CN112643290B - Plate rolling machine capable of realizing online correction of barrel joint and plate rolling method - Google Patents
Plate rolling machine capable of realizing online correction of barrel joint and plate rolling method Download PDFInfo
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- CN112643290B CN112643290B CN202011318754.3A CN202011318754A CN112643290B CN 112643290 B CN112643290 B CN 112643290B CN 202011318754 A CN202011318754 A CN 202011318754A CN 112643290 B CN112643290 B CN 112643290B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/14—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
Abstract
The invention relates to the technical field of plate rolling machines, and discloses a plate rolling machine capable of realizing online correction of a cylinder joint and a plate rolling method. The plate bending machine comprises a pair of synchronous telescopic assemblies fixedly arranged beside a plate bending machine main machine, a cross beam connected between the pair of synchronous telescopic assemblies and used for realizing the vertical position adjustment through the synchronous telescopic assemblies, and a pair of end face jacking oil cylinders arranged on the cross beam, wherein the pair of end face jacking oil cylinders are respectively arranged at two ends of the cross beam, and the front ends of piston rods of the pair of end face jacking oil cylinders are arranged face to face. The invention improves the efficiency and precision of correcting the dislocation of the joint of the cylinder body, reduces the labor cost and improves the operation safety.
Description
Technical Field
The invention relates to the technical field of plate rolling machines, in particular to a plate rolling machine capable of realizing online correction of a cylinder joint and a plate rolling method.
Background
In the prior art, a cylindrical body is generally manufactured by using a steel plate as a raw material, bending the steel plate on a plate bending machine, and then welding the bent butt longitudinal seam. Due to the reasons of the precision of the plate bending machine, the human factors of the operation and the like, a certain dislocation error occurs at the butt joint longitudinal joint after the steel plate is bent, and the dislocation error comprises an axial dislocation error (namely that two axial end faces of the cylinder body at the joint are not aligned) and a radial dislocation error (namely that a larger gap exists at the joint of the cylinder body and the gap is uneven).
In order to correct misalignment errors at the can seam, the prior art generally employs the following correction methods: after the barrel is bent, the barrel is placed on a shaping workbench, the staggered joint is adjusted by using a chain block after the barrel is fixed, then spot welding is carried out for fixing, and finally welding is carried out. When the operation is corrected in the dislocation, the hand chain block is needed to be used for adjusting and positioning the joint position of the cylinder body through the cooperation of three operators, the time for completing one section of the cylinder body is about 15 minutes, and potential safety hazards exist (the hand chain block is easy to unhook).
Disclosure of Invention
In order to solve the problems, the invention provides a plate rolling machine and a plate rolling method capable of realizing online correction of a cylinder joint, and aims to improve the efficiency of correcting the dislocation of the cylinder joint, reduce the labor cost and improve the operation safety. The specific technical scheme is as follows:
a plate bending machine capable of achieving online correction of barrel joints comprises a pair of synchronous telescopic assemblies fixedly arranged beside a plate bending machine main machine, a cross beam connected between the pair of synchronous telescopic assemblies and achieving up-down position adjustment through the synchronous telescopic assemblies, and a pair of end face jacking oil cylinders arranged on the cross beam, wherein the pair of end face jacking oil cylinders are respectively arranged at two ends of the cross beam, and the front ends of piston rods of the pair of end face jacking oil cylinders are arranged face to face.
Preferably, the synchronous telescopic assemblies comprise fixedly arranged supporting seats and upper and lower stretching oil cylinders connected with the supporting seats, the lower ends of the upper and lower stretching oil cylinders are rotatably connected with the supporting seats, a frame is fixedly connected between the end parts of upper piston rods of the upper and lower stretching oil cylinders of the pair of synchronous telescopic assemblies, and the cross beam is arranged at the upper end part of the frame.
In the invention, the supporting seat is fixed on one side of the lower part of the machine base of the plate bending machine main machine, and the lower end of the up-down stretching oil cylinder is rotatably connected with the supporting seat through a hinge shaft.
In the invention, two ends of the cross beam are respectively provided with an oil cylinder mounting seat, and the end face jacking oil cylinder is fixed on the oil cylinder mounting seat.
Preferably, the pair of end face jacking oil cylinders are coaxially arranged and are parallel to the shaft roller of the plate bending machine.
Preferably, one side of the machine base of the plate rolling machine main machine is provided with a limiting pin, the limiting pin is provided with a circular arc-shaped limiting groove, the synchronous telescopic assembly is provided with a limiting column, and the limiting column is in sliding fit with the limiting groove.
Through setting up spacing foot, spacing groove and spacing post, can prevent that the safety risk of toppling over suddenly from appearing in synchronous flexible subassembly.
Preferably, the end of the limiting column is provided with an external thread section, the external thread section of the limiting column is connected with a clamping nut, and the synchronous telescopic assembly is fixed by the clamping nut in a clamping mode.
Preferably, the limiting column is in threaded connection with the shell of the stretching oil cylinder and can be detached.
Preferably, a limit screw with a cylindrical section can also be used instead of the limit post and the clamping nut.
Preferably, the cross beam is further provided with a roller which is used for being attached to the outer circle of the cylinder body.
In the invention, the plate bending machine is a three-roller plate bending machine or a four-roller plate bending machine.
A plate rolling method of a plate rolling machine capable of realizing online correction of a cylinder joint comprises the following steps:
(1) blanking of a steel plate: according to the specification and the size of the cylinder, a plasma cutting machine is adopted for blanking the steel plate;
(2) rolling a steel plate: placing the blanked steel plate between the shaft rollers of the plate bending machine, and rolling the steel plate into a cylinder by the pressing and rotation of the shaft rollers;
(3) barrel seam axial butt joint correction: operating a pair of synchronous telescopic assemblies to rotate around a supporting seat, enabling a cross beam between the pair of synchronous telescopic assemblies to be close to a cylinder body, adjusting the upper position and the lower position of the cross beam to be proper heights through an upper stretching oil cylinder and a lower stretching oil cylinder, adjusting the position of a joint of the cylinder body to face one surface of the cross beam through the rotation of a shaft roller, and enabling the upper position and the lower position of the joint of the cylinder body to be lower than the upper position and the lower position of a piston rod of an end face jacking oil cylinder; then operating a pair of end face jacking oil cylinders to enable piston rods of the end face jacking oil cylinders to jack parts, located above the joint, of the cylinder body from two ends of the cylinder body, enabling the cylinder body to be clamped and enabling the joint of the cylinder body to be aligned in the axial direction through jacking of the piston rods of the end face jacking oil cylinders, and accordingly completing axial butt joint correction of the joint of the cylinder body;
(4) and (3) radial butt joint correction of a barrel joint: operating the upper and lower stretching oil cylinders on the pair of synchronous telescopic assemblies to enable the cylinder body positioned above the joint of the cylinder body to be pulled down to be level with the part below the joint of the cylinder body through the upper and lower stretching oil cylinders so as to eliminate a radial butt joint gap of the joint of the cylinder body, thereby completing radial butt joint correction of the joint of the cylinder body;
(5) fixing by on-line spot welding: the joints of the cylinder body are fixed through spot welding;
(6) disassembling: and loosening the shaft roller of the plate bending machine, and performing off-line welding on the joint of the cylinder body after the cylinder body is detached from the plate bending machine.
Preferably, in the axial butt joint correction of the cylinder body joint seam in the step (3), the position of the cylinder body joint seam is adjusted to a position where the tangential direction of the cylinder body joint seam is parallel to the stretching direction of the upper and lower stretching cylinders.
Preferably, the end face jacking oil cylinder and the stretching oil cylinder are connected to an oil pressure control system, a wired remote control device is matched with the oil pressure control system, and correction of axial dislocation and radial dislocation of the cylinder body is achieved through remote control, so that the operation efficiency and safety are further improved.
The invention has the beneficial effects that:
first, the plate rolling machine and the plate rolling method capable of realizing online correction of the cylinder joint can realize rapid dislocation correction of the cylinder joint in two directions by using the end face jacking oil cylinder and the stretching oil cylinder, and have good safety.
Secondly, according to the plate rolling machine and the plate rolling method capable of realizing online correction of the barrel joint, correction time is shortened from 15 minutes for three persons to 5 minutes for two persons, labor cost is reduced, and cost is remarkably reduced.
Thirdly, the plate rolling machine and the plate rolling method which can realize online correction of the joint of the cylinder body have higher correction precision than that of a hand chain block, and the quality of the cylinder body is effectively improved.
Drawings
FIG. 1 is a schematic structural diagram of a plate rolling machine capable of realizing online correction of a cylinder seam according to the invention;
fig. 2 is a schematic diagram of the cylinder joint of fig. 1 showing the piston rods of the end-face pressing cylinders on both sides of the cylinder joint for pressing correction (a partial right view of the cylinder joint of fig. 1).
In the figure: 1. the machine comprises a plate rolling machine main machine, 2, a synchronous telescopic component, 3, a beam, 4, an end face jacking oil cylinder, 5, a piston rod of the end face jacking oil cylinder, 6, a supporting seat, 7, an upper stretching oil cylinder, 8, a piston rod of the upper stretching oil cylinder, 9, a frame, 10, a hinge shaft, 11, an oil cylinder mounting seat, 12, a shaft roller, 13, a limiting pin, 14, a limiting groove, 15, a limiting column, 16, a barrel body, 17 and a barrel body joint,
in the figure: a is the tangent direction of the joint of the cylinder body, and B is the stretching direction of the up-down stretching oil cylinder.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1:
fig. 1 to 2 show an embodiment of a plate bending machine capable of realizing online correction of a cylinder seam according to the present invention, which includes a pair of synchronous telescopic assemblies 2 fixedly disposed beside a plate bending machine main body 1, a cross beam 3 connected between the pair of synchronous telescopic assemblies 2 and realizing vertical position adjustment through the synchronous telescopic assemblies 2, and a pair of end-face pressing cylinders 4 disposed on the cross beam 3, wherein the pair of end-face pressing cylinders 4 are disposed at two ends of the cross beam 3, and front ends of piston rods 5 of the pair of end-face pressing cylinders 4 are disposed facing each other.
Preferably, the synchronous telescopic assembly 2 comprises a fixed supporting seat 6 and an upper and lower stretching oil cylinder 7 connected with the supporting seat 6, the lower end of the upper and lower stretching oil cylinder 7 is rotatably connected with the supporting seat 6, a frame 9 is fixedly connected between the end parts of the upper piston rods 8 of the two upper and lower stretching oil cylinders 7 of the pair of synchronous telescopic assemblies 2, and the cross beam 3 is arranged at the upper end part of the frame 9.
In this embodiment, the supporting seat 6 is fixed on one side of the lower portion of the machine base of the plate bending machine main body 1, and the lower end of the up-down stretching oil cylinder 7 is rotatably connected with the supporting seat 6 through a hinge shaft 10.
In this embodiment, two ends of the cross beam 3 are respectively provided with an oil cylinder mounting seat 11, and the end face of the cross beam is pressed against the oil cylinder 4 and fixed on the oil cylinder mounting seat 11.
Preferably, the pair of end surfaces press against the piston rods 5 of the oil cylinders 4 and are coaxially arranged and parallel to the axial roller 12 of the plate bending machine.
Preferably, one side of the base of the plate bending machine host 1 is provided with a limiting pin 13, the limiting pin 13 is provided with a circular arc-shaped limiting groove 14, the synchronous telescopic component 2 is provided with a limiting column 15, and the limiting column 15 is in sliding fit with the limiting groove 14.
Through setting up spacing foot 13, spacing groove 14 and spacing post 15, can prevent synchronous telescoping component 2 the safety risk of falling suddenly.
Preferably, the end of the limit column 15 is provided with an external thread section, the external thread section of the limit column 15 is connected with a clamping nut, and the synchronous telescopic component 2 is clamped and fixed through the clamping nut.
Preferably, the limit column 15 is connected to the housing of the stretching cylinder 7 in a threaded manner and can be detached.
Preferably, a limit screw with a cylindrical section may be used instead of the limit post 15 and the clamping nut.
Preferably, the cross beam 3 is further provided with a roller for abutting against the outer circle of the cylinder 16.
In this embodiment, the plate bending machine is a three-roll plate bending machine or a four-roll plate bending machine.
Example 2
A plate rolling method of the plate rolling machine capable of realizing online correction of the joint of the cylinder body in embodiment 1 comprises the following steps:
(1) blanking of a steel plate: according to the specification and size of the cylinder 16, a plasma cutting machine is adopted for blanking the steel plate;
(2) rolling a steel plate: placing the blanked steel plate between the shaft rollers 12 of the plate bending machine, and rolling the steel plate into a cylinder 16 by the pressing and rotation of the shaft rollers 12;
(3) barrel seam axial butt joint correction: operating a pair of synchronous telescopic assemblies 2 to rotate around a supporting seat 6, enabling a cross beam 3 between the pair of synchronous telescopic assemblies 2 to be close to a cylinder 16, adjusting the vertical position of the cross beam 3 to a proper height through an up-down stretching oil cylinder 7, adjusting the position of a cylinder joint 17 to one surface facing the cross beam 3 through the rotation of a shaft roller 12, and enabling the vertical position of the cylinder joint 17 to be lower than the vertical position of an end surface jacking oil cylinder piston rod 5; then operating a pair of end face jacking oil cylinders 4 to enable piston rods 5 of the end face jacking oil cylinders to jack parts, located above the joint 17, of the cylinder 16 from two ends of the cylinder 16, enabling the cylinder 16 to be clamped and enabling the joint 17 of the cylinder 16 to be aligned with each other in the axial direction through jacking of the pair of end face jacking oil cylinder piston rods 5, and accordingly completing axial butt joint correction of the cylinder joint 17;
(4) and (3) radial butt joint correction of a barrel joint: operating the upper and lower stretching oil cylinders 7 on the pair of synchronous telescopic assemblies 2, so that the cylinder 16 positioned above the cylinder seam 17 is pulled down to be level with the part below the cylinder seam 17 through the upper and lower stretching oil cylinders 7 to eliminate a radial butt joint gap of the cylinder seam 17, thereby completing the radial butt joint correction of the cylinder seam 17;
(5) fixing by on-line spot welding: the cylinder seams 17 are fixed by spot welding;
(6) disassembling: the mandrel 12 of the veneer reeling machine is loosened, and the cylinder 16 is removed from the veneer reeling machine and the cylinder joint 17 is welded off-line.
Preferably, in the axial butt correction of the tube joint 17 in the step (3), the position of the tube joint 17 is adjusted to a position where the tangential direction a of the tube joint 17 is parallel to the stretching direction B of the vertical stretching cylinder 7.
Preferably, the end face jacking oil cylinder 4 and the stretching oil cylinder 7 are connected to an oil pressure control system, a wired remote control device is matched with the oil pressure control system, and the correction of the axial dislocation and the radial dislocation of the cylinder 16 is realized through remote control, so that the operation efficiency and the operation safety are further improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A plate rolling method of a plate rolling machine capable of realizing online correction of a cylinder joint is characterized by comprising the following steps:
(1) blanking of a steel plate: according to the specification and the size of the cylinder, a plasma cutting machine is adopted for blanking the steel plate;
(2) rolling a steel plate: placing the blanked steel plate between the shaft rollers of the plate bending machine, and rolling the steel plate into a cylinder by the pressing and rotation of the shaft rollers;
(3) barrel seam axial butt joint correction: operating a pair of synchronous telescopic assemblies to rotate around a supporting seat, enabling a cross beam between the pair of synchronous telescopic assemblies to be close to a cylinder body, adjusting the upper position and the lower position of the cross beam to be proper heights through an upper stretching oil cylinder and a lower stretching oil cylinder, adjusting the position of a joint of the cylinder body to face one surface of the cross beam through the rotation of a shaft roller, and enabling the upper position and the lower position of the joint of the cylinder body to be lower than the upper position and the lower position of a piston rod of an end face jacking oil cylinder; then operating a pair of end face jacking oil cylinders to enable piston rods of the end face jacking oil cylinders to jack parts, located above the joint, of the cylinder body from two ends of the cylinder body, enabling the cylinder body to be clamped and enabling the joint of the cylinder body to be aligned in the axial direction through jacking of the piston rods of the end face jacking oil cylinders, and accordingly completing axial butt joint correction of the joint of the cylinder body;
(4) and (3) radial butt joint correction of a barrel joint: operating the upper and lower stretching oil cylinders on the pair of synchronous telescopic assemblies to enable the cylinder body positioned above the joint of the cylinder body to be pulled down to be level with the part below the joint of the cylinder body through the upper and lower stretching oil cylinders so as to eliminate a radial butt joint gap of the joint of the cylinder body, thereby completing radial butt joint correction of the joint of the cylinder body;
(5) fixing by on-line spot welding: the joints of the cylinder body are fixed through spot welding;
(6) disassembling: loosening the shaft roller of the plate bending machine, and performing off-line welding of the joint of the cylinder body after the cylinder body is detached from the plate bending machine;
wherein the plate bending machine comprises a pair of synchronous telescopic components fixedly arranged beside a plate bending machine main machine, a cross beam connected between the pair of synchronous telescopic components and realizing the up-and-down position adjustment through the synchronous telescopic components, a pair of end face jacking oil cylinders arranged on the cross beam, the pair of end face jacking oil cylinders are respectively arranged at two ends of the cross beam, the front ends of the piston rods of the pair of end face jacking oil cylinders are arranged face to face, the synchronous telescopic assembly comprises the supporting seat fixedly arranged and the up-and-down stretching oil cylinder connected with the supporting seat, the lower end of the up-and-down stretching oil cylinder is rotationally connected with the supporting seat, and a frame is fixedly connected between the end parts of the piston rods of the two vertical stretching oil cylinders of the pair of synchronous telescopic assemblies, and the cross beam is arranged at the upper end part of the frame.
2. The plate rolling method of a plate rolling machine capable of realizing on-line correction of a cylinder joint according to claim 1, wherein in the cylinder joint axial butt correction of the step (3), the position of the cylinder joint is adjusted to a position where a tangential direction of the cylinder joint is parallel to a stretching direction of the upper and lower stretching cylinders.
3. The plate rolling method of the plate rolling machine capable of realizing the on-line correction of the cylinder seam as claimed in claim 1, wherein the supporting seat is fixed on one side of the lower part of the machine base of the plate rolling machine main body, and the lower ends of the up-down stretching cylinders are rotatably connected with the supporting seat through a hinge shaft.
4. The plate rolling method of the plate rolling machine capable of realizing online correction of the joint of the cylinder body as claimed in claim 3, wherein the two ends of the cross beam are respectively provided with a cylinder mounting seat, and the end face of the cross beam is pressed against the cylinder and fixed on the cylinder mounting seats.
5. The plate rolling method of the plate rolling machine capable of realizing the online correction of the cylinder joint according to claim 3, wherein the pair of end face pressing oil cylinder piston rods are coaxially arranged and parallel to the shaft roller of the plate rolling machine.
6. The plate rolling method of the plate rolling machine capable of realizing online correction of the seam of the cylinder body as claimed in claim 3, wherein a limit pin is arranged on one surface of the machine base of the plate rolling machine main machine, an arc-shaped limit groove is formed in the limit pin, a limit column is arranged on the synchronous telescopic assembly, and the limit column is in sliding fit with the limit groove.
7. The plate rolling method of the plate rolling machine capable of realizing online correction of the joint of the cylinder body as claimed in claim 6, wherein an external thread section is arranged at the end part of the limiting column, a clamping nut is connected to the external thread section of the limiting column, and the synchronous telescopic assembly is clamped and fixed through the clamping nut.
8. The plate rolling method of the plate rolling machine capable of realizing the online correction of the cylinder joint according to claim 1, wherein the plate rolling machine is a three-roller plate rolling machine or a four-roller plate rolling machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011318754.3A CN112643290B (en) | 2020-11-23 | 2020-11-23 | Plate rolling machine capable of realizing online correction of barrel joint and plate rolling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011318754.3A CN112643290B (en) | 2020-11-23 | 2020-11-23 | Plate rolling machine capable of realizing online correction of barrel joint and plate rolling method |
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| CN112643290A CN112643290A (en) | 2021-04-13 |
| CN112643290B true CN112643290B (en) | 2022-01-14 |
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| CN202011318754.3A Active CN112643290B (en) | 2020-11-23 | 2020-11-23 | Plate rolling machine capable of realizing online correction of barrel joint and plate rolling method |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203751057U (en) * | 2014-03-17 | 2014-08-06 | 长治市钜星锻压机械设备制造有限公司 | Lower material supporting mechanism of plate rolling machine |
| WO2017028400A1 (en) * | 2015-08-20 | 2017-02-23 | 江苏华安科研仪器有限公司 | U-shaped steel plate bending apparatus |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB162955A (en) * | 1920-04-26 | 1921-05-12 | Outil Mec Usinage Artillerie | An improved plate-bending press |
| JP5393358B2 (en) * | 2009-09-08 | 2014-01-22 | 住友重機械工業株式会社 | Plate bending press |
| CN103752650B (en) * | 2014-01-09 | 2015-09-02 | 泰安华鲁锻压机床有限公司 | One rolls cylindrical shell misalignment and aligns machine |
| CN203678944U (en) * | 2014-01-25 | 2014-07-02 | 西玛(常州)通用设备有限公司 | Joint end prepressing device in barrel edge rolling operation |
| CN204583940U (en) * | 2015-01-14 | 2015-08-26 | 佛山市固高自动化技术有限公司 | A kind of veneer reeling machine for automatic roll bending welding equipment |
| CN110038932B (en) * | 2019-04-28 | 2020-11-03 | 广西盛隆钢铁材料研究院 | Full-automatic intelligent veneer reeling machine equipment |
| CN111672944B (en) * | 2020-06-17 | 2022-06-14 | 绍兴银球压力容器制造有限公司 | Automatic plate rolling machine for machining cooler cylinder |
| CN111922138B (en) * | 2020-07-29 | 2022-08-12 | 佛山市金常旺不锈钢有限公司 | Coiled plate forming process |
-
2020
- 2020-11-23 CN CN202011318754.3A patent/CN112643290B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203751057U (en) * | 2014-03-17 | 2014-08-06 | 长治市钜星锻压机械设备制造有限公司 | Lower material supporting mechanism of plate rolling machine |
| WO2017028400A1 (en) * | 2015-08-20 | 2017-02-23 | 江苏华安科研仪器有限公司 | U-shaped steel plate bending apparatus |
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