CN216267472U - Energy-saving cooling system of multi-cavity injection mold - Google Patents
Energy-saving cooling system of multi-cavity injection mold Download PDFInfo
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- CN216267472U CN216267472U CN202122851985.7U CN202122851985U CN216267472U CN 216267472 U CN216267472 U CN 216267472U CN 202122851985 U CN202122851985 U CN 202122851985U CN 216267472 U CN216267472 U CN 216267472U
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Abstract
The utility model discloses an energy-saving cooling system of a multi-cavity injection mold, which belongs to the technical field of injection molds and comprises at least 2 cooling water channels arranged on a fixed mold, a cooling main pipe, a controller and control circuits, wherein the cooling main pipe is provided with a flow dividing pipe orifice and a liquid inlet pipe orifice, an electric control valve is arranged between the flow dividing pipe orifice and the cooling water channels, the control circuits are in one-to-one correspondence with the electric control valves, the controller is electrically connected with the corresponding electric control valves through the control circuits, the corresponding electric control valves are controlled to be opened through the controller, the liquid supply pressure only needs to meet the use requirement of the part of the cooling water channels, namely, on the premise of meeting the requirement of cooling the used mold cavity, the outlet for discharging the pressure of the cooling main pipe is reduced, the pressure pump for supplying the liquid can relatively reduce the pressurization of the cooling liquid, the pressure pump for supplying the liquid does not need to be kept in a high-power-consumption running state, and the power consumption of the pressure pump is effectively reduced, the use is more energy-saving.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to an energy-saving cooling system of a multi-mold-cavity injection mold.
Background
The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate sizes, and consists of a movable mold and a fixed mold, wherein the movable mold is arranged on a movable mold plate of an injection molding machine, the fixed mold is arranged on a fixed mold plate of the injection molding machine, the movable mold and the fixed mold are closed to form a pouring system and a cavity during injection molding, and the movable mold and the fixed mold are separated to take out the plastic products during mold opening.
Common injection molds for producing container type products are provided with cooling water channels in the fixed mold, so that the container type products are rapidly cooled and molded from a molten state, and the purposes of rapid production and demoulding are achieved. When carrying out the design of cooling water course to the movable mould that has a plurality of die cavitys, mainly for dividing into groups a plurality of die cavitys, every group die cavity all is equipped with the cooling water course, cools off every group die cavity simultaneously, and the advantage is that the cooling is even, the cooling is fast, but need supply liquid to all cooling water courses simultaneously. When the product is injected by only adopting a part of die cavities, the liquid supply to other cooling water channels which do not need to be cooled cannot be effectively stopped, and a pressure pump for supplying liquid needs to be always kept in a high-power-consumption running state.
SUMMERY OF THE UTILITY MODEL
The present invention aims to overcome the above-mentioned shortcomings and provide a technical solution to solve the above-mentioned problems.
In order to achieve the purpose, the utility model provides the following technical scheme: an energy-saving cooling system of a multi-cavity injection mold is provided with at least 2 cooling water channels arranged on a fixed mold, each cooling water channel at least cools 1 mold cavity, and the mold cavities on the fixed mold corresponding to the cooling water channels are different; the cooling system comprises a cooling main pipe, a cooling water channel and a cooling water tank, wherein the cooling main pipe is provided with a flow dividing pipe orifice and at least one liquid inlet pipe orifice which correspond to the cooling water channel one by one; an electric control valve is arranged between the shunt pipe orifice and the corresponding cooling water channel and is used for controlling the shunt pipe orifice to be communicated with or separated from the corresponding cooling water channel; the controller is provided with control circuits which correspond to the electric control valves one to one.
As a further scheme of the utility model: the electric control valve adopts an electromagnetic valve.
