CN209953654U

CN209953654U - Bulging device for bent steel pipe joint

Info

Publication number: CN209953654U
Application number: CN201920694563.3U
Authority: CN
Inventors: 张弓长
Original assignee: Wenzhou Zhengxin Pipe Industry Co Ltd
Current assignee: Wenzhou Zhengxin Pipe Industry Co Ltd
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-01-17
Anticipated expiration: 2029-05-15

Abstract

The utility model relates to a steel pipe production facility, in particular to curved steel pipe joint bulge device. Including the workstation, detachable is equipped with the lower mould on the workstation, is equipped with both ends on the lower mould and has the open-ended return bend fixed slot, the workstation on be equipped with respectively with the punishment that corresponds of open-ended and can insert in the return bend and to the swell mechanism of return bend, last mould top be equipped with can be to the fixed subassembly of return bend fixed. The bulging mechanism comprises a bulging head and bulging cylinders, the bulging cylinders are fixed on the workbench, the positions of the two bulging cylinders are arranged in the vertical direction, one end of each bulging head is aligned with the opening, and the other end of each bulging head is connected with the corresponding bulging cylinder through a cylinder shaft. An object of the utility model is to provide a can carry out the curved steel pipe joint bulging device of bulging to curved steel pipe both ends joint, make curved steel pipe joint's both ends not need the welding can realize the bulging, improve production efficiency, and the phenomenon that the welding department revealed can not appear.

Description

Bulging device for bent steel pipe joint

Technical Field

The utility model relates to a steel pipe production facility, in particular to curved steel pipe joint bulge device.

Background

Stainless steel pipe is the indispensable part in industry field and the life field among people's daily life, and stainless steel pipe is in the installation, links together many steel pipes, therefore the both ends of the joint of steel pipe need be bloated, and present steel pipe has except that ordinary strip connects, elbow fitting in addition, and the both ends of present elbow fitting are when the swell, are directly great pipe fitting welding on elbow fitting, and technology is complicated, and the welding department reveals easily.

Disclosure of Invention

In order to overcome the deficiency of the background art, the utility model aims to provide a can carry out the curved steel pipe joint bulging device of swell to curved steel pipe both ends joint, make curved steel pipe joint's both ends do not need the welding can realize the swell, improve production efficiency, and the phenomenon that the welding department revealed can not appear.

The utility model adopts the technical proposal that: the utility model provides a curved steel pipe joint swell device, including the workstation, detachable is equipped with the lower mould on the workstation, is equipped with both ends on the lower mould and has the open-ended return bend fixed slot, the workstation on do not be equipped with the punishment that corresponds of open-ended and can insert in the return bend and to the swell mechanism of return bend, lower mould top be equipped with and to the fixed subassembly of return bend fixed.

Preferably, the bulge mechanism comprises a bulge head and bulge cylinders, the bulge cylinders are fixed on the workbench, the positions of the two bulge cylinders are arranged in the vertical direction, one end of the bulge head is aligned with the opening, and the other end of the bulge head is connected with the bulge cylinders through cylinder shafts.

Preferably, a plug is arranged at the other end of the drum head connected with the cylinder shaft, the plug and the drum head are integrally formed, and the diameter of the plug is smaller than that of the drum head.

Preferably, fixed subassembly including fixed last mould, workstation top be equipped with the mounting panel, fixed last mould locate mounting panel below and be equipped with the driving piece that makes fixed last mould reciprocate on the mounting panel, the fixed department of correspondence of going up mould and return bend fixed slot be equipped with the die cavity, should go up the die cavity and return bend fixed slot flute profile unanimity.

Preferably, the driving part comprises an upper die cylinder fixed on the mounting plate, and the fixed upper die is connected with the upper die cylinder through an upper die cylinder shaft.

Preferably, the lower die is provided with at least one positioning hole, and the fixed upper die is provided with a positioning pin capable of being inserted into the positioning hole.

Preferably, the number of the positioning holes is three, and the three positioning holes are arranged on the lower dies on two sides of the bent pipe fixing groove in a triangular shape.

Preferably, the workbench is provided with two fixing plates, the two fixing plates are vertically arranged on the workbench, the two fixing plates are arranged on the other two sides of the lower die with the opening, and the lower die is fixed with the fixing plates through screws.

