CN212097318U

CN212097318U - Automobile injection mold with external cooling system

Info

Publication number: CN212097318U
Application number: CN202020540666.7U
Authority: CN
Inventors: 佘器普
Original assignee: Zhongxing Xingda Auto Accessories Co ltd
Current assignee: Zhongxing Xingda Auto Accessories Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-12-08
Anticipated expiration: 2030-04-14

Abstract

The utility model provides a car injection mold with external cooling system belongs to mould processing technology field. The automobile injection mold with the external cooling system comprises an upper mold, a lower mold, a carbon dioxide cooling device and a water cooling device; the middle part of the top end of the upper die is provided with an injection molding nozzle, the upper die and the lower die are buckled to form a closed injection molding cavity, the outer side of the wall of the injection molding cavity is annularly provided with a loop, the upper die loop and the lower die loop are communicated through holes, dense fine through holes are formed between the loop and the injection molding cavity, the carbon dioxide cooling device penetrates through the upper die loop in the communication of the thick wall of the upper die, and the water cooling device is connected with the lower die. The utility model discloses strengthen the cooling effect, practiced thrift the water resource, made injection mold reach quick refrigerated purpose, improved the fashioned efficiency of spare part.

Description

Automobile injection mold with external cooling system

Technical Field

The utility model belongs to the technical field of the mould processing, specific theory relates to an automobile injection mold with external cooling system.

Background

Injection molding is a technology for industrial product production molding, a separate injection molding method and a die casting method can be used for injection molding, generally, rubber or plastic materials are used for injection molding, most parts of automobiles are molded through the injection molding method, generally, an injection molding machine, namely an injection machine and an injection molding machine is used, the injection molding machine is used for manufacturing thermoplastic plastics or thermosetting plastics into plastic automobile parts in various shapes by utilizing a plastic molding mold, in the prior art, the materials are slowly cooled after being molded in the injection mold, the natural heat dissipation time of plastic melts is too long, the molding efficiency of the parts is influenced, and meanwhile, the injection mold can be occupied for a long time. Therefore, it is necessary to design an automobile injection mold with an external cooling system, so that the injection mold can be rapidly cooled, resources can be saved, and the efficiency of part molding can be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art material and cooling slowly after the shaping in injection mold, the radiating time overlength of plastics fuse-element nature influences the problem of the fashioned efficiency of spare part, designs a car injection mold with external cooling system, makes injection mold cool off fast, and resources are saved improves the fashioned efficiency of spare part.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the utility model provides an automobile injection mold with an external cooling system, which comprises an upper mold 1, a lower mold 2, a carbon dioxide cooling device and a water cooling device; the middle part of the top end of the upper die 1 is provided with an injection molding nozzle 3, the upper die 1 and the lower die 2 are buckled to form a closed injection molding cavity, the outer side of the wall of the injection molding cavity is annularly provided with a ring channel, the ring channel of the upper die 1 and the ring channel of the lower die 2 are communicated through holes, dense fine through holes are formed between the ring channel and the injection molding cavity, the carbon dioxide cooling device penetrates through the ring channel of the upper die 1 and is communicated with the water cooling device, and the water cooling device is connected.

Carbon dioxide cooling device includes carbon dioxide generator 4, refrigerator I5, intake pipe 6, shower nozzle 7, outlet duct 8, carbon dioxide processing apparatus 9, check valve 10, carbon dioxide generator 4 intercommunication refrigerator I5, 1 ring road in mould is gone up in refrigerator I5 through intake pipe 6 intercommunication, 6 tip in intake pipe are equipped with shower nozzle 7, 1 ring road in mould is gone up through 8 intercommunications in carbon dioxide processing apparatus 9 through the outlet duct, all install check valve 10 on intake pipe 6 and the outlet duct 8.

The water cooling device is composed of a cold water tank 11, a water pump I12, a water circulation pipeline 13, a refrigerating system 14 and a water pump II 15, the cold water tank 11, the water pump I12, the refrigerating system 14 and the water pump II 15 are sequentially communicated through the water circulation pipeline 13, and a section of the water circulation pipeline 13 between the water pump I12 and the refrigerating system 14 is arranged inside the lower die 2 and is arranged outside the loop in a surrounding mode along with the shape of an injection molding cavity.

Preferably, the reaction product of the carbon dioxide generator 4 is limestone and dilute hydrochloric acid, the reaction product of the carbon dioxide treatment device 9 is potassium carbonate solution, and arsenic trioxide or aminoacetic acid, boric acid and diethanolamine are added as activating agents.

Preferably, the water pump I12 and the water pump II 15 both adopt single-stage single-suction centrifugal pumps.

