CN213440974U - Cooling mechanism of polymer rubber and plastic injection mold - Google Patents
Cooling mechanism of polymer rubber and plastic injection mold Download PDFInfo
- Publication number
- CN213440974U CN213440974U CN202022110111.1U CN202022110111U CN213440974U CN 213440974 U CN213440974 U CN 213440974U CN 202022110111 U CN202022110111 U CN 202022110111U CN 213440974 U CN213440974 U CN 213440974U
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- Prior art keywords
- cooling
- air
- cavity
- pipeline
- injection mold
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- 238000001816 cooling Methods 0.000 title claims abstract description 100
- 239000004033 plastic Substances 0.000 title claims abstract description 28
- 229920003023 plastic Polymers 0.000 title claims abstract description 28
- 238000002347 injection Methods 0.000 title claims abstract description 22
- 239000007924 injection Substances 0.000 title claims abstract description 22
- 229920000642 polymer Polymers 0.000 title claims abstract description 15
- 238000001746 injection moulding Methods 0.000 claims abstract description 31
- 239000000498 cooling water Substances 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 44
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000465 moulding Methods 0.000 description 13
- 238000009825 accumulation Methods 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 5
- 239000002699 waste material Substances 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The application relates to a polymer rubber and plastic injection mold's cooling body sets up at the terrace die internally, and the inside cavity that is equipped with of boss body has been installed a cooling tube who is used for letting in the cooling water along boss body injection moulding one side in the cavity, and the both ends of cooling tube wear out respectively from the cavity in with the outside of boss body communicate with each other, set up the exhaust hole of a plurality of and cavity in-connection on the lateral wall of boss body. This application has the heat that reduces in the cavity, improves cooling efficiency's effect.
Description
Technical Field
The application relates to the technical field of injection molds, in particular to a cooling mechanism of a polymer rubber and plastic injection mold.
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, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like.
Injection mold need the later stage to cool off the drawing of patterns when moulding plastics, but to heterotypic shaping product cooling drawing of patterns in-process, cooling body can not laminate the pressfitting module comprehensively, leads to local radiating effect not good, can lead to demoulding effect not good enough at last, influences product quality, and current injection mold cooling effect is not good, and the problem that the aforesaid appears is solved along with shape fortune water cooling mechanism to the present urgent need of an injection mold.
SUMMERY OF THE UTILITY MODEL
In order to improve the cooling efficiency to injection mold, this application provides a polymer rubber and plastic injection mold's cooling body.
The application provides a polymer rubber and plastic injection mold's cooling body adopts following technical scheme:
the utility model provides a cooling body of polymer rubber and plastic injection mold, sets up in the terrace die body, and the inside cavity that is equipped with of die body has installed a cooling pipe who is used for letting in cooling water along die body injection moulding one side in the cavity, and cooling pipe's both ends are worn out respectively from the cavity and are communicated with each other with the external world of die body, set up a plurality of and the exhaust hole of cavity in-connection on the lateral wall of die body.
Through adopting above-mentioned technical scheme, when needs cool off the finished product of moulding plastics, the staff can communicate cooling pipeline's one end and cold water source each other, cold water flows through cooling pipeline, the pipe wall heat of cooling pipeline is constantly absorbed to cold water during the period, make the inner wall of heterotypic pipeline and die body form the difference by low to high temperature, make the heat on the die body transmit to cooling pipeline on, thereby again will mould plastics the heat absorption on the finished product, and then make the finished product temperature of moulding plastics reduce, arrange along with product structure change through cooling pipeline, reduced because of cooling pipeline and the influence that the distance difference between the finished product of moulding plastics caused cooling rate, make the cooling to each position of the finished product of moulding plastics more even, the cooling efficiency to the finished product of moulding plastics has been improved. In addition, partial heat of the injection molding finished product can be dissipated into the cavity, and the heat in the cavity can be released to the outside of the cavity of the convex die body through the exchange of the air inside and outside the exhaust holes through the arrangement of the exhaust holes, so that the influence of the heat in the cavity on the cooling efficiency of the injection molding finished product is reduced.
Preferably, a plurality of heat absorbing sheets are fixedly connected to the outer wall of the cooling pipeline along the extension direction of the cooling pipeline, and the heat absorbing sheets are welded to the injection molding side wall of the cavity close to the convex mold body.
By adopting the technical scheme, under the action of the better heat absorption property of the heat absorption sheet, the heat of the injection molding finished product is easily absorbed by the cooling pipeline and further absorbed by cold water in the cooling pipeline, so that the absorption time of the heat of the injection molding finished product is reduced, and the cooling efficiency of the injection molding finished product is improved.
Preferably, a plurality of air passing pipes are arranged in the cavity, and a plurality of air outlet holes are formed in the air passing pipes; one end of the air pipe is connected with an air inlet pipeline, and one end of the air inlet pipeline penetrates out of the cavity to be communicated with the outside of the convex die body and is connected with a fan.
By adopting the technical scheme, when the injection molding finished product is cooled, a worker can open the fan, cool air blown out by the fan enters each air passing pipe through the air inlet pipeline, and then the cool air is blown into the cavity through the air outlet hole, the blown cool air has the effect of reducing the temperature in the cavity, and the blown cool air can wrap the heat in the cavity and is discharged from the air outlet hole, so that the heat accumulation in the cavity is further reduced.
Preferably, the air outlet holes are arranged towards the cooling duct.
By adopting the technical scheme, when the air pipe blows out cold air, the cold air blows towards the cooling pipeline through the air outlet hole, so that hot air around the cooling pipeline is blown away, the accumulation of heat around the cooling pipeline is reduced, the special-shaped pipeline can better absorb heat from an injection molding finished product, and the cooling efficiency is improved.
Preferably, an air inducing plate for inducing air to the corresponding air walking pipe is fixed at the joint of the air inlet pipeline and each air walking pipe.
By adopting the technical scheme, when cold air flows to the tail part of the air inlet pipeline in the air inlet pipeline, partial air quantity is sequentially led out by the plurality of air guide plates to enter the corresponding air outlet pipes, so that the air quantity in each air outlet pipe is more uniformly distributed, the air quantity blown to the cooling pipeline is uniformly distributed, and the heat dissipation of each part of an injection molding finished product is more balanced.
Preferably, a spray head for expanding a spraying range is fixedly connected to each air outlet.
By adopting the technical scheme, when the cool air is sprayed through the spray head, the spraying range of the cool air is expanded, and under the uniform diffusion of the spray head, the cool air is further enabled to blow away the hot air around the heat absorbing sheet on the cooling pipeline more uniformly.
Preferably, the outer wall of one end of the cooling pipeline is connected with a water inlet thermometer; and the outer wall of the other end of the cooling pipeline is connected with a water outlet thermometer.
Through adopting above-mentioned technical scheme, when the finished product's of moulding plastics temperature tends to the cooling, the temperature change that flows in and flow out cooling tube also will dwindle constantly, consequently goes out the difference between water thermometer and the thermometer that intakes and also will reduce gradually, and the staff judges the finished product's of moulding plastics cooling progress according to the difference between water thermometer and the thermometer that intakes, in time stops the water supply to cooling tube, reduces the waste of cold water resource.
Preferably, the heat absorbing sheet is a copper sheet structure.
By adopting the technical scheme, the copper has a better heat conduction effect, so that the cooling mechanism is more stable in cooling work of injection molding finished products, and the sheet structure reduces material waste caused by the integral use of the copper while increasing the surface area of the heat absorbing sheet.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the influence of heat in the cavity on the cooling efficiency of the injection molding finished product is reduced, and the heat in the cavity is released to the outside of the cavity of the die body through the exchange of air inside and outside the exhaust holes by the arrangement of the exhaust holes, so that the heat accumulation in the cavity is reduced;
2. the accumulation of heat in the cavity is reduced, the fan is started, cool air blown out by the fan enters each air outlet pipe through the air inlet pipeline, then the cool air is blown into the cavity through the air outlet holes, the blown cool air has the effect of reducing the temperature in the cavity, and the blown cool air can wrap the heat in the cavity and is discharged from the air outlet holes;
3. the waste of cold water resources is reduced, the cooling progress of the injection molding finished product is judged through the difference value between the water outlet thermometer and the water inlet thermometer, the water supply to the cooling pipeline is stopped in time, and the working state of the cooling mechanism is adjusted in time.
Drawings
FIG. 1 is a schematic view showing the overall structure of a cooling mechanism according to the present embodiment;
FIG. 2 is a sectional view showing the internal structure of the cam body;
FIG. 3 is a schematic view showing the structure of the air outlet;
FIG. 4 is a sectional view showing the internal structure of the intake duct;
fig. 5 is an enlarged schematic view of a portion a in fig. 4, and shows a structure of the air guide plate.
