CN106001241A - Stamping equipment - Google Patents
Stamping equipment Download PDFInfo
- Publication number
- CN106001241A CN106001241A CN201610627568.5A CN201610627568A CN106001241A CN 106001241 A CN106001241 A CN 106001241A CN 201610627568 A CN201610627568 A CN 201610627568A CN 106001241 A CN106001241 A CN 106001241A
- Authority
- CN
- China
- Prior art keywords
- punch
- cylinder
- fixed seat
- die
- dropping hole
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims description 25
- 238000003825 pressing Methods 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000003754 machining Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 2
- 238000004080 punching Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000012797 qualification Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
-
- B08B1/12—
-
- B08B1/165—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
Abstract
The invention provides stamping equipment. The stamping equipment is simple in structure and reasonable in design, and can be used for machining different sizes of products; the purchasing of a large number of molds can be avoided, the unnecessary investment is reduced, the production cost is reduced, and the problem that the traditional mold is single in function and inconvenient to use is solved; the stamping equipment is also provided with a cleaning mechanism, so that the cleaning automation is realized, the manual cleaning is replaced, the labor intensity is reduced, the product yield is ensured, the equipment downtime is shortened, and the production efficiency is improved.
Description
Technical field
The invention belongs to stamping parts technical field of processing equipment, especially relates to a kind of pressing equipment.
Background technology
Along with the development of society, people's daily use product gets more and more, and for these daily products
For product, major part is machining product, has plenty of punch process and form in machining product, punching
Be unableing to do without diel in the production process of die pressing product, in the prior art, general a kind of diel is only
Can the product of a kind of model of punching press, for the different stamping products of some identical size of simple shape then
Needing multiple mould to be processed, substantial amounts of diel not only increases purchase cost, and more die change
Tool is lost time, thus adds production cost.
A small amount of rush bits additionally, can produce during mould is die-cut, rush bits and can be bonded on mould, especially
It is in the materials process of die-cut aluminum or aluminum alloy one class, owing to the temperature at die point is the highest, and aluminum
The rushing bits and can stick on mould of matter product, thus it is the most damaged to cause following converted products can produce burr,
Reducing the qualification rate of product, have impact on the quality of production of product, at present, the cleaning mode of mould is usual
Being by manually cleaning diel, artificial cleaning wastes time and energy, plant maintenance overlong time, thus leads
Cause production efficiency reduces.
Summary of the invention
In view of this, the invention is directed to a kind of pressing equipment, so that diel multifunction,
Production cost can be reduced, moreover it is possible to cleaning mold in time, it is ensured that product with the product of punching press different model
Qualification rate, improves production efficiency.
For reaching above-mentioned purpose, the technical scheme of the invention is achieved in that
A kind of pressing equipment, including:
Stamping die mechanism and wiper mechanism, described stamping die mechanism includes upper fixed seat, described solid
The first punch, the position that described first punch is corresponding with on upper fixed seat it is connected with in the middle part of reservation lower surface
Place has regulating tank, and two regulating tank connections, is provided with the second punch in the regulating tank of the first punch,
Being provided with slide rail between described second punch and the first punch, described second punch can glide on slide rail
Dynamic；
Lower fixed seat, described lower fixed seat upper surface middle part is connected with die, described die and lower fixed seat
Corresponding position has the material-dropping hole that the external diameter size with the first punch matches, and two fall
The connection of material hole, on die, the both sides of material-dropping hole have the first groove connected with material-dropping hole, lower fixing
On seat the both sides of material-dropping hole have with material-dropping hole connection and connect with the first corresponding groove the
Two grooves；
The upper surface both sides of described lower fixed seat have been respectively and fixedly connected with cylinder, described die both sides have with
The guiding elongated slot of the first groove connection, the piston rod of described cylinder is each passed through corresponding guiding elongated slot
And it being connected to regulating part, each regulating part can be at the groove connected up and down under the driving of respective cylinder
In and the material-dropping hole connected up and down between movable, when the piston rod of cylinder stretches out, shape between two regulating parts
The material-dropping hole size become matches with the external diameter size of the second punch.
Further, it is provided with one in the regulating tank of upper fixed seat and can control what the second punch slided up and down
Hydraulic cylinder.
Further, fixed seat lower surface is connected with multiple locating dowel, the upper table of described die
Face is provided with multiple location hole corresponding with locating dowel.
Further, described lower fixed seat is connected with multiple lead, fixed seat is connected with
Multiple fairleads, each fairlead is respectively fitted on lead corresponding thereto, and upper fixed seat is relative
Can be up and down in lead.
Further, described wiper mechanism includes that support, described support include U-shaped frame, the U of U-shaped frame
Font opening both sides upper surface is respectively and fixedly connected with the first guide rail being parallel to each other, on each first guide rail respectively
It is provided with the first slide block, between two the first slide blocks of U-shaped frame, is connected with connecting rod；
The middle part of described connecting rod is connected with contiguous block, and described contiguous block upper surface is connected with piston rod upward
The first cylinder, the outfan of described first cylinder is connected with cleaner；
The upper surface of described support is connected with the second cylinder, and the piston rod of described second cylinder is respectively with relative
The contiguous block answered is affixed；
The lower surface of described U-shaped frame is connected with ash can, the opening of ash can and the U-shaped of U-shaped frame
Opening is corresponding.
Further, also include that support, described support side are connected with the second guide rail, described second guide rail
Being provided with the second slide block, described second slide block connects a connector, the other end of described connector with
Frame is affixed, and the one side of described second slide block connects has the 3rd cylinder, described 3rd cylinder to be fixed in support
On.
Further, described cleaner is long scraper or long hairbrush, and the axial direction of cleaner and first
The axis of cylinder piston rod is vertical.
Further, the opening of described ash can is more than the outside dimension of the first punch.
Relative to prior art, a kind of pressing equipment described in the invention has the advantage that
Pressing equipment simple in construction of the present invention, reasonable in design, and can process various sizes of
Product, it is to avoid buy a large amount of mould, decreases unnecessary investment, reduces production cost, also solve
Traditional moulds function singleness, awkward problem；
Also with cleaning mechanism, it is achieved cleaning automatization, instead of artificial cleaning, reduce hand labor
Intensity, it is ensured that the qualification rate of product, shortens the time of equipment downtime, improves production efficiency.
Accompanying drawing explanation
The accompanying drawing of the part constituting the invention is used for providing being further appreciated by the invention,
The schematic description and description of the invention is used for explaining the invention, is not intended that this
The improper restriction of bright creation.In the accompanying drawings:
Fig. 1 is the overall structure schematic diagram described in the invention embodiment；
Fig. 2 is the punching die structure schematic diagram described in the invention embodiment；
Fig. 3 is the wiper mechanism structural representation described in the invention embodiment；
Fig. 4 is the top view of Fig. 3.
Description of reference numerals:
1-lower fixed seat；101-the second groove；2-die；201-the first groove；202-positions hole；203-
Guide elongated slot；3-cylinder；4-regulating part；5-upper fixed seat；6-regulating tank；7-hydraulic cylinder；8-second
Punch；9-the first punch；10-slide rail；11-locating dowel；12-fairlead；13-lead；14-falls
Material hole；15-cleaning mechanism；151-support；152-the first guide rail；153-the first slide block；154-first
Cylinder；155-cleaner；156-the second cylinder；157-ash can；158-connecting rod；159-contiguous block；
1510-U type frame；1511-connector；1512-the second slide block；1513-the second guide rail；1514-the 3rd gas
Cylinder；16-support.
Detailed description of the invention
It should be noted that in the case of not conflicting, in embodiment in the invention and embodiment
Feature can be mutually combined.
In the description of the invention, it is to be understood that term " " center ", " longitudinally ", " horizontal stroke
To ", " on ", D score, "front", "rear", "left", "right", " vertically ", " water
Flat ", the orientation that indicates of " top ", " end ", " interior ", " outward " etc. or position relationship be based on attached
Orientation shown in figure or position relationship, be for only for ease of description the invention and simplify description, and not
Be instruction or the hint device of indication or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that restriction to the invention.Additionally, term " first ", " second "
Etc. being only used for describing purpose, and it is not intended that instruction or hint relative importance or implicit indicate indication
The quantity of the technical characteristic shown.Thus, the feature defining " first ", " second " etc. can be expressed
Or implicitly include one or more this feature.In the description of the invention, unless otherwise
Illustrating, " multiple " are meant that two or more.
In the description of the invention, it should be noted that unless otherwise clearly defined and limited,
Term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing,
Can also be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；
Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the company of two element internals
Logical.For the ordinary skill in the art, can understand that above-mentioned term is at this by concrete condition
Concrete meaning in innovation and creation.
Describe the invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in Figure 1-2, a kind of pressing equipment, including:
Stamping die mechanism and wiper mechanism 15, described stamping die mechanism includes upper fixed seat 5, described
The first punch 9 it is connected with, on described first punch 9 and upper fixed seat 5 in the middle part of upper fixed seat 5 lower surface
Corresponding position has regulating tank 6, and two regulating tanks 6 connect, the tune of the first punch 9
It is provided with the second punch 8 in joint groove 6, between described second punch 8 and the first punch 9, is provided with slide rail 10,
Described second punch 8 can slide up and down along slide rail 10, is provided with in the regulating tank 6 of upper fixed seat 5
One can control the hydraulic cylinder 7 that the second punch 8 slides up and down；
Lower fixed seat 1, described lower fixed seat 1 upper surface middle part is connected with die 2, described die 2 He
The corresponding position of lower fixed seat 1 has the blanking that the external diameter size with the first punch 9 matches
Hole 14, and two material-dropping holes 14 connect, on die 2, the both sides of material-dropping hole 14 have and material-dropping hole
First groove 201 of 14 connections, on lower fixed seat 1, the both sides of material-dropping hole 14 have and material-dropping hole
14 connections and the second groove 101 with the first corresponding groove 201 connection；
The upper surface both sides of described lower fixed seat 1 have been respectively and fixedly connected with cylinder 3, and described die 2 both sides are respectively
Have the guiding elongated slot 203 connected with the first groove 201, the piston rod of described cylinder 3 be each passed through with
The guiding elongated slot 203 of its correspondence and be connected to regulating part 4, each regulating part 4 is at respective cylinder 3
Drive between the lower material-dropping hole 14 that can connect in the groove connected up and down and up and down movable, cylinder 3
Piston rod when stretching out, material-dropping hole 14 size formed between two regulating parts 4 and the second punch 8
External diameter size matches；It is connected with multiple locating dowel 11, described die on fixed seat 5 lower surface
The upper surface of 2 is provided with multiple location hole 202 corresponding with locating dowel 11；On described lower fixed seat 1
It is connected with multiple lead 13, fixed seat 5 is connected with multiple fairlead 12, each guiding
Set 12 is respectively fitted on lead 13 corresponding thereto, and upper fixed seat 5 is relative to lead 13
Can be up and down.
As shown in Figure 3 and Figure 4, described wiper mechanism 15 includes that support 151, described support 151 include
U-shaped frame 1510, the U-shaped opening both sides upper surface of U-shaped frame 1510 is respectively and fixedly connected with and is parallel to each other
First guide rail 152, each first guide rail 152 is respectively equipped with the first slide block 153, U-shaped frame 1510
It is connected with connecting rod 158 between two the first slide blocks 153；
The middle part of described connecting rod 158 is connected with contiguous block 159, and described contiguous block 159 upper surface is affixed
Having piston rod the first cylinder 154 upward, the outfan of described first cylinder 154 is connected with cleaner 155,
Described cleaner 155 is long scraper or long hairbrush, and the axial direction of cleaner 155 and the first cylinder 154
The axis of piston rod is vertical；
The upper surface of described support 151 is connected with the second cylinder 156, the piston of described second cylinder 156
Bar is affixed with corresponding contiguous block 159 respectively；
The lower surface of described U-shaped frame 1510 is connected with ash can 157, the opening of ash can 157 and U
The U-shaped opening of type frame 1510 is corresponding, and the opening of described ash can 157 is more than the first punch 9
Outside dimension.
As it is shown in figure 1, also include support 16, described support 16 side is connected with the second guide rail 1513,
Described second guide rail 1513 is provided with the second slide block 1512, and described second slide block 1512 connects connection
Part 1511, the other end of described connector 1511 is affixed with support 151, described second slide block 1512
One side connect have the 3rd cylinder 1514, described 3rd cylinder 1514 to be fixed on support 16.
The work process of the present embodiment: when using this diel converted products, the first punch 9 is nested with
Having the second punch 8, the second punch 8 is extended relative to the first punch 9 or retracts, the first punch 9
Identical with the shape of the second punch 8, size is different, and lower fixed seat 1 is provided with the die of dimension adjustable
2, two cylinders 3 drive corresponding regulating part 4 respectively, and two regulating parts 4 are close, two regulating parts 4
Between the outside dimension of distance and the second punch 8 match, when needs processing large scale parts,
Two regulating parts 4 return in corresponding groove respectively, and the size between two regulating parts 4 is convex with first
The outside dimension of mould 9 matches, and this device realizes upper and lower mould except being provided with lead 13 and fairlead 12
Outside the location of tool, it is additionally provided with the locating dowel 11 matched and hole 202, location so that equipment is at processing workpiece
Time machining accuracy higher；
Additionally, diel is in punching course, in diel, the bonding chip of meeting, many at pressing equipment
After task, need chip bonding on punch is cleared up, reserve certain between punch and die 2
Space be available for cleaning mechanism 15 and be cleaned, the cylinder rod of the 3rd cylinder 1514 stretches out driving arm 151
Moving between punch and die 2, the piston rod of the second cylinder 156 stretches out the contiguous block that will connect respectively
159 are pushed to the punch side away from the second cylinder 156, and the piston rod of the first cylinder 154 stretches out, and pushes away
Sending cleaner 155 to contact with the lower surface of punch, then the piston rod of the second cylinder 156 is retracted, and pulls
Cleaner 155 moves and is scraped by chip bonding on punch, and chip can be fallen in corresponding ash can 157,
After cleaning, the piston rod of the 3rd cylinder 1514 is retracted and is driven support 151 to exit punch and die 2
Between tool.
The foregoing is only the preferred embodiment of the invention, not in order to limit the invention,
Within all spirit in the invention and principle, any modification, equivalent substitution and improvement etc. made,
Within should be included in the protection domain of the invention.
Claims (8)
1. a pressing equipment, it is characterised in that including:
Stamping die mechanism and wiper mechanism (15), described stamping die mechanism includes upper fixed seat (5),
The first punch (9), described first punch (9) it is connected with in the middle part of fixed seat (5) lower surface
Corresponding position upper with upper fixed seat (5) has regulating tank (6), and two regulating tanks (6)
Connection, is provided with the second punch (8), described second punch in the regulating tank (6) of the first punch (9)
(8) and being provided with slide rail (10) between the first punch (9), described second punch (8) can be along
Slide rail (10) slides up and down；
Lower fixed seat (1), described lower fixed seat (1) upper surface middle part is connected with die (2), institute
State die (2) and the corresponding position of lower fixed seat (1) has and the first punch (9)
The material-dropping hole (14) that external diameter size matches, and two material-dropping hole (14) connections, on die (2)
The both sides of material-dropping hole (14) have the first groove (201) connected with material-dropping hole (14), under
The both sides of the upper material-dropping hole (14) of fixing seat (1) have and connect and with relative with material-dropping hole (14)
The second groove (101) that the first groove (201) answered connects；
The upper surface both sides of described lower fixed seat (1) have been respectively and fixedly connected with cylinder (3), described die (2)
Both sides have the guiding elongated slot (203) connected with the first groove (201), described cylinder (3)
Piston rod be each passed through corresponding guiding elongated slot (203) and be connected to regulating part (4),
Each regulating part (4) can connect under the driving of respective cylinder (3) in the groove connected up and down and up and down
Activity between logical material-dropping hole (14), when the piston rod of cylinder (3) stretches out, two regulating parts (4)
Between the external diameter size of material-dropping hole (14) size and the second punch (8) that formed match.
A kind of pressing equipment the most according to claim 1, it is characterised in that: upper fixed seat (5)
Regulating tank (6) in be provided with one and can control the hydraulic cylinder (7) that the second punch (8) slides up and down.
A kind of pressing equipment the most according to claim 1, it is characterised in that: fixed seat
(5) being connected with multiple locating dowel (11) on lower surface, the upper surface of described die (2) is provided with many
The individual location hole (202) corresponding with locating dowel (11).
A kind of pressing equipment the most according to claim 1, it is characterised in that: described lower fixed seat
(1) being connected with multiple lead (13) on, fixed seat is connected with multiple fairlead on (5)
(12), each fairlead (12) is respectively fitted on lead (13) corresponding thereto, and upper solid
Reservation (5) can be up and down relative to lead (13).
A kind of pressing equipment the most according to claim 1, it is characterised in that: described wiper mechanism
(15) include that support (151), described support (151) include U-shaped frame (1510), U-shaped frame (1510)
U-shaped opening both sides upper surface be respectively and fixedly connected with the first guide rail (152) being parallel to each other, Mei Ge
The first slide block (153) it is respectively equipped with, two first cunnings of U-shaped frame (1510) on one guide rail (152)
Connecting rod (158) it is connected with between block (153)；
The middle part of described connecting rod (158) is connected with contiguous block (159), described contiguous block (159)
Upper surface is connected with piston rod the first cylinder (154) upward, the output of described first cylinder (154)
End is connected with cleaner (155)；
The upper surface of described support (151) is connected with the second cylinder (156), described second cylinder (156)
Piston rod affixed with corresponding contiguous block (159) respectively；
The lower surface of described U-shaped frame (1510) is connected with ash can (157), ash can (157)
Opening is corresponding with the U-shaped opening of U-shaped frame (1510).
A kind of pressing equipment the most according to claim 5, it is characterised in that: also include support (16),
Described support (16) side is connected with the second guide rail (1513), and described second guide rail (1513) sets
Having the second slide block (1512), the upper connection of described second slide block (1512) has connector (1511), institute
The other end stating connector (1511) is affixed with support (151), described second slide block (1512)
One side connects has the 3rd cylinder (1514), described 3rd cylinder (1514) to be fixed in support (16)
On.
A kind of pressing equipment the most according to claim 5, it is characterised in that: described cleaner (155)
It is long scraper or long hairbrush, and the axial direction of cleaner (155) and the first cylinder (154) piston rod
Axis vertical.
A kind of pressing equipment the most according to claim 5, it is characterised in that: described ash can (157)
Opening more than the outside dimension of the first punch (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610627568.5A CN106001241A (en) | 2016-07-29 | 2016-07-29 | Stamping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610627568.5A CN106001241A (en) | 2016-07-29 | 2016-07-29 | Stamping equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106001241A true CN106001241A (en) | 2016-10-12 |
Family
ID=57134531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610627568.5A Pending CN106001241A (en) | 2016-07-29 | 2016-07-29 | Stamping equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106001241A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107537894A (en) * | 2017-10-20 | 2018-01-05 | 中核(天津)科技发展有限公司 | A kind of forcing press plate-bending apparatus and bent plate method |
| CN109047608A (en) * | 2018-07-11 | 2018-12-21 | 杨杰 | A kind of cast iron forge die convenient for cleaning |
| CN111451389A (en) * | 2020-04-13 | 2020-07-28 | 杨方舟 | Shell stretching die of quartz crystal oscillator for communication base station |
| CN111889569A (en) * | 2019-05-06 | 2020-11-06 | 重庆惠立铭汽车零部件有限公司 | Stamping forming device for aluminum alloy part for automobile engine |
| CN115782016A (en) * | 2023-02-02 | 2023-03-14 | 山东中锐产业发展股份有限公司 | Stamping die for plastic bottle cap |
| CN117644146A (en) * | 2024-01-30 | 2024-03-05 | 长春一汽四环汽车通用件有限公司 | Automobile support stamping device |
-
2016
- 2016-07-29 CN CN201610627568.5A patent/CN106001241A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107537894A (en) * | 2017-10-20 | 2018-01-05 | 中核(天津)科技发展有限公司 | A kind of forcing press plate-bending apparatus and bent plate method |
| CN109047608A (en) * | 2018-07-11 | 2018-12-21 | 杨杰 | A kind of cast iron forge die convenient for cleaning |
| CN111889569A (en) * | 2019-05-06 | 2020-11-06 | 重庆惠立铭汽车零部件有限公司 | Stamping forming device for aluminum alloy part for automobile engine |
| CN111451389A (en) * | 2020-04-13 | 2020-07-28 | 杨方舟 | Shell stretching die of quartz crystal oscillator for communication base station |
| CN115782016A (en) * | 2023-02-02 | 2023-03-14 | 山东中锐产业发展股份有限公司 | Stamping die for plastic bottle cap |
| CN117644146A (en) * | 2024-01-30 | 2024-03-05 | 长春一汽四环汽车通用件有限公司 | Automobile support stamping device |
| CN117644146B (en) * | 2024-01-30 | 2024-04-05 | 长春一汽四环汽车通用件有限公司 | Automobile support stamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161012 |