CN215750595U - Cooling constant temperature machine - Google Patents

Cooling constant temperature machine Download PDF

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Publication number
CN215750595U
CN215750595U CN202121527685.7U CN202121527685U CN215750595U CN 215750595 U CN215750595 U CN 215750595U CN 202121527685 U CN202121527685 U CN 202121527685U CN 215750595 U CN215750595 U CN 215750595U
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China
Prior art keywords
cooling
water
pipeline
storage tank
mold
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Expired - Fee Related
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CN202121527685.7U
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Chinese (zh)
Inventor
陈斌
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Shini Electric Heating Machinery Co Ltd
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Shini Electric Heating Machinery Co Ltd
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Priority to CN202121527685.7U priority Critical patent/CN215750595U/en
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Abstract

The utility model discloses a cooling thermostat machine, comprising: the water-cooling device comprises a water storage tank, a mold water inlet pipeline, a mold water outlet pipeline, a cooling pipeline and a first water supplementing pipeline; the mold water inlet pipeline comprises a pump, a high-pressure switch and a first ball valve which are sequentially connected with the water storage tank in series, and the first ball valve is connected with an external mold; the mold water outlet pipeline comprises an overtemperature protector, a plate heat exchanger and a second ball valve which are sequentially connected with the water storage tank in series, and the second ball valve is connected with the mold; the cooling pipeline comprises a cooling water inlet and a low-pressure switch, the low-pressure switch is connected with the plate heat exchanger, the cooling pipeline also comprises a cooling water outlet and a cooling electromagnetic valve, and the cooling electromagnetic valve is connected with the plate heat exchanger; the first water replenishing pipeline comprises a water replenishing port, a low-pressure switch and a first one-way valve which are sequentially connected in series, and the first one-way valve is connected with the water storage tank. This cooling constant temperature machine can realize the cooling and the constant temperature of mould, and cooling efficiency is high moreover.

Description

Cooling constant temperature machine
Technical Field
The utility model relates to the technical field of mold cooling, in particular to a cooling thermostat machine.
Background
The mould temperature machine is the equipment of control mold temperature, especially injection mold, can produce high-quality product, the key lies in before the operation of moulding plastics, need to inject into the more stable liquid of temperature into the mould, in some moulds, itself has preheating structure, make the temperature in the mould than higher, the most design of current constant temperature machine has preheating device, reach more stable temperature through preheating with the cooling, make the structure of cooling constant temperature machine also more complicated, the cooling parameter design of constant temperature machine is more troublesome.
SUMMERY OF THE UTILITY MODEL
In view of the above problems in the prior art, an object of the present invention is to provide a cooling thermostat machine that can realize cooling and temperature stabilization of a mold and has high cooling efficiency.
The specific technical scheme is as follows:
a cooling thermostat machine mainly comprises: the water-cooling device comprises a water storage tank, a mold water inlet pipeline, a mold water outlet pipeline, a cooling pipeline and a first water supplementing pipeline;
the mold water inlet pipeline comprises a pump, a high-pressure switch and a first ball valve which are sequentially connected with the water storage tank in series, and the first ball valve is connected with an external mold;
the mold water outlet pipeline comprises an overtemperature protector, a plate heat exchanger and a second ball valve which are sequentially connected with the water storage tank in series, and the second ball valve is connected with the mold;
the cooling pipeline comprises a cooling water inlet and a low-pressure switch, the low-pressure switch is connected with the plate heat exchanger, the cooling pipeline also comprises a cooling water outlet and a cooling electromagnetic valve, and the cooling electromagnetic valve is connected with the plate heat exchanger;
the first water replenishing pipeline comprises a water replenishing port, a low-pressure switch and a first one-way valve which are sequentially connected in series, and the first one-way valve is connected with the water storage tank.
The cooling thermostat machine is further characterized by further comprising a second water replenishing pipeline, wherein a liquid level probe is arranged on the water storage tank, and when the liquid level probe detects that the liquid level in the water storage tank drops to a first preset value, the second water replenishing pipeline replenishes water to the water storage tank; and the liquid level probe detects that the liquid level in the water storage tank drops to a second preset value, and the thermostat sends out an alarm to shut down, wherein the first preset value is higher than the second preset value.
In the cooling thermostat machine of the above-mentioned type, it is further characterized in that the second water supply line includes a plunger pump and a second check valve connected in series with the low pressure switch in this order, and the second check valve is connected to the water storage tank.
In the cooling thermostat machine, the water storage tank is further provided with a safety valve, one end of the safety valve is connected with the water storage tank, and the other end of the safety valve is connected between the pump and the high-pressure switch.
In the cooling thermostat machine, the mold water outlet pipeline is further connected with a circulating cooling pipe at one end, far away from the water storage tank, of the over-temperature protector, and the circulating cooling pipe is connected between the plate heat exchanger and the second ball valve.
In the cooling thermostat machine, the mold water inlet pipeline is further provided with a first temperature sensor and a first pressure gauge between the high-pressure switch and the mold.
In the cooling thermostat machine, the mold water outlet pipeline is further provided with a second temperature sensor and a second pressure gauge between the plate heat exchanger and the mold.
In the cooling thermostat machine, the mold water outlet pipeline is further provided with a third temperature sensor between the plate heat exchanger and the water storage tank.
In the cooling thermostat machine, the mold water outlet pipeline is further provided with a first filter after the second ball valve;
the cooling pipeline is also provided with a second filter behind the cooling water inlet;
the first water replenishing pipeline is also provided with a third filter behind the water replenishing port.
The positive effects of the technical scheme are as follows:
the utility model provides a cooling thermostat machine which can realize the cooling and the constant temperature of a mold and has high cooling efficiency.
Drawings
FIG. 1 is a schematic view of a first structure of a cooling thermostat provided by the present invention;
fig. 2 is a second structural schematic diagram of the cooling thermostat provided by the utility model.
In the drawings: 1. a water storage tank; 2. a water inlet pipeline of the mould; 21. pumping; 22. a high pressure switch; 23. a first ball valve; 3. a mold water outlet pipeline; 31. an overtemperature protector; 32. a plate heat exchanger; 33. a second ball valve; 4. a cooling pipeline; 41. a cooling water inlet; 42. a low voltage switch; 43. a cooling water outlet; 44. cooling the electromagnetic valve; 5. a first water replenishing pipeline; 51. a water replenishing port; 52. a low pressure switch; 53. a first check valve; 54. a plunger pump; 55. a second one-way valve; 6. a second water replenishing pipeline; 7. a liquid level probe; 8. a safety valve; 82. a first temperature-sensing meter; 83. a first pressure gauge; 84. a second temperature-sensing meter; 85. a second pressure gauge; 86. a third temperature-sensitive meter; 9. an automatic exhaust valve; 91. a first filter; 92. a second filter; 93. a third filter; 10. and (5) molding.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below by way of embodiments with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The numbering of the components themselves, such as "first", "second", etc., is used herein only to distinguish between the objects depicted and not to have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1 and 2, fig. 1 is a schematic view of a first structure of a cooling thermostat provided in the present invention; fig. 2 is a second structural schematic diagram of the cooling thermostat provided by the utility model. Fig. 1 is identical to fig. 2 in construction, but two figures are used to avoid labeling too many occluding structures.
The utility model discloses a cooling thermostat machine, which comprises: the water-cooling device comprises a water storage tank 1, a mold water inlet pipeline 2, a mold water outlet pipeline 3, a cooling pipeline 4 and a first water replenishing pipeline 5.
Specifically, the mold water inlet pipeline 2 comprises a pump 21, a high-pressure switch 22 and a first ball valve 23 which are sequentially connected with the water storage tank 1 in series, the first ball valve 23 is connected with the external mold 10, and water in the water storage tank 1 enters the mold 10 through the mold water inlet pipeline 2.
Further, the mold water inlet pipeline 2 is further provided with a first temperature sensor 82 and a first pressure gauge 83 between the high pressure switch 22 and the mold 10. The first temperature sensor 82 is used for sensing the temperature of water entering the mold 10, and the first pressure gauge 83 is used for sensing the pressure of the water entering the mold 10, and can display the temperature data and the pressure data through a display screen technology for an operator to check.
The mold water outlet pipeline 3 comprises an overtemperature protector 31, a plate heat exchanger 32 and a second ball valve 33 which are sequentially connected with the water storage tank 1 in series, the second ball valve 33 is connected with the mold 10, and high-temperature water in the mold 10 enters the mold water outlet pipeline 3 through the second ball valve 33.
Further, the mold water outlet pipeline 3 is further provided with a second temperature sensor 84 and a second pressure gauge 85 between the plate heat exchanger 32 and the mold 10. The second temperature-sensing gauge 84 is used for sensing the temperature of the water discharged from the mold 10, and the second pressure gauge 85 is used for sensing the pressure of the water discharged from the mold 10, and can display the temperature data and the pressure data through a display screen technology for an operator to check.
The mold water outlet pipeline 3 is further provided with a third temperature sensor 86 between the plate heat exchanger 32 and the water storage tank 1. The third temperature sensor 86 is used for sensing the temperature of the water discharged from the plate heat exchanger 32, and can display the temperature data and the pressure data through a display screen technology for an operator to check.
The cooling pipeline 4 comprises a cooling water inlet 41 and a low-pressure switch 42, the low-pressure switch 42 is connected with the plate heat exchanger 32, the cooling pipeline 4 further comprises a cooling water outlet 43 and a cooling electromagnetic valve 44, and the cooling electromagnetic valve 44 is connected with the plate heat exchanger 32.
High-temperature water coming out of the die 10 enters the plate heat exchanger 32 through the second ball valve 33, if the temperature of the high-temperature water is higher, the cooling electromagnetic valve 44 is opened, the cooling pipeline 4 is started, cooling water is introduced from the cooling water inlet 41, the cooling water enters the plate heat exchanger 32 through the cooling water inlet 41 to cool the high-temperature water, and the cooled water flows out of the plate heat exchanger 32 and enters the water storage tank 1 and then enters the die 10 through the die water inlet pipeline 2.
The first water replenishing pipeline 5 comprises a water replenishing port 51, a low-pressure switch 52 and a first one-way valve 53 which are sequentially connected in series, and the first one-way valve 53 is connected with the water storage tank 1. In some cases, water enters the storage tank 1 from the water replenishing port 51 of the first water replenishing pipe 5.
The water storage tank 1 is provided with a liquid level probe 7, and when the liquid level probe 7 detects that the liquid level in the water storage tank 1 drops to a first preset value, the second water replenishing pipeline 6 replenishes water to the water storage tank 1; and when the liquid level probe 7 detects that the liquid level in the water storage tank 1 falls to a second preset value, the thermostat gives an alarm to stop the machine, wherein the first preset value is higher than the second preset value. The state that can effective control constant temperature machine keeps water like this sets up, if lack of water is serious, then shuts down and protects, avoids injuring constant temperature machine and mould 10.
Specifically, the second water replenishing pipe 6 includes a plunger pump 54 and a second check valve 55 connected in series with the low pressure switch 52 in turn, and the second check valve 55 is connected to the water storage tank 1. When the liquid level probe 7 detects that the liquid level in the water storage tank 1 is reduced to a first preset value, the plunger pump 54 is adopted to intermittently supply water so as to ensure that the constant temperature machine is always in a sufficient water state.
When the pressure in the thermostat is detected to be lower than the set value of the low-pressure switch 52, the low-pressure switch 52 sends out a water shortage signal, and the thermostat gives an alarm and stops working, so that the low-pressure protection effect is achieved.
Further, a safety valve 8 is further arranged on the water storage tank 1, one end of the safety valve 8 is connected with the water storage tank 1, and the other end of the safety valve 8 is connected between the pump 21 and the high-pressure switch 22. When the pressure in the thermostat is too high, the safety valve 8 is used for releasing the pressure of the thermostat, if the pressure in the thermostat continuously rises and exceeds the set pressure value of the high-pressure switch 22, the thermostat alarms and stops to protect the thermostat.
Further, the water storage tank 1 is also provided with an automatic exhaust valve 9 for exhausting.
Further, a circulating cooling pipeline (not shown) is connected to the end of the mold water outlet pipeline 3 away from the water storage tank 1 of the over-temperature protector 31, and the circulating cooling pipeline is connected between the plate heat exchanger 32 and the second ball valve 33. Through setting up the circulative cooling pipe, when detecting that the temperature that comes out from plate heat exchanger 32 is greater than the stabilizing temperature of constant temperature machine, then get into plate heat exchanger 32 once more with high-temperature water through circulative cooling pipeline, cooling pipeline 4 continues the effect simultaneously, the temperature of water is located near stabilizing temperature, then no longer continues the circulation, high-temperature water gets into storage water tank 1 from plate heat exchanger 32, set up like this and can realize carrying out the multiple cooling with high-temperature water, and then realize better the purpose of cooling high-temperature water to stabilizing temperature.
The overtemperature protector 31 in this embodiment can protect the thermostat, and when the overtemperature protector 31 detects that the temperature of the high-temperature water is higher than the set temperature set by the overtemperature protector 31, the thermostat gives an alarm and stops.
Further, the mold water outlet pipeline 3 is provided with a first filter 91 after the second ball valve 33;
the cooling line 4 is also provided with a second filter 92 after the cooling water inlet 41;
the first water replenishing pipe 5 is provided with a third filter 93 after the water replenishing port 51.
The thermostat machine provided by the utility model aims at cooling the die with the heating device to obtain the constant temperature, and only needs to cool according to the temperature of the high-temperature water from the die 10, and the structure and the cooling parameters of the thermostat machine are simpler.
The thermostat in the embodiment adopts various protection structures, and can automatically detect the abnormality when a fault occurs, so that the thermostat is effectively protected.
Preferably, all the pipelines in the embodiment are made of stainless steel materials, and the manufacturing is safe and reliable.
Further, the thermostat in this embodiment further includes a controller (not shown), and the controller is respectively associated with the pump 21, the liquid level probe 7, the overtemperature protector 31, the high-pressure switch 22, the low-pressure switch 52, the first temperature sensor 82, the second temperature sensor 84, the third temperature sensor 86, the cooling solenoid valve 44, and the plunger pump 54 to control the corresponding operations.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (9)

