CN110355252B - Stamping die easy to demould - Google Patents
Stamping die easy to demould Download PDFInfo
- Publication number
- CN110355252B CN110355252B CN201910688789.7A CN201910688789A CN110355252B CN 110355252 B CN110355252 B CN 110355252B CN 201910688789 A CN201910688789 A CN 201910688789A CN 110355252 B CN110355252 B CN 110355252B
- Authority
- CN
- China
- Prior art keywords
- plate
- fixedly connected
- device body
- base
- lower bolster
- 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.)
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Links
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 8
- 238000002955 isolation Methods 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 238000005192 partition Methods 0.000 abstract description 6
- 239000000047 product Substances 0.000 description 24
- 239000000463 material Substances 0.000 description 8
- 238000003825 pressing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000002699 waste material Substances 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
- B21D22/02—Stamping using rigid devices or tools
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/20—Storage arrangements; Piling or unpiling
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Making Paper Articles (AREA)
Abstract
The invention provides a stamping die easy to demould, which relates to the technical field of stamping dies and comprises a base, wherein the top of the base is fixedly connected with a stamping device body, the inner top wall of the stamping device body is fixedly connected with an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with an upper template, four corner edges of the top of the base are fixedly connected with reinforcing columns, a partition plate is arranged above the reinforcing columns, and a lower template is arranged above the partition plate. This stamping die who easily drawing of patterns through setting up driving gear, positive and negative rotation motor, driven gear, screw thread screw rod, supporting disk and shedder, under the drive driving gear and driven gear rotation of positive and negative rotation motor, makes screw thread screw rod rotate to make the lower bolster reciprocate, under the effect of supporting disk, make the finished product break away from the lower bolster, make the inside of finished product propelling movement to the collecting box under shedder's effect, thereby reach quick drawing of patterns and collect the effect.
Description
Technical Field
The invention relates to the technical field of stamping dies, in particular to a stamping die easy to demould.
Background
The stamping die is a special technological equipment for processing metal or nonmetal materials into parts or semi-finished products in cold stamping, called cold stamping die, and stamping is a pressure processing method for obtaining required parts by applying pressure to the materials at room temperature by using a die arranged on a press machine to separate or plastically deform the materials.
The stamping die that many producer used at present often needs the worker to get to take by oneself to the work that accomplishes, sometimes blocks and take out in the mould inadequately, often needs to pick out the finished product with some instrument to lead to partial commodity outward appearance to receive the damage, influenced the pleasing to the eye of finished product, cause unnecessary loss, waste workman's time moreover, work efficiency is low.
Disclosure of Invention
The invention aims to provide a stamping die easy to demould, which has the advantages of rapid demould and collection, and solves the problems in the background technology.
Technical proposal
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a stamping die of easy drawing of patterns, includes the base, the top fixedly connected with stamping device body of base, the electric telescopic handle of the internal roof fixedly connected with of stamping device body, the output fixedly connected with cope match-plate pattern of electric telescopic handle, the equal fixedly connected with anchor strut in four corner limits at base top, the division board has been placed to the top of anchor strut, the lower bolster has been placed to the top of division board, the center fixedly connected with positive and negative commentaries on classics motor at base top, the central point of division board bottom puts fixedly connected with first bearing, the surface fixedly connected with driving gear of positive and negative commentaries on classics motor output, the top fixedly connected with of base two symmetrical second bearings, every the equal fixedly connected with screw thread screw of inside of second bearing, every the equal rotation in top of screw thread screw is connected with supporting disk, every the equal fixedly connected with driven gear of surface of screw thread screw, the center fixedly connected with spacing strut at division board top, two symmetrical standing grooves have been seted up at the top of lower bolster, two symmetrical devices have been placed between lower bolster and the upper bolster.
Further, shedder includes the folded plate, one side that the collecting box was kept away from to one side of folded plate and cope match-plate pattern rotates to be connected with the mounting panel, one side that the folded plate was kept away from to the cope match-plate pattern rotates to be connected with the lower folded plate, one side that the mounting panel was kept away from to the lower folded plate and one side that the collecting box was kept away from to the lower template rotate to be connected with, one side that the mounting panel was close to the collecting box is fixedly connected with push pedal, one side that the mounting panel was kept away from to the push pedal rotates to be connected with two symmetrical torsional spring posts, every the surface of torsional spring post is all rotated and is connected with the extension board, through setting up folded plate and lower folded plate, makes the mounting panel can be horizontal flexible to make the push pedal promote the finished product on the supporting disk, makes the finished product drop in the inside of collecting box, through setting up extension board and torsional spring post, makes the extension board be close to each other under the effect of last folded plate and lower folded plate when making the shrink in the space between last folded plate and the lower folded plate, makes extension board flank expand when stretching.
Further, the below fixedly connected with collecting box at stamping device body back, consolidate the post and be located the inside of stamping device body, every consolidate the top of post all with the bottom fixed connection of division board, through setting up the collecting box, make the finished product collect that drops automatically, through setting up consolidate the post, support fixedly to the division board.
Further, the upper die plate is in sliding connection with the inner side wall of the stamping device body, the lower die plate is in sliding connection with the inner side wall of the stamping device body, each driven gear is located between the isolation plate and the base, each driven gear is meshed with the driving gear, the upper die plate and the lower die plate are arranged to stamp materials, and the driven gears are arranged to enable the threaded screw to rotate under the action of the driving gear.
Further, the output of positive and negative rotation motor and the inside fixed connection of first bearing, every threaded screw rod all runs through division board and lower bolster and extends to the top of lower bolster, standing groove and supporting disk looks adaptation through setting up first bearing, makes positive and negative rotation motor can not drive the division board and rotate when rotating, plays fixed effect simultaneously, through setting up threaded screw rod, makes the lower bolster reciprocate, through setting up the standing groove, makes the supporting disk can place in the inside of standing groove to make lower bolster and cope match-plate pattern can merge together.
Further, the spacing traveller runs through the lower bolster and extends to the top of lower bolster, spacing traveller and lower bolster sliding connection, the top of spacing traveller is located same horizontal plane with the top of supporting disk, fixes the lower bolster through setting up spacing traveller, when the supporting disk supports the finished product simultaneously, makes the middle part of finished product obtain supporting, prevents that the finished product from breaking.
1. This stamping die easy drawing of patterns, through setting up driving gear, positive and negative rotation motor, driven gear, the screw thread screw rod, supporting disk and shedder, under the drive driving gear and driven gear rotation of positive and negative rotation motor, make the screw thread screw rod rotate, thereby make the lower bolster reciprocate, under the effect of supporting disk, make the finished product break away from the lower bolster, make the inside of finished product propelling movement to the collecting box under shedder's effect, thereby reach quick drawing of patterns and collect the effect, through setting up the upper flap, lower flap, the mounting panel, the push pedal, extension board and torsional spring post, make the mounting panel can the horizontal flexible under the effect of upper flap and lower flap, thereby make the push pedal promote the finished product on the supporting disk, make the finished product drop in the inside of collecting box, make the extension board be close to folding each other under the effect of upper flap and lower flap during the shrink, and shrink in the space between upper flap and lower flap, under the effect of torsional spring post, make extension board flank expand the promotion area, thereby avoid scraping the surface of flower finished product.
2. This stamping die easy drawing of patterns, through setting up the collecting box, make the finished product automatic collect that drops, through setting up the reinforcing column, support fixedly to the division board, through setting up cope match-plate pattern and lower bolster, punch the material, through setting up driven gear, under the effect of driving gear, make the screw thread screw rod produce and rotate, through setting up first bearing, make positive and negative rotating motor can not drive the division board and rotate when rotating, play fixed effect simultaneously, through setting up the screw thread screw rod, make the lower bolster reciprocate, through setting up the standing groove, make the supporting disk can place in the inside of standing groove, thereby make lower bolster and cope match-plate pattern can merge together, through setting up spacing traveller, fix the lower bolster, simultaneously when the supporting disk supports the finished product, make the middle part of finished product obtain the support, prevent that the finished product from breaking.
Drawings
FIG. 1 is a perspective view of a stamping die of the present invention;
FIG. 2 is a front view of a stamping die of the present invention;
FIG. 3 is a perspective view of a lower template of the present invention;
FIG. 4 is a perspective view of a stripping apparatus of the present invention;
Fig. 5 is an enlarged schematic view of fig. 4 at a in accordance with the present invention.
The device comprises a base 1, a stamping device body 2, a collecting box 3, a demolding device 4, an upper folded plate 401, a lower folded plate 402, a mounting plate 403, a push plate 404, an extending plate 405, a torsion spring column 406, a reinforcing column 5, a partition plate 6, a lower template 7, an upper template 8, a positive and negative rotating motor 9, a driving gear 10, a driven gear 11, an electric telescopic rod 12, a supporting disc 13, a limiting sliding column 14, a first bearing 15, a second bearing 16, a threaded screw 17 and a placing groove 18.
Detailed Description
As shown in fig. 1-5, the embodiment of the invention provides a stamping die easy to demould, which comprises a base 1, wherein the top of the base 1 is fixedly connected with a stamping device body 2, the lower part of the back of the stamping device body 2 is fixedly connected with a collecting box 3, finished products automatically drop and are collected by arranging the collecting box 3, the inner top wall of the stamping device body 2 is fixedly connected with an electric telescopic rod 12, and the model of the electric telescopic rod 12 is as follows: TF12-200, electric telescopic handle 12's output fixedly connected with cope match-plate pattern 8, cope match-plate pattern 8 and stamping device body 2's inside wall sliding connection, the equal fixedly connected with of four corner limit at base 1 top consolidates post 5, consolidate the inside that post 5 is located stamping device body 2, partition plate 6 has been placed to the top of post 5, the top of every consolidate post 5 all with the bottom fixed connection of partition plate 6, support fixedly through setting up post 5, lower bolster 7 has been placed to the top of partition plate 6, lower bolster 7 and stamping device body 2's inside wall sliding connection, through setting up cope match-plate pattern 8 and lower bolster 7, punch the material, the center fixedly connected with positive and negative rotation motor 9 at base 1 top, positive and negative rotation motor 9's model is: the output end of the YE2-100L1-4B3 forward and backward motor 9 is fixedly connected with the inside of the first bearing 15, and the first bearing 15 is arranged, so that the forward and backward motor 9 can not drive the isolation plate 6 to rotate when rotating, and the fixing function is achieved.
The center of the bottom of the isolation plate 6 is fixedly connected with a first bearing 15, the outer surface of the output end of the forward and backward rotating motor 9 is fixedly connected with a driving gear 10, the top of the base 1 is fixedly connected with two symmetrical second bearings 16, the inside of each second bearing 16 is fixedly connected with a threaded screw 17, each threaded screw 17 penetrates through the isolation plate 6 and the lower template 7 and extends to the upper side of the lower template 7, the lower template 7 is enabled to move up and down by arranging the threaded screws 17, the top of each threaded screw 17 is rotationally connected with a supporting disc 13, the outer surface of each threaded screw 17 is fixedly connected with a driven gear 11, each driven gear 11 is meshed with the driving gear 10 and is positioned between the isolation plate 6 and the base 1 by arranging the driven gears 11, make screw 17 produce rotation, the center fixedly connected with spacing traveller 14 at division board 6 top, spacing traveller 14 runs through lower bolster 7 and extends to the top of lower bolster 7, spacing traveller 14 and lower bolster 7 sliding connection, the top of spacing traveller 14 and the top of supporting disk 13 are located same horizontal plane, through setting up spacing traveller 14, fix lower bolster 7, simultaneously when supporting disk 13 supports the finished product, make the middle part of finished product obtain the support, prevent that the finished product from breaking, two symmetrical standing grooves 18 have been seted up at the top of lower bolster 7, standing groove 18 and supporting disk 13 looks adaptation, through setting up standing groove 18, make supporting disk 13 can place the inside at standing groove 18, thereby make lower bolster 7 and cope match-plate pattern 8 can merge together, two symmetrical shedder 4 have been placed between lower bolster 7 and the cope match-plate pattern 8.
