CN110496919A - A kind of profiling material-removing structure applied to U-shaped workpiece stretching die die sinking engineering - Google Patents
A kind of profiling material-removing structure applied to U-shaped workpiece stretching die die sinking engineering Download PDFInfo
- Publication number
- CN110496919A CN110496919A CN201910776024.9A CN201910776024A CN110496919A CN 110496919 A CN110496919 A CN 110496919A CN 201910776024 A CN201910776024 A CN 201910776024A CN 110496919 A CN110496919 A CN 110496919A
- Authority
- CN
- China
- Prior art keywords
- profiling
- die
- shaped workpiece
- removing structure
- structure applied
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000005452 bending Methods 0.000 claims abstract description 11
- 238000000465 moulding Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 235000013405 beer Nutrition 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005406 washing 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
-
- 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
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of profiling material-removing structures applied to U-shaped workpiece stretching die die sinking engineering, the two sides of the width direction of U-shaped workpiece have skirt, the profiling material-removing structure includes the profiling material removing mechanism being installed in lower die mechanism, profiling material removing mechanism includes upper top driving portion and profiling de- material block, under profiling de- material block original state in preset space in the punch-pin of lower die mechanism, the driving axis connection profiling de- material block of upper top driving portion, drive shaft is V-arrangement bending structure, upper top driving portion drives profiling de- material block uplink and ejects U-shaped workpiece to the direction for the punch-pin for being offset from upper die mechanism in die sinking.The present invention can efficiently solve the problem of jacking block damages skirt when assisting de- material compared to the prior art, and then promote the yields of product.
Description
Technical field
The present invention relates to punch-forming mold fields, are applied to U-shaped workpiece stretching die in particular to one kind and are opened work
The profiling material-removing structure of journey.
Background technique
The two sides of workpiece shapes as shown in Figure 1, the width direction of the U-shaped workpiece 3 have skirt 31.In die sinking process
In, three engineerings are broadly divided into, are the progressive die, stretching die and piercing die respectively；Among these, main difficult point is the second engineering
De- material problem under stretching die die opening state.The second step is to stretch, and mold punch-die under closed mode state, which is combined, to be made to produce
Product mold required pattern.Product has state outcome when opening after mold molding: the first product card is in female die block；
For second product card on convex module, both states can all influence the production of mold.
It is all to be solved by the way that de- material auxiliary lift block is arranged in punch-pin or cavity plate in traditional technology, but due to this
The structure of U-shaped workpiece 3 is more special, and the skirt 31 of width direction two sides can encase the side of punch-pin or cavity plate, causes to glue
Phenomenon is expected, if depending merely on the ejecting force of vertical direction, it is easy to because undue force causes the problem of splitting of the skirt 31, cause
Product is scrapped.
Summary of the invention
In consideration of it, the present invention provides a kind of profiling material-removing structure applied to U-shaped workpiece stretching die die sinking engineering, it can be with
The problem of jacking block damages skirt when assisting de- material is efficiently solved, and then promotes the yields of product.
For this purpose, the present invention provides a kind of profiling material-removing structure applied to U-shaped workpiece stretching die die sinking engineering, U-shaped work
The two sides of the width direction of part have skirt, which includes the profiling material removing mechanism being installed in lower die mechanism,
Profiling material removing mechanism includes upper top driving portion and profiling de- material block, and the punch-pin of lower die mechanism is located under profiling de- material block original state
In interior preset space, the driving axis connection profiling de- material block of upper top driving portion, drive shaft is V-arrangement bending structure, upper top driving
Portion drives profiling de- material block uplink and ejects U-shaped workpiece to the direction for the punch-pin for being offset from upper die mechanism in die sinking.
Further, the bending angle of above-mentioned drive shaft is 171-178 °.
Further, under molding state, there are the gaps of 3-4mm between the top surface and punch-pin of profiling de- material block.
Further, above-mentioned upper top driving portion is driving cylinder.
Further, enterprising air cavity and lower inlet chamber are provided in the cylinder body of above-mentioned driving cylinder.
Further, when mold die closing, control valve controls lower inlet chamber air inlet, and enterprising air cavity is deflated at this time, drive shaft
Profiling de- material block is driven to withdraw；When mold is opened, control valve controls lower inlet chamber and deflates, and enterprising air cavity air inlet at this time, driving
Bar drives profiling de- material block to stretch out and eject U-shaped workpiece.
Further, it is connected between above-mentioned enterprising air cavity and lower inlet chamber by the through-hole of an at least 2-3mm diameter.
Further, above-mentioned upper top driving portion is installed in a float plate, and float plate is slideably covered along vertical direction
Bottom loaded on the lower template for being fixedly connected on lower die mechanism on multiple rubber axis, at the top of rubber axis.
A kind of profiling material-removing structure applied to U-shaped workpiece stretching die die sinking engineering provided by the present invention, master therein
It improves and is that the drive shaft by upper top driving portion is set as V-arrangement bending structure, so that upper top driving portion drives profiling de- material block
Uplink simultaneously ejects U-shaped workpiece to the direction for the punch-pin for being offset from upper die mechanism in die sinking, can thus efficiently solve U
The sizing problem of the skirt of shape tool；
Specifically, since profiling de- material block is ejected U-shaped workpiece to the angle for being offset from vertical direction, angle is ejected certainly
Degree is controlled, thus the bending angle of drive shaft is necessarily arranged to 171-178 °, otherwise may be bad by workpiece top, by
Ejected with being shifted by U-shaped workpiece, thus skirt by slanting ejecting force can the de- material from punch-pin more labor-savingly, and it is unlikely
In damaging skirt because dynamics is excessive, the same similar to beer bottle cap is opened, oblique broken more can effortlessly open bottle cap.
Thus, the present invention can efficiently solve the jacking block when assisting de- material compared to the prior art and damage asking for skirt
Topic, and then promote the yields of 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 profiling material-removing structure that engineering is opened applied to U-shaped workpiece stretching die provided in an embodiment of the present invention
Involved in U-shaped workpiece structural schematic diagram；
Fig. 2 is a kind of profiling material-removing structure that engineering is opened applied to U-shaped workpiece stretching die provided in an embodiment of the present invention
Structural schematic diagram under front viewing angle；
Fig. 3 is a kind of profiling material-removing structure that engineering is opened applied to U-shaped workpiece stretching die provided in an embodiment of the present invention
The connection schematic diagram of middle drive shaft and profiling de- material block；
Fig. 4 is a kind of profiling material-removing structure that engineering is opened applied to U-shaped workpiece stretching die provided in an embodiment of the present invention
Structural schematic diagram under side view angle.
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 to Fig. 4, one kind that the offer of the embodiment of the present invention one is shown in figure is applied to U-shaped workpiece stretching die and opens
The profiling material-removing structure of die worker's journey, the two sides of the width direction of U-shaped workpiece 3 have skirt 31, which includes peace
Loaded on the profiling material removing mechanism 2 in lower die mechanism 1, profiling material removing mechanism 2 includes upper top driving portion 22 and profiling de- material block 23, on
Pushing up driving portion 22 is driving cylinder, and preset space in the punch-pin 11 of lower die mechanism 1 is located under 23 original state of profiling de- material block
In, the drive shaft 225 of upper top driving portion 22 connects profiling de- material block 23, and drive shaft 225 is V-arrangement bending structure, upper top driving portion
22 driving 23 uplinks of profiling de- material block simultaneously push up U-shaped workpiece 3 to the direction for the punch-pin 41 for being offset from upper die mechanism 4 in die sinking
Out；Wherein, specifically, the bending angle of drive shaft 225 is between 171-178 °.
A kind of profiling material-removing structure applied to U-shaped workpiece stretching die die sinking engineering, therein provided by the present embodiment
Main improve is that the drive shaft by upper top driving portion is set as V-arrangement bending structure, so that upper top driving portion drives profiling de- material
Block uplink simultaneously ejects U-shaped workpiece to the direction for the punch-pin for being offset from upper die mechanism in die sinking, thus can effectively solve
The certainly sizing problem of the skirt of U-shaped tool；
Specifically, since profiling de- material block is ejected U-shaped workpiece to the angle for being offset from vertical direction, angle is ejected certainly
Degree is controlled, thus the bending angle of drive shaft is necessarily arranged to 171-178 °, otherwise may be bad by workpiece top, by
Ejected with being shifted by U-shaped workpiece, thus skirt by slanting ejecting force can the de- material from punch-pin more labor-savingly, and it is unlikely
In damaging skirt because dynamics is excessive, the same similar to beer bottle cap is opened, oblique broken more can effortlessly open bottle cap.
