WO2022077928A1

WO2022077928A1 - Auxiliary apparatus for plasma cutting machine

Info

Publication number: WO2022077928A1
Application number: PCT/CN2021/097853
Authority: WO
Inventors: 曹鹏; 胡佼和
Original assignee: 浙江巨霸机电科技股份有限公司
Priority date: 2020-10-13
Filing date: 2021-06-02
Publication date: 2022-04-21
Also published as: CN112317933A

Abstract

An auxiliary apparatus for a plasma cutting machine comprises a housing (1). A heat dissipation device (2) is provided in the housing (1). A gas inlet pipe (3) and a gas outlet pipe (4) are connected to the heat dissipation device (2). A first connector (5) is connected to the gas inlet pipe (3), and a second connector (6) is connected to the gas outlet pipe (4). The auxiliary apparatus can dissipate heat from gases generated by an air compressor while achieving a simplified structure.

Description

A kind of auxiliary device for plasma cutting machine

technical field

The invention belongs to the technical field of plasma cutting machine equipment, and relates to an auxiliary device for a plasma cutting machine.

Background technique

The traditional air plasma cutting machine needs to cooperate with the air compressor. For example, the gas generated by the air compressor enters the spray gun, and is combined with the spray fire generated by the spray gun, so that the spray fire is ejected in a jet shape.

The Chinese patent document with the application number of 201820705448.7 discloses an air plasma cutting machine, including a casing and a cutting machine body, an air compressor body and an air storage tank all arranged in the casing, and an outlet of the air compressor body and an air storage tank The inner cavity of the air inlet is connected with the inner cavity, and the air transmission pipeline is also fixed in the casing. The air transmission pipeline includes an air inlet, two air outlets, and an air passage for connecting the two air outlets with the air inlet. The air inlet is connected to the above-mentioned air inlet. The inner cavity of the gas storage tank is communicated, and a pressure reducing valve for adjusting the pressure in the gas passage is installed on the gas transmission pipeline. Gas-electric integration joint, one of the gas outlet is connected with the inlet of the output gas joint, and the other gas outlet is connected with the inlet of the gas-electric integration joint through the connecting pipe, and the connecting pipe is installed with a control device for conducting or cutting off the connecting pipe. The electromagnetic valve.

The above air plasma cutting machine does not have a cooling system to cool the gas generated by the air compressor. The temperature generated by the air compressor is very high, which easily affects the normal operation of the equipment. The cutting machine and the air compressor are combined together. If the cooling system is used, the overall structure of the equipment will be very large and complex.

SUMMARY OF THE INVENTION

Aiming at the above problems in the prior art, the present invention provides an auxiliary device for a plasma cutting machine. The technical problem to be solved by the present invention is: how to dissipate heat from the gas generated by the air compressor under the condition of simplified structure.

The object of the present invention can be realized through the following technical solutions:

An auxiliary device for a plasma cutting machine, the auxiliary device comprises a casing, characterized in that a radiator is arranged in the casing, an air intake pipe and an air outlet pipe are connected to the radiator, and the air intake pipe is A first joint is connected to the upper part, and a second joint is connected to the air outlet pipe.

Its working principle is: in this auxiliary device, the first connector is used to connect the air compressor, and the second connector is used to connect the spray gun. The high-temperature gas generated by the air compressor enters the intake pipe, and the temperature decreases after the radiator dissipates heat, and then the gas flows from the air outlet pipe. The gas flows out and then enters the spray gun. The gas is combined with the spray fire produced by the spray gun to make the spray fire look like a spray. The radiator dissipates heat and cools the high temperature gas generated by the air compressor, so that the gas is not easy to cause damage to the spray gun, which ensures the normal operation of the equipment. .

The auxiliary device sets the radiator separately on the casing, and can be used in conjunction with the air compressor. The radiator and the air compressor are detachably connected, which is convenient for disassembly and assembly. There is no need to set the radiator on the air compressor. The air compressor and the spray gun can be connected, and then disassembled when not in use. They are separated from each other and do not affect each other.

In the above-mentioned auxiliary device for a plasma cutting machine, a filter is connected to the air outlet pipe, and the filter is fixed on the radiator or the casing.

In this structure, the filter and the radiator are integrated on the casing together. After the high temperature gas is cooled, part of the gas is easily liquefied into liquid, and the liquid and gas are mixed into a gas-liquid mixture. When the gas-liquid mixture passes through the filter, the filter filters This structure can not only cool the gas, but also remove the liquid in the gas, so that the temperature of the gas flowing to the spray gun is lower and drier to ensure the spray effect.

In the above-mentioned auxiliary device for a plasma cutting machine, the auxiliary device further includes a fan for cooling the radiator, and the fan is fixed on the casing or the radiator.

In this structure, the fan and the radiator are integrated on the casing together, the fan can dissipate heat on the radiator, so that the heat on the radiator can be dissipated more quickly, and the radiator can better cool the gas, thereby improving heat dissipation. The heat dissipation effect of the device on the gas. The fan can be installed on the casing or on the radiator, for example, it can be installed on the upper or lower half of the radiator, or it can be installed in the middle of the radiator. Get better cooling effect. The fan can be attached directly to the case, or it can be attached to the radiator.

In the above-mentioned auxiliary device for a plasma cutting machine, one side of the casing is provided with a through hole, and the other side of the casing is provided with a plurality of ventilation holes, and the fan is located between the ventilation holes and the ventilation holes. Between the through holes, the fan is opposite to the through holes, the first through holes are distributed along the lateral and vertical directions of the casing, and the area where the first through hole is located is opposite to the fan.

In this structure, the through holes are opposite to most of the ventilation holes, the air outside the casing can enter the fan through the through holes, and after the fan is accelerated, it flows from the ventilation hole to the outside of the casing. It not only facilitates ventilation, but also enables the wind blown by the fan to circulate more quickly, further improving the heat dissipation effect.

In the above-mentioned auxiliary device for a plasma cutting machine, a plurality of ventilation holes 2 are further opened on the casing, and a part of the ventilation holes 2 are located on the edge of an outer wall of the casing. The other part is located on the edge of the adjacent outer wall of the casing, and the two ventilation holes are distributed along the height direction of the casing.

The second ventilation hole is located at the connection between the adjacent outer walls of the casing, so that the corners of the casing can also be ventilated. In addition, the second ventilation hole distributed along the height direction of the casing allows the casing to be ventilated at different heights. , the structure brings better heat dissipation effect.

In the above-mentioned auxiliary device for a plasma cutting machine, the first connector and the second connector are made of metal materials, and a conductive member is connected between the first connector and the second connector.

The connector 1 and the connector 2 made of metal materials are connected by a conductive member, so the connector 1 and the connector 2 not only play a connecting role, but also conduct electricity and play the role of a conductive connector. The conductive member can be a conductive wire or a metal plate.

In the above-mentioned auxiliary device for a plasma cutting machine, the first joint includes a screw rod, the screw rod one has an inner cavity, the inner cavity is communicated with the air inlet pipe, and the screw rod one is penetrated in the On the casing, the outer end of the first screw rod protrudes from the casing.

The ventilation pipe on the air compressor can be connected and fixed with screw 1 through screw connection, and then the high-temperature gas generated by the air compressor enters the air inlet pipe through the inner cavity of screw 1. The structure is easy to disassemble and assemble, and the connection is stable. The outer end of the screw one protrudes from the casing, so that the ventilation pipe on the air compressor can be connected with the screw one outside the casing, which further improves the convenience of disassembly and assembly.

In the above-mentioned auxiliary device for a plasma cutting machine, the second joint includes a second screw, the second screw has an inner cavity, the inner cavity is communicated with the air inlet pipe, and the second screw is penetrated through the second screw. On the casing, the outer end of the second screw rod protrudes from the casing.

The spray gun can be connected to the second screw by screw connection, and the cooled gas from the radiator enters the air outlet pipe, and then enters the spray gun through the inner cavity of the second screw. The structure is convenient for disassembly and assembly, and the connection is stable. The outer end of the second screw rod protrudes from the casing, so that the spray gun can be connected with the second screw rod on the outside of the casing, which further improves the convenience of disassembly and assembly.

In the above-mentioned auxiliary device for a plasma cutting machine, the outer end of the first screw rod has a boss, and the first screw rod has a sliding section, and the sliding section is located on the inner side of the boss.

The sliding section is the part without thread in the first screw, the boss can abut against the outer wall of the casing to realize the limit of the screw one, or a limit block can be fixed on the boss, and the boss can be limited by the limit block. position, another limit block is set on the sliding section of the first screw, the limit block is abutted against the inner wall of the casing through a nut threaded on the first screw, and the two limit blocks clamp the casing. achieve good fixation.

As an embodiment, the structure of the second screw is the same as that of the first screw, that is, the outer end of the second screw has a boss and a sliding section.

In the above-mentioned auxiliary device for a plasma cutting machine, a handle is fixed on the top of the casing, the outer end of the second screw rod is located below the front of the handle, and the handle The extending direction is consistent with the extending direction of the second screw.

The spray gun is rod-shaped. When the spray gun is installed on the second screw, the extension direction of the spray gun and the handle is the same. After the operator grasps the handle, the spray gun is located just in front of the operator, which improves the convenience of operation. In addition, the screw The second is located under the handle, so after the spray gun is installed on the second screw, the spray gun is also located under the handle, and the flame sprayed by the spray gun is farther away from the operator's hand, which can better prevent the hand from being hurt.

Compared with the prior art, the advantages of the present invention are as follows:

1. This auxiliary device sets the radiator separately on the casing, which can be used in conjunction with the air compressor. The radiator and the air compressor can be detachably connected, which is convenient for disassembly and assembly. There is no need to set the radiator on the air compressor. As long as it is connected to the air compressor and the spray gun, it can be disassembled when not in use and separated from each other without affecting each other.

2. This auxiliary device integrates the filter and the radiator on the casing. This structure can not only cool the gas, but also remove the liquid in the gas, so that the gas flowing to the spray gun is cooler and drier to ensure the spray effect. .

Description of drawings

Fig. 1 is the structural representation of this auxiliary device;

Fig. 2 is the internal structure schematic diagram of auxiliary device;

3 is a schematic structural diagram of the auxiliary device from another perspective;

Fig. 4 is the enlarged view of A part in Fig. 3;

Fig. 5 is the structural representation of screw one;

Figure 6 is a schematic diagram of the connection of the auxiliary device with the air compressor and the spray gun.

In the figure, 1 case; 2 radiator; 3 intake pipe; 4 outlet pipe; 5 joint one; 6 joint two; 7 filter; 8 fan; 9 through hole; 10 ventilation hole one; 11 ventilation hole two; 12 screw 1; 13 screw two; 14 boss; 15 sliding section; 16 handle; 17 air compressor; 18 spray gun; 19 limit block; 20 conductive parts.

Detailed ways

The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in Figures 1 and 2, the auxiliary device includes a casing 1, a radiator 2 is arranged in the casing 1, an air inlet pipe 3 and an air outlet pipe 4 are connected to the radiator 2, and a joint 1 5 is connected to the air inlet pipe 3, A joint two 6 is connected to the air outlet pipe 4 .

As shown in FIG. 6 , in this auxiliary device, the first connector 5 is used to connect the air compressor 17 , and the second connector 6 is used to connect the spray gun 18 . The temperature decreases, and then the gas flows out from the air outlet pipe 4 and then enters the spray gun 18. The gas combines with the spray fire generated by the spray gun 18 to make the spray fire in a spray shape. The radiator 2 dissipates the high temperature gas generated by the air compressor 17. It is not easy to cause damage to the spray gun 18, and it is very good to ensure the normal operation of the equipment.

As shown in FIG. 2 , in this embodiment, a filter 7 is connected to the air outlet pipe 4 , and the filter 7 is fixed on the radiator 2 or the casing 1 .

In this structure, the filter 7 and the radiator 2 are integrated on the casing 1 together. After the high temperature gas is cooled, part of the gas is easily liquefied into liquid, and the liquid and the gas are mixed into a gas-liquid mixture. When the gas-liquid mixture passes through the filter 7 , the filter 7 filters out the liquid, and the gas comes out of the filter 7 and continues to flow to the spray gun 18. This structure can not only cool the gas, but also remove the liquid in the gas, so that the gas flowing to the spray gun 18 has a lower temperature and is drier , to ensure the spray effect.

As shown in FIG. 2 , in this embodiment, the auxiliary device further includes a fan 8 for cooling the radiator 2 , and the fan 8 is fixed on the casing 1 or the radiator 2 .

In this structure, the fan 8 and the radiator 2 are integrated on the casing 1 together, and the fan 8 can dissipate heat to the radiator 2, so that the heat on the radiator 2 can be dissipated more quickly, and the radiator 2 can better The temperature of the gas is lowered, thereby improving the heat dissipation effect of the radiator 2 on the gas. The fan 8 can be installed on the casing 1 or on the radiator 2, for example, in the upper or lower half of the radiator 2, or in the middle of the radiator 2. At this time, the fan 8 can The radiator 2 conducts overall heat dissipation to obtain better heat dissipation effect. The fan 8 can be directly fixed on the casing 1 or can be fixed on the radiator 2 .

As shown in Figures 1 and 3, in this embodiment, one side of the casing 1 is provided with a through hole 9, the other side of the casing 1 is provided with a number of ventilation holes 10, and the fan 8 is located between the ventilation hole 1 10 and the through hole 9, the fan 8 is opposite to the through hole 9, the through holes 9 are distributed along the lateral and vertical directions of the casing 1, and the area where the through hole 9 is located is opposite to the fan 8.

In this structure, the through hole 9 is opposite to most of the ventilation holes 1 10, the air outside the casing 1 can enter the fan 8 through the through hole 9, and after being accelerated by the fan 8, it flows from the ventilation hole 1 10 to the casing 1. In addition, the through hole 9 and the ventilation hole 1 10 not only facilitate ventilation, but also enable the wind blown by the fan 8 to circulate more quickly, thereby further improving the heat dissipation effect.

As shown in FIGS. 3 and 4 , in this embodiment, a plurality of ventilation holes 11 are also opened on the casing 1 . A part of the ventilation holes 11 is located on the edge of an outer wall of the casing 1 , and the other part of the ventilation holes 11 is located on the edge of an outer wall of the casing 1 . Located on the edge of the adjacent outer wall of the casing 1 , the second ventilation holes 11 are distributed along the height direction of the casing 1 .

The second ventilation holes 11 are located at the junction of the adjacent outer walls of the casing 1, so that the corners of the casing 1 can also be ventilated. In addition, the second ventilation holes 11 distributed along the height direction of the casing 1 make the casing 1 different heights It can be ventilated at all positions, and the structure brings better heat dissipation effect.

As an embodiment, the first connector 5 and the second connector 6 are made of metal materials, and a conductive member 20 is connected between the first connector 5 and the second connector 6 .

The connector 1 5 and the connector 2 6 made of metal materials are connected by the conductive member 20, so the connector 1 5 and the connector 2 6 not only play a connection role, but also conduct electricity and play the role of a conductive connector. The conductive member 20 may be a conductive wire or a metal plate.

As shown in FIG. 1 , in this embodiment, the first joint 5 includes a screw one 12, the screw one 12 has an inner cavity, and the inner cavity is communicated with the air intake pipe 3, the screw one 12 is penetrated on the casing 1, and the screw one 12 has an inner cavity. The outer end protrudes from the inside of the casing 1 .

The ventilation pipe on the air compressor 17 can be connected and fixed with the screw one 12 by means of screw connection, and then the high-temperature gas generated by the air compressor 17 enters the air intake pipe 3 through the inner cavity of the screw one 12, and the structure is easy to disassemble and assemble , the connection is stable. The outer end of the screw one 12 protrudes from the casing 1, so that the ventilation pipe on the air compressor 17 can be connected with the screw one 12 outside the casing 1, which further improves the convenience of disassembly and assembly.

As shown in FIG. 1 , in this embodiment, the second joint 6 includes a second screw 13 , the second screw 13 has an inner cavity, and the inner cavity is communicated with the air intake pipe 3 , the second screw 13 is penetrated on the casing 1 , and the second screw 13 has an inner cavity. The outer end protrudes from the inside of the casing 1 .

The spray gun 18 can be connected with the second screw 13 by means of screw connection, and the cooled gas from the radiator 2 enters the air outlet pipe 4, and then enters the spray gun 18 through the inner cavity of the second screw 13. The structure is easy to disassemble and assemble, and the connection is stable. . The outer end of the second screw 13 protrudes from the casing 1, so that the spray gun 18 can be connected to the second screw 13 outside the casing 1, which further improves the convenience of disassembly and assembly.

As shown in FIG. 5 , in this embodiment, the outer end of the first screw 12 has a boss 14 , and the first screw 12 has a sliding section 15 , and the sliding section 15 is located inside the boss 14 .

The sliding section 15 is the part without thread in the screw one 12. The boss 14 can abut against the outer wall of the casing 1 to realize the limit of the screw one 12, and the limit block 19 can also be fixed on the boss 14. The position block 19 limits the position of the boss 14, and another limit block 19 is sleeved on the sliding section 15 of the screw one 12, and the limit block 19 is connected to the casing 1 through a nut threaded on the screw one 12. The inner walls abut against each other, and the two limit blocks 19 clamp the casing 1 to achieve good fixation.

As an example, the second screw 13 has the same structure as the first screw 12, that is, the outer end of the second screw 13 has a boss 14 and a sliding section 15.

As shown in Figures 1 and 6, in this embodiment, a handle 16 is fixed on the top of the casing 1, the outer end of the second screw 13 is located below the front of the handle 16, and the extension direction of the handle 16 is the same as that of the second screw 13 extends in the same direction.

The spray gun 18 is in the shape of a rod. When the spray gun 18 is installed on the second screw 13, the extension direction of the spray gun 18 and the handle 16 is the same. The convenience of operation, in addition, the second screw 13 is located below the handle 16, so after the spray gun 18 is installed on the second screw 13, the spray gun 18 is also located under the handle 16, and the flame sprayed by the spray gun 18 is farther away from the operator's hand , better to avoid hand injury.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention pertains can make various modifications or additions to the described specific embodiments or substitute in similar manners, but will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

Claims

An auxiliary device for a plasma cutting machine, the auxiliary device comprises a casing (1), characterized in that a radiator (2) is arranged in the casing (1), and a radiator (2) is provided on the radiator (2). An air inlet pipe (3) and an air outlet pipe (4) are connected, the air inlet pipe (3) is connected with a joint one (5), and the air outlet pipe (4) is connected with a joint two (6).
The auxiliary device for a plasma cutting machine according to claim 1, wherein a filter (7) is connected to the air outlet pipe (4), and the filter (7) is fixed on the heat sink on the device (2) or on the casing (1).
An auxiliary device for a plasma cutting machine according to claim 1, characterized in that the auxiliary device further comprises a fan (8) for cooling the radiator (2), the fan (8) Fixed on the case (1) or on the radiator (2).
The auxiliary device for a plasma cutting machine according to claim 3, wherein a through hole (9) is opened on one side of the casing (1), and a through hole (9) is opened on the other side of the casing (1) There are several ventilation holes (10), the fan (8) is located between the ventilation hole (10) and the through hole (9), and the fan (8) is opposite to the through hole (9) The through holes (9) are distributed along the lateral and vertical directions of the casing (1), and the area where the through holes (9) are located is opposite to the fan (8).
The auxiliary device for a plasma cutting machine according to claim 1, wherein the casing (1) is further provided with a plurality of ventilation holes (11), One part is located on the edge of one outer wall of the casing (1), and the other part of the ventilation holes (11) is located on the edge of the adjacent outer wall of the casing (1). 1) in the height direction distribution.
An auxiliary device for a plasma cutting machine according to claim 1, characterized in that the first joint (5) and the second joint (6) are made of metal materials, and the first joint (5) and the joint A conductive member (20) is connected between the two (6).
The auxiliary device for a plasma cutting machine according to claim 1, wherein the first joint (5) comprises a screw one (12), the screw one (12) has an inner cavity, and the inner The cavity is communicated with the air inlet pipe (3), the screw one (12) is penetrated on the casing (1), and the outer end of the screw one (12) protrudes from the casing (1).
The auxiliary device for a plasma cutting machine according to claim 1, wherein the second joint (6) comprises a second screw (13), and the second screw (13) has an inner cavity, and the inner The cavity is communicated with the air inlet pipe (3), the second screw (13) is penetrated on the casing (1), and the outer end of the second screw (13) protrudes from the casing (1).
The auxiliary device for a plasma cutting machine according to claim 7, wherein the outer end of the first screw (12) has a boss (14), and the first screw (12) has a sliding Section (15), the sliding section (15) is located on the inner side of the boss (14).
An auxiliary device for a plasma cutting machine according to claim 1, characterized in that a handle (16) is fixed on the top of the casing (1), and the outer end of the second screw (13) Located below the front part of the handle (16), the extension direction of the handle (16) is consistent with the extension direction of the second screw (13).