CN202803932U - Die capable of machining workpieces with negative angles - Google Patents
Die capable of machining workpieces with negative angles Download PDFInfo
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- CN202803932U CN202803932U CN 201220373750 CN201220373750U CN202803932U CN 202803932 U CN202803932 U CN 202803932U CN 201220373750 CN201220373750 CN 201220373750 CN 201220373750 U CN201220373750 U CN 201220373750U CN 202803932 U CN202803932 U CN 202803932U
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Abstract
The utility model discloses a die capable of machining workpieces with negative angles. The die comprises an upper die base, a lower die base, a flanging-sizing wedge, a flanging-sizing cutter block and a pressure core, the pressure core is composed of a main pressure core and a small pressure core, the small pressure core is fixedly connected at the lower end of the upper die base and positioned between the main pressure core and the flanging-sizing wedge, the lower end of the small pressure core is a working end with a negative angle, and the small pressure core contacts with the main pressure core at the position of the side wall and can be driven by the flanging-sizing wedge to be in slide fit with the main pressure core. When the working end of the small pressure core and the working end of the main pressure core are connected, the working surfaces of the small pressure core and the main pressure core are integrally matched with profiles of the formed wrokpieces, and at the moment, the working end of the flanging-sizing cutter block is coplanar with the working surface of the small pressure core. The die is capable of performing pressure and flanging treatment for the workpieces when the pressure core has the negative angle. Besides, the die has the advantages of capabilities of improving production efficiency and guaranteeing machining precision of the workpieces, compact structure and convenience in mounting and demounting, and is applicable to various workpieces with negative angles.
Description
Technical field
The utility model relates to a kind of machining diel, but relates in particular to a kind of mould of processing belt negative angle product.
Background technology
Some products need to carry out flange in the stamped process processes, convenient for pickup, generally the flange line is arranged on without the negative angle zone.In the prior art, turning over reshaping die generally comprises upper bolster, die shoe, material pressing core, turns over whole wedge and turns over whole cutter piece, material pressing core is fixed on the lower end of upper bolster and is slidingly matched with upper bolster, turn over whole wedge and be fixed on the upper bolster lower end and be positioned at die shoe top and material pressing core left and be slidingly matched with die shoe, turn over whole cutter piece and be fixed on to turn on the whole wedge and be used for that product is carried out flange and process.Product is in the punching press turn-up process, at first upper bolster drives material pressing core and moves downward, and when material pressing core moves to die shoe contacts position, material pressing core is pushed down product and finished punching press, then turn over whole wedge and drive and turn over whole cutter piece and move to oblique below, finish side flanging to product by turning over whole cutter piece at last.Can not there be negative angle in material pressing core but this type of turns over the reshaping die requirement, not so can't finish normal binder work.
Flange for some pressing direction band negative angles, design needs to adopt some complicated side complete machine structures or increases operation and solves routinely, and use side complete machine structure price higher, increasing operation causes again production efficiency low, can not one-shot forming, so both waste cost, be not easy again to guarantee Product Precision.
The utility model content
For solving the deficiencies in the prior art, the utility model provides in a kind of situation that has negative angle at material pressing core, but also can carry out to product the mould of the processing belt negative angle product of binder and flange processing, this mould can be enhanced productivity, guarantee the product machining accuracy, have the characteristics of compact conformation, easy accessibility.
For achieving the above object, the technical scheme that adopts of the utility model is as follows:
But a kind of mould of processing belt negative angle product, comprise upper bolster, die shoe, material pressing core, with turning over the whole wedge of turning over of whole cutter piece, wherein material pressing core comprises the main material pressing core that is fixed on the upper bolster lower end, turn over whole wedge and be fixed on the upper bolster lower end and be positioned at die shoe top, main material pressing core left, be used for that plate is carried out the whole cutter piece of turning over of flange and be fixed on and turn over whole wedge; Described material pressing core also comprises and is fixed on the upper bolster lower end and at main material pressing core and turn over little material pressing core between the whole wedge, the lower end of little material pressing core is that the binder end is the working end;
Described little material pressing core and main material pressing core in side-walls contact and little material pressing core can by turn over that whole wedge drives and main material pressing core between be slidingly matched;
The working end of described little material pressing core is with negative angle, when the working end of little material pressing core and the working end of main material pressing core join, their working face whole with the product moulding after profile be complementary, and it is coplanar to turn over the working face of the working end of whole cutter piece and little material pressing core this moment.
As to improvement of the present utility model, the described sidepiece place of turning on the whole wedge, being positioned at the top of turning over whole cutter piece is provided with and is used for driving the driving nitrogen spring that little material pressing core slides along main material pressing core towards little material pressing core.
As to further improvement of the utility model, on the described die shoe with turn over whole wedge up and down the corresponding position be ramp structure, the bottom surface of turning over whole wedge falls within on this inclined-plane; Die shoe is provided with and turns over the joining driver of whole wedge, describedly turns over whole wedge and is slidingly matched through this driver drives and die shoe.
The utility model also has a kind of improvement, described little material pressing core with the contacted side of main material pressing core on, be provided with the nitrogen spring for little material pressing core automated backhaul behind the main material pressing core down sliding.
Owing to adopted technique scheme, the utility model compared with prior art, obtained technological progress is:
1, little material pressing core arranges that to have solved prior art be product in the binder direction during with negative angle because there is negative angle in material pressing core, the problem that stamping procedure can not normally carry out, replace the negative angle position of former material pressing core with the little material pressing core in this material pressing core, little material pressing core moves from the side and plays the effect of binder;
2, the setting of driving nitrogen spring is in order to guarantee that little material pressing core slides along main material pressing core direction, to compress product;
3, the setting of driver can guarantee to turn over whole wedge and is slidingly matched better with die shoe under this driver drives;
4, but the nitrogen spring setting is in order to guarantee little material pressing core automated backhaul behind the main material pressing core down sliding.
In sum, the utility model can be enhanced productivity, and guarantees the product machining accuracy, has the characteristics of compact conformation, easy accessibility.
The utility model is applicable to process the product of various negative angles.
Description of drawings
Below in conjunction with drawings and the specific embodiments the utility model is done further to describe in detail.
Fig. 1 is the utility model embodiment overall structure schematic diagram;
Fig. 2 is the state diagram that middle main material pressing core 5 embodiment illustrated in fig. 1 rigidly connects each parts when contacting product;
Fig. 3 is the state diagram of main material pressing core 5 and little material pressing core 4 each parts when all touching product.
Among the figure: 1, drive nitrogen spring; 2, turn over whole wedge; 3, turn over whole cutter piece; 4, little material pressing core; 5, main material pressing core; 6, driver; 7, die shoe.
The specific embodiment
Embodiment
But a kind of mould of processing belt negative angle product, structure are as shown in Figure 1, comprise upper bolster, die shoe 7, turn over whole wedge 2, turn over whole cutter piece 3, reach the material pressing core that is made of main material pressing core 5 and little material pressing core 4.
Main material pressing core 5 is fixed on the lower end of upper bolster.
Turning over whole wedge 2 is fixed on the upper bolster lower end and is positioned at the top of die shoe 7 and the left of main material pressing core 5.Turn on the whole wedge 2 and be fixedly connected with driving nitrogen spring 1 by screw, it is positioned at the sidepiece place of turning over whole cutter piece 3 tops, and operative end surface is towards little material pressing core 4.
Turn over whole cutter piece 3, be used for plate is carried out flange, be fixed on and turn on the whole wedge 2.
Little material pressing core 4 is fixed on the lower end of upper bolster and at main material pressing core 5 and turn between the whole wedge 2, the lower end of little material pressing core 4 is for being the working end with the binder end of negative angle, and little material pressing core 4 and main material pressing core 5 contact and little material pressing core 4 can be slidingly matched by turning over whole wedge 2 drivings and 5 of main material pressing cores in side-walls.Little material pressing core 4 be provided with nitrogen spring with main material pressing core 5 contacted sides.
About in the of 2 the corresponding position with turning over whole wedge on the die shoe 7, is ramp structure, and the bottom surface of turning over whole wedge 2 falls within on this inclined-plane.Die shoe 7 is provided with and turns over whole wedge 2 joining drivers 6, turns over whole wedge 2 and is slidingly matched with die shoe 7 through driver 6 drivings.
The course of work of present embodiment is as follows:
(1) at first upper bolster moves downward, and drives simultaneously main material pressing core 5 and moves downward, until main material pressing core 5 contact products play the effect of binder.Because little material pressing core 4 is fixed on the upper bolster lower end equally, this moment, little material pressing core 4 also moved downward, but the binder end of little material pressing core 4 is the working end is negative angle, so that the binder end does not also contact with product fully, namely the binder end does not also play the effect (as shown in Figure 2) of binder;
(2) upper bolster continues to move downward, in this simultaneously driver 6 drive and turn over whole wedge 2 and move along the inclined-plane of die shoe 7, when driving nitrogen spring 1 contacts with little material pressing core 4, because main material pressing core 5 and 4 of little material pressing cores are slidingly matched, drive nitrogen spring 1 and drive little material pressing core 4 along main material pressing core 5 slips, so that little material pressing core 4 contacts (as shown in Figure 3) fully with product.When the binder end of little material pressing core 4 and the binder end of main material pressing core 5 (being the working end) join, be that the two is when all contacting fully with product, their overall work face and the profile after the product moulding are complementary, and it is coplanar to turn over the working face of the working end of whole cutter piece 3 and little material pressing core 4 this moment;
(3) then turn over whole cutter piece 3 beginning flange operations, until upper bolster and die shoe 7 are fully closed, the punching press flange operation of plate is finished;
(4) after the flange operation was finished, the nitrogen spring on the little material pressing core 4 drove little material pressing core 4 backhauls, leaves product, and upper bolster moves upward, and separated with die shoe 7, and after upper bolster arrived certain altitude, product just can take off.
Claims (4)
1. but the mould of a processing belt negative angle product, comprise upper bolster, die shoe (7), material pressing core, turn over whole wedge (2) with what turn over whole cutter piece (3), wherein material pressing core comprises the main material pressing core (5) that is fixed on the upper bolster lower end, turning over whole wedge (2) is fixed on the upper bolster lower end and is positioned at die shoe (7) top, main material pressing core (5) left, being used for that plate is carried out the whole cutter piece of turning over of flange (3) is fixed on and turns over whole wedge (2)
It is characterized in that:Described material pressing core comprises also and is fixed on the upper bolster lower end and is positioned at main material pressing core (5) and turns over little material pressing core (4) between the whole wedge (2) that the lower end of little material pressing core (4) is that the binder end is the working end;
Described little material pressing core (4) and main material pressing core (5) in side-walls contact and little material pressing core (4) can by turn over that whole wedge (2) drives and main material pressing core (5) between be slidingly matched;
The working end of described little material pressing core (4) is with negative angle, when the working end of the working end of little material pressing core (4) and main material pressing core (5) joins, their working face whole with the product moulding after profile be complementary, and it is coplanar to turn over the working face of the working end of whole cutter piece (3) and little material pressing core (4) this moment.
But 2. the mould of processing belt negative angle product according to claim 1,
It is characterized in that:Describedly turn over the sidepiece place that whole wedge (2) is upper, be positioned at the top of turning over whole cutter piece (3), be provided with and be used for driving the driving nitrogen spring (1) that little material pressing core (4) slides along main material pressing core (5) towards little material pressing core (4).
But 3. the mould of processing belt negative angle product according to claim 1,
It is characterized in that:Described die shoe (7) upper with turn over whole wedge (2) up and down the corresponding position be ramp structure, the bottom surface of turning over whole wedge (2) falls within on this inclined-plane; Die shoe (7) is provided with and turns over the joining driver of whole wedge (2) (6), and the described whole wedge (2) that turns over is slidingly matched with die shoe (7) through this driver (6) driving.
But 4. the mould of each described processing belt negative angle product according to claim 1-3,
It is characterized in that:Described little material pressing core (4) with the contacted side of main material pressing core (5) on, be provided with the nitrogen spring for little material pressing core (4) automated backhaul behind main material pressing core (5) down sliding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220373750 CN202803932U (en) | 2012-07-31 | 2012-07-31 | Die capable of machining workpieces with negative angles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220373750 CN202803932U (en) | 2012-07-31 | 2012-07-31 | Die capable of machining workpieces with negative angles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202803932U true CN202803932U (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220373750 Expired - Fee Related CN202803932U (en) | 2012-07-31 | 2012-07-31 | Die capable of machining workpieces with negative angles |
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| CN (1) | CN202803932U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438529A (en) * | 2015-01-04 | 2015-03-25 | 无锡锡锻机床有限公司 | Automatic compound movement type edge folding mechanism |
| CN104624815A (en) * | 2015-02-13 | 2015-05-20 | 安徽福达汽车模具制造有限公司 | Double-movable inclined wedge forming mold of headstock cover top plate |
| CN106623626A (en) * | 2016-10-27 | 2017-05-10 | 安徽江淮汽车集团股份有限公司 | Material pressing mechanism of flange shaping die |
| CN107552646A (en) * | 2017-09-29 | 2018-01-09 | 安徽江淮汽车集团股份有限公司 | Double action material pressing core and diel |
| CN110216195A (en) * | 2019-05-20 | 2019-09-10 | 四川天坤模具制造有限公司 | Molding stamping die with negative angle part |
-
2012
- 2012-07-31 CN CN 201220373750 patent/CN202803932U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438529A (en) * | 2015-01-04 | 2015-03-25 | 无锡锡锻机床有限公司 | Automatic compound movement type edge folding mechanism |
| CN104438529B (en) * | 2015-01-04 | 2016-06-01 | 无锡锡锻机床有限公司 | Automatic compound motion formula edge-folding mechanism |
| CN104624815A (en) * | 2015-02-13 | 2015-05-20 | 安徽福达汽车模具制造有限公司 | Double-movable inclined wedge forming mold of headstock cover top plate |
| CN106623626A (en) * | 2016-10-27 | 2017-05-10 | 安徽江淮汽车集团股份有限公司 | Material pressing mechanism of flange shaping die |
| CN107552646A (en) * | 2017-09-29 | 2018-01-09 | 安徽江淮汽车集团股份有限公司 | Double action material pressing core and diel |
| CN107552646B (en) * | 2017-09-29 | 2019-05-28 | 安徽江淮汽车集团股份有限公司 | Double action material pressing core |
| CN110216195A (en) * | 2019-05-20 | 2019-09-10 | 四川天坤模具制造有限公司 | Molding stamping die with negative angle part |
| CN110216195B (en) * | 2019-05-20 | 2024-05-10 | 四川天坤模具制造有限公司 | Forming stamping die for parts with negative angles |
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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: 20130320 Termination date: 20200731 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |