CN109909357B - Pressing type drawing mechanism - Google Patents
Pressing type drawing mechanism Download PDFInfo
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- CN109909357B CN109909357B CN201910217319.2A CN201910217319A CN109909357B CN 109909357 B CN109909357 B CN 109909357B CN 201910217319 A CN201910217319 A CN 201910217319A CN 109909357 B CN109909357 B CN 109909357B
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- 238000003825 pressing Methods 0.000 title claims abstract description 42
- 230000007246 mechanism Effects 0.000 title claims abstract description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 84
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 43
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 18
- 230000000670 limiting effect Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 11
- 244000208734 Pisonia aculeata Species 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000011161 development Methods 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 abstract description 3
- 230000037303 wrinkles Effects 0.000 abstract description 3
- 238000004080 punching Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a pressing type drawing mechanism, which comprises a pressing plate assembly and a time-delay lower stop block assembly, wherein the pressing plate assembly comprises a pressing plate and a nitrogen spring mounting plate which are positioned below an upper die holder, a plurality of first nitrogen springs and square cushion blocks are arranged at intervals at the top end of the pressing plate, and a time-delay upper stop block is fixed at the bottom of the pressing plate; the time delay lower stop block assembly is provided with two time delay lower stop block assemblies, and the time delay lower stop block assembly comprises a lower box body, a return spring, a second nitrogen spring, an upper box body, a time delay upper sliding block, a time delay lower stop block and other structures. The invention is applied to the mould, solves the problem that the part is easy to wrinkle, reduces the development cost of the mould, improves the production efficiency, improves the quality of the part, reduces the stamping cost, saves labor, ensures the manufacturing precision and has high mass production precision, and is suitable for the mould types of automatic line moulds, transfer moulds and the like of manipulators.
Description
Technical Field
The invention relates to the technical field of die design and other mechanical manufacturing, in particular to a pressing type drawing mechanism.
Background
At present, with the continuous improvement of aesthetic level of automobile appearance by people, the sheet metal part of the automobile body is more and more complicated in shape, and the formability and manufacturability are more challenging. However, for some beam parts with two tilted ends, the problem that the wrinkling of the tilted part cannot be eliminated exists, but the problem cannot be solved by the conventional drawing die (upper die, lower die and blank holder), and finally the quality of the product is seriously influenced.
The above-mentioned problems are to be considered by the mold designer, and therefore, how to design a drawing mechanism to solve such wrinkling problems is a problem that needs to be innovated and solved by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides a pressing type drawing mechanism.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a pressing type drawing mechanism which is arranged on an upper die holder and a blank holder of a drawing die and comprises a pressing plate component and a time-delay lower stop block component, wherein,
the pressure plate assembly comprises a pressure plate and a nitrogen spring mounting plate, wherein the pressure plate and the nitrogen spring mounting plate are positioned below the upper die holder, a plurality of first nitrogen springs and square cushion blocks are arranged at the top end of the pressure plate at intervals, one ends, far away from the pressure plate, of the first nitrogen springs are fixedly connected with the nitrogen spring mounting plate, the nitrogen spring mounting plate is fixedly connected with the upper die holder, and the top of each square cushion block is higher than the top of the pressure plate but lower than the top of each first nitrogen spring, so that the limit function is realized; a time-delay upper stop block is fixed at the bottom of the material pressing plate;
the two delay lower stop block assemblies are arranged in a left-right mirror image mode, each delay lower stop block assembly comprises a lower box body fixed on the blank holder, a return spring and a second nitrogen spring fixed on the upper die holder, an upper box body is fixed above the lower box body, a delay upper sliding block is arranged in the upper box body, and the delay upper sliding block moves along the vertical direction; a time delay lower sliding block which is matched with the time delay upper sliding block to slide is arranged in the lower box body, and the time delay lower sliding block moves along the horizontal direction; the return spring is just connected with the delay lower sliding block when the delay lower sliding block moves along the horizontal direction; a delay lower stop block is fixed at one end of the delay lower slide block, which is far away from the return spring, a slide plate for sliding is arranged at the bottom of the delay lower stop block, and the slide plate is fixed on the blank holder;
the time-delay lower stop block assembly further comprises a large stop block fixed on the blank holder and a spring jack pin fixed on the large stop block, and the spring jack pin is just connected with the time-delay lower stop block when the time-delay lower stop block moves along the horizontal direction;
the time delay upper stop block is positioned above the time delay lower stop block, and the time delay upper stop block and the time delay lower stop block can realize the action processes of approaching, contacting, sliding, jacking and keeping away; the stroke of the material pressing plate is required to be longer than the stroke of the time delay upper stop block.
