High-precision numerical control pipe cutting machine

The CNC tube cutting machine, which uses air-expanding rollers and synchronous blade transmission, solves the problem of poor flexibility in paper tube cutting equipment, and achieves high-precision, stable and efficient paper tube cutting, reducing scrap rate and improving production efficiency.

CN223719585UActive Publication Date: 2025-12-26XIAN ZHIYIN DIGITAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520159294.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2025-12-26
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

Traditional paper tube cutting equipment can only cut paper tube supports of a specific size, which is not very flexible. This causes the paper tube to easily shift or shake during the cutting process, affecting the cutting accuracy and stability, increasing the scrap rate and reducing production efficiency.

Method used

By using an air-expanding roller to fix the paper tube, combined with the synchronous transmission of the blade and the rotating shaft and the precise position control of the mounting frame, it is possible to fix and cut paper tubes of different inner diameters, prevent paper tube displacement or shaking, and improve cutting accuracy and stability.

Benefits of technology

It enables stable and fixed cutting of paper tubes with different inner diameters, reduces scrap rate, improves production efficiency, and produces smooth and neat cutting edges, meeting the needs of high-precision paper tube processing.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to the field of paper tube production, in particular to a high-precision numerical control tube cutting machine. According to the high-precision numerical control pipe cutting machine, paper pipes with different inner diameters can be fixedly cut through expansion of the air expansion roller, displacement or shaking of the paper pipes is prevented, the cutting precision and stability are improved, the rejection rate is reduced, the production efficiency is improved, and the high-precision numerical control pipe cutting machine is flexible and convenient to use. A high-precision numerical control pipe cutting machine comprises a rack, a first motor and the like, and the left lower portion of the rack is connected with the first motor. According to the paper tube cutting device, the paper tube is attached to the polyurethane sleeve roller through expansion and opening of the air expansion roller, then the blade makes contact with the paper tube after the position of the blade is adjusted, and the paper tube is cut through rotation of the blade and the rotating shaft, so that the paper tubes with different inner diameters can be fixedly cut through expansion of the air expansion roller, and displacement or shaking of the paper tubes is prevented; the cutting precision and stability are improved, the rejection rate is reduced, the production efficiency is improved, and use is flexible and convenient.
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Description

Technical Field

[0001] This utility model relates to the field of paper tube production, and in particular to a high-precision CNC tube cutting machine. Background Technology

[0002] CNC tube cutting machines are automated equipment that uses computer digital control technology to precisely cut tubes. Through a pre-programmed software control system, they can automatically complete complex cutting tasks and are widely used in metal processing, machinery manufacturing, automotive industry, aerospace, building decoration and many other fields. In the paper tube processing industry, paper tube cutting is a crucial step, and its accuracy and stability directly affect the quality of subsequent products and production efficiency. Traditional paper tube cutting equipment can only cut paper tube supports of a specific size, which is not very flexible. During the cutting process, the paper tube is prone to displacement or shaking, which not only affects the cutting accuracy and stability and increases the scrap rate, but also reduces production efficiency and is inconvenient to use.

[0003] Therefore, it is necessary to design a high-precision CNC tube cutter that can fix and cut paper tubes of different inner diameters by expanding the air roller, preventing paper tube displacement or shaking, improving cutting accuracy and stability, reducing scrap rate, improving production efficiency, and being flexible and convenient to use. Utility Model Content

[0004] To overcome the shortcomings of traditional paper tube cutting equipment, which can only cut paper tube supports of specific sizes, has poor flexibility, and is prone to displacement or shaking during the cutting process, affecting cutting accuracy and stability, increasing scrap rate, reducing production efficiency, and being inconvenient to use, this utility model provides a high-precision CNC tube cutting machine that can fix and cut paper tubes of different inner diameters by expanding air rollers, preventing paper tube displacement or shaking, improving cutting accuracy and stability, reducing scrap rate, increasing production efficiency, and is flexible and convenient to use.

[0005] The technical solution of this utility model is as follows: a high-precision CNC tube cutting machine, including a frame, a first motor, a flat belt, a rotating shaft, a fixing component, a support component, an adjustment component, and a cutting component. The first motor is connected to the lower left part of the frame, and the rotating shaft is rotatably connected to the upper left part of the frame. A flat belt is wound around the left part of the rotating shaft and the output shaft of the first motor through a pulley. A fixing component for fixing the paper tube is provided on the rotating shaft. A support component for supporting the rotating shaft is provided on the right side of the frame. An adjustment component for adjusting the tube cutting position is provided on the upper rear part of the frame. A cutting component for cutting the paper tube is provided on the adjustment component.

[0006] In one of the embodiments, the fixing assembly comprises the air expansion roller, the air inlet pipe and the polyurethane sleeve roller, the air expansion roller is connected to the outside of the rotating shaft, the air inlet pipe is connected to the right side of the air expansion roller, and the polyurethane sleeve roller is connected to the outside of the air expansion roller.

[0007] In one of the embodiments, the supporting assembly comprises the fixing frame, the connecting block, the electric push rod and the rollers, the fixing frame is connected to the upper right part of the frame, the connecting block is rotatably connected to the fixing frame, the electric push rod is connected to the upper side of the connecting block, the connecting frame is arranged on the telescopic end of the electric push rod, and the rollers are rotatably connected to the front and rear parts of the connecting frame.

[0008] In one of the embodiments, the fixing frame is H-shaped.

[0009] In one of the embodiments, the adjusting assembly comprises the first air cylinder, the second motor, the screw rod and the sliding block, the first air cylinder is rotatably connected to the right part of the frame, the telescopic end of the first air cylinder is rotatably connected to the fixed end of the electric push rod, the second motor is connected to the right side of the right rear part of the frame, the screw rod is rotatably connected to the upper rear part of the frame, the screw rod is connected to the output shaft of the second motor, the sliding block is threadedly connected to the screw rod, and the sliding block is in contact with the frame.

[0010] In one of the embodiments, the cutting assembly comprises the second air cylinder, the mounting frame, the third motor, the synchronous belt and the blade, the second air cylinder is connected to the upper part of the sliding block, the mounting frame is connected to the telescopic end of the second air cylinder, the third motor is connected to the lower part of the mounting frame, the blade is rotatably connected to the upper part of the mounting frame, and the synchronous belt is wound around the synchronous belt pulley between the output shaft of the third motor and the blade.

[0011] Beneficial effects: 1. The air expansion roller is expanded to support and open, so that the paper tube is attached to the polyurethane sleeve roller, then the position of the blade is adjusted, the blade is in contact with the paper tube, the paper tube is cut by the rotation of the blade and the rotating shaft, so that the air expansion roller can be expanded to fix and cut the paper tube with different inner diameters, the displacement or shaking of the paper tube is prevented, the cutting precision and stability are improved, the waste rate is reduced, the production efficiency is improved, and the use is flexible and convenient.

[0012] 2. The position of the mounting frame and the blade is adjusted, the blade is rotated, the synchronous belt pulley is driven to rotate by the first motor, the rotating shaft is rotated to cut the paper tube, so that the synchronous transmission of the blade and the rotating shaft and the accurate position control of the mounting frame are realized, the edges of the cut paper tube are smooth and neat, there is no burr, the quality of the product is improved, and the market demand for high-precision paper tube processing is met.

[0013] 3、The utility model discloses paper tube is installed, and through the contact of gyro wheel movement and rotating shaft to paper tube is positioned, and after cutting, make polyurethane sleeve roll shrink and paper tube separate, through gyro wheel reverse movement reset, again through electric push rod reverse rotation reset, then take paper tube down, thereby can be positioned to paper tube when cutting to support rotating shaft, prevent paper tube and slide out, facilitate paper tube unloading, improve the convenience of using. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0015] Figure 2 It is the three-dimensional structure schematic diagram of the first motor and flat belt etc. component of the utility model.

[0016] Figure 3 It is the three-dimensional structure schematic diagram of the utility model's air inflation roll and air inlet pipe etc. component.

[0017] Figure 4 It is the three-dimensional structure schematic diagram of the utility model's gyro wheel and connecting block etc. component.

[0018] Figure 5 It is the three-dimensional structure schematic diagram of the second motor and screw etc. component of the utility model.

[0019] Marked in the drawing as: 1-frame, 2-first motor, 3-flat belt, 4-rotating shaft, 5-air inflation roll, 6-air inlet pipe, 7-polyurethane sleeve roll, 8-fixed frame, 9-connecting block, 10-electric push rod, 11-gyro wheel, 12-first cylinder, 13-second motor, 14-screw, 15-sliding block, 16-second cylinder, 17-mounting frame, 18-third motor, 19-synchronous belt, 20-blade. DETAILED DESCRIPTION

[0020] The utility model will be further described below in conjunction with the embodiment shown in the attached drawing.

[0021] A high-precision numerical control pipe cutting machine, such as Figures 1-5As shown, including organic frame 1, the first motor 2, flat belt 3, rotating shaft 4, fixed components, support components, adjusting components and cutting components, the frame 1 lower left is connected with the first motor 2, the frame 1 upper left is rotatably connected with the rotating shaft 4, the rotating shaft 4 left part and the output shaft of the first motor 2 are connected through the belt pulley with the flat belt 3, the rotating shaft 4 is provided with a fixing component for fixing the paper tube, the fixing component includes air inflation roller 5, air inlet pipe 6 and polyurethane sleeve roller 7, the rotating shaft 4 outside is connected with the air inflation roller 5, the air inflation roller 5 right side is connected with the air inlet pipe 6, the air inflation roller 5 outside is connected with the polyurethane sleeve roller 7, the frame 1 right part is provided with a support component for supporting the rotating shaft 4, the support component includes a fixed frame 8, a connecting block 9, an electric push rod 10 and a roller 11, the frame 1 right upper part is connected with the fixed frame 8, the fixed frame 8 is H-shaped, the fixed frame 8 is rotatably connected with the connecting block 9, the connecting block 9 upper side is connected with the electric push rod 10, the telescopic end of the electric push rod 10 is provided with a connecting frame, the connecting frame front and rear parts are rotatably connected with the roller 11, the frame 1 rear upper part is provided with an adjusting component for adjusting the pipe cutting position, the adjusting component includes a first air cylinder 12, a second motor 13, a lead screw 14 and a sliding block 15, the frame 1 right part is rotatably connected with the first air cylinder 12, the telescopic end of the first air cylinder 12 is rotatably connected with the fixed end of the electric push rod 10, the frame 1 right rear part right side is connected with the second motor 13, the frame 1 rear upper part is rotatably connected with the lead screw 14, the lead screw 14 is connected with the output shaft of the second motor 13, the lead screw 14 is connected with the sliding block 15 through threads, the sliding block 15 is in contact with the frame 1, the adjusting component is provided with a cutting component for cutting the paper tube, the cutting component includes a second air cylinder 16, a mounting frame 17, a third motor 18, a synchronous belt 19 and a blade 20, the sliding block 15 upper part is connected with the second air cylinder 16, the telescopic end of the second air cylinder 16 is connected with the mounting frame 17, the mounting frame 17 lower part is connected with the third motor 18, the mounting frame 17 upper part is rotatably connected with the blade 20, the output shaft of the third motor 18 and the blade 20 are connected through the belt pulley with the synchronous belt 19.

[0022] When the paper tube needs to be cut, the device can be used, so that the rack 1 is in contact with the ground, and then the paper tube is sleeved on the polyurethane sleeve roller 7, and then the air pump is connected to the air inlet pipe 6, and then the air pump is started, so that the gas enters the air inlet pipe 6 into the air expansion roller 5, so that the air expansion roller 5 is expanded and opened, so that the paper tube is tightly fitted on the polyurethane sleeve roller. Then close the air pump, and then start the first air cylinder 12, drive the electric push rod 10 to rotate through the first air cylinder 12, so that the connecting block 9 rotates along the fixed frame 8, the fixed frame 8 is H-shaped, and after rotating to the appropriate angle, the first air cylinder 12 is closed, and the electric push rod 10 is started. The connecting frame is moved by the electric push rod 10, so that the roller 11 moves in contact with the rotating shaft 4, and then the paper tube is limited, and then the electric push rod 10 is closed. Then set the required cutting size parameters of the paper tube in the control system, including length, width and other information, and control the system to drive the second motor 13 according to these parameters, drive the screw rod 14 to rotate through the second motor 13, and move the sliding block 15 under the action of the screw thread, and then drive the mounting frame 17 and the blade 20 to move to the initial cutting position. Then close the second motor 13, start the second air cylinder 16, drive the mounting frame 17 to move through the second air cylinder 16, so that the blade 20 moves in contact with the paper tube, then close the second air cylinder 16, start the third motor 18, drive the belt pulley to rotate through the third motor 18, so that the synchronous belt 19 rotates, and then drive the blade 20 to rotate. At the same time, start the first motor 2, drive the belt pulley to rotate through the first motor 2, so that the flat belt 3 rotates, and then drive the rotating shaft 4 to rotate to cut the paper tube, so that the roller 11 rotates, so that the air expansion roller 5 can be expanded to fix and cut the paper tubes with different inner diameters, prevent the paper tube from moving or shaking, improve the cutting precision and stability, reduce the waste rate, improve the production efficiency, and use flexibly and conveniently. After cutting is completed, the first motor 2 and the third motor 18 are closed, then the second air cylinder 16 is reversely operated, so that the mounting frame 17 and the blade 20 move reversely, so that the blade 20 is separated from the paper tube, then the second motor 13 is driven again through the control system, and the mounting frame 17 is moved to the next cutting position by repeating the above operation. After moving to the specified position, close the second motor 13, and then repeat the above operation to continue cutting the paper tube until the paper tube is completely cut, so that the synchronous transmission of the blade 20 and the rotating shaft 4 and the accurate position control of the mounting frame 17 can make the cut paper tube edge smooth and neat without burr, improve the product quality, meet the market demand of high-precision paper tube processing, and close the first motor 2 and the third motor 18. Then disconnect the air inlet pipe 6 from the air pump, so that the gas in the air expansion roller 5 is discharged from the air inlet pipe 6 for air release,The polyurethane sleeve roller 7 is separated from the paper tube, and then the electric push rod 10 is reversely operated, the connecting frame and the roller 11 are reversely moved and reset, the first cylinder 12 is reversely operated, the connecting block 9 and the electric push rod 10 are reversely rotated and reset, and then the paper tube is taken off, so that the paper tube can be limited during cutting and the rotating shaft 4 can be supported, the paper tube is prevented from sliding out, the paper tube is conveniently discharged, and the convenience of use is improved.

[0023] The above merely describes the specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A high-precision numerical control pipe cutting machine, characterized in that: The utility model provides a paper tube cutting device, including organic frame (1), first motor (2), flat belt (3), rotation axis (4), fixed component, support component, adjustment component and cutting component, the lower left part of frame (1) is connected with first motor (2), the upper left part of frame (1) is rotatably connected with rotation axis (4), and flat belt (3) is connected between the left part of rotation axis (4) and the output shaft of first motor (2) through belt pulley, and the fixed component for fixing paper tube is equipped on rotation axis (4), the right part of frame (1) is equipped with the support component for supporting rotation axis (4), the upper rear part of frame (1) is equipped with the adjustment component for adjusting pipe cutting position, and the cutting component for cutting paper tube is equipped on adjustment component.

2. A high-precision numerical control pipe cutting machine according to claim 1, characterized in that: The fixed component includes air inflation roller (5), air inlet pipe (6) and polyurethane sleeve roller (7), the outer side of rotation axis (4) is connected with air inflation roller (5), the right side of air inflation roller (5) is connected with air inlet pipe (6), and the outer side of air inflation roller (5) is connected with polyurethane sleeve roller (7).

3. A high-precision numerical control pipe cutting machine according to claim 2, characterized in that: The support component includes fixed frame (8), connecting block (9), electric push rod (10) and roller (11), the upper right part of frame (1) is connected with fixed frame (8), the rotatably connected with connecting block (9) is set up on fixed frame (8), the upper side of connecting block (9) is connected with electric push rod (10), and the connecting frame is equipped on the telescopic end of electric push rod (10), and the roller (11) is rotatably connected on the front and rear parts of connecting frame.

4. A high-precision numerical control pipe cutting machine according to claim 3, characterized in that: The fixed frame (8) is H-shaped.

5. A numerically controlled high precision pipe cutting machine as claimed in claim 4, characterized in that: The adjustment component includes first air cylinder (12), second motor (13), screw rod (14) and sliding block (15), the rotatably connected with first air cylinder (12) is set up on the right part of frame (1), the fixed end of electric push rod (10) is rotatably connected with the telescopic end of first air cylinder (12), the right side of right rear part of frame (1) is connected with second motor (13), the rotatably connected with screw rod (14) is set up on the upper rear part of frame (1), the output shaft of second motor (13) is connected with screw rod (14), and the sliding block (15) is connected with screw rod (14) through thread, and the sliding block (15) is in contact with frame (1).

6. A high-precision numerical control pipe cutting machine according to claim 5, characterized in that: The cutting component includes second air cylinder (16), mounting frame (17), third motor (18), synchronous belt (19) and blade (20), the upper part of sliding block (15) is connected with second air cylinder (16), the telescopic end of second air cylinder (16) is connected with mounting frame (17), the lower part of mounting frame (17) is connected with third motor (18), the rotatably connected with blade (20) is set up on the upper part of mounting frame (17), and the output shaft of third motor (18) is connected with synchronous belt (19) through belt pulley between blade (20).