High-frequency straight-seam stainless steel welded pipe forming roller die
By designing limiting and moving components, the mold body and the rotating shaft can be detachably connected, solving the problem of mold replacement after wear and achieving convenient mold replacement.
Patent Information
- Application Number
- CN202520315011.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-02-26
AI Technical Summary
During the forming process of stainless steel welded pipes, the molds are severely worn and difficult to replace, resulting in laborious disassembly and assembly.
A high-frequency straight seam stainless steel welded pipe forming roll mold was designed, including a base, belt conveyor box, drive component, mold body and rotating shaft. Through the cooperation of limiting component and moving component, the mold body and rotating shaft can be detachably connected, which facilitates mold replacement.
It simplifies the mold assembly and disassembly process, reduces the effort required to change molds, and improves the convenience of mold replacement.
Smart Images

Figure CN223789276U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to welded pipe forming roller die technical field, specifically is a kind of high-frequency straight seam stainless steel welded pipe forming roller die. BACKGROUND
[0002] Stainless steel welded pipe is also called welded pipe, which is made of steel plate or strip by high-frequency welded pipe machine. High-frequency welded pipe roller die is a special die used for forming and welding steel pipe in high-frequency welded pipe unit. It is a key component in the production process of high-frequency welded pipe. It is mainly used to press stainless steel plate or strip into the required shape and weld by high-frequency current to form a welded pipe.
[0003] During the forming process of stainless steel welded pipe, several groups of roller dies are needed to press and form it. During the forming process, the die and the welded pipe rub against each other, which causes the surface of the die to be easily worn after a long time of rubbing. When the wear is severe, the die needs to be replaced. Since the die is usually fixed on the shaft, it is difficult to disassemble and assemble. Therefore, a high-frequency straight seam stainless steel welded pipe forming roller die is proposed to solve the problem of difficult replacement of the die after wear. SUMMARY
[0004] The utility model aims at providing a kind of high-frequency straight seam stainless steel welded pipe forming roller die to solve the problem of difficult replacement of the die after wear.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A high-frequency straight seam stainless steel welded pipe forming roller die, comprising a base, a belt conveying box, a driving member, a die body and a shaft, the base is fixedly connected with the belt conveying box at the top, the right side of the belt conveying box is provided with a driving member for providing driving force, the shaft is installed on one side of the belt conveying box, the die body is tightly attached to the outer side of the shaft, the left side of the shaft is provided with a vertical plate, the bottom of the vertical plate is provided with a moving assembly, the moving assembly comprises a moving block, a guide rod and a connecting block, the guide rod is fixedly connected in the recess of the base, the moving block is slidably connected to the outer side of the guide rod, the connecting block is fixedly connected to the front and rear sides of the vertical plate, and the connecting block is screw-connected with the base, and the die body is provided with a limiting assembly on both sides.
[0007] Preferably, the limiting assembly comprises an insertion block, a limiting plate, a bearing with seat, a rubber block, a through hole, a moving member, a fixed ball, a bolt and a threaded sleeve, and the limiting plate is fixedly connected to the outer side of the shaft.
[0008] Preferably, the recess of the limiting plate is tightly attached with an insertion block, and the insertion block is tightly attached with the die body.
[0009] Preferably, a groove is formed in the vertical plate, a bearing with seat is tightly fitted in the groove, the inner ring and the outer ring of the bearing with seat are rotationally connected, the inner ring of the bearing with seat is fixedly connected with one end of the rotating shaft, a threaded sleeve is fixedly connected in the base of the bearing with seat, one end of the threaded sleeve is arranged in the vertical plate, and a bolt is screwedly connected in the threaded sleeve.
[0010] Preferably, the recess of the rotating shaft is tightly fitted with a rubber block with a wavy-shaped edge, a through hole for increasing a deformation amount is formed in the rubber block, a moving piece with a T-shaped cross section is fixedly connected in the rubber block, a fixed ball is fixedly connected to the top of the moving piece, and the fixed ball is tightly fitted with the recess in the mold body.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] In the utility model, the base, the belt conveying box, the vertical plate, the driving piece, the mold body, the moving assembly, the moving block, the guide rod, the connecting block and the rotating shaft are arranged, the vertical plate is moved conveniently, the mold body is taken out after moving left, the limiting assembly is arranged, the mold body is disassembled and assembled conveniently, the plug and the limiting plate in the limiting assembly limit the right side of the mold body effectively, the rubber block, the through hole, the moving piece and the fixed ball in the limiting assembly limit the left side of the mold body effectively, the mold body can rotate along with the rotating shaft, the disassembling and assembling structure does not affect the rotation of the mold body, the bearing with seat, the bolt, the threaded sleeve and the groove in the limiting assembly fix the left side of the rotating shaft effectively, the limiting assembly and the moving assembly are used in cooperation, the mold body and the rotating shaft are detachably connected, and the labor degree when the mold body is replaced is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a whole structure schematic view of the utility model;
[0014] Figure 2 It is a vertical plate sectional structure schematic view of the utility model;
[0015] Figure 3 It is a structure schematic view of the utility model Figure 2 at A place;
[0016] Figure 4 It is a mold body installation structure schematic view of the utility model;
[0017] Figure 5 It is a rotating shaft sectional structure schematic view of the utility model.
[0018] In the figure: 1, base; 2, belt conveying box; 3, vertical plate; 4, driving part; 5, mold main body; 6, limiting assembly; 61, plug; 62, limiting plate; 63, bearing with seat; 64, rubber block; 65, through hole; 66, moving part; 67, fixed ball; 68, bolt; 69, threaded sleeve; 7, moving assembly; 71, moving block; 72, guide rod; 73, connecting block; 8, groove; 9, rotating shaft. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0020] It should be noted that the terms used herein are only intended to describe specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a presence of a feature, step, operation, device, component and / or combination thereof.
[0021] Please refer to Figures 1-5 The present application provides a technical solution:
[0022] A high-frequency straight seam stainless steel welded pipe forming roller mold, comprising a base 1, a belt conveying box 2, a driving part 4, a mold main body 5 and a rotating shaft 9, the top of the base 1 is fixedly connected with the belt conveying box 2, the right side of the belt conveying box 2 is provided with a driving part 4 for providing driving force, one side of the belt conveying box 2 is provided with a rotating shaft 9, the outer side of the rotating shaft 9 is closely fitted with the mold main body 5, the left side of the rotating shaft 9 is provided with a vertical plate 3, the bottom of the vertical plate 3 is provided with a moving assembly 7, the moving assembly 7 comprises a moving block 71, a guide rod 72 and a connecting block 73, the guide rod 72 is fixedly connected in the recess of the base 1, the moving block 71 is slidably connected to the outer side of the guide rod 72, the connecting block 73 is fixedly connected to the front and rear sides of the vertical plate 3, and the connecting block 73 is screw-connected with the base 1, the both sides of the mold main body 5 are provided with limiting assemblies 6, the rotating shaft 9 and the mold main body 5 are in a detachable connection state through the limiting assemblies 6 and the moving assembly 7, so that the mold main body 5 which is seriously worn can be conveniently replaced.
[0023] The limiting assembly 6 comprises an insertion block 61, a limiting plate 62, a bearing with seat 63, a rubber block 64, a through hole 65, a moving piece 66, a fixed ball 67, a bolt 68 and a threaded sleeve 69, the outer side of the rotating shaft 9 is fixedly connected with the limiting plate 62 which is provided in a concave shape on one side, so as to facilitate the limiting of the two sides of the mold main body 5; the concave part of the limiting plate 62 is tightly attached with the insertion block 61, and the insertion block 61 is tightly attached with the mold main body 5, so as to facilitate the limiting of the right side of the mold main body 5; the vertical plate 3 is provided with a groove 8, and the bearing with seat 63 is tightly attached in the groove 8, the inner ring and the outer ring of the bearing with seat 63 are rotationally connected, the inner ring of the bearing with seat 63 is fixedly connected with one end of the rotating shaft 9, the base of the bearing with seat 63 is fixedly connected with the threaded sleeve 69, one end of the threaded sleeve 69 is arranged in the vertical plate 3, the threaded sleeve 69 is internally threadedly connected with the bolt 68, so as to facilitate the detachable connection of one end of the rotating shaft 9; the concave part of the rotating shaft 9 is tightly attached with the rubber block 64 which is provided in a wavy shape on the edge, the through hole 65 for increasing the deformation amount is arranged in the rubber block 64, the moving piece 66 which is provided in a T-shaped cross section is fixedly connected in the rubber block 64, the fixed ball 67 is fixedly connected on the top of the moving piece 66, and the fixed ball 67 is tightly attached with the concave part in the mold main body 5, so as to facilitate the limiting of the right side of the mold main body 5.
[0024] Workflow: the device is powered on in the process of running, high frequency straight seam stainless steel welded pipe forming roller die in use, first put the base 1 in the appropriate position, start the drive 4, drive the belt pulley and belt in the belt transmission box 2 in the working state, so as to control the rotating shaft 9 in the rotating state, the rotating shaft 9 drives the limiting plate 62 and the die body 5 rotate at the same time, the stainless steel strip between the two die bodies 5 is processed, so that it is extruded into stainless steel welded pipe, because the die body 5 and the stainless steel welded pipe are in friction state for a long time, when the die body 5 is seriously worn and needs to be replaced, the user closes the power of the drive 4, rotates the bolt 68 from the threaded sleeve 69, moves left, until the bolt 68 is taken out, then disassemble the screw on the surface of the connecting block 73, the user holds the vertical plate 3 and moves it left, drives the moving block 71 to slide outside the guide rod 72, at the same time, the groove 8 in the vertical plate 3 gradually moves away from the bearing seat 63, after sliding to the appropriate position, move the die body 5 left, during the moving process, the fixed ball 67 is extruded, the moving part 66 with T-shaped cross section is extruded, the rubber block 64 outside the moving part 66 is deformed under stress, the deformation amount of the rubber block 64 as a whole is increased through the through hole 65 in the rubber block 64, so that the fixed ball 67 gradually moves into the recess of the rotating shaft 9, the die body 5 drives the plug 61 to gradually move away from the limiting plate 62, the die body 5 is taken out from one end of the rotating shaft 9, then it is moved up to realize the purpose of taking out the die body 5 as a whole, place the new die body 5 between the rotating shaft 9 and the vertical plate 3, align the hollow part in the middle of the die body 5 with the rotating shaft 9 and insert it, make the plug 61 insert into the limiting plate 62, at the same time, the fixed ball 67 and the recess inside the die body 5 are tightly fitted under the action of the elasticity of the rubber block 64, the die body 5 is simply fixed, then move the vertical plate 3 right, until the bearing seat 63 is inserted into the groove 8, fixed by the bolt 68, then fix the connecting block 73 and the base 1 by the screw, complete the replacement of the die body 5, through the setting of the limiting assembly 6 and the moving assembly 7, the rotating shaft 9 and the die body 5 are in detachable connection, so as to facilitate the replacement of the seriously worn die body 5.
[0025] The contents not described in detail in the specification belong to the prior art known to those skilled in the art. The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings. The specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the existing technology. The machinery, parts and equipment adopt the conventional type in the existing technology, and the circuit connection adopts the conventional connection mode in the existing technology, which will not be described in detail here.
[0026] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A high frequency straight seam stainless steel welded pipe forming roller die comprising a base (1), a belt conveying box (2), a driving member (4), a die main body (5) and a rotating shaft (9), characterized in that: The base (1) is fixedly connected with a belt conveying box (2) at the top, the right side of the belt conveying box (2) is provided with a driving member (4) for providing driving force, one side of the belt conveying box (2) is provided with a rotating shaft (9), the rotating shaft (9) is tightly fitted with a mold body (5), the left side of the rotating shaft (9) is provided with a vertical plate (3), the bottom of the vertical plate (3) is provided with a moving assembly (7), the moving assembly (7) comprises a moving block (71), a guide rod (72) and a connecting block (73), the recess of the base (1) is fixedly connected with the guide rod (72), the outer side of the guide rod (72) is slidably connected with the moving block (71), the vertical plate (3) is fixedly connected with the connecting block (73) on the front and back sides, the connecting block (73) is screw-connected with the base (1), and the mold body (5) is provided with a limiting assembly (6) on both sides.
2. A forming roll die for high frequency electric resistance welded stainless steel pipe according to claim 1, characterized in that: The limiting assembly (6) comprises an insertion block (61), a limiting plate (62), a bearing with seat (63), a rubber block (64), a through hole (65), a moving member (66), a fixed ball (67), a bolt (68) and a threaded sleeve (69), and the outer side of the rotating shaft (9) is fixedly connected with the limiting plate (62) which is provided with a recess on one side.
3. A forming roll die for high frequency electric resistance welded stainless steel pipe according to claim 2, wherein: The recess of the limiting plate (62) is tightly fitted with the insertion block (61), and the insertion block (61) is tightly fitted with the mold body (5).
4. A forming roll die for high frequency electric resistance welded stainless steel pipe according to claim 1, characterized in that: The vertical plate (3) is provided with a groove (8) therein, the groove (8) is tightly fitted with the bearing with seat (63), the inner ring and the outer ring of the bearing with seat (63) are rotatably connected, one end of the inner ring of the bearing with seat (63) is fixedly connected with the rotating shaft (9), the base of the bearing with seat (63) is fixedly connected with the threaded sleeve (69), one end of the threaded sleeve (69) is arranged in the vertical plate (3), and the threaded sleeve (69) is screw-connected with the bolt (68).
5. A forming roll die for high frequency electric resistance welded stainless steel pipe as defined in claim 1 wherein: The recess of the rotating shaft (9) is tightly fitted with the rubber block (64) which is provided with a wavy edge, the through hole (65) is arranged in the rubber block (64) for increasing the deformation amount, the moving member (66) which is provided with a T-shaped cross section is fixedly connected with the rubber block (64), the fixed ball (67) is fixedly connected with the top of the moving member (66), and the recess in the mold body (5) is tightly fitted with the fixed ball (67).