阅读说明：本技术 冷却设备 (Cooling device ) 是由 安谊志 王涛 刘帅 符加园 陈小玲 于 2021-10-12 设计创作，主要内容包括：本发明提供了一种冷却设备,包括：压缩回路,压缩回路包括依次连接的压缩机、冷凝器和换热组件；换热组件包括多个换热器,压缩回路包括多个并列设置的换热支路,多个换热器一一对应地设置在多个换热支路上；多个冷却回路,多个冷却回路与多个换热器一一对应地设置,以使各个冷却回路内的冷却液流经相应的换热器。本发明的冷却设备解决了现有技术中的冷却设备不能对机床设备的多个部位不同温度进行冷却的问题。(The present invention provides a cooling apparatus comprising: the compression loop comprises a compressor, a condenser and a heat exchange assembly which are connected in sequence; the heat exchange assembly comprises a plurality of heat exchangers, the compression loop comprises a plurality of heat exchange branches arranged in parallel, and the heat exchangers are arranged on the heat exchange branches in a one-to-one correspondence manner; and the plurality of cooling loops are arranged in one-to-one correspondence with the plurality of heat exchangers, so that the cooling liquid in each cooling loop flows through the corresponding heat exchanger. The cooling device solves the problem that the cooling device in the prior art cannot cool a plurality of parts of machine tool equipment at different temperatures.)

1. A cooling apparatus, comprising:

the device comprises a compression loop (10), wherein the compression loop (10) comprises a compressor (11), a condenser (12) and a heat exchange assembly (20) which are sequentially connected; the heat exchange assembly (20) comprises a plurality of heat exchangers (200), the compression loop (10) comprises a plurality of heat exchange branches (100) arranged in parallel, and the plurality of heat exchangers (200) are arranged on the plurality of heat exchange branches (100) in a one-to-one correspondence manner;

a plurality of cooling circuits (30), the plurality of cooling circuits (30) being arranged in one-to-one correspondence with the plurality of heat exchangers (200) such that the cooling liquid in each cooling circuit (30) flows through the corresponding heat exchanger (200).

2. The cooling apparatus according to claim 1,

the heat exchanger (200) comprises a first communication channel (201) and a second communication channel (202), the first communication channel (201) is used for being communicated with the corresponding heat exchange branch (100), and the second communication channel (202) is used for being communicated with the corresponding cooling circuit (30).

3. A cooling arrangement according to claim 1, characterized in that the heat exchanger (200) is a plate heat exchanger.

4. The cooling apparatus according to claim 1, characterized in that the cooling apparatus comprises:

a liquid storage tank (210) and a pump body (211), the liquid storage tank (210) and the pump body (211) being provided on at least one of the plurality of cooling circuits (30).

5. The cooling apparatus according to claim 1, characterized in that the cooling apparatus further comprises:

the on-off control valves (110) are arranged on the heat exchange branches (100); and/or

The capillary tube (120) is arranged on each heat exchange branch (100).

6. Cooling arrangement according to claim 5, characterized in that on the same heat exchange branch (100) the capillary tube (120) is arranged between the respective on-off control valve (110) and the heat exchanger (200).

7. The cooling apparatus according to claim 1, wherein the heat exchange branch (100) and the cooling circuit (30) are both two, the two cooling circuits (30) are respectively a first cooling circuit (31) and a second cooling circuit (32), the first cooling circuit (31) is provided with a liquid storage tank (210) and a pump body (211), and the first cooling circuit (31) is used for cooling a main shaft of a machine tool; the second cooling circuit (32) is used for cooling a reduction gearbox of the machine tool.

8. The cooling apparatus according to claim 1, characterized in that the cooling apparatus further comprises:

support frame (1), support frame (1) includes backup pad (420) and support column (410), support column (410) are a plurality of, backup pad (420) with a plurality of support column (410) fixed connection to enclose into a backstop space (400), compressor (11), condenser (12) and heat exchange assemblies (20) all set up in backstop space (400).

9. The cooling apparatus according to claim 8,

the condenser (12) is mounted on the support plate (420) and is located between two adjacent support columns (410); and/or

The compressor (11) is mounted on the support plate (420) and is located above the support plate (420); and/or

The heat exchangers (200) are arranged in parallel and are positioned on the same side of the condenser (12), and each heat exchanger (200) is arranged between two adjacent supporting columns (410).

10. The cooling apparatus according to claim 8, further comprising a tank (210) and a pump body (211) provided on the cooling circuit (30), the tank (210) being connected to the support plate (420) and located below the support plate (420), a bottom of the tank (210) being provided with rollers (220); the pump body (211) is mounted on the support plate (420) and is positioned above the support plate (420); wherein the pump body (211) is transversely arranged, and the compressor (11) is vertically arranged.

