CN110238285A - A kind of molding die and forming method preventing thin material product de- material deformation - Google Patents
A kind of molding die and forming method preventing thin material product de- material deformation Download PDFInfo
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- CN110238285A CN110238285A CN201910598078.0A CN201910598078A CN110238285A CN 110238285 A CN110238285 A CN 110238285A CN 201910598078 A CN201910598078 A CN 201910598078A CN 110238285 A CN110238285 A CN 110238285A
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- 239000000463 material Substances 0.000 title claims abstract description 106
- 238000000465 moulding Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 65
- 230000033001 locomotion Effects 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 7
- 235000012438 extruded product Nutrition 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000012163 sequencing technique Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/06—Stripping-off devices
- B21D45/08—Stripping-off devices interrelated with motion of tool
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of molding dies for preventing thin material product de- material deformation, including upper die mechanism and lower die mechanism, upper die mechanism includes forming convax mould, guidance set and de- material component, de- material component includes cylinder, reverse ejecting plate and stripper plate, stripper plate is located at two outsides of forming convax mould, cylinder and reverse ejecting plate are located therein the outside of a stripper plate, lower die mechanism includes molding concave die, buoyant block, interior de- plate and liftout component, liftout component includes lower roof plate, outer mandril and interior mandril, the up and down connection lower die mechanism of lower roof plate, the bottom of outer mandril and interior mandril is all connected with lower roof plate, lower roof plate is located at the two sides of molding concave die, de- plate in the top connection of interior mandril；Buoyant block and stripper plate connect；The present invention also provides a kind of forming methods for preventing thin material product de- material deformation.After applying the present invention, upper and lower mould will not contact simultaneously extruded product up and down, give product bring metaboly so as to avoid de- material, and then ensure that the precision of product when separating de- material.
Description
Technical field
The present invention relates to a kind of molding dies, in particular to a kind of shaping mould for preventing thin material product de- material deformation
Tool and forming method.
Background technique
Mold, in industrial production to be molded, be blow molded, squeeze out, die casting or the methods of forging and forming, smelting, punching press obtain
The various moulds and tool of required product.Mold generally comprises two parts of dynamic model and cover half (or punch-pin and cavity plate), and the two can
Dividing can close.Product is taken out when separating, blank injection mold cavity forming is made when closing up.
In general, the edge of thin material product, which in production, needs to stamp drawing die, carries out stretch processing, wanted with acquisition
Shape of product or structure.But since product is relatively thin, after product stretches, upper and lower mould is when separating de- material, upper and lower mould one
It rises and moves upwards, so that product is easy the extruding by upper and lower mould and generates deformation, therefore reduce the quality of production of product.
Summary of the invention
In consideration of it, the present invention provides a kind of molding die for preventing thin material product de- material deformation, upper and lower mould is de- in separation
When material, simultaneously extruded product will not be contacted up and down, gives product bring metaboly so as to avoid de- material, and then ensure that product
Precision.
On the one hand, the present invention provides a kind of molding die for preventing the deformation of thin material product de- material, including upper die mechanism and
Lower die mechanism, the upper die mechanism include forming convax mould, guidance set and de- material component, the de- material component include cylinder,
Reverse ejecting plate and stripper plate, the stripper plate are located at two outsides of the forming convax mould, and the cylinder and the reverse ejecting plate are located at
The wherein outside of a stripper plate, the lower die mechanism include molding concave die, buoyant block, interior de- plate and liftout component, institute
Stating liftout component includes lower roof plate, outer mandril and interior mandril, and the up and down connection lower die mechanism of lower roof plate is described
The bottom of outer mandril and the interior mandril is all connected with the lower roof plate, and the lower roof plate is located at the two sides of the molding concave die, institute
The top for stating interior mandril connects the interior de- plate；The buoyant block, which floats up and down, connects the lower die mechanism, and with the de- material
Plate connects.
Further, the guidance set includes the first guide post, the second guide post for being set to two outside of upper die mechanism
And it is set to the third guide post on the outside of the molding concave die.
Further, the upper die mechanism includes the upper die holder set gradually from top to down, upper cushion block, upper clamp plate and takes off
Expect backboard, be respectively fixedly connected with the upper die holder and the upper clamp plate at the top and bottom of the upper cushion block, the upper clamp plate and
The up and down connection of stripper pad；The forming convax mould is fixedly connected with the upper clamp plate.
Further, the upper die mechanism further includes the first spring, and first spring is set to the upper clamp plate and institute
It states between stripper pad.
Further, the cylinder, reverse ejecting plate and stripper plate are respectively positioned on the bottom of the stripper pad, and the cylinder
Stretching direction be arranged towards the forming convax mould.
Further, the lower die mechanism includes the lower die holder, lower cushion block and lower template set gradually from below to up, institute
It states molding concave die to be set in the lower template, the lower roof plate is located at the lower section of the lower template, the outer mandril and described
Interior mandril is flexibly connected the lower template.
Further, the bottom of first guide post is fixedly connected with the stripper pad, described in free end is flexibly connected
Upper clamp plate；The upper clamp plate is fixedly connected at the top of second guide post, free end is flexibly connected the lower template.
Further, the buoyant block and the third guide post are located at the two sides of the forming convax mould, the third
Material blocking block is provided between guide post and the stripper plate, the top of the third guide post connects the material blocking block, and the third is led
The free end of column is flexibly connected the lower template.
Further, second spring is provided between the lower roof plate and the lower die holder.
Further, the second spring is nitrogen gas spring.
On the other hand, the present invention provides a kind of forming methods for preventing thin material product de- material deformation comprising following step
It is rapid: mold form when, the edge of tablet is fixed for buoyant block and stripper plate, upper die mechanism downlink, slowly drive tablet to
Lower movement, when in forming convax mould and molding concave die stripper plate compression continue to move downward, by interior mandril push lower roof plate to
Lower movement, until stripper plate is contacted with molding concave die completely, mold is in fully closed condition at this time；Cylinder operation at this time pushes away
Dynamic reverse ejecting plate movement, between outer mandril and stripper pad, the position of outer mandril is fixed at this time；When mold de- material, on
Mold mechanism and lower die mechanism separation, upper die mechanism uplink, forming convax mould moves upwards therewith, until separating with product；Gas at this time
Cylinder does reverse motions and reverse ejecting plate is driven to draw back to initial position, and outer mandril can then be moved upwards along stripper pad, lower roof plate, interior
Mandril and stripper plate move synchronously upwards, until upper and lower mold mechanism is in be kept completely separate state.
In a kind of molding die and forming method preventing thin material product de- material deformation provided by the present invention, mainly include
Upper die mechanism and lower die mechanism, wherein upper die mechanism includes forming convax mould, guidance set and de- material component, lower die mechanism packet
Molding concave die, buoyant block, interior de- plate and liftout component are included, forming convax mould and molding concave die are used for the punch forming of product, lead
It is used for the guiding of upper die mechanism and lower die mechanism to component, improves running precision, de- material component, interior de- plate, buoyant block and top
Expect that component collective effect carries out liftout and de- material to product；Specifically, de- material component includes cylinder, reverse ejecting plate and stripper plate,
Liftout component includes lower roof plate, outer mandril and interior mandril, de- material Shi Xianrang forming convax mould far from product, then allow product far from
Type cavity plate and Nei Tuo plate, control the sequencing of de- material, it is ensured that product will not deform phenomenon；Generally speaking, due to de- material
When, product will not be in contact with forming convax mould and molding concave die or interior de- plate, therefore the extruding force that both not will receive of product and
Deform phenomenon, to improve the quality of production of thin material product.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of molding die for preventing thin material product de- material deformation provided in an embodiment of the present invention
(discrete state)；
Fig. 2 is a kind of structural schematic diagram of molding die for preventing thin material product de- material deformation provided in an embodiment of the present invention
(moving downward state)；
Fig. 3 is a kind of structural schematic diagram of molding die for preventing thin material product de- material deformation provided in an embodiment of the present invention
(closed state)；
Fig. 4 is a kind of structural schematic diagram of molding die for preventing thin material product de- material deformation provided in an embodiment of the present invention
(cylinder ejector state)；
Fig. 5 is a kind of structural schematic diagram of molding die for preventing thin material product de- material deformation provided in an embodiment of the present invention
(moving upwards state).
