CN211552212U - Cooling system for thermoforming apparatus - Google Patents

Abstract

The utility model discloses a cooling system for thermal forming equipment, which comprises the thermal forming equipment, wherein a sealing cavity is arranged in the thermal forming equipment, the sealing cavity is provided with an inlet and an outlet, and protective gas is contained in the sealing cavity; the cooling equipment comprises a conversion system, wherein the conversion system is provided with a first air inlet and a first air outlet and is used for carrying out cold-heat conversion on the protective gas; one end of the air inlet pipe is connected with the first air outlet, and the other end of the air inlet pipe is connected with the inlet; and one end of the air outlet pipe is connected with the first air inlet, and the other end of the air outlet pipe is connected with the outlet. The technical scheme of the utility model, make the protective gas in the thermoforming equipment carry out cyclic utilization between thermoforming equipment and cooling arrangement, will carry to thermoforming equipment through the protective gas after the cooling arrangement cooling to cool off the heat dissipation to thermoforming equipment, effectively reduce the waste of resource, energy-concerving and environment-protective, improve cooling efficiency.

Description

Cooling system for thermoforming apparatus

Technical Field

The utility model relates to a cooling technology field, in particular to a cooling system for thermoforming equipment.

Background

In the production and processing processes of various existing products such as plastics, cotton, glass and the like, thermoforming processing is generally required to be carried out through thermoforming equipment, but in use of the thermoforming equipment, factors such as the size and the like of a product mold can cause the phenomenon of high heat and slow heat dissipation, and the production efficiency of the products can be directly influenced. The existing hot forming equipment is generally provided with a cooling device to carry out cooling treatment on the hot forming equipment. Common cooling method is that use the forced air cooling directly to dispel the heat to thermoforming equipment, nevertheless to in the thermoforming processing production that needs protective gas, if directly carry out the forced air cooling to thermoforming equipment, will blow away protective gas easily, leads to unable make full use of protective gas, causes the wasting of resources, and the cooling effect is slow.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a cooling system for thermoforming equipment can cyclic utilization protective gas in the thermoforming equipment, and energy-concerving and environment-protective improves cooling efficiency.

According to the utility model discloses a cooling system for thermoforming equipment of embodiment includes: the hot forming equipment is internally provided with a sealed cavity, the sealed cavity is provided with an inlet and an outlet, and protective gas is contained in the sealed cavity; the cooling equipment comprises a conversion system, wherein the conversion system is provided with a first air inlet and a first air outlet and is used for carrying out cold-heat conversion on the protective gas; one end of the air inlet pipe is connected with the first air outlet, and the other end of the air inlet pipe is connected with the inlet; and one end of the air outlet pipe is connected with the first air inlet, and the other end of the air outlet pipe is connected with the outlet.

According to the utility model provides a one or more technical scheme has following beneficial effect at least: the utility model discloses a cooling system for thermoforming equipment, including cooling arrangement, thermoforming equipment, sealed chamber among the thermoforming equipment contains protective gas, conversion system among the cooling arrangement can carry out the cold and hot conversion to protective gas, through the intake pipe, the outlet duct is connected cooling arrangement and thermoforming equipment, protective gas of high temperature is carried conversion system through the outlet duct from the export, conversion system carries out cooling back with high temperature protective gas, protective gas rethread intake pipe after will cooling is carried the import, thereby it cools off in making refrigerated protective gas get into thermoforming equipment. The technical scheme of the utility model, can make the protective gas in the thermoforming equipment carry out cyclic utilization between thermoforming equipment and cooling arrangement, will carry to thermoforming equipment through the protective gas after the cooling arrangement cooling to cool off the heat dissipation to thermoforming equipment, effectively reduce the waste of resource, energy-concerving and environment-protective improves cooling efficiency.

According to some embodiments of the present invention, the conversion system further comprises a heat exchanger, a refrigerant inlet pipe and a refrigerant outlet pipe, wherein the refrigerant inlet pipe and the refrigerant outlet pipe are communicated with each other by a heat exchange pipe penetrating through the heat exchanger; the first air inlet and the first air outlet are respectively arranged on two opposite sides of the heat exchanger.

According to the utility model discloses a some embodiments, still include the die holder in the sealed intracavity, be equipped with sinuous cooling water course in the die holder, cooling water course both ends are equipped with inlet tube and outlet pipe respectively.

According to some embodiments of the present invention, the apparatus further comprises an air extractor, the air extractor being located between the cooling device and the thermoforming device, the air extractor comprising a second air inlet, a second air outlet; the intake pipe includes first intake pipe and second intake pipe, the one end of first intake pipe with first gas outlet is connected, the other end with the second air inlet is connected, the one end of second intake pipe with the second gas outlet is connected, the other end with access connection.

According to some embodiments of the invention, the conversion system comprises an air cooling device.

According to some embodiments of the utility model, first air inlet first gas outlet is located respectively the relative both sides of converting system, the export with first air inlet homonymy sets up, the import with first gas outlet homonymy sets up.

According to some embodiments of the invention, the protective gas is a noble gas.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of a cooling system for a thermoforming apparatus according to one embodiment of the present disclosure;

FIG. 2 is a schematic structural view of a cooling system for a thermoforming apparatus according to another embodiment of the present disclosure;

fig. 3 is a schematic view of a die holder structure of a cooling system for a thermoforming apparatus according to another embodiment of the present invention.

Reference numerals:

the hot forming device 100, the sealed cavity 110, the inlet 111, the outlet 112, the die holder 120, the cooling water channel 121, the water inlet pipe 122 and the water outlet pipe 123;

cooling apparatus 200, switching system 210, first inlet 211, first outlet 212;

an air inlet pipe 300, a first air inlet pipe 300a, a second air inlet pipe 300b and an air outlet pipe 310;

an air pump 400, a second air inlet 410 and a second air outlet 420.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, inner, outer, etc., is the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If any, the description and the second only serve the purpose of distinguishing technical features, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, a cooling system for a thermoforming apparatus according to an embodiment of the invention includes: the thermoforming equipment 100 is internally provided with a sealed cavity 110, the sealed cavity 110 is provided with an inlet 111 and an outlet 112, and protective gas is contained in the sealed cavity 110; the cooling device 200 comprises a conversion system 210, wherein the conversion system 210 is provided with a first gas inlet 211 and a first gas outlet 212, and the conversion system 210 is used for performing cold-heat conversion on the protective gas; an intake pipe 300 having one end connected to the first outlet 212 and the other end connected to the inlet 111; an outlet pipe 310 has one end connected to the first inlet 211 and the other end connected to the outlet 112.

Specifically, the sealed cavity 110 in the thermoforming equipment 100 contains a shielding gas, and the cooling equipment 200 and the thermoforming equipment 100 are connected together through an air inlet pipe 300 and an air outlet pipe 310, that is, the air inlet pipe 300 has one end connected with the first air outlet 212 and the other end connected with the inlet 111; an outlet pipe 310 has one end connected to the first inlet 211 and the other end connected to the outlet 112. The converting system 210 in the cooling apparatus 200 can perform cold-heat conversion on the shielding gas, and during the production process of the thermoforming process, the shielding gas in the thermoforming apparatus 100 will form high-temperature shielding gas, and the high-temperature shielding gas is conveyed from the outlet 112 in the sealed cavity 110 through the outlet pipe 310 to the first inlet 211 of the converting system 210, so as to enter the converting system 210. After the conversion system 210 cools the high-temperature shielding gas, the cooled shielding gas is then delivered to the inlet 111 of the sealed cavity 110 through the air inlet tube 300, so that the cooled shielding gas enters the thermoforming equipment 100 again, and the high-temperature shielding gas in the thermoforming equipment 100 extrudes or neutralizes the cooled shielding gas, so that the shielding gas is recycled, thereby cooling the thermoforming equipment 100. In the embodiment, the environmental requirement is high, and in the thermoforming production that needs to use the shielding gas to isolate air, the sealed cavity 110 is provided in the thermoforming apparatus 100 to store and use the shielding gas.

According to the utility model provides a one or more technical scheme has following beneficial effect at least: the utility model discloses technical scheme can make the protective gas in thermoforming equipment 100 carry out cyclic utilization between thermoforming equipment 100 and cooling arrangement 200, converts the protective gas of high temperature into refrigerated protective gas through cooling arrangement 200 to carry the protective gas after cooling arrangement 200 cools off to thermoforming equipment 100 again, thereby cool off heat dissipation to thermoforming equipment 100, effectively reduce the waste of resource, and is energy-concerving and environment-protective, improves cooling efficiency.

According to some embodiments of the present invention, the conversion system 210 further comprises a heat exchanger, a refrigerant inlet pipe and a refrigerant outlet pipe, wherein the refrigerant inlet pipe and the refrigerant outlet pipe are communicated with each other by a heat exchange pipe penetrating through the heat exchanger; the first air inlet 211 and the first air outlet 212 are respectively arranged at two opposite sides of the heat exchanger.