11. The cooling apparatus according to claim 10, wherein the support frame (1) includes a mounting plate (411) and a mounting seat (230), the mounting plate (411) being mounted on two adjacent support columns (410), the mounting seat (230) being mounted on the mounting plate (411), the heat exchanger (200) being mounted on the mounting seat (230).

Technical Field

The invention relates to the technical field of cooling equipment, in particular to cooling equipment.

Background

In the conventional cooling device, a single-circuit sleeve type cooling scheme with one inlet and one outlet is generally adopted, but in the actual production and machining process, one machine tool device often has cooling requirements of multiple parts and different temperatures, and in this case, if a plurality of cooling devices are equipped for cooling, the problem of increasing the cost and occupying the space is caused.

Disclosure of Invention

The invention mainly aims to provide cooling equipment to solve the problem that the cooling equipment in the prior art cannot cool a plurality of parts of machine tool equipment at different temperatures.

In order to achieve the above object, according to one aspect of the present invention, there is provided a cooling apparatus comprising: the compression loop comprises a compressor, a condenser and a heat exchange assembly which are connected in sequence; the heat exchange assembly comprises a plurality of heat exchangers, the compression loop comprises a plurality of heat exchange branches arranged in parallel, and the heat exchangers are arranged on the heat exchange branches in a one-to-one correspondence manner; and the plurality of cooling loops are arranged in one-to-one correspondence with the plurality of heat exchangers, so that the cooling liquid in each cooling loop flows through the corresponding heat exchanger.

Further, the heat exchanger comprises a first communicating channel and a second communicating channel, the first communicating channel is used for being communicated with the corresponding heat exchange branch, and the second communicating channel is used for being communicated with the corresponding cooling loop.

Further, the heat exchanger is a plate heat exchanger.

Further, the cooling apparatus includes: the liquid storage tank and the pump body are arranged on at least one of the cooling loops.

Further, the cooling apparatus further includes: the on-off control valves are arranged on the heat exchange branches; and/or capillary tubes are arranged on each heat exchange branch.

Furthermore, on the same heat exchange branch, the capillary tube is arranged between the corresponding on-off control valve and the heat exchanger.

Furthermore, the number of the heat exchange branches and the number of the cooling loops are two, the two cooling loops are respectively a first cooling loop and a second cooling loop, a liquid storage tank and a pump body are arranged on the first cooling loop, and the first cooling loop is used for cooling a main shaft of the machine tool; the second cooling circuit is used for cooling a reduction gearbox of the machine tool.

Further, the cooling apparatus further includes: and the supporting frame comprises a plurality of supporting plates and supporting columns, the supporting columns are fixedly connected with the plurality of supporting columns to form a stopping space, and the compressor, the condenser and the heat exchange assembly are all arranged in the stopping space.

Further, the condenser is arranged on the supporting plate and positioned between two adjacent supporting columns; and/or the compressor is arranged on the supporting plate and is positioned above the supporting plate; and/or a plurality of heat exchangers are arranged in parallel and positioned on the same side of the condenser, and each heat exchanger is arranged between two adjacent support columns.

Furthermore, the cooling equipment also comprises a liquid storage tank and a pump body which are arranged on the cooling loop, the liquid storage tank is connected with the support plate and is positioned below the support plate, and the bottom of the liquid storage tank is provided with a roller; the pump body is arranged on the support plate and is positioned above the support plate; wherein, the pump body is transversely placed, and the compressor is vertically placed.

Further, braced frame includes mounting panel and mount pad, and the mounting panel is installed on two adjacent support columns, and the mount pad is installed on the mounting panel, and the heat exchanger is installed on the mount pad.

By applying the technical scheme, the cooling equipment provided by the invention comprises a compression loop and a plurality of cooling loops, wherein the compression loop comprises a compressor, a condenser and a heat exchange assembly which are sequentially connected, the heat exchange assembly comprises a plurality of heat exchangers, the compression loop comprises a plurality of heat exchange branches arranged in parallel, the plurality of heat exchangers are arranged on the plurality of heat exchange branches in a one-to-one correspondence manner, and the plurality of cooling loops and the plurality of heat exchangers are arranged in a one-to-one correspondence manner, so that cooling liquid in each cooling loop flows through the corresponding heat exchanger. The cooling equipment provided by the invention drives the plurality of cooling loops to refrigerate through one compressor, so that the cooling requirements of one cooling equipment on a plurality of parts of machine tool equipment at different temperatures are met, and the utilization of space is maximized through the arrangement mode of stacked parts, so that the volume of the cooling equipment is greatly reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic component diagram of an embodiment of a cooling device according to the invention;

FIG. 2 shows a general assembly schematic of an embodiment of a cooling apparatus according to the invention;

FIG. 3 shows a schematic view of the general assembly shaft side of an embodiment of a cooling device according to the invention;

FIG. 4 shows a schematic structural view of a reservoir of an embodiment of a cooling apparatus according to the present invention;

fig. 5 shows a schematic structural view of a compressor of an embodiment of a cooling apparatus according to the present invention;

figure 6 shows a schematic structural view of the pump body of an embodiment of the cooling device according to the invention;

FIG. 7 shows a schematic layout of the cooling medium circuit of an embodiment of the cooling device according to the invention;

FIG. 8 is a schematic axial view of a refrigerant line structure of an embodiment of the cooling apparatus according to the present invention;

fig. 9 is a plan view illustrating a structure of a refrigerant pipe according to an embodiment of the cooling apparatus of the present invention;

fig. 10 shows a schematic construction of a plate heat exchanger according to an embodiment of the cooling device according to the invention; and

fig. 11 shows a schematic structural view of a condenser of an embodiment of the cooling device according to the present invention.

Wherein the figures include the following reference numerals:

1. a support frame; 10. a compression circuit; 100. a heat exchange branch; 101. compressing the branch; 102. a second on-off control valve; 110. an on-off control valve; 120. a capillary tube; 130. a third shutoff control valve; 131. a filter; 11. a compressor; 12. a condenser; 13. a compressor switch; 20. a heat exchange assembly; 200. a heat exchanger; 201. a first communicating passage; 2011. a first heat exchange inlet; 2012. a first heat exchange outlet; 202. a second communicating passage; 2021. a second heat exchange inlet; 2022. a second heat exchange outlet; 210. a liquid storage tank; 2101. an oil suction port; 2102. an oil return port; 2103. an oil filling port; 2104. an oil drainage port; 211. a pump body; 30. a cooling circuit; 31. a first cooling circuit; 311. a first inlet; 312. a first outlet; 32. a second cooling circuit; 321. a second inlet; 322. a second outlet; 300. a temperature sensing bulb; 220. a roller; 230. a mounting seat; 240. a support bar; 410. a support pillar; 411. mounting a plate; 420. a support plate; 400. a stop space.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 11, the present invention provides a cooling apparatus, including: the system comprises a compression loop 10, wherein the compression loop 10 comprises a compressor 11, a condenser 12 and a heat exchange assembly 20 which are connected in sequence; the heat exchange assembly 20 comprises a plurality of heat exchangers 200, the compression loop 10 comprises a plurality of heat exchange branches 100 arranged in parallel, and the plurality of heat exchangers 200 are arranged on the plurality of heat exchange branches 100 in a one-to-one correspondence manner; and a plurality of cooling circuits 30, the plurality of cooling circuits 30 being arranged in one-to-one correspondence with the plurality of heat exchangers 200 such that the cooling liquid in each cooling circuit 30 flows through the corresponding heat exchanger 200.

The cooling device provided by the invention comprises a compression loop 10 and a plurality of cooling loops 30, wherein the compression loop 10 comprises a compressor 11, a condenser 12 and a heat exchange assembly 20 which are sequentially connected, the heat exchange assembly 20 comprises a plurality of heat exchangers 200, the compression loop 10 comprises a plurality of heat exchange branches 100 which are arranged in parallel, the plurality of heat exchangers 200 are arranged on the plurality of heat exchange branches 100 in a one-to-one correspondence manner, and the plurality of cooling loops 30 and the plurality of heat exchangers 200 are arranged in a one-to-one correspondence manner, so that cooling liquid in each cooling loop 30 flows through the corresponding heat exchanger 200. The cooling equipment of the invention drives a plurality of cooling loops 30 to refrigerate through one compressor 11, thereby meeting the cooling requirements of one cooling equipment on a plurality of parts of machine tool equipment and different temperatures.

As shown in fig. 1, in the embodiment of the present invention, the heat exchanger 200 includes a first communication passage 201 and a second communication passage 202, the first communication passage 201 is used for communicating with the corresponding heat exchange branch 100, and the second communication passage 202 is used for communicating with the corresponding cooling circuit 30.

Specifically, as shown in fig. 7 and 10, the first communication channel 201 has a first heat exchange inlet 2011 and a first heat exchange outlet 2012, and the second communication channel 202 has a second heat exchange inlet 2021 and a second heat exchange outlet 2022.

Preferably, the heat exchanger 200 is a plate heat exchanger, and the plate heat exchanger is used to replace a double pipe heat exchanger conventionally used in the past, so that the cooling device has smaller volume and higher heat exchange efficiency.

In an embodiment of the invention, the cooling apparatus comprises: the liquid tank 210 and the pump 211 are provided, and the liquid tank 210 and the pump 211 are provided in at least one of the plurality of cooling circuits 30. The liquid storage tank 210 and the pump body 211 in the cooling device are arranged according to whether the liquid storage tank and the pump body exist in the machine tool device, and if the liquid storage tank and the pump body are arranged at the position to be detected on the machine tool device, the liquid storage tank 210 and the pump body 211 of the cooling device do not need to pass through.

Specifically, as shown in fig. 4, the liquid storage tank 210 includes an oil suction port 2101, an oil return port 2102, an oil filling port 2103 and an oil drainage port 2104, wherein the oil suction port 2101 is communicated with the pump body 211 to perform an oil supplementing function, and the oil return port 2102 is communicated with the heat exchanger 200 to return the excessive oil to the liquid storage tank 210.

Specifically, the cooling apparatus further includes: the on-off control valves 110 are arranged on the heat exchange branches 100; and/or a capillary tube 120, wherein each heat exchange branch 100 is provided with the capillary tube 120. The capillary tube 120 is used for throttling and reducing pressure, and the on-off control valve 110 and the capillary tube 120 on each heat exchange branch 100 can be adjusted under the control of the system, so as to control the heat exchange amount of each branch to achieve the purpose of controlling different temperatures.

Preferably, on the same heat exchange branch 100, a capillary tube 120 is arranged between the corresponding on-off control valve 110 and the heat exchanger 200. So as to control the on-off of the refrigerant flowing into the capillary tube corresponding to the heat exchange branch 100 through the on-off control valve 110.

Specifically, one end of the capillary tube 120 on the heat exchange branch 100 is communicated with the first communication channel 201 of the heat exchanger 200, and the other end of the capillary tube 120 on the heat exchange branch 100 is connected with one end of the on-off control valve 110.

In the specific implementation process of the embodiment of the invention, as shown in fig. 1, two heat exchange branches 100 and two cooling circuits 30 are provided, the two cooling circuits 30 are respectively a first cooling circuit 31 and a second cooling circuit 32, the first cooling circuit 31 is provided with a liquid storage tank 210 and a pump body 211, and the first cooling circuit 31 is used for cooling a spindle of a machine tool; the second cooling circuit 32 is used to cool the reduction gearbox of the machine tool.

In the embodiment of the present invention, the compression circuit 10 further includes a compressor switch 13, a third on-off control valve 130 and a filter 131, one end of the third on-off control valve 130 is connected to the condenser 12, the other end of the third on-off control valve 130 is connected to one end of the filter 131, and the other end of the filter 131 is connected to the on-off control valve 110 of each heat exchange branch 100. Wherein the compressor switch 13 controls the start and shut-down of the entire cooling device.

As shown in fig. 1, the cooling apparatus of the present invention comprises: the compression branch 101 comprises a second on-off control valve 102 and a capillary tube 120, one end of the second on-off control valve 102 is communicated with the compressor 11, the other end of the second on-off control valve 102 is connected with one end of the capillary tube 120 arranged on the compression branch 101, and the other end of the capillary tube 120 is communicated with a first communication channel 201 of the heat exchanger 200.

In the specific implementation process of the embodiment of the invention, when the refrigerating capacity demand is large, the second on-off control valve 102 on the compression branch 101 is closed, at this time, the third on-off control valve 130 on the compression loop 10 is opened, the refrigerant flows into the heat exchanger 200 to finish refrigerating after passing through the compression loop 10, and the on-off control valve 110 on each heat exchange branch 100 is opened or closed according to the actual refrigerating requirement; when the demand of the cooling capacity is small, the third on-off control valve 130 on the compression circuit 10 is closed, the second on-off control valve 102 on the compression branch 101 is opened, and the refrigerant flows into the heat exchanger 200 after passing through the compression branch 101 to complete the cooling. Preferably, after passing through the compression branch 101, only one cooling circuit 30 can be refrigerated; after the refrigerant flows through the compression circuit 10, the refrigeration of the plurality of cooling circuits 30 may be accomplished.

Preferably, the compressor switch 13 is a high-pressure switch, the compressor switch 13 is disposed between the condenser 12 and the compressor 11, and the compressor switch 13 is disposed between the second on-off control valve 102 and the compressor 11 to control the start and the off of the entire cooling apparatus by the compressor switch 13.

In addition, the cooling device further comprises a thermal bulb 300, so that the temperature of each operation process of the cooling device can be detected through the thermal bulb 300, and the state of the cooling device in the operation process can be monitored.

In an embodiment of the present invention, as shown in fig. 2 and 3, the cooling apparatus further includes: the supporting frame 1, the supporting frame 1 includes a supporting plate 420 and a plurality of supporting columns 410, the supporting columns 410 are a plurality of, the supporting plate 420 is fixedly connected with the plurality of supporting columns 410 to enclose a stopping space 400, and the compressor 11, the condenser 12 and the heat exchange assembly 20 are all disposed in the stopping space 400.

Specifically, the condenser 12 is mounted on a support plate 420 and is located between two adjacent support columns 410; and/or the compressor 11 is mounted on the support plate 420 and positioned above the support plate 420; and/or a plurality of heat exchangers 200 are arranged in parallel and on the same side of the condenser 12, each heat exchanger 200 being mounted between two adjacent support columns 410.

In the specific implementation process of the embodiment of the present invention, the cooling apparatus further includes a liquid storage tank 210 and a pump body 211 disposed on the cooling circuit 30, the liquid storage tank 210 is connected to the supporting plate 420 and located below the supporting plate 420, and the bottom of the liquid storage tank 210 is provided with a roller 220; the pump body 211 is mounted on the support plate 420 and positioned above the support plate 420; wherein the pump body 211 is horizontally disposed and the compressor 11 is vertically disposed.

Specifically, as shown in fig. 5 and 6, the pump body 211 extends in the horizontal direction, and the compressor 11 extends in the vertical direction.

In the embodiment of the present invention, the support frame 1 includes the mounting plates 411 and the mounting seats 230, the mounting plates 411 are mounted on two adjacent support columns 410, the mounting seats 230 are mounted on the mounting plates 411, and the heat exchanger 200 is mounted on the mounting seats 230. Specifically, the mounting plate 411 is plural.

As shown in fig. 9, in the embodiment of the present invention, the piping that communicates with the second communication passage 202 of the heat exchanger 200 and the portion of the machine tool equipment to be cooled includes: the first inlet 311, the first outlet 312, the second inlet 321, and the second outlet 322, preferably, as shown in fig. 2 and 3, the first inlet 311, the first outlet 312, the second inlet 321, and the second outlet 322 are provided on one of the plurality of mounting plates 411.

Specifically, the support frame 1 further includes: and a plurality of support rods 240 for supporting the mount 230, the plurality of support rods 240 being arranged at intervals in a width direction of the heat exchanger 200.

The mounting seat 230 includes a first plate body portion, a second plate body portion and a third plate body portion, the first plate body portion, the second plate body portion and the third plate body portion are connected in sequence, the mounting seat 230 is arranged above the plurality of supporting rods 240, the third plate body portion is fixedly connected with the plurality of mounting plates 411, the first plate body portion is fixedly connected with the supporting rods 240, the number of the second plate body portions is two, and the two second plate body portions are arranged oppositely.

Preferably, in the embodiment of the present invention, the number of each circuit inside the cooling device may be arranged according to actual requirements, and the refrigeration medium for heat exchange may be water, oil, cutting fluid, or other liquid, and the number of the liquid storage tanks 210 may be increased or eliminated according to actual use requirements.

According to the arrangement mode of all parts in the cooling equipment, the arrangement mode of the stacked parts is adopted, so that the utilization of space is maximized, and the volume of the cooling equipment is greatly reduced.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

the cooling device provided by the invention comprises a compression loop 10 and a plurality of cooling loops 30, wherein the compression loop 10 comprises a compressor 11, a condenser 12 and a heat exchange assembly 20 which are sequentially connected, the heat exchange assembly 20 comprises a plurality of heat exchangers 200, the compression loop 10 comprises a plurality of heat exchange branches 100 which are arranged in parallel, the plurality of heat exchangers 200 are arranged on the plurality of heat exchange branches 100 in a one-to-one correspondence manner, and the plurality of cooling loops 30 and the plurality of heat exchangers 200 are arranged in a one-to-one correspondence manner, so that cooling liquid in each cooling loop 30 flows through the corresponding heat exchanger 200. The cooling equipment of the invention drives the plurality of cooling loops 30 to refrigerate through one compressor 11, meets the cooling requirement that one cooling equipment can cool a plurality of parts of machine tool equipment at different temperatures, and maximizes the utilization of space through the arrangement mode of stacked parts, thereby greatly reducing the volume of the cooling equipment.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.