CN213860549U - Cooling system of injection mold - Google Patents
Cooling system of injection mold Download PDFInfo
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- CN213860549U CN213860549U CN202022493343.XU CN202022493343U CN213860549U CN 213860549 U CN213860549 U CN 213860549U CN 202022493343 U CN202022493343 U CN 202022493343U CN 213860549 U CN213860549 U CN 213860549U
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Abstract
The utility model discloses a cooling system of an injection mold, which comprises a lower template, an installation box and a water-cooling circulation mechanism; an upper template is arranged at the top end of the lower template, an inner cavity is formed between the top end of the lower template and the upper template, a cavity is formed in the inner part of the lower template at the edge position of the inner cavity, and a vent hole is formed in the lower position of the lower template; the mounting box is mounted at the bottom end of the lower template, a water storage cylinder is mounted inside the mounting box, and a liquid level sensor and a semiconductor refrigeration plate are mounted in the water storage cylinder; the water-cooling circulation mechanism comprises a water pumping pipe, a water pump, a return pipe, a water delivery pipe and a flow dividing pipe, wherein the water pump is fixed on the inner wall of the installation box, a water inlet of the water pump is communicated with a water storage barrel through the water pumping pipe, a water outlet of the water pump is communicated with the water delivery pipe, the bottom end of the flow dividing pipe is provided with two joints, and each joint is communicated with a communicating pipeline. The cooling system has good cooling effect and can improve the molding efficiency of the injection mold.
Description
Technical Field
The utility model relates to an injection moulding process technical field specifically is an injection mold's cooling system.
Background
Injection molding on products such as automobiles, medical instruments, electrical appliances, etc. after injection molding, in order to avoid the product from being deformed due to external force, the plastic product needs to be cooled and solidified, the cooling time accounts for 70% -80% of the whole molding cycle, the cooling effect is poor when the traditional cooling system is cooled, the temperature drop speed of water is slow, the cooling effect is influenced, and the molding efficiency of an injection mold is easy to lower.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide an injection mold's cooling system, this cooling system's cooling effect is good, can improve injection mold shaping's efficiency, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a cooling system of an injection mold comprises a lower template, a mounting box and a water-cooling circulation mechanism;
the top end of the lower template is provided with an upper template, an inner cavity is formed between the top end of the lower template and the upper template, a cavity is formed in the inner part of the lower template at the edge position of the inner cavity, and a vent hole is formed in the lower position of the inner cavity;
the mounting box is mounted at the bottom end of the lower template, a water storage cylinder is mounted inside the mounting box, and a liquid level sensor and a semiconductor refrigeration plate are mounted in the water storage cylinder;
the water-cooling circulation mechanism comprises a water pumping pipe, a water pump, a return pipe, a water delivery pipe and a flow dividing pipe, the water pump is fixed on the inner wall of the installation box, a water inlet of the water pump is communicated with the water storage barrel through the water pumping pipe, a water outlet of the water pump is communicated with the water delivery pipe, the bottom end of the flow dividing pipe is provided with two joints, each joint is communicated with a communication pipeline, the two communication pipelines at the same height are communicated through a U-shaped heat conduction copper pipe, the U-shaped heat conduction copper pipe is fixed on the inner wall of the cavity through a heat dissipation plate, the end part of the water delivery pipe is communicated with one joint, the other joint is communicated with an air-cooling heat dissipation mechanism, a water outlet of the air-cooling heat dissipation mechanism is communicated with the water storage barrel through the return pipe, and the return pipe is provided with an electromagnetic valve;
the single chip microcomputer is fixed on the side face of the lower template, the input end of the single chip microcomputer is electrically connected with an external power supply and the output end of the liquid level sensor, and the output end of the single chip microcomputer is electrically connected with the input ends of the semiconductor refrigeration plate, the water pump and the electromagnetic valve.
Furthermore, the air-cooled heat dissipation mechanism comprises a fixed frame and a heat dissipation pipe, the heat dissipation pipe is fixed in the fixed frame in a bending mode, one end of the heat dissipation pipe is communicated with the joint, the other end of the heat dissipation pipe is communicated with the return pipe, a second fan is installed on the side face of the fixed frame, and the input end of the second fan is electrically connected with the output end of the single chip microcomputer; the air-cooled heat dissipation mechanism can perform heat dissipation treatment on water passing through the heat dissipation pipe, and the temperature of the water is initially reduced.
The heat conducting plate is fixed on the inner wall of the top end of the vent hole, the position of the heat conducting plate corresponds to that of the inner cavity, and the bottom end of the heat conducting plate is provided with the heat radiating strip; the heat conducting plate can transfer the heat at the bottom end of the inner cavity to the heat dissipation strip, and the heat is taken away by wind passing through the ventilation holes.
The heat-conducting plate is connected to the round rods through the L-shaped plate, and the input end of the first fan is electrically connected with the output end of the single chip microcomputer; the U-shaped plate is arranged to facilitate installation and disassembly of the heat conducting plate and the heat dissipation strip.
The spring is sleeved on the side face of the round rod and positioned between the L-shaped plate and the U-shaped plate, and the L-shaped plate is connected with the round rod in a vertical sliding mode; the spring is arranged, so that the heat-conducting plate is convenient to cling to the inner wall of the ventilation hole.
Compared with the prior art, the beneficial effects of the utility model are that: injection mold's cooling system adopts water-cooling radiating's mode, can utilize water-cooling circulation mechanism, and realize the heat transfer between the inner chamber, take away the heat in the inner chamber, help improving the cooling efficiency of injection molding, improve injection mold's shaping efficiency, this water-cooling circulation mechanism realizes the backward flow in-process after the heat transfer at water, the mechanism carries out preliminary air-cooled heat dissipation through the air-cooled heat dissipation and handles to hot water, help reducing the temperature, ensure that the temperature keeps at low temperature state in whole circulation process, help promoting refrigerated effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic sectional view of the A-A surface of the present invention;
fig. 4 is a schematic diagram of the local enlarged structure at the position B of the present invention.
In the figure: 1. the heat-dissipating device comprises a single chip microcomputer, a mounting box, a lower template, a water-cooling circulation mechanism, a water pumping pipe, a water pump, a return pipe, a water delivery pipe, a flow dividing pipe, an air-cooling heat-dissipating mechanism, a fixed frame, a heat-dissipating pipe, a heat-dissipating plate, a cavity, a liquid level sensor, a semiconductor refrigerating plate, a water storage barrel, an electromagnetic valve, a connector, a heat-dissipating pipe, a connecting pipe, a fixing frame, a heat-dissipating pipe, a heat-dissipating plate, a spring, a round rod, a heat-dissipating bar, a heat-dissipating plate, a first fan and a second fan, wherein the round bar is 20.
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 cooling system for an injection mold, which includes a lower mold plate 3, an installation box 2 and a water cooling circulation mechanism 4; the single-chip microcomputer 1 is fixed on the side face of the lower template 3, the input end of the single-chip microcomputer 1 is electrically connected with an external power supply and the output end of the liquid level sensor 11, and the output end of the single-chip microcomputer 1 is electrically connected with the input ends of the semiconductor refrigeration plate 12, the second fan 25, the first fan 24, the water pump 42 and the electromagnetic valve 14.
Wherein: the top of lower bolster 3 is equipped with cope match-plate pattern 6, has seted up inner chamber 7 between the top of lower bolster 3 and cope match-plate pattern 6, and inner chamber 7 is used for the shaping injection molding, and its inside inner chamber 7 border position department that is located has seted up cavity 10, and it is located inner chamber 7 below position department and has seted up ventilation hole 17, and cavity 10 and ventilation hole 17 all are used for cooling the injection molding in the inner chamber 7.
The heat conducting plate 23 is fixed on the inner wall of the top end of the vent hole 17, the position of the heat conducting plate 23 corresponds to that of the inner cavity 7, heat from the bottom end of the inner cavity 7 can be conducted, the heat radiating strip 22 is installed at the bottom end of the heat conducting plate, and then the heat on the heat conducting plate 23 is transmitted to the heat radiating strip 22; the wind at the vent 17 takes away heat and increases the cooling rate.
The heat conduction plate is characterized by further comprising a U-shaped plate 18, wherein the U-shaped plate 18 is arranged in the vent hole 17, a first fan 24 is fixed at the end of the U-shaped plate 18, the top end of the U-shaped plate is connected with four round rods 20, a heat conduction plate 23 is connected to the round rods 20 through an L-shaped plate 21, the heat conduction plate further comprises a spring 19, the spring 19 is sleeved on the side face of each round rod 20 and is located between the L-shaped plate 21 and the U-shaped plate 18, and the L-shaped plate 21 is connected with the round rods 20 in a vertical sliding mode; the U-shaped plate 18 is arranged to facilitate the installation and the disassembly of the heat conducting plate 23, and the heat conducting plate 23 is tightly attached to the vent hole 17 under the action of the spring 19 and the L-shaped plate 21, so that the cooling speed is improved;
wherein: the mounting box 2 is mounted at the bottom end of the lower template 3, a water storage cylinder 13 is mounted inside the mounting box 2, a liquid level sensor 11 and a semiconductor refrigerating plate 12 are mounted in the water storage cylinder 13, the mounting box 2 is used for mounting devices required by a cooling system, the water storage cylinder 13 can store cooling water, a water inlet pipeline and a water drainage pipeline are arranged on the side face of the water storage cylinder 13, and the liquid level sensor 11 can detect the water level height of the water storage cylinder 13; the semiconductor refrigeration plate 12 can cool water entering the water storage cylinder 13, and the heating end of the semiconductor refrigeration plate is installed on the outer side of the installation box 2.
Wherein: the water-cooling circulation mechanism 4 comprises a water pumping pipe 41, a water pump 42, a return pipe 43, a water delivery pipe 44 and a shunt pipe 45, the water pump 42 is fixed on the inner wall of the installation box 2, a water inlet of the water pump 42 is communicated with the water storage barrel 13 through the water pumping pipe 41, a water outlet of the water pump is communicated with the water delivery pipe 44, two connectors 15 are arranged at the bottom end of the shunt pipe 45, each connector 15 is communicated with a communication pipeline 16, the two communication pipelines 16 at the same height are communicated through a U-shaped heat conduction copper pipe 8, the U-shaped heat conduction copper pipe 8 is fixed on the inner wall of the cavity 10 through a heat dissipation plate 9 and can be in heat transfer with the inner wall of the cavity 10, the temperature inside the inner cavity 7 is reduced, the end part of the water delivery pipe 44 is communicated with one connector 15, and the other connector 15 is communicated with an air-cooling heat dissipation mechanism 5; the air-cooled heat dissipation mechanism 5 is mainly used for cooling the water after absorbing heat so as to dissipate the heat, a water outlet of the air-cooled heat dissipation mechanism 5 is communicated with the water storage tank 13 through a return pipe 43, and the return pipe 43 is provided with an electromagnetic valve 14; the air-cooled heat dissipation mechanism 5 comprises a fixed frame 51 and a heat dissipation pipe 52, wherein the heat dissipation pipe 52 is fixed in the fixed frame 51 in a bending way, one end of the heat dissipation pipe 52 is communicated with the joint 15, the other end of the heat dissipation pipe is communicated with the return pipe 43, the second fan 25 is installed on the side surface of the fixed frame 51, the heat dissipation pipe 52 is distributed in a bending way and can exchange heat with air blown by the second fan 25, and the temperature of water is reduced; in practical use, under the action of the water pump 42, cooling water in the water storage barrel 13 is sucked into the water suction pipe 41, then enters the diversion pipe 45 along the water conveying pipe 44, then flows for a circle through the U-shaped heat conduction copper pipe 8, flows into the heat dissipation pipe 52 after absorbing heat in the inner cavity 7, the second fan 25 is turned on, the water passing through the heat dissipation pipe 52 is cooled, and then continuously flows into the water storage barrel 13 after passing through the return pipe 43;
the utility model discloses a theory of operation: start first fan 24, first fan 24 is bloied to ventilation hole 17, take away the heat on heat dissipation strip 22 surface, cool down the processing to the bottom of inner chamber 7, then start second fan 25 and water pump 42, under the effect of water pump 42, in the cooling water suction pipe 41 with in the water storage section of thick bamboo 13, then enter into shunt tubes 45 along raceway 44, then U type heat conduction copper pipe 8 flows a week, absorb the inside heat in inner chamber 7 after, flow in the cooling tube 52, open second fan 25, cool down the processing to the water that passes through the cooling tube 52 region, then water continues after passing through back flow 43, flow in the water storage section of thick bamboo 13.