Preferably, the refrigeration system 14 comprises an air-water heat exchanger 141, a heat exchanger 142, a refrigerator II 143 and a controller 144, the water circulation pipeline 13 is connected out of the lower die 2 and then sequentially communicated with the air-water heat exchanger 141 and the heat exchanger 142, and then is communicated with the water pump II 15 through an outlet of the heat exchanger 142, the controller 144 is respectively and electrically connected with the air-water heat exchanger 141 and the refrigerator II 143, and the refrigerator II 143 is communicated with the heat exchanger 142.

The utility model has the advantages that:

the utility model utilizes water cooling and carbon dioxide cooling to cool the injection mold of the automobile parts, thereby enhancing the cooling effect; the water circulation system is used, so that water resources are saved, and the water circulation pipeline is arranged on the outer side of the circular channel in a surrounding manner along with the shape of the injection molding cavity, so that the cooling effect is enhanced; carbon dioxide makes simply, and is with low costs, and the cooling effect is better than other gases, and carbon dioxide is big than air density, can flow into the lower mould ring way and cool off after spouting into the last mould ring way from the shower nozzle, then flows from the outlet duct and collects the processing, prevents the polluted environment, and the device makes injection mold reach quick refrigerated purpose, has improved the fashioned efficiency of spare part.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the refrigeration system of the present invention;

fig. 3 is the layout of the water circulation pipeline inside the lower die of the utility model.

In the figure: 1-upper die, 2-lower die, 3-injection nozzle, 4-carbon dioxide generator, 5-refrigerator I, 6-air inlet pipe, 7-nozzle, 8-air outlet pipe, 9-carbon dioxide treatment device, 10-one-way valve, 11-cold water tank, 12-water pump I, 13-water circulation pipeline, 14-refrigeration system, 15-water pump II, 141-wind-water heat exchanger, 142-heat exchanger, 143-refrigerator II and 144-controller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.

As shown in fig. 1-3, the automobile injection mold with an external cooling system comprises an upper mold 1, a lower mold 2, a carbon dioxide cooling device, and a water cooling device; the middle part of the top end of the upper die 1 is provided with an injection nozzle 3 for filling injection materials, the upper die 1 and the lower die 2 are buckled to form a closed injection cavity, the outer side of the cavity wall of the injection cavity is provided with a ring channel in a surrounding manner, the ring channel of the upper die 1 is communicated with the ring channel of the lower die 2 through an opening, dense fine through holes are arranged between the ring channel and the injection cavity, a carbon dioxide cooling device penetrates through the thick wall of the upper die 1 to be communicated with the ring channel of the upper die 1, and a water cooling device is connected with the lower die 2;

the carbon dioxide cooling device comprises a carbon dioxide generator 4, a refrigerator I5, an air inlet pipe 6, a nozzle 7, an air outlet pipe 8, a carbon dioxide treatment device 9 and a one-way valve 10, limestone and dilute hydrochloric acid are selected as reaction products of the carbon dioxide generator 4, the manufacturing is simple, the cost is low, the carbon dioxide generator 4 is communicated with the refrigerator I5, the refrigerator I5 cools the carbon dioxide, the refrigerator I5 is communicated with the annular channel of the upper die 1 through the air inlet pipe 6, the nozzle 7 is arranged at the end part of the air inlet pipe 6, the carbon dioxide enters the annular channel of the upper die 1 through the nozzle 7, the cooling effect is better than that of other gases, the carbon dioxide is denser than air, the carbon dioxide flows into the annular channel of the lower die 2 after being sprayed into the annular channel of the upper die 1 from the nozzle 7 to be cooled, the carbon dioxide treatment device, the environment pollution is prevented, the reaction product of the carbon dioxide treatment device 9 selects potassium carbonate solution, arsenic trioxide or aminoacetic acid, boric acid and diethanolamine are added as activating agents to promote the absorption treatment of carbon dioxide, the generated potassium bicarbonate is dissolved in the bicarbonate solution, no harmful impurities are generated, the air inlet pipe 6 and the air outlet pipe 8 are both provided with check valves 10 to prevent the carbon dioxide from flowing reversely.

The water cooling device is composed of a cold water tank 11, a water pump I12, a water circulation pipeline 13, a refrigerating system 14 and a water pump II 15, the cold water tank 11, the water pump I12, the refrigerating system 14 and the water pump II 15 are sequentially communicated through the water circulation pipeline 13, a section of water circulation pipeline 13 between the water pump I12 and the refrigerating system 14 is arranged inside the lower die 2 and is arranged outside the loop in a surrounding mode along with the shape of an injection molding cavity, the cooling area is increased, the cooling effect is enhanced, the water circulation system is used, and water resources are saved; the water pump I12 and the water pump II 15 both adopt single-stage single-suction centrifugal pumps to prevent cooling water from flowing backwards; the refrigerating system 14 comprises an air-water heat exchanger 141, a heat exchanger 142, a refrigerator II 143 and a controller 144, the water circulation pipeline 13 is connected out of the lower die 2 and then sequentially communicated with the air-water heat exchanger 141 and the heat exchanger 142, then is communicated with the water pump II 15 through an outlet of the heat exchanger 142, the refrigerator II 143 is communicated with the heat exchanger 142 to refrigerate and recycle used water, and the controller 144 is respectively electrically connected with the air-water heat exchanger 141 and the refrigerator II 143 to control the operation of the air-water heat exchanger 141 and the refrigerator II 143.

The utility model utilizes water cooling and carbon dioxide cooling to cool the injection mold of the automobile parts, thereby enhancing the cooling effect; the water circulation system is used, so that water resources are saved, and the water circulation pipeline 13 is arranged on the outer side of the circular channel in a surrounding manner along with the shape of the injection molding cavity, so that the cooling effect is enhanced; carbon dioxide makes simply, and is with low costs, and the cooling effect is better than other gases, and carbon dioxide is big than air density, spouts into can flow into 2 rings of lower mould and cool off after 1 rings of mould, then flows out from outlet duct 8 and collects the processing from 7 rings of spray nozzle, prevents the polluted environment, and the device makes injection mold reach quick refrigerated purpose, has improved the fashioned efficiency of spare part.

The last mentioned is only to illustrate the technical solution of the invention and not to limit it, although the invention has been described in detail with reference to the above preferred embodiments, it should be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the claims.

Claims

1. The utility model provides an automobile injection mold with external cooling system which characterized in that: the automobile injection mold with the external cooling system comprises an upper mold (1), a lower mold (2), a carbon dioxide cooling device and a water cooling device; the middle part of the top end of the upper die (1) is provided with an injection nozzle (3), the upper die (1) and the lower die (2) are buckled to form a closed injection molding cavity, the outer side of the cavity wall of the injection molding cavity is provided with a loop in a surrounding manner, the loop of the upper die (1) is communicated with the loop of the lower die (2) through an opening, dense fine through holes are formed between the loop and the injection molding cavity, a carbon dioxide cooling device penetrates through the thick wall of the upper die (1) and is communicated with the loop of the upper die (1), and a water cooling device is connected with the lower die (2);

the carbon dioxide cooling device comprises a carbon dioxide generator (4), a refrigerating machine I (5), an air inlet pipe (6), a spray head (7), an air outlet pipe (8), a carbon dioxide treatment device (9) and a one-way valve (10), wherein the carbon dioxide generator (4) is communicated with the refrigerating machine I (5), the refrigerating machine I (5) is communicated with the annular channel of the upper die (1) through the air inlet pipe (6), the spray head (7) is arranged at the end part of the air inlet pipe (6), the carbon dioxide treatment device (9) is communicated with the annular channel of the upper die (1) through the air outlet pipe (8), and the air inlet pipe (6) and the air outlet pipe (8;

the water cooling device is composed of a cold water tank (11), a water pump I (12), a water circulation pipeline (13), a refrigerating system (14) and a water pump II (15), wherein the cold water tank (11), the water pump I (12), the refrigerating system (14) and the water pump II (15) are sequentially communicated through the water circulation pipeline (13), one section of the water circulation pipeline (13) between the water pump I (12) and the refrigerating system (14) is arranged inside the lower die (2), and the water cooling device is arranged outside the loop in a surrounding mode along with the shape of an injection molding cavity.

2. The automotive injection mold with the external cooling system according to claim 1, characterized in that: limestone and dilute hydrochloric acid are selected as reaction products of the carbon dioxide generator (4), a potassium carbonate solution is selected as a reaction product of the carbon dioxide treatment device (9), and arsenic trioxide or aminoacetic acid, boric acid and diethanol amine are added as activating agents.

3. The automotive injection mold with the external cooling system according to claim 1, characterized in that: the water pump I (12) and the water pump II (15) both adopt single-stage single-suction centrifugal pumps.

4. The automotive injection mold with the external cooling system according to claim 1, characterized in that: the refrigerating system (14) comprises an air-water heat exchanger (141), a heat exchanger (142), a refrigerator II (143) and a controller (144), a water circulation pipeline (13) is connected out of the lower die (2) and then sequentially communicated with the air-water heat exchanger (141) and the heat exchanger (142), an outlet of the heat exchanger (142) is communicated with a water pump II (15), the controller (144) is respectively electrically connected with the air-water heat exchanger (141) and the refrigerator II (143), and the refrigerator II (143) is communicated with the heat exchanger (142).