CN213614735U

CN213614735U - Circular tube cutting device

Info

Publication number: CN213614735U
Application number: CN202022742214.XU
Authority: CN
Inventors: 陆荣彪
Original assignee: Zhangzhou Rongqunwang Machinery Equipment Co ltd
Current assignee: Quanzhou Rongqunwang Machinery Equipment Co.,Ltd.
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-07-06
Anticipated expiration: 2030-11-24

Abstract

The utility model relates to a round tube cutting device, which comprises a machine base, a slideway and a sliding platform; the sliding platform is provided with a first adjustable sliding seat, a support is arranged on the first adjustable sliding seat, a rotary cutting device is arranged on the support, a second adjustable sliding seat is arranged in the middle of the sliding platform, and a pipe clamping device is arranged on the second adjustable sliding seat; the right end of the sliding platform is provided with a cutting machine host, the left end of the base is provided with a second air cylinder, and the base is provided with a first electromagnetic valve, a second electromagnetic valve and a controller. The utility model discloses can carry out the dynamic cutting to the pipe when pipe production line does not shut down, practice thrift the electric energy, improve work efficiency.

Description

Circular tube cutting device

Technical Field

The utility model relates to the technical field of mechanical equipment, especially, relate to a pipe cutting device.

Background

The carbon steel round pipe or the stainless steel round pipe produced by the existing round pipe production line is continuous, the round pipe is cut after reaching a certain length, the existing round pipe cutting device cannot dynamically cut the round pipe, the round pipe can be cut only when the round pipe production line is stopped to enable the round pipe to be in a static state, the round pipe production line is frequently started and standby, electric energy is wasted, time is consumed, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes prior art's is not enough, provides a pipe cutting device, can carry out the dynamic cutting to the pipe when pipe production line does not shut down, practices thrift the electric energy, improves work efficiency.

The utility model discloses a realize through following technical scheme:

a circular tube cutting device comprises a machine base; the front side and the rear side of the machine base are provided with slideways, and sliding platforms capable of sliding left and right are arranged on the slideways; the left end of the sliding platform is provided with a first adjustable sliding seat capable of moving back and forth, a support is arranged on the first adjustable sliding seat, a rotary cutting device is arranged on the support and comprises a cutting cylinder penetrating through the middle of the support and connected with the support in a rotating mode and a motor arranged at the top of the support, the inner diameter of the cutting cylinder is larger than the outer diameter of a round pipe to be cut, the axis of the cutting cylinder is horizontally arranged along the left and right sides, a first air cylinder is arranged at the left end of the cutting cylinder in the radial direction, a cutting gun arranged along the radial direction of the cutting cylinder is arranged on a piston rod of the first air cylinder, and a cutting nozzle of the cutting gun; the motor is in transmission connection with the cutting drum; a second adjustable sliding seat capable of moving back and forth is arranged in the middle of the sliding platform, and a pipe clamping device is arranged on the second adjustable sliding seat; the right end of the sliding platform is provided with a main machine of the cutting machine, and the main machine of the cutting machine is connected with a cutting gun; the left end of the base is provided with a second cylinder, a cylinder barrel of the second cylinder is fixedly connected with the base, and the end part of a piston rod of the second cylinder is fixedly connected with the left end of the sliding platform; the machine base is provided with a first electromagnetic valve, a second electromagnetic valve and a controller, the first electromagnetic valve is connected with a first air cylinder and a high-pressure air source through a high-pressure air pipe, the second electromagnetic valve is connected with a second air cylinder and the high-pressure air source through a high-pressure air pipe, the first electromagnetic valve, the second electromagnetic valve, the motor and the cutting machine host are all electrically connected with the controller and controlled by the controller, and the controller is externally connected with a power supply.

Preferably, the slide is the steel pipe, and the sliding platform bottom is equipped with first gyro wheel, and first gyro wheel can roll about on the steel pipe.

Preferably, the main frame of cutting machine is plasma cutting machine main frame, and the cutting torch is plasma cutting torch, and the main frame of cutting machine passes through highly-compressed air hose and electric wire connection plasma cutting torch.

Preferably, the end part of the piston rod of the first cylinder is connected with a connecting rod, the end part of the connecting rod is provided with a second roller, the second roller can penetrate through the through hole to extend into the cutting cylinder, and the distance from the bottom of the second roller to the axis of the cutting cylinder is smaller than the distance from the cutting nozzle of the cutting gun to the axis of the cutting cylinder.

