Pneumatic clamp special for flywheel drilling and milling

By designing a pneumatic fixture structure that combines the linking slide, guide roller, cylinder and small motor, the problem that existing fixtures are difficult to adapt to the flywheel and clamping structures of different sizes is difficult to replace, and the function of efficient flywheel processing and rapid adjustment of the support ring position is achieved.

CN222643887UActive Publication Date: 2025-03-21MIANYANG ZHONGLIAN MASCH MFG CO LTD
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Patent Information

Application Number
CN202421388166.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-03-21
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

The clamping size of existing pneumatic clamps is fixed, making it difficult to adapt to flywheels of different sizes, and the clamping structure is integrated and difficult to replace, affecting processing accuracy and efficiency.

Method used

A pneumatic clamp for drilling and milling of flywheels is designed, and a combined structure connecting the slide plate, the first spring, the guide roller, the cylinder, the traction rope, the sealing piston, the connecting rack and the transmission gear is designed to facilitate the clamping of the flywheels of different sizes while positioning the center by itself. At the same time, through the cooperation of a small motor and a transmission screw, the support ring position can be quickly adjusted, making it easier to drill holes at different locations. The clamping blocks are quickly replaced.

Benefits of technology

It realizes convenient clamping of flywheels of different sizes while positioning itself by center, quickly adjusting the position of the support ring, avoiding interference, improving processing efficiency, and conveniently changing the clamping blocks, reducing maintenance difficulty.

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    Figure CN222643887U_ABST
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Abstract

The utility model discloses a special pneumatic clamp for flywheel drilling and milling, and relates to the technical field of pneumatic clamps, in particular to a special pneumatic clamp for flywheel drilling and milling, which comprises a shell, a connecting sliding chute is arranged in the shell, a connecting sliding plate is connected in the connecting sliding chute in a sliding manner, and a connecting sliding rod is arranged in the connecting sliding chute. First springs are arranged on the outer surfaces of the connecting sliding plates, the ends, away from the connecting sliding plates, of the first springs are arranged on the inner walls of the connecting sliding grooves, supporting bases are arranged on the inner walls of the shell, guide rollers are rotationally connected into the supporting bases, and an air cylinder is arranged at the lower end of the shell. According to the pneumatic clamp special for flywheel drilling and milling machining, through cooperative arrangement of the connecting sliding plate, the first spring, the guide roller, the air cylinder, the traction rope, the sealing piston, the connecting rack and the conveying gear, the pneumatic clamp special for flywheel drilling and milling machining has the effects that flywheels of different sizes can be conveniently clamped, and meanwhile center positioning can be automatically conducted.
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Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic clamps, in particular to a pneumatic clamp dedicated for flywheel drilling and milling processing. Background Art

[0002] With the development of processing and manufacturing industry, high-speed cutting has greatly shortened the man-hours and improved labor productivity. It is necessary to promote pneumatic clamps, which are easy to operate and can greatly reduce labor intensity. Pneumatic response speed is fast, thus shortening auxiliary time in production and improving productivity. Pneumatic clamps do not have high requirements for pneumatic components and are easy to manufacture. At the same time, pneumatic clamps are convenient for modern manufacturing. During the drilling and milling process of the flywheel, clamps are required for fixing.

[0003] The clamping size of the existing pneumatic clamp is relatively fixed, which is not convenient for clamping flywheels of different sizes, and is also not convenient for center positioning. At the same time, during use, the clamping head will be deformed due to long-term use, affecting the processing accuracy. The clamping structure of the existing clamp is mostly integrated, which is not convenient for replacement. Moreover, when drilling, the position of the support pad is relatively fixed. When drilling at different positions, interference will occur, and the flywheel needs to be re-clamped, affecting the processing efficiency. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a pneumatic clamp specifically used for flywheel drilling and milling, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a pneumatic clamp specially used for flywheel drilling and milling processing, comprising a shell, a connecting slide groove is provided inside the shell, a connecting slide groove is slidably connected to the inside of the connecting slide groove, a connecting slide rod is provided inside the connecting slide groove, a first spring is provided on the outer surface of the connecting slide groove, an end of the first spring away from the connecting slide groove is arranged on the inner wall of the connecting slide groove, a support seat is provided on the inner wall of the shell, a guide roller is rotatably connected to the inside of the support seat, a cylinder is provided at the lower end of the shell, a sealing piston is slidably connected to the inside of the cylinder, a traction rope is provided on the upper surface of the sealing piston, an end of the traction rope away from the sealing piston is arranged on the outer surface of the connecting slide slide, the traction rope abuts on the outer surface of the guide roller, a support shaft is provided on the inner top wall of the shell, the outer surface of the support shaft is rotatably connected to the transmission gear, a connecting rack is provided on the outer surface of the connecting slide slide, and the connecting rack and the transmission gear are meshed with each other.

[0008] Optionally, the number of the connecting slide plates and the connecting racks is four, which are evenly distributed inside the shell, and two adjacent connecting racks are staggered up and down on the outer surface of the transmission gear.

[0009] Optionally, a fixing groove is provided inside the connecting slide plate, a connecting block is plugged into the fixing groove, a plug-in through hole is provided inside the connecting block, and a clamping block is provided at the upper end of the connecting block.

[0010] Optionally, a supporting slide bar is provided on the outer surface of the connecting slide plate, a connecting plate is slidably connected to the outer surface of the supporting slide bar, a second spring is provided on the outer surface of the connecting plate, a limiting plate is provided at one end of the second spring, the limiting plate is provided on the supporting slide bar, a plug-in column is provided on the outer surface of the connecting plate, the position of the plug-in column is adapted to the position of the plug-in through hole, and a control handle is provided on the side of the connecting plate away from the plug-in column.

[0011] Optionally, an adjustment groove is opened inside the shell, a small motor is arranged inside the adjustment groove, a first bevel gear is arranged at one end of the output shaft of the small motor, a second bevel gear is meshed on the outer surface of the first bevel gear, a transmission screw is arranged inside the second bevel gear, the transmission screw is rotatably connected to the inside of the shell, and a slider is transmission-connected to the outer surface of the transmission screw.

[0012] Optionally, an adjusting slot is provided on the upper surface of the shell, the slider is slidably connected inside the adjusting slot, and an arc-shaped supporting plate is provided on the upper surface of the slider.

[0013] Optionally, there are several arc-shaped support plates, transmission screws and second bevel gears, which are evenly distributed on the upper surface of the shell.

[0014] (III) Beneficial effects

[0015] The utility model provides a pneumatic clamp specially used for flywheel drilling and milling, which has the following beneficial effects:

[0016] 1. The pneumatic clamp specially used for flywheel drilling and milling can conveniently clamp flywheels of different sizes and can perform center positioning by itself through the coordinated arrangement of a connecting slide, a first spring, a guide roller, a cylinder, a traction rope, a sealing piston, a connecting rack and a transmission gear.

[0017] 2. The pneumatic clamp specially used for flywheel drilling and milling processing has the effect of convenient and quick replacement of the clamping block through the coordinated arrangement of the connecting slide plate, the connecting block, the plug-in through hole, the clamping block, the connecting plate, the second spring, the plug-in column and the control handle.

[0018] 3. The pneumatic fixture specially used for flywheel drilling and milling can quickly adjust the position of the support ring through the coordinated arrangement of a small motor, a first bevel gear, a second bevel gear, a transmission screw, a slider and an arc-shaped support plate, so as to facilitate the effect of drilling holes at different positions. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the external structure of the small motor of the utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of the connecting slide plate of the utility model;

[0022] Figure 4 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 5 For this utility model Figure 4 Schematic diagram of the enlarged structure at point A in the middle.

[0024] In the figure: 1. shell; 2. connecting slide plate; 3. first spring; 4. support seat; 5. cylinder; 6. sealing piston; 7. traction rope; 8. transmission gear; 9. connecting rack; 10. connecting block; 11. clamping block; 12. second spring; 13. plug-in column; 14. connecting plate; 15. control handle; 16. small motor; 17. first bevel gear; 18. second bevel gear; 19. transmission screw; 20. slider; 21. arc support plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] Example 1

[0027] A pneumatic clamp specially used for flywheel drilling and milling processing comprises a shell 1, a connecting slide groove is provided inside the shell 1, a connecting slide plate 2 is slidably connected inside the connecting slide groove, a connecting slide rod is provided inside the connecting slide groove, a first spring 3 is provided on the outer surface of the connecting slide plate 2, an end of the first spring 3 away from the connecting slide plate 2 is provided on the inner wall of the connecting slide groove, a support seat 4 is provided on the inner wall of the shell 1, a guide roller is rotatably connected inside the support seat 4, a cylinder 5 is provided at the lower end of the shell 1, a sealing piston 6 is slidably connected inside the cylinder 5, a traction rope 7 is provided on the upper surface of the sealing piston 6, and the traction rope 7 is away from the sealing activity. One end of the plug 6 is arranged on the outer surface of the connecting slide 2, and the traction rope 7 abuts against the outer surface of the guide roller. A support shaft is arranged on the inner top wall of the shell 1, and a transmission gear 8 is rotatably connected to the outer surface of the support shaft. A connecting rack 9 is arranged on the outer surface of the connecting slide 2, and the connecting rack 9 is meshed with the transmission gear 8. The number of the connecting slide 2 and the connecting rack 9 is four, which are evenly distributed inside the shell 1. Two adjacent connecting racks 9 are staggered up and down on the outer surface of the transmission gear 8. A fixing groove is opened inside the connecting slide 2, and a connecting block 10 is inserted inside the fixing groove. The inner opening of the connecting block 10 A plug-in through hole is provided, a clamping block 11 is provided at the upper end of the connecting block 10, a supporting slide rod is provided on the outer surface of the connecting slide plate 2, a connecting plate 14 is slidably connected to the outer surface of the supporting slide rod, a second spring 12 is provided on the outer surface of the connecting plate 14, a limiting piece is provided at one end of the second spring 12, the limiting piece is provided on the supporting slide rod, a plug-in column 13 is provided on the outer surface of the connecting plate 14, the position of the plug-in column 13 is adapted to the position of the plug-in through hole, a control handle 15 is provided on the side of the connecting plate 14 away from the plug-in column 13, an adjusting slot is provided inside the housing 1, a small motor 16 is provided inside the adjusting slot, A first bevel gear 17 is provided at one end of the output shaft of the small motor 16, and a second bevel gear 18 is meshed on the outer surface of the first bevel gear 17, and a transmission screw 19 is provided inside the second bevel gear 18. The transmission screw 19 is rotatably connected to the inside of the shell 1, and a slider 20 is transmission-connected to the outer surface of the transmission screw 19. An adjusting groove is provided on the upper surface of the shell 1, and the slider 20 is slidably connected to the inside of the adjusting groove. An arc-shaped support plate 21 is provided on the upper surface of the slider 20. The number of the arc-shaped support plate 21, the transmission screw 19 and the second bevel gear 18 is several, and they are evenly distributed on the upper surface of the shell 1.

[0028] In order to make the flywheel drilling and milling special pneumatic clamp have the effect of conveniently clamping flywheels of different sizes and being able to perform center positioning by itself, make the flywheel drilling and milling special pneumatic clamp have the effect of conveniently and quickly replacing the clamping block 11, and make the flywheel drilling and milling special pneumatic clamp have the effect of quickly adjusting the position of the support ring, so as to facilitate the drilling of holes in different positions, as shown in the attached Figure 1-5As shown, the present application adopts the following structure, through the matching arrangement of connecting slide plate 2, first spring 3, guide roller, cylinder 5, traction rope 7, sealing piston 6, connecting rack 9 and transmission gear 8, connecting slide plate 2, connecting block 10, plug-in through hole, clamping block 11, connecting plate 14, second spring 12, plug-in column 13 and control handle 15, small motor 16, first bevel gear 17, second bevel gear 18 and, transmission screw 19, slider 20 and arc-shaped support plate 21, during use, the flywheel to be processed is placed above the arc-shaped support plate 21, At the same time, the operation of the external pump extracts the gas in the cylinder 5. Under the action of pressure, the sealing piston 6 slides down, pulling the traction rope 7, thereby driving the connecting slide 2 to slide along the connecting slide rod, squeezing the first spring 3. At the same time, under the action of the transmission gear 8, the connecting rack 9 is cooperated to make the four connecting slides slide centripetally at the same distance at the same time, until the clamping blocks 11 on the four connecting slides 2 clamp the flywheel at the same time, and the air extraction stops, so that the pneumatic clamp specially used for flywheel drilling and milling processing has the function of conveniently clamping flywheels of different sizes and can perform center positioning by itself. The flywheel is drilled and milled after the flywheel is clamped. During the drilling process, when the position of the arc support plate 21 interferes, the first bevel gear 17 is driven to rotate by the rotation of the small motor 16. Under the action of the second bevel gear 18, the transmission screw 19 is driven to rotate, thereby driving the slider 20 and the arc support plate 21 to slide along the adjustment slot, adjusting the position of the arc support plate 21 to avoid interference, and realizing drilling operations at different positions without disassembling the fixture, thereby improving the processing efficiency, so that the pneumatic fixture dedicated to flywheel drilling and milling has In order to quickly adjust the position of the support ring and facilitate drilling at different positions, when the clamping block 11 needs to be replaced, the control handle 15 is pulled to squeeze the second spring 12, so that the plug-in column 13 is disengaged from the plug-in through hole, and the clamping block 11 and the connecting block 10 are quickly removed from the connecting slide plate 2, and then a new clamping block 11 is replaced, and the control handle 15 is released. The elastic force of the second spring 12 makes the plug-in column 13 quickly snap into the connecting through hole, and the new clamping block 11 is fixed, so that the pneumatic clamp specially used for flywheel drilling and milling processing has the effect of facilitating and quickly replacing the clamping block 11.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A pneumatic fixture for flywheel drilling and milling, comprising a housing, characterized in that: A connecting slot is provided inside the shell, and a connecting slide is slidably connected to the inside of the connecting slot, a connecting slide rod is provided inside the connecting slot, a first spring is provided on the outer surface of the connecting slide, and an end of the first spring away from the connecting slide is provided on the inner wall of the connecting slot, a support seat is provided on the inner wall of the shell, and a guide roller is rotatably connected to the inside of the support seat, a cylinder is provided at the lower end of the shell, and a sealing piston is slidably connected to the inside of the cylinder, a traction rope is provided on the upper surface of the sealing piston, and an end of the traction rope away from the sealing piston is provided on the outer surface of the connecting slide, and the traction rope abuts on the outer surface of the guide roller, a support shaft is provided on the inner top wall of the shell, and the outer surface of the support shaft is rotatably connected to a transmission gear, and a connecting rack is provided on the outer surface of the connecting slide, and the connecting rack and the transmission gear are meshed with each other.

2. A pneumatic fixture for flywheel drilling and milling according to claim 1, characterized in that: The number of the connecting slide plates and the connecting racks is four, which are evenly distributed inside the shell, and two adjacent connecting racks are staggered up and down on the outer surface of the transmission gear.

3. The pneumatic fixture for flywheel drilling and milling according to claim 1, characterized in that: A fixing groove is provided inside the connecting slide plate, a connecting block is plugged inside the fixing groove, a plugging through hole is provided inside the connecting block, and a clamping block is arranged at the upper end of the connecting block.

4. The pneumatic fixture for flywheel drilling and milling according to claim 1, characterized in that: The outer surface of the connecting slide plate is provided with a supporting slide rod, the outer surface of the supporting slide rod is slidably connected with a connecting plate, the outer surface of the connecting plate is provided with a second spring, one end of the second spring is provided with a limiting plate, the limiting plate is provided on the supporting slide rod, the outer surface of the connecting plate is provided with a plug-in column, the position of the plug-in column is adapted to the position of the plug-in through hole, and a control handle is provided on the side of the connecting plate away from the plug-in column.

5. The pneumatic fixture for flywheel drilling and milling according to claim 1, characterized in that: An adjustment groove is provided inside the shell, a small motor is arranged inside the adjustment groove, a first bevel gear is provided at one end of the output shaft of the small motor, a second bevel gear is meshed on the outer surface of the first bevel gear, a transmission screw is provided inside the second bevel gear, the transmission screw is rotatably connected to the inside of the shell, and a slider is transmission-connected to the outer surface of the transmission screw.

6. The pneumatic fixture for flywheel drilling and milling according to claim 1, characterized in that: An adjusting slide groove is provided on the upper surface of the shell, a sliding block is slidably connected inside the adjusting slide groove, and an arc-shaped supporting plate is provided on the upper surface of the sliding block.

7. A pneumatic fixture for flywheel drilling and milling according to claim 6, characterized in that: There are several arc-shaped support plates, transmission screws and second bevel gears, which are evenly distributed on the upper surface of the shell.