Thus, the present embodiment can efficiently solve the jacking block when assisting de- material compared to the prior art and damage asking for skirt
Topic, and then promote the yields of product.
Embodiment two:
Referring to Fig. 1 to Fig. 4, a kind of U-shaped workpiece stretching die that is applied to provided by Embodiment 2 of the present invention is shown in figure and is opened
The profiling material-removing structure of die worker's journey, the present embodiment are also further made that following as improvement on the basis of the above embodiments
Technical solution: under molding state, there are the gaps of 3-4mm between the top surface and punch-pin 41 of profiling de- material block 23, by setting
The gap is set, profiling de- material block one section can be retracted after molding, prevent formed punch from washing out profiling de- material block.
Embodiment three:
Referring to Fig. 1 to Fig. 4, one kind that the offer of the embodiment of the present invention three is shown in figure is applied to U-shaped workpiece stretching die and opens
The profiling material-removing structure of die worker's journey, the present embodiment are also further made that following as improvement on the basis of the above embodiments
Technical solution: drive and be provided with enterprising air cavity 222 and lower inlet chamber 223 in the cylinder body 221 of cylinder；When mold die closing, control
Valve controls lower 223 air inlet of inlet chamber, and enterprising air cavity 222 is deflated at this time, and drive shaft 225 drives profiling de- material block 23 to withdraw；Mould
When tool die sinking, control valve controls lower inlet chamber 223 and deflates, and enterprising 222 air inlet of air cavity at this time, drive rod drive profiling de- material block
23 stretch out and eject U-shaped workpiece 3.By the setting of above structure, when drive shaft is withdrawn, lower inlet chamber air inlet can make whole
A cylinder bottom is more firm, provides firm support for molding punching press；When drive shaft is stretched out, lower inlet chamber is deflated, and can be released
The weight of bottom is put, so that the activity of drive shaft is more smoothly.
Meanwhile being connected between enterprising air cavity 222 and lower inlet chamber 223 by the through-hole 224 of a 2-3mm diameter, it can be right
Balance above and below cylinder is adjusted, and prevents disengaging gas from unstable phenomenon occur.
Example IV:
Referring to Fig. 1 to Fig. 4, one kind that the offer of the embodiment of the present invention four is shown in figure is applied to U-shaped workpiece stretching die and opens
The profiling material-removing structure of die worker's journey, the present embodiment are also further made that following as improvement on the basis of the above embodiments
Technical solution: above push up driving portion 22 be installed in a float plate 12, float plate 12 is slideably set in along vertical direction
On multiple rubber axis 13, the top of rubber axis 13 is fixedly connected on the bottom of the lower template 14 of lower die mechanism 1.Pass through above structure
Setting prevent when molding that impact force is excessive to cause top to drive to effective buffering of upper top driving portion when can form punching press
The damage in portion.
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 (8)
1. a kind of profiling material-removing structure applied to U-shaped workpiece stretching die die sinking engineering, the width direction of the U-shaped workpiece (3)
Two sides there are skirt (31), which is characterized in that it is described imitative including the profiling material removing mechanism (2) being installed on lower die mechanism (1)
Shape material removing mechanism (2) includes upper top driving portion (22) and profiling de- material block (23), under profiling de- material block (23) original state
In preset space in the punch-pin (11) of the lower die mechanism (1), the drive shaft (225) of upper top driving portion (22) is even
The profiling de- material block (23) is connect, the drive shaft (225) is V-arrangement bending structure, described in upper top driving portion (22) driving
Profiling de- material block (23) uplink simultaneously pushes up U-shaped workpiece (3) to the direction for the punch-pin (41) for being offset from upper die mechanism (4) in die sinking
Out.
2. a kind of profiling material-removing structure applied to U-shaped workpiece stretching die die sinking engineering according to claim 1, feature
It is, the bending angle of the drive shaft (225) is 171-178 °.
