CN216578990U - General type injection mold with cold runner - Google Patents
General type injection mold with cold runner Download PDFInfo
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- CN216578990U CN216578990U CN202123305400.8U CN202123305400U CN216578990U CN 216578990 U CN216578990 U CN 216578990U CN 202123305400 U CN202123305400 U CN 202123305400U CN 216578990 U CN216578990 U CN 216578990U
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- cold runner
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Abstract
The utility model discloses a general type injection mold with cold runner, include the bottom plate and fix the support column in bottom plate top four corners, be fixed with the roof between the top of four support columns, the bottom of roof is fixed with the mould of moulding plastics through electric telescopic handle, and the top of bottom plate is fixed with the lower mould of moulding plastics, and the chamber of moulding plastics has all been seted up with the top of the lower mould of moulding plastics to the bottom of the mould of moulding plastics, and the top intercommunication of the mould of moulding plastics has the pipe of moulding plastics that runs through to the roof top, the utility model relates to an injection mold technical field. This general type injection mold with cold runner through the setting of compound die sealing mechanism, can effectively improve the mould of moulding plastics and the leakproofness between the lower mould of moulding plastics, and then effectively prevent the phenomenon of weeping gas leakage from taking place, can improve the production quality of production, through the setting of hydrologic cycle heat conduction mechanism, the heat on the lower mould of moulding plastics is taken away to the mode of being convenient for to utilize rivers to flow, and then can accelerate the cooling efficiency of product, and then accelerate production efficiency.
Description
Technical Field
The utility model relates to an injection mold technical field specifically is a general type injection mold with cold runner.
Background
An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. 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.
The sealing performance of the existing injection mold is general, phenomena such as liquid leakage and air leakage can occur sometimes, the cooling effect is general, and then the forming efficiency of the product is influenced, therefore, the utility model provides a general type injection mold with a cold runner to solve the above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a general type injection mold with cold runner has solved current injection mold sealing performance generally, can appear phenomenons such as weeping gas leakage sometimes, and the cooling effect is general, and then influences the problem of the shaping efficiency of product.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a general type injection mold with cold runner, includes the bottom plate and fixes the support column in bottom plate top four corners, four be fixed with the roof between the top of support column, the bottom of roof is fixed with the mould of moulding plastics through electric telescopic handle, the top of bottom plate is fixed with the lower mould of moulding plastics, the chamber of moulding plastics has all been seted up with the top of the lower mould of moulding plastics to the bottom of the mould of moulding plastics, the top intercommunication of the mould of moulding plastics has the pipe of moulding plastics that runs through to the roof top, mould plastics and be provided with compound die sealing mechanism between the lower mould of moulding plastics, be provided with hydrologic cycle heat conduction mechanism between bottom plate and the lower mould of moulding plastics.
The compound die sealing mechanism is fixed with the mounting box including fixing on the lower mould right side of moulding plastics, the inner wall of mounting box is fixed with the gasbag of aerifing that resets, it is fixed with supporting spring to reset between the top of aerifing the gasbag inner wall and the bottom, sliding connection has the clamp plate between all around of mounting box inner wall, the top of clamp plate is fixed with the depression bar that runs through to the mounting box outside, the right side of the mould of moulding plastics is fixed with the briquetting that uses with the depression bar cooperation, the seal groove has been seted up at the top of the lower mould of moulding plastics, the bottom of the mould of moulding plastics is fixed with uses fretwork inflation sealing strip with the seal groove cooperation, the both sides on gasbag surface are aerifyd in the reseing all communicate have the air guide hose that runs through to the mounting box outside, two the outer end of air guide hose all communicates with the surface of fretwork inflation sealing strip.
Preferably, the water circulation heat conduction mechanism comprises a water tank fixed at the top of the bottom plate, and a cold runner is arranged in the injection molding lower die.
Preferably, a circulating cooling pump is fixed on the right side of the water tank, and a water inlet of the circulating cooling pump is communicated with the right side of the water tank.