As a further scheme of the utility model: the control circuit comprises a resistor, a triode and a voltage stabilizer; the control end of the control chip of the controller, which corresponds to the electric control valve, is finally connected with the base electrode of the triode through a resistor; the input end of the voltage stabilizer is connected with the power supply, and the two ends of the electric control valve are respectively connected with the output end of the voltage stabilizer and the collector electrode of the triode.
As a further scheme of the utility model: the controller chip model of the controller is Atmega 16.
As a further scheme of the utility model: the voltage stabilizer is a three-terminal voltage stabilizer with the model number of 7806.
As a further scheme of the utility model: the model of the triode is 2N5551 or C1815 or S9013.
As a further scheme of the utility model: the cooling water channels comprise an even number of cooling water channels which are averagely positioned on two sides of the corresponding mold cavity.
Compared with the prior art, the utility model has the following beneficial effects: when only partial mold cavity is needed for product injection molding, namely after the product injection molding is completed, only partial cooling water channel needs to be supplied with liquid to finish the cooling purpose, the corresponding electric control valve is controlled to be opened through the controller, the liquid supply pressure at the moment only needs to meet the requirement of using the partial cooling water channel, namely, on the premise of cooling the used mold cavity, the outlet for discharging the pressure of the cooling main pipe is reduced, the pressure pump for supplying the liquid can relatively reduce the pressurization of the cooling liquid, the pressure pump for supplying the liquid does not need to be kept in a high-power-consumption running state, the power consumption of the pressure pump is effectively reduced, and the use is more energy-saving.
Drawings
FIG. 1 is a system framework diagram of the present invention;
FIG. 2 is a schematic diagram of a control circuit of the present invention;
the reference numerals and names in the figures are as follows:
a cooling water channel-1, a cooling water diversion channel-11,
a die cavity-2, a cooling main pipe-3, an electric control valve-4,
the controller-5, the control circuit-51, the resistor-511, the triode-512 and the voltage stabilizer-513.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, an energy-saving cooling system for a multi-cavity injection mold has at least 2 cooling water channels 1 disposed on a fixed mold, each cooling water channel 1 cools at least 1 cavity 2, and each cooling water channel 1 corresponds to a different cavity on the fixed mold. The cooling water system comprises a cooling header pipe 3, wherein the cooling header pipe 3 is provided with a flow dividing pipe orifice in one-to-one correspondence with a cooling water channel 1 and at least one liquid inlet pipe orifice. An electric control valve 4 is arranged between the shunt pipe orifice and the corresponding cooling water channel 1, and the electric control valve 4 is used for controlling the shunt pipe orifice to be communicated/separated with the corresponding cooling water channel 1. The device also comprises a controller 5, and the controller 5 is provided with control circuits 51 which correspond to the electric control valves 4 one by one.
When the product injection molding is carried out by only adopting a part of mold cavities, namely after the product injection molding is finished, only a part of cooling water channels are required to be supplied with liquid to finish the cooling purpose: the controller 5 controls the corresponding electric control valve 4 to be opened, the liquid supply pressure at the moment only needs to meet the requirement of using the part of the cooling water channel 1, namely, on the premise of cooling the used die cavity 2, the outlet for discharging pressure to the cooling main pipe 3 is reduced, the pressure pump for supplying liquid can relatively reduce the pressurization to the cooling liquid, the pressure pump for supplying liquid does not need to be kept in a high-power-consumption running state, the power consumption of the pressure pump is effectively reduced, and the use is more energy-saving.
Further, the cooling water channel 1 includes an even number of cooling water diversion channels 11 located on both sides of the corresponding mold cavity 2 on average, and the design of the cooling water diversion channels 11 enables cooling of multiple portions of the mold cavity 2 at the same time, so that cooling is faster.
In the embodiment of the utility model, the electric control valve 4 adopts an electromagnetic valve. Control circuit 51 includes resistor 511, transistor 512, and voltage regulator 513. The control end of the control chip of the controller corresponding to the electric control valve is finally connected with the base of the triode 512 through the resistor 511. The input end of the voltage stabilizer 513 is connected with the power supply, and two ends of the electric control valve 4 are respectively connected with the output end of the voltage stabilizer 513 and the collector of the triode 512. The voltage supplied to the electric control valve 4 is stabilized by the voltage stabilizer 513, and the electric control valve 4 is effectively protected. The control chip of the controller 5 controls the electric control valve 4 through the triode 512, so that the control chip of the controller 5 is prevented from being directly connected with the electric control valve 4, and the control chip of the controller is effectively protected. The control circuit is simple as a whole and has good practicability.
Preferably, the controller 5 has a control chip model of Atmega 16.
Preferably, the voltage regulator 513 is a three-terminal voltage regulator model 7806.
Preferably, the transistor 512 has a model number of 2N5551, C1815 or S9013.
It should be noted that, when the electronic control valve 4 is an electromagnetic valve, two ends of the electronic control valve 4 refer to two control ends of a coil for controlling the valve to open/close. Power supply connected to the input terminal of the voltage regulator 513: can be a storage battery, a commercial power and the like, and is used for providing working power supply for the electric control valve 4.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. An energy-saving cooling system of a multi-cavity injection mold is provided with at least 2 cooling water channels arranged on a fixed mold, each cooling water channel cools at least 1 mold cavity, and the mold cavities on the fixed mold corresponding to each cooling water channel are different;
an electric control valve is arranged between the shunt pipe orifice and the corresponding cooling water channel and is used for controlling the shunt pipe orifice to be communicated with or separated from the corresponding cooling water channel;
the controller is provided with control circuits which correspond to the electric control valves one to one.
2. The system of claim 1, wherein the electrically controlled valves are solenoid valves.
3. The system of claim 2, wherein the control circuit comprises a resistor, a transistor, and a regulator;
the control end of the control chip of the controller, which corresponds to the electric control valve, is finally connected with the base electrode of the triode through a resistor;
the input end of the voltage stabilizer is connected with the power supply, and the two ends of the electric control valve are respectively connected with the output end of the voltage stabilizer and the collector electrode of the triode.
4. The economized cooling system for a multi-cavity injection mold as defined in claim 3, wherein the controller has a controller chip model of Atmega 16.
5. The system of claim 3, wherein the regulator is a 7806 type three terminal regulator.
6. The system of claim 3, wherein the transistor is of the type 2N5551, C1815 or S9013.
7. The system of any of claims 1-6, wherein the cooling channels comprise an even number of cooling manifolds located on either side of the corresponding mold cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122851985.7U CN216267472U (en) | 2021-11-20 | 2021-11-20 | Energy-saving cooling system of multi-cavity injection mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122851985.7U CN216267472U (en) | 2021-11-20 | 2021-11-20 | Energy-saving cooling system of multi-cavity injection mold |
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| CN216267472U true CN216267472U (en) | 2022-04-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115230025A (en) * | 2022-06-14 | 2022-10-25 | 南通银宝山新科技有限公司 | Machining method for oil tank shock pad |
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2021
- 2021-11-20 CN CN202122851985.7U patent/CN216267472U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115230025A (en) * | 2022-06-14 | 2022-10-25 | 南通银宝山新科技有限公司 | Machining method for oil tank shock pad |
| CN115230025B (en) * | 2022-06-14 | 2023-10-20 | 南通银宝山新科技有限公司 | Processing method of oil tank shock pad |
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| GR01 | Patent grant | ||
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| CP02 | Change in the address of a patent holder |
Address after: No. 158, Shipai Section, Dongyuan Avenue, Shipai Town, Dongguan City, Guangdong Province, 523000 Patentee after: Dongguan mingcan plastic products Co.,Ltd. Address before: 523000 No.1, West 1st Road, jinfenghuang Avenue, Huangdong village, Fenggang town, Dongguan City, Guangdong Province Patentee before: Dongguan mingcan plastic products Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |