Worm gear outer wall treatment device

Abstract

A worm gear outer wall processing device comprises a bottom plate, a pair of upper extending plates are arranged at the two ends of the bottom plate, an upper plate is installed at the upper ends of the upper extending plates, a rotating shaft is rotationally arranged on the upper extending plates, gears are arranged at the two ends of the rotating shaft, one end of the rotating shaft is connected with a motor, the gears are meshed with driven gears, and spline sleeves are coaxially connected to the driven gears. The spline sleeve is rotationally arranged on the upper extending plate, and a spline shaft is movably arranged in the spline sleeve. A rotating end pipe is installed at the inner side end of the spline shaft, a shrinkage pipe is arranged at the inner side end of the rotating end pipe, a conical head is arranged at the inner side end of the shrinkage pipe, the inner side end of the conical head is a small end, a plurality of shrinkage joints are formed in the periphery of the conical head, threads are arranged on the periphery of the rotating end pipe, and a movable sleeve is connected to the rotating end pipe. According to the worm gear end face processing device, processing operation of the worm gear end face is facilitated, and the processing efficiency and the processing effect are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of worm gear processing, in particular to a worm gear outer wall processing device. Background Art

[0002] The transmission components used in the driving mechanism of the car window regulator are worm gear and worm transmission, and the worm gear is made of plastic and aluminum alloy injection molding. The worm gear molded by injection molding needs to have its end face processed after molding to meet the assembly conditions of the worm gear. The commonly used grinding method is angle grinder grinding, which can easily damage the worm gear shaft and affect the assembly of the worm gear. Utility Model Content

[0003] The utility model provides a worm wheel outer wall processing device to solve the above-mentioned deficiencies in the prior art, facilitate the processing of the two end faces of the worm wheel, improve the processing efficiency, and at the same time avoid damage to the worm wheel shaft, thus having strong practicality.

[0004] In order to achieve the purpose of this utility model, the following technologies are proposed:

[0005] A worm gear outer wall processing device comprises a base plate, a pair of upper extension plates are provided at both ends of the base plate, an upper plate is installed on the upper end of the upper extension plate, a rotating shaft is rotatably provided on the upper extension plate, gears are provided at both ends of the rotating shaft, one end of the rotating shaft is connected to a motor, a driven gear is meshed on the gear, a spline sleeve is coaxially connected to the driven gear, the spline sleeve is rotatably provided on the upper extension plate, and a spline shaft is movably provided in the spline sleeve. The inner end of the spline shaft is provided with a rotating end tube, the inner end of the rotating end tube is provided with a shrink tube, the inner end of the shrink tube is provided with a conical head, the inner end of the conical head is a small end, and a plurality of shrink seams are provided on the outer circumference of the conical head, the outer circumference of the rotating end tube is provided with a thread, the rotating end tube is connected with a movable sleeve, the inner end of the movable sleeve is connected with a shrink outer ring, the inner circumference of the shrink outer ring acts on the outer circumference of the conical head, a guide cross bar is provided between the upper ends of the upper extension plate, a pair of movable plates are sleeved on the guide cross bar, an adjusting screw is screwed on the movable plate, the screws at both ends of the adjusting screw are rotated in opposite directions, the two ends of the adjusting screw are rotatably arranged on the upper extension plate, and a scraper is provided at the lower end of the movable plate. Through the provided conical head, the conical head can be moved between the rotating end tube and the conical head, so that the conical head can be retracted inward and the worm shaft can be clamped. In addition, in order to ensure the scraping effect during grinding, gears are also provided for transmission, and when the scraping process is performed, when the worm wheel rotates, the processing effect can be improved, and the processing efficiency can also be improved. The scraper can be set by adjusting its position, so that the end surface of the worm wheel can be scraped through its inner wall.

[0006] Furthermore, the inner circumference of the shrink outer ring is a conical structure, and the outer end is a small end, so as to facilitate the clamping operation of the worm gear shaft.

[0007] Furthermore, the inner side of the scraper is a blade-shaped structure to improve the processing effect.