By adopting the technical scheme, the invention is partially arranged on the stamping edge ring and partially arranged on the upper die seat of the stamping die, and meanwhile, the structure of the material pressing plate is creatively added on the upper die, so that the functions of pressing and returning parts of the mechanism during drawing can be directly realized, and the problem of wrinkling in the middle of drawing can be well solved.
Based on the technical scheme, the invention can also make the following improvements:
preferably, the delay upper stop block is provided with a forced pull-back hook for driving the return spring to rebound, so as to further ensure that the return spring can rebound normally.
Preferably, in the moving process of the delay lower stop block, the forced pull-back hook needs to ensure that the delay lower stop block is not interfered, so that the sliding and jacking processes between the delay lower stop block and the delay upper stop block are not influenced.
Preferably, guide plates for positioning and guiding sliding are arranged around the pressing plate, the time-delay upper sliding block, the time-delay lower stop block and the sliding plate.
Preferably, a limiting cover plate for forming a limiting effect on the time-delay upper sliding block is further arranged in the upper box body, and the limiting cover plate is located above the time-delay upper sliding block and fixedly connected with the upper box body.
Preferably, the delay lower slide block is connected with the delay lower stop block through a small stop block, and the small stop block is fixed on the delay lower slide block and used for transmitting motion between the delay lower slide block and the delay lower stop block. The impact exists instantaneously at the moment of motion transmission, so the small stop block needs heat treatment, and the hardness is between HRC43 and 47.
Preferably, a slide plate baffle for limiting the movement direction of the delay lower stop block is arranged on the slide plate, and the slide plate baffle can limit the delay lower stop block to slide in a specific direction.
Preferably, graphite materials with excellent wear resistance are inlaid at the sliding friction positions of the time delay lower stop block and the time delay upper stop block.
Preferably, the return spring comprises a return spring box body arranged outside the lower box body and a return spring fixing cover arranged between the lower box body and the return spring box body, a spring and a return pull rod fixed with the spring are arranged in the return spring box body, and one end of the return pull rod, far away from the spring, penetrates into the lower box body and is just connected with the delay lower sliding block when the delay lower sliding block moves along the horizontal direction.
Compared with the prior art, the invention discloses a pressing type drawing mechanism, which has the following beneficial effects:
1. the invention is different from a common drawing die, the upper die is provided with a pressing plate structure, when drawing and pressing, the pressing plate is not limited by other pressing plate components and a time-delay lower stop block component, a material sheet can be pressed firstly, and when the die is completely closed, the pressing and drawing processes of a part are finished firstly; when the upper die returns, the pressing plate can not move downwards to damage parts due to the acting force of the nitrogen spring due to the butt against of the upper delay stop block and the lower delay stop block, so that the problem of wrinkling of the parts in the drawing process is effectively solved.
2. The invention has the advantages of good processing and manufacturing manufacturability and easy guarantee of manufacturing precision by reasonably designing the positions and the connection modes of all structures and arranging the guide plates around the corresponding structures.
3. The invention is applied to the mould, solves the problem that the part is easy to wrinkle, reduces the development cost of the mould, improves the production efficiency, improves the quality of the part, reduces the stamping cost, saves labor, ensures the manufacturing precision and has high mass production precision, and is suitable for the mould types of automatic line moulds, transfer moulds and the like of manipulators.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the structure of the pressing plate assembly of the present invention.
FIG. 2 is a schematic view of the structure of a single delay block assembly of the present invention.
FIG. 3 is a schematic view showing the overall structure of the time delay lower stop block and the slide plate on the time delay lower stop block assembly.
Fig. 4 is a top view of the time delay lower stop assembly of the present invention.
Fig. 5 is a cross-sectional view taken along the direction of fig. 4 A-A.
Figure 6 is an isometric view of the overall mechanism of the present invention.
Fig. 7 is an exploded view of the overall mechanism of the present invention.
Fig. 8 is a drawing showing the application of the whole mechanism of the present invention to a mold (upper mold).
Fig. 9 is a drawing showing the application of the whole mechanism of the present invention to a mold (lower mold).
Fig. 10-13 are schematic views of the specific operation of the present invention.
Wherein, in the drawing,
1-a material pressing plate; 2-nitrogen spring mounting plate; 3-a first nitrogen spring; 4-square cushion blocks; 5-delaying an upper stop block; 6-forcibly pulling back the hook; 7-lower box body; 8-return springs, 81-return spring boxes, 82-return spring fixed covers, 83-springs and 84-return pull rods; 9-a second nitrogen spring; 10-upper box body; 11-delaying an upper sliding block; 12-delaying a lower sliding block; 13-a time-delay lower stop block; 14-a skateboard; 15-big stop blocks; 16-spring ejector pins; 17-a guide plate; 18-limiting cover plates; 19-small stops; 20-a slide plate baffle; 21-an upper die holder; 22-blank holder.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-9, an embodiment of the present invention discloses a swage type drawing mechanism mounted on an upper die holder 21 and a blank holder 22 of a drawing die, comprising a swage plate assembly and a time-lapse lower stop assembly, wherein,
as shown in fig. 1, the pressure plate assembly comprises a pressure plate 1 and a nitrogen spring mounting plate 2, wherein the pressure plate 1 and the nitrogen spring mounting plate 2 are positioned below an upper die holder 21, a limiting block is used between the upper die holder 21 and the pressure plate 1, a plurality of first nitrogen springs 3 and square cushion blocks 4 are arranged at intervals at the top end of the pressure plate 1, the square cushion blocks 4 are attached to the pressure plate 1 through screw locks, one ends, far away from the pressure plate 1, of the plurality of first nitrogen springs 3 are attached to the nitrogen spring mounting plate 2 through screw locks, the nitrogen spring mounting plate 2 is attached to the upper die holder 21 through screw locks, and the top of each square cushion block 4 is higher than the top of the pressure plate 1 but lower than the top of each first nitrogen spring 3, so that the limiting of the nitrogen spring mounting plate 2 is realized.
A time delay up-block 5 is fixed at the bottom of the pressure plate 1, and further, the time delay up-block 5 is locked and attached to the pressure plate 1 by using screws.
As shown in fig. 2, the delay lower stop block assemblies are provided in total and are arranged in a left-right mirror image, and each delay lower stop block assembly comprises: the upper box body 10 is fixed above the lower box body 7, the upper box body 10 is internally provided with a time-delay upper sliding block 11, and the time-delay upper sliding block 11 moves along the vertical direction; a time delay lower slide block 12 which is matched with the time delay upper slide block 11 to slide is arranged in the lower box body 7, and the time delay lower slide block 12 moves along the horizontal direction; the upper box body 10 is also internally provided with a limiting cover plate 18 for limiting the time-delay upper sliding block 12, and the limiting cover plate 18 is positioned above the time-delay upper sliding block 12 and is locked in the upper box body 10 through screws.