The demoulding device 4 comprises an upper folded plate 401, one side of the upper folded plate 401 is rotationally connected with one side of the upper template 8, which is far away from the collecting box 3, one side of the upper folded plate 401, which is far away from the upper folded plate 401, is rotationally connected with a lower folded plate 402, one side of the lower folded plate 402, which is far away from the mounting plate 403, is rotationally connected with one side of the lower template 7, which is far away from the collecting box 3, by arranging the upper folded plate 401 and the lower folded plate 402, the mounting plate 403 can horizontally stretch, so that the push plate 404 pushes a finished product on the supporting disc 13, the finished product falls in the collecting box 3, one side of the mounting plate 403, which is near the collecting box 3, is fixedly connected with a push plate 404, one side of the push plate 404, which is far away from the mounting plate 403, is rotationally connected with two symmetrical torsion spring columns 406, the outer surface of each torsion spring column 406 is rotationally connected with an extension plate 405, and by arranging the extension plate 405 and the torsion spring columns 406, the extension plate 405 is mutually close to fold under the action of the upper folded plate 401 and the lower folded plate 402 when the extension plate 402 is contracted, and the extension plate 405 is expanded under the action of the torsion spring columns 406, so that the extension plate 405 expands the extension plate area of the extension flap.
When the device is used, the forward and reverse motor 9 and the electric telescopic rod 12 are electrically connected with a municipal power supply, the forward and reverse motor 9 is started, the lower template 7 is lifted, the placing groove 18 is matched with the supporting disc 13, the material needing to be punched is placed on the lower template 7, the electric telescopic rod 12 is started, the upper template 8 is pressed down to be impacted, the material is manufactured, in the pressing process, the push plate 404 moves in the direction far away from the lower template 7 under the action of the mounting plate 403, the lower folded plate 402 and the upper folded plate 401, simultaneously, the extension plate 405 is combined together and contracted with the push plate 404 in a gap between the upper folded plate 401 and the lower folded plate 402 under the force of the upper folded plate 401 and the lower folded plate 402, the forward and reverse motor 9 is started, the reverse rotation of the extension plate is realized, the lower template 7 moves downwards under the action of the threaded screw 17, the finished product is separated from the lower template 7 under the action of the supporting disc 13, so that demoulding operation is completed, and when the lower template 7 and the upper folded plate 8 are separated, the upper folded plate 401 and the lower folded plate 402 are pulled upwards under the relation of the pulling force, the mounting plate 403 is close to the lower template 7, the push plate 404 is pushed down, the whole time is saved, the whole area is saved, and the whole area is protected, and the surface is not protected, and the area is protected.
Claims (3)
1. Stamping die easy to demold, comprising a base (1), characterized in that: the top fixedly connected with stamping device body (2) of base (1), the interior roof fixedly connected with electric telescopic handle (12) of stamping device body (2), the output fixedly connected with cope match-plate pattern (8) of electric telescopic handle (12), four corner limit at base (1) top all fixedly connected with reinforcing column (5), division board (6) have been placed to the top of reinforcing column (5), lower bolster (7) have been placed to the top of division board (6), the center fixedly connected with positive and negative commentaries on classics motor (9) of base (1) top, the central point of division board (6) bottom puts fixedly connected with first bearing (15), the surface fixedly connected with driving gear (10) of positive and negative commentaries on classics motor (9) output, the top fixedly connected with two symmetrical second bearings (16) of base (1), the inside all fixedly connected with threaded screw (17) at every threaded screw (17) the top of threaded screw (17) all rotates and is connected with supporting disk (13), every driven screw (17) all is equipped with two fixed connection with screw (14) of top of division board (6), two symmetrical demolding devices (4) are arranged between the lower mold plate (7) and the upper mold plate (8), each demolding device (4) comprises an upper folded plate (401), one side of each upper folded plate (401) is rotationally connected with one side of each upper mold plate (8) away from the corresponding collecting box (3), one side of each upper folded plate (401) away from each upper mold plate (8) is rotationally connected with a mounting plate (403), one side of each mounting plate (403) away from each upper folded plate (401) is rotationally connected with a lower folded plate (402), one side of each lower folded plate (402) away from each mounting plate (403) is rotationally connected with one side of each lower mold plate (7) away from the corresponding collecting box (3), one side of each mounting plate (403) close to the corresponding collecting box (3) is fixedly connected with a pushing plate (404), one side of each pushing plate (404) away from each torsion spring column (406) is rotationally connected with an extension plate (405), the lower part of the back of the stamping device body (2) is fixedly connected with a collecting box (3), one side of each front and back of the stamping device body (2) is rotationally connected with a positive and negative motor (9) to one side of the corresponding output end (9) which is rotationally connected with one screw rod (17) of the corresponding to the corresponding first screw rod (7) and extends through the corresponding upper mold plate (17), the holding tank (18) and supporting disk (13) looks adaptation, spacing traveller (14) run through lower bolster (7) and extend to the top of lower bolster (7), spacing traveller (14) and lower bolster (7) sliding connection, the top of spacing traveller (14) is located same horizontal plane with the top of supporting disk (13), through setting up holding tank (18), makes supporting disk (13) can place in the inside of holding tank (18) to make lower bolster (7) and cope match-plate pattern (8) can merge together, fix lower bolster (7) through setting up spacing traveller (14), make the middle part of finished product obtain the support when supporting disk (13) support the finished product simultaneously.
2. The stamping die easy to release according to claim 1, wherein: the reinforcing columns (5) are located in the stamping device body (2), and the top of each reinforcing column (5) is fixedly connected with the bottom of the isolation plate (6).
3. The stamping die easy to release according to claim 1, wherein: the upper template (8) is in sliding connection with the inner side wall of the stamping device body (2), the lower template (7) is in sliding connection with the inner side wall of the stamping device body (2), each driven gear (11) is located between the isolation plate (6) and the base (1), and each driven gear (11) is meshed with the driving gear (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910688789.7A CN110355252B (en) | 2019-07-29 | 2019-07-29 | Stamping die easy to demould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910688789.7A CN110355252B (en) | 2019-07-29 | 2019-07-29 | Stamping die easy to demould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110355252A CN110355252A (en) | 2019-10-22 |
| CN110355252B true CN110355252B (en) | 2024-04-30 |
Family
ID=68222555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910688789.7A Active CN110355252B (en) | 2019-07-29 | 2019-07-29 | Stamping die easy to demould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110355252B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590800A (en) * | 2020-05-25 | 2020-08-28 | 吴原财 | Disposable cutlery box drawing of patterns equipment |
| CN114472622B (en) * | 2022-04-18 | 2022-06-24 | 山东乐康金岳实业有限公司 | Bending device for processing power distribution cabinet shell |
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| CN202913997U (en) * | 2012-09-29 | 2013-05-01 | 贵州航天凯山石油仪器有限公司 | Separation and reunion device of water consumption measuring and adjusting instrument of oil field hollow water injection well |
| CN203495030U (en) * | 2013-10-18 | 2014-03-26 | 苏州凯贸铸造工业有限公司 | Transverse bending die capable of automatically ejecting out U-shaped workpiece |
| CN107377783A (en) * | 2017-08-31 | 2017-11-24 | 中山诺顿科研技术服务有限公司 | A kind of screw die-sinking die |
| CN206780894U (en) * | 2017-06-01 | 2017-12-22 | 赵银栋 | A kind of Rotary core puller of injection mold |
| CN208375866U (en) * | 2018-05-22 | 2019-01-15 | 苏州新路塑业有限公司 | A kind of plastic mold of fast demoulding |
| CN210387120U (en) * | 2019-07-29 | 2020-04-24 | 昆山麦克诺机械有限公司 | Stamping die easy to demould |
-
2019
- 2019-07-29 CN CN201910688789.7A patent/CN110355252B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202913997U (en) * | 2012-09-29 | 2013-05-01 | 贵州航天凯山石油仪器有限公司 | Separation and reunion device of water consumption measuring and adjusting instrument of oil field hollow water injection well |
| CN203495030U (en) * | 2013-10-18 | 2014-03-26 | 苏州凯贸铸造工业有限公司 | Transverse bending die capable of automatically ejecting out U-shaped workpiece |
| CN206780894U (en) * | 2017-06-01 | 2017-12-22 | 赵银栋 | A kind of Rotary core puller of injection mold |
| CN107377783A (en) * | 2017-08-31 | 2017-11-24 | 中山诺顿科研技术服务有限公司 | A kind of screw die-sinking die |
| CN208375866U (en) * | 2018-05-22 | 2019-01-15 | 苏州新路塑业有限公司 | A kind of plastic mold of fast demoulding |
| CN210387120U (en) * | 2019-07-29 | 2020-04-24 | 昆山麦克诺机械有限公司 | Stamping die easy to demould |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110355252A (en) | 2019-10-22 |
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