CN104399807A - Stamping method of cold stamping die - Google Patents
Stamping method of cold stamping die Download PDFInfo
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- CN104399807A CN104399807A CN201410618417.4A CN201410618417A CN104399807A CN 104399807 A CN104399807 A CN 104399807A CN 201410618417 A CN201410618417 A CN 201410618417A CN 104399807 A CN104399807 A CN 104399807A
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- wedge
- punching
- mould body
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- stamping parts
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Abstract
The invention relates to a stamping method of a cold stamping die. A hydraulic device is arranged on the top of an upper die holder (1) of the cold stamping die, and the bottom of the upper die holder (1) is fixedly connected with an upper die body through a fixed base; a lower die body is fixed on the top of a lower die holder (2) of the cold stamping die, the upper die body is provided with a stripper plate, a side punching wedge slider (3) is connected with a side punch (32), and can move on the upper die holder (1) under the action of a first driving block (21), and the cold stamping die is characterized by also comprising a wedge mechanism (8) which is arranged on the upper die holder and the lower die holder. In the downward motion process of the upper die holder (1), the wedge mechanism (8) is first triggered to move, so that a side shaping insert (86) acts on a shaped part (52) of a stamped part (5), the side punching wedge slider (3) is then triggered, so that the side punch (32) acts on a punched part (51) of the stamped part (5) in the end, and thereby shaping and punching are complete in the same process.
Description
Technical field
The present invention relates to a kind of cold punching die process for stamping.
Background technology
Cold punching die mostly is to be arranged on forcing press and at room temperature applies deformation force acquisition definite shape, the special specific purpose tool of the product parts of size and performance.
For stamping parts, the differing heights position of stamping parts may need to carry out different punching press process, such as, carry out side shaping and punching respectively at different positions.When existing cold punching die carries out punching press, there is following technological deficiency: existing cold punching die processes respectively to stamping parts different parts, punching press treatment step will be increased, and different positions respectively punching press may cause the distortion of different parts, have influence on quality and the precision of stamping parts.
Chinese patent: a kind of side reshaping device solving the resilience of stamping parts side, application publication number: CN102699148A, disclose a kind of side reshaping device, wedge structure in this side reshaping device is the inside being arranged on diel, but diel inner space is limited and cannot arrange wedge structure, thus cause difficulty and the parts machining process complexity of Making mold.
Summary of the invention
The present invention devises a kind of cold punching die process for stamping, its technical problem solved is: the wedge structure in the reshaping device of (1) existing side is the inside being arranged on diel, but diel inner space is limited and cannot arrange wedge structure, thus cause difficulty and the parts machining process complexity of Making mold.(2) existing cold punching die processes respectively to stamping parts different parts, will increase punching press treatment step, and different positions respectively punching press may cause the distortion of different parts, have influence on quality and the precision of stamping parts.
In order to solve the technical problem of above-mentioned existence, present invention employs following scheme:
A kind of cold punching die process for stamping, comprises the following steps: step 1, be placed between upper mould body and lower mould body by stamping parts (5);
The hydraulic means of step 2, startup cold punching die, Wedge mechanism on upper and lower die holder moves downward the thrust of generation by patrix, delivers to the dressing stick on lower mould body by being positioned at mold exterior side shaping insert (86) the shaping portion (52) of stamping parts (5) is carried out pressing flanging;
Step 3, upper bolster (1) continues descending, pilot pin on lower mould body starts the correcting hole entered on mould body and guarantees that upper mould body stroke does not occur deviation, first of side punching wedge sliding shoe (3) drives ramp (31) to touch first of the first drive block (21) and drives lower inclined plane (211), first drives lower inclined plane (211) to push side punching wedge sliding shoe (3) moves to punching portion (51) direction of stamping parts (5) and extrudes the 3rd back-moving spring (34), the side blow drift (32) be connected with side punching wedge sliding shoe (3) realizes punching portion (51) side punching to stamping parts (5), now upper and lower mould body closes,
Stripper in step 4, upper mould body ejects and is separated with upper mould body by stamping parts (5), and side shaping and the side blow compression technology of stamping parts (5) complete;
Step 5, upper bolster (1) are up, and the first drive block (21) is separated with side punching wedge sliding shoe (3), and side punching wedge sliding shoe (3) is resetted by the 3rd back-moving spring (34);
It is up that step 6, upper bolster continue (1), is separated with driving wedge (81) by dynamic wedge (82), and resetted by the first back-moving spring (8271) by dynamic wedge (82), the first trace (83) is resetted by the second back-moving spring (833).
Further, step 2 comprises step by step following:
Step 21, when patrix is descending, the trace drive block (814) of the driving wedge (81) on upper bolster (1) promotes drive division (831) first downwards, first trace (83) is under the action principle of lever, second trace (84) is lifted by the 3rd connecting axle (842) by its other end, and side shaping insert (86) is also lifted;
Step 22, driving wedge (81) continue descending, and its limited block (812) withstands the first trace (83) and makes it keep the state lifted;
Step 23, when drive the driving inclined-plane (813) of wedge (81) act on by dynamic wedge (82) by dynamic inclined-plane (821) time, move to the second trace (84) direction by dynamic wedge (82), also make the dressing stick direction of side shaping insert (86) downwards on mould body move, and the most at last the shaping portion (52) of stamping parts (5) by side shaping insert (86) and dressing stick attaching and compacting.
A kind of cold punching die, its upper bolster (1) top is provided with hydraulic means, and upper bolster (1) bottom is fixedly connected with upper mould body by holder, its die shoe (2) top is fixed with lower mould body, upper mould body is provided with stripper, side punching wedge sliding shoe (3) is connected with side blow drift (32), side punching wedge sliding shoe (3) is by upper mobile at upper bolster (1) under the first drive block (21) effect, it is characterized in that: also comprise and being arranged on, Wedge mechanism (8) on die shoe, Wedge mechanism (8) connection side shaping insert (86), side shaping insert (86) is positioned at when not working, between die shoe, stamping parts (5) is carried out pressing flanging by the dressing stick delivered on lower mould body by Wedge mechanism (8) during side shaping insert (86) work, in upper bolster (1) descending process, first trigger the shaping portion (52) that side shaping insert (86) is acted on stamping parts (5) by Wedge mechanism (8) motion, rear triggering side punching wedge sliding shoe (3) also finally makes side blow drift (32) act on the punching portion (51) of stamping parts (5), completes shaping and punching in same operation.
Further, described Wedge mechanism (8) comprises driving wedge (81), by dynamic wedge (82), first trace (83), second trace (84) and the 3rd trace (85), first trace (83) is L-type structure, be connected with the first trace (83) middle part by the first connecting axle (832) by dynamic wedge (82), first trace (83) one end is provided with drive division (831), first trace (83) other end is connected with the second trace (84) upper end by the 3rd connecting axle (842), second trace (84) lower end is connected with the 3rd trace (85) one end by the second connecting axle (841), 3rd trace (85) other end is connected with by dynamic wedge (82) by the 4th connecting axle (828), wedge (81) is driven to be fixed on upper bolster (1) by connecting plate (811), drive side, wedge (81) below to be provided with and drive inclined-plane (813), wedge (81) below opposite side is driven to be provided with trace drive block (814), trace drive block (814) acts on drive division (831) and the first trace (83) is rotated around the first connecting axle (832) when patrix does descending motion, drive on wedge (81) sidewall and be also provided with limited block (812), be arranged on die shoe (2) by dynamic wedge (82), be fixedly connected with slide block (824) by dynamic wedge (82) bottom, the upper correspondence of the holder (822) on die shoe is provided with chute (825), and slide block (824) moves horizontally in chute (825), by dynamic wedge (82) be provided with drive the driving inclined-plane (813) of wedge (81) to mate by dynamic inclined-plane (821), be connected with the first back-moving spring (8271) by between the spring anchorage bracket (827) on dynamic wedge (82) and holder (822), be connected with the second back-moving spring (833) by dynamic between wedge (82) and the first trace (83), second trace (84) is vertical rod, and its top is provided with described side shaping insert (86).
Further, wedge (81) is driven to be U-shaped structure, two U-shaped arm is fixedly connected with upper bolster (1), side punching wedge sliding shoe (3) middle part is arranged in the U-shaped current hole driving wedge (81), and side punching wedge sliding shoe (3) two ends are respectively side blow drift (32) and drive division.
Further, upper bolster (1) is provided with side punching wedge sliding shoe limit sliding chutes (12), and side punching wedge sliding shoe (3) is slided in side punching wedge sliding shoe limit sliding chutes (12) by its first slide plate (33).
Further, side punching wedge sliding shoe (3) shift motion direction is provided with the 3rd back-moving spring (34), the 3rd back-moving spring (34) is fixed on upper bolster (1).
Further, the drive division of side punching wedge sliding shoe (3) bottom is the first driving ramp (31), and the first drive block (21) is provided with the first driving lower inclined plane (211) accordingly.
Further, described lower mould body is provided with a pilot pin, mould body correspondence position is provided with correcting hole on described, utilizes the cooperation of correcting hole and pilot pin, can keep point-blank moving at every turn after mould body is depressed.
This cold punching die process for stamping, compared with traditional cold diel process for stamping, has following beneficial effect:
(1) Wedge mechanism is arranged on upper and lower die holder by the present invention, and be not arranged on mould inside, by double leval jib bindiny mechanism, side shaping insert on Wedge mechanism can be moved with vertical direction in the horizontal direction and finally coordinate with the shaping portion, side of lower mould body, the pressure produced by mould self makes the position of stamping parts generation resilience by shaping portion, the side attaching and compacting of side shaping insert and lower mould body, and greatly saves the arrangement space of mould inside.
(2) the present invention realizes carrying out shaping and punching in same operation, thus reduces procedure of processing and processing cost and flange wrinkling, and improves punching precision and stamping parts quality.
(3) the present invention utilizes the cooperation of correcting hole and pilot pin, can keep point-blank moving after mould body is depressed at every turn, makes the stamping parts steady quality of punching press aftershaping, guarantees the product quality produced in batches.
Accompanying drawing explanation
Fig. 1: the structural representation of cold punching die of the present invention;
Fig. 2: the side schematic view of cold punching die of the present invention.
Description of reference numerals:
1-upper bolster; 12-side punching wedge sliding shoe limit sliding chutes; 2-die shoe; 21-the first drive block; 211-the first drives lower inclined plane; 3-side punching wedge sliding shoe; 31-the first drives ramp; 32-side blow drift; 33-the first slide plate; 34-the three back-moving spring; 5-stamping parts; 51-punching portion; 52-shaping portion; 8-Wedge mechanism; 81-drive wedge; 811-connecting plate; 812-limited block; 813-drive inclined-plane; 814-trace drive block; 82-by dynamic wedge; 821-by dynamic inclined-plane; 822-holder; 823-rear positive stop; 824-slide block; 825-chute; 826-front limit stop block; 827-spring anchorage bracket; 8271-the first back-moving spring; 828-the four connecting axle; 83-the first trace; 831-drive division; 832-the first connecting axle; 833-the second back-moving spring; 84-the second trace; 841-the second connecting axle; 842-the three connecting axle; 85-the three trace; 86-side shaping insert; 87-U-shaped current hole.
Detailed description of the invention
Below in conjunction with Fig. 1 and Fig. 2, the present invention will be further described:
In describing the invention, it will be appreciated that, term " longitudinal direction ", " transverse direction ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
In describing the invention, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
As shown in Figure 1, a kind of cold punching die, its upper bolster 1 top is provided with hydraulic means, is fixedly connected with bottom upper bolster 1 by holder with upper mould body; Its die shoe 2 top is fixed with lower mould body, upper mould body is provided with stripper, side punching wedge sliding shoe 3 is connected with side blow drift 32, side punching wedge sliding shoe 3 is moved under being acted on by the first drive block 21 on upper bolster 1, also comprise the Wedge mechanism be arranged on upper and lower die holder, Wedge mechanism connection side shaping insert 86, when side shaping insert 86 does not work between upper and lower die holder, stamping parts 5 is carried out pressing flanging by the dressing stick delivered on lower mould body by Wedge mechanism 8 when side shaping insert 86 works; In the descending process of upper bolster 1, first triggering Wedge mechanism 8 moves and side shaping insert 86 is acted on the shaping portion 52 of stamping parts 5, rear triggering side punching wedge sliding shoe 3 also finally makes side blow drift 32 act on the punching portion 51 of stamping parts 5, completes shaping and punching in same operation.
Wedge mechanism 8 comprises driving wedge 81, by dynamic wedge 82, first trace 83, second trace 84 and the 3rd trace 85, first trace 83 is L-type structure, be connected with the first trace 83 middle part by the first connecting axle 832 by dynamic wedge 82, first trace 83 one end is provided with drive division 831, first trace 83 other end is connected with the second trace 84 upper end by the 3rd connecting axle 842, second trace 84 lower end is connected with the 3rd trace 85 one end by the second connecting axle 841, 3rd trace 85 other end is connected with by dynamic wedge 82 by the 4th connecting axle 828, wedge 81 is driven to be fixed on upper bolster 1 by connecting plate 811, drive side below wedge 81 to be provided with and drive inclined-plane 813, below driving wedge 81, opposite side is provided with trace drive block 814, trace drive block 814 acts on drive division 831 and first trace 83 is rotated around the first connecting axle 832 when patrix does descending motion, drive on wedge 81 sidewall and be also provided with limited block 812, be arranged on die shoe 2 by dynamic wedge 82, be fixedly connected with slide block 824 by bottom dynamic wedge 82, on the holder 822 on die shoe 2, correspondence is provided with chute 825, and slide block 824 moves horizontally in chute 825, by dynamic wedge 82 be provided with drive the driving inclined-plane 813 of wedge 81 mate by moving inclined-plane 821, be connected with the first back-moving spring 8271 by between the spring anchorage bracket 827 on dynamic wedge 82 and holder 822, be connected with the second back-moving spring 833 by dynamic between wedge 82 and the first trace 83, second trace 84 is vertical rod, and its top is provided with described side shaping insert 86.
The slide construction of sliding shoe is as follows: drive wedge 81 to be U-shaped structure, two U-shaped arm is fixedly connected with upper bolster 1, side punching wedge sliding shoe 3 middle part is arranged in the U-shaped current hole driving wedge 81, and side punching wedge sliding shoe 3 two ends are respectively side blow drift 32 and drive division.Upper bolster 1 is provided with side punching wedge sliding shoe limit sliding chutes 12, and side punching wedge sliding shoe 3 is slided in side punching wedge sliding shoe limit sliding chutes 12 by its first slide plate 33.
The resetting structure of side punching wedge sliding shoe is as follows: on side punching wedge sliding shoe 3 shift motion direction, be provided with the 3rd back-moving spring the 34, three back-moving spring 34 be fixed on upper bolster 1.
The drives structure of side punching wedge sliding shoe is as follows: the drive division bottom side punching wedge sliding shoe 3 is that the first driving ramp 31, first drive block 21 is provided with the first driving lower inclined plane 211 accordingly.
Be provided with spring in the installing hole of stripper on upper mould body, stripper is subjected to displacement with upper mould body under the action of the spring, to be separated with upper mould body by the stamping parts completed 5.
The operation principle of the Wedge mechanism 8 in the present invention is as follows:
Step 1, when patrix is descending, the trace drive block 814 of the driving wedge 81 on upper bolster 1 promotes drive division 831 first downwards, first trace 83 is under the action principle of lever, and the second trace 84 is lifted by the 3rd connecting axle 842 by its other end, and side shaping insert 86 is also lifted.
Step 2, driving wedge 81 continue descending, and its limited block 812 withstands the first trace 83 and makes it keep the state lifted.
Step 3, when drive the driving inclined-plane 813 of wedge 81 act on by dynamic wedge 82 by dynamic inclined-plane 821 time, move to the second trace 84 direction by dynamic wedge 82, also make the dressing stick direction on the downward mould body of side shaping insert 86 move, and the shaping portion 52 of stamping parts 5 pass through side shaping insert 86 and dressing stick attaching and compacting the most at last.
Step 4, after side shaping completes, patrix is up to be made to drive wedge 81 to be separated with by dynamic wedge 82, and the first trace 83 resets under the effect of the second back-moving spring 833, resets under the effect of the first back-moving spring 8271 by dynamic wedge 82.
Cold punching die method of work of the present invention is as follows:
Step 1, stamping parts 5 is placed between upper mould body and lower mould body;
Step 2, start cold punching die, the Wedge mechanism on upper and lower die holder moves downward the thrust of generation by patrix, by being positioned at the dressing stick that mold exterior side shaping insert 86 delivers on lower mould body, stamping parts 5 is carried out pressing flanging;
Step 3, upper bolster 1 continue descending, pilot pin on lower mould body starts the correcting hole entered on mould body and guarantees that upper mould body stroke does not occur deviation, first of side punching wedge sliding shoe 3 drives ramp 31 to touch first of the first drive block 21 and drives lower inclined plane 211, first drives lower inclined plane 211 to push side punching wedge sliding shoe 3 moves to the direction, punching portion 51 of stamping parts 5 and extrudes the 3rd back-moving spring 34, and the side blow drift 32 be connected with side punching wedge sliding shoe 3 realizes stamping parts 5 side punching; Now upper and lower mould body closes;
Stripper in step 4, upper mould body ejects and is separated with upper mould body by stamping parts 5, and side shaping and the side blow compression technology of stamping parts 5 complete;
Step 5, upper bolster 1 are up, and the first drive block 21 is separated with side punching wedge sliding shoe 3, and side punching wedge sliding shoe 3 is resetted by the 3rd back-moving spring 34;
Step 6, upper bolster continue 1 up, are separated with driving wedge 81 by dynamic wedge 82, and resetted by the first back-moving spring 8271 by dynamic wedge 82, the first trace 83 is resetted by the second back-moving spring 833.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious realization of the present invention is not subject to the restrictions described above; as long as have employed the various improvement that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all in protection scope of the present invention without to improve.
Claims (2)
1. a cold punching die process for stamping, comprises the following steps: step 1, be placed between upper mould body and lower mould body by stamping parts (5);
The hydraulic means of step 2, startup cold punching die, Wedge mechanism on upper and lower die holder moves downward the thrust of generation by patrix, delivers to the dressing stick on lower mould body by being positioned at mold exterior side shaping insert (86) the shaping portion (52) of stamping parts (5) is carried out pressing flanging;
Step 3, upper bolster (1) continues descending, pilot pin on lower mould body starts the correcting hole entered on mould body and guarantees that upper mould body stroke does not occur deviation, first of side punching wedge sliding shoe (3) drives ramp (31) to touch first of the first drive block (21) and drives lower inclined plane (211), first drives lower inclined plane (211) to push side punching wedge sliding shoe (3) moves to punching portion (51) direction of stamping parts (5) and extrudes the 3rd back-moving spring (34), the side blow drift (32) be connected with side punching wedge sliding shoe (3) realizes punching portion (51) side punching to stamping parts (5), now upper and lower mould body closes,
Stripper in step 4, upper mould body ejects and is separated with upper mould body by stamping parts (5), and side shaping and the side blow compression technology of stamping parts (5) complete;
Step 5, upper bolster (1) are up, and the first drive block (21) is separated with side punching wedge sliding shoe (3), and side punching wedge sliding shoe (3) is resetted by the 3rd back-moving spring (34);
It is up that step 6, upper bolster continue (1), is separated with driving wedge (81) by dynamic wedge (82), and resetted by the first back-moving spring (8271) by dynamic wedge (82), the first trace (83) is resetted by the second back-moving spring (833).
2. cold punching die process for stamping according to claim 1, is characterized in that: step 2 comprises step by step following:
Step 21, when patrix is descending, the trace drive block (814) of the driving wedge (81) on upper bolster (1) promotes drive division (831) first downwards, first trace (83) is under the action principle of lever, second trace (84) is lifted by the 3rd connecting axle (842) by its other end, and side shaping insert (86) is also lifted;
Step 22, driving wedge (81) continue descending, and its limited block (812) withstands the first trace (83) and makes it keep the state lifted;
Step 23, when drive the driving inclined-plane (813) of wedge (81) act on by dynamic wedge (82) by dynamic inclined-plane (821) time, move to the second trace (84) direction by dynamic wedge (82), also make the dressing stick direction of side shaping insert (86) downwards on mould body move, and the most at last the shaping portion (52) of stamping parts (5) by side shaping insert (86) and dressing stick attaching and compacting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410618417.4A CN104399807A (en) | 2014-11-06 | 2014-11-06 | Stamping method of cold stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410618417.4A CN104399807A (en) | 2014-11-06 | 2014-11-06 | Stamping method of cold stamping die |
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| Publication Number | Publication Date |
|---|---|
| CN104399807A true CN104399807A (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410618417.4A Pending CN104399807A (en) | 2014-11-06 | 2014-11-06 | Stamping method of cold stamping die |
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| CN (1) | CN104399807A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107363155A (en) * | 2017-08-23 | 2017-11-21 | 安徽江淮汽车集团股份有限公司 | A kind of side shaping and side punching composite die |
| CN107755565A (en) * | 2017-11-21 | 2018-03-06 | 广州启盈机电设备有限公司 | One kind automation electric cooker production line and its technique |
| CN110508684A (en) * | 2019-07-02 | 2019-11-29 | 广东联塑安防科技有限公司 | A kind of box-like cover belling punching die |
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| CN107363155A (en) * | 2017-08-23 | 2017-11-21 | 安徽江淮汽车集团股份有限公司 | A kind of side shaping and side punching composite die |
| CN107363155B (en) * | 2017-08-23 | 2018-10-09 | 安徽江淮汽车集团股份有限公司 | A kind of side shaping and side punching composite die |
| CN107755565A (en) * | 2017-11-21 | 2018-03-06 | 广州启盈机电设备有限公司 | One kind automation electric cooker production line and its technique |
| CN110508684A (en) * | 2019-07-02 | 2019-11-29 | 广东联塑安防科技有限公司 | A kind of box-like cover belling punching die |
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