CN116653245A - Plastic mold cooling device and plastic mold cooling method - Google Patents
Plastic mold cooling device and plastic mold cooling method Download PDFInfo
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- CN116653245A CN116653245A CN202310567283.7A CN202310567283A CN116653245A CN 116653245 A CN116653245 A CN 116653245A CN 202310567283 A CN202310567283 A CN 202310567283A CN 116653245 A CN116653245 A CN 116653245A
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- 238000001816 cooling Methods 0.000 title claims abstract description 160
- 229920003023 plastic Polymers 0.000 title claims abstract description 61
- 239000004033 plastic Substances 0.000 title claims abstract description 61
- 239000000498 cooling water Substances 0.000 claims abstract description 104
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 230000000694 effects Effects 0.000 claims abstract description 16
- 238000003912 environmental pollution Methods 0.000 claims abstract description 8
- 239000002341 toxic gas Substances 0.000 claims description 50
- 238000003756 stirring Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 12
- 238000009826 distribution Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 11
- 238000001746 injection moulding Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- 231100000614 poison Toxicity 0.000 abstract description 2
- 230000007096 poisonous effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 231100000419 toxicity Toxicity 0.000 description 3
- 230000001988 toxicity Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000009692 water atomization 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
-
- 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
- B29C45/7337—Heating or cooling of the mould using gas or steam
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a plastic mold cooling device and a plastic mold cooling method, and belongs to the technical field of plastic mold cooling devices. The utility model provides a plastic mould cooling device, includes the mounting bracket and installs the controller at its side surface, and the top of mounting bracket corresponds and is provided with back mould and front mould, and the inside of back mould is provided with a plurality of cooling runner, and one side of back mould is provided with the reposition of redundant personnel box, and the lateral surface of reposition of redundant personnel box is provided with the water inlet, and the another side of back mould is provided with out water box. This plastic mould cooling device has avoided cooling water circulation for a long time the circumstances that leads to radiating efficiency and radiating effect reduce for plastic product in the mould can be more rapid, more abundant by the cooling, and prevented just that the higher inconvenient collection that leads to of mould product temperature from, avoided the environmental pollution that poisonous gas got into the air and caused in addition, increased cooling water's cooling effect and utilization ratio, prevented because the emergence of scale deposit jam cooling water flow path condition.
Description
Technical Field
The invention relates to the technical field of plastic mold cooling devices, in particular to a plastic mold cooling device and a plastic mold cooling method.
Background
The plastic mould is a kind of combined mould for compression moulding, extrusion moulding, injection, blow moulding and low foaming moulding, the mould is convex, concave and the coordinated change of the auxiliary moulding system, can process a series of plastic parts of different shapes and different sizes, in recent years, with the rapid development of the plastic industry and the continuous improvement of the general and engineering plastics in terms of strength and precision, etc., the application range of the plastic products is also expanding, such as the fields of household appliances, instruments, building equipment, automobile industry, daily hardware, etc., the proportion of the plastic products is rapidly increasing, a plastic part with reasonable design can often replace a plurality of traditional metal parts, the trend of the plastic of industrial products and daily products is continuously rising, the cooling device plays an extremely important role in the production of the plastic mould, and the cooling device directly determines the moulding quality of the plastic products.
The existing plastic mold cooling device is characterized in that a cooling water channel is formed in the mold so as to cool a product in a mold cavity, cooling water needs to flow through a long pipeline after entering the mold through a water inlet, the cooling water possibly is heated to the temperature at which the mold cannot be cooled in the process, the cooling water at the tail of the pipeline cannot cool the mold well, the product in the mold cannot be heated uniformly, the quality of the product is affected, in addition, the product is higher in temperature during demolding, the product needs to be cooled for a period of time before being packaged, or the packaging personnel is scalded, a certain toxicity exists in the plastic product, a certain toxic gas is generated when the product is demolded after the plastic product is heated at a high temperature, and the gas is directly discharged into the air to influence the body health of the staff; when the cooling water flows in the cooling flow channel, the cooling water in the middle part can not be in good contact with the inner wall of the cooling flow channel due to the larger diameter of the cooling flow channel, so that the service efficiency of the cooling water is affected; after the front mold and the rear mold are used for a period of time, scaling can be generated due to long-time circulation of cooling water in the high-temperature cooling flow channel, the long-time accumulation of scaling can block the circulation path of the cooling water, the circulation of the cooling water is affected, and the cooling effect of the mold is reduced.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide a plastic mold cooling device and a plastic mold cooling method, which are used for solving the problems in the background art:
the existing plastic mold cooling device is characterized in that a cooling water channel is formed in the mold so as to cool a product in a mold cavity, cooling water needs to flow through a long pipeline after entering the mold through a water inlet, the cooling water possibly is heated to the temperature at which the mold cannot be cooled in the process, the cooling water at the tail of the pipeline cannot cool the mold well, the product in the mold cannot be heated uniformly, the quality of the product is affected, in addition, the product is higher in temperature during demolding, the product needs to be cooled for a period of time before being packaged, or the packaging personnel is scalded, a certain toxicity exists in the plastic product, a certain toxic gas is generated when the product is demolded after the plastic product is heated at a high temperature, and the gas is directly discharged into the air to influence the body health of the staff; when the cooling water flows in the cooling flow channel 12, the cooling water in the middle part can not be in good contact with the inner wall of the cooling flow channel 12 due to the larger diameter of the cooling flow channel 12, so that the service efficiency of the cooling water is affected; after the front mold and the rear mold are used for a period of time, scaling can be generated due to long-time circulation of cooling water in the high-temperature cooling flow channel, the long-time accumulation of scaling can block the circulation path of the cooling water, the circulation of the cooling water is affected, and the cooling effect of the mold is reduced.
2. Technical proposal
The utility model provides a plastic mould cooling device and plastic mould cooling method, includes the mounting bracket and installs the controller at its side surface, the top of mounting bracket corresponds and is provided with back mould and front mould, the inside of back mould is provided with a plurality of cooling runner, a side of back mould is provided with the reposition of redundant personnel box, the lateral surface of reposition of redundant personnel box is provided with the water inlet, the another side of back mould is provided with out water box, the lateral surface of play water box is provided with the outlet pipe, the reposition of redundant personnel box is provided with the cooling box near one side of front mould, the internally mounted of cooling box has the fan body, the one side that goes out water box and is close to the front mould is provided with the box that induced drafts, the internally mounted of box that induced drafts has the air exhauster.
Preferably, the side surface of the mounting frame is provided with an electric telescopic rod connected with the front mould, the rear mould is fixedly connected with the mounting frame, and the top of the rear mould is provided with an injection moulding pipe.
Preferably, the inside of cooling box is provided with the mounting groove, the fan body is installed in the inside of mounting groove, the inside of mounting groove one side cooling box is provided with the air outlet, the internally mounted of air outlet has the shower nozzle with reposition of redundant personnel box intercommunication, be provided with logical groove between air outlet and the mounting groove.
Preferably, a horn-shaped inlet is formed in the suction box on one side of the exhaust fan, and a storage cavity is formed in the suction box on the other side of the suction box.
Preferably, a converging cavity is arranged in the flow distribution box, a flow distribution hole is formed in the flow distribution box on one side of the converging cavity, and a water inlet hole communicated with the flow distribution hole is formed in the rear mold on the outer side of the cooling flow passage.
Preferably, the cooling flow channel is internally and rotatably connected with a rotating shaft, the outer surface of the rotating shaft is provided with a stirring plate, and the surface of the stirring plate is provided with a groove.
Preferably, the rotating shaft is closer to the front mold than the water inlet hole.
Preferably, the draw-in groove has been seted up to the side surface of back mould, the inside rotation of draw-in groove is connected with the closing plate, the top of closing plate is provided with the latch segment, the top of draw-in groove is provided with the buckle with latch segment assorted.
A cooling method of plastic mould comprises the following steps:
s1: after the electric telescopic rod drives the front die and the rear die to be clamped, plastic raw materials are injected into the cavity through the injection molding pipe, when a product is molded in the cavity, cooling water is introduced into the converging cavity through the water inlet, enters a plurality of cooling flow channels through a plurality of diversion holes and water inlet holes, flows out through the water outlet pipe after flowing into the water outlet box from the cooling flow channels, and takes away heat in the rear die while flowing out from the cooling flow channels, so that the product in the cavity can be cooled better;
s2: after the product is molded, the electric telescopic rod drives the front die to be separated from the rear die, and then the product is demolded from the rear die, toxic gas can be generated between the front die and the rear die in the demolding process, and the product can also carry a part of heat, so that the leakage of the toxic gas is reduced, the excessive temperature of the product is avoided, wind energy is generated through a fan body in the cooling box, cooling water in the split box is atomized through the spray head, and the atomized cooling water is blown out by the wind energy, so that the secondary cooling of the product is realized;
s3: toxic gas is blown to one side through wind energy, and the exhaust fan in the air suction box absorbs the toxic gas through the horn-shaped inlet, so that the toxic gas is sucked into the storage cavity, inconvenient collection caused by higher temperature of a just-out-molded product is prevented, and in addition, the collection of the toxic gas is realized through the cooperation of the exhaust fan and the fan body, and the environmental pollution caused by the toxic gas entering the air is avoided
S4: when the cooling water circulates in the cooling flow channel, the stirring plate rotates by the impact force of the water flow, so that the cooling water in the cooling flow channel is sufficiently stirred, and the cooling effect and the utilization rate of the cooling water are increased;
s5: after the front mold and the rear mold are used for a period of time, scaling can be generated due to long-time circulation of cooling water in the high-temperature cooling flow channel, in order to prevent scaling from blocking the circulation path of the cooling water, the locking blocks can be separated from the buckles, and then the sealing plate is removed, so that the cooling flow channel and the water inlet hole can be cleaned, and the condition that the cooling water flow path is blocked due to scaling is prevented.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
1) When the cooling device for the plastic mold is used, cooling water is introduced into the converging cavity through the water inlet, the cooling water enters a plurality of cooling flow channels through a plurality of diversion holes and water inlet holes, the cooling water flows out from the cooling flow channels through the water outlet pipe after flowing into the water outlet box, heat in the rear mold is taken away when the cooling water flows out from the plurality of cooling flow channels, products in the cavity can be cooled better, the circulation time of the cooling water in the mold is reduced through the plurality of cooling flow channels, the situation that the heat dissipation efficiency and the heat dissipation effect caused by long-time circulation of the cooling water are reduced is avoided, a plastic product in the mold can be cooled more rapidly and more fully, toxic gas can be generated between the front mold and the rear mold in the demolding process, the product can also carry a part of heat, in order to reduce leakage of the toxic gas and avoid overhigh product temperature, secondary cooling of the products is realized through the cooling water in the diversion box by the spray head, the wind energy blows the atomized cooling water, and the toxic gas is cooled down to one side through the wind energy, the toxic gas is prevented from being absorbed by the toxic gas through the suction fan in the box, the toxic gas is prevented from being polluted by the toxic gas, and the toxic gas is prevented from being absorbed by the suction fan, and the toxic gas is prevented from being polluted by the air in the air inlet of the suction box, and the toxic gas is prevented from being polluted by the air.
2) When the cooling water circulates in the cooling flow channel, the stirring plate rotates due to the impact force of water flow, so that the cooling water in the cooling flow channel is sufficiently stirred, and the cooling effect and the utilization rate of the cooling water are increased.
3) When the cooling device for the plastic mold is used, after the front mold and the rear mold are used for a period of time, scaling can be generated due to long-time circulation of cooling water in the high-temperature cooling flow channel, in order to prevent scaling from blocking the circulation path of the cooling water, the locking blocks can be separated from the buckles, and then the sealing plate is removed, so that the cooling flow channel and the water inlet hole can be cleaned, and the condition that the cooling water flow channel is blocked by scaling is prevented.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a cooling flow channel structure according to the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 2A;
FIG. 5 is a schematic diagram illustrating the internal analysis of the split box according to the present invention;
FIG. 6 is a schematic diagram illustrating the internal analysis of a cooling box according to the present invention;
FIG. 7 is an enlarged view of a portion of B in FIG. 6;
FIG. 8 is a schematic view illustrating the internal analysis of the water outlet box according to the present invention;
fig. 9 is a schematic view illustrating the internal analysis of the suction box according to the present invention.
The reference numerals in the figures illustrate: 1. a mounting frame; 2. a front mold; 3. a rear mold; 4. injection molding a tube; 5. a cooling box; 6. an air suction box; 7. a water outlet box; 8. a water outlet pipe; 9. a shunt box; 10. a clamping groove; 11. a sealing plate; 12. a cooling flow passage; 13. a rotating shaft; 14. a stirring plate; 15. a groove; 16. a buckle; 17. a locking block; 18. a confluence chamber; 19. a water inlet; 20. a diversion aperture; 21. a mounting groove; 22. a fan body; 23. a through groove; 24. an air outlet; 25. a spray head; 26. a storage chamber; 27. a horn inlet; 28. an exhaust fan; 29. a water inlet hole; 30. a controller; 31. an electric telescopic rod.
Detailed Description
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1:
the cooling water channel is arranged in the die to cool the product in the die cavity, the cooling water needs to flow through a long pipeline after entering the die through the water inlet, the cooling water possibly is heated to the temperature at which the die cannot be cooled in the process, the cooling water at the tail of the pipeline cannot cool the die well, the product in the die cannot be heated uniformly, the quality of the product is affected, in addition, the temperature of the product is higher when the product is demolded, the product needs to be cooled for a period of time before the product is packaged, otherwise, packaging personnel can be scalded, certain toxicity is caused to the plastic product, certain toxic gas can be generated when the product is demolded after the plastic product is heated at a high temperature, and the gas is directly discharged into the air to influence the physical health of the staff.
Referring to fig. 1 to 9, a cooling device for a plastic mold comprises a mounting frame 1 and a controller 30 mounted on a side surface thereof, wherein the controller 30 is a conventional controller in the prior art, the controller 30 is used for controlling the operation of the cooling device for the plastic mold, a rear mold 3 and a front mold 2 are correspondingly arranged at the top of the mounting frame 1, a mold cavity is formed after the rear mold 3 and the front mold 2 are clamped, a product is molded in the mold cavity, a plurality of cooling flow channels 12 are arranged in the rear mold 3, the cooling flow channels 12 are used for cooling water circulation, a split box 9 is arranged on one side surface of the rear mold 3, the split box 9 is used for splitting cooling water, a water inlet 19 is arranged on the outer side surface of the split box 9, the water inlet 19 is connected with external cooling equipment, a water outlet box 7 is arranged on the other side surface of the rear mold 3, a water outlet pipe 8 is arranged on the outer side surface of the water outlet box 7, the water outlet pipe 8 is connected with the external cooling equipment, the cooling box 5 is arranged on one side of the split box 9 close to the front die 2, the fan 22 is arranged in the cooling box 5, the fan 22 rotates to generate wind energy, the air suction box 6 is arranged on one side of the water outlet box 7 close to the front die 2, the air suction box 6 can suck air between the rear die 3 and the front die 2, the air suction fan 28 is arranged in the air suction box 6, the air suction fan 28 is a conventional air suction fan in the prior art, the air suction fan 28 can suck air into the air suction box 6, after the electric telescopic rod 31 drives the front die 2 and the rear die 3 to be clamped, plastic raw materials are injected into a cavity through the injection molding pipe 4, when a product is molded in the cavity, cooling water is introduced into the confluence cavity 18 through the water inlet 19, the cooling water enters the cooling flow channels 12 through the split holes 20 and the water inlet holes 29, and flows out through the water outlet pipe 8 after flowing into the water outlet box 7 from the cooling flow channels 12, the cooling water takes away the heat in the back mould 3 when flowing out from a plurality of cooling runners 12 for the product in the die cavity can be better cooled down, a plurality of cooling runners 12 make the cooling water reduce at the inside circulation time of mould, the circumstances that the radiating efficiency and the radiating effect that have avoided the cooling water to circulate for a long time to lead to reduce, make the plastic product in the mould can be more rapid, more abundant cooled down, after the product shaping, electric telescopic handle 31 drives front mould 2 and breaks away from back mould 3, afterwards the product can produce toxic gas from back mould 3 drawing of patterns in the in-process front mould 2 of drawing of patterns, the product can also carry a part of heat, in order to reduce the revealing of toxic gas and avoid the product temperature too high, fan 22 through cooling box 5 produces the wind energy, rethread shower nozzle 25 is with the cooling water atomization in the reposition of redundant personnel box 9, in order to realize the secondary cooling to the product, and through wind energy with toxic gas to one side blow down, air exhauster 28 in box 6 carries out the toxic gas through loudspeaker shape import 27 and absorbs toxic gas, make the toxic gas absorbed in the process front mould 2 and the toxic gas can carry out some heat, the product can also carry a part of heat, the product temperature is too high to avoid the toxic gas to be polluted in addition, the toxic gas has been avoided the fan to have been stored in the fan 26 has been avoided in the fact that the environmental pollution has been realized, the environmental pollution has been avoided in addition, the environmental pollution has been avoided to have been realized.
As a further aspect of the invention: the side surface mounting of mounting bracket 1 has the electric telescopic handle 31 of being connected with front mould 2, and back mould 3 and mounting bracket 1 fixed connection, and the top of back mould 3 is provided with injection molding pipe 4, and electric telescopic handle 31 is conventional electric telescopic equipment among the prior art, and electric telescopic handle 31 can drive front mould 2 activity in order to realize the compound die, and injection molding pipe 4 is used for injecting raw and other materials into the mould.
As a further aspect of the invention: the inside of cooling box 5 is provided with mounting groove 21, and fan 22 installs in the inside of mounting groove 21, and the internally mounted of mounting groove 21 has the motor that is used for driving fan 22 rotation, and the inside of cooling box 5 is provided with air outlet 24 on one side of mounting groove 21, and air outlet 24's internally mounted has the shower nozzle 25 with reposition of redundant personnel box 9 intercommunication, and shower nozzle 25 atomizes the cooling water in the reposition of redundant personnel box 9, is provided with logical groove 23 between air outlet 24 and the mounting groove 21, and logical groove 23 is used for communicating air outlet 24 with mounting groove 21.
As a further aspect of the invention: the inside of induced draft box 6 is provided with tubaeform import 27 on one side of air exhauster 28, and the inside of induced draft box 6 is provided with storage chamber 26 on the opposite side of induced draft box 6, and tubaeform import 27 is more favorable to the absorption of induced draft box 6 to poisonous gas.
As a further aspect of the invention: the inside of the flow distribution box 9 is provided with a flow distribution cavity 18, the inside of the flow distribution box 9 on one side of the flow distribution cavity 18 is provided with a flow distribution hole 20, and the inside of the rear mold 3 on the outer side of the cooling flow passage 12 is provided with a water inlet hole 29 communicated with the flow distribution hole 20, so that the flow of cooling water into the cooling flow passage 12 is realized.
The invention comprises the following steps: when the cooling device for the plastic mold is used, after the electric telescopic rod 31 drives the front mold 2 and the rear mold 3 to be clamped, plastic raw materials are injected into the cavity through the injection molding pipe 4, when a product is molded in the cavity, cooling water is introduced into the converging cavity 18 through the water inlet 19, enters the cooling flow channels 12 through the plurality of diversion holes 20 and the water inlet 29, flows out from the cooling flow channels 12 into the water outlet box 7 through the water outlet pipe 8, flows out from the plurality of cooling flow channels 12 and takes away heat in the rear mold 3, so that the product in the cavity can be cooled better, the circulation time of the cooling water in the mold is reduced through the plurality of cooling flow channels 12, the condition that the heat dissipation efficiency and the heat dissipation effect are reduced due to long-time circulation of the cooling water is avoided, the plastic product in the mold can be cooled more rapidly and sufficiently, when the product is molded, the electric telescopic rod 31 drives the front mold 2 to separate from the rear mold 3, then the product is demolded from the rear mold 3, toxic gas is generated between the front mold 2 and the rear mold 3 in the demolding process, the product can also carry a part of heat, in order to reduce leakage of the toxic gas and avoid overhigh temperature of the product, fan 22 in cooling box 5 generates wind energy, cooling water in the split box 9 is atomized through the spray head 25, the atomized cooling water is blown out by the wind energy, so as to realize secondary cooling of the product, toxic gas is blown to one side by the wind energy, the exhaust fan 28 in the air suction box 6 absorbs the toxic gas through the trumpet-shaped inlet 27, so that the toxic gas is sucked into the storage cavity 26, inconvenient collection caused by higher temperature of the product just taken out of the mold is prevented, in addition, the collection of the toxic gas is realized through the cooperation of the exhaust fan 28 and the fan 22, avoiding environmental pollution caused by toxic gas entering the air.
