CN214291473U - Energy-saving water chiller for laser cutting - Google Patents

Abstract

The utility model discloses an energy-saving cold water machine is used in laser cutting relates to laser cutting cooling field. The water chiller comprises a compressor, a condenser, a filter and a cooling water tank, wherein the cooling water tank is filled with cooling water, a coiled evaporator and a coiled gasifier are integrally arranged in the cooling water, an inlet on the low-pressure side of the compressor is connected with an outlet of the coiled evaporator, an outlet on the other high-pressure side of the compressor is connected with an inlet on one side of the condenser, a condensing fan is arranged at the condenser, and an outlet of the condenser is connected with an inlet of the coiled evaporator sequentially through the filter and an expansion valve; the liquid outlet of the cooling water tank is connected with the water inlet position of the laser generator needing refrigeration through a pipeline, and the liquid inlet of the cooling water tank is connected with the water outlet position of the laser generator after refrigeration is finished through a pipeline; the coil type gasifier is provided with a liquid gas inlet and a gas outlet and is in a spiral pipe shape. The utility model discloses reduce the start-up operating duration of compressor in the cold water machine, practiced thrift the electric energy.

Description

Energy-saving water chiller for laser cutting

Technical Field

The utility model relates to a laser cutting cooling field specifically is a novel energy-saving cold water machine is used in laser cutting who unites two into one gasifier and cold water machine.

Background

The laser cooling water machine is mainly applied to laser processing equipment such as laser marking machines, laser engraving machines, laser welding machines, laser code spraying machines and laser cutting machines, and accurately controls the temperature required by the laser equipment, so that the normal work of the laser equipment is ensured. The laser generation source, beam controller and electronic control cabinets in a laser (laser) system may require additional cooling. The temperature of the cooling water is required to be between 15 and 22 ℃ usually, and the precision of the cooling water is required to be +/-1 ℃ or +/-2 ℃. Some laser devices may require ± 0.1 ℃ for the laser. The laser cutting equipment needs matched liquid oxygen and liquid nitrogen as cutting aid gas, and the equipment needed by the laser cutting operation of the water chiller comprises the following components: the laser cutting machine, the laser generating source, the water cooler, liquid oxygen or liquid nitrogen as cutting-assisting gas, the gasifier and other main devices. During cutting operation, liquid oxygen or liquid nitrogen stored in a Dewar flask is supplied to a laser cutting machine through a gasifier (equipment for changing ice-cold liquid gas at-183 ℃ in a liquid state into gas after passing through the gasifier); laser generator, beam controller and automatically controlled cabinet can produce a large amount of heat sources during laser cutting machine cutting operation, and equipment such as laser generator can be damaged to high temperature, so the temperature requirement is usually between 15 ~ 22 ℃, in order to satisfy this requirement, must use the cold water machine as temperature regulating equipment for laser cutting equipment keep constant temperature.

In the existing laser cutting, a water cooler and a gasifier are used as two independent devices, and the water cooler adopts cooling liquid to absorb heat generated during cutting so as to realize cooling; the gasifier needs to absorb heat to gasify the liquid gas into gas; the two devices are independent and occupy the area of a factory building respectively, and the arrangement of pipelines is more, but the two devices can also be seen to be complementary, so that the existing water cooler and the existing gasifier are improved, and the two devices are combined into a whole to realize the recycling of heat and reduce the area occupied by the factory building.

Disclosure of Invention

The utility model discloses an in solving laser cutting, cold water machine and vaporizer do not work, and the heat has extravagant problem, provides an energy-saving cold water machine for laser cutting.

The utility model discloses a realize through following technical scheme: an energy-saving water chiller for laser cutting comprises a compressor, a condenser, a filter and a cooling water tank, wherein the cooling water tank is filled with cooling water, a coiled evaporator and a coiled gasifier are integrated in the cooling water, an inlet on the low-pressure side of the compressor is connected with an outlet of the coiled evaporator, an outlet on the high-pressure side of the compressor is connected with an inlet on one side of the condenser, a condensing fan is arranged at the condenser, and an outlet of the condenser is connected with an inlet of the coiled evaporator sequentially through the filter and an expansion valve; the liquid outlet of the cooling water tank is connected with a water inlet position of the laser generator needing refrigeration through a pipeline, and the liquid inlet of the cooling water tank is connected with a water outlet position of the laser generator after refrigeration is finished through a pipeline; the coil type gasifier is provided with a liquid gas inlet and a gas outlet, and is in a spiral pipe shape.

