CN111941777A - High efficiency injection mold produces cooling device - Google Patents
High efficiency injection mold produces cooling device Download PDFInfo
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- CN111941777A CN111941777A CN202010809544.8A CN202010809544A CN111941777A CN 111941777 A CN111941777 A CN 111941777A CN 202010809544 A CN202010809544 A CN 202010809544A CN 111941777 A CN111941777 A CN 111941777A
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- cooling
- pipeline
- mold
- injection mold
- connecting end
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- 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
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- 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 invention discloses a high-efficiency cooling device for injection mold production, which comprises a mold body, a cooling liquid conveying pipeline, a lower cooling spiral pipeline, an upper cooling spiral pipeline and a second connecting end of a first connecting end, wherein the mold body comprises a static mold with a lower half cavity arranged at the top and a movable mold with an upper half cavity arranged at the bottom, the cooling liquid conveying pipeline is divided into a liquid conveying pipeline and a return pipeline, the liquid inlet end of the cooling liquid conveying pipeline is communicated with the liquid discharge end of the liquid conveying pipeline through the first connecting end and the second connecting end, the upper cooling spiral pipeline in the movable mold can be communicated with the upper cooling spiral pipeline and the return pipeline of the static mold in a butt joint manner, the mold cavities of the movable mold and the static mold can be simultaneously cooled through a cooling system of the static mold, the cost of cooling equipment is reduced, and the upper cooling spiral pipeline in the movable mold can be communicated with the cooling system of the static mold through the first connecting end and the second connecting end to cool the, the pulling damage of the cooling pipeline is avoided.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to a high-efficiency injection mold production cooling device.
Background
An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.
After traditional injection mold is moulded plastics and is accomplished, need carry the cooling water to circulate around injection mold cavity and flow and cool off injection mold in the injection mold cavity, and at present to quiet mould and movable mould all have the mould of moulding plastics die cavity, because movable mould and quiet mould are not integrative, need separate after the mould cooling of moulding plastics, consequently need set up two sets of cooling system, cool off the injection mold cavity of quiet mould and movable mould respectively, cooling device's cost has been increased, and because the movable mould often needs to be removed, change the position, cause the pulling damage of movable mould cooling system pipeline easily.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the prior art injection mold production cooling device.
Therefore, the invention aims to provide the high-efficiency cooling device for the injection mold production, which can simultaneously cool the injection molding cavities of the static mold and the movable mold through a set of cooling system, reduce the equipment cost and simultaneously avoid the pulling damage of the cooling pipeline of the movable mold.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
a high efficiency injection mold production cooling device, comprising:
the die comprises a die body, a die core and a die core, wherein the die body comprises a static die with a lower half die cavity arranged at the top and a movable die with an upper half die cavity arranged at the bottom;
the cooling liquid conveying pipeline is divided into a liquid conveying pipeline and a return pipeline;
the lower cooling spiral pipeline is spirally wound on the outer wall of the lower half mold cavity, and the liquid inlet end of the lower cooling spiral pipeline is communicated with the liquid discharge end of the liquid conveying pipeline;
an upper cooling spiral pipe spirally surrounding the outer wall of the lower half mold cavity;
the first connecting end is respectively arranged at the liquid discharge end of the lower cooling spiral pipeline and the liquid inlet end of the return pipeline;
the second connecting end heads are respectively arranged at two ends of the upper cooling spiral pipeline;
when the first connecting end is in butt joint with the second connector, the two ends of the upper cooling spiral pipeline are respectively communicated with the lower cooling spiral pipeline and the backflow pipeline, and when the first connecting end is separated from the second connector, the two ends of the upper cooling spiral pipeline are sealed by the second connecting end.
As a preferred scheme of the cooling device for high-efficiency injection mold production, the first connection end comprises a spray head with a liquid discharge port on a side edge and a sealing ring surrounding the outer wall of the spray head;
the second connecting end comprises a clamping cylinder which is communicated with two end parts of the upper cooling spiral pipeline and is provided with a first flow passage and a second flow passage, an elastic piece and a closing plate, wherein one end of the elastic piece is arranged on the top of the inner wall of the first flow passage and is always in a compressed state, and the closing plate is connected with the other end part of the elastic piece;
when the first connecting end and the second connecting end are separated, the sealing plate is pressed against the head end of the first flow channel, the first flow channel and the second flow channel are disconnected, when the first connecting end and the second connecting end are connected, the sealing ring is clamped into the second flow channel, the sealing plate is separated from the head end of the first flow channel, and the spray head enters the first flow channel.
As a preferred scheme of the cooling device for producing the high-efficiency injection mold, the sealing ring is a rubber sealing ring.
As a preferable aspect of the high efficiency injection mold production cooling device according to the present invention, the closing plate includes a metal plate and a rubber sleeve surrounding the metal plate.
As a preferable aspect of the cooling device for high efficiency injection mold production according to the present invention, an inner diameter of the second flow passage is smaller than an inner diameter of the first flow passage.
Compared with the prior art, the invention has the beneficial effects that: through first connection end and second connection end, make the last cooling coil pipe in the movable mould can with the last cooling coil pipe and the backflow pipeline butt joint intercommunication of quiet mould, a cooling system through quiet mould can be to the die cavity simultaneous cooling of movable mould and quiet mould, the cost of cooling arrangement has been reduced, and the last cooling coil pipe in the movable mould can be cooled off or the separation is followed the movable mould and is removed together with the cooling system butt joint of quiet mould to the die cavity through first connection end and second connector, the damage of dragging of cooling line has been avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:
FIG. 1 is a schematic view of a high-efficiency injection mold for producing a cooling device according to the present invention, showing a movable mold connected to a stationary mold;
FIG. 2 is a schematic view showing a state in which a movable mold and a stationary mold of the cooling device for high-efficiency injection mold production according to the present invention are separated;
FIG. 3 is an enlarged view of a portion of the structure of FIG. 1 of a high efficiency cooling apparatus for injection molding tools of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The invention provides a high-efficiency cooling device for injection mold production, which can simultaneously cool injection molding cavities of a static mold and a movable mold through a set of cooling system, thereby reducing the equipment cost and avoiding the pulling damage of a cooling pipeline of the movable mold.
Referring to fig. 1 to 3, which are schematic structural views illustrating an embodiment of a cooling apparatus for high efficiency injection mold production according to the present invention, referring to fig. 1 to 3, a main body of the cooling apparatus for high efficiency injection mold production according to the present embodiment includes a mold body 100, a cooling fluid delivery pipe 200, a lower cooling spiral pipe 300, an upper cooling spiral pipe 400, a first connection end 500, and a second connection end 600.
The mold body 100 comprises a static mold 110 with a lower mold half cavity 110a at the top and a movable mold 120 with an upper mold half cavity 120a at the bottom, wherein the lower mold half cavity 110a and the upper mold half cavity 120a form an injection molding cavity when being butted and closed.
The cooling liquid conveying pipeline 200 is used for conveying constant-temperature cooling water in an external constant-temperature heat exchanger to the lower cooling spiral pipeline 300, making hot water after cooling and heat exchanging flow back to the constant-temperature heat exchanger for replacement, and forming the cooling water through replacement of the constant-temperature heat exchanger again, specifically, the cooling liquid conveying pipeline 200 comprises a liquid conveying pipeline 210 and a return pipeline 220, wherein the liquid conveying pipeline 210 is used for conveying the cooling water in the downward cooling spiral pipeline 300, and the return pipeline 220 is used for making water in the cooling spiral pipeline 400 flow back to the constant-temperature heat exchanger.
A lower cooling spiral pipe 300 is spirally wound around the outer wall of the lower mold half 110a for cooling a part of the mold in the lower mold half 110a, and the liquid inlet end of the lower cooling spiral pipe 300 is communicated with the liquid discharge end of the liquid conveying pipe 210.
An upper cooling coil 400 is helically wound around the outer wall of the lower mold half 110a for cooling a portion of the mold within the upper mold half 120 a.
The first connection end 500 is disposed at the liquid discharge end of the lower cooling spiral pipe 300 and the liquid inlet end of the return pipe 220, and specifically, the first connection end 500 includes a nozzle 510 having a liquid discharge port 510a at a side edge thereof and a sealing ring 520 surrounding an outer wall of the nozzle 510, and preferably, in this embodiment, the sealing ring 520 is a rubber sealing ring.
The second connection terminal 600 is provided at both ends of the upper cooling spiral duct 400, and in particular, the second connection terminal 600 includes a clamping cylinder 610 communicating with both ends of the upper cooling spiral duct 400 and having a first flow passage 610a and a second flow passage 610b, an elastic member 620 having one end provided on the top of the inner wall of the first flow passage 610a and always in a compressed state, and a closing plate 630 connected to the other end of the elastic member 620, and preferably, in the present embodiment, the closing plate 630 includes a metal plate and a rubber sleeve surrounding the metal plate, and the inner diameter of the second flow passage 610b is smaller than the inner diameter of the first flow passage 610 a.
The upper cooling spiral pipe 400 can be communicated with or separated from the lower cooling spiral pipe 300 and the return pipe 220 by the connection and disconnection of the first connection terminal 500 and the second connection terminal 600, so that water conveyed by the liquid conveying pipe 210 can enter the cooling spiral pipe 300 and the upper cooling spiral pipe 400 to cool the lower half die cavity 110a and the upper half die cavity 120a simultaneously, when the movable die 120 moves to be separated from the stationary die 110, the second connection terminal 600 seals both ends of the upper cooling spiral pipe 400, and the upper cooling spiral pipe 400 can move along with the movable die 120.
With reference to fig. 1 to fig. 3, the cooling device for high-efficiency injection mold production according to the present embodiment specifically comprises the following cooling processes: after the movable mold 120 is abutted to the stationary mold 110, the state of the cooling device for high efficiency injection mold production is shown in fig. 1, the sealing ring 520 on the first connecting end 500 is clamped into the second flow passage 610b to seal the second flow passage 610b, the nozzle 510 enters the first flow passage 610a and abuts against the closing plate 630, the elastic member 620 is compressed, both ends of the upper cooling spiral pipe 400 are respectively communicated with the lower cooling spiral pipe 300 and the return pipe 220, when the injection-molded mold needs to be cooled, the cooling water of the external constant temperature heat exchanger firstly enters the lower cooling spiral pipe 300 through the liquid conveying pipe 210 to cool the lower mold half cavity 110a, then flows into the upper cooling spiral pipe 400 to cool the upper mold half cavity 120a, then flows back into the constant temperature heat exchanger through the return pipe 220 to be cooled again, and then is circularly conveyed to cool the injection-molded mold, after the injection mold is cooled, the movable mold 120 is separated from the stationary mold 110, and simultaneously the first connection end 500 is disconnected from the second connection end 600, the closing plate 630 is pressed against the head end of the first flow passage 610a, so that the second connection end 600 closes the two ends of the upper cooling spiral pipe 400, and the liquid in the cooling spiral pipe 400 is prevented from spilling, and at this time, the state of the high-efficiency injection mold for producing the cooling device is shown in fig. 2.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. The utility model provides a high efficiency injection mold produces cooling device which characterized in that includes:
the die comprises a die body (100) and a die body, wherein the die body comprises a static die (110) with a lower half die cavity (110a) arranged at the top and a movable die (120) with an upper half die cavity (120a) arranged at the bottom;
a cooling liquid delivery pipe (200) which is divided into a liquid delivery pipe (210) and a return pipe (220);
a lower cooling spiral pipeline (300) spirally surrounding the outer wall of the lower half mold cavity (110a), and the liquid inlet end of the lower cooling spiral pipeline is communicated with the liquid discharge end of the liquid conveying pipeline (210);
an upper cooling spiral duct (400) spirally surrounding an outer wall of the lower mold half cavity (110 a);
first connection terminals (500) respectively arranged at a liquid discharge end of the lower cooling spiral pipeline (300) and a liquid inlet end of the return pipeline (220);
second connection terminals (600) respectively provided at both ends of the upper cooling spiral pipe (400);
wherein, when first connection end (500) with when second connector (600) dock, go up the both ends of cooling spiral pipeline (400) respectively with cooling spiral pipeline (300) and backflow pipeline (220) intercommunication down, when first connection end (500) with when second connector (600) separate, second connection end (600) will go up the both ends of cooling spiral pipeline (400) and seal.
2. The cooling device for the production of the high-efficiency injection mold according to claim 1, wherein the first connecting end head (500) comprises a spray head (510) provided with a liquid outlet (510a) at the side edge and a sealing ring (520) surrounding the outer wall of the spray head (510);
the second connection terminal (600) includes a clamping cylinder (610) communicating with both ends of the upper cooling spiral duct (400) and having a first flow passage (610a) and a second flow passage (610b), an elastic member (620) having one end disposed on the top of the inner wall of the first flow passage (610a) and always in a compressed state, and a closing plate (630) connected to the other end of the elastic member (620);
when the first connecting end (500) and the second connecting end (600) are separated, the closing plate (630) is pressed against the head end of the first flow channel (610a) to disconnect the first flow channel (610a) and the second flow channel (610b), when the first connecting end (500) and the second connecting end (600) are connected, the sealing ring (520) is clamped into the second flow channel (610b), the closing plate (630) is separated from the head end of the first flow channel (610a), and the spray head (510) enters the first flow channel (610 a).
3. A high efficiency injection mold production cooling apparatus as claimed in claim 2, wherein said seal ring (520) is a rubber seal ring.
4. A high efficiency injection mold production cooling apparatus as claimed in claim 2, wherein said closing plate (630) comprises a metal plate and a rubber sleeve surrounding said metal plate.
5. A high efficiency injection mold production cooling apparatus as claimed in claim 2, wherein said second flow passage (610b) has an inner diameter less than an inner diameter of said first flow passage (610 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010809544.8A CN111941777A (en) | 2020-08-13 | 2020-08-13 | High efficiency injection mold produces cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010809544.8A CN111941777A (en) | 2020-08-13 | 2020-08-13 | High efficiency injection mold produces cooling device |
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| Publication Number | Publication Date |
|---|---|
| CN111941777A true CN111941777A (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010809544.8A Pending CN111941777A (en) | 2020-08-13 | 2020-08-13 | High efficiency injection mold produces cooling device |
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| CN (1) | CN111941777A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114834003A (en) * | 2022-06-01 | 2022-08-02 | 佛山市倍奇模具科技有限公司 | Injection molding mold for household appliance shell |
-
2020
- 2020-08-13 CN CN202010809544.8A patent/CN111941777A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114834003A (en) * | 2022-06-01 | 2022-08-02 | 佛山市倍奇模具科技有限公司 | Injection molding mold for household appliance shell |
| CN114834003B (en) * | 2022-06-01 | 2024-01-23 | 佛山市倍奇模具科技有限公司 | Household electrical appliances casing mould of moulding plastics |
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