounting seat 51.

[0048] The above only describes some embodiments of the utility model. For ordinary skilled in the art, without departing from the utility model creative concept, can make a number of deformation and improvement, these all belong to the protection scope of the utility model.

Claims

1. A device for detecting the helix length, used to detect the tooth groove length of a gear, characterized in that, include: Rack (1); Push plate assembly (2), which is slidably disposed at the upper end of the frame (1), and a rotating shaft (21) suitable for assembling the gear is rotatably disposed on the push plate assembly (2); A drive motor is provided at the upper end of the frame (1), and the output end of the drive motor is connected to the rotating shaft (21). A pulley assembly (4) is movably mounted on the frame (1) and is correspondingly mounted to the rotating shaft (21); The counterweight (5) is provided with a guide rod (11) in the vertical direction on the frame (1), and the counterweight (5) is slidably disposed on the guide rod (11); A connecting rope (6) is provided, one end of which is connected to the gear, and the other end is wound around the pulley assembly (4) and connected to the counterweight (5). The detection component is disposed on the push plate assembly (2) and is configured to detect the number of rotations of the rotating shaft (21) to obtain the tooth groove length of the gear.

2. The device for detecting the spiral length according to claim 1, characterized in that, It also includes a limiting component (8), which is disposed at the lower end of the frame (1) and is disposed corresponding to the counterweight (5) so that the limiting component (8) limits the descent movement of the counterweight (5).

3. The device for detecting the spiral length according to claim 2, characterized in that, The limiting component (8) includes a limiting motor (81) and a limiting plate (82), wherein the limiting motor (81) is located at the lower end of the frame (1), the limiting plate (82) is located on the output end of the limiting motor (81), and the limiting plate (82) is located below the counterweight (5).

4. The device for detecting the spiral length according to claim 1, characterized in that, The push plate assembly (2) includes a slide rod (22), a push plate (23), and a lead screw motor (24). A fixed plate is provided at the upper end of the frame (1). The slide rod (22) is slidably mounted on the fixed plate, and the end of the slide rod (22) away from the fixed plate is connected to the push plate (23). The rotating shaft (21) is rotatably mounted on the push plate (23). The lead screw motor (24) is mounted on the frame (1), and the output end of the lead screw motor (24) is connected to the push plate (23) to drive the push plate (23) to move in the front-back direction.

5. The device for detecting the spiral length according to claim 1, characterized in that, The pulley assembly (4) includes a first pulley (41), a second pulley (42), and a third pulley (43). The first pulley (41) is disposed on the front wall of the upper end of the frame (1). The second pulley (42) and the third pulley (43) are disposed sequentially at the upper end of the frame (1) in the front-back direction. The third pulley (43) is disposed corresponding to the counterweight (5). One end of the connecting rope (6) is connected to the gear, and the other end is sequentially wound around the first pulley (41), the second pulley (42), and the third pulley (43) and then connected to the counterweight (5).

6. The device for detecting the spiral length according to claim 1, characterized in that, The detection component includes an infrared transmitter and an infrared receiver, wherein the infrared transmitter is disposed on the push plate assembly (2) and the infrared receiver is disposed on the rotating shaft (21). The number of rotations of the rotating shaft (21) is detected by the coordinated action of the infrared transmitter and the infrared receiver.

7. The device for detecting the spiral length according to claim 1, characterized in that, It also includes a mounting base (51), the counterweight (5) is disposed on the mounting base (51), the guide rods (11) are respectively disposed on both ends of the frame (1), and through holes that cooperate with the guide rods (11) are provided on the mounting base (51).

8. The device for detecting the spiral length according to claim 1, characterized in that, It also includes a limiting seat (12), which is located at the upper end of the guide rod (11) to limit the upward movement of the counterweight (5).

Images