As shown in fig. 4 and 5, when the lower return spring 8 moves along the horizontal direction, the lower return spring 12 is just connected with the lower return spring 12, specifically, the return spring 8 includes a return spring box 81 disposed outside the lower box 7 and a return spring fixing cover 82 disposed between the lower box 7 and the return spring box 81, the return spring fixing cover 82 is attached to the lower box 7 and the return spring box 81 through a screw lock, a spring 83 and a return pull rod 84 fixed to the spring 83 are disposed inside the return spring box 81, and one end of the return pull rod 84 away from the spring 83 penetrates into the lower box 7 and is just connected with the lower return spring 12 when the lower return spring 12 moves along the horizontal direction, so as to realize the functions of guiding and controlling the return of the lower return spring 12.
As shown in fig. 2 and 3, a small stop block 19 is fixed at one end of the delay lower slide block 12 far away from the return pull rod 84 through a screw, the delay lower stop block 13 is fixed at one end of the small stop block 19 far away from the delay lower slide block 12 through a screw, a sliding plate 14 for sliding the delay lower stop block 13 is arranged at the bottom of the delay lower stop block 13, and the sliding plate 14 is attached to the blank holder 22 through a screw. Further, a slide plate shutter 20 is provided on the slide plate 14 for restricting the delay time stopper 13 to slide only in the Y direction.
The time-delay lower stop block assembly further comprises a large stop block 15 which is locked and attached to the blank holder 22 through a screw, and a spring jack 16 which is locked and attached to the large stop block 15 through the screw, wherein the spring jack 16 is just connected with the sliding plate 14 when the time-delay lower stop block 13 moves along the horizontal direction, so that the guide effect is realized.
The time delay upper stop block 5 is positioned above the time delay lower stop block 13, the two can realize the action processes of approaching, contacting, sliding, propping and keeping away, and the stroke of the material pressing plate 1 is necessarily longer than the stroke of the time delay upper stop block 5, so that the time delay upper stop block 5 and the time delay lower stop block 13 can form sliding in the closing process of the upper die and the lower die, and the material pressing plate 1 is not limited in drawing.
In order to further optimize the above scheme, as shown in fig. 1, 6 and 7, a forced pull-back hook 6 for driving the return pull rod 84 to rebound is further arranged on the delay upper stop 5, and the forced pull-back hook 6 is locked on the delay upper stop 5, so that the delay lower stop 13 is ensured not to interfere when moving.
In order to further optimize the scheme, as shown in fig. 1-7, guide plates 17 for positioning and guiding sliding are locked on the peripheries of the material pressing plate 1, the upper delay sliding block 11, the lower delay sliding block 12, the lower delay stop block 13 and the sliding plate 14 by screws. The guide plates 17 arranged around the material pressing plate 1 are used for forming guide sliding with the upper die seat 21.
In order to further optimize the scheme, graphite is inlaid at the sliding friction part of the time delay lower stop block 13 and the time delay upper stop block 5.
In order to further optimize the scheme, the structural strength of the pressing plate 1 is fully ensured, and the material used by the pressing plate 1 is adjusted according to the material and the thickness of the product to be drawn.
The working process of the invention is explained in detail below:
(1) As shown in fig. 10, the drawing die is mounted on a press machine, the upper die is mounted on an upper slide of the press machine, and the lower die is mounted on a table of the press machine, wherein the upper die includes an upper die holder 21 and an upper die body provided on the upper die holder, and the lower die includes a lower die holder and a lower die body provided on the lower die holder. In the initial state, the upper sliding block of the punching machine is positioned at the top dead center position, and the material pressing plate assembly and the first nitrogen spring 3 therein are both in a natural state; the delay lower stop block assembly, the second nitrogen spring 9 and the return spring 8 are in a natural state; the blank holder 22 is lifted up by the ejector rod of the punching machine.
(2) As shown in fig. 11, the stamping machine drives the upper die holder 21 to move downwards, the pressing plate 1 is firstly contacted with the lower die holder, the upper die holder 21 continues to move downwards, the first nitrogen spring 3 on the nitrogen spring mounting plate 2 and the second nitrogen spring 9 fixed on the upper die holder 21 are driven to start to compress, the second nitrogen spring 9 starts to contact with the time-delay upper sliding block 11, the time-delay upper sliding block 11 drives the time-delay lower sliding block 12 to move, and then the time-delay lower stop 13 is contacted with the time-delay upper stop 5 which moves downwards (namely the time-delay upper stop 5 and the time-delay lower stop 13 slide oppositely), at this time, the pressing plate 1 is not limited by the time-delay lower stop component, and the material sheet can be pressed firstly.
(3) When the stamping machine moves to the bottom dead center, as shown in fig. 12, the die is in a closed state, the upper die holder 21 is attached to the blank holder 22 and is pressed into the lower die holder, the ejection pin 16 is inserted into the delay lower stop block 13, the return pull rod 84 is connected with the delay lower slide block 12, the first nitrogen spring 3 and the second nitrogen spring 9 are completely compressed, the pressure plate 1 is completely contacted with the lower die holder, the pressure plate 1 is mounded with the square cushion block 4, the delay lower stop block assembly is moved, the delay upper stop block and the delay lower stop block are in a butt state, and the process of pressing and drawing parts is completed.
(4) As shown in fig. 13, when the upper die holder 21 returns, the first nitrogen spring 3 and the second nitrogen spring 9 release pressure and return to a natural state, the return spring 8 drives the delay lower stop block 13 to slide back, the spring jacking pin does not limit the movement of the delay lower stop block 13 any more, the blank holder 22 is jacked by the ejector rod of the punching machine tool, the part is jacked along with the blank holder 22, and the blank holder 1 can not move downwards to damage the part due to the acting force of the first nitrogen spring 3 and the second nitrogen spring 9 because the delay upper stop block and the lower stop block are in a opposite-jacking state. The upper slide block of the punching machine continues to move upwards, the time-delay upper stop block 5 leaves the time-delay lower stop block 13, and finally the upper slide block of the punching machine is in the upper dead point position again, so that the reset is completed, and one working cycle is finished.
The invention is applied to the mould, solves the problem that the part is easy to wrinkle, reduces the development cost of the mould, improves the production efficiency, improves the quality of the part, reduces the stamping cost, saves labor, ensures the manufacturing precision and has high mass production precision, and is suitable for the mould types of automatic line moulds, transfer moulds and the like of manipulators.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A material pressing type drawing mechanism is arranged on an upper die holder and a blank holder of a drawing die and is characterized by comprising a material pressing plate component and a time-delay lower stop block component, wherein,
the pressure plate assembly comprises a pressure plate and a nitrogen spring mounting plate, wherein the pressure plate and the nitrogen spring mounting plate are positioned below the upper die holder, a plurality of first nitrogen springs and square cushion blocks are arranged at the top end of the pressure plate at intervals, one ends, far away from the pressure plate, of the first nitrogen springs are fixedly connected with the nitrogen spring mounting plate, the nitrogen spring mounting plate is fixedly connected with the upper die holder, and the top of each square cushion block is higher than the top of the pressure plate but lower than the top of each first nitrogen spring; a time-delay upper stop block is fixed at the bottom of the material pressing plate;
the two time-delay lower stop block assemblies are arranged in a left-right mirror image mode and comprise a lower box body fixed on the edge pressing ring, a return spring and a second nitrogen spring fixed on the upper die holder, an upper box body is fixed above the lower box body, a time-delay upper sliding block is arranged in the upper box body, and the time-delay upper sliding block moves along the vertical direction; a time delay lower sliding block which is matched with the time delay upper sliding block to slide is arranged in the lower box body, and the time delay lower sliding block moves along the horizontal direction; the return spring is just connected with the delay lower sliding block when the delay lower sliding block moves along the horizontal direction; a delay lower stop block is fixed at one end of the delay lower slide block, which is far away from the return spring, a slide plate for sliding is arranged at the bottom of the delay lower stop block, and the slide plate is fixed on the blank holder;
the time-delay lower stop block assembly further comprises a large stop block fixed on the blank holder and a spring jack pin fixed on the large stop block, and the spring jack pin is just connected with the time-delay lower stop block when the time-delay lower stop block moves along the horizontal direction;
the time delay upper stop block is positioned above the time delay lower stop block, and the time delay upper stop block and the time delay lower stop block can realize the action processes of approaching, contacting, sliding, jacking and keeping away; the stroke of the material pressing plate is longer than that of the time-delay upper stop block.
2. The swage type drawing mechanism of claim 1, wherein: and the time delay upper stop block is provided with a forced pull-back hook for driving the return spring to rebound.
3. A swage type drawing mechanism according to claim 2, wherein: and in the motion process of the time-delay lower stop block, the forced pull-back hook cannot interfere with the time-delay lower stop block.
4. The swage type drawing mechanism of claim 1, wherein: the material pressing plate, the time delay upper sliding block, the time delay lower stop block and the periphery of the sliding plate are all provided with guide plates for positioning and guiding sliding.
5. The swage type drawing mechanism of claim 1, wherein: the upper box body is internally provided with a limiting cover plate for forming a limiting effect on the time-delay upper sliding block, and the limiting cover plate is positioned above the time-delay upper sliding block and fixedly connected with the upper box body.
6. The swage type drawing mechanism of claim 1, wherein: the delay lower sliding block is connected with the delay lower stop block through a small stop block.
7. The swage type drawing mechanism of claim 1, wherein: and a slide plate baffle plate used for limiting the movement direction of the delay lower stop block is arranged on the slide plate.
8. The swage type drawing mechanism of claim 1, wherein: and graphite is inlaid at the sliding friction part of the time delay lower stop block and the time delay upper stop block.
9. The swage type drawing mechanism of claim 1, wherein: the return spring comprises a return spring box body arranged outside the lower box body and a return spring fixing cover arranged between the lower box body and the return spring box body, a spring and a return pull rod fixed with the spring are arranged in the return spring box body, and one end of the return pull rod, far away from the spring, penetrates into the lower box body and is just connected with the delay lower sliding block when the delay lower sliding block moves along the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910217319.2A CN109909357B (en) | 2019-03-21 | 2019-03-21 | Pressing type drawing mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910217319.2A CN109909357B (en) | 2019-03-21 | 2019-03-21 | Pressing type drawing mechanism |
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| CN109909357A CN109909357A (en) | 2019-06-21 |
| CN109909357B true CN109909357B (en) | 2024-02-13 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889246A (en) * | 2015-05-18 | 2015-09-09 | 湖南湖大艾盛汽车技术开发有限公司 | Drawing die structure with double press materials feeding and punching method utilizing drawing die structure |
| JP2017013097A (en) * | 2015-07-02 | 2017-01-19 | 株式会社デンソー | Press machine |
| CN206824508U (en) * | 2017-04-25 | 2018-01-02 | 日晗精密机械(昆山)有限公司 | A kind of time-delay mechanism's drawing die of electrified control |
| CN209810996U (en) * | 2019-03-21 | 2019-12-20 | 厦门金龙汽车车身有限公司 | Material pressing type drawing mechanism |
-
2019
- 2019-03-21 CN CN201910217319.2A patent/CN109909357B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889246A (en) * | 2015-05-18 | 2015-09-09 | 湖南湖大艾盛汽车技术开发有限公司 | Drawing die structure with double press materials feeding and punching method utilizing drawing die structure |
| JP2017013097A (en) * | 2015-07-02 | 2017-01-19 | 株式会社デンソー | Press machine |
| CN206824508U (en) * | 2017-04-25 | 2018-01-02 | 日晗精密机械(昆山)有限公司 | A kind of time-delay mechanism's drawing die of electrified control |
| CN209810996U (en) * | 2019-03-21 | 2019-12-20 | 厦门金龙汽车车身有限公司 | Material pressing type drawing mechanism |
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| CN109909357A (en) | 2019-06-21 |
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