CN202387869U - Bent molding string-moving resisting limit guiding device - Google Patents
Bent molding string-moving resisting limit guiding device Download PDFInfo
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- CN202387869U CN202387869U CN2011204029265U CN201120402926U CN202387869U CN 202387869 U CN202387869 U CN 202387869U CN 2011204029265 U CN2011204029265 U CN 2011204029265U CN 201120402926 U CN201120402926 U CN 201120402926U CN 202387869 U CN202387869 U CN 202387869U
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Abstract
The utility model relates to a bent molding string-moving resisting limit guiding device, which belongs to the field of machinery manufacturing. A die limit guiding column is arranged on an upper die of a die, a die limit groove body and a workpiece limit groove body are arranged on a lower die of the die, the die limit guiding column corresponds to the die limit groove body, a limit connecting block is fastened on a workpiece, a workpiece guiding column is fastened on the workpiece limit connecting block, and the workpiece limit connecting block is fastened on a workpiece lateral wall. The workpiece limit groove body corresponds to a guiding end of the workpiece limit connecting block, and the guiding end is arranged in the workpiece limit groove body. The limit connecting block is fastened on the workpiece, a limit block can move along a straight line vertically in a groove of the limit groove body, technical problems existing for a long time that parts string-move during pressure manufacture, and molding quality is poor are solved, bent molding quality of the parts is remarkably improved, reject rate and defective rate are reduced, unnecessary reworking is avoided, and production cost is greatly reduced.
Description
Technical field
The utility model relates to the moving limiting and guiding device of the anti-string of a kind of brake forming, particularly relates to large scale, big thickness flexure forming metal spare, belongs to the manufacturing technology technical field.
Background technology
In the pressure processing of some brake forming metalworks, often because big, the stressed complexity of crooked pressure; The die body up and down that mould takes place is gone here and there or the offset (be generally about go here and there moving) of workpiece in mould each other, and during particularly the brake forming of large scale, big thick metal material was processed, situation was more obvious; There is " size offset " phenomenon; The actual flexion position and the drawing ideal bit of promptly processing the rear curved profiled member are equipped with deviation, or bool size and drawing be not inconsistent, and crooked efficient is not high yet; Uniformity is bad behind the Workpiece shaping, and the pressure processing of workpiece is of poor quality.
Address the above problem and need workpiece and upper and lower mould be carried out spacingly, eliminate the moving phenomenon of string in the pressure forming, the upper and lower mould of mould is realized by spacing being prone to; But workpiece is carried out spacing comparatively difficulty, because the pressure brake forming of metal is different from the machine cut processing of metal, in the cut of workpiece; Generally speaking; Before the processing, with suitable general or special fixture with workpiece securely clamping on the workbench of lathe, process, workpiece and clamping mechanism relative position are fixed; And in the pressure brake forming of the metal processing; Workpiece is along with mold shape (according to drawing design) is being carried out the variation of shape and size, and workpiece is with the amoeboid movements such as elongation, bending of extending in the pressure processing, thereby it is moving very difficult that workpiece is implemented spacing anti-string.
Summary of the invention
The purpose of the utility model is to provide the anti-string of a kind of brake forming moving limiting and guiding device, and this device can be realized large scale, big thickness metalwork brake forming.
Technical solution:
The moving limiting and guiding device of the anti-string of brake forming, comprising: upper mould, lower mould, upper mould are provided with the spacing lead of mould; Lower mould is provided with spacing cell body of mould and the spacing cell body of workpiece; The spacing lead of mould is corresponding with the spacing cell body of mould, on workpiece, is fastened with spacing contiguous block, and the spacing contiguous block of workpiece is a rectangle; Be fastened with the workpiece lead on the spacing contiguous block of rectangular piece, the spacing contiguous block of workpiece is fastened on workpiece one sidewall; The spacing cell body of workpiece is corresponding with the workpiece lead of the spacing contiguous block of workpiece, and the workpiece lead places in the spacing cell body of workpiece.
Spacing contiguous block and workpiece lead are the global formation structure.
The spacing lead of mould is cylindrical.
The workpiece lead is cylindrical.
The utility model advantage: the utility model is moving to the string of workpiece; On workpiece, be fastened with spacing contiguous block; Spacing connection one end and the fastening other end of workpiece can carry out up and down in the groove of spacing cell body, and straight line moves; Solved moving, the bad technical barrier of Forming Quality of part (particularly big thickness, large scale metalwork) pressure processing string of long-term appearance, utilized this programme, the brake forming quality of part significantly improves; Reduce the number of rejects and seconds, defect rate or avoided unnecessary reprocessing, production cost reduces greatly.
Description of drawings
Fig. 1 is a work sketch map before the bent into shape;
Fig. 2 is a mould position-limit mechanism cutaway view up and down;
Fig. 3 is a workpiece position-limit mechanism cutaway view;
Fig. 4 is the sketch map of working behind the bent into shape.
The specific embodiment
Embodiment 1
The moving limiting and guiding device of the anti-string of brake forming is provided with the spacing lead 2 of mould on upper mould 1, the spacing lead 2 of mould is cylindrical; Lower mould 8 is provided with spacing cell body 3 of mould and the spacing cell body 7 of workpiece; The spacing cell body of the spacing lead 2 of mould and mould 3 is corresponding, on workpiece 4, is fastened with spacing contiguous block 6, and the spacing contiguous block 6 of workpiece is a rectangle; Be fastened with workpiece lead 5 on the spacing contiguous block 6 of rectangular piece, workpiece lead 5 is cylindrical.The spacing contiguous block 6 of workpiece is fastened on workpiece 4 one sidewalls; The spacing cell body 7 of workpiece is corresponding with the workpiece lead 5 of the spacing contiguous block 6 of workpiece, and workpiece lead 5 places in the spacing cell body 7 of workpiece.
The utility model is for reaching brake forming processing, and should eliminate improper workpiece transmission does not influence normal bending motion again, in the workpiece position-limit mechanism, is designed with three part-structures, in upper and lower mould spacing, is designed with two-part structure.
1, the moving position-limit mechanism of the anti-string of workpiece:
First is the spacing contiguous block 6 of workpiece, be welded to connect on the one hand with brake forming workpiece 4, can with workpiece servo-actuated simultaneously flexural deformation; The other end and the workpiece lead 5 that can only move up and down are welded to connect, when making its flexural deformation since the restriction of lead can not about string moving (but can with extending about workpiece).
The second portion of position-limit mechanism is a workpiece lead 5; Easy on and off slides in the groove of one end on can the spacing cell body 7 of workpiece in mechanism; The other end is fixedly connected with the spacing contiguous block 6 of workpiece; It can only only move up and down at the bending line place in the groove of fixing cell body, can not about string moving, thereby be attached thereto the workpiece 4 that connects can not about string moving.
The position-limit mechanism third part is the spacing cell body 7 of workpiece, and this part is fixed in the counterdie of mould (static part) in advance securely.Groove can be 5 guide effects up and down of workpiece lead in the mechanism.
Compound position-limit mechanism like this; Workpiece is in the pressure brake forming process of reality; At the bending line place, workpiece 4 can only move up and down with the spacing contiguous block 6 of welding one, has prevented that effectively the left and right directions string is moving; But the part except that bending line is sentenced can be freely with the normal bending of mould, extension, moulding.Finally both solve the moving difficult problem of the string of workpiece in the brake forming, scientifically realized the pressure processing of product again.
2, the moving position-limit mechanism of the anti-string of upper and lower mould:
Principle is the same because be the restriction upper and lower mould, do not exist and crooked extend phenomenon, so in the mechanism default with workpiece be out of shape, crooked spacing contiguous block 6.Consider that simultaneously the anti-string of upper and lower mould power is bigger, so designed the anti-string actuation mechanism (see accompanying drawing 2) of 2 places, both sides, front and back with spline structure.
The utility model is following at required parts of real work and concrete grammar:
1) design and make each parts (cover) in the moving position-limit mechanism of the anti-string of workpiece: the spacing contiguous block of workpiece lead 5, workpiece 6, the spacing cell body 7 of workpiece;
2) design and make each parts (two covers) in the moving position-limit mechanism of the anti-string of upper and lower mould: the spacing lead of mould 2, the spacing cell body 3 of mould;
3) according to brake forming detail drawing size and specification requirement design and mfg. moulding die (upper and lower mould);
4) the workpiece lead 5 in the workpiece position-limit mechanism is welded on the middle part of the spacing contiguous block 6 of workpiece;
5) above-mentioned weld assembly (comprise workpiece lead 5 with contiguous block 6) is welded on the brake forming workpiece 4, requires the central axis of lead 5 to be positioned at the bending line place of workpiece;
6) the spacing cell body 7 of the workpiece in the workpiece position-limit mechanism is welded on the counterdie of mould, requires the symmetrical center line of the groove on the cell body to be positioned at workpiece bending line place (dead in line of groove center line and workpiece lead 5) when implementing to bend operation; And require: behind installation mold on the forcing press, the groove symmetrical center line of the spacing cell body 7 of the workpiece that is welded is vertical with the equipment workbench, can guarantee like this that lead can not have to move with the position smoothly stuckly in the workpiece bending process to lead exactly.
