Worm gear and worm meshing detection device

Abstract

The utility model relates to the technical field of detection devices, in particular to a worm gear and worm meshing detection device. The motor is started to drive the threaded rod to rotate, the threaded rod drives the nut plate and the movable plate to move, the movable plate drives the rotating disc and the worm wheel body to move to the left side of the bottom plate, the tooth face of the worm body is coated with red lead powder, and the extending length of the first electric cylinder and the extending length of the second electric cylinder are adjusted. The rotating shaft is rotated to drive the second electric cylinder and the ejector pin to rotate, the ejector pin drives the worm body to rotate, and after the worm body drives the worm wheel body to rotate by a circle, the position of red lead powder adhered to the tooth surface of the worm wheel body is observed, so that the meshing spots of the worm wheel body and the worm body can be clearly seen; the worm gear and worm tooth machining condition can be determined, the meshing position and the meshing width between the worm gear and the worm can be effectively detected, abrasion caused after unqualified products are put into use is prevented, the risk of equipment operation is avoided, and practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to a worm gear engagement detection device. Background Art

[0002] A worm gear is a mechanical component used to transmit motion and power between two staggered axes. The structure of a worm gear usually consists of a worm and a worm wheel. The meshing of the worm wheel and the worm is similar to that of a gear and a rack. The worm is similar in shape to a screw. When working, the worm wheel teeth slide and roll along the spiral surface of the worm.

[0003] When the worm gear structure is working, if the meshing position and meshing width between the two cannot meet the design requirements, the friction between the worm gear and the worm will increase, causing surface wear, affecting the stability of equipment operation, and even causing failures. Therefore, meshing detection is required after the worm gear is processed; for this purpose, a worm gear meshing detection device is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a worm gear engagement detection device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a worm gear engagement detection device, comprising a base plate, a mounting frame is fixedly connected to the middle of the upper surface of the base plate, a motor is fixedly installed on the right surface of the mounting frame, a threaded rod is fixedly connected to the output shaft end of the motor, the threaded rod passes through the right surface of the mounting frame, the threaded rod and the inner side wall of the mounting frame are rotatably connected through a bearing, a nut plate is threadedly connected to the outer side wall of the threaded rod, a movable plate is fixedly connected to the upper surface of the nut plate, a turntable is rotatably connected to the upper surface of the movable plate, a worm wheel body is placed on the upper surface of the turntable, a mounting plate is fixedly connected to the front side of the upper surface of the base plate, a first electric cylinder is rotatably connected to the rear surface of the mounting plate, a rotating shaft is provided on the rear side of the upper surface of the base plate, a second electric cylinder is fixedly connected to the front surface of the rotating shaft, one end of the piston rod of the first electric cylinder and the second electric cylinder is fixedly connected to a pin, a worm body is provided between the two pins, and the worm body is meshed with the worm wheel body.

[0006] As a further preferred embodiment of the technical solution: the inner side wall of the mounting frame is fixedly connected to two sliding rods, and the outer side wall of the sliding rod is slidably connected to the nut plate.

[0007] As a further preferred embodiment of the technical solution: a positioning shaft is fixedly connected to the upper surface of the turntable, and convex strips are evenly bonded to the outer side wall of the positioning shaft, and the outer side wall of the convex strips is in close contact with the inner side wall of the worm wheel body.

[0008] As a further preferred embodiment of the technical solution: a first circular groove is fixedly connected to the lower surface of the turntable, a second circular groove is fixedly connected to the upper surface of the movable plate, and balls are evenly arranged between the first circular groove and the second circular groove.

[0009] As a further preferred embodiment of the technical solution: a bearing plate is fixedly connected to the right side of the upper surface of the base plate, and the outer wall of the rotating shaft and the inner wall of the bearing plate are rotatably connected via a bearing.

[0010] As a further preferred embodiment of the technical solution: grooves adapted to the ejector pin are provided at both ends of the worm body, and a rubber gasket is in close contact between the groove and the ejector pin.

[0011] As a further preferred embodiment of the present technical solution: a handle is fixedly connected to the outer side wall of the rotating shaft.

[0012] As a further preferred embodiment of the technical solution: four legs are welded to the lower surface of the base plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model places a worm gear body on the upper surface of a turntable, starts a motor to drive the threaded rod to rotate, the threaded rod drives the nut plate and the moving plate to move, the moving plate drives the turntable and the worm gear body to move to the left side of the bottom plate, red lead powder is applied on the tooth surface of the worm gear body, the worm gear body is clamped between two ejectors, the extended lengths of the first electric cylinder and the second electric cylinder are adjusted so that the worm gear body and the worm gear body can mesh, the rotating shaft drives the second electric cylinder and the ejector to rotate, the ejector drives the worm gear body to rotate, and after the worm gear body drives the worm gear body to rotate one circle, the position of the red lead powder adhered on the tooth surface of the worm gear body is observed, the spots where the worm gear body and the worm gear body mesh can be clearly seen, so as to determine the processing status of the worm gear and worm gear teeth, and the meshing position and meshing width between the worm gear and the worm can be effectively detected, so as to prevent the wear caused by unqualified products after being put into use, avoid the risk of equipment operation, and have stronger practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the mounting frame in the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the turntable in the utility model;

[0018] Figure 4 It is a structural schematic diagram of the rotating shaft of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the worm body in the utility model.

[0020] In the figure: 1. base plate; 2. mounting frame; 3. motor; 4. threaded rod; 5. nut plate; 6. moving plate; 7. turntable; 8. worm gear body; 9. mounting plate; 10. first electric cylinder; 11. rotating shaft; 12. second electric cylinder; 13. ejector pin; 14. worm gear body; 15. sliding rod; 16. positioning shaft; 17. convex strip; 18. first circular groove; 19. second circular groove; 20. ball bearing; 21. bearing plate; 22. groove; 23. rubber gasket; 24. turning handle; 25. support leg. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as limitations on the present application. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0023] See also Figure 1-5The utility model provides a technical solution: a worm gear engagement detection device, comprising a base plate 1, a mounting frame 2 is fixedly connected to the middle of the upper surface of the base plate 1, a motor 3 is fixedly installed on the right surface of the mounting frame 2, a threaded rod 4 is fixedly connected to the output shaft end of the motor 3, the threaded rod 4 passes through the right surface of the mounting frame 2, the threaded rod 4 is rotatably connected to the inner side wall of the mounting frame 2 through a bearing, a nut plate 5 is threadedly connected to the outer side wall of the threaded rod 4, a moving plate 6 is fixedly connected to the upper surface of the nut plate 5, a turntable 7 is rotatably connected to the upper surface of the moving plate 6, a worm wheel body 8 is placed on the upper surface of the turntable 7, a mounting plate 9 is fixedly connected to the front side of the upper surface of the base plate 1, a first electric cylinder 10 is rotatably connected to the rear surface of the mounting plate 9, a rotating shaft 11 is provided on the rear side of the upper surface of the base plate 1, a second electric cylinder 12 is fixedly connected to the front surface of the rotating shaft 11, and the first electric cylinder 10 and the second electric cylinder 12 are movable One end of the plug rod is fixedly connected with an ejector pin 13, a worm body 14 is arranged between the two ejector pins 13, and the worm body 14 is meshedly connected with the worm wheel body 8; the worm wheel body 8 is placed on the upper surface of the turntable 7, the motor 3 is started to drive the threaded rod 4 to rotate, the threaded rod 4 drives the nut plate 5 and the moving plate 6 to move, the moving plate 6 drives the turntable 7 and the worm wheel body 8 to move to the left side of the bottom plate 1, red lead powder is applied on the tooth surface of the worm body 14, and the worm body 14 is clamped between the two ejector pins. 13, adjust the extended length of the first electric cylinder 10 and the second electric cylinder 12 to make the worm body 14 and the worm wheel body 8 meshing, rotate the rotating shaft 11 to drive the second electric cylinder 12 and the ejector pin 13 to rotate, and the ejector pin 13 drives the worm body 14 to rotate. After the worm body 14 drives the worm wheel body 8 to rotate one circle, observe the position of the red lead powder adhered to the tooth surface of the worm wheel body 8, and you can clearly see the spots where the worm wheel body 8 and the worm body 14 mesh, so as to determine the processing condition of the worm gear teeth.

[0024] In this embodiment, specifically: the inner wall of the mounting frame 2 is fixedly connected with two sliding rods 15, and the outer wall of the sliding rod 15 is slidably connected to the nut plate 5; so that the nut plate 5 does not rotate with the rotation of the threaded rod 4, but keeps moving in the direction of the sliding rod 15.

[0025] In this embodiment, specifically: a positioning shaft 16 is fixedly connected to the upper surface of the turntable 7, and a convex strip 17 is evenly bonded to the outer wall of the positioning shaft 16, and the outer wall of the convex strip 17 is in close contact with the inner wall of the worm wheel body 8, thereby preventing the worm wheel body 8 from sliding on the upper surface of the turntable 7.

[0026] In this embodiment, specifically: the lower surface of the turntable 7 is fixedly connected with a first circular groove 18, the upper surface of the movable plate 6 is fixedly connected with a second circular groove 19, and balls 20 are evenly arranged between the first circular groove 18 and the second circular groove 19; so that the turntable 7 can rotate above the movable plate 6.

[0027] In this embodiment, specifically: a bearing plate 21 is fixedly connected to the right side of the upper surface of the base plate 1, and the outer wall of the rotating shaft 11 is rotatably connected to the inner wall of the bearing plate 21 via a bearing, so as to facilitate the installation of the rotating shaft 11.

[0028] In this embodiment, specifically: grooves 22 adapted to the ejector pins 13 are formed at both ends of the worm body 14 , and a rubber gasket 23 is in close contact between the groove 22 and the ejector pins 13 , so that the worm body 14 can be tightly clamped between the two ejector pins 13 .

[0029] In this embodiment, specifically: the outer wall of the rotating shaft 11 is fixedly connected with a turning handle 24 to facilitate the rotation of the rotating shaft 11 .

[0030] In this embodiment, specifically: four legs 25 are welded on the lower surface of the bottom plate 1 to facilitate supporting the device.

[0031] The working principle of the utility model is as follows: the worm wheel body 8 is placed on the upper surface of the turntable 7, the motor 3 is started to drive the threaded rod 4 to rotate, the threaded rod 4 drives the nut plate 5 and the moving plate 6 to move, the moving plate 6 drives the turntable 7 and the worm wheel body 8 to move to the left side of the bottom plate 1, red lead powder is applied on the tooth surface of the worm body 14, the worm body 14 is clamped between two ejector pins 13, the length of the first electric cylinder 10 and the second electric cylinder 12 is adjusted to enable the worm body 14 to mesh with the worm wheel body 8, and the rotating shaft 11 is rotated to drive the second electric cylinder 12 and the ejector pin 13 rotate, and the ejector pin 13 drives the worm body 14 to rotate. After the worm body 14 drives the worm wheel body 8 to rotate one circle, the position of the red lead powder adhered to the tooth surface of the worm wheel body 8 is observed, and the spots where the worm wheel body 8 and the worm body 14 are meshed can be clearly seen to determine the processing status of the worm gear teeth. Thus, a worm gear meshing detection device is formed, which can effectively detect the meshing position and meshing width between the worm gear and the worm, prevent the wear caused by unqualified products after being put into use, avoid the risk of equipment operation, and is more practical.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A worm gear engagement detection device, comprising a base plate (1), characterized in that: A mounting frame (2) is fixedly connected to the middle of the upper surface of the base plate (1), a motor (3) is fixedly installed on the right surface of the mounting frame (2), a threaded rod (4) is fixedly connected to the output shaft end of the motor (3), the threaded rod (4) passes through the right surface of the mounting frame (2), the threaded rod (4) is rotatably connected to the inner wall of the mounting frame (2) via a bearing, a nut plate (5) is threadedly connected to the outer wall of the threaded rod (4), a movable plate (6) is fixedly connected to the upper surface of the nut plate (5), a rotating disk (7) is rotatably connected to the upper surface of the movable plate (6), and the rotating disk (7) is A worm wheel body (8) is placed on the upper surface; a mounting plate (9) is fixedly connected to the front side of the upper surface of the base plate (1); a first electric cylinder (10) is rotatably connected to the rear surface of the mounting plate (9); a rotating shaft (11) is provided on the rear side of the upper surface of the base plate (1); a second electric cylinder (12) is fixedly connected to the front surface of the rotating shaft (11); one end of the piston rod of the first electric cylinder (10) and the second electric cylinder (12) are fixedly connected to a pin (13); a worm body (14) is provided between the two pins (13); and the worm body (14) is meshingly connected to the worm wheel body (8).

2. The worm gear engagement detection device according to claim 1, characterized in that: Two sliding rods (15) are fixedly connected to the inner side wall of the mounting frame (2), and the outer side wall of the sliding rod (15) is slidably connected to the nut plate (5).

3. The worm gear engagement detection device according to claim 2, characterized in that: A positioning shaft (16) is fixedly connected to the upper surface of the rotating disk (7), and a convex strip (17) is evenly bonded to the outer wall of the positioning shaft (16), and the outer wall of the convex strip (17) is in close contact with the inner wall of the worm wheel body (8).

4. The worm gear engagement detection device according to claim 2, characterized in that: The lower surface of the rotating disk (7) is fixedly connected with a first circular groove (18), the upper surface of the movable plate (6) is fixedly connected with a second circular groove (19), and balls (20) are evenly arranged between the first circular groove (18) and the second circular groove (19).

5. The worm gear engagement detection device according to claim 2, characterized in that: A bearing plate (21) is fixedly connected to the right side of the upper surface of the bottom plate (1), and the outer side wall of the rotating shaft (11) and the inner side wall of the bearing plate (21) are rotatably connected via a bearing.

6. The worm gear engagement detection device according to claim 2, characterized in that: Both ends of the worm body (14) are provided with grooves (22) adapted to the ejector pin (13), and a rubber gasket (23) is in close contact between the groove (22) and the ejector pin (13).

7. The worm gear engagement detection device according to claim 6, characterized in that: The outer side wall of the rotating shaft (11) is fixedly connected with a rotating handle (24).

8. The worm gear engagement detection device according to claim 6, characterized in that: Four supporting legs (25) are welded to the lower surface of the bottom plate (1).

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