3. a kind of profiling material-removing structure applied to U-shaped workpiece stretching die die sinking engineering according to claim 1, feature
It is, under molding state, there are the gaps of 3-4mm between the top surface and the punch-pin (41) of the profiling de- material block (23).
4. a kind of profiling material-removing structure applied to U-shaped workpiece stretching die die sinking engineering according to claim 1, feature
It is, the upper top driving portion (22) is driving cylinder.
5. a kind of profiling material-removing structure applied to U-shaped workpiece stretching die die sinking engineering according to claim 4, feature
It is, is provided with enterprising air cavity (222) and lower inlet chamber (223) in the cylinder body (221) of the driving cylinder.
6. a kind of profiling material-removing structure applied to U-shaped workpiece stretching die die sinking engineering according to claim 5, feature
It is, when mold die closing, control valve controls lower inlet chamber (223) air inlet, and the enterprising air cavity (222) described at this time is deflated,
The drive shaft (225) drives the profiling de- material block (23) to withdraw；When mold is opened, control valve controls the lower inlet chamber
(223) it deflates, and enterprising air cavity (222) air inlet described at this time, the drive rod drive the profiling de- material block (23) to stretch out simultaneously
Eject the U-shaped workpiece (3).
7. a kind of profiling material-removing structure applied to U-shaped workpiece stretching die die sinking engineering according to claim 5 or 6,
It is characterized in that, passes through the through-hole of an at least 2-3mm diameter between the enterprising air cavity (222) and the lower inlet chamber (223)
(224) it is connected to.
8. -6 any a kind of profiling material-removing structure applied to U-shaped workpiece stretching die die sinking engineering according to claim 1,
It is characterized in that, the upper top driving portion (22) is installed on a float plate (12), the float plate (12) is along vertical direction
It is slideably set on multiple rubber axis (13), is fixedly connected on the lower die mechanism (1) at the top of the rubber axis (13)
Lower template (14) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910776024.9A CN110496919B (en) | 2019-08-21 | 2019-08-21 | Profiling stripping structure applied to U-shaped workpiece stretching die opening engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910776024.9A CN110496919B (en) | 2019-08-21 | 2019-08-21 | Profiling stripping structure applied to U-shaped workpiece stretching die opening engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110496919A true CN110496919A (en) | 2019-11-26 |
| CN110496919B CN110496919B (en) | 2024-06-25 |
Family
ID=68588858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910776024.9A Active CN110496919B (en) | 2019-08-21 | 2019-08-21 | Profiling stripping structure applied to U-shaped workpiece stretching die opening engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110496919B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111745023A (en) * | 2020-07-18 | 2020-10-09 | 陈伯坚 | Precision mold for automobile parts |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001113323A (en) * | 1999-08-11 | 2001-04-24 | Komatsu Ltd | Forming method for punch press and device therefor |
| WO2009048096A1 (en) * | 2007-10-12 | 2009-04-16 | Mitsui High-Tec, Inc. | Molding apparatus |
| DE102010041891A1 (en) * | 2009-10-02 | 2011-04-07 | Toyota Boshoku Kabushiki Kaisha, Kariya-shi | Apparatus and method for manufacturing a workpiece |
| CN104289592A (en) * | 2014-09-29 | 2015-01-21 | 佛山市康思达液压机械有限公司 | Aluminum alloy drawing and extruding compound technology |
| CN104289591A (en) * | 2014-09-29 | 2015-01-21 | 佛山市康思达液压机械有限公司 | Hydraulic device for aluminum alloy drawing and extrusion compound forming |
| CN206733922U (en) * | 2017-05-11 | 2017-12-12 | 苏州神本精密机械有限公司 | A kind of metal tube knurling mould |
| CN109482737A (en) * | 2018-11-30 | 2019-03-19 | 宁波凯荣船用机械有限公司 | Film-type liquefied natural gas cargo tank maintenance system stainless steel wave card nut cap makes tooling and manufacture craft |
| CN109676015A (en) * | 2018-12-20 | 2019-04-26 | 苏州冬宝光电科技有限公司 | A kind of display back plate stamping die with auxiliary liftout function |
| CN210996170U (en) * | 2019-08-21 | 2020-07-14 | 亿和精密工业（苏州）有限公司 | Profiling stripping structure applied to U-shaped workpiece stretching die opening project |
-
2019
- 2019-08-21 CN CN201910776024.9A patent/CN110496919B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001113323A (en) * | 1999-08-11 | 2001-04-24 | Komatsu Ltd | Forming method for punch press and device therefor |
| WO2009048096A1 (en) * | 2007-10-12 | 2009-04-16 | Mitsui High-Tec, Inc. | Molding apparatus |
| DE102010041891A1 (en) * | 2009-10-02 | 2011-04-07 | Toyota Boshoku Kabushiki Kaisha, Kariya-shi | Apparatus and method for manufacturing a workpiece |
| CN104289592A (en) * | 2014-09-29 | 2015-01-21 | 佛山市康思达液压机械有限公司 | Aluminum alloy drawing and extruding compound technology |
| CN104289591A (en) * | 2014-09-29 | 2015-01-21 | 佛山市康思达液压机械有限公司 | Hydraulic device for aluminum alloy drawing and extrusion compound forming |
| CN206733922U (en) * | 2017-05-11 | 2017-12-12 | 苏州神本精密机械有限公司 | A kind of metal tube knurling mould |
| CN109482737A (en) * | 2018-11-30 | 2019-03-19 | 宁波凯荣船用机械有限公司 | Film-type liquefied natural gas cargo tank maintenance system stainless steel wave card nut cap makes tooling and manufacture craft |
| CN109676015A (en) * | 2018-12-20 | 2019-04-26 | 苏州冬宝光电科技有限公司 | A kind of display back plate stamping die with auxiliary liftout function |
| CN210996170U (en) * | 2019-08-21 | 2020-07-14 | 亿和精密工业（苏州）有限公司 | Profiling stripping structure applied to U-shaped workpiece stretching die opening project |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111745023A (en) * | 2020-07-18 | 2020-10-09 | 陈伯坚 | Precision mold for automobile parts |
| CN111745023B (en) * | 2020-07-18 | 2021-12-17 | 浙江双展精密机械股份有限公司 | Precision mold for automobile parts |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110496919B (en) | 2024-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201346595Y (en) | Composite cold-punching mould | |
| CN206810972U (en) | Car panel die buoyant device | |
| CN103949546A (en) | Composite die applied to blanking molding of V-shaped axle case body insert of automobile drive axle | |
| CN110496919A (en) | A kind of profiling material-removing structure applied to U-shaped workpiece stretching die die sinking engineering | |
| CN205395014U (en) | High -efficient compact injection mold | |
| CN110814173A (en) | Side wall drawing die with differential stroke material pressing ring | |
| CN210996170U (en) | Profiling stripping structure applied to U-shaped workpiece stretching die opening project | |
| CN106734605B (en) | Drawing die | |
| CN219425483U (en) | Novel time delay ejection device | |
| CN111229972A (en) | Steel drum edge-pulling rib expanding machine | |
| CN202781804U (en) | Thermoforming die | |
| CN208960885U (en) | Piston Rods Die | |
| CN105479692A (en) | Step-by-step oblique ejection structure | |
| CN216397715U (en) | High-pressure liquid-filling forming die in torsion beam | |
| CN106584596B (en) | A kind of automobile middle control IMF diaphragm blanking die | |
| CN205763386U (en) | A kind of this forming die of automobile drive axle housing | |
| CN108858910A (en) | A kind of production method of automobile shock air bag | |
| CN209550369U (en) | A kind of stamping die applied to display backplane | |
| CN206153429U (en) | Movable bullet is top mounted to be put | |
| CN203221654U (en) | Thermal forming die with reversely-buckled container | |
| CN214161199U (en) | Ejection device of automobile stamping die | |
| CN218928525U (en) | Large inclined ejection demoulding mechanism of large-sized automobile door plate injection mould | |
| CN214645802U (en) | Die cavity structure applied to bidirectional stretching hollow blow molding die | |
| CN211839915U (en) | Steel drum edge-pulling rib expanding machine | |
| CN219820364U (en) | Improved secondary ejection piece |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |