CN104439154A - Fixed point type cooling water channel die-casting mold - Google Patents
Fixed point type cooling water channel die-casting mold Download PDFInfo
- Publication number
- CN104439154A CN104439154A CN201410823587.6A CN201410823587A CN104439154A CN 104439154 A CN104439154 A CN 104439154A CN 201410823587 A CN201410823587 A CN 201410823587A CN 104439154 A CN104439154 A CN 104439154A
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- China
- Prior art keywords
- water
- blind hole
- pin
- pipe
- return pipe
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2218—Cooling or heating equipment for dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of die-casting molds, in particular to a fixed point type cooling water channel die-casting mold. The fixed point type cooling water channel die-casting mold comprises a front mold plate, a rear mold plate, a front mold core and a rear mold core. The front mold core is arranged on the front mold plate, the rear mold core is arranged on the rear mold plate, and when the front mold plate and the rear mold plate are subjected to mold assembly, a cavity of the front mold core and a cavity of the rear mold core are combined to be a pouring cavity. A front insert pin is arranged on the front mold core, and a first water pipe channel is formed in the position, corresponding to the position of the front insert pin, of the front mold plate. A first blind hole is formed in the front insert pin, the first blind hole is communicated with the first water pipe channel, and a first water conveying circulation device used for leading water to the first blind hole is connected into the first water pipe channel and the first blind hole which are communicated. According to the fixed point type cooling water channel die-casting mold, the phenomenon that die-casting materials are attached to the front insert pin due to the excessively-high temperature of the position of the front insert pin in the die-casting process is avoided, breakage which can be likely to happen due to the excessively-high temperature of the front insert pin is avoided, shrinkage holes and air holes of products due to the excessively-high temperature of the position of the front insert pin are avoided, and the yield and quality of the products are improved.
Description
Technical field
The present invention relates to die casting technical field, particularly relate to a kind of fixed-point type cooling water channel die casting.
Background technology
The shape of die casting is varied, after die carter completes, die casting ejects outside cast die cavity by the general thimble that adopts, in addition, for some special die castings, also need to arrange pin in some positions of die casting and have specific shape with the die casting making die casting go out, it is shaping that such as, stepped hole in die casting then needs to use pin to coordinate.And die casting arranges pin, be easy to cause cooling water in press casting procedure cannot arrive the position of this pin, thus often cause die-casting material to be bonded on pin because pin position local temperature is too high, cause shaping product to lack material; Meanwhile, can because pin temperature to be too high, mold insert is also easy to fracture, and the too high position of pin temperature is also easy to cause shaping product to occur shrinkage cavity and pore, directly affects the air-tightness of shaping product, causes defective products.
Summary of the invention
The object of the invention is to provide a kind of fixed-point type cooling water channel die casting for the deficiencies in the prior art, it can cool the pin position of die casting, causes defective products to avoid die casting because of hot-spot.
For achieving the above object, a kind of fixed-point type cooling water channel die casting of the present invention, comprise front template, rear pattern plate, front cavity, rear cavity, front cavity is arranged at front template, rear cavity is arranged at rear pattern plate, when front template and rear pattern plate matched moulds, the die cavity of front cavity and the die cavity of rear cavity are merged into a cast die cavity, described front cavity is provided with front pin, the position that front template corresponds to front pin offers the first water pipe channel, the first blind hole is offered in front pin, first blind hole is communicated with the first water pipe channel, be internally connected with at the first water pipe channel be communicated with and the first blind hole and in the first blind hole, first transport water circle device for passing into water.
Preferably, described first fortune water circle device comprises the first water inlet pipe and the first return pipe, first water inlet pipe is arranged in the inside of the first return pipe, the part of the first water inlet pipe is stretched out outside the first return pipe, the first backwater road is formed between first water inlet pipe and the first return pipe, first return pipe inserts in the first water pipe channel, and part first water inlet pipe stretched out outside the first return pipe stretches in the first blind hole.