It should be noted that in the present embodiment, the method commonly used in the prior art is adopted by the single chip microcomputer 1 to control the semiconductor refrigeration board 12, the second fan 25, the first fan 24, the water pump 42 and the electromagnetic valve 14 to work.
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 (5)
1. A cooling system of an injection mold is characterized in that: comprises a lower template (3), a mounting box (2) and a water-cooling circulating mechanism (4);
an upper template (6) is arranged at the top end of the lower template (3), an inner cavity (7) is formed between the top end of the lower template (3) and the upper template (6), a cavity (10) is formed in the inner part of the lower template at the edge of the inner cavity (7), and a vent hole (17) is formed in the lower part of the inner cavity (7);
the mounting box (2) is mounted at the bottom end of the lower template (3), a water storage cylinder (13) is mounted inside the mounting box (2), and a liquid level sensor (11) and a semiconductor refrigeration plate (12) are mounted in the water storage cylinder (13);
the water-cooling circulation mechanism (4) comprises a water pumping pipe (41), a water pump (42), a return pipe (43), a water delivery pipe (44) and a flow dividing pipe (45), the water pump (42) is fixed on the inner wall of the installation box (2), a water inlet of the water pump is communicated with a water storage barrel (13) through the water pumping pipe (41), a water outlet of the water pump is communicated with the water delivery pipe (44), the bottom end of the flow dividing pipe (45) is provided with two joints (15), each joint (15) is communicated with a communication pipeline (16), the two communication pipelines (16) at the same height are communicated with each other through a U-shaped heat conduction copper pipe (8), the U-shaped heat conduction copper pipe (8) is fixed on the inner wall of the cavity (10) through a heat dissipation plate (9), the end part of the water delivery pipe (44) is communicated with one joint (15), the other joint (15) is communicated with an air-cooling heat dissipation mechanism (5), a water outlet of the air-cooling heat dissipation mechanism (5) is communicated with the water storage barrel (13) through the return pipe (43), the return pipe (43) is provided with an electromagnetic valve (14);
the liquid level sensor is characterized by further comprising a single chip microcomputer (1), wherein the single chip microcomputer (1) is fixed on the side face of the lower template (3), the input end of the single chip microcomputer (1) is electrically connected with an external power supply and the output end of the liquid level sensor (11), and the output end of the single chip microcomputer (1) is electrically connected with the input ends of the semiconductor refrigeration plate (12), the water pump (42) and the electromagnetic valve (14).
2. A cooling system for an injection mold according to claim 1, wherein: air-cooled heat dissipation mechanism (5) include fixed frame (51) and cooling tube (52), cooling tube (52) bending is fixed in fixed frame (51), its one end and joint (15) intercommunication, its other end and back flow (43) intercommunication, the side-mounting of fixed frame (51) has second fan (25), the output of singlechip (1) is connected to the input electricity of second fan (25).
3. A cooling system for an injection mold according to claim 1, wherein: still include heat-conducting plate (23) and heat dissipation strip (22), heat-conducting plate (23) are fixed on the top inner wall of ventilation hole (17), and its position corresponds with the position of inner chamber (7), and heat dissipation strip (22) are installed to its bottom.
4. A cooling system for an injection mold according to claim 3, wherein: still include U template (18), install in ventilation hole (17) U template (18), its end fixing has first fan (24), and its top is connected with four round bars (20), heat-conducting plate (23) are connected on round bar (20) through L template (21), the output of singlechip (1) is connected to the input electricity of first fan (24).
5. An injection mold cooling system as claimed in claim 4, wherein: still include spring (19), spring (19) cup joint in the side of round bar (20), and are located between L template (21) and U template (18), sliding connection about L template (21) and round bar (20).
Priority Applications (1)
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CN202022493343.XU CN213860549U (en) | 2020-11-02 | 2020-11-02 | Cooling system of injection mold |
Applications Claiming Priority (1)
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CN202022493343.XU CN213860549U (en) | 2020-11-02 | 2020-11-02 | Cooling system of injection mold |
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CN213860549U true CN213860549U (en) | 2021-08-03 |
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CN202022493343.XU Active CN213860549U (en) | 2020-11-02 | 2020-11-02 | Cooling system of injection mold |
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- 2020-11-02 CN CN202022493343.XU patent/CN213860549U/en active Active
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