CN107718686A - A kind of diel with cooling device - Google Patents
A kind of diel with cooling device Download PDFInfo
- Publication number
- CN107718686A CN107718686A CN201711224577.0A CN201711224577A CN107718686A CN 107718686 A CN107718686 A CN 107718686A CN 201711224577 A CN201711224577 A CN 201711224577A CN 107718686 A CN107718686 A CN 107718686A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- side wall
- housing
- diel
- cooling
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 36
- 239000000498 cooling water Substances 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000013016 damping Methods 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 241000883990 Flabellum Species 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 10
- 238000007493 shaping process Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0076—Noise or vibration isolation means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/34—Heating or cooling presses or parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of diel with cooling device,Including cover plate and damping device,The internal side wall of the cover plate is welded with threaded rod,Threaded rod is threaded with housing,It is charging aperture that the outer end side wall of housing, which offers through hole,,The inner bottom side wall of housing is placed with die shoe,One end of first spring is fixedly connected with guide pillar,The bottom outer wall of guide pillar is cased with fixed block,The other end of guide pillar is fixedly connected with upper bolster,The inwall of upper bolster is fixedly connected with punch-pin,The side wall of punch-pin is fixedly connected with support bar,The end of support bar is fixedly connected with damping device,The present invention,Pass through the setting of cooling water pipe and sealing ring,Water source unobstructed flowing in cooling water pipe can be made,Ensure the sealing and stability in water source flow process,Complete the quick cooling to mould,Reduce caused deformation of directly being taken after mould punching is molded,It ensure that the quality of punch forming rear mold.
Description
Technical field
The present invention relates to Stamping Die Technology field, more particularly to a kind of diel with cooling device.
Background technology
Diel, it is in Cold Press Working, by material（Metal is nonmetallic）It is processed into part（Or semi-finished product）'s
A kind of special process equipment, referred to as cold punching die（It is commonly called as cold-punching mould）, punching press, it is at room temperature, using installed in forcing press
On mould pressure is applied to material, it is produced separation or plastic deformation, so as to a kind of pressure processing of part needed for obtaining
Method, when existing diel makes plastic more by the way of water cooling, but simply simple water cooling can not reach well
To the purpose of the quick cooling of plastic, and there is the shortcomings that sealing difference in water cooling, and cooling effectiveness is low, influence the shaping matter after cooling
Amount.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of the rushing with cooling device proposed
Compression mould.
To achieve these goals, present invention employs following technical scheme：
A kind of diel with cooling device, including cover plate and damping device, the internal side wall of the cover plate are welded with screw thread
Bar, threaded rod are threaded with housing, and it is charging aperture that the outer end side wall of housing, which offers through hole, and the inner bottom side wall of housing is put
It is equipped with die shoe, the upper end of die shoe opens up fluted, and the inside of groove is fixedly connected with the first spring, and the one of the first spring
End is fixedly connected with guide pillar, and the bottom outer wall of guide pillar is cased with fixed block, and the other end of guide pillar is fixedly connected with upper bolster, upper bolster
Inwall be fixedly connected with punch-pin, the side wall of punch-pin is fixedly connected with support bar, and the end of support bar is fixedly connected with damping dress
Put, the end of damping device is extended in the groove that cavity plate side wall opens up, and the external stability of support bar has cooling water pipe, cooling water
The outer wall fixing glue of pipe is connected to sealing ring, and the end thread of cooling water pipe is connected with water circulating pump, the fixed placement of water circulating pump
In the upper end of supporting plate, supporting plate is fixedly welded on the inwall of housing, and the vertical side that water circulating pump is placed in housing is fixedly connected
There is slide rail, the side walls of slide rail are connected with supporting plate, and the upper ends of supporting plate have reducing motor, and the output of reducing motor
End is connected with axle sleeve by shaft coupling, and the outer wall of axle sleeve is welded with flabellum, and the bottom side wall of supporting plate is welded with support column, housing
The opposite end for opening up charging aperture offers discharging opening；
The damping device includes decoupling rod, second spring and fix bar, and decoupling rod is fixedly connected on the end of support bar, subtracts
The other end side wall of shake bar is fixedly connected with second spring, and second spring is placed on fix bar.