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Embodiment one:
Referring to Fig. 1-5, shown in figure the offer of the embodiment of the present invention one it is a kind of prevent the deformation of thin material product de- material at
Pattern tool comprising upper die mechanism and lower die mechanism include forming convax mould 11, guidance set and de- material group in upper die mechanism
Part, de- material component include cylinder 121, reverse ejecting plate 122 and stripper plate 123, and stripper plate 123 is located at outside the two of forming convax mould 11
Side, cylinder 121 and reverse ejecting plate 122 are located therein the outside of a stripper plate 123, and lower die mechanism includes molding concave die 21, buoyant block
22, interior de- plate 23 and liftout component, liftout component include lower roof plate 241, outer mandril 242 and interior mandril 243, lower roof plate
The bottom of 241 up and down connection lower die mechanisms, outer mandril 242 and interior mandril 243 is all connected with lower roof plate 241, and lower roof plate 241
In the two sides of molding concave die 21, de- plate 23 in the top connection of interior mandril 243；Buoyant block 22, which floats up and down, connects lower die mechanism,
And it is connected with stripper plate 123.
A kind of molding die preventing the deformation of thin material product de- material provided by the present embodiment, mainly include upper die mechanism and
Lower die mechanism, wherein upper die mechanism includes forming convax mould 11, guidance set and de- material component, and lower die mechanism includes that molding is recessed
Mould 21, buoyant block 22, interior de- plate 23 and liftout component, forming convax mould 11 and molding concave die 21 are used for the punch forming of product,
Guidance set is used for the guiding of upper die mechanism and lower die mechanism, improves running precision, de- material component, interior de- plate 23, buoyant block 22
And liftout component collective effect carries out liftout and de- material to product；Specifically, de- material component includes cylinder 121, reverse ejecting plate 122
And stripper plate 123, liftout component include lower roof plate 241, outer mandril 242 and interior mandril 243, de- material Shi Xianrang forming convax mould
11 far from product 3, then allows product 3 far from molding concave die 21 and Nei Tuo plate 23, controls the sequencing of de- material, it is ensured that product 3 is not
Can deform phenomenon；When generally speaking, due to de- material, product 3 will not be with forming convax mould 11 and molding concave die 21 or interior de- plate
23 are in contact, therefore the extruding force that both not will receive of product 3 and the phenomenon that deforms, to improve the production matter of thin material product
Amount.
Embodiment two:
Referring to Fig. 1-5, shown in figure it is provided by Embodiment 2 of the present invention it is a kind of prevent the deformation of thin material product de- material at
Pattern tool, the present embodiment be also further made that on the basis of the above embodiments it is following as an improved technical scheme: on
Mold mechanism includes the upper die holder 14 set gradually from top to down, upper cushion block 15, upper clamp plate 16 and stripper pad 17, upper cushion block 15
Top and bottom be respectively fixedly connected with upper die holder 14 and upper clamp plate 15, upper clamp plate 15 and the up and down connection of stripper pad 17；
Forming convax mould 11 is fixedly connected with upper clamp plate 16；Cylinder 121, reverse ejecting plate 122 and stripper plate 123 are respectively positioned on the bottom of stripper pad 17
Portion, and the stretching direction of cylinder 121 is arranged towards forming convax mould 11.
By above-mentioned further improvement, so that the present embodiment also has the advantage that upper clamp plate compared to the prior art
16 and stripper pad 17 flexible connection, can drive stripper pad 17 carry out de- material；Meanwhile cylinder 121, reverse ejecting plate 122 with
And stripper plate 123 is set to the bottom of stripper pad 17, can control de- material sequence, facilitates de- material.
Embodiment three:
Referring to Fig. 1-5, shown in figure the offer of the embodiment of the present invention three it is a kind of prevent the deformation of thin material product de- material at
Pattern tool, the present embodiment be also further made that on the basis of the above embodiments it is following as an improved technical scheme: under
Mold mechanism includes the lower die holder 25, lower cushion block 26 and lower template 27 set gradually from below to up, and molding concave die 21 is set to down
In template 27, lower roof plate 241 is located at the lower section of lower template 27, and outer mandril 242 and interior mandril 243 are flexibly connected lower template 27.
In addition, interior mandril 243 is flexibly connected 21 bottom of molding concave die.
By above-mentioned further improvement, so that the present embodiment also has the advantage that molding is recessed compared to the prior art
Mould 21, interior de- plate 23, lower roof plate 241, interior mandril 243 and outer mandril 242 can move up and down along lower template 27.
Example IV:
Referring to Fig. 1-5, shown in figure the offer of the embodiment of the present invention four it is a kind of prevent the deformation of thin material product de- material at
Pattern tool, the present embodiment be also further made that on the basis of the above embodiments it is following as an improved technical scheme: lead
Include the first guide post 131 for being set to the outside of upper die mechanism two, the second guide post 132 to component and is set to outside molding concave die 21
The third guide post 133 of side；The bottom of first guide post 131 is fixedly connected with stripper pad 17, and free end is flexibly connected upper clamp plate 16；
The top of second guide post 132 is fixedly connected with upper clamp plate 16, and free end is flexibly connected lower template 27；Buoyant block 22 and third guide post
133 are located at the two sides of forming convax mould 11, and material blocking block 19, third guide post are provided between third guide post 133 and stripper plate 123
133 top connects material blocking block 19, and the free end of third guide post 133 is flexibly connected lower template 27.
By above-mentioned further improvement, so that the present embodiment also has the advantage that first leads compared to the prior art
Column 131, the second guide post 132 and third guide post 133 can be oriented to upper die mechanism and lower die mechanism, improve operation essence
Degree；Buoyant block 22, material blocking block 19 and stripper plate 123 fix the edge of product 3 jointly, prevent product 3 from falling off.
Embodiment five:
Referring to Fig. 1-5, shown in figure the offer of the embodiment of the present invention five it is a kind of prevent the deformation of thin material product de- material at
Pattern tool, the present embodiment be also further made that on the basis of the above embodiments it is following as an improved technical scheme: on
Mold mechanism further includes the first spring 18, and the first spring 18 is set between upper clamp plate 16 and stripper pad 17；Lower roof plate 241 is under
Second spring 28 is provided between die holder 25；Second spring 28 is nitrogen gas spring.
By above-mentioned further improvement, so that the present embodiment also has the advantage that upper mold machine compared to the prior art
When structure and lower die mechanism separate, the first spring 18 and second spring 28 are capable of providing reaction force, help upper clamp plate 16 and de- material
17 quick separating of backboard helps lower roof plate 241 and 25 quick separating of lower die holder.
The working principle of the invention is described below: when mold forms, referring to Fig.1, buoyant block 22 and stripper plate 23 are by tablet
Edge be fixed, referring to Fig. 2, upper die mechanism downlink slowly drives tablet to move downward, and when forming convax mould 11 and forms recessed
The interior de- compression of plate 23 in mould 21 continues to move downward, then lower roof plate 241 can be pushed to move downward by interior mandril 243, until
Interior de- plate 23 is contacted with molding concave die 21 completely, and mold is in fully closed condition at this time, referring to Fig. 3；121 work of cylinder at this time
Make, referring to Fig. 4, reverse ejecting plate 122 is pushed to move, between outer mandril 243 and stripper pad, the position of outer mandril is carried out at this time
It is fixed；Referring to Fig. 5, when mold de- material, upper die mechanism and lower die mechanism separation, upper die mechanism uplink, forming convax mould are upward therewith
Movement, until separating with product, due to the effect of reverse ejecting plate, the position of outer mandril is fixed, and lower roof plate and interior mandril will not do phase
To movement, therefore interior de- plate will not move upwards, until product is separated with interior de- plate completely；Cylinder does reverse motions drive at this time
Reverse ejecting plate is drawn back to initial position, and outer mandril can then be moved upwards along stripper pad, lower roof plate, interior mandril and interior de- plate to
On move synchronously, until upper and lower mold mechanism is in being kept completely separate state, referring to Fig.1；In the closing of entire mold and discrete state,
Buoyant block tightly withstands stripper plate and fixes product edge.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of molding die for preventing thin material product de- material deformation, which is characterized in that including upper die mechanism and lower die mechanism, institute
Stating upper die mechanism includes forming convax mould (11), guidance set and de- material component, and the de- material component includes cylinder (121), anti-
Top plate (122) and stripper plate (123), the stripper plate (123) are located at two outsides of the forming convax mould (11), the cylinder
(121) and the reverse ejecting plate (122) is located therein the outside of a stripper plate (123), the lower die mechanism include form it is recessed
Mould (21), buoyant block (22), interior de- plate (23) and liftout component, the liftout component include lower roof plate (241), outer mandril
(242) and interior mandril (243), the up and down connection lower die mechanism of the lower roof plate (241), the outer mandril (242)
It is all connected with the lower roof plate (241) with the bottom of the interior mandril (243), the lower roof plate (241) is located at the molding concave die
(21) top of two sides, the interior mandril (243) connects the interior de- plate (23)；The buoyant block (22) is floated up and down connection
The lower die mechanism, and connected with the stripper plate (123).
2. a kind of molding die for preventing thin material product de- material deformation according to claim 1, which is characterized in that described to lead
Include the first guide post (131) for being set to two outside of the upper die mechanism, the second guide post (132) to component and is set to described
Third guide post (133) on the outside of molding concave die (21).
3. a kind of molding die for preventing thin material product de- material deformation according to claim 2, which is characterized in that on described
Mold mechanism includes the upper die holder (14) set gradually from top to down, upper cushion block (15), upper clamp plate (16) and stripper pad (17),
The upper die holder (14) and the upper clamp plate (15), the upper folder are respectively fixedly connected at the top and bottom of the upper cushion block (15)
Plate (15) and the stripper pad (17) up and down connection；The forming convax mould (11) is fixedly connected with the upper clamp plate (16).
4. a kind of molding die for preventing thin material product de- material deformation according to claim 3, which is characterized in that on described
Mold mechanism further includes the first spring (18), and first spring (18) is set to the upper clamp plate (16) and the stripper pad
(17) between.
5. a kind of molding die for preventing thin material product de- material deformation according to claim 4, which is characterized in that the gas
Cylinder (121), reverse ejecting plate (122) and stripper plate (123) are respectively positioned on the bottom of the stripper pad (17), and the cylinder
(121) stretching direction is arranged towards the forming convax mould (11).
6. a kind of molding die for preventing thin material product de- material deformation according to claim 1 or 5, which is characterized in that institute
Stating lower die mechanism includes the lower die holder (25), lower cushion block (26) and lower template (27) set gradually from below to up, the molding
Cavity plate (21) is set on the lower template (27), and the lower roof plate (241) is located at the lower section of the lower template (27), described outer
Mandril (242) and the interior mandril (243) are flexibly connected the lower template (27).
7. a kind of molding die for preventing the deformation of thin material product de- material according to claim 6, which is characterized in that described the
The bottom of one guide post (131) is fixedly connected the stripper pad (17), and free end is flexibly connected the upper clamp plate (16)；It is described
It is fixedly connected at the top of second guide post (132) upper clamp plate (16), free end is flexibly connected the lower template (27).
8. a kind of molding die for preventing thin material product de- material deformation according to claim 7, which is characterized in that described floating
Material block (22) and the third guide post (133) are located at the two sides of the forming convax mould (11), the third guide post (133) and
It is provided with material blocking block (19) between the stripper plate (123), the top of the third guide post (133) connects the material blocking block
(19), the free end of the third guide post (133) is flexibly connected the lower template (27).
9. a kind of molding die for preventing thin material product de- material deformation according to claim 8, which is characterized in that under described
Second spring (28) are provided between top plate (241) and the lower die holder (25).
10. a kind of forming method for preventing thin material product de- material deformation, which comprises the following steps:
When mold forms, the edge of tablet is fixed for buoyant block (22) and stripper plate (23), upper die mechanism downlink, slowly brought
Dynamic tablet moves downward, and continues to move downward when the stripper plate (23) in forming convax mould (11) and molding concave die (21) compresses, lead to
Crossing interior mandril (243) pushes lower roof plate (241) to move downward, until stripper plate (23) are contacted with molding concave die (21) completely, this
When mold be in fully closed condition；Cylinder (121) works at this time, reverse ejecting plate (122) movement is pushed, into outer mandril (243)
Between stripper pad, the position of outer mandril (243) is fixed at this time；When mold de- material, upper die mechanism and lower die mechanism point
From upper die mechanism uplink, forming convax mould (11) moves upwards therewith, until separating with product；Cylinder (121) does opposite fortune at this time
Dynamic that reverse ejecting plate is driven to draw back to initial position, outer mandril (242) can then move upwards along stripper pad, lower roof plate (241), interior
Mandril (243) and stripper plate (23) move synchronously upwards, until upper and lower mold mechanism is in be kept completely separate state.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910598078.0A CN110238285A (en) | 2019-07-03 | 2019-07-03 | A kind of molding die and forming method preventing thin material product de- material deformation |
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| CN201910598078.0A CN110238285A (en) | 2019-07-03 | 2019-07-03 | A kind of molding die and forming method preventing thin material product de- material deformation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110918785A (en) * | 2019-11-14 | 2020-03-27 | 四川省菲娅医疗器械有限公司 | Bracket net bottom stamping die and bracket net bottom stamping method |
| CN111531039A (en) * | 2020-05-27 | 2020-08-14 | 万盛兴精密技术（惠州）有限公司 | Die for stretch forming and forming method thereof |
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