Description of reference numerals: 1. a convex mould body; 11. a cavity; 12. a guide post; 13. an exhaust hole; 2. a concave die body; 21. a slip through hole; 3. a cooling duct; 31. a water inlet; 32. a water outlet; 33. a heat absorbing sheet; 35. a water inlet thermometer; 36. a water outlet thermometer; 4. an auxiliary heat dissipation assembly; 41. a gas pipe is arranged; 411. an air outlet; 412. a spray head; 42. an air intake duct; 43. a fan; 5. an induced draft plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses polymer rubber and plastic injection mold's cooling body. Referring to fig. 1 and 2, the cooling mechanism includes a die body 1 having a rectangular bottom surface; a cavity 11 is arranged in the convex die body 1; the convex die body 1 is provided with a concave die body 2 matched with the convex die body 1; four guide posts 12 with circular cross sections are vertically and fixedly connected to the upper surface of the convex die body 1, and the four guide posts 12 are respectively positioned at four corners of the upper surface of the convex die body 1; a sliding through hole 21 which is matched with each corresponding guide post 12 in a sliding way is respectively arranged at the position corresponding to each guide post 12 on the concave die body 2; a cooling pipeline 3 consistent with the structural change of the product is arranged in the cavity 11, the cross section of the cooling pipeline 3 is circular, two ends of the cooling pipeline 3 respectively penetrate out of the cavity 11 and are communicated with the outside of the convex die body 1, one end of the cooling pipeline 3 is a water inlet 31, and the other end of the cooling pipeline 3 is a water outlet 32.
The cooling pipeline 3 is coaxially and fixedly connected with a plurality of annular heat absorbing sheets 33 along the extension direction of the cooling pipeline 3, and the heat absorbing sheets 33 are mutually welded with the inner wall of the convex die body 1 close to the concave die body 2; the cooling pipeline 3 and the heat absorbing sheet 33 are made of copper materials, and the copper materials have a good heat conduction effect, so that the heat absorption of the injection molding finished product is facilitated, the cooling efficiency of the injection molding finished product is improved, and the heat accumulation speed in the cavity 11 is reduced. In addition, three exhaust holes 13 which are communicated with the cavity 11 are respectively arranged on the side walls of two opposite sides of the convex die body 1.
When the injection molding finished product needs to be cooled, a worker can communicate the water inlet 31 of the cooling pipeline 3 with a cold water source, cold water enters the cooling pipeline 3 through the water inlet 31, and continuously flows towards the water outlet 32, during which the cold water continuously absorbs the heat of the cooling pipe 3, thereby absorbing the heat on the heat absorbing sheet 33 and forming a temperature difference from low to high between the heat absorbing sheet 33 and the inner wall of the convex die body 1, so that the heat on the convex die body 1 is transferred to the heat absorbing sheet 33, and then absorbs the heat on the injection molding finished product, the absorbed heat is carried by cold water and released to the outside from the water outlet 32, the cooling pipeline 3 is arranged along with the change of the product structure, so that the influence on the cooling speed due to different distances between the cooling pipeline 3 and the injection molding finished product is reduced, the cooling of all parts of the injection molding finished product is more uniform, and the cooling efficiency of the injection molding finished product is improved. In addition, partial heat of the injection molding finished product can be possibly dissipated into the cavity 11, and through the arrangement of the exhaust holes 13, the heat in the cavity 11 can be released to the outside of the cavity 11 of the die body 1 through the exchange of the air inside and outside the exhaust holes 13, so that the influence of the heat in the cavity 11 on the cooling efficiency of the injection molding finished product is reduced.
The outer wall of the cooling pipeline 3 close to the water inlet 31 is connected with a water inlet thermometer 35, the outer wall of the cooling pipeline 3 close to the water outlet 32 is connected with a water outlet thermometer 36, and the water inlet thermometer 35 and the water outlet thermometer 36 can change constantly along with the change of the water temperature at the corresponding position in the cooling pipeline 3. When cold water flows to delivery port 32 through cooling tube 3's water inlet 31, cold water constantly absorbs the heat and the temperature rises, when the finished product's of moulding plastics temperature tends to the cooling, the temperature change that flows in and flow out cooling tube 3 also will constantly reduce, consequently, the difference between water thermometer 36 and the thermometer 35 that intakes will also reduce gradually, thereby make things convenient for the staff to judge the cooling progress of the finished product of moulding plastics according to the difference between water thermometer 36 and the thermometer 35 that intakes, and then adjust cooling body's operating condition, in time close the intaking of cooling tube 3, reduce the waste of cold water resource.
Referring to fig. 2 and 3, an auxiliary heat dissipation assembly 4 is further disposed in the cavity 11, the auxiliary heat dissipation assembly 4 includes four air pipes 41 with circular cross sections, and each air pipe 41 is disposed in parallel with a long straight line of the cooling pipeline 3; one end of the air-supply pipe 41 is commonly connected with an air-supply pipeline 42 with a rectangular cross section, and the axial line of the air-supply pipeline 42 is vertical to the axial line of the air-supply pipe 41; one end of the air inlet duct 42 passes out of the cavity 11; the penetrating end of the air inlet pipeline 42 is connected with a fan 43 outside the convex die body 1; the gas-feeding pipe 41 is provided with a plurality of gas outlet holes 411 towards the cooling pipeline 3; in addition, each air outlet 411 is fixedly connected with a nozzle 412 for increasing the spraying range of cool air.