7) the spacing lead of the mould in the moving position-limit mechanism of the anti-string of upper and lower mould (two covers) 2, the spacing cell body 3 of mould are welded on respectively on patrix 1 and the counterdie 8; Require the axis and the dead in line of spacing cell body 3 grooves of mould of the spacing lead 2 of mould, so as in implementing the press-bending motion process, to lead smooth.
8) patrix 1 of installation mold and counterdie 8 securely on brake forming equipment-forcing press, this moment, upper and lower mould subsidiaryly had the parts 7 of the moving position-limit mechanism of the anti-string of workpiece and a spacing lead 2 of spare part mould and the spacing cell body 3 of mould of the moving position-limit mechanism of the anti-string of upper and lower mould;
9) patrix 1 and counterdie 8 moulds are carried out branch resultant motion (no workpiece), it is mobile to check that upper and lower mould prevents whether the moving position-limit mechanism of string (two covers) can lead flexibly smoothly;
10) brake forming workpiece 4 (subsidiary parts workpiece lead 5 and the spacing contiguous block 6 that the moving position-limit mechanism of the anti-string of workpiece is arranged) is placed on the mould by processing request, and make workpiece lead 5 place in the groove of the spacing cell body 7 of workpiece;
11) carry out normal brake forming pressure processing;
12) workpiece after the brake forming is taken out from equipment, and the parts workpiece lead 5 and the spacing contiguous block 6 of the moving position-limit mechanism of the anti-string of workpiece subsidiary on it separated, satisfied the brake forming part of drawing requirement so fully.
The spacing contiguous block 6 and the workpiece lead 5 of the utility model are the global formation structure.
Claims (4)
1. the anti-string of brake forming moves limiting and guiding device; Comprise: upper mould (1), lower mould (8) is characterized in that upper mould (1) is provided with the spacing lead of mould (2); Lower mould (8) is provided with spacing cell body of mould (3) and the spacing cell body of workpiece (7); The spacing lead of mould (2) is corresponding with the spacing cell body of mould (3), on workpiece (4), is fastened with spacing contiguous block (6), and the spacing contiguous block of workpiece (6) is a rectangle; Be fastened with workpiece lead (5) on the spacing contiguous block of rectangular piece (6), the spacing contiguous block of workpiece (6) is fastened on workpiece (4) one sidewalls; The spacing cell body of workpiece (7) is corresponding with the workpiece lead (5) of the spacing contiguous block of workpiece (6), and workpiece lead (5) places in the spacing cell body of workpiece (7).
2. the moving limiting and guiding device of the anti-string of brake forming according to claim 1 is characterized in that spacing contiguous block (6) is the global formation structure with workpiece lead (5).
3. the moving limiting and guiding device of the anti-string of brake forming according to claim 1 is characterized in that the spacing lead of mould (2) is cylindrical.
4. according to the moving limiting and guiding device of the anti-string of claim 1 brake forming, it is characterized in that workpiece lead (5) is cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204029265U CN202387869U (en) | 2011-10-09 | 2011-10-09 | Bent molding string-moving resisting limit guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204029265U CN202387869U (en) | 2011-10-09 | 2011-10-09 | Bent molding string-moving resisting limit guiding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202387869U true CN202387869U (en) | 2012-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204029265U Expired - Fee Related CN202387869U (en) | 2011-10-09 | 2011-10-09 | Bent molding string-moving resisting limit guiding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202387869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357608A (en) * | 2011-10-09 | 2012-02-22 | 内蒙古北方重型汽车股份有限公司 | Bend-forming anti-motion limit guiding device and limit guiding method |
-
2011
- 2011-10-09 CN CN2011204029265U patent/CN202387869U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357608A (en) * | 2011-10-09 | 2012-02-22 | 内蒙古北方重型汽车股份有限公司 | Bend-forming anti-motion limit guiding device and limit guiding method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20201009 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |