Machine tool electrical cabinet with water-cooling heat dissipation inside cabinet

Abstract

A system control module and a water-cooling heat dissipation mechanism are arranged in a cabinet body of the machine tool electrical cabinet, the water-cooling heat dissipation mechanism comprises a water-cooling exchanger and an air-cooling circulation channel, an inner cavity of the cabinet body is divided into a front cavity body and a rear cavity body by a switchboard, the top of the switchboard is provided with an air vent, and the air vent is communicated with the front cavity body and the rear cavity body. The system control module is installed on the switchboard, the water-cooling exchanger is arranged at the bottom of the front cavity, the top and the rear side of the water-cooling exchanger are provided with an air outlet and an air suction port respectively, the air outlet is located under the system control module, and the air-cooling circulation channel is defined by a channel metal plate and a rear side plate of the cabinet body. The air cooling circulation channel is arranged at the bottom of the rear cavity and communicated with an inner cavity of the rear cavity, and the air suction opening is tightly attached to the front side of the air cooling circulation channel and communicated with the air cooling circulation channel. The electrical cabinet is good in heat dissipation effect and overall sealing performance, stable temperature in the cabinet can be ensured, safe and stable operation of a system control module and all components in the cabinet is ensured, the use requirement of a high-performance multifunctional machine tool is met, and the operation stability of the machine tool is improved.

Description

Technical Field

[0001] The utility model relates to a machine tool electrical cabinet, in particular to a machine tool electrical cabinet with water cooling and heat dissipation inside the cabinet. Background Art

[0002] The heat dissipation of the machine tool electrical cabinet is one of the key factors to ensure the operation of the machine tool. It is used to ensure the stability of the machine tool signal and the safe operation and operation of the system control module and various components in the cabinet.

[0003] At present, the common cooling mechanisms in machine tool electrical cabinets are fans, heat exchangers and air conditioners. The cooling effect of fans and heat exchangers is poor and cannot meet the cooling requirements of high-performance machine tool electrical cabinets. As for air conditioning cooling, due to the limited space size of the air conditioner, the required assembly space inside and outside the cabinet is greatly increased, and the machine tool weight is also increased. Manual installation is more cumbersome, time-consuming and labor-intensive, and it is necessary to open an installation groove on the sheet metal of the electrical cabinet, which is not conducive to sheet metal sealing and affects operational stability. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides an electrical cabinet for machine tools with water cooling inside the cabinet. The electrical cabinet has good heat dissipation effect and overall sealing, which can ensure the temperature stability inside the cabinet, ensure the safe and stable operation of the system control modules and various components in the cabinet, meet the use requirements of high-performance multifunctional machine tools, and improve the stability of machine tool operation.

[0005] The technical solution adopted by the utility model to solve the above technical problems is: an in-cabinet water-cooled heat dissipation machine tool electrical cabinet, comprising a cabinet body, a system control module is arranged in the cabinet body, a water-cooled heat dissipation mechanism is arranged in the cabinet body, the water-cooled heat dissipation mechanism comprises a water-cooled exchanger and an air-cooled circulation channel, a distribution board is uprightly installed in the cabinet body, the distribution board divides the inner cavity of the cabinet body into a front cavity and a rear cavity, a vent is opened on the top of the distribution board, the front cavity and the rear cavity are communicated through the vent, the system control module is installed on the distribution board, the system control module is located in the front cavity, the water-cooled exchanger is arranged at the bottom of the front cavity, and the top and rear sides of the water-cooled exchanger are divided into An air outlet and an air intake are separately provided, the air outlet is located directly below the system control module, the air cooling circulation channel is surrounded by the channel sheet metal and the rear side panel of the cabinet, the bottom of the distribution board is close to the top of the channel sheet metal, the air cooling circulation channel is arranged at the bottom of the rear cavity, the air cooling circulation channel is communicated with the inner cavity of the rear cavity, the air intake is close to the front side of the air cooling circulation channel and is communicated with the air cooling circulation channel, during the operation of the electrical cabinet, the water cooling exchanger blows cold air upward toward the system control module through the air outlet to take away the heat of the system control module, the hot air in the front cavity flows upward, enters the rear cavity through the vent, and then enters the air cooling circulation channel, and is finally sucked away by the water cooling exchanger through the air intake.

[0006] The utility model machine tool electrical cabinet adopts a water-cooled heat dissipation mechanism inside the cabinet, divides the inner cavity of the cabinet into a front cavity and a rear cavity through a distribution board, arranges a water-cooled exchanger and an air-cooled circulation channel, and uses the air intake of the water-cooled exchanger to be close to the front side of the air-cooled circulation channel to achieve internal air intake and external air blowing, forming an air circulation exchange between the front cavity and the rear cavity, with good heat dissipation effect, ensuring stable temperature inside the cabinet, ensuring safe and stable operation of the system control module and various components inside the cabinet, and meeting the use requirements of high-performance multifunctional machine tools. In addition, the utility model machine tool electrical cabinet can effectively reduce the opening of the outer sheet metal of the cabinet, reduce the ready weight of the machine tool, reduce the processing procedures, and is conducive to improving the overall sealing of the electrical cabinet and improving the stability of the machine tool operation.

[0007] Preferably, the longitudinal section of the channel sheet metal is C-shaped, a plurality of vents are provided on the upper fold of the channel sheet metal, the air-cooling circulation channel is communicated with the inner cavity of the rear cavity through the plurality of vents, an air supply port is provided on the front side of the channel sheet metal, the air supply port is communicated with the air suction port, a reinforcing sheet metal is welded on the rear side of the channel sheet metal, a rear fold is integrally provided on the rear side of the reinforcing sheet metal, and the rear fold is welded to the front side of the rear side plate of the cabinet. The reinforcing sheet metal plays a reinforcing role, which is beneficial to increase the strength of the channel sheet metal and the cabinet.

[0008] Preferably, the longitudinal section of the channel sheet metal is C-shaped, a plurality of ventilation holes are provided on the upper folded edge of the channel sheet metal, the air-cooling circulation channel is connected with the inner cavity of the rear cavity through the plurality of ventilation holes, an air supply port is provided on the front side of the channel sheet metal, and the air supply port is connected with the air intake port.

[0009] Preferably, the switchboard is made of galvanized sheet, the cross section of the switchboard is C-shaped, the front side of the rear side plate of the cabinet is welded with reinforcing ribs, and the two side folds of the switchboard are respectively fixed to the reinforcing ribs. The switchboard is made of galvanized sheet with a C-shaped cross section, and the switchboard is fixed to the reinforcing ribs of the rear side plate of the cabinet, which has a simple structure and is easy to assemble. It is also beneficial to reduce the weight of the cabinet while ensuring the strength of the cabinet.

[0010] Further preferably, the switchboard is formed by splicing a plurality of switchboards, each of which is made of a galvanized sheet with a C-shaped cross section, and the number of the reinforcing ribs is multiple, and each side fold of each switchboard is fixed to one of the reinforcing ribs. The switchboard adopts a design of splicing a plurality of switchboards, which facilitates the flexible selection of the size and number of switchboards according to the size and model of the cabinet, and reduces the convenience of transportation, handling and assembly of the switchboard.

[0011] Preferably, the cabinet body is made of ordinary carbon structural steel welded as a whole and painted as sheet metal. The top of the cabinet body is welded with the main reinforcement of the electric cabinet. A number of lifting holes are opened on the main reinforcement of the electric cabinet. An internal threaded round steel is welded at each lifting hole. The bottom of the cabinet body is welded with a rectangular steel pipe, and the rectangular steel pipe is arranged along the width direction of the cabinet body. The design of the internal threaded round steel makes it easy to lift the cabinet body by a crane, improve the overall lifting rigidity of the cabinet body, and reduce the deformation of the lifting points near the lifting points. In actual use, when the distribution board is not installed in the cabinet body, the cabinet body can be lifted by a crane; when the distribution board is installed in the cabinet body and the cabinet body and the machine tool bed are to be installed, the use of a forklift can be considered, with the rectangular steel pipe as the forklift handling point. The cabinet body handling method can also be selected according to the actual situation, which is convenient and labor-saving.

[0012] Preferably, the number of the water-cooled exchangers is multiple, and the multiple water-cooled exchangers are arranged in parallel. The side wall of the cabinet is installed with a connected diverter block and a plurality of first quick-plug connectors. The bottom plate of the cabinet is installed with a second quick-plug connector and is provided with a cabinet bottom water inlet and a cabinet bottom water outlet. The water inlet of each water-cooled exchanger is connected to the cabinet bottom water inlet through a first quick-plug connector, and the water outlet of each water-cooled exchanger is connected to the cabinet bottom water outlet through a first quick-plug connector. The drain outlet of each water-cooled exchanger is connected to the second quick-plug connector, and the diverter block and the second quick-plug connector are respectively connected to the machine tool water cooler. The number of water-cooled exchangers can be determined according to actual usage.

[0013] Compared with the prior art, the utility model has the following advantages: the utility model has good heat dissipation effect of the water-cooled machine tool electrical cabinet in the cabinet, which can ensure the stability of the temperature in the cabinet, ensure the safe and stable operation of the system control module and various components in the cabinet, and meet the use requirements of high-performance multifunctional machine tools. In addition, the utility model machine tool electrical cabinet can effectively reduce the opening of the outer sheet metal of the cabinet, reduce the ready weight of the machine tool, reduce the processing procedures, and is conducive to improving the overall sealing of the electrical cabinet and improving the stability of the machine tool operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front side view of the electrical cabinet of the machine tool in the embodiment;

[0015] Figure 2 It is a front side view of the internal structure of the machine tool electrical cabinet in the embodiment;

[0016] Figure 3 It is a front view of the internal structure of the machine tool electrical cabinet in the embodiment;

[0017] Figure 4 for Figure 3 Middle AA section view;

[0018] Figure 5 for Figure 3 Middle BB section view;

[0019] Figure 6 for Figure 5 Enlarged view of point C in the middle;

[0020] Figure 7 Schematic diagram of the relative positions of the water-cooling exchanger and the air-cooling circulation channel in the cabinet in the embodiment;

[0021] Figure 8 for Figure 7 Enlarged view of point D in the middle;

[0022] Fig. 9 A rear side view of the channel sheet metal in the embodiment;

[0023] Fig.10 The front and side views of two selected switchboards;

[0024] The specific reference numerals in the figure are as follows:

[0025] 1-cabinet, 11-front cavity, 12-rear cavity, 13-rear side plate of the cabinet, 14-reinforcement ribs, 15-main ribs of the electric cabinet, 16-internal threaded round steel, 17-cover plate, 18-diversion block, 19-first quick-connect connector, 2-system control module, 3-water-cooled exchanger, 31-air outlet of the water-cooled exchanger, 32-air intake of the water-cooled exchanger, 33-water inlet of the water-cooled exchanger, 34-water outlet of the water-cooled exchanger, 3 5-second quick-connect connector, 36-water inlet at the bottom of the cabinet, 37-water outlet at the bottom of the cabinet, 38-drainage outlet of the water-cooled exchanger, 4-air-cooling circulation channel, 41-channel sheet metal, 42-upper folding edge of the channel sheet metal, 43-ventilation port, 44-air supply port, 45-reinforced sheet metal, 46-rear folding edge of the reinforced sheet metal, 5-distribution board, 51-ventilation port, 52-side folding edge of the distribution board, 53-hexagonal flat round head screw with washer, 54-distribution board. DETAILED DESCRIPTION

[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0027] The water-cooled heat dissipation machine tool electrical cabinet in the cabinet of the embodiment, such as Figure 1-Figure 10 As shown, it includes a cabinet 1, a system control module 2 is arranged in the cabinet 1, a water-cooling heat dissipation mechanism is arranged in the cabinet 1, and the water-cooling heat dissipation mechanism includes a water-cooling exchanger 3 and an air-cooling circulation channel 4. A distribution board 5 is vertically installed in the cabinet 1, and the distribution board 5 divides the inner cavity of the cabinet 1 into a front cavity 11 and a rear cavity 12. A vent 51 is opened on the top of the distribution board 5, and the front cavity 11 and the rear cavity 12 are connected through the vent 51. The system control module 2 is installed on the distribution board 5, and the system control module 2 is located in the front cavity 11. The water-cooling exchanger 3 and the air-cooling circulation channel 4 are arranged in the cabinet 1. The device 3 is arranged at the bottom of the front cavity 11, and the top and rear side of the water-cooled exchanger 3 are respectively provided with an air outlet 31 and an air intake 32, the air outlet 31 is located directly below the system control module 2, the air-cooling circulation channel 4 is surrounded by a channel sheet metal 41 and the rear side panel 13 of the cabinet 1, the bottom of the distribution board 5 is close to the top of the channel sheet metal 41, the air-cooling circulation channel 4 is arranged at the bottom of the rear cavity 12, the air-cooling circulation channel 4 is communicated with the inner cavity of the rear cavity 12, and the air intake 32 is close to the front side of the air-cooling circulation channel 4 and communicated with the air-cooling circulation channel 4.

[0028] In this embodiment, the longitudinal section of the channel sheet metal 4 is C-shaped, and a plurality of ventilation holes 43 are provided on the upper folded edge 42 of the channel sheet metal 4. The air-cooling circulation channel 4 is connected with the inner cavity of the rear cavity 12 through the plurality of ventilation holes 43. An air supply port 44 is provided on the front side of the channel sheet metal 4, and the air supply port 44 is connected with the air intake port 32. A reinforcing sheet metal 45 is welded to the rear side of the channel sheet metal 4, and a rear folded edge 46 is integrally provided on the rear side of the reinforcing sheet metal 45, and the rear folded edge 46 is welded to the front side of the rear side panel 13 of the cabinet 1.

[0029] In this embodiment, the distribution board 5 is made of galvanized sheet metal, and the cross-section of the distribution board 5 is C-shaped. A reinforcing rib 14 is welded on the front side of the rear side plate 13 of the cabinet 1, and the two side folded edges 52 of the distribution board 5 are respectively fixed to the reinforcing rib 14 by hexagon socket flat round head screws 53 with washers; the distribution board 5 is spliced ​​together by multiple distribution boards 54, and each distribution board 54 is made of galvanized sheet metal with a C-shaped cross-section. The number of reinforcing ribs 14 is multiple, and each side folded edge 52 of each distribution board 54 is fixed to a reinforcing rib 14.

[0030] In this embodiment, the cabinet body 1 is made of ordinary carbon structural steel welded as a whole and painted. The top of the cabinet body 1 is welded with a cabinet main body rib 15, and a plurality of lifting holes are opened on the cabinet main body rib 15. An internal threaded round steel 16 is welded at each lifting hole. A rectangular steel pipe is welded at the bottom of the cabinet body 1. The rectangular steel pipe is arranged along the width direction of the cabinet body 1. Figure 1 The middle cover plate 17 corresponds to the position of the rectangular steel pipe.

[0031] In this embodiment, there are two water-cooled exchangers 3, which are arranged in parallel. The side wall of the cabinet 1 is installed with a connected diverter block 18 and four first quick-plug connectors 19, the bottom plate of the cabinet 1 is installed with a second quick-plug connector 35 and is provided with a cabinet bottom water inlet 36 and a cabinet bottom water outlet 37. The water inlet 33 of each water-cooled exchanger 3 is connected to the cabinet bottom water inlet 36 via a first quick-plug connector 18, and the water outlet 34 of each water-cooled exchanger 3 is connected to the cabinet bottom water outlet 37 via a first quick-plug connector 19. The drain outlet 38 of each water-cooled exchanger 3 is connected to the second quick-plug connector 35. The diverter block 18 and the second quick-plug connector 35 are respectively connected to the machine tool water cooler (not shown in the figure).

[0032] The above-mentioned machine tool electrical cabinet uses the air intake 32 of the water-cooled exchanger 3 to be close to the front side of the air-cooled circulation channel 4, so as to realize internal air intake and external air blowing, and form an air circulation exchange between the front cavity 11 and the rear cavity 12, which has a good heat dissipation effect, can ensure the stability of the temperature inside the cabinet, and ensure the safe and stable operation of the system control module 2 and various components in the cabinet, so as to meet the use requirements of high-performance multifunctional machine tools. The machine tool electrical cabinet can effectively reduce the sheet metal openings on the periphery of the cabinet body 1, reduce the ready weight of the machine tool, reduce the processing procedures, and is conducive to improving the overall sealing of the electrical cabinet and improving the stability of the machine tool operation.

[0033] During the operation of the electrical cabinet, the water-cooled exchanger 3 blows cold air upward toward the system control module 2 through the air outlet 31 to take away the heat of the system control module 2. The hot air in the front cavity 11 flows upward, enters the rear cavity 12 through the vent 51, and then enters the air-cooled circulation channel 4 through a number of vents 43, and is finally sucked away by the water-cooled exchanger 3 through the air intake 32. Figure 4 The arrow in the middle shows the air circulation diagram inside the cabinet 1 during the heat dissipation process.

Claims

1. An in-cabinet water-cooling machine tool electrical cabinet, comprising a cabinet body, wherein a system control module is arranged in the cabinet body, characterized in that: A water-cooled heat dissipation mechanism is arranged in the cabinet, and the water-cooled heat dissipation mechanism includes a water-cooled exchanger and an air-cooled circulation channel. A distribution board is uprightly installed in the cabinet, and the distribution board divides the inner cavity of the cabinet into a front cavity and a rear cavity. A vent is opened on the top of the distribution board, and the front cavity and the rear cavity are communicated through the vent. The system control module is installed on the distribution board, and the system control module is located in the front cavity. The water-cooled exchanger is arranged at the bottom of the front cavity. The top and rear side of the water-cooled exchanger are respectively provided with an air outlet and an air intake, and the air outlet is located at the system control module. Directly below, the air-cooling circulation channel is surrounded by the channel sheet metal and the rear side panel of the cabinet, the bottom of the distribution board is close to the top of the channel sheet metal, the air-cooling circulation channel is arranged at the bottom of the rear cavity, the air-cooling circulation channel is communicated with the inner cavity of the rear cavity, the air intake port is close to the front side of the air-cooling circulation channel and is communicated with the air-cooling circulation channel. During the operation of the electrical cabinet, the water-cooling exchanger blows cold air upward toward the system control module through the air outlet to take away the heat of the system control module, and the hot air in the front cavity flows upward, enters the rear cavity through the air vent, and then enters the air-cooling circulation channel, and is finally sucked away by the water-cooling exchanger through the air intake port.

2. The water-cooled machine tool electrical cabinet according to claim 1, characterized in that: The longitudinal section of the channel sheet metal is C-shaped, and a plurality of ventilation holes are provided on the upper folding edge of the channel sheet metal. The air-cooling circulation channel is connected with the inner cavity of the rear cavity through the plurality of ventilation holes. An air supply port is provided on the front side of the channel sheet metal, and the air supply port is connected with the air intake port. A reinforcing sheet metal is welded to the rear side of the channel sheet metal, and a rear folding edge is integrally provided on the rear side of the reinforcing sheet metal, and the rear folding edge is welded to the front side of the rear side panel of the cabinet.

3. The water-cooled machine tool electrical cabinet according to claim 1, characterized in that: The switchboard is made of galvanized sheet, the cross section of the switchboard is C-shaped, the front side of the rear side plate of the cabinet is welded with reinforcing ribs, and the two side folds of the switchboard are respectively fixed to the reinforcing ribs.

4. The water-cooled machine tool electrical cabinet according to claim 3, characterized in that: The switchboard is formed by splicing a plurality of switchboards, each of which is made of galvanized sheet with a C-shaped cross section. The number of the reinforcing ribs is multiple, and each side fold of each switchboard is fixed to a reinforcing rib.

5. The water-cooled machine tool electrical cabinet according to claim 1, characterized in that: The cabinet body is made of ordinary carbon structural steel welded as a whole and painted. The top of the cabinet body is welded with the main reinforcement of the electric cabinet. A plurality of lifting holes are opened on the main reinforcement of the electric cabinet. An internal threaded round steel is welded at each lifting hole. The bottom of the cabinet body is welded with a rectangular steel pipe, and the rectangular steel pipe is arranged along the width direction of the cabinet body.

6. The water-cooled machine tool electrical cabinet according to claim 1, characterized in that: The number of the water-cooled exchangers is multiple, and the multiple water-cooled exchangers are arranged in parallel. The side walls of the cabinet are installed with connected diverter blocks and several first quick-plug connectors. The bottom plate of the cabinet is installed with a second quick-plug connector and is provided with a cabinet bottom water inlet and a cabinet bottom water outlet. The water inlet of each water-cooled exchanger is connected to the cabinet bottom water inlet via a first quick-plug connector, and the water outlet of each water-cooled exchanger is connected to the cabinet bottom water outlet via a first quick-plug connector. The drain outlet of each water-cooled exchanger is connected to the second quick-plug connector. The diverter block and the second quick-plug connector are respectively connected to the machine tool water cooler.

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