CN207204923U - Forward and reverse multiple rolling device - Google Patents
Forward and reverse multiple rolling device Download PDFInfo
- Publication number
- CN207204923U CN207204923U CN201720770022.5U CN201720770022U CN207204923U CN 207204923 U CN207204923 U CN 207204923U CN 201720770022 U CN201720770022 U CN 201720770022U CN 207204923 U CN207204923 U CN 207204923U
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- radius
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Abstract
The utility model discloses a kind of forward and reverse repeatedly rolling methods and device, it is related to a kind of efficient destressing rolling shaping equipment, belongs to mechanical engineering field.The device carries out forward and reverse multiple rolling formation of sheet material using forward and reverse rolling device, first roll-in to workpiece bows radius is less than radius of target, then roll-in to workpiece bows radius is more than radius of target, moved closer to again by forward and reverse alternately rolling formation to radius of target, be finally reached required radius of target.The device can eliminate or be substantially reduced the springback capacity of the residual stress and workpiece inside cylindrical member or circular arc part, improve machining accuracy, realize the purpose of destressing rolling shaping.
Description
Technical field
The utility model discloses a kind of forward and reverse multiple rolling device, it is related to a kind of efficient destressing rolling shaping
Equipment, belong to mechanical engineering field.
Background technology
Cylindrical member or arcuate member are usually applied in the industries such as Aeronautics and Astronautics, ship, pressure vessel, the roller of generally use three
Formula or four-roller type veneer reeling machine carry out unidirectional roll-in processing.Inside the cylindrical member or arcuate member sheet material processed using traditional roll-in mode
In the presence of very big residual stress, the machining accuracy of workpiece is influenceed, while influences structural strength；The especially band board-like cylinder of muscle integral wall
Shape part or arcuate member, after roll bending when mechanical milling or milling, cause the moderate finite deformation of workpiece, it is impossible to ensure required processing essence
Degree.
Utility model content
The purpose of this utility model is to provide a kind of efficient forward and reverse multiple rolling device, eliminates or significantly reduce biography
The cylindrical member or arcuate member internal residual stress that system roll-in mode is processed, reduce the resilience of workpiece.This method is with device according to plate
The size and performance parameter of material, multiple forward and reverse rolling formation is carried out to sheet material, workpiece bows radius is less than target half
Footpath, workpiece bows radius is more than radius of target, then moved closer to by required roll-in number to radius of target, finally
Reach required radius of target.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions：
Forward and reverse multiple rolling device of the present utility model, according to the size and performance parameter of sheet material, is put into sheet material just
Multiple roll-in between the up-down rollers of reverse rolling device, first makes workpiece bows radius be less than radius of target, then makes workpiece bows
Radius is more than radius of target, then is moved closer to by required roll-in number to radius of target, is finally reached required target
Radius, comprise the following steps that：
Step 1：Sheet material, the upper roller of descending profile are clamped using two lower rolls and the upper roller in two lower roll middle upper parts
Highly, the upper roller of sheet material top to side is conveyed, positions sheet material；
Step 2：Rise the upper roller height of side, decline the upper roller pressure sheet material of two lower roll middle upper parts, sheet material is entered
Row positive roll-in for the first time, makes roll-in radius be less than the radius of target of workpiece；
Step 3：The upper roller height of descending profile, rises the upper roller of two lower roll middle upper parts, uses two upper rollers and place
The lower roll of lower section depresses sheet material among two upper rollers, and reverse roll-in for the first time is carried out to sheet material, roll-in radius is more than workpiece
Radius of target；
Step 4：Rise the upper roller height of side, decline the upper roller pressure sheet material of two lower roll middle upper parts；If desired
Continue forward and reverse roll-in, positive roll-in next time just is carried out to sheet material, roll-in radius is less than the radius of target of workpiece, but be more than
Radius after last positive roll-in；Terminate roll-in if desired, direct roll-in to radius of target, terminate roll-in；
Step 5：The upper roller height of descending profile again, rises the upper roller of two lower roll middle upper parts, uses two upper rollers
Sheet material is depressed with the lower roll of the lower section among two upper rollers, reverse roll-in next time is carried out to sheet material, is more than roll-in radius
The radius of target of workpiece, but less than the radius after last reversely roll-in；
Step 6：Repeat step 4 and step 5, until reaching radius of target.
Described forward and reverse repeatedly rolling device is made up of four-roller, including lower roll I, II (1a, 1b), upper roller I, II (2a,
2b) and support (3), synchronous rotary mechanism (4), two upper roller support bases (5), it is characterised in that the lower roll I, II (1a, 1b)
It is connected with support (3), makees synchronous axial system forward or backwards, upper roller I (2a) and side positioned at lower roll I, II (1a, 1b) middle upper part
The upper roller II (2b) in face is connected with two upper roller support bases (5) respectively, and two upper roller support bases (5) are realized by elevating mechanism
It is lower independent mobile, upper roller I (2a) by travelling gear (6) drive can active rotation, a gear of synchronous rotary mechanism (4) with
Two lower roll gears of parameter identical engage simultaneously, make lower roll I, II (1a, 1b) synchronous axial system.
Technique effect：Forward and reverse repeatedly rolling methods and device of the present utility model, with traditional unidirectional rolling methods phase
Than passing through multiple forward and reverse alternately roll-in, there is provided a kind of high efficiency removes the rolling methods of sheet metal thickness direction residual stress
With device, the residual stress inside cylindrical member or arcuate member can be eliminated or significantly reduced, it is overall especially to significantly improve band muscle
Machining accuracy after wallboard type cylindrical member or the milling of arcuate member machinery or milling.
Brief description of the drawings
Fig. 1 is feeding positioning schematic diagram before roll-in, and side upper roller moves down to be positioned to sheet material；
Fig. 2 is that positive roll-in starts schematic diagram, and the upper roller positioned at two lower roll middle upper parts moves down, and side upper roller rises, into
Shape starts；
Fig. 3 is positive roll-in schematic diagram, and radius is less than the radius of target of workpiece after roll-in；
Fig. 4 is reverse roll-in schematic diagram, and radius is more than the radius of target of workpiece after roll-in；
Fig. 5 is apparatus structure schematic diagram；
Fig. 6 is device left view.
In figure：1a. lower rolls I, 1b. lower rolls II, 2a. upper rollers I, 2b. upper rollers II, 3. supports, 4. synchronous rotary mechanisms, on 5.
Roller support base, 6. travelling gears
Embodiment
Illustrated embodiment further illustrates particular content of the present utility model and the course of work below in conjunction with the accompanying drawings.
Cylindrical member of the present utility model or arcuate member forward and reverse repeatedly rolling methods and device, according to the size of sheet material and property
Can parameter, sheet material is put into multiple roll-in between the up-down rollers of forward and reverse rolling device, workpiece bows radius is less than target
Radius, workpiece bows radius is more than radius of target, then moved closer to by required roll-in number to radius of target, most
Reach required radius of target eventually.
Fig. 1 is that feeding positions schematic diagram, fixes plate using two lower rolls and the upper roller positioned at lower roll middle upper part, leads to
Cross side upper roller positioning plate；
Fig. 2 is that positive roll-in starts schematic diagram, declines the upper roller height positioned at lower roll middle upper part, produces plate curved
It is bent；
Fig. 3 is positive roll-in schematic diagram, and its roll-in radius is less than the radius of target of workpiece；
Fig. 4 is reverse roll-in schematic diagram, and its roll-in radius is more than the radius of target of workpiece；
Fig. 5 is apparatus structure schematic diagram；
Fig. 6 is device left view.
If necessary to continue roll-in, Fig. 3 and Fig. 4 forward and reverse roll-in is repeated.
Forward and reverse rolling device is made up of support, two lower rolls, two upper rollers and two upper roller support bases, wherein, two
Lower roll is connected with support, can forward and reverse synchronous axial system, positioned at lower roll middle upper part upper roller and side upper roller respectively with two
Upper roller support base connects, and support base realizes independent movement up and down by elevating mechanism, and two upper rollers positioned at upper roller support base can be just
To or reverse active rotation.
Forward and reverse repeatedly course of work of rolling methods and device is exemplified below.
Sheet material is put into forward and reverse repeatedly in rolling device, uses two lower rolls and upper in two lower roll middle upper parts
Roller clamps sheet material, the upper roller height of descending profile, conveys the upper roller of sheet material top to side, positions sheet material.Rise the upper roller of side
Highly, decline the upper roller pressure sheet material of two lower roll middle upper parts, positive roll-in for the first time is carried out to sheet material, radius is small after roll-in
In the radius of target of workpiece.The upper roller height of descending profile, rise the upper roller of two lower roll middle upper parts, using two upper rollers and
The lower roll of lower section depresses sheet material among two upper rollers, reverse roll-in for the first time is carried out to sheet material, radius is more than work after roll-in
The radius of target of part.Judge whether to need to continue roll-in according to the size of sheet material and performance, continue forward and reverse roll-in if desired,
Then rise the upper roller height of side, decline the upper roller pressure sheet material of two lower roll middle upper parts, sheet material is carried out next time positive
Roll-in, its roll-in radius are less than the radius of target of workpiece, but more than the radius after last positive roll-in；Descending profile again
Upper roller height, rise the upper roller of two lower roll middle upper parts, use two upper rollers and the lower roll below two upper rollers centres
Sheet material is depressed, reverse roll-in next time is carried out to sheet material, its roll-in radius is more than the radius of target of workpiece, but anti-less than last
To the radius after roll-in, repeatedly forward and reverse roll-in is so carried out untill workpiece radius is close to radius of target.If necessary to tie
Beam roll-in, then rise the upper roller height of side, decline the upper roller pressure sheet material of two lower roll middle upper parts, direct roll-in to target
Radius, terminate roll-in.
Claims (1)
1. a kind of forward and reverse multiple rolling device, it is characterised in that the rolling device is made up of four-roller, including lower roll I, II
(1a, 1b), upper roller I, II (2a, 2b) and support (3), synchronous rotary mechanism (4), two upper roller support bases (5), the lower roll I,
II (1a, 1b) is connected with support (3), makees synchronous axial system forward or backwards, positioned at the upper roller of lower roll I, II (1a, 1b) middle upper part
The upper roller II (2b) of I (2a) and side is connected with two upper roller support bases (5) respectively, and two upper roller support bases (5) pass through lifting
Mechanism realize it is independent mobile up and down, upper roller I (2a) by travelling gear (6) drive can active rotation, synchronous rotary mechanism (4)
Two lower roll gears of one gear and parameter identical engage simultaneously, make lower roll I, II (1a, 1b) synchronous axial system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720770022.5U CN207204923U (en) | 2017-06-28 | 2017-06-28 | Forward and reverse multiple rolling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720770022.5U CN207204923U (en) | 2017-06-28 | 2017-06-28 | Forward and reverse multiple rolling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207204923U true CN207204923U (en) | 2018-04-10 |
Family
ID=61812152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720770022.5U Expired - Fee Related CN207204923U (en) | 2017-06-28 | 2017-06-28 | Forward and reverse multiple rolling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207204923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633070A (en) * | 2020-06-10 | 2020-09-08 | 燕山大学 | Repeated multi-layer bending strong deformation die and use method thereof |
-
2017
- 2017-06-28 CN CN201720770022.5U patent/CN207204923U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633070A (en) * | 2020-06-10 | 2020-09-08 | 燕山大学 | Repeated multi-layer bending strong deformation die and use method thereof |
| CN111633070B (en) * | 2020-06-10 | 2021-05-04 | 燕山大学 | Repeated multi-layer bending strong deformation die and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20200628 |