1. A cooling thermostat machine, comprising: the water-cooling device comprises a water storage tank, a mold water inlet pipeline, a mold water outlet pipeline, a cooling pipeline and a first water supplementing pipeline;
the mold water inlet pipeline comprises a pump, a high-pressure switch and a first ball valve which are sequentially connected with the water storage tank in series, and the first ball valve is connected with an external mold;
the mold water outlet pipeline comprises an overtemperature protector, a plate heat exchanger and a second ball valve which are sequentially connected with the water storage tank in series, and the second ball valve is connected with the mold;
the cooling pipeline comprises a cooling water inlet and a low-pressure switch, the low-pressure switch is connected with the plate heat exchanger, the cooling pipeline also comprises a cooling water outlet and a cooling electromagnetic valve, and the cooling electromagnetic valve is connected with the plate heat exchanger;
the first water replenishing pipeline comprises a water replenishing port, a low-pressure switch and a first one-way valve which are sequentially connected in series, and the first one-way valve is connected with the water storage tank.
2. The cooling thermostat machine according to claim 1, further comprising a second water replenishing pipeline, wherein a liquid level probe is arranged on the water storage tank, and when the liquid level probe detects that the liquid level in the water storage tank drops to a first preset value, the second water replenishing pipeline replenishes water to the water storage tank; and the liquid level probe detects that the liquid level in the water storage tank drops to a second preset value, and the thermostat sends out an alarm to shut down, wherein the first preset value is higher than the second preset value.
3. The cooling thermostat machine of claim 2 wherein the second water replenishing line includes a plunger pump and a second one-way valve in series with the low pressure switch, the second one-way valve being connected to the water storage tank.
4. The cooling thermostat machine as claimed in claim 1, wherein the water storage tank is further provided with a safety valve, one end of the safety valve is connected with the water storage tank, and the other end of the safety valve is connected between the pump and the high pressure switch.
5. The cooling thermostat machine according to claim 1, characterized in that a circulating cooling pipe is further connected to the mold water outlet pipeline at one end of the over-temperature protector, which is far away from the water storage tank, and the circulating cooling pipe is inserted between the plate heat exchanger and the second ball valve.
6. The cooling thermostat machine of claim 1, wherein the die water inlet line is further provided with a first temperature sensor and a first pressure gauge between the high pressure switch and the die.
7. The cooling thermostat machine according to claim 1, wherein a second temperature sensor and a second pressure gauge are further disposed on the mold water outlet pipeline between the plate heat exchanger and the mold.
8. The cooling thermostat machine of claim 1, wherein the mold water outlet pipeline is further provided with a third temperature sensor between the plate heat exchanger and the water storage tank.
9. The cooling thermostat machine according to any one of claims 1 to 8, characterized in that the mold water outlet pipeline is further provided with a first filter after the second ball valve;
the cooling pipeline is also provided with a second filter behind the cooling water inlet;
the first water replenishing pipeline is also provided with a third filter behind the water replenishing port.
CN202121527685.7U 2021-07-06 2021-07-06 Cooling constant temperature machine Expired - Fee Related CN215750595U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121527685.7U CN215750595U (en) 2021-07-06 2021-07-06 Cooling constant temperature machine

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Application Number Priority Date Filing Date Title
CN202121527685.7U CN215750595U (en) 2021-07-06 2021-07-06 Cooling constant temperature machine

Publications (1)

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CN215750595U true CN215750595U (en) 2022-02-08

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Application Number Title Priority Date Filing Date
CN202121527685.7U Expired - Fee Related CN215750595U (en) 2021-07-06 2021-07-06 Cooling constant temperature machine

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115608903A (en) * 2022-12-20 2023-01-17 山西恒强电力科技有限公司 Aluminum alloy forging and pressing piece processing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115608903A (en) * 2022-12-20 2023-01-17 山西恒强电力科技有限公司 Aluminum alloy forging and pressing piece processing device

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