Preferably, the inwall of the fix bar is all provided with fixture block on the both sides inwall of decoupling rod, and wherein decoupling rod
One end is extended in the cavity of fix bar by the gap between fixture block, and decoupling rod is slidably connected with fixture block, and decoupling rod erects
Straight-bar body width is more than the gap width between two fixture blocks.
Preferably, the guide pillar and support bar are flexible serial verb construction, and guide pillar is driven by upper bolster and does circulation straight line
Motion, support bar is driven under the motion of upper bolster and punch-pin does circulation linear motion.
Preferably, the cooling water pipe is fixedly connected on the outside end positions of support bar, and cooling water pipe includes phase
Two mutually to be arranged in parallel, shaping cooling uniformly can be carried out to stamping forming plastic.
Preferably, the flabellum is arranged on the outside end positions of guide pillar, and flabellum is provided with two, in reducing motor
Rotated while acting on lower two flabellums, air can be made to obtain the purpose that quick heat radiating is played in circulation.
Preferably, the side wall of the supporting plate is fixedly connected with track, and the side walls of track are connected with slide rail.
Preferably, the internal welding of the support column is connected to electric expansion bar, and electric expansion bar be electrically connected with switch by
Button, shift knob are fixedly connected on the outer end side wall of housing, and shift knob is electrically connected with reducing motor.
Preferably, the outer end side wall of the charging aperture and discharging opening is hinged with swingle, and swingle is hinged with baffle plate,
The external diameter of baffle plate is more than the external diameter of charging aperture and discharging opening.
The beneficial effects of the invention are as follows：
1st, it is of the invention, by the setting of cooling water pipe and sealing ring, water source unobstructed flowing in cooling water pipe can be made, ensure water
Sealing and stability during source flow, the quick cooling to mould is completed, directly taken after reducing mould punching shaping
Caused deformation is taken, ensure that the quality of punch forming rear mold；
2nd, it is of the invention, it by the setting of flabellum, can be used cooperatively while cooling water pipe starts, send out the air in housing
Raw convection current, accelerates the flowing of gas, improves the cooling velocity and efficiency of mould；
3rd, it is of the invention, by the setting of damping device, during mould punching shaping can be made, reduce punch-pin and cavity plate is rushed
Hit, reduce caused noise in forming process, mould is played a protective role.
Brief description of the drawings
Fig. 1 is a kind of main structure diagram of the diel with cooling device proposed by the present invention；
Fig. 2 is a kind of side structure schematic view of the diel with cooling device proposed by the present invention；
Fig. 3 is a kind of backsight structural representation of the diel with cooling device proposed by the present invention；
Fig. 4 is a kind of partial enlargement structural representation of the diel with cooling device proposed by the present invention.
In figure：1 cover plate, 2 threaded rods, 3 housings, 4 charging apertures, 5 water circulating pumps, 6 cooling water pipes, 7 sealing rings, 8 first bullets
Spring, 9 damping devices, 91 decoupling rods, 92 second springs, 93 fix bars, 10 die shoes, 11 cavity plates, 12 support bars, 13 fixed blocks,
14 guide pillars, 15 punch-pin, 16 discharging openings, 17 upper bolsters, 18 slide rails, 19 flabellums, 20 supporting plates, 21 support columns.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
Reference picture 1-4, a kind of diel with cooling device, including cover plate 1 and damping device, the private side of cover plate 1
Wall is welded with threaded rod 2, and threaded rod 2 is threaded with housing 3, and it is charging aperture 4 that the outer end side wall of housing 3, which offers through hole, shell
The inner bottom side wall of body 3 is placed with die shoe 10, and the upper end of die shoe 10 opens up fluted, and the inside of groove is fixedly connected
There is the first spring 8, one end of the first spring 8 is fixedly connected with guide pillar 14, and the bottom outer wall of guide pillar 14 is cased with fixed block 13, guide pillar
14 other end is fixedly connected with upper bolster 17, and the inwall of upper bolster 17 is fixedly connected with punch-pin 15, and the side wall of punch-pin 15 is fixed
Support bar 12 is connected with, guide pillar 14 and support bar 12 are flexible serial verb construction, and guide pillar 14 is driven by upper bolster 17 and circulated
Linear motion, support bar 12 is driven under the motion of upper bolster 17 and punch-pin 15 does circulation linear motion, and upper bolster 17 is risen
To while supporting role, damping noise reduction is played a part of to die shoe 10, mould is played a protective role, the end of support bar 12
End is fixedly connected with damping device 9, and damping device 9 includes decoupling rod 91, second spring 92 and fix bar 93, and decoupling rod 91 is solid
Surely the end of support bar 12 is connected to, the other end side wall of decoupling rod 91 is fixedly connected with second spring 92, and second spring 92 is put
Put in fix bar 93, the inwall of fix bar 93 is all provided with fixture block on the both sides inwall of decoupling rod 91, and wherein decoupling rod 91
One end is extended to by the gap between fixture block in the cavity of fix bar 93, and decoupling rod 91 is slidably connected with fixture block, decoupling rod
91 erect mast width is more than the gap width between two fixture blocks, and the end of damping device 9 extends to the side wall of cavity plate 15 and opened
If groove in, the external stability of support bar 12 has cooling water pipe 6, and cooling water pipe 6 is fixedly connected on the outside two of support bar 12
End position, and cooling water pipe 6 includes arranged in parallel two, and uniformly stamping forming plastic can be molded
Cooling, makes mould effectively to be cooled down with Quick uniform, ensures the quality after cooling, and the outer wall fixing glue of cooling water pipe 6 is connected to
Sealing ring 7, the end thread of cooling water pipe 6 are connected with water circulating pump 5, and the fixed placement of water circulating pump 5 is in the upper of supporting plate 20
End, supporting plate 20 are fixedly welded on the inwall of housing 3, and the vertical side that water circulating pump 5 is placed in housing 3 is fixedly connected with slide rail
18, the side walls of slide rail 18 are connected with supporting plate 20, and the side wall of supporting plate 20 is fixedly connected with track, and the side wall of track is slided
It is dynamic to be connected with slide rail 18, the shuttling movement of flabellum 19 can be driven, makes air Uniform Flow, the upper ends of supporting plate 20 have deceleration
Motor, and the output end of reducing motor is connected with axle sleeve by shaft coupling, the outer wall of axle sleeve is welded with flabellum 19, and flabellum 19 is set
In the outside end positions of guide pillar 14, and flabellum 19 is provided with two, while two flabellum 19 in the presence of reducing motor
Rotate, air can be made to obtain circulation and play the purpose of quick heat radiating, be used cooperatively while flabellum 19 and cooling water pipe 6, can
To accelerate air flow, the quick cooling of mould is realized, the bottom side wall of supporting plate 20 is welded with support column 21, support column 21
Internal welding is connected to electric expansion bar, and electric expansion bar is electrically connected with shift knob, and shift knob is fixedly connected on housing 3
Outer end side wall, shift knob are electrically connected with reducing motor, and the opposite end that housing 3 opens up charging aperture 4 offers discharging opening 16, entered
Material mouth 4 and the outer end side wall of discharging opening 16 are hinged with swingle, and swingle is hinged with baffle plate, and the external diameter of baffle plate is more than charging
The external diameter of mouth 4 and discharging opening 16, to playing a part of proofing dust and protecting using the mould after end,
Embodiment 1：When flabellum 19 is closed, and cooling water pipe 6 starts, shift knob is opened, is that water circulating pump 5 extracts water source stream
Through cooling water pipe 6, the mould just in punching press is cooled down, cooling water pipe circulates about 6, gives out cooling water pipe 6 cold
Gas makes the air around mould cool down rapidly, reaches the effect to mould cooling, the setting of sealing ring 7, to cooling water pipe 6 itself
Play a part of protection, prevent cooling water pipe from producing vapour explosion；
Embodiment 2：When flabellum 19 and cooling water pipe 6 start simultaneously, cold air that cooling water pipe 6 distributes is blown in flabellum 19
Under effect, make the cold air in housing 1 that convection current occur, accelerate the circulation of air, improve mould cooling velocity, flabellum 19 is propping up
Along slide rail 18 under the drive of dagger 21, shuttling movement up and down is done, can reach equal to mould to the air uniform decrease in temperature in housing 3
The purpose of even cooling.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
1. a kind of diel with cooling device, including cover plate (1) and damping device, it is characterised in that the cover plate (1)
Internal side wall is welded with threaded rod (2), and threaded rod (2) is threaded with housing (3), and the outer end side wall of housing (3) offers logical
Hole is charging aperture (4), and the inner bottom side wall of housing (3) is placed with die shoe (10), and the upper end of die shoe (10) offers recessed
Groove, and the inside of groove is fixedly connected with the first spring (8), one end of the first spring (8) is fixedly connected with guide pillar (14), guide pillar
(14) bottom outer wall is cased with fixed block (13), and the other end of guide pillar (14) is fixedly connected with upper bolster (17), upper bolster (17)
Inwall be fixedly connected with punch-pin (15), the side wall of punch-pin (15) is fixedly connected with support bar (12), the end of support bar (12)
Damping device (9) is fixedly connected with, the end of damping device (9) is extended in the groove that cavity plate (15) side wall opens up, support bar
(12) external stability has cooling water pipe (6), and the outer wall fixing glue of cooling water pipe (6) is connected to sealing ring (7), cooling water pipe (6)
End thread be connected with water circulating pump (5), the fixed placement of water circulating pump (5) is in the upper end of supporting plate (20), supporting plate
(20) inwall of housing (3) is fixedly welded on, the vertical side that water circulating pump (5) is placed in housing (3) is fixedly connected with slide rail
(18), the side walls of slide rail (18) are connected with supporting plate (20), and the upper ends of supporting plate (20) have reducing motor, and slow down
The output end of motor is connected with axle sleeve by shaft coupling, and the outer wall of axle sleeve is welded with flabellum (19), the bottom end side of supporting plate (20)
Wall is welded with support column (21), and the opposite end that housing (3) opens up charging aperture (4) offers discharging opening (16)；
The damping device (9) includes decoupling rod (91), second spring (92) and fix bar (93), and the fixed company of decoupling rod (91)
The end of support bar (12) is connected on, the other end side wall of decoupling rod (91) is fixedly connected with second spring (92), second spring
(92) it is placed on fix bar (93).
2. a kind of diel with cooling device according to claim 1, it is characterised in that the fix bar (93)
Inwall is all provided with fixture block on the both sides inwall of decoupling rod (91), and wherein one end of decoupling rod (91) is by between fixture block
Gap is extended in the cavity of fix bar (93), and decoupling rod (91) is slidably connected with fixture block, and the erect mast of decoupling rod (91) is wide
Degree is more than the gap width between two fixture blocks.
3. a kind of diel with cooling device according to claim 1, it is characterised in that the guide pillar (14) and branch
Strut (12) is flexible serial verb construction, and upper bolster (17) drives guide pillar (14) to do circulation linear motion, and support bar (12) exists
It is driven under the motion of upper bolster (17) and punch-pin (15) and does circulation linear motion.
A kind of 4. diel with cooling device according to claim 1, it is characterised in that the cooling water pipe (6)
The outside end positions of support bar (12) are fixedly connected on, and cooling water pipe (6) includes arranged in parallel two, can be with
Shaping cooling uniformly is carried out to stamping forming plastic.
5. a kind of diel with cooling device according to claim 1, it is characterised in that the flabellum (19) is set
In the outside end positions of guide pillar (14), and flabellum (19) is provided with two, two flabellums (19) in the presence of reducing motor
While rotate, air can be made to obtain circulation and play the purpose of quick heat radiating.
6. a kind of diel with cooling device according to claim 1, it is characterised in that the supporting plate (20)
Side wall is fixedly connected with track, and the side walls of track are connected with slide rail (18).
7. a kind of diel with cooling device according to claim 1, it is characterised in that the support column (21)
Internal welding is connected to electric expansion bar, and electric expansion bar is electrically connected with shift knob, and shift knob is fixedly connected on housing (3)
Outer end side wall, shift knob and reducing motor are electrically connected with.
A kind of 8. diel with cooling device according to claim 1, it is characterised in that the charging aperture (4) and
The outer end side wall of discharging opening (16) is hinged with swingle, and swingle is hinged with baffle plate, and the external diameter of baffle plate is more than charging aperture (4)
With the external diameter of discharging opening (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711224577.0A CN107718686A (en) | 2017-11-29 | 2017-11-29 | A kind of diel with cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711224577.0A CN107718686A (en) | 2017-11-29 | 2017-11-29 | A kind of diel with cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107718686A true CN107718686A (en) | 2018-02-23 |
Family
ID=61218783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711224577.0A Pending CN107718686A (en) | 2017-11-29 | 2017-11-29 | A kind of diel with cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107718686A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108326151A (en) * | 2018-04-13 | 2018-07-27 | 吉林工程技术师范学院 | A kind of high-speed stamping die with cooling structure |
| CN108421900A (en) * | 2018-05-11 | 2018-08-21 | 杨杰 | A kind of cast iron diel with damping and quick cooling function |
| CN108495532A (en) * | 2018-05-10 | 2018-09-04 | 广西思民科技有限公司 | A kind of radiator of adjustable electromechanical equipment |
| CN109047487A (en) * | 2018-08-02 | 2018-12-21 | 杭州金浪机电有限公司 | A kind of highly-safe stamping die |
| CN111804787A (en) * | 2020-06-26 | 2020-10-23 | 芜湖常瑞汽车部件有限公司 | High-speed stamping die with cooling structure |
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| CN2467232Y (en) * | 2001-02-19 | 2001-12-26 | 李宇平 | Pneumatic impact press |
| CN2925681Y (en) * | 2006-06-06 | 2007-07-25 | 番禺得意精密电子工业有限公司 | Cool improvement of punch mould |
| CN201164895Y (en) * | 2007-11-16 | 2008-12-17 | 比亚迪股份有限公司 | Amorphous Alloy Hot Press Forming Device |
| CN205905300U (en) * | 2016-04-18 | 2017-01-25 | 董阳阳 | Plastic mould |
| CN206394092U (en) * | 2016-12-05 | 2017-08-11 | 郑州法图曼工具磨具有限公司 | A kind of diamond diel for having a damping effect |
| CN206455088U (en) * | 2017-02-22 | 2017-09-01 | 叶宝义 | A stamping head cooling replacement device for metal sheet stamping |
| CN107322981A (en) * | 2017-08-30 | 2017-11-07 | 张家港华翊电工有限公司 | A kind of efficient die radiating device |
| CN206632241U (en) * | 2017-04-24 | 2017-11-14 | 赖丽华 | A kind of decompressor of intermetallic composite coating |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2467232Y (en) * | 2001-02-19 | 2001-12-26 | 李宇平 | Pneumatic impact press |
| CN2925681Y (en) * | 2006-06-06 | 2007-07-25 | 番禺得意精密电子工业有限公司 | Cool improvement of punch mould |
| CN201164895Y (en) * | 2007-11-16 | 2008-12-17 | 比亚迪股份有限公司 | Amorphous Alloy Hot Press Forming Device |
| CN205905300U (en) * | 2016-04-18 | 2017-01-25 | 董阳阳 | Plastic mould |
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| CN206455088U (en) * | 2017-02-22 | 2017-09-01 | 叶宝义 | A stamping head cooling replacement device for metal sheet stamping |
| CN206632241U (en) * | 2017-04-24 | 2017-11-14 | 赖丽华 | A kind of decompressor of intermetallic composite coating |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108326151A (en) * | 2018-04-13 | 2018-07-27 | 吉林工程技术师范学院 | A kind of high-speed stamping die with cooling structure |
| CN108326151B (en) * | 2018-04-13 | 2019-11-05 | 吉林工程技术师范学院 | A kind of high-speed stamping die with cooling structure |
| CN108495532A (en) * | 2018-05-10 | 2018-09-04 | 广西思民科技有限公司 | A kind of radiator of adjustable electromechanical equipment |
| CN108495532B (en) * | 2018-05-10 | 2019-12-31 | 广西思民科技有限公司 | Adjustable heat dissipation device of electromechanical equipment |
| CN108421900A (en) * | 2018-05-11 | 2018-08-21 | 杨杰 | A kind of cast iron diel with damping and quick cooling function |
| CN108421900B (en) * | 2018-05-11 | 2019-09-17 | 厦门恒兴兴业机械有限公司 | A kind of cast iron stamping die with damping and quick cooling function |
| CN109047487A (en) * | 2018-08-02 | 2018-12-21 | 杭州金浪机电有限公司 | A kind of highly-safe stamping die |
| CN111804787A (en) * | 2020-06-26 | 2020-10-23 | 芜湖常瑞汽车部件有限公司 | High-speed stamping die with cooling structure |
| CN111804787B (en) * | 2020-06-26 | 2022-02-01 | 芜湖常瑞汽车部件有限公司 | High-speed stamping die with cooling structure |
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Application publication date: 20180223 |