Example 2:
when cooling water flows in the cooling runner, because the diameter of the cooling runner is larger, the cooling water in the middle part can not be well contacted with the inner wall of the cooling runner, the outside of the cooling water flowing in the cooling runner is contacted with the inner wall of the cooling runner, the inside of the cooling runner is not contacted with the inner wall of the cooling runner, the cooling water in the cooling runner can not be sufficiently cooled, the outside of the cooling runner is too closely contacted with the cooling runner, the temperature of the cooling runner is increased faster, when the cooling water reaches the same temperature as the mold, the cooling of a product in the mold is influenced, and the use efficiency of the cooling water is reduced.
Referring to fig. 1 to 9, the difference of the basis of the embodiment 1 is that the inside of the cooling runner 12 is rotatably connected with a rotating shaft 13, the outer surface of the rotating shaft 13 is provided with a stirring plate 14, the stirring plate 14 can rotate through the rotating shaft 13, the rotating shaft 13 and the inner wall of the cooling runner 12 rotate through bearings, the surface of the stirring plate 14 is provided with a groove 15, the groove 15 can increase the impact surface of the stirring plate 14 on cooling water, so that the stirring plate 14 rotates more rapidly, the rotating shaft 13 is closer to the front mold 2 than the water inlet 29, so that the stirring plate 14 and the water inlet 29 have a height difference, further, the stirring plate 14 rotates more rapidly, when the cooling water circulates in the cooling runner 12, the stirring plate 14 rotates due to the impact force of water flow, further, the cooling water in the cooling runner 12 is sufficiently stirred, and the cooling effect and the utilization rate of the cooling water are increased.
The invention comprises the following steps: when the cooling device for the plastic mold is used, when cooling water circulates in the cooling flow channel 12, the stirring plate 14 rotates due to the impact force of water flow, so that the cooling water in the cooling flow channel 12 is sufficiently stirred, and the cooling effect and the utilization rate of the cooling water are increased.
Example 3:
after the current mould and the back mould use a period of time, because the cooling water circulates for a long time in the cooling runner of high temperature, can produce the scale deposit, the long-time accumulation of scale deposit can block up the circulation path of cooling water, influences the circulation of cooling water, leads to the cooling effect of mould to reduce and can't cool off even, solves through following scheme.
Referring to fig. 1 to 9, the difference between the bases of the combined embodiments 1 and 2 is that the side surface of the rear mold 3 is provided with a clamping groove 10, the inside of the clamping groove 10 is rotatably connected with a sealing plate 11, the sealing plate 11 is matched with the clamping groove 10 to seal the cooling flow channel 12, the top of the sealing plate 11 is provided with a locking block 17, the top of the clamping groove 10 is provided with a buckle 16 matched with the locking block 17, the locking block 17 is matched with the buckle 16 to fix the sealing plate 11, after the front mold 2 and the rear mold 3 are used for a period of time, scale is generated due to long-time circulation of cooling water in the cooling flow channel 12 at a high temperature, the locking block 17 can be separated from the buckle 16 to prevent the scale from blocking the circulation path of the cooling water, and then the sealing plate 11 can be removed, at this time, the cooling flow channel 12 and the water inlet 29 can be cleaned, and the condition that the cooling flow path is blocked due to the scale is prevented.
The invention comprises the following steps: when the plastic mold cooling device is used, after the front mold 2 and the rear mold 3 are used for a period of time, scaling can be generated due to long-time circulation of cooling water in the high-temperature cooling flow channel 12, the locking block 17 can be separated from the buckle 16 in order to prevent scaling from blocking the circulation path of the cooling water, and then the sealing plate 11 is removed, so that the cooling flow channel 12 and the water inlet hole 29 can be cleaned, and the condition of blocking the cooling water flow path due to scaling is prevented.
A cooling method of plastic mould comprises the following steps:
s1: after the electric telescopic rod 31 drives the front mold 2 and the rear mold 3 to be clamped, plastic raw materials are injected into the cavity through the injection molding pipe 4, when a product is molded in the cavity, cooling water is introduced into the converging cavity 18 through the water inlet 19, enters the cooling flow channels 12 through the plurality of diversion holes 20 and the water inlet 29, flows out through the water outlet pipe 8 after flowing into the water outlet box 7 from the cooling flow channels 12, and takes away heat in the rear mold 3 while flowing out from the plurality of cooling flow channels 12, so that the product in the cavity can be cooled better;
s2: after the product is molded, the electric telescopic rod 31 drives the front mold 2 to be separated from the rear mold 3, then the product is demolded from the rear mold 3, toxic gas is generated between the front mold 2 and the rear mold 3 in the demolding process, and the product also carries a part of heat, so that in order to reduce the leakage of the toxic gas and avoid the overhigh temperature of the product, wind energy is generated through the fan body 22 in the cooling box 5, cooling water in the split box 9 is atomized through the spray head 25, and the atomized cooling water is blown out by the wind energy, so that the secondary cooling of the product is realized;
s3: toxic gas is blown to one side through wind energy, and the exhaust fan 28 in the air suction box 6 absorbs the toxic gas through the trumpet-shaped inlet 27, so that the toxic gas is sucked into the storage cavity 26, inconvenient collection caused by higher temperature of a product just molded is prevented, and in addition, the collection of the toxic gas is realized through the cooperation of the exhaust fan 28 and the fan body 22, and environmental pollution caused by the toxic gas entering the air is avoided;
s4: when the cooling water circulates in the cooling flow channel 12, the stirring plate 14 rotates by the impact force of the water flow, so that the cooling water in the cooling flow channel 12 is sufficiently stirred, and the cooling effect and the utilization rate of the cooling water are increased;
s5: after the front mold 2 and the rear mold 3 are used for a period of time, scaling can be generated due to long-time circulation of cooling water in the high-temperature cooling flow channel 12, in order to prevent scaling from blocking the cooling water flow path, the locking block 17 can be separated from the buckle 16, and then the sealing plate 11 is removed, so that the cooling flow channel 12 and the water inlet 29 can be cleaned, and the condition that the cooling water flow path is blocked due to scaling is prevented.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a plastic mould cooling device, includes mounting bracket (1) and installs at its side surface's controller (30), its characterized in that: the top of mounting bracket (1) corresponds and is provided with back mould (3) and front mould (2), the inside of back mould (3) is provided with a plurality of cooling runner (12), a side of back mould (3) is provided with reposition of redundant personnel box (9), the lateral surface of reposition of redundant personnel box (9) is provided with water inlet (19), the another side of back mould (3) is provided with out water box (7), the lateral surface of out water box (7) is provided with outlet pipe (8), one side that reposition of redundant personnel box (9) are close to front mould (2) is provided with cooling box (5), the internally mounted of cooling box (5) has fan body (22), one side that out water box (7) are close to front mould (2) is provided with box (6) that induced drafts, the internally mounted of box (6) that induced drafts has air exhauster (28).
2. A plastic mold cooling device according to claim 1, wherein: the side surface mounting of mounting bracket (1) has electric telescopic handle (31) of being connected with front mould (2), back mould (3) and mounting bracket (1) fixed connection, the top of back mould (3) is provided with injection molding pipe (4).
3. A plastic mold cooling device according to claim 1, wherein: the inside of cooling box (5) is provided with mounting groove (21), fan body (22) are installed in the inside of mounting groove (21), the inside of mounting groove (21) one side cooling box (5) is provided with air outlet (24), internally mounted of air outlet (24) has shower nozzle (25) with reposition of redundant personnel box (9) intercommunication, be provided with logical groove (23) between air outlet (24) and mounting groove (21).
4. A plastic mold cooling device according to claim 1, wherein: the inside of air suction box (6) on one side of air exhauster (28) is provided with tubaeform import (27), the inside of air suction box (6) on the other side of air suction box (6) is provided with storage chamber (26).
5. A plastic mold cooling device according to claim 1, wherein: the inside of reposition of redundant personnel box (9) is provided with and converges chamber (18), the inside of chamber (18) one side reposition of redundant personnel box (9) has seted up branch flow hole (20), water inlet (29) with branch flow hole (20) intercommunication are seted up to the inside of cooling runner (12) outside rear mould (3).
6. A plastic mold cooling device according to claim 1, wherein: the inside rotation of cooling runner (12) is connected with pivot (13), the surface of pivot (13) is provided with stirring board (14), recess (15) are seted up on the surface of stirring board (14).
7. The plastic mold cooling device of claim 6, wherein: the rotating shaft (13) is closer to the front die (2) than the water inlet hole (29).
8. A plastic mold cooling device according to claim 1, wherein: the side surface of back mould (3) has seted up draw-in groove (10), the inside rotation of draw-in groove (10) is connected with closing plate (11), the top of closing plate (11) is provided with latch segment (17), the top of draw-in groove (10) is provided with buckle (16) with latch segment (17) assorted.
9. A method of cooling a plastic mould, a plastic mould cooling device as claimed in any one of claims 1 to 8, comprising the steps of:
s1: after the electric telescopic rod (31) drives the front die (2) and the rear die (3) to be clamped, plastic raw materials are injected into the cavity through the injection molding pipe (4), when a product is molded in the cavity, cooling water is introduced into the converging cavity (18) through the water inlet (19), enters the cooling flow channels (12) through the plurality of diversion holes (20) and the water inlet (29), flows out through the water outlet pipe (8) after flowing into the water outlet box (7) from the cooling flow channels (12), and simultaneously takes away heat in the rear die (3) when flowing out from the plurality of cooling flow channels (12), so that the product in the cavity can be cooled better;
s2: after the product is molded, the electric telescopic rod (31) drives the front die (2) to be separated from the rear die (3), then the product is demoulded from the rear die (3), toxic gas can be generated between the front die (2) and the rear die (3) in the demoulding process, the product can also carry a part of heat, in order to reduce the leakage of the toxic gas and avoid the overhigh temperature of the product, wind energy is generated through the fan body (22) in the cooling box (5), and then the cooling water in the distribution box (9) is atomized through the spray head (25), and the atomized cooling water is blown out by the wind energy, so that the secondary cooling of the product is realized;
s3: toxic gas is blown to one side through wind energy, and an exhaust fan (28) in an air suction box (6) absorbs the toxic gas through a horn-shaped inlet (27), so that the toxic gas is sucked into a storage cavity (26), inconvenient collection caused by higher temperature of a just-out-molded product is prevented, and in addition, the toxic gas is collected through the cooperation of the exhaust fan (28) and a fan body (22), and environmental pollution caused by the toxic gas entering air is avoided;
s4: when cooling water circulates in the cooling flow channel (12), the stirring plate (14) rotates by the impact force of water flow, so that the cooling water in the cooling flow channel (12) is sufficiently stirred, and the cooling effect and the utilization rate of the cooling water are increased;
s5: after the front mold (2) and the rear mold (3) are used for a period of time, scaling can be generated due to long-time circulation of cooling water in the high-temperature cooling flow channel (12), in order to prevent scaling from blocking a circulation path of the cooling water, the locking block (17) can be separated from the buckle (16), and then the sealing plate (11) is removed, so that the cooling flow channel (12) and the water inlet hole (29) can be cleaned, and the condition that the cooling water flow path is blocked due to scaling is prevented.
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| CN202310567283.7A CN116653245A (en) | 2023-05-18 | 2023-05-18 | Plastic mold cooling device and plastic mold cooling method |
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| CN202310567283.7A CN116653245A (en) | 2023-05-18 | 2023-05-18 | Plastic mold cooling device and plastic mold cooling method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117227120A (en) * | 2023-11-14 | 2023-12-15 | 天鑫精工科技(威海)有限公司 | But recycle's injection molding machine cooling circulating water belt cleaning device |
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