CN217165895U

CN217165895U - Sizing device for welded pipe

Info

Publication number: CN217165895U
Application number: CN202123451221.5U
Authority: CN
Inventors: 张晨旭
Original assignee: Wuxi Jinrun Steel Pipe Co ltd
Current assignee: Wuxi Jinrun Steel Pipe Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-12
Anticipated expiration: 2031-12-31

Abstract

The utility model belongs to the technical field of the sizing processing and specifically relates to a sizing device for weld pipe is related to, and it includes workstation and sizing pipe, sizing pipe fixed connection be in on the workstation, sizing intraductal sliding connection has spacing roller and control the control assembly that spacing roller removed, spacing roller is provided with two sets ofly at least, spacing roller with the axis of sizing pipe sets up relatively on the lateral wall of sizing pipe, the lateral wall of spacing roller offsets with the lateral wall of welding pipe, and this application has the effect that improves the sizing effect.

Description

Sizing device for welded pipe

Technical Field

The application relates to the field of sizing processing, in particular to a sizing device for a welded pipe.

Background

The welded steel pipe is also called welded pipe, and is made up by using steel plate or band steel through the processes of coiling and forming and welding, and its sizing process is an important process for producing steel pipe, and is characterized by that it uses a roller to form the hole form whose diameter is less than that of blank, and when the steel pipe is passed through, the roller can force the steel pipe to produce plastic deformation so as to reduce its diameter.

The adjustable sizing device with the publication number of CN204136411U comprises a sizing ring, a bushing and an adjusting part, wherein the sizing ring is a cylinder with the outer diameter consistent with the inner diameter of a bell-mouthed lining pipe, the cylindrical surface of the sizing ring is provided with an adjusting opening, the adjusting part is arranged on the inner wall of the sizing ring and is fixedly connected with the two ends of the adjusting opening, the bushing is sleeved on the outer surface of the sizing ring and is fixedly connected with the outer surface of the sizing ring, when the adjustable sizing device is used, after a hot melting process of a steel pipe is completed, a bell-mouthed die is opened, the adjustable sizing device is placed into a pipe hole of the bell-mouthed lining pipe of the steel pipe, then an adjusting bolt is screwed by a wrench, the hole diameter is tightly supported, the adjusting bolt is loosened after cooling, and the adjustable sizing device is taken out.

However, the sizing ring is a circular ring in a natural state, the radian of the sizing ring changes when the sizing ring is adjusted, and the inner side wall of the sizing ring and the side wall of the steel pipe cannot be completely attached, so that the sizing effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the sizing effect, the application provides a sizing device for welded tube.

The application provides a sizing device for welded tube adopts following technical scheme:

the utility model provides a sizing device for welding pipe, includes workstation and sizing pipe, sizing pipe fixed connection be in on the workstation, sizing intraductal sliding connection has spacing roller and control the control assembly that spacing roller removed, spacing roller is provided with two sets ofly at least, spacing roller with the axis of sizing pipe sets up relatively on the lateral wall of sizing pipe, the lateral wall of spacing roller offsets with the lateral wall of welding pipe.

Through adopting above-mentioned technical scheme, will weld the pipe and push the reducing pipe, weld being located of pipe between the spacing roller, make spacing roller along the axial displacement who welds the pipe through control assembly to roll the outer wall that welds the pipe to spacing roller, thereby be convenient for carry out the sizing to the pipe that welds, the lateral wall of spacing roller offsets with the outer wall that welds the pipe, thereby spacing roller is when carrying out the sizing to the pipe that welds, spacing roller closely laminates with the pipe that welds, thereby has improved the sizing effect.

Optionally, the control assembly includes adjusting pole and gag lever post, it connects to adjust the pole rotation on the sizing pipe, be provided with the screw thread on the regulation pole, spacing roller threaded connection is in adjust on the pole, gag lever post fixed connection be in on the sizing pipe, the gag lever post runs through spacing roller and with spacing roller sliding fit.

Through adopting above-mentioned technical scheme, rotate the regulation pole, spacing roller removes along adjusting the pole to be convenient for remove spacing roller.

Optionally, the limiting rollers are provided with four groups, the control assembly is correspondingly provided with four groups, and the four limiting rollers are arranged on the side wall of the sizing pipe along the circumference of the axis of the sizing pipe.

Through adopting above-mentioned technical scheme, spacing roller has improved the degree of surrounding of spacing roller to the welded tube along welded tube a week setting to the sizing effect has been improved.

Optionally, the adjusting rod is arranged obliquely towards the axis of the sizing pipe.

By adopting the technical scheme, when the limiting roller moves along the direction that the welded pipe enters the sizing pipe, the distance between the limiting roller and the axis of the welded pipe is smaller and smaller, so that the welded pipe is conveniently gradually reduced in the size of the outer diameter, and the welded pipe is conveniently sized.

Optionally, the adjusting rod is connected with a bevel gear, one end of the sizing pipe, which is used for feeding the pipe, is connected with a linkage toothed ring, and the bevel gear is meshed with the linkage toothed ring.

By adopting the technical scheme, the bevel gear on one adjusting rod is rotated, the bevel gear drives the linkage toothed ring to rotate, the linkage toothed ring and the bevel gear rotate in opposite directions, and the linkage toothed ring drives other bevel gears to rotate, so that all the bevel gears synchronously rotate in the same direction, and all the adjusting rods are convenient to rotate.

Optionally, still be connected with the posting in the sizing pipe, the posting is followed the axial setting of sizing pipe is in one side of adjusting the pole, the posting internal rotation is connected with the registration roller, the registration roller is provided with two, two the registration roller with the axle center of posting sets up as central symmetry on the posting.

Through adopting above-mentioned technical scheme, spacing roller carries out the sizing to the welded tube and rolls the back, will weld the pipe and impel towards the registration roller, and the registration roller rolls from the welded tube surface to carry out the secondary sizing to the welded tube, improved the roughness on welded tube surface, improved the sizing effect of welded tube.

Optionally, the sizing pipe is sleeved with a shell, the sizing pipe is provided with a plurality of ventilation holes, and the shell is connected with a cooling fan.

By adopting the technical scheme, the cooling fan is started, and cools the welded pipe after the sizing is finished, so that the forming and sizing speed of the welded pipe is increased.

Optionally, a clamping cylinder is connected to the workbench in a sliding mode, the clamping cylinder and the sizing pipe are coaxially arranged, a plurality of positioning cylinders are connected to the clamping cylinder, and the positioning cylinders are arranged in the clamping cylinder by taking the axis of the clamping cylinder as a center circumference array.

Through adopting above-mentioned technical scheme, insert the one end of welded tube in pressing from both sides a section of thick bamboo, press from both sides the tip of welded tube tightly through positioning cylinder, remove and press from both sides a section of thick bamboo to be convenient for remove the welded tube, will weld the tube and remove towards the sizing pipe.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the welded pipe is pushed into the sizing pipe, the welded pipe is positioned between the limiting rollers, the limiting rollers are enabled to move along the axial direction of the welded pipe through the control assembly, so that the limiting rollers roll the outer wall of the welded pipe, the welded pipe is sized conveniently, the side walls of the limiting rollers abut against the outer wall of the welded pipe, and therefore when the limiting rollers size the welded pipe, the limiting rollers are tightly attached to the welded pipe, and the sizing effect is improved;

2. when the limiting roller moves along the direction that the welded pipe enters the sizing pipe, the distance between the limiting roller and the axis of the welded pipe is smaller and smaller, so that the outer diameter of the welded pipe is conveniently reduced step by step, and the welded pipe is convenient to size;

3. and starting the cooling fan, and cooling the welded pipe subjected to sizing by the cooling fan, so that the forming and sizing speed of the welded pipe is increased.

Drawings

FIG. 1 is a schematic overall structure for embodying a sizing apparatus for welded tubes;

FIG. 2 is a schematic view for showing the positional relationship between the adjusting lever and the limit roller;

FIG. 3 is an enlarged view of portion A of FIG. 1 illustrating the positional relationship between the bevel gears and the interlocking toothed ring;

FIG. 4 is an enlarged view of the part B of FIG. 2 for showing the position relationship between the limiting rod and the mounting block;

description of reference numerals:

1. a work table; 2. sizing the pipe; 3. a housing; 4. a vent hole; 5. an installation port; 6. a cooling fan; 7. a positioning frame; 8. a positioning roller; 9. adjusting a rod; 10. a limiting rod; 11. a motor; 12. a bevel gear; 13. a linkage toothed ring; 14. mounting blocks; 15. a limiting roller; 16. a chute; 17. a screw; 18. a pillar; 19. a clamping cylinder; 20. and (5) positioning the air cylinder.

Detailed Description

The embodiment of the application discloses a sizing device for a welded pipe.

Referring to fig. 1 and 2, the sizing device for the welded pipe comprises a workbench 1 and a sizing pipe 2, wherein the sizing pipe 2 is fixedly connected to the workbench 1.

Referring to fig. 1 and 2, the sizing pipe 2 is sleeved with a shell 3, the shell 3 is connected with the sizing pipe 2 at intervals, the sizing pipe 2 is provided with a plurality of vent holes 4, the shell 3 is provided with an installation opening 5, the vent holes 4 are located on one side of the sizing pipe 2, the installation opening 5 is located on the shell 3 and on the same side with the vent holes 4, the shell 3 is connected with a cooling fan 6, and the cooling fan 6 is located in the installation opening 5.

Referring to fig. 2, be connected with locating frame 7 on the inside wall of sizing pipe 2, locating frame 7 is provided with two along the axial of sizing pipe 2, locating frame 7 is located the inside one side of sizing pipe 2 to be located the homonymy with installing port 5, the internal rotation of locating frame 7 is connected with registration roller 8, registration roller 8 is provided with two, registration roller 8 on one locating frame 7 sets up on locating frame 7 along vertical direction symmetry, registration roller 8 on another locating frame 7 sets up on locating frame 7 along horizontal direction symmetry.

Referring to fig. 2 and 3, the internal diameter of one side of locating frame 7 is kept away from to registration arm 2, the axial along registration arm 2 is towards locating frame 7 and is reduced gradually, sliding connection has spacing roller 15 and the control assembly of the spacing roller 15 of control to remove in sizing tube 2, spacing roller 15 is provided with two at least, spacing roller 15 is provided with four in this embodiment, four spacing rollers 15 set up on the lateral wall of sizing tube 2 with the axis circumference of sizing tube 2, the axial of spacing roller 15 is perpendicular with the axial of welded tube, spacing roller 15 and control assembly all are located one side that locating frame 7 is used for advancing the tip of pipe towards sizing tube 2.

Referring to fig. 2, 3 and 4, the control assembly is also provided with four corresponding limiting rollers 15, the control assembly comprises an adjusting rod 9 and a limiting rod 10, the four adjusting rods 9 are arranged on the side wall of the sizing pipe 2 along the axial circumference of the sizing pipe 2, the adjusting rod 9 is arranged towards the axial line of the sizing pipe 2 in an inclined manner, a support plate corresponding to a bevel gear 12 is connected on the inner wall of the sizing pipe 2, the adjusting rod 9 is rotatably connected on the support plate, the adjusting rod 9 penetrates through the support plate and is connected with the bevel gear 12, a support is connected on the housing 3, a motor 11 is connected on the support, the output shaft of the motor 11 is connected with the bevel gear 12, one end of the sizing pipe 2 for pipe feeding is connected with a linkage toothed ring 13, the teeth of the linkage toothed ring 13 are arranged on the inner wall of the linkage toothed ring 13, the bevel gear 12 is meshed with the linkage toothed ring 13, the adjusting rod 9 is provided with threads, and a mounting block 14 is connected on the adjusting rod 9 by threads, the limiting roller 15 is rotatably connected to the mounting block 14, the limiting rod 10 is fixedly connected to the support plate, and the limiting rod 10 penetrates through the mounting block 14 and is in sliding fit with the mounting block 14.

Referring to fig. 1 and 2, the workbench 1 is provided with two sliding grooves 16 along the axial direction of the welding pipe, the two sliding grooves 16 are symmetrically arranged by taking the sizing pipe 2 as a center, the sliding grooves 16 are rotationally connected with a screw rod 17, the workbench 1 is connected with a driving machine, the screw rod 17 penetrates through the workbench 1 and is connected with the driving machine, the screw rod 17 is connected with a strut 18 in a threaded manner, the side wall of the strut 18 abuts against the sliding grooves 16, one end of the strut 18, which is far away from the workbench 1, is connected with a clamping cylinder 19, the opening of the clamping cylinder 19 faces the sizing pipe 2, the clamping cylinder 19 is coaxially arranged with the sizing pipe 2, the clamping cylinder 19 is internally connected with a plurality of positioning cylinders 20, and the positioning cylinders 20 are circumferentially arrayed in the clamping cylinder 19 by taking the axis of the clamping cylinder 19 as the center.

The implementation principle of the sizing device for the welded pipe in the embodiment of the application is as follows: inserting one end of a welded pipe into a clamping barrel 19 far away from a positioning frame 7, starting a positioning cylinder 20, enabling the positioning cylinder 20 to tightly abut against the welded pipe from the periphery of the welded pipe so as to clamp the welded pipe tightly, starting a cooling fan 6, conveying cold air towards the position of the positioning frame 7 through a vent hole 4 by the cooling fan 6, then starting a driving machine, driving the screw rod 17 to rotate by the driving machine, enabling the support column 18 to move along the screw rod 17 so as to push the welded pipe towards a sizing pipe 2 until the welded pipe is positioned between adjusting rods 9, then starting a motor 11, driving a bevel gear 12 and the adjusting rods 9 connected with the motor 11 to rotate by the motor 11, driving a linkage toothed ring 13 by the bevel gear 12, rotating the linkage toothed ring 13 and the bevel gear 12 in opposite directions, driving other bevel gears 12 to rotate by the linkage toothed ring 13 so as to enable all bevel gears 12 to synchronously rotate towards the same direction, and driving the mounting block 14 to move towards the positioning frame 7 along the adjusting rods 9, the limiting roller 15 moves on the outer side wall of the welded pipe, the distance between the limiting roller 15 and the axis of the welded pipe is smaller and smaller, so that the outer diameter of the welded pipe is gradually reduced, then the driving machine is started again, the driving machine drives the screw rod 17 to rotate, the welded pipe moves towards the positioning frame 7, the welded pipe passes through the positioning rollers 8, the positioning rollers 8 roll along with the movement of the welded pipe, the cooling fan 6 cools the welded pipe which finishes sizing, when the end part of the welded pipe is exposed out of the sizing pipe 2, the end part of the welded pipe is inserted into the clamping barrel 19 close to the positioning frame 7, the positioning cylinder 20 is started, the positioning cylinder 20 abuts against the welded pipe from the periphery of the welded pipe, so that the welded pipe is clamped, the clamping barrel 19 far away from the positioning frame 7 is released from clamping of the welded pipe, then the driving machine is started, the screw rod 17 is driven to rotate, the support column 18 moves along the screw rod 17, so that the welded pipe is pulled out of the sizing pipe 2, so that the welded pipe is finished, when the limiting roller 15 and the positioning roller 8 are used for sizing the welded pipe, the limiting roller 15 and the positioning roller 8 are tightly attached to the welded pipe, and when the welded pipe passes through the positioning frame 7, the cooling fan 6 accelerates the forming and sizing speed of the welded pipe, so that the sizing effect is improved.

Claims

1. The utility model provides a sizing device for welded tube, includes workstation (1) and sizing tube (2), sizing tube (2) fixed connection be in on workstation (1), its characterized in that: spacing roller (15) and control sliding connection have in sizing tube (2) the control assembly that spacing roller (15) removed, spacing roller (15) are provided with two sets ofly at least, spacing roller (15) with the axis of sizing tube (2) sets up relatively on the lateral wall of sizing tube (2), the lateral wall of spacing roller (15) offsets with the lateral wall of welding the pipe.

2. A sizing device for welded tubes according to claim 1, characterized in that: the control assembly is including adjusting pole (9) and gag lever post (10), it connects to adjust pole (9) rotation on sizing pipe (2), be provided with the screw thread on adjusting pole (9), spacing roller (15) threaded connection is in on adjusting pole (9), gag lever post (10) fixed connection be in on sizing pipe (2), gag lever post (10) run through spacing roller (15) and with spacing roller (15) sliding fit.

3. A sizing device for welded tubes according to claim 2, characterized in that: the limiting rollers (15) are provided with four groups, the control assembly is correspondingly provided with four groups, and the four limiting rollers (15) are arranged on the side wall of the sizing pipe (2) along the circumference of the axis of the sizing pipe (2).

4. A sizing device for welded tubes according to claim 3, characterized in that: the adjusting rod (9) is obliquely arranged towards the axis of the sizing pipe (2).

5. A sizing device for welded tubes according to claim 4, characterized in that: the pipe sizing device is characterized in that the adjusting rod (9) is connected with a bevel gear (12), one end, used for pipe feeding, of the sizing pipe (2) is connected with a linkage toothed ring (13), and the bevel gear (12) is meshed with the linkage toothed ring (13).

6. A sizing device for welded tubes according to claim 5, characterized in that: still be connected with posting (7) in sizing tube (2), posting (7) are followed the axial setting of sizing tube (2) is in the one side of adjusting pole (9), posting (7) internal rotation is connected with registration roller (8), registration roller (8) are provided with two, two registration roller (8) with the axle center of posting (7) sets up as central symmetry on posting (7).

7. A sizing device for welded tubes according to claim 1, characterized in that: the sizing pipe (2) is sleeved with a shell (3), the sizing pipe (2) is provided with a plurality of ventilation holes (4), and the shell (3) is connected with a cooling fan (6).

8. A sizing device for welded tubes according to claim 7, characterized in that: sliding connection has a clamp (19) on workstation (1), clamp (19) with sizing tube (2) coaxial setting, it has a plurality of location cylinder (20) to press from both sides a section of thick bamboo (19) in-connection, location cylinder (20) with the axle center of pressing from both sides a section of thick bamboo (19) is in as central circumference array in clamp (19).