Preferably, an adjustable cutting gun frame is arranged on a piston rod of the first air cylinder, and the cutting gun is mounted on the adjustable cutting gun frame.

Preferably, the left axial section of the cutting barrel is in an H shape to form a first reel, a second reel is arranged above the first reel, and the second reel is rotatably connected with a wheel carrier arranged on the sliding platform.

Preferably, the motor is a stepping motor or a servo motor.

Preferably, the support is provided with a rotating shaft rotatably connected with the support, one end of the rotating shaft is provided with a driving gear, the driving gear is meshed with a driven gear arranged on the outer wall of the cutting barrel, and the other end of the rotating shaft is in transmission connection with the motor through a synchronous belt.

Preferably, the pipe clamping device comprises two separable semicircular clamping arms, the clamping arms and the cutting barrel are coaxially arranged, the outer side of one clamping arm is connected with a third air cylinder arranged on the slide platform, the third air cylinder is connected with a third electromagnetic valve arranged on the base through a high-pressure air pipe, and the third electromagnetic valve is connected with a high-pressure air source and a controller.

Preferably, a bushing is arranged on the inner side of the clamping arm.

The utility model has the advantages that:

1. the adoption sets up sliding platform on the frame, sets up rotary cutting device, double-layered pipe device, second cylinder on sliding platform, can cut off the pipe under the circumstances that the pipe production line does not shut down, can practice thrift the electric energy, improves work efficiency.

2. The cutting drum is driven to rotate by the stepping motor or the servo motor through the synchronous belt, so that the cutting drum is easy to control and high in precision, and the cutting drum can cut forward and backward, so that the working efficiency can be further improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a sectional view a-a of fig. 1.

Fig. 4 is a schematic structural diagram of the rotary cutting apparatus of the present invention.

In the figure: 1. a machine base; 2. a slideway; 3. a sliding platform; 4. a first roller; 5. a first adjustable slide; 6. a support; 7. cutting the cylinder; 8. a motor; 9. a first cylinder; 10. an adjustable cutting gun rack; 11. cutting the torch; 12. a cutting nozzle; 13. a through hole; 14. a connecting rod; 15. a second roller; 16. a rotating shaft; 17. a driving gear; 18. a driven gear; 19. a synchronous belt; 20. a second adjustable slide; 21. clamping arms; 22. a bushing; 23. a third cylinder; 24. a main machine of the cutting machine; 25. high pressure air hoses and wires; 26. a first reel; 27. a second reel; 28. a wheel carrier; 29. a second cylinder; 30. a first solenoid valve; 31. a second solenoid valve; 32. a third electromagnetic valve; 33. and a controller.

