CN216028647U

CN216028647U - Spiral welded pipe cutting device

Info

Publication number: CN216028647U
Application number: CN202121104948.3U
Authority: CN
Inventors: 翟亚斌; 张志强; 雷志海; 程艳飞; 翟思宸
Original assignee: Taiyuan Si Chen Machinery Equipment Co ltd
Current assignee: Taiyuan Si Chen Machinery Equipment Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2022-03-15
Anticipated expiration: 2031-05-19

Abstract

The utility model relates to the technical field of cutting devices, and discloses a spiral welded pipe cutting device which comprises a supporting seat, wherein a supporting pipe is fixedly connected to the inner wall of the supporting seat, and a cutting mechanism and a rotary clamping assembly are sequentially arranged on the inner wall of the supporting pipe from right to left; the cutting mechanism is including setting up the supporting shoe in the stay tube, and the lower extreme center department of supporting shoe is connected with the cutting rifle head, and the upper end center department of supporting shoe rotates through the bearing frame to be connected with the threaded rod, and the position that corresponds the threaded rod on the top pipe wall of stay tube sets up threaded hole, and the upper end of threaded rod passes the threaded hole and extends to the stay tube outward, and threaded rod and threaded hole threaded connection, and the upper end of supporting shoe has the locating part about the bearing frame symmetric connection. The spiral welding pipe cutting device is not only suitable for cutting spiral welding pipes with different sizes, but also enables the outer flame of the cutting gun head to cut the spiral welding pipes, and improves the cutting effect.

Description

Spiral welded pipe cutting device

Technical Field

The utility model relates to the technical field of cutting devices, in particular to a spiral welded pipe cutting device.

Background

The spiral welded pipe is a pipe blank formed by coiling a low-carbon structural steel belt into a pipe blank according to the angle of a certain spiral line and then welding the pipe seam, has great effect in the petroleum field of the spiral welded pipe, and is often cut by a cutting gun in the production process of the spiral welded pipe for petroleum so as to ensure that the manufactured spiral welded pipe meets the use requirement.

At present, when the spiral welded pipe is cut, a cutting gun head is generally adopted to cut the spiral welded pipe from top to bottom, and the cutting effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the cutting effect is poor because a cutting gun head is generally adopted to cut a spiral welded pipe from top to bottom when the spiral welded pipe is cut in the prior art, and provides a spiral welded pipe cutting device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a spiral welded pipe cutting device comprises a supporting seat, wherein a supporting pipe is fixedly connected to the inner wall of the supporting seat, and a cutting mechanism and a rotary clamping assembly are sequentially installed on the inner wall of the supporting pipe from right to left;

the cutting mechanism comprises a supporting block arranged in a supporting pipe, the center of the lower end of the supporting block is connected with a cutting gun head, the center of the upper end of the supporting block is rotatably connected with a threaded rod through a bearing seat, a threaded hole is formed in the top pipe wall of the supporting pipe corresponding to the threaded rod, the upper end of the threaded rod penetrates through the threaded hole and extends out of the supporting pipe, the threaded rod is in threaded connection with the threaded hole, and the upper end of the supporting block is symmetrically connected with a limiting part about the bearing seat.

Preferably, the rotary clamping assembly comprises a sealing bearing, the sealing bearing is fixedly connected to an inner wall of the support tube, a clamping tube is fixedly connected to an inner ring wall of the sealing bearing, two ends of the clamping tube penetrate through the sealing bearing and extend outwards, a rotary driving member is connected to an outer wall of the clamping tube, air cylinders are symmetrically connected to the inner wall of the clamping tube, and an output end of each air cylinder is connected with an arc-shaped clamping plate.

Preferably, the limiting part comprises a limiting rod, the limiting rod is fixedly connected to the upper end of the supporting block, a limiting hole is formed in the position, corresponding to the limiting rod, of the top pipe wall of the supporting pipe, and the upper end of the limiting rod penetrates through the limiting hole and extends outwards.

Preferably, the upper end of the threaded rod is fixedly connected with a rotating handle, and the annular side wall of the rotating handle is provided with anti-skid grains.

Preferably, the inner side wall of the clamping plate is connected with a rubber pad.

Preferably, the rotary driving member includes a driving motor, the driving motor is fixedly connected to the inner pipe wall of the supporting pipe, an output end of the driving motor is connected to a driving gear through a coupling, a driven gear is fixedly sleeved on the outer pipe wall of the clamping pipe, and the driving gear is engaged with the driven gear.

Compared with the prior art, the utility model provides a spiral welded pipe cutting device which has the following beneficial effects:

1. this spiral welded tube cutting device through setting up cutting mechanism, carries out the centre gripping through rotatory fixture to spiral welded tube and fixes, applys the turning force to the screw rod, according to the diameter of waiting to cut spiral welded tube, adjusts the position of cutting rifle head, not only can be applicable to not unidimensional spiral welded tube cutting, makes the outer flame of cutting rifle head cut spiral welded tube moreover, has improved cutting effect.

2. This spiral welded tube cutting device through setting up rotatory centre gripping subassembly, will treat the spiral welded tube of cutting and insert between two grip blocks in the stay tube, starts two cylinders simultaneously afterwards, and the spiral welded tube carries out the centre gripping, restarts the rotary driving spare for the spiral welded tube of cutting rifle head pairing rotation cuts, has improved the cutting effect to the spiral welded tube, makes the cutting quality to the spiral welded tube improve, and cutting efficiency accelerates.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the spiral welding pipe cutting device can be suitable for cutting spiral welding pipes with different sizes, and the outer flame of the cutting gun head can cut the spiral welding pipes, so that the cutting effect is improved.

Drawings

FIG. 1 is a schematic structural diagram of a spiral welded pipe cutting device according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: 1. a supporting seat; 2. supporting a tube; 3. a support block; 4. cutting the gun head; 5. a bearing seat; 6. a threaded rod; 7. a threaded hole; 8. sealing the bearing; 9. clamping the tube; 10. a cylinder; 11. a clamping plate; 12. a limiting rod; 13. a limiting hole; 14. rotating the handle; 15. a drive motor; 16. a driving gear; 17. a driven gear; 18. and (7) a rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, a spiral welded pipe cutting device comprises a supporting seat 1, wherein a supporting pipe 2 is fixedly connected to the inner wall of the supporting seat 1, and a cutting mechanism and a rotary clamping assembly are sequentially arranged on the inner wall of the supporting pipe 2 from right to left;

the cutting mechanism comprises a supporting block 3 arranged in a supporting tube 2, the center of the lower end of the supporting block 3 is connected with a cutting gun head 4, the center of the upper end of the supporting block 3 is rotatably connected with a threaded rod 6 through a bearing seat 5, the position of the top tube wall of the supporting tube 2, which corresponds to the threaded rod 6, is provided with a threaded hole 7, the upper end of the threaded rod 6 penetrates through the threaded hole 7 and extends out of the supporting tube 2, the threaded rod 6 is in threaded connection with the threaded hole 7, the upper end of the supporting block 3 is symmetrically connected with limiting parts about the bearing seat 5, a spiral welding tube is clamped and fixed through a rotary clamping mechanism, a rotating force is applied to the threaded rod, the threaded rod drives the cutting gun head to move in a synchronous vertical direction through the bearing seat and the supporting block according to the rotating direction in the threaded hole, and the supporting block can not drive the supporting block to rotate through the rotation of the bearing seat, and make the supporting shoe can only be the motion of vertical direction through the locating part, according to the diameter of waiting to cut spiral welded pipe, the position of adjustment cutting rifle head not only can be applicable to the cutting of not unidimensional spiral welded pipe, makes the outer flame of cutting rifle head cut spiral welded pipe moreover, has improved cutting effect.

The rotary clamping assembly comprises a sealing bearing 8, the sealing bearing 8 is fixedly connected on the inner wall of the supporting pipe 2, a clamping pipe 9 is fixedly connected on the inner ring wall of the sealing bearing 8, two ends of the clamping pipe 9 penetrate through the sealing bearing 8 and extend outwards, a rotary driving piece is connected on the outer wall of the clamping pipe 9, air cylinders 10 are symmetrically connected on the inner wall of the clamping pipe 9, the output end of the air cylinder 10 is connected with an arc-shaped clamping plate 11, a spiral welded pipe to be cut is inserted between the two clamping plates in the supporting pipe, then the two air cylinders are simultaneously started, the two air cylinders push the two clamping plates to move oppositely to clamp the spiral welded pipe, the spiral welded pipe is overlapped with the axis of the supporting pipe, the rotary driving piece is started again to drive the supporting pipe to rotate in the sealing bearing, so that the cutting gun head cuts the spiral welded pipe rotating, the cutting effect of the spiral welded pipe is improved, the cutting quality of the spiral welded pipe is improved, and the cutting efficiency is accelerated.

The locating part includes gag lever post 12, and gag lever post 12 fixed connection has seted up spacing hole 13 in the upper end of supporting shoe 3, and spacing hole 13 and outside extension are passed to gag lever post 12's upper end on the top pipe wall of stay tube 2 corresponding gag lever post 12, because the gag lever post can only slide in spacing hole, and then spacing to the direction of motion of supporting shoe.

The upper end of the threaded rod 6 is fixedly connected with a rotating handle 14, the annular side wall of the rotating handle 14 is provided with anti-skidding threads, and the rotating handle is held to drive the threaded rod to rotate.

The rubber pad 18 is connected on the inside wall of the clamping plate 11, and the friction force of the clamping plate when the spiral welded pipe is clamped is improved through the rubber pad 18.

The rotary driving part comprises a driving motor 15, the driving motor 15 is fixedly connected to the inner pipe wall of the supporting pipe 2, the output end of the driving motor 15 is connected with a driving gear 16 through a coupler, a driven gear 17 is fixedly sleeved on the outer pipe wall of the clamping pipe 9, the driving gear 16 is meshed with the driven gear 17, the driving motor is started, the driving gear is driven by the driving motor to rotate, and the supporting pipe can be driven to synchronously rotate through the driven gear meshed with the driving gear.

According to the utility model, a spiral welded pipe to be cut is inserted between two clamping plates 11 in a supporting pipe 2, then two air cylinders 10 are started simultaneously, the two air cylinders 10 push the two clamping plates 11 to move in opposite directions to clamp the spiral welded pipe, the spiral welded pipe is overlapped with the axis of the supporting pipe 2, and then a rotary driving piece is started to drive the supporting pipe 2 to rotate in a sealed bearing 8, so that the spiral welded pipe is driven to rotate, a cutting gun head 4 cuts the rotary spiral welded pipe, the cutting effect of the spiral welded pipe is improved, the cutting quality of the spiral welded pipe is improved, and the cutting efficiency is accelerated; apply the turning force to threaded rod 6, along with threaded rod 6 is at screw hole 7 internal rotation, threaded rod 6 passes through bearing frame 5 and the motion that synchronous vertical direction was done to supporting shoe 3 according to the direction of rotation in the screw hole 7, make threaded rod 6 rotate through bearing frame 5 and can not drive supporting shoe 3 and rotate, and make the motion that vertical direction can only be done to supporting shoe 3 through the locating part, according to the diameter of waiting to cut spiral welded pipe, the position of adjustment cutting rifle head 4, not only can be applicable to not unidimensional spiral welded pipe cutting, and make 4 outer flames of cutting rifle head cut spiral welded pipe, and the cutting effect is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A spiral welded pipe cutting device comprises a supporting seat (1), and is characterized in that a supporting pipe (2) is fixedly connected to the inner wall of the supporting seat (1), and a cutting mechanism and a rotary clamping assembly are sequentially installed on the inner wall of the supporting pipe (2) from right to left;

cutting mechanism is including setting up supporting shoe (3) in stay tube (2), the lower extreme center department of supporting shoe (3) is connected with cutting rifle head (4), the upper end center department of supporting shoe (3) rotates through bearing frame (5) and is connected with threaded rod (6), correspond threaded rod (6) position set up threaded hole (7) on the top pipe wall of stay tube (2), the upper end of threaded rod (6) is passed threaded hole (7) and is extended outside stay tube (2), and threaded rod (6) and threaded hole (7) threaded connection, the upper end of supporting shoe (3) has the locating part about bearing frame (5) symmetric connection.

2. The spiral welded pipe cutting device according to claim 1, wherein the rotary clamping assembly comprises a sealing bearing (8), the sealing bearing (8) is fixedly connected to the inner wall of the support pipe (2), a clamping pipe (9) is fixedly connected to the inner ring wall of the sealing bearing (8), two ends of the clamping pipe (9) penetrate through the sealing bearing (8) and extend outwards, a rotary driving member is connected to the outer wall of the clamping pipe (9), air cylinders (10) are symmetrically connected to the inner wall of the clamping pipe (9), and an output end of each air cylinder (10) is connected with an arc-shaped clamping plate (11).

3. The spiral welded pipe cutting device according to claim 1, wherein the limiting member comprises a limiting rod (12), the limiting rod (12) is fixedly connected to the upper end of the supporting block (3), a limiting hole (13) is formed in the top pipe wall of the supporting pipe (2) at a position corresponding to the limiting rod (12), and the upper end of the limiting rod (12) penetrates through the limiting hole (13) and extends outwards.

4. The spiral welded pipe cutting device according to claim 1, wherein a rotating handle (14) is fixedly connected to the upper end of the threaded rod (6), and the annular side wall of the rotating handle (14) is provided with anti-skid grains.

5. A spiral welded pipe cutting apparatus as claimed in claim 2, wherein rubber pads (18) are attached to the inner side walls of the clamping plates (11).

6. The spiral welded pipe cutting device according to claim 2, wherein the rotary driving member comprises a driving motor (15), the driving motor (15) is fixedly connected to the inner pipe wall of the supporting pipe (2), the output end of the driving motor (15) is connected with a driving gear (16) through a coupling, a driven gear (17) is fixedly connected to the outer pipe wall of the clamping pipe (9), and the driving gear (16) is meshed with the driven gear (17).