In this embodiment, the conversion system 210 further includes a heat exchanger, a refrigerant inlet pipe and a refrigerant outlet pipe, and the refrigerant or the cold water is delivered from the refrigerant outlet pipe after passing through the heat exchange pipe by delivering a medium such as the refrigerant or the cold water through the refrigerant inlet pipe, so that the shielding gas in the thermoforming apparatus 100 exchanges heat and cold through the heat exchanger. Specifically, the cooling apparatus 200 and the thermoforming apparatus 100 are connected by an air inlet pipe 300 and an air outlet pipe 310, respectively. During the production process of the thermoforming process, the shielding gas in the thermoforming apparatus 100 will form high temperature shielding gas, and the high temperature shielding gas is delivered from the outlet 112 in the sealed cavity 110 through the outlet pipe 310 to the first inlet 211 of the heat exchanger, and thus enters the heat exchanger. The refrigerant inlet pipe is used for conveying a refrigerant or cold water and other media, so that the high-temperature protective gas is converted into the cooled protective gas in the heat exchanger. The cooled shielding gas is delivered from the first gas outlet 212 to the inlet 111 of the sealed cavity 110 through the gas inlet tube 300, so that the cooled shielding gas reenters the thermoforming apparatus 100, and the high-temperature shielding gas in the thermoforming apparatus 100 extrudes or neutralizes the cooled shielding gas, thereby recycling the shielding gas, and cooling the thermoforming apparatus 100.

Referring to fig. 3, according to some embodiments of the present invention, a mold base 120 is further included in the sealed cavity 110, a winding cooling water channel 121 is disposed in the mold base 120, and a water inlet pipe 122 and a water outlet pipe 123 are respectively disposed at two ends of the cooling water channel 121.

Specifically, in the production process of the thermoforming, a thermoforming mold is generally provided, and the mold performs the thermoforming process by being provided on the mold base 120. A mold base 120 is disposed in the sealed cavity 110, a winding cooling water channel 121 is disposed in the mold base 120, and cold water is continuously supplied to a water inlet pipe 122 in the cooling water channel 121 through the outside, so that the cold water flows to a water outlet pipe 123 through the cooling water channel 121 of the mold base 120, thereby cooling and dissipating heat of the thermoforming mold. In other embodiments, the cooling effect may be controlled by controlling the water flow rate in the cooling flume 121. In other embodiments, the water may be cooled by the conversion system 210. Specifically, the conversion system 210 further includes a water inlet and a water outlet, the water inlet is connected to the water outlet pipe 123, the water outlet is connected to the water inlet pipe 122, and the water inlet pipe 122 is further connected to an external water valve. Carry cold water toward inlet tube 122 in the cooling water course 121 through opening outside water valve, cool off the mould through cold water, cold water forms hot water behind die holder 120, hot water rethread outlet pipe 123 is carried to conversion system 210, conversion system 210 carries out cold and hot exchange with hot water, thereby export cold water, again with cold water through inlet tube 122 in the re-transportation to die holder 120, cool off the mould, with this circulation, accelerate the cooling speed to the product mould, and can effectively reduce the waste of water resource.

According to some embodiments of the present invention, the thermal forming apparatus further comprises an air extractor 400, the air extractor 400 is located between the cooling apparatus 200 and the thermal forming apparatus 100, the air extractor 400 comprises a second air inlet 410 and a second air outlet 420; the intake duct 300 includes a first intake duct 300a and a second intake duct 300b, one end of the first intake duct 300a is connected to the first outlet port 212, the other end is connected to the second inlet port 410, one end of the second intake duct 300b is connected to the second outlet port 420, and the other end is connected to the inlet port 111.

Referring to fig. 2, in the present embodiment, an air extractor 400 is provided between the thermoforming apparatus 100 and the cooling apparatus 200, and the air extractor 400 is used to circulate the shielding gas in the thermoforming apparatus 100 between the thermoforming apparatus 100 and the cooling apparatus 200. Specifically, one end of the first air inlet pipe 300a is connected to the first air outlet 212, the other end is connected to the second air inlet 410, one end of the second air inlet pipe 300b is connected to the second air outlet 420, and the other end is connected to the inlet 111. During the production process of the thermoforming process, the shielding gas in the thermoforming apparatus 100 will form high temperature shielding gas, and the high temperature shielding gas is delivered from the outlet 112 of the sealed chamber 110 through the outlet pipe 310 to the first inlet 211 of the conversion system 210, and thus enters the conversion system 210. After the conversion system 210 cools the high-temperature protective gas, the air extractor 400 extracts the cooled protective gas through the first air outlet 212 and the first air inlet pipe 300a, and then outputs the cooled protective gas from the second air outlet 420, the cooled protective gas is conveyed to the thermoforming equipment 100 through the second air inlet pipe 300b, the high-temperature protective gas in the thermoforming equipment 100 extrudes or neutralizes the cooled protective gas, so that the protective gas is recycled, and the cooling of the thermoforming equipment 100 is realized.