Detailed Description

As shown in fig. 1 to 4, in an embodiment of the present invention, a circular tube cutting apparatus includes a base 1, wherein in order to adjust the height of the base 1, a height adjusting device (not shown) is provided on a support leg of the base 1; the front side and the rear side of the base 1 are provided with steel pipes as slideways 2, the slideways 2 are provided with sliding platforms 3, the bottoms of the sliding platforms 3 are provided with first rollers 4, and the first rollers 4 can roll left and right on the steel pipes, so that the sliding platforms 3 can slide left and right relative to the base 1; a first adjustable sliding seat 5 capable of moving back and forth is arranged at the left end of the sliding platform 3, a support 6 is arranged on the first adjustable sliding seat 5, a rotary cutting device is arranged on the support 6, and the front and back positions of the rotary cutting device can be adjusted by adjusting the first adjustable sliding seat 5, so that the central axis of the rotary cutting device is aligned with the central axis of a circular pipe to be cut; the rotary cutting device comprises a cutting cylinder 7 which penetrates through the middle part of a support 6 and is connected with the support in a rotating way and a motor 8 which is arranged at the top of the support 6, the inner diameter of the cutting cylinder 7 is larger than the outer diameter of a round pipe to be cut, the axis of the cutting cylinder 7 is horizontally arranged along the left and right, a first air cylinder 9 is radially arranged at the left end of the cutting cylinder 7, an adjustable cutting gun rack 10 is arranged on a piston rod of the first air cylinder 9, a plasma cutting gun 11 which is radially arranged along the cutting cylinder 7 is arranged on the adjustable cutting gun rack 10, a cutting nozzle 12 of the cutting gun 11 can extend into the cutting cylinder 7 through a through hole 13 arranged on the cutting cylinder 7 under the driving of the piston rod of the first air cylinder 9, a connecting rod 14 is further connected to the end part of the piston rod of the first air cylinder 9, a second roller 15 is arranged at the end part of the connecting rod 14, the second roller 15 can extend into the cutting cylinder 7 through the through hole 13 under the driving of the piston rod of the first air cylinder 9, when the circular tube is cut, the first air cylinder 9 pushes the cutting gun 11 and the second roller 15 to extend into the cutting cylinder 7, the second roller 15 firstly contacts the outer wall of the circular tube to be cut and rolls along the outer wall of the circular tube along with the rotation of the cutting cylinder 7, and meanwhile, a certain distance is reserved between the cutting nozzle 12 and the outer wall of the circular tube so as to generate plasma arc; the cutting gun 11 can be moved by loosening the adjustable cutting gun rack 10 so as to adjust the length of the plasma arc according to the thickness of the pipe wall of the circular pipe; for the convenience of accurate control, the motor 8 is a stepping motor or a servo motor, a rotating shaft 16 which is rotatably connected with the support 6 is arranged on the support, a driving gear 17 is arranged at one end of the rotating shaft 16, the driving gear 17 is meshed with a driven gear 18 which is arranged on the outer cylinder wall of the cutting cylinder 7, and the other end of the rotating shaft 16 is in transmission connection with the motor 8 through a synchronous belt 19, so that the motor 8 can drive the cutting cylinder 7 to rotate and accurately control the number of rotating circles and angles; a second adjustable sliding seat 20 capable of moving back and forth is arranged in the middle of the sliding platform 3, a pipe clamping device is arranged on the second adjustable sliding seat 20, the pipe clamping device comprises two separable and combined semicircular clamping arms 21, the clamping arms 21 and the cutting barrel 7 are coaxially arranged, a bush 22 is arranged on the inner side of each clamping arm 21, the inner diameter of each clamping arm 21 can be adjusted by adjusting the thickness of the bush 22, and therefore the inner diameter of each clamping arm 21 is matched with the diameter of a clamped circular pipe, and the circular pipe can be clamped conveniently; the outer side of one clamping arm 21 is connected with a third air cylinder 23 arranged on the sliding platform 3, and the two clamping arms 21 can be separated and combined under the action of the third air cylinder 23; the right end of the sliding platform 3 is provided with a plasma cutting machine main body 24, the cutting machine main body 24 is connected with the cutting gun 11 through a high-pressure air hose and an electric wire 25, in order to wind the high-pressure air hose and the electric wire 25, the high-pressure air hose and the electric wire 25 are tidy and attractive, the left axial section of the cutting cylinder 7 is in an H shape to form a first reel 26, a second reel 27 is arranged above the first reel 26, and the second reel 27 is rotatably connected with a wheel carrier 28 arranged on the sliding platform 3, so that the high-pressure air hose and the electric wire 25 can be bundled together in parallel and wound on the first reel 26 and the second reel 27, and when the cutting cylinder 7 rotates, the high-pressure air hose and the electric wire 25 can be wound by the first reel 26 and the second; the left end of the base 1 is provided with a second cylinder 29, the right end of a cylinder barrel of the second cylinder 29 is fixedly connected with the base 1, and the end part of a piston rod of the second cylinder 29 is fixedly connected with the left end of the sliding platform 3; be equipped with first solenoid valve 30, second solenoid valve 31, third solenoid valve 32 and controller 33 on the frame 1, first solenoid valve 30 passes through high-pressure air pipe and connects first cylinder 9 and high pressurized air source, second solenoid valve 31 passes through high-pressure air pipe and connects second cylinder 29 and high pressurized air source, third solenoid valve 32 passes through high-pressure air pipe and connects third cylinder 23 and high pressurized air source, first solenoid valve 30, second solenoid valve 31, third solenoid valve 32, motor 8 and cutting machine host computer 24 all are connected with controller 33 electricity and receive its control, controller 33 external power supply.

The during operation will the utility model discloses arrange the end of pipe production line in, adjust frame 1's stabilizer blade height adjusting device, first adjustable slide 5 and the adjustable slide 20 of second, make the axis at cutting section of thick bamboo 7 and double-layered pipe device place coaxial with the pipe to make the end of double-layered pipe device towards the pipe production line. The controller 33 is electrified to the second electromagnetic valve 31, the second electromagnetic valve 31 controls the second air cylinder 29 to push the sliding platform 3 to slide rightwards, so that the sliding platform 3 is arranged on the right side of the machine base 1, and the controller 33 is electrified to the second electromagnetic valve 31 again, so that the second air cylinder 29 is communicated with the atmosphere, and the sliding platform 3 can slide freely; then, the controller 33 energizes the third electromagnetic valve 32, and the third electromagnetic valve 32 controls the third cylinder 23 to drive one clamping arm 21 of the pipe clamping device to slide on the second adjustable slide seat 20 to separate the two clamping arms 21, so that the round pipes produced by the round pipe production line can continuously pass through the pipe clamping device and the cutting cylinder 7. When the circular tube is cut, when the controller 33 receives a signal sent by the length measuring device on the circular tube production line, the controller 33 energizes the third electromagnetic valve 32, the third electromagnetic valve 32 controls the third cylinder 23 to drive one clamping arm 21 of the tube clamping device to slide on the second adjustable slide seat 20, so that the two clamping arms 21 clamp the circular tube, and the circular tube drives the whole sliding platform 3 to move leftwards together due to the continuous pushing out of the circular tube production line. When the circular tube is continuously pushed out and the sliding platform 3 moves, the controller 33 energizes the first electromagnetic valve 30, the first electromagnetic valve 30 controls the first cylinder 9 to drive the cutting gun 11 and the second roller 15 to extend into the cutting cylinder 7, the second roller 15 is attached to the outer wall of the circular tube, the cutting nozzle 12 of the cutting gun 11 is close to the outer wall of the circular tube, then the controller 33 controls the plasma cutting machine host 24 to ignite, so that plasma electric arcs are generated between the cutting nozzle 12 and the circular tube to cut the circular tube, meanwhile, the controller 33 controls the motor 8 to rotate, the motor 8 drives the cutting cylinder 7 to rotate through the synchronous belt 19, the driving gear 17 and the driven gear 18, so that the cutting gun 11 rotates along the circular tube, when the cutting cylinder 7 rotates 360 degrees, the circular tube can be cut off, in order to ensure that the circular tube is completely cut off, the cutting cylinder 7 can rotate 361 degrees to 365 degrees, then the controller 33 controls the first cylinder 9 to withdraw from the cutting gun 11, and controlling the third cylinder 23 to release the pipe clamping device, simultaneously controlling the second cylinder 29 to extend out of the piston rod by the controller 33 through the second electromagnetic valve 31 to push the sliding platform 3 which has slid to the left side of the machine base 1 back to the right side of the machine base 1, and clamping the round pipe by the pipe clamping device again to perform secondary cutting, and repeating the steps. Like this, at the in-process that the pipe was constantly released to the pipe production line, can constantly cut off the pipe, the pipe production line need not to shut down, can improve work efficiency greatly.

It should be pointed out that, when cutting next time, cutting section of thick bamboo 7 need not to turn back initial position and can cut, the controllable motor 8 reversal of controller 33 drives cutting section of thick bamboo 7 reversal, cutting section of thick bamboo 7 reversal equally can cut, owing to adopt synchronous machine or servo motor to drive to and adopt synchronous belt 19 transmission, can carry out accurate control, the angle of corotation and reversal only needs unanimous can, cutting section of thick bamboo 7 corotation once, the reversal cuts once like this, can improve work efficiency.

The utility model adopts the structure that the frame is provided with the sliding platform, and the sliding platform is provided with the rotary cutting device, the pipe clamping device and the second cylinder, so that the circular pipe can be cut off under the condition that the circular pipe production line does not stop, the electric energy can be saved, and the working efficiency can be improved; secondly, adopt step motor or servo motor to pass through synchronous belt drive cutting section of thick bamboo and rotate, easily control, the precision is high, and cutting section of thick bamboo just can be cut in addition just reversing, can further improve work efficiency.

The above description is only an embodiment of the present invention, and the protection scope of the present invention is subject to the protection scope defined by the claims.

Claims

1. A circular tube cutting device comprises a machine base (1); the method is characterized in that: the front side and the rear side of the machine base (1) are provided with slideways (2), and the slideways (2) are provided with sliding platforms (3) capable of sliding left and right; the left end of the sliding platform (3) is provided with a first adjustable sliding seat (5) capable of moving back and forth, a support (6) is arranged on the first adjustable sliding seat (5), a rotary cutting device is arranged on the support (6), the rotary cutting device comprises a cutting cylinder (7) which penetrates through the middle of the support (6) and is connected with the support in a rotating mode and a motor (8) arranged at the top of the support (6), the inner diameter of the cutting cylinder (7) is larger than the outer diameter of a round pipe to be cut, the axis of the cutting cylinder (7) is horizontally arranged along the left side and the right side, a first air cylinder (9) is radially arranged at the left end of the cutting cylinder (7), a cutting gun (11) which is radially arranged along the cutting cylinder (7) is arranged on a piston rod of the first air cylinder (9), and a cutting nozzle (12) of the cutting gun (11) can penetrate through a through hole; the motor (8) is in transmission connection with the cutting cylinder (7); a second adjustable sliding seat (20) capable of moving back and forth is arranged in the middle of the sliding platform (3), and a pipe clamping device is arranged on the second adjustable sliding seat (20); a main cutting machine (24) is arranged at the right end of the sliding platform (3), and the main cutting machine (24) is connected with a cutting gun (11); a second cylinder (29) is arranged at the left end of the base (1), a cylinder barrel of the second cylinder (29) is fixedly connected with the base (1), and the end part of a piston rod of the second cylinder (29) is fixedly connected with the left end of the sliding platform (3); be equipped with first solenoid valve (30), second solenoid valve (31) and controller (33) on frame (1), first solenoid valve (30) are through high-pressure air pipe connection first cylinder (9) and high pressurized air source, second solenoid valve (31) are through high-pressure air pipe connection second cylinder (29) and high pressurized air source, first solenoid valve (30), second solenoid valve (31), motor (8) and cutting machine host computer (24) all are connected and controlled by it with controller (33) electricity, controller (33) external power supply.

2. A round tube cutting apparatus as defined in claim 1, wherein: the slide (2) is a steel pipe, a first roller (4) is arranged at the bottom of the sliding platform (3), and the first roller (4) can roll left and right on the steel pipe.

3. A round tube cutting apparatus as defined in claim 1, wherein: the main machine of cutting machine (24) is the main machine of plasma cutting machine, and cutting gun (11) are the plasma cutting gun, and main machine of cutting machine (24) are connected the plasma cutting gun through highly-compressed air hose and electric wire (25).

4. A round tube cutting apparatus as defined in claim 1, wherein: the end part of a piston rod of the first air cylinder (9) is connected with a connecting rod (14), the end part of the connecting rod (14) is provided with a second roller (15), the second roller (15) can penetrate through the through hole (13) to extend into the cutting cylinder (7), and the distance from the bottom of the second roller (15) to the axis of the cutting cylinder (7) is smaller than the distance from a cutting nozzle (12) of the cutting gun (11) to the axis of the cutting cylinder (7).

5. A round tube cutting apparatus as defined in claim 1, wherein: and a piston rod of the first cylinder (9) is provided with an adjustable cutting gun (11) frame (10), and the cutting gun (11) is arranged on the adjustable cutting gun (11) frame (10).

6. A round tube cutting apparatus as defined in claim 1, wherein: the left axial section of the cutting cylinder (7) is in an H shape to form a first reel (26), a second reel (27) is arranged above the first reel (26), and the second reel (27) is rotatably connected with a wheel carrier (28) arranged on the sliding platform (3).

7. A round tube cutting apparatus as defined in claim 1, wherein: the motor (8) is a stepping motor or a servo motor.

8. A round tube cutting apparatus as defined in claim 1, wherein: the cutting machine is characterized in that a rotating shaft (16) rotatably connected with the support (6) is arranged on the support, a driving gear (17) is arranged at one end of the rotating shaft (16), the driving gear (17) is meshed with a driven gear (18) arranged on the outer cylinder wall of the cutting cylinder (7), and the other end of the rotating shaft (16) is in transmission connection with a motor (8) through a synchronous belt (19).

9. A round tube cutting apparatus as defined in claim 1, wherein: the pipe clamping device comprises two separable semicircular clamping arms (21), the clamping arms (21) and the cutting barrel (7) are coaxially arranged, the outer side of one clamping arm (21) is connected with a third air cylinder (23) arranged on the platform of the slide way (2), the third air cylinder (23) is connected with a third electromagnetic valve (32) arranged on the machine base (1) through a high-pressure air pipe, and the third electromagnetic valve (32) is connected with a high-pressure air source and a controller (33).

10. A round tube cutting apparatus as defined in claim 9, wherein: and a bush (22) is arranged on the inner side of the clamping arm (21).