Preferably, the water outlet of the circulating cooling pump is communicated with a water inlet pipe, and one end of the water inlet pipe is communicated with one end of the cold runner.
Preferably, the other end of the cold runner is communicated with a water outlet pipe, and one end of the water outlet pipe is communicated with the rear part of the water tank.
Preferably, a condensation pipe is fixedly installed inside the water tank and is located below the water level inside the water tank.
Advantageous effects
The utility model provides a general type injection mold with cold runner. Compared with the prior art, the method has the following beneficial effects:
(1) the universal injection mold with the cold runner comprises a mounting box fixed on the right side of an injection lower mold, a reset inflation air bag fixed on the inner wall of the mounting box, a supporting spring fixed between the top and the bottom of the inner wall of the reset inflation air bag, a pressing plate connected between the periphery of the inner wall of the mounting box in a sliding manner, a pressing rod penetrating to the outside of the mounting box fixed on the top of the pressing plate, a pressing block matched with the pressing rod for use, a sealing groove formed on the top of the injection lower mold, a hollowed-out expansion sealing strip matched with the sealing groove and fixed on the bottom of the injection upper mold, air guide hoses penetrating to the outside of the mounting box and communicated with the two sides of the surface of the reset inflation air bag, the outer ends of the two air guide hoses are communicated with the surface of the hollowed-out expansion sealing strip, and the sealing performance between the injection upper mold and the injection lower mold can be effectively improved through the arrangement of a mold closing sealing mechanism, thereby effectively preventing the occurrence of liquid leakage and air leakage and improving the production quality.
(2) This general type injection mold with cold runner, through at hydrologic cycle heat conduction mechanism including fixing the water tank at the bottom plate top, the cold runner has been seted up to the inside of the lower mould of moulding plastics, the right side of water tank is fixed with the circulative cooling pump of taking out, the water inlet of circulative cooling pump of taking out and the right side intercommunication of water tank, the delivery port intercommunication of circulative cooling pump of taking out has the inlet tube, the one end of inlet tube and the one end intercommunication of cold runner, through hydrologic cycle heat conduction mechanism's setting, be convenient for take away the heat on the lower mould of moulding plastics with the mode that rivers flow, and then can accelerate the cooling efficiency of product, and then accelerate production efficiency.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
fig. 2 is a schematic view of the internal structure of the mounting box of the present invention;
FIG. 3 is a perspective cross-sectional view of the injection molding lower die structure of the present invention;
fig. 4 is a schematic diagram of the internal structure of the water tank of the present invention.
In the figure: 1-bottom plate, 2-support column, 3-top plate, 4-electric telescopic rod, 5-injection upper mold, 6-injection lower mold, 7-injection cavity, 8-injection tube, 9-mold closing sealing mechanism, 91-mounting box, 92-reset inflatable air bag, 93-support spring, 94-pressing plate, 95-pressing rod, 96-pressing block, 97-sealing groove, 98-hollowed expansion sealing strip, 99-air guide hose, 10-water circulation heat conduction mechanism, 101-water tank, 102-cold runner, 103-circulation cooling pump, 104-water inlet tube, 105-water outlet tube and 106-condenser tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a general type injection mold with cold runner, include bottom plate 1 and fix the support column 2 in 1 top four corners of bottom plate, be fixed with roof 3 between the top of four support columns 2, electric telescopic handle 4 is fixed with mould 5 of moulding plastics in the bottom of roof 3, electric telescopic handle 4 controls through control switch with external power source electric connection, bottom plate 1's top is fixed with the lower mould 6 of moulding plastics, mould 5's bottom and the top of the lower mould 6 of moulding plastics have all seted up injection molding chamber 7, mould 5's top intercommunication has the pipe 8 of moulding plastics that runs through to roof 3 top, mould 5 and mould plastics and be provided with compound die sealing mechanism 9 between the lower mould 6, be provided with hydrologic cycle heat conduction mechanism 10 between bottom plate 1 and the lower mould 6 of moulding plastics.
The die assembly sealing mechanism 9 comprises a mounting box 91 fixed on the right side of the injection lower die 6, a resetting inflatable air bag 92 is fixed on the inner wall of the mounting box 91 and can realize automatic resetting, a supporting spring 93 is fixed between the top and the bottom of the inner wall of the resetting inflatable air bag 92, the resetting inflatable air bag 92 is convenient to reset quickly, a pressing plate 94 is connected between the peripheries of the inner wall of the mounting box 91 in a sliding manner, a pressing rod 95 penetrating to the outside of the mounting box 91 is fixed on the top of the pressing plate 94, a pressing block 96 matched with the pressing rod 95 for use is fixed on the right side of the injection upper die 5, a sealing groove 97 is formed in the top of the injection lower die 6, a hollowed-out expansion sealing strip 98 matched with the sealing groove 97 for use is fixed on the bottom of the injection upper die 5, the die assembly sealing mechanism has high temperature resistance and can expand after being filled with gas, air guide hoses 99 penetrating to the outside of the mounting box 91 are communicated with two sides of the surface of the resetting inflatable air bag 92, the outer ends of the two air guide hoses 99 are communicated with the surface of the hollowed-out expansion sealing strip 98.
The water circulation heat conduction mechanism 10 comprises a water tank 101 fixed at the top of the bottom plate 1, a cold runner 102 is arranged in the injection molding lower die 6, a circulation cooling pump 103 is fixed on the right side of the water tank 101, the circulation cooling pump is electrically connected with an external power supply and is controlled by a control switch, a water inlet of the circulation cooling pump 103 is communicated with the right side of the water tank 101, a water outlet of the circulation cooling pump 103 is communicated with a water inlet pipe 104, one end of the water inlet pipe 104 is communicated with one end of the cold runner 102, the other end of the cold runner 102 is communicated with a water outlet pipe 105, one end of the water outlet pipe 105 is communicated with the rear of the water tank 101, a condensation pipe 106 is fixedly arranged in the water tank 101, the condensation pipe 106 is electrically connected with the external power supply and is controlled by the control switch, the water in the water tank 101 can be cooled, and the condensation pipe 106 is located below the water surface in the water tank 101.
And those not described in detail in this specification are well within the skill of those in the art.
When the cooling device works, the electric telescopic rod 4 is started, the electric telescopic rod 4 extends to drive the injection upper die 5 to move downwards and be attached to the injection lower die 6, the pressing block 96 can downwards extrude the pressing rod 95 in the process that the injection upper die 5 moves downwards, the pressing block 94 is further driven to downwards press the resetting inflatable air bag 92, so that gas inside the resetting inflatable air bag 92 enters the hollowed-out expansion sealing strip 98 through the gas guide hose 99, when the pressing block 96 downwards extrudes the pressing rod 95, the hollowed-out expansion sealing strip 98 enters the sealing groove 97, the hollowed-out expansion sealing strip 98 expands along with the gas filling, the sealing is completed by matching with the sealing groove 97, then molten plastic is added into the injection cavity 7 through the injection pipe 8, when cooling molding is needed, the condenser pipe 106 is started to cool water inside the water tank 101, then the circulating cooling pump 103 is started, and the water inside the water tank 101 can be pumped into the cold flow passage 102 through the water inlet pipe 104, the injection molding lower die 6 is rapidly cooled, so that the product is cooled, and then water flows back to the water tank 101 again through the water outlet pipe 105.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a general type injection mold with cold runner, includes bottom plate (1) and fixes support column (2) in bottom plate (1) top four corners, its characterized in that: a top plate (3) is fixed between the top ends of the four support columns (2), an injection upper mold (5) is fixed at the bottom of the top plate (3) through an electric telescopic rod (4), an injection lower mold (6) is fixed at the top of the bottom plate (1), injection cavities (7) are formed in the bottom of the injection upper mold (5) and the top of the injection lower mold (6), an injection pipe (8) penetrating above the top plate (3) is communicated with the top of the injection upper mold (5), a mold closing sealing mechanism (9) is arranged between the injection upper mold (5) and the injection lower mold (6), and a water circulation heat conduction mechanism (10) is arranged between the bottom plate (1) and the injection lower mold (6);
the die assembly sealing mechanism (9) comprises a mounting box (91) fixed on the right side of the injection lower die (6), a reset inflation air bag (92) fixed on the inner wall of the mounting box (91), a supporting spring (93) fixed between the top and the bottom of the inner wall of the reset inflation air bag (92), a pressing plate (94) connected with the periphery of the inner wall of the mounting box (91) in a sliding manner, a pressing rod (95) penetrating to the outside of the mounting box (91) fixed on the top of the pressing plate (94), a pressing block (96) matched with the pressing rod (95) and used fixed on the right side of the injection upper die (5), a sealing groove (97) formed in the top of the injection lower die (6), a hollowed expansion sealing strip (98) matched with the sealing groove (97) and used on the bottom of the injection upper die (5), and air guide hoses (99) penetrating to the outside of the mounting box (91) communicated with the two sides of the surface of the reset inflation air bag (92), the outer ends of the two air guide hoses (99) are communicated with the surface of the hollowed expansion sealing strip (98).
2. The universal injection mold with cold runner of claim 1, wherein: the water circulation heat conduction mechanism (10) comprises a water tank (101) fixed to the top of the bottom plate (1), and a cold runner (102) is formed in the injection molding lower die (6).
3. The universal injection mold with cold runner of claim 2, wherein: and a circulating cooling pump (103) is fixed on the right side of the water tank (101), and a water inlet of the circulating cooling pump (103) is communicated with the right side of the water tank (101).
4. A universal injection mold with cold runner as set forth in claim 3, wherein: the water outlet of the circulating cooling pump (103) is communicated with a water inlet pipe (104), and one end of the water inlet pipe (104) is communicated with one end of the cold runner (102).
5. The universal injection mold with cold runner of claim 2, wherein: the other end of the cold runner (102) is communicated with a water outlet pipe (105), and one end of the water outlet pipe (105) is communicated with the rear part of the water tank (101).
6. The universal injection mold with cold runner of claim 2, wherein: the condenser pipe (106) is fixedly installed in the water tank (101), and the condenser pipe (106) is located below the water level in the water tank (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123305400.8U CN216578990U (en) | 2021-12-27 | 2021-12-27 | General type injection mold with cold runner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123305400.8U CN216578990U (en) | 2021-12-27 | 2021-12-27 | General type injection mold with cold runner |
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| Publication Number | Publication Date |
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| CN216578990U true CN216578990U (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123305400.8U Active CN216578990U (en) | 2021-12-27 | 2021-12-27 | General type injection mold with cold runner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115256874A (en) * | 2022-07-27 | 2022-11-01 | 杭州聚友塑料五金有限公司 | Blow molding system based on multilayer barrier bottle and control method |
| CN115972503A (en) * | 2022-12-02 | 2023-04-18 | 摩创科技(苏州)有限公司 | Injection mold is used in automobile parts production |
-
2021
- 2021-12-27 CN CN202123305400.8U patent/CN216578990U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115256874A (en) * | 2022-07-27 | 2022-11-01 | 杭州聚友塑料五金有限公司 | Blow molding system based on multilayer barrier bottle and control method |
| CN115972503A (en) * | 2022-12-02 | 2023-04-18 | 摩创科技(苏州)有限公司 | Injection mold is used in automobile parts production |
| CN115972503B (en) * | 2022-12-02 | 2023-11-21 | 摩创科技(苏州)有限公司 | Injection mold is used in production of automobile parts |
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