Rotating shaft polishing device

By designing an automated shaft grinding device, the motor and belt system are used to automatically clamp and polish the shaft, the safety hazards and inefficiency problems of traditional handheld grinding are solved, and the operation safety and grinding efficiency are improved.

CN222874038UActive Publication Date: 2025-05-16WUHAN UNIV OF SCI & TECH
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Patent Information

Application Number
CN202421395648.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-05-16
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

Traditional shaft grinding devices require manual handheld shaft grinding, resulting in uneven grinding, posing safety hazards, reducing operating efficiency and increasing workload.

Method used

A rotary shaft grinding device is designed, which drives the threaded rod and the mobile station to rotate through the first motor to fix the rotary shaft, and drives the belt and the L-shaped connecting rod to move through the third motor to realize automatic grinding of different positions of the rotary shaft.

Benefits of technology

The device can automatically clamp and polish rotating shafts of different lengths and positions, improving operational safety, reducing the workload of the operator, and improving grinding efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rotating shaft polishing device which comprises a workbench, a base is installed on the upper surface of the workbench, a baffle is installed on the upper surface of the workbench, a first motor is installed on the left side surface of the base, and the output end of the first motor penetrates through the left side surface of the base and extends to the right side. Threaded rods are rotationally installed on the front portion and the rear portion of the right side of the inner wall of the base correspondingly, one end of the rear threaded rod is fixed to the output end of a first motor, a first belt is rotationally installed on the wheel walls of the two threaded rods jointly, the first motor rotates to drive the threaded rods to rotate, and the threaded rods drive the moving table to move left and right. A second motor mounted on the moving table drives a first positioning block mounted at the output end to fix one end of the rotating shaft, and then the moving table moves rightwards until the other end of the rotating shaft is clamped with a second positioning block mounted on a fixed block, so that rotating shafts with different lengths can be conveniently clamped and fixed; and operators do not need to hold the rotating shaft by hands to polish the rotating shaft, so that the safety of the operators is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of rotating shaft grinding, in particular to a rotating shaft grinding device. Background Art

[0002] A shaft, as the name suggests, is an axis that must be used to connect the main parts of a product and is used to withstand both bending and torque during rotation. Common shafts include: mobile phone shafts (flip or rotating screen phones); laptop shafts; portable DVD shafts; LED desk lamp shafts; LCD display shafts; GPS and other vehicle-mounted bracket shafts, etc.

[0003] Most traditional grinding devices do not have a fixed rotating shaft and need to be manually held to grind. Uneven grinding may cause accidental injuries to the operator, reduce the operator's safety, reduce grinding efficiency, and increase the operator's workload.

[0004] Therefore, a rotating shaft grinding device is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a rotating shaft grinding device to solve the problem proposed in the above background technology that the rotating shaft needs to be manually held for grinding, uneven grinding may cause accidental injuries to the operator, reduce the safety of the operator, reduce the grinding efficiency, and increase the workload of the operator.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotating shaft grinding device comprises a workbench, a base is installed on the upper surface of the workbench, a baffle is installed on the upper surface of the workbench, a first motor is installed on the left surface of the base, the output end of the first motor passes through the left surface of the base and extends to the right side, threaded rods are rotatably installed on the front and rear sides of the right side of the inner wall of the base, one end of the rear threaded rod is fixed to the output end of the first motor, a first belt is rotatably installed on the wheel walls of the two threaded rods, a pulley is installed on the right side of the two threaded rods, a moving platform is threadedly installed on the rod walls of the two pulleys, a cushion block is installed on the upper surface of the moving platform, a second motor is installed on the inner wall of the cushion block, a first positioning block is installed on the output end of the second motor, a fixed block is installed on the right side of the upper surface of the workbench, a rotating shaft is rotatably installed on the left surface of the fixed block, a second positioning block is installed on the left end of the rotating shaft, a rotating shaft is jointly arranged on the opposite side of the first positioning block and the inner wall of the fixed block, and a moving mechanism is arranged on the rear side surface of the workbench.

[0007] Preferably, the moving mechanism includes a slot, which is opened on the rear surface of the workbench, and a third motor is installed on the right side of the lower surface of the workbench, and the output end of the third motor passes through the lower surface of the workbench and extends to below the inner wall of the slot, and rotating wheels are rotatably installed on the left and right sides below the inner wall of the slot, and the bottom end of the rotating wheel on the left is fixed to the output end of the third motor, and a second belt is rotatably installed on the outer walls of the two rotating wheels, and an L-shaped connecting rod is installed on the outer wall of the second belt, and a grinding mechanism is provided on the lower surface of the L-shaped connecting rod.

[0008] Preferably, the grinding mechanism includes a frame, the lower surface of the frame is fixed to the upper surface of the L-shaped connecting rod, a cylinder is installed above the inner wall of the frame, the output end of the cylinder passes through the upper surface of the L-shaped connecting rod and extends to the lower surface of the L-shaped connecting rod, the output end of the cylinder is installed with a mounting plate, the lower surface of the mounting plate is installed with a fourth motor, and the output end of the fourth motor is installed with a grinding head.

[0009] Preferably, a groove is provided on the front surface of the workbench, a dust box is slidably mounted on the inner wall of the groove, and a handle is mounted on the front surface of the dust box.

[0010] Preferably, support legs are installed at the four corners of the lower surface of the workbench, and anti-slip pads are installed on the lower surfaces of the plurality of support legs.

[0011] Preferably, a connecting plate is installed on the rear surface of the workbench, an opening is provided on the upper surface of the connecting plate, and the L-shaped connecting rod is slidably installed in the opening.

[0012] Preferably, the L-shaped connecting rod is provided with a hole, and a connecting block is installed in the hole.

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

[0014] (1) The utility model can drive the threaded rod to rotate by rotating the first motor, and the threaded rod drives the movable platform to move left and right. The second motor installed on the movable platform drives the first positioning block installed on the output end to fix one end of the rotating shaft. Then the movable platform moves to the right to the other end of the rotating shaft and tightens it with the second positioning block installed on the fixed block. In this way, it is convenient to clamp and fix the rotating shafts of different lengths, and the operator does not need to grind the rotating shaft by hand, which improves the safety of the operator.

[0015] (2) When grinding different positions of the rotating shaft, the cylinder is turned on to push the fourth motor down to the specified position, and then the fourth motor is turned on to grind the rotating shaft. The second belt is driven to rotate through the output end of the third motor, and the rotation of the second belt drives the L-shaped connecting rod to move left and right. This makes it convenient to grind different positions, replaces manual grinding by operators, reduces the workload of operators, and improves grinding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front structural schematic diagram of a rotating shaft grinding device proposed by the utility model;

[0017] Figure 2 This is a front cross-sectional structural schematic diagram of a rotating shaft grinding device proposed by the utility model;

[0018] Figure 3 This is a left-side structural schematic diagram of a rotating shaft grinding device proposed by the utility model;

[0019] Figure 4 This is a left-side cross-sectional structural schematic diagram of a rotating shaft grinding device proposed by the utility model;

[0020] Figure 5 The utility model is a rear structural schematic diagram of a rotating shaft grinding device.

[0021] In the figure: 1. workbench; 2. base; 3. baffle; 4. first motor; 5. threaded rod; 6. first belt; 7. pulley; 8. moving table; 9. cushion block; 10. second motor; 11. first positioning block; 12. fixed block; 13. rotating shaft; 14. second positioning block; 15. rotating shaft; 16. notch; 17. third motor; 18. rotating wheel; 19. second belt; 20. connecting plate; 21. opening; 22. L-shaped connecting rod; 23. connecting block; 24. frame; 25. cylinder; 26. mounting plate; 27. fourth motor; 28. grinding head; 29. ​​dust box; 30. handle; 31. supporting leg. DETAILED DESCRIPTION

[0022] 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. 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 creative work are within the scope of protection of the utility model.

[0023] Example: See Figure 1-5The utility model provides a technical solution: a rotating shaft grinding device, comprising a workbench 1; characterized in that: a base 2 is installed on the upper surface of the workbench 1, a baffle 3 is installed on the upper surface of the workbench 1, a first motor 4 is installed on the left surface of the base 2, the output end of the first motor 4 passes through the left surface of the base 2 and extends to the right side, threaded rods 5 are rotatably installed on the front and rear sides of the right side of the inner wall of the base 2, one end of the rear threaded rod 5 is fixed to the output end of the first motor 4, a first belt 6 is rotatably installed on the wheel walls of the two threaded rods 5, a pulley 7 is installed on the right side of the two threaded rods 5, a moving platform 8 is threadedly installed on the rod walls of the two pulleys 7, a cushion block 9 is installed on the upper surface of the moving platform 8, a second motor 10 is installed on the inner wall of the cushion block 9, and a first positioning block is installed on the output end of the second motor 10 11. A fixed block 12 is installed on the right side of the upper surface of the workbench 1, and a rotating shaft 13 is rotatably installed on the left surface of the fixed block 12. A second positioning block 14 is installed on the left end of the rotating shaft 13. A rotating shaft 15 is commonly provided on the opposite side of the inner wall of the first positioning block 11 and the fixed block 12. A moving mechanism is provided on the rear surface of the workbench 1. The threaded rod 5 is driven to rotate by the rotation of the first motor 4, and the threaded rod 5 drives the moving platform 8 to move left and right. The second motor 10 installed on the moving platform 8 drives the first positioning block 11 installed on the output end to fix one end of the rotating shaft 15, and then the moving platform 8 moves to the right to the other end of the rotating shaft 15 and is tightened with the second positioning block 14 installed on the fixed block 12. This makes it convenient to clamp and fix the rotating shafts 15 of different lengths, and the operator does not need to grind the rotating shaft 15 by hand, thereby improving the safety of the operator.

[0024] See also Figure 5 The moving mechanism includes a notch 16, which is opened on the rear surface of the workbench 1. A third motor 17 is installed on the right side of the lower surface of the workbench 1. The output end of the third motor 17 passes through the lower surface of the workbench 1 and extends to the bottom of the inner wall of the notch 16. Rotating wheels 18 are rotatably installed on both the left and right sides below the inner wall of the notch 16. The bottom end of the rotating wheel 18 on the left is fixed to the output end of the third motor 17. The outer walls of the two rotating wheels 18 are rotatably installed with a second belt 19. The outer wall of the second belt 19 An L-shaped connecting rod 22 is installed, and a grinding mechanism is provided on the lower surface of the L-shaped connecting rod 22. When grinding different positions of the rotating shaft 15, the cylinder 25 is turned on to push the fourth motor 27 to descend to a specified position, and then the fourth motor 27 is turned on to grind the rotating shaft 15. The second belt 19 is driven to rotate by the output end of the third motor 17. The rotation of the second belt 19 drives the L-shaped connecting rod 22 to move left and right, which makes it convenient to grind different positions instead of manual grinding by the operator, reduces the workload of the operator, and improves the grinding efficiency.

[0025] See also Figure 2 In order to facilitate the replacement of the grinding head 28, the grinding mechanism includes a frame 24, the lower surface of the frame 24 is fixed to the upper surface of the L-shaped connecting rod 22, and a cylinder 25 is installed above the inner wall of the frame 24. The output end of the cylinder 25 passes through the upper surface of the L-shaped connecting rod 22 and extends to the lower surface of the L-shaped connecting rod 22. A mounting plate 26 is installed at the output end of the cylinder 25, and a fourth motor 27 is installed on the lower surface of the mounting plate 26. A grinding head 28 is installed at the output end of the fourth motor 27. This arrangement facilitates the replacement of the grinding head 28, is simple to operate, and saves time and effort.

[0026] See also Figure 1 , Figure 2 In order to collect the grinding debris on the rotating shaft 15, a groove is provided on the front surface of the workbench 1, and a dust box 29 is slidably installed on the inner wall of the groove. A handle 30 is installed on the front surface of the dust box 29. This arrangement can collect the grinding debris on the rotating shaft 15, which is convenient for subsequent operators to clean up.

[0027] See also Figure 1 In order to increase the stability of the grinding device, support legs 31 are installed at the four corners of the lower surface of the workbench 1, and anti-slip pads are installed on the lower surfaces of multiple support legs 31. This arrangement provides higher stability when grinding the rotating shaft 15.

[0028] See also Figure 5 In order to better transmit the L-shaped connecting rod 22, the L-shaped connecting rod 22 is provided with a hole, and a connecting block is installed in the hole. Such a setting facilitates the transmission of the L-shaped connecting rod 22 and has high transmission efficiency.

[0029] The working principle is as follows: all electrical equipment of the device are turned on by an external power supply. When in use, the first motor 4 is turned on to drive the threaded rod 5 to rotate through the first belt 6. The rotation of the threaded rod 5 drives the moving platform 8 to move left and right. The moving platform 8 drives the second motor 10 installed on the upper surface to move. One end of the rotating shaft 15 is fixed by the first positioning block 11 installed at the output end of the second motor 10, and the other end is fixed to the second positioning block 14 installed on the left surface of the fixing block 12 installed on the right side of the upper surface of the workbench 1. At this time, the second motor 10 is started to drive the rotating shaft 15 to rotate, and the third motor 17 is started to drive the rotating wheel 18 installed at the output end to rotate. The rotation of the rotating wheel 18 drives the second belt 19 to rotate. The rotation of the second belt 19 drives the connecting block 23 to move left and right. The movement of the connecting block 23 drives the clamped frame 24 to move left and right at the same time. The movement of the connecting block 23 drives the cylinder 25 installed on the upper surface to move to grind different positions of the rotating shaft 15. After the grinding is completed, the debris that falls off will fall into the dust box 29 for centralized collection, which is convenient for the operator to clean up.

[0030] 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 rotating shaft grinding device, comprising a workbench (1); characterized in that: A base (2) is installed on the upper surface of the workbench (1), a baffle (3) is installed on the upper surface of the workbench (1), a first motor (4) is installed on the left surface of the base (2), the output end of the first motor (4) passes through the left surface of the base (2) and extends to the right side, threaded rods (5) are rotatably installed on the front and rear sides of the right side of the inner wall of the base (2), one end of the rear threaded rod (5) is fixed to the output end of the first motor (4), the wheel walls of the two threaded rods (5) are rotatably installed with a first belt (6), the right sides of the two threaded rods (5) are each installed with a pulley (7), and the rod walls of the two pulleys (7) are connected to each other. A movable platform (8) is installed with the same thread, a cushion block (9) is installed on the upper surface of the movable platform (8), a second motor (10) is installed on the inner wall of the cushion block (9), a first positioning block (11) is installed on the output end of the second motor (10), a fixed block (12) is installed on the right side of the upper surface of the workbench (1), a rotating shaft (13) is rotatably installed on the left surface of the fixed block (12), a second positioning block (14) is installed on the left end of the rotating shaft (13), a rotating shaft (15) is commonly provided on the opposite side of the inner wall of the first positioning block (11) and the fixed block (12), and a movable mechanism is provided on the rear side surface of the workbench (1).

2. A rotating shaft grinding device according to claim 1, characterized in that: The moving mechanism comprises a notch (16), wherein the notch (16) is arranged on the rear side surface of the workbench (1), a third motor (17) is installed on the right side of the lower surface of the workbench (1), an output end of the third motor (17) passes through the lower surface of the workbench (1) and extends to below the inner wall of the notch (16), rotating wheels (18) are rotatably installed on both the left and right sides below the inner wall of the notch (16), the bottom end of the rotating wheel (18) on the left side is fixed to the output end of the third motor (17), a second belt (19) is rotatably installed on the outer walls of the two rotating wheels (18), an L-shaped connecting rod (22) is installed on the outer wall of the second belt (19), and a grinding mechanism is arranged on the lower surface of the L-shaped connecting rod (22).

3. A rotating shaft grinding device according to claim 2, characterized in that: The grinding mechanism comprises a frame (24), the lower surface of the frame (24) is fixed to the upper surface of the L-shaped connecting rod (22), a cylinder (25) is installed above the inner wall of the frame (24), the output end of the cylinder (25) passes through the upper surface of the L-shaped connecting rod (22) and extends to the lower surface of the L-shaped connecting rod (22), a mounting plate (26) is installed at the output end of the cylinder (25), a fourth motor (27) is installed on the lower surface of the mounting plate (26), and a grinding head (28) is installed at the output end of the fourth motor (27).

4. A rotating shaft grinding device according to claim 1, characterized in that: The front surface of the workbench (1) is provided with a groove, the inner wall of the groove is slidably mounted with a dust collecting box (29), and the front surface of the dust collecting box (29) is mounted with a handle (30).

5. A rotating shaft grinding device according to claim 1, characterized in that: Support legs (31) are installed at the four corners of the lower surface of the workbench (1), and anti-slip pads are installed on the lower surfaces of the plurality of support legs (31).

6. A rotating shaft grinding device according to claim 3, characterized in that: A connecting plate (20) is installed on the rear surface of the workbench (1), an opening (21) is provided on the upper surface of the connecting plate (20), and the L-shaped connecting rod (22) is slidably installed in the opening (21).

7. A rotating shaft grinding device according to claim 3, characterized in that: The L-shaped connecting rod (22) is provided with a hole, and a connecting block (23) is installed in the hole.