When the injection molding finished product is cooled, the worker can turn on the fan 43, so that outside cool air blown by the fan 43 enters each air inlet pipe 41 through the air inlet pipe 42, then the cool air is sprayed to the heat absorbing sheet 33 on the cooling pipe 3 through the spray head 412, and air around the heat absorbing sheet 33 is blown away, so that hot air accumulation around the heat absorbing sheet 33 is reduced, the heat absorbing sheet 33 can better absorb heat from the injection molding finished product, meanwhile, the blown cool air has the effect of reducing the temperature in the cavity 11, and blown wind energy can wrap the heat in the cavity 11 and is discharged from the exhaust holes 13, and further, the heat accumulation in the cavity 11 is reduced.
Referring to fig. 4 and 5, an induced air plate 5 for inducing air to the corresponding air inlet pipe 41 is fixed at the joint of the air inlet pipe 42 and each air inlet pipe 41, the cross section of the induced air plate 5 is arc-shaped, the sizes of the four induced air plates 5 are sequentially increased from the inlet of the air inlet pipe 42 to the tail of the air inlet pipe 42, when cool air flows to the tail of the air inlet pipe 42 in the air inlet pipe 42, part of the air volume is sequentially led out by the four induced air plates 5 to enter the corresponding air inlet pipe 41, so that the air volume in each air inlet pipe 41 is more uniformly distributed, the air volume blowing to the cooling pipe 3 is uniformly distributed, and the heat dissipation of each part of the injection molding finished product is more balanced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a polymer rubber and plastic injection mold's cooling body, sets up in die body (1), its characterized in that: a cavity (11) is arranged in the convex die body (1), a cooling pipeline (3) for introducing cooling water is arranged in the cavity (11) along one injection molding side of the convex die body (1), two ends of the cooling pipeline (3) respectively penetrate out of the cavity (11) to be communicated with the outside of the convex die body (1), and a plurality of exhaust holes (13) communicated with the cavity (11) are formed in the side wall of the convex die body (1); a plurality of heat absorbing sheets (33) are fixedly connected to the outer wall of the cooling pipeline (3) along the extension direction of the cooling pipeline (3), and the heat absorbing sheets (33) are welded with the injection molding side wall, close to the convex mold body (1), in the cavity (11).
2. The cooling mechanism of the polymer rubber-plastic injection mold according to claim 1, wherein: a plurality of air passing pipes (41) are arranged in the cavity (11), and a plurality of air outlet holes (411) are formed in the air passing pipes (41); one end of the air supply pipe (41) is connected with an air inlet pipeline (42) together, and one end of the air inlet pipeline (42) penetrates out of the cavity (11) and is connected with a fan (43).
3. The cooling mechanism of the polymer rubber-plastic injection mold according to claim 2, wherein: the air outlet holes (411) are arranged towards the cooling pipeline (3).
4. The cooling mechanism of the polymer rubber-plastic injection mold according to claim 3, wherein: and an air guide plate (5) used for guiding air to the corresponding air walking pipe (41) is fixed at the joint of the air inlet pipeline (42) and each air walking pipe (41).
5. The cooling mechanism of the polymer rubber-plastic injection mold according to claim 3, wherein: a spray head (412) for expanding the spraying range is fixedly connected with each air outlet (411).
6. The cooling mechanism of the polymer rubber-plastic injection mold according to claim 1, wherein: the outer wall of one end of the cooling pipeline (3) is connected with a water inlet thermometer (35); and the outer wall of the other end of the cooling pipeline (3) is connected with a water outlet thermometer (36).
7. The cooling mechanism of the polymer rubber-plastic injection mold according to claim 1, wherein: the heat absorbing sheet (33) is of a copper sheet structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022110111.1U CN213440974U (en) | 2020-09-23 | 2020-09-23 | Cooling mechanism of polymer rubber and plastic injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022110111.1U CN213440974U (en) | 2020-09-23 | 2020-09-23 | Cooling mechanism of polymer rubber and plastic injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213440974U true CN213440974U (en) | 2021-06-15 |
Family
ID=76326660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022110111.1U Expired - Fee Related CN213440974U (en) | 2020-09-23 | 2020-09-23 | Cooling mechanism of polymer rubber and plastic injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213440974U (en) |
-
2020
- 2020-09-23 CN CN202022110111.1U patent/CN213440974U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210615 |
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| CF01 | Termination of patent right due to non-payment of annual fee |