CN202224490U - Upper pressure plate delayed falling mechanism - Google Patents
Upper pressure plate delayed falling mechanism Download PDFInfo
- Publication number
- CN202224490U CN202224490U CN2011203058222U CN201120305822U CN202224490U CN 202224490 U CN202224490 U CN 202224490U CN 2011203058222 U CN2011203058222 U CN 2011203058222U CN 201120305822 U CN201120305822 U CN 201120305822U CN 202224490 U CN202224490 U CN 202224490U
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- slide block
- block
- sliding
- drive
- pedestal
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Abstract
The utility model relates to an on press flitch time delay mechanism that falls, this structure includes: a brake portion and a working portion; the braking part is an elastic body, and the braking part is a nitrogen spring arranged in the upper die holder; the working part is arranged on the lower die blank holder; the working part includes: the base is fixedly arranged on the lower die blank holder; the lower end face of the sliding block is a sliding face and slides parallel to the guide face of the base, and the return nitrogen spring is arranged in the sliding block; the upper inclined plane at the rear side of the sliding block is a driving plane, the driving plane is in driving fit with a driving block arranged between the base and the sliding block, the inclined plane at the front side of the sliding block is a driving plane, and the driving plane is in sliding fit with the upper die pressing plate; the driving block is arranged between the base and the sliding block and is fixed in the base by a limiting plate arranged at the upper part of the rear side of the base, and a driving surface is arranged on the driving block, is inclined to the horizontal direction and is in sliding fit with the driving surface on the sliding block; the fixed plates are arranged on two sides of the base, the inner sides of the fixed plates are sliding surfaces and slide in parallel with two sides of the sliding block and the driving block; the upper part of the inner side of the pressure plate is a sliding surface which is in sliding fit with the step surface on the upper part of the sliding block.
Description
Technical field
The utility model relates to the diel field, and particularly the time-delay of a kind of upward holding pad falls mechanism in the diel.
Background technology
Along with the development of automobile industry and the maturation day by day of Sheet Metal Forming Technology; The shape of product becomes increasingly complex; Required precision improves constantly, the mould structure that in existing product, usually has some need in drawing work, realize upper overturning, and this kind structure needs punch and blank holder as holding pad under the flange; Walk to expect the wrinkling folded material phenomenon of too fast appearance for preventing it, patrix also need increase the holding pad structure.Through facts have proved; Mould is after on earth, and along with the lathe top shoe is opened, the patrix holding pad is because the relation of stroke is pressed on the product always; Remain static comparatively speaking always; And the counterdie blank holder is to do along with opening of slide block to move upward, and the operation part that work is accomplished directly is squeezed on the patrix holding pad, and product is damaged by pressure.If slide block can be locked after on earth; The time that pause is arranged; Just can between patrix holding pad and counterdie blank holder, place cushion block and guarantee its relative altitude with pneumatic or manual method; But because this part is a mechanical press at the lathe of manufacturer production, slide block can't be realized locking function after on earth, in this time, can't carry out any operation.And mould is in the process of pressing down, and the distance between patrix holding pad and the counterdie blank holder is by little and big variation, and until mould state on earth, it is maximum that distance reaches.Therefore, a kind of mechanism of exigence can press down at mould and be in static or rollback in the process,, gets involved automatically between patrix holding pad and the counterdie blank holder on earth under the state at mould, guarantees its relative altitude.
Summary of the invention
The purpose of the utility model is the solution that proposes to the technical problem that resetting of patrix holding pad after the mould die sinking and counterdie blank holder damaged product by pressure.
The technical scheme of the utility model is: the time-delay of a kind of upward holding pad falls mechanism, and this structure comprises: brake portion and working portion; Said brake portion is an elastomer, and this example is for being installed in the nitrogen spring in the upper bolster; Said working portion is installed on the counterdie blank holder; Said working portion comprises: be fixedly mounted on the pedestal on the counterdie blank holder; Be slidedly assemblied in the slide block in the pedestal, this slide block lower surface be sliding surface and with foot guide face parallel sliding, be arranged on the inner backhaul nitrogen spring of slide block; Slide block rear side upper inclined surface is a drive surface, and this drive surface drives and cooperates with being arranged on drive block between pedestal and the slide block, and inclined-plane, slide block front side is a drive surface, and this drive surface and patrix holding pad are slidingly matched; This drive block is arranged between pedestal and the slide block, and the limiting plate of upper lateral part is fixed in the pedestal behind the pedestal by being installed in, and drive surface is set on the drive block, drive surface and inclined, and be slidingly matched with drive surface on the slide block; Be arranged on the fixed head of pedestal both sides, this fixed head inboard is a sliding surface, with slide block and drive block both sides parallel sliding; Be arranged on the pressing plate on fixed head top, the pressing plate inside upper part is a sliding surface, is slidingly matched with slide block upper stage terrace.
Further, above-mentioned brake portion is an elastomer, specifically is nitrogen spring.
Further, above-mentioned working portion is the Wedge mechanism that drive block and slide block are combined.
Further, said mechanism presses down at mould and realizes counter motion in the process, in mould die sinking process initial stage controlled stroke, realizes the static of working portion, thereby reaches delay effect.
The beneficial effect of the utility model is: solved the reseting movement of patrix holding pad and counterdie blank holder after the mould die sinking and the situation of damaging product by pressure; This mechanism is the mechanical type automechanism; Need not consider lathe mated condition or artificial manual operation; Reduce working strength of workers, improved production efficiency, had good practicality.
Description of drawings
Fig. 1 is the axis side view of the utility model.
Fig. 2 is that the utility model is installed in the cutaway view in the mould.
Fig. 3 is the mould pressed status.
Fig. 4 is the mould die opening state.
1. upper bolster; 2. patrix holding pad; 3. nitrogen spring; 4. pedestal; 5. slide block; 6. backhaul nitrogen spring; 7. drive block; 8. fixed head; 9. pressing plate; 10. limiting plate; 11. counterdie blank holder; 12. convex mould base; 13. flanging die; 14. die shoe; 20. brake portion; 30. working portion.
The specific embodiment
Embodiment to the utility model further details below in conjunction with accompanying drawing.
The utility model provides the time-delay of a kind of upward holding pad to fall mechanism, and said time-delay falls mechanism and comprises: brake portion 20 and the working portion 30 that is positioned at brake portion 20 belows.
Said brake portion 20 is an elastomer, and this example is for being installed in the nitrogen spring 3 in the upper bolster 1; Said working portion 30 is installed on the counterdie blank holder 11; Said working portion 30 comprises: be fixedly mounted on the pedestal 4 on the counterdie blank holder 11; Be slidedly assemblied in the slide block 5 in the pedestal 4, these slide block 5 lower surfaces be sliding surface and with pedestal 4 spigot surface parallel sliding, be arranged on the inner backhaul nitrogen spring 6 of slide block 5; Slide block 5 rear side upper inclined surface are drive surface, this drive surface and be arranged on pedestal 4 and slide block 5 between drive block 7 be slidingly matched, inclined-plane, slide block 5 front side is a drive surface, this drive surface and patrix holding pad 2 are slidingly matched; This drive block 7 is arranged between pedestal 4 and the slide block 5, and is fixed in the pedestal 4 by the limiting plate 10 that is installed in pedestal 4 back upper lateral parts, on the drive block 7 drive surface is set, drive surface and inclined, and be slidingly matched with drive surface on the slide block 5; Be arranged on the fixed head 8 of pedestal 4 both sides, these fixed head 8 inboards are sliding surface, with slide block 5 and drive block 7 both sides parallel sliding; Be arranged on the pressing plate 9 on fixed head 8 tops, pressing plate 9 inside upper part are sliding surface, are slidingly matched with slide block 5 upper stage terraces.
Like Fig. 1, shown in Figure 2, the utility model time-delay mechanism is different from traditional Wedge mechanism, and this mechanism as drive force source, makes it have delay function with elastomer.This mechanism's drive block 7 is arranged in the pedestal 4 with slide block 5; Do its spacing and guiding by fixed head 8, pressing plate 9, limiting plate 10; Because the contact-making surface of drive block 7 and slide block 5 is drive surface; This drive surface and inclined are done horizontal motion at the effect sliding block 5 of nitrogen spring 3 power, and drive block is done moving up and down perpendicular to horizontal direction.As brake portion, slide block 5 both sides are equipped with the drive surface that favours horizontal direction by nitrogen spring 3 in this mechanism, have realized that slide block 5 does the motion of both direction in the middle of the course of work.
This new structure also comprises backhaul nitrogen spring 6, and it is contained in the slide block 5, nitrogen spring piston rod contact pedestal 4, and gas compression in the nitrogen spring when slide block 5 is done horizontal motion, it does motion in the other direction under the effect of screen resilience, to make slide block 5 backhauls and promotion.
Describe in the face of the utility model course of work down.
The utility model presses down in the process at upper bolster 1 and patrix holding pad 2, and is as shown in Figure 3, and slide block 5 is because nitrogen spring 3 is done horizontal motion until contacting patrix holding pad 2 with the active force of drive block 7.At this moment patrix holding pad 2 contact slippers 5 front side drive surface, in continuing the process of pressing down, patrix holding pad 2 is just as drive part, and driving sliding block 5 is done motion in the other direction, promotes drive block 7 and does and move upward, and makes gases compression in the nitrogen spring 3.In upper bolster 1 contact counterdie blank holder 11 beginning drawing works; In drawing process; Counterdie blank holder 11 moves downward with mechanism's working portion 30, finishes beginning upper overturning technology until counterdie blank holder 11 contact convex mould bases 12, patrix holding pad 2 contact flanging dies 13 drawing works.
In the upper overturning technical process, upper bolster 1 is pushed down counterdie blank holder 11 and is contacted die shoe 14 with convex mould base 12 until convex mould base 12, and the end of upper overturning technology, mould are on earth.In this process, mechanism's working portion 30 moves downward with counterdie blank holder 11.Patrix holding pad 2 contact flanging dies 13, upper bolster is done and is moved upward relatively.As shown in Figure 2, on earth during state, patrix holding pad 2 reaches the state that slide block 5 can insert at mould, and the gas screen resiliences act on the drive block 7 in the nitrogen spring 3, thereby driving sliding block 5 is inserted below the patrix holding pads 2.
As shown in Figure 4, in the moulds open process, patrix holding pad 2 and counterdie blank holder 11 remain the relative distance of part height under the intervention of slide block 5, part is not damaged by pressure.Mould continues to open; Counterdie blank holder 11, convex mould base 12, patrix holding pad 2, nitrogen spring 3 strokes discharge and finish; Slide block 5 promotes drive block 7 return that moves up, under the effect of limiting plate 10 under the gas screen resilience effect of backhaul nitrogen spring 6; Limit its backward position, thereby accomplish a work period.
Claims (4)
1. a last holding pad time-delay falls mechanism, it is characterized in that this structure comprises: brake portion (20) and working portion (30); Wherein brake portion is an elastomer, and upper bolster (1) is provided with nitrogen spring (3), and this nitrogen spring (3) is vertically installed and horizontal direction; Wherein working portion (30) is installed on the counterdie blank holder (11); Said working portion (30) comprising: be fixedly mounted on the pedestal (4) on the counterdie blank holder (11); Be slidedly assemblied in the slide block (5) in the pedestal (4); This slide block (5) lower surface be sliding surface and with pedestal (4) spigot surface parallel sliding, be arranged on the inner backhaul nitrogen spring (6) of slide block (5); Slide block (5) rear side upper inclined surface is a drive surface, this drive surface and be arranged on pedestal (4) and slide block (5) between drive block (7) be slidingly matched, slide block (5) inclined-plane, front side is a drive surface, this drive surface and patrix holding pad (2) are slidingly matched; This drive block (7) is arranged between pedestal (4) and the slide block (5); And be fixed in the pedestal (4) by the limiting plate (10) that is installed in pedestal (4) back upper lateral part; Drive block is provided with drive surface on (7), drive surface and inclined, and be slidingly matched with drive surface on the slide block (5); Be arranged on the fixed head (8) of pedestal (4) both sides, this fixed head (8) inboard is a sliding surface, with slide block (5) and drive block (7) both sides parallel sliding; Be arranged on the pressing plate (9) on fixed head (8) top, pressing plate (9) inside upper part is a sliding surface, is slidingly matched with slide block (5) upper stage terrace.
2. a kind of upward holding pad according to claim 1 time-delay falls mechanism, it is characterized in that said brake portion (20) is an elastomer.
3. a kind of upward holding pad according to claim 2 time-delay falls mechanism, it is characterized in that said elastomer is nitrogen spring (3).
4. a kind of upward holding pad according to claim 1 time-delay falls mechanism, it is characterized in that, said working portion (30) is the Wedge mechanism that drive block (7) and slide block (5) are combined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203058222U CN202224490U (en) | 2011-08-22 | 2011-08-22 | Upper pressure plate delayed falling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203058222U CN202224490U (en) | 2011-08-22 | 2011-08-22 | Upper pressure plate delayed falling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202224490U true CN202224490U (en) | 2012-05-23 |
Family
ID=46075098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203058222U Expired - Fee Related CN202224490U (en) | 2011-08-22 | 2011-08-22 | Upper pressure plate delayed falling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202224490U (en) |
-
2011
- 2011-08-22 CN CN2011203058222U patent/CN202224490U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160525 Address after: North Jiading District road and Jiading industrial zone of Shanghai City, No. 268, 201807 Patentee after: Shanghai Huazhuang Mould Co., Ltd. Address before: North Jiading District road and Jiading industrial zone of Shanghai City, No. 268, 201807 Patentee before: Shanghai Huazhuang Mould Co., Ltd. Patentee before: Shanghai Huazhuang Mould Co., Ltd. Patentee before: Shanghai Kesen Automobile Parts Co., Ltd. |
|
| 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: 20120523 Termination date: 20170822 |