[0008] Furthermore, a vertical screw rod is rotatably provided on the upper plate, an end cap is provided on the upper end of the vertical screw rod, a movable horizontal plate is provided on the vertical screw rod, a plurality of guide rods are passed through the movable horizontal plate, the lower end of the guide rods is provided on the upper plate, a concave movable plate is installed on the outer end of the movable horizontal plate, an inner pressure rod is provided on the lower end of the concave movable plate, a connecting pin is provided on the outer end of the spline shaft, an inner pressure plate is sleeved on the connecting pin, an inclined hole is provided on the inner pressure plate, the length direction of the inclined hole is at an angle with the axial direction of the rotating shaft, the inner pressure rod passes through the inclined hole, a transverse rod is passed through the inner pressure plate, and the transverse rod is provided on the upper extension plate. Through the inclined hole and the inner pressure rod, when the inner pressure rod moves downward, the conical head can be moved inward and sleeved on the worm wheel. In this way, firstly, it is convenient to clamp and position the worm wheel, providing sufficient moving space for the clamping operation, and secondly, it is prevented from moving left and right during the processing operation through positioning, which affects the processing effect.

[0009] The advantages of the above technical solution are:

[0010] The utility model facilitates the processing operation of the worm gear end surface and improves the processing efficiency and effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below with reference to the accompanying drawings.

[0012] Figure 1 The three-dimensional structure of one embodiment is shown Figure 1 .

[0013] Figure 2 The three-dimensional structure of one embodiment is shown Figure 2 .

[0014] Figure 3 A cross-sectional view of one embodiment is shown. DETAILED DESCRIPTION

[0015] like Figure 1~Figure 3 As shown, a worm wheel outer wall processing device comprises a bottom plate 1, a pair of upper extension plates 10 are provided at both ends of the bottom plate 1, and an upper plate 100 is installed at the upper end of the upper extension plate 10.

[0016] A rotating shaft 2 is rotatably provided on the upper extension plate 10, gears 21 are provided at both ends of the rotating shaft 2, one end of the rotating shaft 2 is connected to a motor, a driven gear 22 is meshed with the gear 21, a spline sleeve 23 is coaxially connected to the driven gear 22, the spline sleeve 23 is rotatably provided on the upper extension plate 10, and a spline shaft 3 is movably provided in the spline sleeve 23.

[0017] A rotating end tube 30 is installed at the inner end of the spline shaft 3, and a shrink tube 31 is provided at the inner end of the rotating end tube 30. A conical head 32 is provided at the inner end of the shrink tube 31. The inner end of the conical head 32 is a small end, and a plurality of shrink seams 33 are provided on the outer periphery of the conical head 32. A thread is provided on the outer periphery of the rotating end tube 30. A movable sleeve 34 is connected to the rotating end tube 30. The inner end of the movable sleeve 34 is connected to a shrink outer ring 36. The inner periphery of the shrink outer ring 36 is a conical structure, and the outer end is a small end. The inner periphery of the shrink outer ring 36 acts on the outer periphery of the conical head 32.

[0018] A guide cross bar 5 is provided between the upper ends of the upper extension plate 10, and a pair of movable plates 50 are sleeved on the guide cross bar 5. An adjusting screw 51 is screwed on the movable plate 50. The threads at both ends of the adjusting screw 51 rotate in opposite directions. The two ends of the adjusting screw 51 are rotatably provided on the upper extension plate 10. A scraper 52 is provided at the lower end of the movable plate 50, and the inner side of the scraper 52 is a blade-shaped structure.

[0019] A vertical screw rod 48 is rotatably provided on the upper plate 100, and an end cap is provided at the upper end of the vertical screw rod 48. A movable horizontal plate 46 is provided on the vertical screw rod 48, and a plurality of guide through rods 47 are passed through the movable horizontal plate 46. The lower end of the guide through rod 47 is provided on the upper plate 100. A concave movable plate 45 is installed on the outer end of the movable horizontal plate 46, and an inner pressure rod 42 is provided at the lower end of the concave movable plate 45. A connecting pin 40 is provided on the outer end of the spline shaft 3, and an inner pressure plate 41 is sleeved on the connecting pin 40. An inclined hole 43 is opened on the inner pressure plate 41, and the length direction of the inclined hole 43 forms an angle with the axial direction of the rotating shaft 2. The inner pressure rod 42 passes through the inclined hole 43, and a transverse through rod 44 is passed through the inner pressure plate 41. The transverse through rod 44 is provided on the upper extension plate 10.

[0020] When operating the present embodiment, the operator places the worm gear between the conical heads 32 .