According to some embodiments of the present invention, the conversion system 210 includes an air cooling device. Carry out the forced air cooling to conversion system 210 through setting up the air cooling device, thereby make the high temperature protective gas in thermoforming equipment 100 when getting into conversion system 210 in cooling equipment 200, the air cooling device is towards conversion system 210 output cold wind, thereby cool off high temperature protective gas, protective gas after the cooling will enter into intake pipe 300 through first gas outlet 212, carry sealed chamber 110 to thermoforming equipment 100 in by intake pipe 300 again, in order to cool off thermoforming equipment 100, the cooling efficiency is improved, and the practicality is realized.

According to some embodiments of the present invention, the first air inlet 211 and the first air outlet 212 are respectively disposed on two opposite sides of the converting system 210, the outlet 112 is disposed on the same side as the first air inlet 211, and the inlet 111 is disposed on the same side as the first air outlet 212.

Referring to fig. 1, in the present embodiment, the first gas inlet 211 and the first gas outlet 212 are respectively disposed at two opposite sides of the converting system 210, the outlet 112 is disposed at the same side as the first gas inlet 211, and the inlet 111 is disposed at the same side as the first gas outlet 212, so that the shielding gas can be cooled and heated alternately in the cooling device 200 and the thermoforming device 100. Specifically, the cooling device 200 conveys the cooled shielding gas into the thermoforming device 100 through the gas inlet pipe 300 between the cooling device 200 and the thermoforming device 100, the high-temperature shielding gas in the thermoforming device 100 is extruded by the cooled shielding gas, and then the high-temperature shielding gas is conveyed into the cooling device 200 through the gas outlet pipe 310 between the thermoforming device 100 and the cooling device 200, and the conversion system 210 in the cooling device 200 can perform cold-heat conversion on the shielding gas, that is, the high-temperature shielding gas is converted into the cooled shielding gas, so that the cooling speed of the thermoforming device 100 is accelerated.

According to some embodiments of the invention, the protective gas is a noble gas. Noble gases are often used as protective gases in industrial production because of their high stability and chemical inertness. The rare gas can be helium, neon, argon, krypton, xenon, etc., for example, in the thermal forming production of glass products, nitrogen can form a certain pressure in a tin bath to prevent external air from permeating so as to protect tin from being oxidized. In this embodiment, the rare gas is cooled and heated by the conversion system 210 in the cooling device 200, so that the rare gas in the sealed cavity 110 in the thermoforming device 100 is alternately cooled and heated, and the rare gas can be recycled, thereby having practicability.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "specifically," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (7)

1. A cooling system for a thermoforming apparatus, comprising:

the hot forming equipment is internally provided with a sealed cavity, the sealed cavity is provided with an inlet and an outlet, and protective gas is contained in the sealed cavity;

the cooling equipment comprises a conversion system, wherein the conversion system is provided with a first air inlet and a first air outlet and is used for carrying out cold-heat conversion on the protective gas;

one end of the air inlet pipe is connected with the first air outlet, and the other end of the air inlet pipe is connected with the inlet;

and one end of the air outlet pipe is connected with the first air inlet, and the other end of the air outlet pipe is connected with the outlet.

2. The cooling system for a thermoforming apparatus as recited in claim 1, wherein: the conversion system also comprises a heat exchanger, a refrigerant inlet pipe and a refrigerant outlet pipe, wherein the refrigerant inlet pipe and the refrigerant outlet pipe are communicated through a heat exchange pipe penetrating through the heat exchanger; the first air inlet and the first air outlet are respectively arranged on two opposite sides of the heat exchanger.

3. The cooling system for a thermoforming apparatus as recited in claim 1, wherein: the sealing cavity is internally provided with a die holder, a winding cooling water channel is arranged in the die holder, and two ends of the cooling water channel are respectively provided with a water inlet pipe and a water outlet pipe.

4. The cooling system for a thermoforming apparatus as recited in claim 1, wherein: the air extractor is positioned between the cooling equipment and the hot forming equipment and comprises a second air inlet and a second air outlet; the intake pipe includes first intake pipe and second intake pipe, the one end of first intake pipe with first gas outlet is connected, the other end with the second air inlet is connected, the one end of second intake pipe with the second gas outlet is connected, the other end with access connection.

5. The cooling system for a thermoforming apparatus as recited in claim 1, wherein: the conversion system comprises an air cooling device.

6. The cooling system for a thermoforming apparatus as recited in claim 1, wherein: the first air inlet and the first air outlet are respectively arranged on two opposite sides of the conversion system, the outlet is arranged on the same side as the first air inlet, and the inlet is arranged on the same side as the first air outlet.

7. The cooling system for a thermoforming apparatus as claimed in any of claims 1 to 6, characterized in that: the protective gas is a rare gas.

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