CN108381886A - A kind of alternate mould conformal cooling system in cold and hot circuit - Google Patents
A kind of alternate mould conformal cooling system in cold and hot circuit Download PDFInfo
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- CN108381886A CN108381886A CN201810136563.1A CN201810136563A CN108381886A CN 108381886 A CN108381886 A CN 108381886A CN 201810136563 A CN201810136563 A CN 201810136563A CN 108381886 A CN108381886 A CN 108381886A
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- cooling bath
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- 238000001816 cooling Methods 0.000 title claims abstract description 203
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000010992 reflux Methods 0.000 claims abstract description 24
- 239000004033 plastic Substances 0.000 claims abstract description 19
- 229920003023 plastic Polymers 0.000 claims abstract description 19
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 239000002826 coolant Substances 0.000 claims description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 16
- 230000008676 import Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 8
- 238000010146 3D printing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 11
- 239000007788 liquid Substances 0.000 description 9
- 108091006146 Channels Proteins 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 102000010637 Aquaporins Human genes 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 101100521345 Mus musculus Prop1 gene Proteins 0.000 description 3
- 108700017836 Prophet of Pit-1 Proteins 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 108010063290 Aquaporins Proteins 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7312—Construction of heating or cooling fluid flow channels
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of cold and hot alternate mould conformal cooling systems in circuit, belong to mold cooling technology field.Cooling effect is improved while it solves the problems, such as that mold cores how to be made to keep in balance by temperature after cooling.This mould conformal cooling system includes the cooling chamber and cooling core being located in core, there is the influent stream cooling bath in the shape of a spiral and being alternately arranged and reflux cooling bath on the peripheral surface of cooling core, the bottom of cooling core has inlet and outlet, the top of cooling core has connection runner, the water inlet end of influent stream cooling bath has the inlet opening communicated with water inlet, the water outlet of influent stream cooling bath is connected with one end of connection runner, the water inlet end of reflux cooling bath is connected with the other end of connection runner, the water outlet of reflux cooling bath has the apopore communicated with water outlet.This cooling system has higher cooling effect while core is kept in balance by temperature after cooling, can improve the plastic product quality of production.
Description
Technical field
The invention belongs to mold cooling technology fields, are related to a kind of alternate mould conformal cooling system in cold and hot circuit.
Background technology
With the continuous improvement of quality of life and the development of plastics industry, plastic products be used in life, production
Every field generates the continuous improvement to plastic products shape need therewith.The warpage variation degree of plastic products shape becomes
Differentiate one of the major criterion of quality.One of the principal element for restricting plastic product change in shape is exactly to the cold of plastic mould
But.Effective cooling can reduce cooling time, to improve yield;Furthermore uniform cooling can be reduced because heat transfer is uneven
And the residual stress generated to maintain the precision and stability of product size, and then improves product to control product warpage
Quality.
That is, in injection mold, cooling system is its core, the life to the service life, injection-molded item of mold
Producing efficiency and quality all has important influence.Wherein, plastic mould is a kind of for extrusion molding, injection, compression moulding, blowing and low hair
Molding built-up plastics mould is steeped, it includes mainly dynamic model, cover half, and usual dynamic model is equipped with core, and cover half is equipped with cavity.
In existing design, the cooling water channel of injection mold is generally positioned in the mold of installation core or is directly arranged at type at present
In-core, cooling water channel is all completed by machining, and is influenced by current process for machining, and cooling water channel is mostly horizontal, longitudinal vertical
The logical structure of direct connection, distribution form is single, and water route distribution is loose, and for the plastic mould of complex appearance, using this side
Formula is unable to reach the uniform cooling to mold each point, cools down less than or is subcooled due to being locally easy, makes the residual stress of product
Greatly, physical property is poor, deforms also larger after finished product, influences plastic part quality.
Invention content
The purpose of the present invention is there is the above problem in view of the prior art, it is proposed that a kind of cold and hot alternate mold in circuit
Conformal cooling system, present invention solves the technical problem that being that how to make mold cores keep in balance by temperature after cooling same
Shi Tigao cooling effects.
Object of the invention can be realized by the following technical scheme:A kind of alternate mould conformal cooling system in cold and hot circuit
System, the mold include dynamic model and the core that is fixed on dynamic model, which is characterized in that the mould conformal cooling system includes opening
The cooling chamber that is located in core and it is embedded the cooling core in cooling chamber and being in the form of a column, had on the peripheral surface of the cooling core
The influent stream cooling bath and reflux cooling bath for having in the shape of a spiral and being alternately arranged, the bottom of the cooling core have water inlet and go out
The mouth of a river, the top of the cooling core have a connection runner, and the water inlet end of the influent stream cooling bath has to be communicated with water inlet
Inlet opening, the water outlet of the influent stream cooling bath are connected with one end of connection runner, the water inlet end of the reflux cooling bath with
The other end of connection runner is connected, and the water outlet of the reflux cooling bath has the apopore communicated with water outlet, described cold
But the inner surface of chamber surrounds to form coolant flow channel with influent stream cooling bath and reflux cooling bath respectively.
It is different from the prior art, the operation principle of this mould conformal cooling system is as follows:By in the periphery of cooling core
The influent stream cooling bath and reflux cooling bath for designing in the shape of a spiral and being alternately arranged on face, and the two is connected by being connected to runner,
And it is communicated respectively with inlet and outlet;When core needs cooling, coolant liquid is first flowed into influent stream cooling bath by water inlet
Inlet opening in, using influent stream cooling bath be flowed into connection runner in, reflux cooling bath is then flowed back by connection runner again
Interior, apopore of the last coolant liquid through the cooling bath that flows back is flowed out from water outlet;During this coolant flow, due to coolant liquid
The partial heat of cooling core has been taken away when surrounding the coolant flow channel to be formed with cooling chamber by influent stream cooling bath,
At this point, flowing into temperature of the temperature higher than coolant liquid in influent stream cooling bath of coolant liquid in reflux cooling bath, that is to say, that by with
Upper design, forms the coolant flow channel of two hot and cold alternations arrangement on the peripheral surface of cooling core, and two coolant flow channels can be with
Into trip temperature complementation, excessive or very few position can be absorbed to cooling core amount of localized heat and carries out temperature-compensating, to make
It obtains core to keep in balance by temperature after cooling, reduces the residual stress that plastic products are generated because heat transfer is uneven, from
And product warpage is controlled, to maintain the precision and stability of product size, and then improve the quality of product;Meanwhile this system
In influent stream cooling bath and the screw pitch and sectional area of reflux cooling bath can be changed according to core shape, to preferably
Meet the requirement that core needs temperature to keep in balance after supercooling;In addition, by this cooling system designed above, by into
Stream cooling bath and the cooling bath that flows back surround the two-way dual Compound cooling for the coolant flow channel to be formed with cooling inner cavity surface respectively, also
Cooling effect can be improved while keeping core cooling temperature to keep in balance;Certainly, it in this cooling system, is flowed due to cooling
Road is that the inner surface of cooling chamber is surrounded and to be formed with influent stream cooling bath and reflux cooling bath respectively, that is to say, that coolant liquid and type
Core is in direct contact, and double helix cooling bath designs, and contact area is big, can further increase cooling effect.
In the above-mentioned alternate mould conformal cooling system in cold and hot circuit, there is connection to flow at the top of the cooling core
Slot, the connection runner are formed by the bottom of cooling chamber with being connected to chute and surround, the water outlet of the influent stream cooling bath be connected to
One end of chute is connected, and the water inlet end of the reflux cooling bath is connected with the other end of connection chute.By above to even
The design of passage flow duct so that the bottom that coolant liquid can be directly with cooling chamber in cooling core is in direct contact, and can be improved in this way
Cooling effect at the top of cooling core.
In the above-mentioned alternate mould conformal cooling system in cold and hot circuit, the connection chute moves towards S-shaped.Pass through
The shape for being connected to chute is designed above, cooling path can be extended, to further increase cooling effect.
In the above-mentioned alternate mould conformal cooling system in cold and hot circuit, the influent stream cooling bath and the cooling bath that flows back
The equal semicircular in shape in section.In the case of identical circulation, coolant liquid and type can be made by the semi-circular cross-section designed above
The area of core contact is maximum, to be conducive to improve cooling effect.
In the above-mentioned alternate mould conformal cooling system in cold and hot circuit, there is annular cavity on the dynamic model, it is described
The bottom that core is connected in annular cavity by screw and the bottom of cooling core is made to be close to annular cavity, on the dynamic model also
There is the import communicated with intake tunnel with intake tunnel and exhalant canal, on the bottom of the annular cavity and lead to water outlet
The outlet that road communicates, the import is communicated with water inlet face and bore is identical, and the outlet is communicated with water outlet face and mouth
Diameter is identical, and the outer circumferential of the inlet and outlet all has a ring annular groove, and small sealing is embedded in the annular groove
Circle.By the above design of Sealing Structure, the seal request at cooling core inlet and outlet can be met well.
In the above-mentioned alternate mould conformal cooling system in cold and hot circuit, it is located at the annular of the cooling core peripheral side
There is the sealed groove of a circle in a ring on cavity bottom, large sealing packing ring, the large sealing packing ring are embedded in the sealed groove
Compression is resisted against on the bottom of core.By the above Seal Design, the sealing of cooling core peripheral side can be further increased, is kept away
Exempt from coolant liquid to ooze out from there.
In the above-mentioned alternate mould conformal cooling system in cold and hot circuit, two are at least embedded in the cooling core
The guide post extended from the top of cooling core to bottom, the guide post penetrates at the top of cooling core and part is pierced by cooling
The bottom of fuse, the bottom of the annular cavity has is oriented to jack, the guide post correspondingly with guide post traversing through end
Traversing through end be plugged in the guiding jack.By designing above, the installation for cooling core and core assembly provides
Positioning, finds accurately with the inlet and outlet on dynamic model convenient for inlet and outlet on cooling core and is aligned installation;Meanwhile it above-mentioned leading
To column using the above design, can also play the role of reinforcing cooling core structural strength.
In the above-mentioned alternate mould conformal cooling system in cold and hot circuit, the cooling core is described cold in pyramidal
But radially arranged reinforcing prop one and reinforcing prop two are embedded in fuse, the reinforcing prop one and about two reinforcing props interlock cloth
It sets.By designing above, the overall construction intensity of cooling core can be reinforced.
In the above-mentioned alternate mould conformal cooling system in cold and hot circuit, the cooling core is using 3D printing technique
The plastic part of manufacture.Using above-mentioned technology so that the design space of each runner of cooling core is big, can carry out as needed flexibly
Adjustment, and it is easily manufactured;Also, plastic part plug is reliable in the cooling chamber interior sealing of core, easy for installation.
Compared with prior art, this cold and hot alternate mould conformal cooling system in circuit has the following advantages:
1, this cooling system uses 3D printing technique, can design profile-followed water route shape according to the shape of product, not passed
Machining technique of uniting limits, and the design of cooling circuit arrangement can reach optimal design, easily manufactured, and manufacturing cost is low;
2, the coolant flow channel arranged by designing two hot and cold alternations so that core can be kept by temperature after cooling
Have higher cooling effect while balanced, the temperature difference of mold cores surface modes temperature can be reduced, improves filling for plastic melt
Effect is filled out, the residual stress that plastic products are generated because heat transfer is uneven is reduced, to substantially increase the quality of product;
3, by this cooling system, can meet well plastic product filled in high speed injection molding technique it is rapid and
It is uniform to require.
Description of the drawings
Fig. 1 is the configuration schematic diagram of this mold.
Fig. 2 is the structural schematic diagram one of cooling core in this mould conformal cooling system.
Fig. 3 is the structural schematic diagram two of cooling core in this mould conformal cooling system.
Fig. 4 is the structural schematic diagram three of cooling core in this mould conformal cooling system.
Fig. 5 is the arrangement schematic diagram of reinforcer in this cooling core.
Fig. 6 is the structural schematic diagram of dynamic model in this mold.
In figure, 1, dynamic model;11, annular cavity;111, annular groove;112, sealed groove;113, it is oriented to jack;1a, into
Aquaporin;1a1, import;1b, exhalant canal;1b1, outlet;2, core;2a, cooling chamber;3, cooling core;31, influent stream cools down
Slot;311, inlet opening;32, flow back cooling bath;321, apopore;33, it is connected to chute;3a, water inlet;3b, water outlet;4, spiral shell
Nail;5, small sealing ring;6, large sealing packing ring;7, guide post;8, reinforcing prop one;9, reinforcing prop two.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Specifically, as shown in Figure 1, this mold includes dynamic model 1 and the core 2 that is fixed on dynamic model 1, this cold and hot circuit is handed over
The mould conformal cooling system replaced includes the cooling chamber 2a being opened in core 2 and is embedded in cooling chamber 2a and is in pyramidal
Cooling core 3, cooling core 3 are the plastic part manufactured using 3D printing technique.Wherein, as shown in Figure 2, Figure 3 and Figure 4, cooling
There is the influent stream cooling bath 31 in the shape of a spiral and being alternately arranged and reflux cooling bath 32, influent stream cooling bath on the peripheral surface of fuse 3
31 and reflux cooling bath 32 the equal semicircular in shape in section.The bottom of cooling core 3 has water inlet 3a and water outlet 3b, cooling core
There is connection chute 33, connection chute 33 to move towards S-shaped at the top of son 3.The bottom of cooling chamber 2a is surrounded with chute 33 is connected to
Form connection runner.The water inlet end of influent stream cooling bath 31 has the inlet opening 311 communicated with water inlet 3a, influent stream cooling bath 31
Water outlet is connected with one end of connection chute 33, and the water inlet end for the cooling bath 32 that flows back is connected with the other end of connection chute 33
Logical, the water outlet of reflux cooling bath 32 has an apopore 321 communicated with water outlet 3b, the inner surface of cooling chamber 2a respectively with into
Stream cooling bath 31 and reflux cooling bath 32 surround to form coolant flow channel.
Preferably, prolonging from the top of cooling core 3 to bottom as shown in figure 5, being at least embedded with two in cooling core 3
The guide post 7 stretched, guide post 7 penetrate at the top of cooling core and are partly pierced by the bottom of cooling core 3, the bottom of annular cavity 11
Portion has is oriented to jack 113 correspondingly with 7 traversing through end of guide post, and the traversing through end of guide post 7, which is plugged in, is oriented to jack 113
It is interior.Radially arranged reinforcing prop 1 and reinforcing prop 29, reinforcing prop 1 and about 29 reinforcing prop are embedded in cooling core 3
Interlaced arrangement.
As shown in fig. 6, having annular cavity 11 on dynamic model 1, core 2 is connected in annular cavity 11 and is made by screw 4
It is close to the bottom of annular cavity 11, also there is intake tunnel 1a and exhalant canal 1b, annular on dynamic model 1 in the bottom of cooling core 3
There is the import 1a1 communicated with intake tunnel 1a and the outlet 1b1 communicated with exhalant canal 1b, import on the bottom of cavity 11
1a1 is communicated with water inlet 3a faces and bore is identical, and outlet 1b1 is communicated and bore is identical with water outlet 3b faces, import 1a1 with
The outer circumferential of outlet 1b1 all has a ring annular groove 111, and small sealing ring 5 is embedded in annular groove 111.Positioned at cooling
There is the sealed groove 112 of a circle in a ring on 11 bottom of annular cavity of 3 peripheral side of fuse, be embedded in sealed groove 112
Large sealing packing ring 6, the compression of large sealing packing ring 6 are resisted against on the bottom of core 2.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although dynamic model 1 is used more herein, annular cavity 11, annular groove 111, sealed groove 112, is oriented to jack
113, intake tunnel 1a, import 1a1, exhalant canal 1b, outlet 1b1, core 2, cooling chamber 2a, cooling core 3, influent stream cooling bath
31, inlet opening 311, reflux cooling bath 32, apopore 321, connection chute 33, water inlet 3a, water outlet 3b, screw 4, small sealing
The terms such as circle 5, large sealing packing ring 6, guide post 7, reinforcing prop 1, reinforcing prop 29, but the possibility using other terms is not precluded
Property.The use of these items is only for more easily describe and explain the essence of the present invention;It is construed as any type
Additional limitation is all disagreed with spirit of that invention.
Claims (9)
1. a kind of alternate mould conformal cooling system in cold and hot circuit, the mold include dynamic model (1) and are fixed on dynamic model (1)
Core (2), which is characterized in that the mould conformal cooling system includes being opened in cooling chamber (2a) in core (2) and embedding
Be located at the cooling core (3) in cooling chamber (2a) and being in the form of a column, have on the peripheral surface of the cooling core (3) in the shape of a spiral and
The influent stream cooling bath (31) and reflux cooling bath (32) being alternately arranged, the bottom of the cooling core (3) have water inlet (3a)
With the top of water outlet (3b), the cooling core (3) there is connection runner, the water inlet end of the influent stream cooling bath (31) to have
The water outlet of the inlet opening (311) communicated with water inlet (3a), the influent stream cooling bath (31) is connected with one end of connection runner
Logical, the water inlet end of the reflux cooling bath (32) is connected with the other end of connection runner, and reflux cooling bath (32) goes out
Water end (W.E.) has the apopore (321) that is communicated with water outlet (3b), the inner surface of the cooling chamber (2a) respectively with influent stream cooling bath
(31) and reflux cooling bath (32) surrounds to form coolant flow channel.
2. the alternate mould conformal cooling system in cold and hot circuit according to claim 1, which is characterized in that the cooling core
There is connection chute (33), the connection runner to be surrounded by the bottom of cooling chamber (2a) with chute (33) is connected at the top of sub (3)
It is formed, the water outlet of the influent stream cooling bath (31) is connected with one end of connection chute (33), the reflux cooling bath (32)
Water inlet end with connection chute (33) the other end be connected.
3. the alternate mould conformal cooling system in cold and hot circuit according to claim 2, which is characterized in that the connection stream
Slot (33) moves towards S-shaped.
4. the alternate mould conformal cooling system in cold and hot circuit according to claim 1 or 2 or 3, which is characterized in that described
The equal semicircular in shape in section of influent stream cooling bath (31) and reflux cooling bath (32).
5. the alternate mould conformal cooling system in cold and hot circuit according to claim 1 or 2 or 3, which is characterized in that described
There is annular cavity (11), the core (2) to be connected in annular cavity (11) by screw (4) and make cooling on dynamic model (1)
It is close to the bottom of annular cavity (11), also there is intake tunnel (1a) and exhalant canal on the dynamic model (1) in the bottom of fuse (3)
(1b) has the import (1a1) communicated with intake tunnel (1a) and and exhalant canal on the bottom of the annular cavity (11)
The outlet (1b1) that (1b) is communicated, the import (1a1) is communicated with water inlet (3a) face and bore is identical, the outlet (1b1)
It is communicated with water outlet (3b) face and bore is identical, the import (1a1) and the outer circumferential for exporting (1b1) all have a ring
Connected in star (111), the annular groove (111) is interior to be embedded with small sealing ring (5).
6. the alternate mould conformal cooling system in cold and hot circuit according to claim 5, which is characterized in that be located at described cold
But the sealed groove (112) on annular cavity (11) bottom of fuse (3) peripheral side with a circle in a ring, the sealed groove
(112) large sealing packing ring (6) is embedded in, the large sealing packing ring (6) compresses and is resisted against on the bottom of core (2).
7. the alternate mould conformal cooling system in cold and hot circuit according to claim 5, which is characterized in that the cooling core
At least be embedded with two guide posts (7) extended from the top of cooling core (3) to bottom in sub (3), the guide post (7) from
The bottom of cooling core (3) is penetrated and is partly pierced by the top of cooling core, and the bottom of the annular cavity (11) has and guiding
Column (7) traversing through end is oriented to jack (113) correspondingly, and the traversing through end of the guide post (7) is plugged in the guiding jack
(113) in.
8. the alternate mould conformal cooling system in cold and hot circuit according to claim 1 or 2 or 3, which is characterized in that described
Cooling core (3) is in pyramidal, and radially arranged reinforcing prop one (8) and reinforcing prop two are embedded in the cooling core (3)
(9), the reinforcing prop one (8) and reinforcing prop two (9) interlaced arrangement up and down.
9. the alternate mould conformal cooling system in cold and hot circuit according to claim 1 or 2 or 3, which is characterized in that described
Cooling core (3) is the plastic part manufactured using 3D printing technique.
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CN201810136563.1A CN108381886B (en) | 2018-02-09 | 2018-02-09 | Mould of cold and hot return circuit is alternative is along with shape cooling system |
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CN201810136563.1A CN108381886B (en) | 2018-02-09 | 2018-02-09 | Mould of cold and hot return circuit is alternative is along with shape cooling system |
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Cited By (5)
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CN108907143A (en) * | 2018-08-14 | 2018-11-30 | 上海皮尔博格有色零部件有限公司 | A kind of die casting mold structure |
CN110081770A (en) * | 2019-04-30 | 2019-08-02 | 赖振龙 | A kind of closed reverse-flow type firearms barrel cooling system based on helical blade |
CN110108069A (en) * | 2019-06-05 | 2019-08-09 | 重庆冰兴科技有限公司 | A kind of frequency conversion type high-efficiency and energy-saving type slice ice machine |
CN111112610A (en) * | 2019-12-21 | 2020-05-08 | 佛山宇仁智能科技有限公司 | Material increase swivel work head with circulative cooling function |
EP4274724A4 (en) * | 2021-02-02 | 2024-07-31 | Essentium Ipco Llc | Extrusion die including a mandrel |
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Effective date of registration: 20240709 Address after: No. 58 Jianye Road, Xinqian Street, Huangyan District, Taizhou City, Zhejiang Province, 318020 Patentee after: TAIZHOU HUANGYAN XINGTAI PLASTIC MOLD CO.,LTD. Country or region after: China Address before: 318000 No. 788, Jiaojiang, Taizhou District, Zhejiang, Xueyuan Road Patentee before: TAIZHOU VOCATIONAL & TECHNICAL College Country or region before: China |