The utility model has the advantages that: owing to set up the lower mould and set up the return bend fixed slot on the lower mould, when needing to the swell of return bend end, place the return bend in the return bend fixed slot, and fixed subassembly through last mould top is fixed, fixed back, the swell mechanism who corresponds with the opening makes the swell head insert in the return bend, the swell of inserted in-process realization to the return bend, the swell is good the back, the swell head leaves the return bend, fixed last mould shifts up and leaves the lower mould, the return bend takes out can, after setting up like this, overall structure is simple, can realize the swell to elbow fitting fast, do not need the welding, the process is simplified, the production efficiency is improved, can avoid simultaneously because of the revealing of the welding production.

The embodiments of the present invention will be further explained with reference to the drawings.

Drawings

FIG. 1 is a plan view of the present invention in a non-operating state;

FIG. 2 is a top view of the steel tube bulging state in the present invention;

fig. 3 is a cross-sectional view of the present invention.

Detailed Description

As shown in fig. 1-3, the utility model provides a curved steel pipe joint bulging device, including workstation 1, detachable is equipped with lower mould 2 on the workstation 1, is equipped with the return bend fixed slot 22 that both ends have opening 21 on the lower mould 2, workstation 1 on be equipped with respectively with opening 21's department of correspondence and be equipped with the bulging mechanism 3 that can insert in the return bend and bulge to the return bend, lower mould 2 top be equipped with can be to the fixed subassembly 4 of return bend. In the above-mentioned scheme, owing to set up lower mould 2 and set up return bend fixed slot 22 on lower mould 2, when needing to the swell of return bend end, place the return bend in return bend fixed slot 22, and fixed subassembly 4 through lower mould 2 top is fixed, fixed back, swell mechanism 3 that corresponds with the opening makes the swell head insert in the return bend, the swell of inserted in-process realization to the return bend, the swell is good the back, the swell head leaves the return bend, fixed subassembly 4 moves up and leaves lower mould 2, the return bend takes out can, after setting up like this, overall structure is simple, can realize fast the swell to the return bend joint, do not need the welding, the process is simplified, and the production efficiency is improved, can avoid simultaneously because of the revealing of the welding production.

The bulging mechanism 3 comprises a bulging head 31 and bulging cylinders 32, the bulging cylinders 32 are fixed on the workbench 1, the positions of the two bulging cylinders 32 are arranged in the vertical direction, one end of the bulging head 31 is aligned with the opening 21, and the other end of the bulging head is connected with the bulging cylinders 32 through cylinder shafts 33. In the above scheme, the elbow joint is fixed in the elbow fixing groove 22, the opening 21 is arranged at both ends, the bulge head 31 is driven by the bulge cylinder 32 to be inserted into the elbow or leave the elbow to realize bulge, and the structure is simple and practical.

The other end of the bulge head 31 connected with the cylinder shaft 33 is provided with a plug 34, the plug 34 and the bulge head 31 are integrally formed, and the diameter of the plug 34 is smaller than that of the bulge head 31. The diameter of the plug 34 is smaller than the diameter of the two ends of the elbow, and the diameter of the bulge head 31 is larger than the diameter of the two ends of the elbow, so that when bulging, the diameter of the plug 34 is smaller than the diameter of the elbow, the plug can be quickly inserted into the two ends of the elbow, and the diameter of the bulge head 31 is larger than the diameter of the two ends of the elbow, so that when the bulge cylinder 32 enables the bulge head 31 to be inserted towards the elbow, the bulge head 31 expands the two ends of the elbow to achieve bulging, and the whole structure is simple and practical.

Fixed subassembly 4 including fixed last mould 41, workstation 1 top be equipped with mounting panel 42, mounting panel 42 is fixed in workstation 1 top through the vertical riser of locating on workstation 1, mounting panel 42 is parallel with workstation 1, fixed last mould 41 locate mounting panel 42 below and be equipped with on mounting panel 42 and make the driving piece 5 that fixed last mould 41 reciprocated, the fixed corresponding department of going up mould 41 and return bend fixed slot 22 be equipped with die cavity 43, this die cavity 43 is unanimous with return bend fixed slot 22 flute profile. In the above-mentioned scheme, after fixed subassembly 4 sets up, after the return bend is fixed in return bend fixed slot 22, fixed mould 41 is laminated on lower mould 2 through driving piece 5 on, and the die cavity 43 is arranged in at the top of return bend, fixes the return bend in return bend fixed slot 22 like this, prevents that the return bend can remove at the swell in-process, keeps the stability of work.

The driving part 5 comprises an upper die cylinder 51 fixed on the mounting plate 42, and the fixed upper die 41 is connected with the upper die cylinder 51 through an upper die cylinder shaft 52. In the above scheme, the fixed upper die 41 is driven to move up and down through the upper die air cylinder 51, and the structure is simple and practical.

The lower die 2 is provided with at least one positioning hole 6, and the fixed upper die 41 is provided with a positioning pin 61 which corresponds to the positioning hole and can be inserted into the positioning hole 6. The positioning holes 6 are arranged to ensure that the position of the upper fixing die 41 does not deviate, and the overall stability is improved.

The number of the positioning holes 6 is three, and the three positioning holes 6 are arranged on the lower dies on two sides of the elbow fixing groove 22 in a triangular shape.

Workstation 1 on be equipped with two fixed plates 7, two vertical settings of fixed plate 7 are on workstation 1, and two fixed plates 7 arrange lower mould 2 in and set up the other both sides of opening 21, lower mould 2 pass through screw rod 71 and fixed plate 7 is fixed. The installation directions of the two fixing plates 7 are perpendicular, the lower die 2 is fixed with the fixing plates 7 through the screw rods 71, the lower die 2 is installed, and therefore different lower dies 2 can be replaced for bulging of bent pipes with different diameters.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited thereto, and any modification that utilizes the inventive concepts will be within the scope of the patent claims.

Claims

1. The utility model provides a curved steel pipe joint swell device, including the workstation, its characterized in that: detachable is equipped with the lower mould on the workstation, is equipped with both ends on the lower mould and has the open-ended return bend fixed slot, the workstation on be equipped with respectively with the punishment that corresponds of open-ended and can insert in the return bend and to the swell mechanism of return bend, lower mould top be equipped with and to the fixed subassembly of return bend fixed.

2. The bulging device for curved steel pipe joints according to claim 1, wherein: the bulging mechanism comprises a bulging head and bulging cylinders, the bulging cylinders are fixed on the workbench, the positions of the two bulging cylinders are arranged in the vertical direction, one end of each bulging head is aligned with the opening, and the other end of each bulging head is connected with the corresponding bulging cylinder through a cylinder shaft.

3. The bulging device for curved steel pipe joints according to claim 2, wherein: the other end of the drum head connected with the cylinder shaft is provided with a plug, the plug and the drum head are integrally formed, and the diameter of the plug is smaller than that of the drum head.

4. The apparatus for bulging bent steel pipe joints according to claim 1, 2 or 3, wherein: the fixed subassembly including fixed last mould, workstation top be equipped with the mounting panel, fixed last mould locate mounting panel below and mounting panel on be equipped with the driving piece that makes fixed last mould reciprocate, the fixed department of correspondence of last mould and return bend fixed slot be equipped with the die cavity, should go up the die cavity and return bend fixed slot flute profile unanimity.

5. The bulging device for curved steel pipe joints according to claim 4, wherein: the driving part comprises an upper die cylinder fixed on the mounting plate, and the fixed upper die is connected with the upper die cylinder through an upper die cylinder shaft.

6. The bulging device for curved steel pipe joints according to claim 5, wherein: the lower die is provided with at least one positioning hole, and the fixed upper die is provided with a positioning pin capable of being inserted into the positioning hole.

7. The bulging device for curved steel pipe joints according to claim 6, wherein: the three positioning holes are arranged on the lower dies on two sides of the bent pipe fixing groove in a triangular shape.

8. The bulging device for curved steel pipe joints according to claim 7, wherein: the workbench is provided with two fixing plates, the two fixing plates are vertically arranged on the workbench, the two fixing plates are arranged on the other two sides of the lower die, which are provided with openings, and the lower die is fixed with the fixing plates through screws.