CN212144089U

CN212144089U - Processing equipment for flanging of stainless steel pipe with inner lining

Info

Publication number: CN212144089U
Application number: CN202020476617.1U
Authority: CN
Inventors: 赵军; 丁明
Original assignee: Jiangsu New Sunshine Tube Industry Co ltd
Current assignee: Jiangsu New Sunshine Tube Industry Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-12-15
Anticipated expiration: 2030-04-03

Abstract

The utility model relates to the technical field of steel pipe flanging, in particular to a processing device for a flanging of a lining stainless steel pipe, which is characterized in that a first spring and a second spring are arranged, when the device is not used, the second spring is pulled by a stay cord to pull a second sliding column, the second sliding column is compressed to the maximum compression limit, an extrusion plate is raised to the highest point, meanwhile, the first sliding column is jacked to the highest position under the action of the first spring, after the lining stainless steel pipe to be flanged is placed in a fixed hole, a limiting plate is adopted to fix the stainless steel pipe in the fixed hole, the bottom end of the stainless steel pipe is tightly propped against the top end of a boss, the bottom end of the boss is cylindrical, the top end of the stainless steel pipe tightly props against the lower surface of the extrusion plate, after the stay cord is loosened, the second sliding column is downwards extruded by the second spring to drive the extrusion plate to slide, the extrusion plate downwards presses the stainless steel pipe until the bottom end of, the flanging device is simple to operate, stable in flanging process, capable of achieving vertical abutting fixation and capable of enhancing stability.

Description

Processing equipment for flanging of stainless steel pipe with inner lining

Technical Field

The utility model belongs to the technical field of the steel pipe flanging technique and specifically relates to a inside lining stainless steel pipe flanging's processing equipment.

Background

The lining stainless steel pipe is formed by compounding other functional materials or thin-wall steel pipes on the inner wall of the steel pipe, so that the corrosion resistance of the steel pipe in the processes of water transmission, gas transmission, oil transmission and the like is enhanced, the fluid resistance is reduced, and the high mechanical strength of the steel pipe is kept. At present, most stainless steel pipe flanging equipment has a complex structure, and is difficult to realize quick fixation, so that the flanging working efficiency is low, even the flanging can not be normally carried out, and the flanging cost of the stainless steel pipe is high; and the stainless steel pipe is directly flanged, so that the stainless steel pipe is easily damaged, and the flanging is difficult to be prevented from loosening during pressing, so that the flanging qualification rate is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem existing in the prior art, the utility model provides a inside lining stainless steel pipe flanging's processing equipment.

The method is realized by the following technical scheme:

the processing equipment for the flanging of the stainless steel pipe lined with the lining comprises a bottom plate, wherein a wire hole is formed in the center of the bottom plate, a lug is arranged right above the wire hole, and a heating electric wire is arranged inside the lug and can enable the outer surface of the lug to generate heat; the left end and the right end of the upper surface of the bottom plate are respectively provided with an upright post, the opposite surfaces of the two upright posts are provided with a sliding groove, a fixed partition post is arranged in the sliding groove, and the partition post divides the sliding groove into a first sliding groove and a second sliding groove; a fixing plate a is arranged at the top of the sliding groove, and a through hole penetrating up and down is formed in the fixing plate a; the top ends of the stand columns are provided with jack posts, threaded holes penetrating left and right are formed in the jack posts, rotating bolts penetrate through the threaded holes, reels are arranged on the rotating bolts on one side of opposite surfaces of the two stand columns, and the reels are located right above the through holes; a fixing plate b is arranged between the first sliding grooves, a fixing hole is formed in the center of the fixing plate b, a first sliding column is arranged at each of the left end and the right end of the fixing plate b, and the first sliding column extends into the first sliding grooves and can freely slide in the first sliding grooves; a first spring is arranged in the first sliding groove and between the first sliding column and the bottom plate; a plurality of internal thread holes are formed in the upper surface of the fixing plate b, are positioned between the fixing holes and the first sliding column and are arranged in a straight line shape in the left-right direction; two limiting plates are arranged in the fixing hole, the side of each limiting plate, which is opposite to the central point of the fixing hole, is provided with a propping rod, the other end of each propping rod is provided with a sleeve, and a fastening bolt matched with the internal thread hole penetrates through the sleeve; a squeezing plate is arranged between the second sliding grooves, a second spring is arranged between the squeezing plate and the fixing plate a and is positioned in the second sliding grooves; and a pull rope is fixedly arranged at the position where the second spring is arranged on the upper surface of the extrusion plate, and the pull rope penetrates through the through hole to be wound on the reel.

Through the arrangement of the first spring and the second spring, when the device is not used, the second spring is pulled up by the pull rope to compress the second sliding column to the maximum compression limit, the extrusion plate is lifted to the highest point, meanwhile, the first sliding column is jacked to the highest position under the action of the first spring, after the lining stainless steel pipe to be flanged is placed in the fixed hole, the stainless steel pipe is fixed in the fixed hole by the limiting plate, the bottom end of the stainless steel pipe is tightly propped against the top end of the boss, the stainless steel pipe is sleeved at the top end of the boss, the upper end of the boss is conical, the bottom end of the boss is cylindrical, the top end of the stainless steel pipe is propped against the lower surface of the extrusion plate, after the pull rope is loosened, the second sliding column is downwards squeezed by the second spring to drive the extrusion plate to slide, the extrusion plate downwards presses the stainless steel pipe until the bottom end of the stainless steel pipe is propp, the flanging device is simple to operate, the flanging process is stable, the upper and lower abutting fixation is realized, and the stability is enhanced.

In order to prevent the top end of the stainless steel pipe from sliding on the lower surface of the extrusion plate, which causes the defect of poor stability, preferably, the extrusion plate is integrally formed with a stabilizing plate on the lower surface right above the fixing hole.

In order to enhance the stability of the top end of the stainless steel pipe, it is preferable that the outer diameter of the stabilizing plate is equal to the diameter of the fixing hole, and a groove is formed on the lower surface of the stabilizing plate.

In order to conveniently meet the requirement that the tops of stainless steel pipes with different outer diameters are placed in the grooves, preferably, the inner diameters of the grooves can be adjusted.

In order to prevent the fixing plate b from shaking when the pressing flange is pressed to the position where the bottom end of the stainless steel pipe is tightly attached to the flange of the bottom plate, preferably, the lower surface of the pressing plate is provided with a pressing column, and the pressing column can push the fixing plate b to move downwards to the position where the first spring is compressed to the maximum when the second spring extends to the free length.

In order to extrude the upper surface of the flanging and flatten the flanging in the continuous extrusion process after the stainless steel pipe tightly abuts against the upper surface of the bottom plate and the flanging is finished, the limiting plate preferably vertically extends downwards in the fixing hole, and the distance from the bottom end of the limiting plate after extension to the lower surface of the fixing plate b is 1-3 cm.

In order to extrude and flatten the flanging circumference of the stainless steel pipe, the limiting plate is preferably in a semicircular arc shape.

Compared with the prior art, the invention has the technical effects that:

the utility model has the advantages of simple structure, and convenient operation, in the extrusion process, if the second spring extends after to natural state, when its elastic pressure who gives still can not satisfy the extrusion demand, external force can be applyed at the stripper plate upper surface, after realizing the contact between nonrust steel pipe bottom and the bottom plate, accomplish the turn-ups operation, and through first spring, the setting of second spring, make when the second spring extends to being natural state, first spring is compressed gradually, realize fixed plate b downstream, drive nonrust steel pipe downstream, realize the boss effect, the turn-ups operation of nonrust steel pipe, the operation of its easy operation, and it is fixed to have adopted steadying plate and limiting plate fixed mode through the bottom, support tight stripper plate on the top, realize the monolithic stationary of nonrust steel pipe, the overall stability of extrusion flanging has been improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic top view of the structure of fig. 1.

1-bottom plate 2-upright post 3-first sliding groove 4-partition column 5-first spring 6-second sliding groove 7-second sliding column 8-second spring 9-top column 10-rotary bolt 11-fixed plate a 12-reel 13-pull rope 14-through hole 15-stabilizing plate 16-extrusion column 17-sleeve 18-first sliding column 19-fastening bolt 20-resisting rod 21-limiting plate 22-fixed hole 23-lug 24-heating wire 25-wire guide 26-extrusion plate 27-fixed plate b.

Detailed Description

The technical solution of the present invention is further defined below with reference to the specific embodiments, but the scope of protection is not limited to the description.

As shown in fig. 1 and fig. 2, in this embodiment, the apparatus for processing the flanging of the stainless steel lined pipe comprises a bottom plate 1, a wire hole 25 is formed in the center of the bottom plate 1, a bump 23 is installed right above the wire hole 25, a heating wire 24 is arranged inside the bump 23, and the heating wire 24 can heat the outer surface of the bump 23; the left end and the right end of the upper surface of the bottom plate 1 are respectively provided with a stand column 2, the opposite surfaces of the two stand columns 2 are provided with a sliding groove, a fixed partition column 4 is arranged in the sliding groove, and the sliding groove is divided into a first sliding groove 3 and a second sliding groove 6 by the partition column 4; a fixing plate a11 is arranged at the top of the sliding groove, and a through hole 14 which penetrates up and down is arranged on the fixing plate a 11; the top ends of the upright posts 2 are provided with ejector posts 9, threaded holes penetrating through the left and right are formed in the ejector posts 9, rotating bolts 10 penetrate through the threaded holes, reels 12 are arranged on the rotating bolts 10 on one side of opposite surfaces of the two upright posts 2, and the reels 12 are located right above the through holes 14; a fixed plate b27 is arranged between the first sliding grooves 3, a fixed hole 22 is arranged at the center of the fixed plate b27, a first sliding column 18 is respectively arranged at the left end and the right end of the fixed plate b27, and the first sliding column 18 extends into the first sliding grooves 3 and can freely slide in the first sliding grooves 3; a first spring 5 is arranged in the first sliding groove 3 and between the first sliding column 18 and the bottom plate 1; a plurality of internal thread holes are arranged on the upper surface of the fixing plate b27, are positioned between the fixing hole 22 and the first sliding column 18 and are arranged in a straight line shape in the left-right direction; two limit plates 21 are arranged in the fixing hole 22, a supporting rod 20 is arranged on the side of the limit plate 21, which is back to the central point of the fixing hole 22, a sleeve 17 is arranged at the other end of the supporting rod 20, and a fastening bolt 19 matched with the internal thread hole is arranged through the sleeve 17; a pressing plate 26 is arranged between the second sliding grooves 6, a second spring 8 is arranged in the second sliding groove 6 and between the pressing plate 26 and the fixed plate a 11; a pulling rope 13 is fixedly arranged at the position where the second spring 8 is arranged on the upper surface of the pressing plate 26, and the pulling rope 13 is wound on the reel 12 through the through hole 14.

During use, the rotary bolt 10 is rotated, so that the reel 12 rotates, the reel 12 winds the pull rope 13 and pulls the second sliding column 7 upwards, and after the second spring 8 is compressed to the maximum degree between the fixing plate a11 and the second sliding column 7, the rotary bolt 10 is fixed, and the rotary bolt 10 is prevented from freely rotating; inserting the bottom end of the lining stainless steel pipe to be flanged into the fixing hole 22, enabling the bottom end of the lining stainless steel pipe to be sleeved at the top end of the bump 23, abutting the top end of the lining stainless steel pipe against the lower surface of the extrusion plate 26, enabling the lining stainless steel pipe to be in the vertical direction, abutting the limiting plate 21 against the outer wall of the lining stainless steel pipe, tightly fastening the sleeve 17 on the fixing plate b27 by using the fastening bolt 19, enabling the limiting plate 21 in the bottom end of the stainless steel pipe to be abutted and fixed, and enabling the first spring 5 to be in a natural extension state at the moment; the rotating bolt 10 is rotated, so that the pulling rope 13 is loosened, the second spring 8 is gradually restored to a natural state, the extrusion plate 26 is moved downwards, the extrusion plate 26 extrudes the lined stainless steel pipe downwards, the fixing plate b27 is driven to move downwards, the first spring 5 is compressed, until the bottom end of the lined stainless steel pipe is tightly abutted to the upper surface of the bottom plate 1, pressure is applied to the extrusion plate 26, the stainless steel pipe continues to move downwards, flanging operation is achieved, after flanging is completed, pressure applied to the extrusion plate 26 is removed, the rotating bolt 10 is rotated, the pulling rope 13 is pulled up, the second spring 8 is compressed, the first spring 5 is restored to an original state, the flanged lined stainless steel pipe is taken down, a second lined stainless steel pipe is installed, flanging operation can be repeatedly completed, and stability is improved through up-down abutting fixation.

In this embodiment, the pressing plate 26 is integrally formed with the stabilizing plate 15 on the lower surface thereof immediately above the fixing hole 22. The top end of the stainless steel pipe is prevented from deviating, and the stability is improved.

In this embodiment, the stabilizer plate 15 has an outer diameter equal to the diameter of the fixing hole 22, and a recess is provided on the lower surface of the stabilizer plate 15. The friction force at the top end of the stainless steel pipe is enhanced, and the top end of the stainless steel pipe is prevented from deviating.

In this embodiment, the inner diameter of the groove can be adjusted. Is suitable for fixing the top ends of stainless steel pipes with various outer diameters.

In this embodiment, the pressing plate 26 is provided with a pressing post 16 on the lower surface, and the pressing post 16 can push the fixing plate b27 to move downwards when the second spring 8 extends to a free length until the first spring 5 is compressed to the maximum. The overall stability of the device is enhanced.

In this embodiment, the limiting plate 21 extends vertically downward in the fixing hole 22, and the distance from the bottom end of the limiting plate 21 after extending to the lower surface of the fixing plate b27 is 1-3 cm. The upper surface of the turning edge is conveniently extruded, so that the upper surface of the turning edge is flat and smooth.

In this embodiment, the limiting plate 21 has a semicircular arc shape. And finishing the flattening and smoothing treatment on the circumference of the flanging.

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 can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The processing equipment for the flanging of the stainless steel pipe with the inner lining is characterized by comprising a bottom plate (1), wherein a wire hole (25) is formed in the center of the bottom plate (1), a convex block (23) is arranged right above the wire hole (25), a heating electric wire (24) is arranged inside the convex block (23), and the heating electric wire (24) can enable the outer surface of the convex block (23) to generate heat; the left end and the right end of the upper surface of the bottom plate (1) are respectively provided with one upright post (2), the opposite surfaces of the two upright posts (2) are provided with sliding grooves, fixed partition posts (4) are arranged in the sliding grooves, and the sliding grooves are divided into a first sliding groove (3) and a second sliding groove (6) by the partition posts (4); a fixed plate a (11) is arranged at the top of the sliding groove, and a through hole (14) which penetrates up and down is formed in the fixed plate a (11); the top ends of the upright posts (2) are provided with ejector columns (9), threaded holes penetrating left and right are formed in the ejector columns (9), rotating bolts (10) penetrate through the threaded holes, and reels (12) are arranged on the rotating bolts (10) on one side of the opposite surfaces of the two upright posts (2), and the reels (12) are located right above the through holes (14); fixing plates b (27) are arranged between the first sliding grooves (3), a fixing hole (22) is formed in the center of each fixing plate b (27), first sliding columns (18) are respectively arranged at the left end and the right end of each fixing plate b (27), and the first sliding columns (18) extend into the first sliding grooves (3) and can freely slide in the first sliding grooves (3); a first spring (5) is arranged in the first sliding groove (3) and between the first sliding column (18) and the bottom plate (1); a plurality of internal thread holes are arranged on the upper surface of the fixing plate b (27), are positioned between the fixing hole (22) and the first sliding column (18), and are arranged in a straight shape in the left-right direction; two limiting plates (21) are arranged in the fixing hole (22), the limiting plates (21) are provided with a propping rod (20) back to the central point side of the fixing hole (22), the other end of the propping rod (20) is provided with a sleeve (17), and a fastening bolt (19) matched with the internal threaded hole is arranged through the sleeve (17); a squeezing plate (26) is arranged between the second sliding grooves (6), a second spring (8) is arranged between the squeezing plate (26) and the fixing plate a (11) and is positioned in the second sliding grooves (6); a pull rope (13) is fixedly arranged at the position where the second spring (8) is arranged on the upper surface of the extrusion plate (26), and the pull rope (13) passes through the through hole (14) and is wound on the winding wheel (12).

2. The apparatus for processing the flanging of the stainless-steel-lined pipe according to claim 1, wherein the pressing plate (26) is integrally provided with a stabilizing plate (15) on the lower surface thereof immediately above the fixing hole (22).

3. The processing equipment of the flanging of the inner lining stainless steel pipe of claim 2, wherein the outer diameter of the stabilizing plate (15) is equal to the diameter of the fixing hole (22), and a groove is formed on the lower surface of the stabilizing plate (15).

4. The apparatus for processing a flanging of a stainless steel tube having an inner liner according to claim 3, wherein the inner diameter of said groove is adjustable.

5. The processing equipment for the flanging of the inner lining stainless steel pipe according to claim 1 or 2, wherein the lower surface of the extrusion plate (26) is provided with an extrusion column (16), and the extrusion column (16) can push the fixing plate b (27) to move downwards when the second spring (8) is extended to a free length until the first spring (5) is compressed to the maximum extent.

6. The processing equipment for the flanging of the inner lining stainless steel pipe according to claim 1, wherein the limiting plate (21) vertically extends downwards in the fixing hole (22), and the distance from the bottom end of the limiting plate (21) after extension to the lower surface of the fixing plate b (27) is 1-3 cm.

7. The processing equipment for the flanging of the inner lining stainless steel pipe according to claim 6, wherein the limiting plate (21) is in a semicircular arc shape.