Harvester transmission shaft polishing device

Abstract

The utility model discloses a harvester transmission shaft polishing device, and relates to the technical field of polishing devices, the harvester transmission shaft polishing device comprises an operation table, the operation table is in an arc shape, a sliding ring is arranged on the operation table in a sliding mode, the lower surface of the top of the sliding ring is fixedly connected with an elastic telescopic rod, and the bottom end of the elastic telescopic rod is fixedly connected with a polishing frame. The polishing frame is in an inverted V shape, polishing belts are fixedly connected to the inner inclined walls of the two sides of the polishing frame, when the sliding ring drives the polishing frame to move, the transmission shaft rotates, the polishing belts are attached to the transmission shaft for polishing, a sliding channel is formed in the bottom end of the operation table, and a sliding block is arranged in the sliding channel in a sliding mode. According to the harvester transmission shaft polishing device, by arranging the sliding ring, the polishing frame and other structures, movement of the polishing belt, rotation of the transmission shaft and rapid grinding and polishing are achieved at the same time, manual hand holding is not needed, the polishing belt moves step by step in the axial direction of the transmission shaft, omission is avoided, and the polishing efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of polishing device technology, and in particular to a polishing device for a harvester drive shaft. Background Technology

[0002] In harvesters, the drive shaft is responsible for transmitting power, its function being to transfer the engine's power to various working components, such as the header, peeler, and thresher. Drive shafts are widely used in harvesters, offering advantages including flexible direction, low power loss, and high power transmission.

[0003] Polishing is required during the machining of drive shafts. The main benefits of polishing for drive shafts are as follows: improving surface smoothness, enhancing wear resistance and strength, improving transmission efficiency, and removing burrs and oxide scale.

[0004] In existing drive shaft polishing devices, workers typically need to hold the drive shaft by hand during use. This polishing method is not only inefficient but may also cause injury to the operator. Furthermore, when polishing long and thick drive shafts, manual handling is strenuous and prone to omissions, leaving some areas unpolished. Therefore, the efficiency of use needs to be improved.

[0005] Therefore, it is necessary to propose a polishing device for the drive shaft of a harvester to solve the above problems. Utility Model Content

[0006] The purpose of this utility model is to provide a polishing device for the transmission shaft of a harvester, so as to solve the problems of the existing transmission shaft polishing device, which usually requires the worker to hold the transmission shaft by hand. This polishing method is not only inefficient, but may also cause injury to the operator. Secondly, when polishing long and thick transmission shafts, it is difficult to hold them by hand, and it is easy to miss some areas and some parts are not polished, so the efficiency needs to be improved.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a polishing device for a harvester drive shaft, comprising an operating table, the operating table being arc-shaped, a slip ring slidably disposed on the operating table, an elastic telescopic rod fixedly connected to the lower surface of the top of the slip ring, a polishing frame fixedly connected to the bottom end of the elastic telescopic rod, the polishing frame being inverted V-shaped, and polishing belts fixedly connected to the inner inclined walls on both sides of the polishing frame; when the slip ring drives the polishing frame to move, the drive shaft rotates, and the polishing belts adhere to the drive shaft for polishing.

[0008] Preferably, the bottom of the operating table is provided with a sliding channel, and a slider is slidably arranged inside the sliding channel, and the slider is fixedly connected to the bottom of the slip ring.

[0009] Preferably, the bottom end of the operation platform is provided with a lead screw, a threaded hole matched with the lead screw is formed in the sliding block, a motor is fixedly connected to the operation platform, and the lead screw is fixedly connected to a driving shaft of the motor.

[0010] Preferably, the two ends of the operation platform are both fixedly connected with a support column, a circular groove is formed through the top of the support column, and a rotating disc is rotatably arranged in the circular groove; one of the rotating discs is fixedly connected with a rotating shaft, one end of the rotating shaft close to the polishing frame is fixedly connected with a second clamping sleeve; the other rotating disc is fixedly connected with an electric push rod, and a through hole is formed in the rotating disc for the electric push rod to pass through; the electric push rod is fixedly connected with a first clamping sleeve at the extending end of the electric push rod, and the first clamping sleeve is matched with the second clamping sleeve.

[0011] Preferably, a transmission assembly is arranged between the lead screw and the rotating shaft, the transmission assembly comprises a first gear, a second gear and a chain, the first gear is fixedly connected to the rotating shaft, the second gear is fixedly connected to the lead screw, and the first gear and the second gear are transmissionally connected through the chain.

[0012] Preferably, the four corners of the bottom of the operation platform are all fixedly connected with support columns.

[0013] The technical effects and advantages of the present utility model are as follows:

[0014] 1. The sliding ring and the polishing frame are arranged, the movement of the polishing belt and the rotation of the transmission shaft are simultaneously realized, the polishing is quickly performed, manual holding is not needed, the polishing belt moves along the axial direction of the transmission shaft, the omission is avoided, and the polishing efficiency is improved.

[0015] 2. The electric push rod, the first clamping sleeve and the second clamping sleeve are matched to position the transmission shaft, manual holding is not needed during the polishing process, and the stability of the polishing is improved. DRAWINGS

[0016] Fig. 1 It is a perspective view of the structure of the harvester transmission shaft polishing device.

[0017] Fig. 2 It is another perspective view of the structure of the harvester transmission shaft polishing device.

[0018] Fig. 3 It is a structure diagram of the elastic telescopic rod and the polishing frame.

[0019] In the drawings: 1, operation platform; 2, sliding ring; 3, polishing frame; 4, polishing belt; 5, elastic telescopic rod; 6, sliding channel; 7, sliding block; 8, lead screw; 9, motor; 10, support column; 11, rotating disc; 12, electric push rod; 13, first clamping sleeve; 14, rotating shaft; 15, second clamping sleeve; 16, first gear; 17, second gear; 18, chain. DETAILED DESCRIPTION

[0020] The utility model provides a kind of harvester transmission shaft polishing device as Figs. 1-3 As shown in a kind of polishing device of transmission shaft, including operation platform 1, operation platform 1 is arc shape, and the four corners of the bottom of operation platform 1 are all fixedly connected with support column.

[0021] Slip ring 2 is slidably arranged on operation platform 1, and the lower surface of the top of slip ring 2 is fixedly connected with elastic telescopic link 5, the bottom end of elastic telescopic link 5 is fixedly connected with polishing frame 3, polishing frame 3 is inverted V shape, and polishing belt 4 is fixedly connected on the two side inner inclined walls of polishing frame 3, and polishing belt 4 is structure with sandpaper, which can be adjusted according to specific use.

[0022] Both ends of operation platform 1 are fixedly connected with support column 10, and the top of support column 10 is penetrated with circular groove, and rotary disc 11 is rotatably arranged in the inside of circular groove; when being used, ball bearing or the like is arranged between rotary disc 11 and the inner wall of circular groove to improve the fluency of rotary disc 11 rotation. One of rotary disc 11 is fixedly connected with rotating shaft 14, and the end of rotating shaft 14 close to polishing frame 3 is fixedly connected with second clamp sleeve 15; the other rotary disc 11 is fixedly connected with electric push rod 12, and the through hole is formed in rotary disc 11 for the telescopic end of electric push rod 12 to pass through, and the telescopic end of electric push rod 12 is fixedly connected with first clamp sleeve 13, and first clamp sleeve 13 cooperates with second clamp sleeve 15.

[0023] Through the cooperation of electric push rod 12, first clamp sleeve 13 and second clamp sleeve 15, the transmission shaft is positioned, and manual holding is not required during polishing, especially for large transmission shaft in harvester, to improve the stability of polishing.

[0024] Specifically, the telescopic end of electric push rod 12 is controlled to be retracted, to drive first clamp sleeve 13 to move away from second clamp sleeve 15, the distance between first clamp sleeve 13 and second clamp sleeve 15 is expanded, one end of the transmission shaft is inserted into the inside of second clamp sleeve 15, then the transmission shaft is adjusted to be horizontal, the other end corresponds to first clamp sleeve 13, the telescopic end of electric push rod 12 is controlled to be extended, to drive first clamp sleeve 13 to move towards the transmission shaft, so that the other end of the transmission shaft is inserted into the inside of first clamp sleeve 13, and first clamp sleeve 13 cooperates with second clamp sleeve 15 to position the transmission shaft.

[0025] When the transmission shaft is fixed between first clamp sleeve 13 and second clamp sleeve 15, under the elastic force of elastic telescopic link 5, polishing belt 4 on the two side inner inclined walls of polishing frame 3 is adhered to the transmission shaft.

[0026] Since polishing frame 3 is inverted V shape, it can be suitable for transmission shafts of various sizes.

[0027] The bottom end of the operation table 1 is provided with a sliding channel 6, the inside of the sliding channel 6 is slidably provided with a sliding block 7, and the sliding block 7 is fixedly connected to the bottom end of the sliding ring 2. The bottom end of the operation table 1 is provided with a lead screw 8, a threaded hole matched with the lead screw 8 is formed in the sliding block 7, and a motor 9 is fixedly connected to the operation table 1. The lead screw 8 is fixedly connected to the driving shaft of the motor 9.

[0028] Specifically, the motor 9 drives the lead screw 8 to rotate, and since the threaded hole matched with the lead screw 8 is formed in the sliding block 7, the sliding ring 2 is driven to move on the operation table 1.

[0029] The lead screw 8 and the rotating shaft 14 are provided with a transmission assembly, the transmission assembly includes a first gear 16, a second gear 17 and a chain 18, the first gear 16 is fixedly connected to the rotating shaft 14, the second gear 17 is fixedly connected to the lead screw 8, and the first gear 16 and the second gear 17 are transmissionally connected through the chain 18.

[0030] When the motor 9 drives the lead screw 8 to rotate, the second gear 17 rotates synchronously, since the first gear 16 and the second gear 17 are transmissionally connected through the chain 18, the first gear 16 drives the rotating shaft 14 to rotate, and at this time, the transmission shaft is fixed between the first sleeve 13 and the second sleeve 15, so that the transmission shaft rotates, that is, when the sliding ring 2 drives the polishing frame 3 to move, the transmission shaft rotates.

[0031] By setting the sliding ring 2, the polishing frame 3 and other structures, the movement of the polishing belt 4 and the rotation of the transmission shaft are realized at the same time, the polishing is quickly polished without manual holding, and the polishing belt 4 gradually moves along the axial direction of the transmission shaft, avoiding omission and improving the polishing efficiency.

Claims

1. A harvester drive shaft polishing device comprising an operating table (1), characterized in that: The operation platform (1) is in arc shape, the sliding ring (2) is slidably arranged on the operation platform (1), the lower surface of the top of the sliding ring (2) is fixedly connected with the elastic telescopic rod (5), the bottom end of the elastic telescopic rod (5) is fixedly connected with the polishing frame (3), the polishing frame (3) is in inverted V shape, the polishing belt (4) is fixedly connected on the two side inner inclined walls of the polishing frame (3), when the polishing frame (3) is moved by the sliding ring (2), the transmission shaft rotates, and the polishing belt (4) is attached on the transmission shaft to polish.

2. A harvester drive shaft polishing apparatus as claimed in claim 1, wherein: The bottom end of the operation platform (1) is provided with a sliding channel (6), the sliding channel (6) is slidably provided with a sliding block (7), and the sliding block (7) is fixedly connected to the bottom end of the sliding ring (2).

3. A harvester drive shaft polishing apparatus as claimed in claim 2, wherein: The bottom end of the operation platform (1) is provided with a lead screw (8), a threaded hole matched with the lead screw (8) is formed in the sliding block (7), and the operation platform (1) is fixedly connected with a motor (9), and the lead screw (8) is fixedly connected to the driving shaft of the motor (9).

4. A harvester drive shaft polishing apparatus as claimed in claim 3, wherein: Both ends of the operation platform (1) are fixedly connected with a support column (10), a circular groove is formed in the top of the support column (10), and a rotating disc (11) is rotatably arranged in the circular groove, one rotating disc (11) is fixedly connected with a rotating shaft (14), a second clamp sleeve (15) is fixedly connected to one end of the rotating shaft (14) close to the polishing frame (3), the other rotating disc (11) is fixedly connected with an electric push rod (12), and a through hole is formed in the rotating disc (11) for the telescopic end of the electric push rod (12) to pass through, a first clamp sleeve (13) is fixedly connected to the telescopic end of the electric push rod (12), and the first clamp sleeve (13) is matched with the second clamp sleeve (15).

5. A harvester drive shaft polishing apparatus as claimed in claim 4, wherein: A transmission assembly is arranged between the lead screw (8) and the rotating shaft (14), the transmission assembly comprises a first gear (16), a second gear (17) and a chain (18), the first gear (16) is fixedly connected to the rotating shaft (14), the second gear (17) is fixedly connected to the lead screw (8), and the first gear (16) and the second gear (17) are drivingly connected through the chain (18).

6. A harvester drive shaft polishing apparatus as defined in claim 1, wherein: Support columns are fixedly connected to the four corners of the bottom of the operation platform (1).

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