Preferably, be provided with the first internal thread in described first blind hole, the first return pipe is outside equipped with the first external screw thread, and the first internal thread and the first external thread bolt connection make the first return pipe be connected with front pin.
Preferably, described rear cavity is provided with the rear pin corresponding with front pin position, the position that rear pattern plate corresponds to rear pin offers the second water pipe channel, the second blind hole is offered in rear pin, second blind hole is communicated with the second water pipe channel, is internally connected with in the second blind hole, second transports water circle device for passing into water at the second water pipe channel be communicated with and the second blind hole.
Preferably, described second fortune water circle device comprises the second water inlet pipe and the second return pipe, second water inlet pipe is arranged in the inside of the second return pipe, the part of the second water inlet pipe is stretched out outside the second return pipe, the second backwater road is formed between second water inlet pipe and the second return pipe, second return pipe inserts in the second water pipe channel, and part second water inlet pipe stretching out the second return pipe stretches in the second blind hole.
Preferably, be provided with the second internal thread in described second blind hole, the second return pipe is outside equipped with the second external screw thread, and the second internal thread and the second external thread bolt connection make the second return pipe be connected with rear pin.
Preferably, the diagonal angle place of described front template is symmetrically arranged with guide pillar, and rear pattern plate is provided with the guide pin bushing cooperatively interacted with guide pillar.
Preferably, described rear pattern plate is provided with thimble, and the top of thimble is arranged in rear cavity and stretches into the bottom of cast die cavity, and the bottom of thimble is connected with thimble panel for fixing thimble and Ejector Retainer Plate.
Preferably, the bottom of described rear pattern plate is provided with the mould pin for supporting rear pattern plate.
Beneficial effect of the present invention: a kind of fixed-point type cooling water channel die casting of the present invention, wherein, front template offers first water pipe channel corresponding with pin position before front cavity, offer the first blind hole in front pin to be communicated with this first water pipe channel, then arrange can carry out waterway circulating first fortune water circle device in be communicated with the first blind hole and this first water pipe channel in, when carrying out die casting work, pass into water in the first fortune water circle device, can be cooled front pin by the circulation of water in the first blind hole of front pin, to avoid in press casting procedure because the temperature of front pin position is too high before causing die-casting material to be bonded on pin, thus can avoid causing product to lack material, meanwhile, can avoid because front pin temperature is too high and easily rupture, preventing the too high product that causes of the temperature of pin position from occurring shrinkage cavity and pore, increasing the air-tightness of product in front pin position, improving yields and the quality of product.
Accompanying drawing explanation
Fig. 1 is the structural representation of the die casting of the embodiment of the present invention one.
Fig. 2 is another structural representation of the die casting of the embodiment of the present invention one.
Fig. 3 is the structural representation after the die casting of the embodiment of the present invention one hides the first fortune water circle device.
Fig. 4 is the structure cut-away illustration of the first fortune water circle device of the die casting of the embodiment of the present invention one.
Fig. 5 is the structural representation of the die casting of the embodiment of the present invention two.
Fig. 6 is the structural representation after the die casting of the embodiment of the present invention two hides the first fortune water circle device and the second fortune water circle device.
Fig. 7 is the structure cut-away illustration of the second fortune water circle device of the die casting of the embodiment of the present invention two.
Reference numeral comprises:
10-front template, 11-front cavity, 12-front pin
13-the first water pipe channel 14-the first blind hole 15-the first internal thread
16-guide pillar, 20-rear pattern plate, 21-rear cavity
22-rear pin 23-the second water pipe channel 24-the second blind hole
25-the second internal thread 26-guide pin bushing 30-cast die cavity
40-the first fortune water circle device 41-the first water inlet pipe 42-the first return pipe
43-the first backwater road 44-the first external screw thread 45-the first water inlet
46-the first delivery port 50-the second transports water circle device 51-the second water inlet pipe
52-the second return pipe 53-the second backwater road 54-the second external screw thread
55-the second water inlet 56-the second delivery port 60-thimble
61-thimble panel, 62-Ejector Retainer Plate, 70-mould pin.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
embodiment one.
As shown in Figures 1 to 4, a kind of fixed-point type cooling water channel die casting of the present invention, comprise front template 10, rear pattern plate 20, front cavity 11, rear cavity 21, front cavity 11 is arranged at front template 10, rear cavity 21 is arranged at rear pattern plate 20, when front template 10 and rear pattern plate 20 matched moulds, the die cavity of front cavity 11 and the die cavity of rear cavity 21 are merged into a cast die cavity 30, described front cavity 11 is provided with front pin 12, the position that front template 10 corresponds to front pin 12 offers the first water pipe channel 13, the first blind hole 14 is offered in front pin 12, first blind hole 14 is communicated with the first water pipe channel 13, be internally connected with at the first water pipe channel 13 be communicated with and the first blind hole 14 and in the first blind hole 14, first transport water circle device 40 for passing into water, concrete, front template 10 offers first water pipe channel 13 corresponding with pin 12 position before front cavity 11, offer the first blind hole 14 in front pin 12 to be communicated with this first water pipe channel 13, then arrange can carry out waterway circulating the first fortune water circle device 40 in the first blind hole 14 be communicated with in this first water pipe channel 13, when carrying out die casting work, pass into water in the first fortune water circle device 40, can be cooled front pin 12 by the circulation of water in the first blind hole 14 of front pin 12, to avoid in press casting procedure because the temperature of front pin 12 position is too high before causing die-casting material to be bonded on pin 12, thus can avoid causing product to lack material, meanwhile, can avoid because front pin 12 temperature is too high and easily rupture, preventing the too high product that causes of the temperature of pin position from occurring shrinkage cavity and pore, increasing the air-tightness of product in front pin 12 position, improving yields and the quality of product.
Die casting of the present invention is provided with front pin 12, is applicable to the die cast to the round-meshed product of needs, is stretched into carry out shaping to circular hole in cast die cavity 30 by this front pin 12.
In the present embodiment, described first fortune water circle device 40 comprises the first water inlet pipe 41 and the first return pipe 42, first water inlet pipe 41 is arranged in the inside of the first return pipe 42, the part of the first water inlet pipe 41 is stretched out outside the first return pipe 42, the first backwater road 43 is formed between first water inlet pipe 41 and the first return pipe 42, first return pipe 42 inserts in the first water pipe channel 13, and part first water inlet pipe 41 stretched out outside the first return pipe 42 stretches in the first blind hole 14, concrete, water first passes into from the first water inlet 45 of the first water inlet pipe 41, until flow in the first blind hole 14, pressure is applied because the external world passes into water always, the water flowed in the first blind hole 14 refluxes from the first backwater road 43 formed between the first water inlet pipe 41 and the first return pipe 42 until flow out from the first delivery port 46 of the first return pipe 42, thus go into a circulating cooling process to front pin 12, and then can effectively lower the temperature to front pin 12, ensure the equalized temperature of whole die casting, avoid the situation occurring that local temperature is too high, the quality of product effectively can be improved while preventing that front pin 12 is overheated and causing fracture.
In the present embodiment, be provided with the first internal thread 15, first return pipe 42 in described first blind hole 14 and be outside equipped with the first external screw thread 44, first internal thread 15 and be spirally connected with the first external screw thread 44 first return pipe 42 is connected with front pin 12; Be threaded connection and can guarantee that the first return pipe 42 is connected with front pin 12, and then complete the installation to the first fortune water circle device 40, install simple and convenient.
In the present embodiment, the diagonal angle place of described front template 10 is symmetrically arranged with guide pillar 16, rear pattern plate 20 is provided with the guide pin bushing 26 cooperatively interacted with guide pillar 16, by arranging the guide pillar 16 and guide pin bushing 26 that cooperatively interact, play guide-localization when can be used for current template 10 and rear pattern plate 20 matched moulds, guarantee the matched moulds that front template 10 and rear pattern plate 20 can be safe smoothly.
In the present embodiment, described rear pattern plate 20 is provided with thimble 60, and the top of thimble 60 is arranged in rear cavity 21 and stretches into the bottom of cast die cavity 30, and the bottom of thimble 60 is connected with thimble panel 61 for fixing thimble 60 and Ejector Retainer Plate 62; Concrete, control moving up and down of thimble panel 61 and Ejector Retainer Plate 62, thimble 60 can be made to realize moving up and down, thus realize thimble 60 promote shaping after die casting deviate to pour into a mould die cavity 30.
Concrete, the bottom of described rear pattern plate 20 is provided with the mould pin 70 for supporting rear pattern plate 20, and mould pin 70 both can play the effect supporting rear pattern plate 20, and meanwhile, the activity that also can be thimble 60 provides enough spaces.
embodiment two.
As shown in Figures 5 to 7, the difference of the present embodiment and embodiment one is, described rear cavity 21 is provided with the rear pin 22 corresponding with front pin 12 position, the position that rear pattern plate 20 corresponds to rear pin 22 offers the second water pipe channel 23, the second blind hole 24 is offered in rear pin 22, second blind hole 24 is communicated with the second water pipe channel 23, is internally connected with in the second blind hole 24, second transports water circle device 50 for passing into water at the second water pipe channel 23 be communicated with and the second blind hole 24; The operation principle that second operation principle and first of transporting water circle device 50 transports water circle device 40 is identical, no longer repeats at this.
Wherein, die casting of the present invention is provided with front pin 12 and rear pin 22, be applicable to the die cast to the product needing stepped hole, stretch in cast die cavity 30 by this front pin 12, rear pin 22, and the end of front pin 12 and rear pin 22 is docked mutually, can effectively carry out shaping to stepped hole when carrying out die casting.
In the present embodiment, described second fortune water circle device 50 comprises the second water inlet pipe 51 and the second return pipe 52, second water inlet pipe 51 is arranged in the inside of the second return pipe 52, the part of the second water inlet pipe 51 is stretched out outside the second return pipe 52, the second backwater road 53 is formed between second water inlet pipe 51 and the second return pipe 52, second return pipe 52 inserts in the second water pipe channel 23, and part second water inlet pipe 51 stretching out the second return pipe 52 stretches in the second blind hole 24, concrete, water first passes into from the first water inlet 45 of the second water inlet pipe 51, until flow in the second blind hole 24, pressure is applied because the external world passes into water always, the water flowed in the second blind hole 24 refluxes from the second backwater road 53 formed between the second water inlet pipe 51 and the second return pipe 52 until flow out from the second delivery port 56 of the second return pipe 52, thus go into a circulating cooling process to rear pin 22, and then can effectively lower the temperature to rear pin 22, ensure the equalized temperature of whole die casting, avoid the situation occurring that local temperature is too high, the quality of product effectively can be improved while preventing that rear pin 22 is overheated and causing fracture.
In the present embodiment, the second internal thread 25 is provided with in described second blind hole 24, second return pipe 52 is outside equipped with the second external screw thread 54, second internal thread 25 and the second external screw thread 54 are spirally connected and the second return pipe 52 are connected with rear pin 22, be threaded connection and can guarantee that the second return pipe 52 is connected with rear pin 22, and then the installation completed the second fortune water circle device 50, install simple and convenient.
The remainder of the present embodiment is identical with embodiment one, in the present embodiment unaccounted feature, all adopts the explanation of embodiment one, no longer repeats here.
Known the present invention has above-described good characteristic in sum, is made it in use, promotes in conventional art the usefulness that do not have and has practicality, becoming the product that has practical value.
Above content is only preferred embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (9)
1. a fixed-point type cooling water channel die casting, comprise front template (10), rear pattern plate (20), front cavity (11), rear cavity (21), front cavity (11) is arranged at front template (10), rear cavity (21) is arranged at rear pattern plate (20), when front template (10) and rear pattern plate (20) matched moulds, the die cavity of front cavity (11) and the die cavity of rear cavity (21) are merged into a cast die cavity (30), it is characterized in that: described front cavity (11) is provided with front pin (12), front template (10) offers the first water pipe channel (13) corresponding to the position of front pin (12), the first blind hole (14) is offered in front pin (12), first blind hole (14) is communicated with the first water pipe channel (13), be internally connected with in the first water pipe channel (13) and the first blind hole (14) that are communicated with and in the first blind hole (14), first transport water circle device (40) for passing into water.
2. a kind of fixed-point type cooling water channel die casting according to claim 1, it is characterized in that: described first fortune water circle device (40) comprises the first water inlet pipe (41) and the first return pipe (42), first water inlet pipe (41) is arranged in the inside of the first return pipe (42), the part of the first water inlet pipe (41) stretches out the first return pipe (42) outward, the first backwater road (43) is formed between first water inlet pipe (41) and the first return pipe (42), first return pipe (42) inserts in the first water pipe channel (13), stretch out the first return pipe (42) part first water inlet pipe (41) outward to stretch in the first blind hole (14).
3. a kind of fixed-point type cooling water channel die casting according to claim 2, it is characterized in that: in described first blind hole (14), be provided with the first internal thread (15), first return pipe (42) is outside equipped with the first external screw thread (44), and the first internal thread (15) and the first external screw thread (44) are spirally connected and the first return pipe (42) is connected with front pin (12).
4. a kind of fixed-point type cooling water channel die casting according to claim 1, it is characterized in that: described rear cavity (21) is provided with the rear pin (22) corresponding with front pin (12) position, rear pattern plate (20) offers the second water pipe channel (23) corresponding to the position of rear pin (22), the second blind hole (24) is offered in rear pin (22), second blind hole (24) is communicated with the second water pipe channel (23), be internally connected with in the second water pipe channel (23) and the second blind hole (24) that are communicated with and in the second blind hole (24), second transport water circle device (50) for passing into water.
5. a kind of fixed-point type cooling water channel die casting according to claim 4, it is characterized in that: described second fortune water circle device (50) comprises the second water inlet pipe (51) and the second return pipe (52), second water inlet pipe (51) is arranged in the inside of the second return pipe (52), the part of the second water inlet pipe (51) stretches out the second return pipe (52) outward, the second backwater road (53) is formed between second water inlet pipe (51) and the second return pipe (52), second return pipe (52) inserts in the second water pipe channel (23), part second water inlet pipe (51) stretching out the second return pipe (52) stretches in the second blind hole (24).
6. a kind of fixed-point type cooling water channel die casting according to claim 5, it is characterized in that: in described second blind hole (24), be provided with the second internal thread (25), second return pipe (52) is outside equipped with the second external screw thread (54), and the second internal thread (25) and the second external screw thread (54) are spirally connected and the second return pipe (52) is connected with rear pin (22).
7. a kind of fixed-point type cooling water channel die casting according to claim 1, it is characterized in that: the diagonal angle place of described front template (10) is symmetrically arranged with guide pillar (16), rear pattern plate (20) is provided with the guide pin bushing (26) cooperatively interacted with guide pillar (16).
8. a kind of fixed-point type cooling water channel die casting according to claim 1, it is characterized in that: described rear pattern plate (20) is provided with thimble (60), the top of thimble (60) is arranged in rear cavity (21) and stretches into the bottom of cast die cavity (30), and the bottom of thimble (60) is connected with thimble panel (61) for fixing thimble (60) and Ejector Retainer Plate (62).
9. a kind of fixed-point type cooling water channel die casting according to claim 1 ~ 8 any one, is characterized in that: the bottom of described rear pattern plate (20) is provided with the mould pin (70) for supporting rear pattern plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410823587.6A CN104439154A (en) | 2014-12-26 | 2014-12-26 | Fixed point type cooling water channel die-casting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410823587.6A CN104439154A (en) | 2014-12-26 | 2014-12-26 | Fixed point type cooling water channel die-casting mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104439154A true CN104439154A (en) | 2015-03-25 |
Family
ID=52886345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410823587.6A Withdrawn CN104439154A (en) | 2014-12-26 | 2014-12-26 | Fixed point type cooling water channel die-casting mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104439154A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105014039A (en) * | 2015-08-25 | 2015-11-04 | 东莞市东升压铸模具有限公司 | Die-casting die capable of improving sand hole distribution, die-casting process and sand-hole-free product obtaining method |
| CN105750524A (en) * | 2016-04-29 | 2016-07-13 | 宁波臻至机械模具有限公司 | Casting die of wet type gearbox |
| CN106914605A (en) * | 2017-05-04 | 2017-07-04 | 佛山市南海奔达模具有限公司 | For the cooling body on casting mould |
| CN108621391A (en) * | 2018-04-11 | 2018-10-09 | 常州星宇车灯股份有限公司 | A kind of pin for injection mold |
| CN109047709A (en) * | 2018-08-22 | 2018-12-21 | 苏州广型模具有限公司 | A kind of die casting with novel cooling fortune water |
| CN109693342A (en) * | 2018-12-17 | 2019-04-30 | 中山市恒滨实业有限公司 | A kind of pin construction that jet pipe is cooling and the assembling structure using it |
| CN109759558A (en) * | 2018-12-14 | 2019-05-17 | 珠海市润星泰电器有限公司 | A kind of the die point device for cooling and its application method of balancing die temperatures |
| CN112296308A (en) * | 2020-10-27 | 2021-02-02 | 佛山市和阳精密金属制品有限公司 | Die-casting die |
| WO2022126928A1 (en) * | 2020-12-18 | 2022-06-23 | 苏州广型模具有限公司 | Lightweight motor housing die-casting mold |
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| CN103658592A (en) * | 2013-12-05 | 2014-03-26 | 重庆顺多利机车有限责任公司 | Die-casting die mold core cooling structure |
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| JPH06262295A (en) * | 1993-03-16 | 1994-09-20 | Nissan Motor Co Ltd | Structure for locally cooling metallic mold for casting |
| JPH09323149A (en) * | 1996-06-03 | 1997-12-16 | Honda Motor Co Ltd | Structure of pin for hole as cast in die for casting |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105014039A (en) * | 2015-08-25 | 2015-11-04 | 东莞市东升压铸模具有限公司 | Die-casting die capable of improving sand hole distribution, die-casting process and sand-hole-free product obtaining method |
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| CN105750524A (en) * | 2016-04-29 | 2016-07-13 | 宁波臻至机械模具有限公司 | Casting die of wet type gearbox |
| CN106914605A (en) * | 2017-05-04 | 2017-07-04 | 佛山市南海奔达模具有限公司 | For the cooling body on casting mould |
| CN108621391A (en) * | 2018-04-11 | 2018-10-09 | 常州星宇车灯股份有限公司 | A kind of pin for injection mold |
| CN109047709A (en) * | 2018-08-22 | 2018-12-21 | 苏州广型模具有限公司 | A kind of die casting with novel cooling fortune water |
| CN109759558A (en) * | 2018-12-14 | 2019-05-17 | 珠海市润星泰电器有限公司 | A kind of the die point device for cooling and its application method of balancing die temperatures |
| CN109759558B (en) * | 2018-12-14 | 2020-12-25 | 珠海市润星泰电器有限公司 | Mold spot cooling device for balancing mold temperature and using method thereof |
| CN109693342A (en) * | 2018-12-17 | 2019-04-30 | 中山市恒滨实业有限公司 | A kind of pin construction that jet pipe is cooling and the assembling structure using it |
| CN112296308A (en) * | 2020-10-27 | 2021-02-02 | 佛山市和阳精密金属制品有限公司 | Die-casting die |
| WO2022126928A1 (en) * | 2020-12-18 | 2022-06-23 | 苏州广型模具有限公司 | Lightweight motor housing die-casting mold |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20150325 |