Automatic grinding device for transmission shaft

Abstract

The utility model relates to the technical field of polishing devices, and provides an automatic transmission shaft polishing device which comprises a rolling wheel assembly and a supporting shaft, the supporting shaft is fixedly connected to the top of the rolling wheel assembly, and a fixing plate fixedly penetrates through the circumferential face of the supporting shaft. Through mutual cooperation of a rotating shaft, a chain wheel, a chain, a supporting plate and other assemblies, when a stress wheel rotates clockwise, a reciprocating screw rod rotates clockwise, a reciprocating screw sleeve is forced to be stressed to do reciprocating rectilinear motion, and therefore a polishing ring is driven to do reciprocating rectilinear motion; by means of the technical scheme, the abrasive paper arranged on the inner wall of the grinding ring grinds the transmission shaft fixed to the side face of the supporting plate, the abraded position of the surface of the transmission shaft can be ground to be smooth, the transmission shaft can still work normally in the later period, the grinding effect is achieved, and the working efficiency of workers is improved. The problem of a polishing device in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a polishing device technical field, specifically, a kind of automatic polishing device of transmission shaft. BACKGROUND

[0002] In the production process of transmission shaft, the formed transmission shaft head needs to be polished, and the traditional polishing method is artificial sandpaper polishing, which is not only time-consuming and laborious, but also low in polishing efficiency, and the polishing is not thorough, and the polishing effect is poor;

[0003] According to a kind of transmission shaft head polishing device (publication number: CN 221984611 U) shown, including bottom plate, the clamping mechanism is arranged on the right side of slider, the polishing mechanism is arranged on the right side of bottom plate top portion. By clamping mechanism, transmission shaft is placed between two first clamps, servo motor is started;

[0004] But in the above design, through the cooperation of bottom plate, clamping mechanism and other components, it is difficult to realize the reciprocating linear motion of polishing ring, so that the sandpaper arranged on the inner wall of polishing ring cannot polish the transmission shaft, and the worn surface of transmission shaft cannot be polished smooth, therefore, we propose an automatic polishing device of transmission shaft. UTILITY MODEL CONTENTS

[0005] The utility model provides an automatic polishing device of transmission shaft, solves the problem proposed in the above file.

[0006] The technical scheme of the utility model is as follows: an automatic polishing device of transmission shaft, including roller assembly and support shaft, the support shaft is fixedly connected at the top of roller assembly, the circumferential surface of support shaft is fixedly penetrated with fixed plate, the top of fixed plate is fixedly connected with fixed assembly, the positive side of fixed assembly is provided with polishing device;The polishing device includes motor, the motor is fixedly penetrated on the positive side of fixed assembly, the output shaft end of motor is fixedly connected with rotating shaft, the circumferential surface of rotating shaft is fixedly connected with chain wheel, the circumferential surface of chain wheel is meshed with chain, the positive side of fixed plate is fixedly connected with support plate.

[0007] According to the above design scheme, the positive side of support plate is penetrated with reciprocating screw rod, the circumferential surface of reciprocating screw rod is screw-connected with reciprocating sleeve, the circumferential surface of reciprocating sleeve is fixedly connected with polishing ring, the inner wall of polishing ring is provided with sandpaper, the circumferential surface of reciprocating sleeve is fixedly connected with telescopic rod, the circumferential surface of reciprocating screw rod is fixedly connected with force wheel, such design is favorable for forcing reciprocating sleeve to do reciprocating linear motion when reciprocating screw rod does reciprocating linear motion.

[0008] According to the design scheme, the telescopic rod is fixedly connected to the side of the supporting plate, the force receiving wheel is meshed with the chain, and the force receiving wheel is located below the sprocket, so that the force receiving wheel can rotate clockwise through the chain.

[0009] According to the design scheme, the side of the supporting plate is provided with a fixing device, the fixing device comprises a groove, the groove is formed in the side of the supporting plate, the inner wall of the groove is slidably connected with a clamping plate, the side of the clamping plate is fixedly connected with a round rod, and the side of the supporting plate is provided with a ring groove, so that the clamping plate can clamp the transmission shaft.

[0010] According to the design scheme, the inner wall of the ring groove is slidably connected with a round shaft, the circumferential surface of the round shaft is fixedly connected with a toothed disc, the side of the toothed disc is provided with a special-shaped groove, the side of the supporting plate is rotatably connected with a force receiving rod, the circumferential surface of the force receiving rod is fixedly connected with a clamping block, and the circumferential surface of the force receiving rod is fixedly connected with a torsional spring, so that the force receiving rod can slide on the inner wall of the ring groove.

[0011] According to the design scheme, the round rod is slidably connected to the inner wall of the special-shaped groove, and a plurality of round rods are arranged on the inner wall of the supporting plate, so that the round rod can slide on the inner wall of the groove under the action of force.

[0012] According to the design scheme, the supporting plate is provided with two supporting plates which are symmetrically arranged along the vertical central axis of the top of the fixing plate, and the side cross section of the supporting plate is in a hollow shape, so that the supporting plate can support the reciprocating screw rod.

[0013] According to the design scheme, the side cross section of the clamping plate is in a special shape, and a plurality of clamping plates are arranged on the circumferential surface of the supporting plate, so that the clamping plate can clamp the transmission shaft to be machined on the inner wall of the groove, and the polishing work can be facilitated.

[0014] According to the design scheme, the roller assembly is provided with a plurality of roller assemblies which are symmetrically arranged along the vertical central axis of the bottom of the fixing plate, and the supporting shaft is provided with a plurality of supporting shafts, so that the worker can change the working position at any time through the roller assembly.

[0015] According to the design scheme, the clamping block is meshed with the toothed disc, and the sandpaper is detachable, so that the worker can replace the sandpaper according to the wear condition of the transmission shaft.

[0016] The working principle and beneficial effects of the utility model are as follows:

[0017] 1. In this utility model, the components such as the rotating shaft, sprocket, chain, and support plate work together to achieve the following: when the force wheel rotates clockwise, the reciprocating screw rotates clockwise, forcing the reciprocating sleeve to undergo reciprocating linear motion. This, in turn, drives the grinding ring to reciprocate linearly, allowing the sandpaper on the inner wall of the grinding ring to grind the drive shaft fixed to the side of the support plate. This smooths the worn areas on the drive shaft surface, ensuring that the drive shaft can continue to work normally in the future, achieving the desired grinding effect and improving the work efficiency of the workers.

[0018] 2. In this utility model, the components such as grooves, clamping plates, annular grooves, and round shafts work together to achieve the following: when the gear disc rotates counterclockwise, the locking block is forced to move downward in an arc shape through the force-bearing rod until the gear disc fixes the circumference of the transmission shaft. After the gear disc stops rotating, the locking block loses force and is reset by the torsion spring fixed on the circumference of the force-bearing rod, thus locking the locking block in place. This achieves the effect of mutual cooperation and locking between the locking block and the gear disc, which can fix the transmission shaft, facilitates the smooth progress of subsequent grinding work, improves work efficiency, and saves working time. Attached Figure Description

[0019] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0020] Figure 1 This is a three-dimensional appearance structure diagram of the present utility model;

[0021] Figure 2 This is a three-dimensional cross-sectional view of the rotating shaft of this utility model;

[0022] Figure 3 This utility model Figure 2 A three-dimensional magnified structural diagram of A in the middle;

[0023] Figure 4 This utility model Figure 2 A three-dimensional magnified structural diagram of B in the diagram;

[0024] Figure 5 This utility model Figure 2 A three-dimensional magnified structural diagram of C.

[0025] In the diagram: 1. Roller assembly; 2. Support shaft; 3. Fixing plate; 4. Fixing component; 5. Grinding device; 51. Motor; 52. Rotating shaft; 53. Sprocket; 54. Chain; 55. Support plate; 56. Reciprocating screw; 57. Reciprocating sleeve; 58. Grinding ring; 59. Sandpaper; 510. Telescopic rod; 511. Force-bearing wheel; 6. Fixing device; 61. Groove; 62. Clamping plate; 63. Round rod; 64. Ring groove; 65. Round shaft; 66. Gear plate; 67. Irregular groove; 68. Force-bearing rod; 69. Locking block; 610. Torsion spring. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be apparently and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor are involved in the protection scope of the utility model.

[0027] Embodiment 1

[0028] As shown in the figure, the embodiment provides a transmission shaft automatic polishing device, which comprises a roller assembly 1 and a supporting shaft 2, the supporting shaft 2 is fixedly connected at the top of the roller assembly 1, the circumferential surface of the supporting shaft 2 is fixedly penetrated with a fixed plate 3, the top of the fixed plate 3 is fixedly connected with a fixed assembly 4, and the front side of the fixed assembly 4 is provided with a polishing device 5. Figures 1-3 The polishing device 5 comprises a motor 51, the motor 51 is fixedly penetrated on the front side of the fixed assembly 4, the output shaft end of the motor 51 is fixedly connected with a rotating shaft 52, the circumferential surface of the rotating shaft 52 is fixedly connected with a chain wheel 53, the circumferential surface of the chain wheel 53 is mutually meshed with a chain 54, and the front side of the fixed plate 3 is fixedly connected with a supporting plate 55.

[0029] The front side of the supporting plate 55 is penetrated with a reciprocating screw rod 56, the circumferential surface of the reciprocating screw rod 56 is threadedly connected with a reciprocating screw sleeve 57, the circumferential surface of the reciprocating screw sleeve 57 is fixedly connected with a polishing ring 58, the inner wall of the polishing ring 58 is provided with an abrasive paper 59, the circumferential surface of the reciprocating screw sleeve 57 is fixedly connected with an extension rod 510, and the circumferential surface of the reciprocating screw rod 56 is fixedly connected with a force wheel 511. Such design is favorable for forcing the reciprocating screw sleeve 57 to do reciprocating linear motion when the reciprocating screw rod 56 does reciprocating linear motion.

[0030] The extension rod 510 is fixedly connected on the side of the supporting plate 55, the force wheel 511 is mutually meshed with the chain 54, and the force wheel 511 is located below the chain wheel 53. Such design is favorable for the force wheel 511 to rotate clockwise through the chain 54.

[0031] In this embodiment, first, when the staff needs to polish the transmission shaft, the staff needs to set the specific polishing time and polishing length according to the surface wear of the transmission shaft, the staff needs to turn on the external power supply, so that the motor 51 starts, forcing the rotating shaft 52 to rotate clockwise under stress, so that the sprocket 53 fixed on the circumferential surface of the rotating shaft 52 rotates clockwise, forcing the chain 54 meshing with the sprocket 53 to pull the stress wheel 511 under stress, so that the stress wheel 511 rotates clockwise, when the stress wheel 511 rotates clockwise, the reciprocating lead screw 56 rotates clockwise, forcing the reciprocating lead sleeve 57 to move reciprocatingly under stress, thereby driving the polishing ring 58 to move reciprocatingly, so that the sandpaper 59 provided on the inner wall of the polishing ring 58 polishes the transmission shaft fixed on the side of the support plate 55, so that the surface wear of the transmission shaft can be polished smooth, so that the transmission shaft can still work normally in the later period, achieving the effect of polishing and improving the work efficiency of the staff.

[0032] Embodiment 2

[0033] As Figures 3-5 shown, on the premise of the same concept as the above embodiment 1, a second embodiment is also proposed, the side of the support plate 55 is provided with a fixing device 6, the fixing device 6 comprises a groove 61, the groove 61 is opened in the side of the support plate 55, the inner wall of the groove 61 is slidably connected with a clamping plate 62, the side of the clamping plate 62 is fixedly connected with a round rod 63, the side of the support plate 55 is provided with a ring groove 64, such design is conducive to the clamping plate 62 to clamp the transmission shaft.

[0034] The inner wall of the ring groove 64 is slidably connected with a circular shaft 65, the circumferential surface of the circular shaft 65 is fixedly connected with a tooth disc 66, the side of the tooth disc 66 is provided with a special-shaped groove 67, the side of the support plate 55 is rotatably connected with a stress rod 68, the circumferential surface of the stress rod 68 is fixedly connected with a clamping block 69, and the circumferential surface of the stress rod 68 is fixedly connected with a torsional spring 610, such design is conducive to the stress of the circular shaft 65 to slide on the inner wall of the ring groove 64.

[0035] The circular shaft 63 is slidably connected in the inner wall of the special-shaped groove 67, the circular shaft 63 is provided with a plurality of circular arrays on the inner wall of the support plate 55, such design is conducive to the circular shaft 63 to drive the clamping plate 62 to slide on the inner wall of the groove 61 under stress.

[0036] The support plate 55 is provided with two, and is mutually symmetrical along the vertical central axis of the top of the fixed plate 3, the side cross section of the support plate 55 is provided in a hollow shape, such design is conducive to the support plate 55 to support the reciprocating lead screw 56.

[0037] The side section of the clamping plate 62 is set in an irregular shape. There are several clamping plates 62, which are arranged in a circular array on the circumferential surface of the support plate 55. This design is conducive to the clamping plate 62 clamping the transmission shaft to be processed on the inner wall of the groove 61, which facilitates the grinding work.

[0038] The roller assembly 1 has several rollers, which are symmetrical to each other along the vertical central axis of the bottom of the fixed plate 3. The support shaft 2 has several rollers. This design allows workers to change their work location at any time using the roller assembly 1.

[0039] The locking block 69 meshes with the gear disc 66, and the sandpaper 59 is designed to be detachable. This design allows workers to replace the sandpaper 59 according to the wear condition of different drive shafts.

[0040] In this embodiment, in the grinding device 5, in order to fix the drive shaft during the grinding process, before the machine body grinds the drive shaft, the operator needs to rotate the gear disk 66 counterclockwise, so that the gear disk 66 slides on the inner wall of the annular groove 64 through the round shaft 65, thereby causing the round rod 63 to slide on the inner wall of the irregular groove 67, forcing the clamping plate 62 to extend, thereby fixing the circumferential surface of the drive shaft. To prevent the gear disk 66 from reversing, when the gear disk 66 rotates counterclockwise, the locking block 69 is subjected to... The force travels downwards in an arc through the force-bearing rod 68 until the gear plate 66 fixes the circumference of the drive shaft. After the gear plate 66 stops rotating, the locking block 69 loses its force and resets through the torsion spring 610 fixed on the circumference of the force-bearing rod 68. This causes the locking block 69 to lock the gear plate 66, achieving a locking effect by engaging with the gear plate 66. This fixes the drive shaft, facilitating smooth grinding work, improving work efficiency, and saving time.

[0041] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A drive shaft automatic polishing device, characterized by, Including the roller assembly (1) and the support shaft (2), the support shaft (2) is fixedly connected at the top of the roller assembly (1), the circumferential surface of the support shaft (2) is fixedly penetrated by the fixed plate (3), the top of the fixed plate (3) is fixedly connected with the fixed assembly (4), the front side of the fixed assembly (4) is provided with polishing device (5); The polishing device (5) includes a motor (51), the motor (51) is fixedly penetrated in the front side of the fixed assembly (4), the output shaft end of the motor (51) is fixedly connected with the rotating shaft (52), the circumferential surface of the rotating shaft (52) is fixedly connected with the chain wheel (53), the circumferential surface of the chain wheel (53) is engaged with the chain (54), the front side of the fixed plate (3) is fixedly connected with the support plate (55).

2. The automatic transmission shaft polishing device according to claim 1, wherein The front side of the support plate (55) is penetrated by the reciprocating screw rod (56), the circumferential surface of the reciprocating screw rod (56) is threadedly connected with the reciprocating sleeve (57), the circumferential surface of the reciprocating sleeve (57) is fixedly connected with the polishing ring (58), the inner wall of the polishing ring (58) is provided with sandpaper (59), the circumferential surface of the reciprocating sleeve (57) is fixedly connected with the telescopic rod (510), and the circumferential surface of the reciprocating screw rod (56) is fixedly connected with the force wheel (511).

3. A drive shaft automatic polishing device according to claim 2, characterized in that, The telescopic rod (510) is fixedly connected to the side of the support plate (55), the force wheel (511) is engaged with the chain (54), and the force wheel (511) is located below the chain wheel (53).

4. A drive shaft automatic polishing device according to claim 3, characterized in that, The side of the support plate (55) is provided with a fixing device (6), the fixing device (6) includes a groove (61), the groove (61) is formed in the side of the support plate (55), the inner wall of the groove (61) is slidably connected with a clamping plate (62), the side of the clamping plate (62) is fixedly connected with a round rod (63), and the side of the support plate (55) is provided with a ring groove (64).

5. A drive shaft automatic polishing device according to claim 4, wherein The inner wall of the ring groove (64) is slidably connected with a circular shaft (65), the circumferential surface of the circular shaft (65) is fixedly connected with a toothed disc (66), the side of the toothed disc (66) is provided with a special-shaped groove (67), the side of the support plate (55) is rotatably connected with a force rod (68), the circumferential surface of the force rod (68) is fixedly connected with a clamping block (69), and the circumferential surface of the force rod (68) is fixedly connected with a torsional spring (610).

6. A drive shaft automatic polishing device according to claim 5, wherein The round rod (63) is slidably connected to the inner wall of the special-shaped groove (67), the round rod (63) is provided with a plurality of round rods, and the circumferential surface of the round rod (63) is arranged on the inner wall of the support plate (55).

7. A drive shaft automatic polishing device according to claim 6, wherein The support plate (55) is provided with two, and is symmetrical along the vertical central axis of the top of the fixed plate (3), and the side cross section of the support plate (55) is provided with a hollow shape.

8. A drive shaft automatic polishing device according to claim 7, characterized in that, The clamping plate (62) is provided with a plurality of clamping plates, and the circumferential surface of the clamping plate (62) is arranged on the circumferential surface of the support plate (55).

9. A drive shaft automatic polishing device according to claim 8, characterized in that, The roller assembly (1) is provided with a plurality of roller assemblies, and is symmetrical along the vertical central axis of the bottom of the fixed plate (3), and the support shaft (2) is provided with a plurality of support shafts.

10. The automatic transmission shaft polishing device according to claim 9, wherein The clamping block (69) is engaged with the toothed disc (66), and the sandpaper (59) is provided with a detachable structure.

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