[0021] Next, one of the worm gear shafts is inserted into one of the conical heads 32 , and the movable sleeve 34 is rotated to allow the contraction outer ring 36 to act on the conical head 32 , thereby causing the conical head 32 to contract and clamp the worm gear shaft.

[0022] Then rotate the vertical screw rod 48 to move the movable horizontal plate 46 downward, and when the movable horizontal plate 46 moves downward, it will act on the inclined hole 43 through the internal pressure rod 42, so that the two internal pressure plates 41 are close to each other at the same time, and when the internal pressure plates 41 are close to each other, the other end of the worm gear shaft will pass through the conical head 32, and the other end of the worm gear shaft will be positioned through it.

[0023] Then, the distance between the scrapers 52 is adjusted by adjusting the screw 51, so that the blade acts on the end face of the worm gear, and the end face of the worm gear is processed by the scraper 52. During the processing, the motor connected to the shaft 2 is started to rotate the shaft 2, and the gear 21 drives the driven gear 22 to rotate. The rotation of the driven gear 22 drives the clamped worm gear to rotate, and the processing operation is performed through the scraper 52 during the rotation. In addition, the distance between the scrapers 52 needs to be adjusted by adjusting the screw 51 to feed.

[0024] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Obviously, those skilled in the art can make various changes and modifications to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model fall within the scope of the claims of the utility model and their equivalents, the utility model is also intended to include these modifications and variations.

Claims

1. A worm gear outer wall processing device, characterized in that: It comprises a bottom plate (1), a pair of upper extension plates (10) are provided at two ends of the bottom plate (1), and an upper plate (100) is installed at the upper end of the upper extension plate (10); A rotating shaft (2) is rotatably provided on the upper extension plate (10), gears (21) are provided at both ends of the rotating shaft (2), one end of the rotating shaft (2) is connected to a motor, a driven gear (22) is meshed with the gear (21), a spline sleeve (23) is coaxially connected to the driven gear (22), the spline sleeve (23) is rotatably provided on the upper extension plate (10), and a spline shaft (3) is movably provided in the spline sleeve (23); A rotating end tube (30) is installed at the inner end of the spline shaft (3), a shrink tube (31) is provided at the inner end of the rotating end tube (30), a conical head (32) is provided at the inner end of the shrink tube (31), the inner end of the conical head (32) is a small end, and a plurality of shrink seams (33) are provided on the outer circumference of the conical head (32), a thread is provided on the outer circumference of the rotating end tube (30), a movable sleeve (34) is connected to the rotating end tube (30), the inner end of the movable sleeve (34) is connected to a shrink outer ring (36), and the inner circumference of the shrink outer ring (36) acts on the outer circumference of the conical head (32); A guide cross bar (5) is provided between the upper ends of the upper extension plates (10), a pair of movable plates (50) are sleeved on the guide cross bar (5), an adjusting screw rod (51) is screwed on the movable plate (50), the screw threads at both ends of the adjusting screw rod (51) are screwed in opposite directions, the two ends of the adjusting screw rod (51) are rotatably arranged on the upper extension plates (10), and a scraper plate (52) is provided at the lower end of the movable plate (50).

2. The worm wheel outer wall processing device according to claim 1, characterized in that: The inner circumference of the shrink outer ring (36) is in a conical structure, and the outer end is a small end.

3. The worm wheel outer wall processing device according to claim 1, characterized in that: The inner side of the scraper (52) is a blade-shaped structure.

4. The worm wheel outer wall processing device according to claim 1, characterized in that: A vertical screw rod (48) is rotatably provided on the upper plate (100), an end cap is provided at the upper end of the vertical screw rod (48), a movable horizontal plate (46) is provided on the vertical screw rod (48), a plurality of guide rods (47) are passed through the movable horizontal plate (46), the lower end of the guide rod (47) is provided on the upper plate (100), a concave movable plate (45) is installed at the outer end of the movable horizontal plate (46), and an inner pressure rod is provided at the lower end of the concave movable plate (45) (42), a connecting pin (40) is provided at the outer end of the spline shaft (3), an inner pressure plate (41) is sleeved on the connecting pin (40), an inclined hole (43) is opened on the inner pressure plate (41), a length direction of the inclined hole (43) and an axial direction of the rotating shaft (2) form an included angle, the inner pressure rod (42) passes through the inclined hole (43), a transverse through rod (44) is passed through the inner pressure plate (41), and the transverse through rod (44) is arranged on the upper extension plate (10).

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