The utility model relates to an energy-saving cold water machine for laser cutting, integrate the vaporizer in the cooling water tank of cold water machine, because laser generator, beam controller and automatically controlled cabinet can produce a large amount of heat sources during the cutting operation of laser cutting machine, need be cooled by the cold water machine with the method that consumes the electric energy, and liquid oxygen or liquid nitrogen that stores in the dewar jar are usually gasified through the vaporizer, the effect of vaporizer is the equipment that becomes gaseous gas state gas to liquid-183 ℃ cold liquid gas, release a large amount of cold sources when giving laser cutting machine air feed, so we in the utility model, set up the vaporizer in the cooling water tank of cold water machine, and adopted coil pipe formula vaporizer, the cold volume of liquid oxygen or liquid nitrogen release when using at first cooled the inside cooling water of cold water machine, reduced the start-up operating duration of compressor in the cold water machine like this, the electric energy is saved. The design is improved on the basis of the existing water chiller, wherein some basic components in the existing water chiller comprise a compressor, a condenser, a filter and a cooling water tank, the cooling water tank is filled with cooling water, a coil evaporator and a coil gasifier are integrally arranged in the cooling water, and the coil gasifier is newly arranged in the cooling water tank; an inlet at one side of the compressor is connected with an outlet of the coil evaporator, an outlet at the other side of the compressor is connected with an inlet at one side of the condenser, so that the coil evaporator sends a refrigerant into the compressor and then into the condenser, a condensing fan is arranged at the condenser, the heat of the refrigerant is radiated to outdoor air by the condensing fan, the refrigerant is converted into liquid from gas, an outlet of the condenser is connected with an inlet of the coil evaporator sequentially through a filter and an expansion valve, and the refrigerant enters the coil evaporator again through the filter and the expansion valve, namely enters a cooling water tank to refrigerate cooling water; then the liquid outlet of the cooling water tank is connected with the water inlet position of the laser generator needing refrigeration through a pipeline to refrigerate and cool the laser generator, and the cooling water after refrigeration is connected with the liquid inlet of the cooling water tank through the pipeline from the laser generator; the coil type gasifier is provided with a liquid gas inlet and a gas outlet, the liquid gas inlet is connected with a Dewar tank storing liquid gas, and the gas outlet is connected with the laser cutting head; when liquid gas entered, the liquid gas and cooling water carried out the heat exchange, and the cold volume of its release not only can make the cooling water cooling fast, and the heat of cooling water also can make the liquid gas in the vaporizer become gaseous state output more easily simultaneously, and coil pipe formula vaporizer is the spiral pipe shape, can increase its area of contact with the coolant liquid like this, also can not corroded simultaneously. The utility model discloses the specific operation does: opening the Dewar tank, enabling liquid gas to enter the coil type gasifier through the liquid gas inlet, simultaneously opening the water cooler and the laser generator, enabling the coil type gasifier to start heat exchange with cooling water in the water cooler, enabling the cooling water to be cooled, enabling the liquid gas to absorb heat and gradually become gaseous gas, outputting the gaseous gas to the laser cutting head from the gas outlet, generating a large amount of heat when the laser generator operates, enabling the cooling water to absorb heat, enabling refrigerant in the coil type evaporator to become gaseous refrigerant and also absorb heat to cool water, enabling the refrigerant to be conveyed to the condenser by the compressor to become high-temperature high-pressure liquid refrigerant, enabling the refrigerant to be radiated into air through the condensing fan, and enabling the refrigerant to enter the cold water tank through the filter and the expansion valve; the liquid gas in the coil type gasifier continuously enters, so that heat exchange is continuously carried out between the liquid gas and cooling water, the cooling water is cooled, the starting time of a compressor in a water chiller is shortened, electric energy is saved, and the liquid gas in the coil type gasifier is changed into gas to be output by the cooling water.

Preferably, in order to make the heat exchange faster and prolong the service life of the coil gasifier in cooling water, the coil gasifier adopts a titanium coil gasifier.

Compared with the prior art the utility model discloses following beneficial effect has: the utility model provides a laser cutting is with energy-saving cold water machine, this cold water machine are integrated in the cooling water tank to coil pipe vaporizer, make coil pipe vaporizer's cold volume can carry out the heat exchange with the cooling water, make the cooling water cooling, have reduced refrigeration compressor's start-up operating duration in the cold water machine, have practiced thrift the electric energy, and the cooling water also can make the liquid gas in the vaporizer become gaseous state output more easily.

Drawings

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

Fig. 2 is a schematic structural view of the coil vaporizer in the water chiller of the present invention.

The figures are labeled as follows: 1-compressor, 2-condenser, 3-expansion valve, 4-filter, 5-coil evaporator, 6-cooling water tank, 7-condensing fan, 8-coil vaporizer, 9-laser generator, and 10-cooling water level.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

An energy-saving water chiller for laser cutting is shown in figure 1 and comprises a compressor 1, a condenser 2, a filter 4 and a cooling water tank 6, wherein the cooling water tank 6 is filled with cooling water, a coil evaporator 5 and a coil gasifier 8 are integrally arranged in the cooling water, an inlet of the low-pressure side of the compressor 1 is connected with an outlet of the coil evaporator 5, an outlet of the high-pressure side of the compressor 1 is connected with an inlet of one side of the condenser 2, a condensing fan 7 is arranged at the condenser 2, and an outlet of the condenser 2 is connected with an inlet of the coil evaporator 5 sequentially through the filter 4 and an expansion valve 3; the liquid outlet of the cooling water tank 6 is connected with a water inlet position of the laser generator 9 needing refrigeration through a pipeline, and the liquid inlet of the cooling water tank 6 is connected with a water outlet position of the laser generator 9 after refrigeration is finished through a pipeline; the coil type gasifier 8 is provided with a liquid gas inlet and a gas outlet, and the coil type gasifier 8 is in a spiral pipe shape.

The preferred scheme is adopted in the embodiment: the coil gasifier 8 is a titanium coil gasifier.

The embodiment specifically operates as follows: opening the Dewar tank, making the liquid gas enter the coil type gasifier 8 through the liquid gas inlet, simultaneously opening the water cooler and the laser generator 9, the coil type gasifier 8 starts to exchange heat with the cooling water in the water cooler, so as to cool the cooling water, the liquid gas absorbs heat, gradually changes into gaseous gas, and outputs the gaseous gas to the laser cutting head of the laser generator 8 from the gas outlet, when the laser generator 8 operates, a large amount of heat is generated, the cooling water absorbs heat, the refrigerant in the coil type evaporator 5 changes into gaseous refrigerant and also absorbs heat to cool the water, the compressor 1 conveys the refrigerant to the condenser 2 to change into high-temperature high-pressure liquid refrigerant, the heat is dissipated to the air through the condensing fan 7, and then enters the cold water tank through the filter 4 and the expansion valve 3, because the liquid gas in the coil type gasifier 8 continuously enters, therefore, heat exchange is continuously carried out with the cooling water, and the cooling water is cooled, so that the starting time of the compressor 1 in the water chiller is shortened, the electric energy is saved, and the liquid gas in the coil type gasifier 8 is changed into gas to be output by the cooling water.

The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (2)

1. The utility model provides a laser cutting is with energy-saving cold water machine which characterized in that: the cooling system comprises a compressor (1), a condenser (2), a filter (4) and a cooling water tank (6), wherein the cooling water tank (6) is filled with cooling water, a coil evaporator (5) and a coil gasifier (8) are integrally arranged in the cooling water, an inlet of the low-pressure side of the compressor (1) is connected with an outlet of the coil evaporator (5), an outlet of the high-pressure side of the compressor (1) is connected with an inlet of one side of the condenser (2), a condensing fan (7) is arranged at the condenser (2), and an outlet of the condenser (2) is connected with an inlet of the coil evaporator (5) sequentially through the filter (4) and an expansion valve (3); a liquid outlet of the cooling water tank (6) is connected with a water inlet position of the laser generator (9) needing refrigeration through a pipeline, and a liquid inlet of the cooling water tank (6) is connected with a water outlet position of the laser generator (9) after refrigeration is finished through a pipeline; the coil type gasifier (8) is provided with a liquid gas inlet and a gas outlet, and the coil type gasifier (8) is in a spiral pipe shape.

2. The energy-saving water chiller for laser cutting as claimed in claim 1, wherein: the coil gasifier (8) is a titanium coil gasifier.

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