阅读说明：本技术 一种等离子切割机 (Plasma cutting machine ) 是由 王兵 于 2021-10-14 设计创作，主要内容包括：本申请涉及一种等离子切割机,属于等离子切割设备技术领域,包括机体以及切割枪,所述切割枪连接有切割气管,所述切割枪通过切割气管连接在机体上,所述机体内还安装有装载箱,所述装载箱内可拆卸设置有储气装置,所述储气装置用于储存空压机压出的气体,所述机体上连通设置有接气管,所述接气管穿过机体后延伸至装载箱内并与储气装置相连通。本申请具有改善等离子切割机的切割能力较弱的问题的效果。(The utility model relates to a plasma cutting machine belongs to plasma cutting equipment technical field, including organism and cutting torch, the cutting torch is connected with the cutting trachea, the cutting torch is connected on the organism through the cutting trachea, still install in the organism and load the case, it can dismantle in the case and be provided with gas storage device to load, gas storage device is used for storing the gas of air compressor machine extrusion, the intercommunication is provided with and connects the trachea on the organism, connect the trachea to extend to and load the incasement and be linked together with gas storage device after passing the organism. The plasma cutting machine has the effect of improving the problem that the cutting capacity of the plasma cutting machine is weak.)

1. The utility model provides a plasma cutting machine, includes organism (1) and cutting gun (11), cutting gun (11) are connected with cutting trachea (12), cutting gun (11) are connected on organism (1) through cutting trachea (12), its characterized in that: still install in organism (1) and load case (2), can dismantle in loading case (2) and be provided with gas storage device (3), gas storage device (3) are used for storing the gas of air compressor machine extrusion, the intercommunication is provided with on organism (1) and connects trachea (13), connect trachea (13) to extend to in loading case (2) and be linked together with gas storage device (3) after passing organism (1).

2. The plasma cutter according to claim 1, characterized in that: the gas storage device (3) comprises a first barrel (31), a second barrel (32) and a communicating pipe (33), one end of the communicating pipe (33) is communicated with the first barrel (31), the other end of the communicating pipe is communicated with the second barrel (32), an air outlet pipe (311) is communicated with the first barrel (31), the air outlet pipe (311) is used for being communicated with an air receiving pipe (13), an air inlet pipe (321) is communicated with the second barrel (32), and the air inlet pipe (321) is communicated with an external air compressor.

3. A plasma cutter according to claim 2, characterized in that: and the cylinder wall of the first cylinder (31) close to the top is communicated with the cylinder wall of the second cylinder (32) close to the top to form a pressure relief pipe (4), and the pressure relief pipe (4) is provided with a pressure relief valve (41).

4. A plasma cutter according to claim 2, characterized in that: the bottom of the first barrel (31) and the bottom of the second barrel (32) are both communicated with a drain pipe (5), and a drain valve (51) is mounted on the drain pipe (5).

5. A plasma cutter according to claim 2, characterized in that: an adsorption piece (6) is installed in the communicating pipe (33), and the adsorption piece (6) is used for filtering moisture in the compressed gas.

6. A plasma cutter according to claim 2, characterized in that: an opening at the upper end of the loading box (2) is arranged, an upper covering plate (7) is hinged above the opening of the loading box (2), a lower covering plate (8) is arranged in the loading box (2) below the opening in a sliding manner, and the upper covering plate (7) and the lower covering plate (8) respectively cover half of the area of the opening of the loading box (2); two placing grooves (21) are formed in the inner bottom wall of the loading box (2), and the two placing grooves (21) are respectively used for placing a first barrel (31) and a second barrel (32); the loading box (2) is also internally provided with a propping device (9), and the propping device (9) props or loosens the first cylinder (31) and the second cylinder (32) along with the movement of the lower cover plate (8).

7. The plasma cutter according to claim 6, wherein: all be provided with track (22) on two inside walls that are close to the opening part in loading case (2), spout (221) have been seted up along the length direction of track (22) on track (22), be provided with slider (81) down on apron (8), slider (81) are through spout (221) and track (22) sliding fit, just apron (8) are laminated mutually with last apron (7) down.

8. The plasma cutter according to claim 7, wherein: a push-pull handle (82) is arranged on the upper plate surface of the lower covering plate (8), an elongated groove (71) is formed in the upper covering plate (7), and the length direction of the elongated groove (71) is consistent with that of the rail (22); when the lower cover plate (8) is positioned right below the upper cover plate (7), the push-pull handle (82) is positioned in the strip-shaped groove (71).

9. The plasma cutter according to claim 6, wherein: the abutting device (9) comprises a connecting assembly (91), a left extrusion assembly (92) and a right extrusion assembly (93); the connecting assembly (91) is mounted on the lower cover plate (8), the left squeezing assembly (92) is connected with the lower cover plate (8) through the connecting assembly (91), and the left squeezing assembly (92) applies thrust to the second cylinder (32) side on the first cylinder (31) along with the sliding of the lower cover plate (8); the right extrusion component (93) is installed on the inner end wall of the loading box (2), the right extrusion component (93) is abutted to the cylinder wall, far away from the first cylinder (31), of the second cylinder (32), and the first cylinder (31) and the second cylinder (32) are clamped between the left extrusion component (92) and the right extrusion component (93).

10. The plasma cutter according to claim 9, wherein: the connecting assembly (91) comprises a connecting rod (911), and one end of the connecting rod (911) is connected with the lower plate surface of the lower covering plate (8);

the left extrusion component (92) comprises a sleeve (921), a moving rod (922), a left arc-shaped abutting plate (923) and a spring (924), the sleeve (921) is arranged on the inner end wall of the loading box (2), the length direction of the sleeve (921) is consistent with the sliding direction of the lower covering plate (8), the moving rod (922) is inserted in the sleeve (921) in a sliding manner, one end of the connecting rod (911) far away from the lower covering plate (8) is connected with the rod wall of the moving rod (922) far away from the sleeve (921), the left arc-shaped abutting plate (923) is arranged at one end of the moving rod (922) far away from the sleeve (921), the inner arc side of the left arc-shaped abutting plate (923) is just opposite to the side wall of the first cylinder body (31) far away from the second cylinder body (32), the spring (924) is arranged in the sleeve (921), and the spring (924) enables the moving rod (922) to always have the tendency of moving towards the side close to the first cylinder (31);

right side extrusion subassembly (93) include straight-bar (931) and right arc and support board (932), straight-bar (931) are installed and are being loaded case (2) and keep away from the interior end wall of sleeve (921), right side arc supports board (932) and installs the tip at straight-bar (931), right side arc supports the interior arc side of board (932) just right the lateral wall of first barrel (31) is kept away from in second barrel (32), just right side arc supports board (932) and left arc and supports board (923) just mutually.

Technical Field

The application relates to the technical field of plasma cutting equipment, in particular to a plasma cutting machine.

Background

The plasma cutting machine can be matched with different working gases to cut various metals which are difficult to cut by oxygen, particularly non-ferrous metals such as: the cutting effect is better by stainless steel, carbon steel, aluminum, copper, titanium or nickel and the like; the plasma cutting method has the main advantages that when metal with small thickness is cut, the plasma cutting speed is high, particularly when a common carbon steel sheet is cut, the speed can reach 5-6 times that of an oxygen cutting method, a cutting surface is smooth and clean, the thermal deformation is small, and a heat affected zone is almost absent. The gas commonly used in the cutting process of the plasma is air, the air is compressed by an air compressor, filtered by a filtering and pressure regulating valve and then reaches a plasma cutting machine power supply to cut the plate.

In view of the above-mentioned related art, the inventor believes that when the plasma cutting machine is connected with the air compressor and then works, the air compressor is likely to have unstable pressure or insufficient pressure of the supplied air source, which results in the cutting capability of the plasma cutting machine being weakened.

Disclosure of Invention

In order to solve the problem that the cutting capability of a plasma cutting machine is weak, the application provides the plasma cutting machine.

The application provides a plasma cutting machine adopts following technical scheme:

the utility model provides a plasma cutting machine, includes organism and cutting torch, cutting torch is connected with the cutting trachea, cutting torch passes through the cutting trachea and connects on the organism, still install in the organism and load the case, loading incasement can dismantle and be provided with gas storage device, gas storage device is used for storing the gas of air compressor machine extrusion, the intercommunication is provided with on the organism and connects the trachea, connect the trachea to extend to after the organism passes and load the incasement and be linked together with gas storage device.

Through adopting above-mentioned technical scheme, at first pack into the gas storage device and load the incasement, link to each other air compressor machine and gas storage device to connect the trachea also to link to each other with gas storage device, then discharge the compressed air in the air compressor machine and store in advance in the gas storage device, make the compressed air in the gas storage device constantly increase, compressed air's pressure also increases. And finally, the compressed air after secondary compression is directly discharged into the machine body through the air receiving pipe, so that the compressed air in the air storage device is supplied to the machine body for use through the air receiving pipe. After the arrangement, compressed air generated by the air compressor can be stored into the air storage device in advance, after enough compressed air is stored in the air storage device, the pressure intensity of the air compressor is improved, and then the air compressor is discharged to keep stable continuous pressure output, so that the problem that the cutting capacity of the plasma cutting machine is weak is solved.

Optionally, the gas storage device includes a first cylinder, a second cylinder and a communicating pipe, one end of the communicating pipe is communicated with the first cylinder, the other end of the communicating pipe is communicated with the second cylinder, the first cylinder is communicated with a gas outlet pipe, the gas outlet pipe is used for being communicated with the gas receiving pipe, the second cylinder is communicated with a gas inlet pipe, and the gas inlet pipe is communicated with an external air compressor.

Through adopting above-mentioned technical scheme, let the second barrel be connected with the air compressor machine through the intake pipe for in compressed air in the air compressor machine can directly enter into the second barrel through the intake pipe, compressed air can be piled up in the second barrel constantly after that, and through communicating pipe reentrant first barrel, make first barrel and second barrel in all store more compressed air. After being connected through outlet duct and connecting pipe, let first barrel and organism realize the intercommunication, just can conveniently discharge the compressed air of storing in first barrel and the second barrel directly into the organism and use this moment, reach the effect that promotes gas storage device's gas storage capacity.

Optionally, a pressure relief pipe is communicated with the cylinder wall of the first cylinder close to the top and the cylinder wall of the second cylinder close to the top, and a pressure relief valve is installed on the pressure relief pipe.

Through adopting above-mentioned technical scheme, when the compressed air pressure in first barrel and the second barrel was too big, can directly open the relief valve, released partly compressed air through the relief pipe, reached the effect of conveniently adjusting the pressure in first barrel and the second barrel.

Optionally, the bottom of the first barrel and the bottom of the second barrel are both communicated with a drain pipe, and a drain valve is mounted on the drain pipe.

Through adopting above-mentioned technical scheme, after the air is compressed, moisture in the air then can be appeared to can let and produce ponding in first barrel and the second barrel, consequently directly open the valve that drains, pass through the drain pipe with remaining ponding in first barrel and the second barrel and discharge, reach the comparatively convenient effect of discharge ponding.

Optionally, an adsorption piece is installed in the communication pipe and used for adsorbing moisture in the compressed gas.

Through adopting above-mentioned technical scheme, the absorption piece can further adsorb being in the moisture that enters into in the first barrel compressed air from the second barrel for the moisture of the compressed air who stores in the first barrel reduces, and the moisture content of the compressed air who discharges into the organism at last in the first barrel also reduces. Because contain the compressed air of more moisture and lead to the cutting torch to take place the short circuit easily when supplying the cutting torch to use after discharging into the organism, consequently can reduce the probability that the cutting torch takes place the short circuit after setting up like this.

Optionally, an opening at the upper end of the loading box is provided, an upper cover plate is hinged above the opening of the loading box, a lower cover plate is slidably arranged in the loading box below the opening, and the upper cover plate and the lower cover plate cover half of the area of the opening of the loading box respectively; two placing grooves are formed in the inner bottom wall of the loading box, and the two placing grooves are used for placing a first barrel and a second barrel respectively; and a tight-supporting device is also arranged in the loading box, and the tight-supporting device supports or loosens the first cylinder and the second cylinder along with the movement of the lower covering plate.

By adopting the technical scheme, when the gas storage device is installed in the loading box, the lower covering plate is firstly slid to be right below the upper covering plate, so that the lower covering plate is overlapped with the upper covering plate, and a half opening of the loading box is opened; then put into the loading case through the opening gas storage device to let first barrel and second barrel be in two standing grooves respectively, then with lower cover plate from the below roll-off of last cover plate and cover loading case open-ended half uncovered again, and cover the open-ended in-process down in the cover plate removal, support tight device and just can support first barrel and second barrel tightly, make first barrel and second barrel be in the loading case steadily, reach the effect of installing gas storage device in the loading case steadily.

Optionally, all be provided with the track on two inside walls that are close to the opening part in the loading case, the spout has been seted up along orbital length direction on the track, be provided with the slider down on the apron, the slider passes through spout and track sliding fit, just the apron laminates mutually with last apron down.

Through adopting above-mentioned technical scheme, through the setting of slider and spout, can let down the apron slide on the track steadily to reach and let down the apron can be at the normal gliding effect of opening part of loading the case.

Optionally, a push-pull handle is arranged on the upper plate surface of the lower covering plate, a strip-shaped groove is formed in the upper covering plate, and the length direction of the strip-shaped groove is consistent with that of the track; when the lower cover plate is positioned right below the upper cover plate, the push-pull handle is positioned in the strip-shaped groove.

By adopting the technical scheme, the arrangement of the push-pull handle can facilitate an operator to drive the lower covering plate to move from the outer side of the loading box; and the setting in rectangular shape groove then can make things convenient for operating personnel to remove lower cover plate to the under of supreme cover plate through the push-and-pull handle.

Optionally, the abutting device comprises a connecting assembly, a left extrusion assembly and a right extrusion assembly; the connecting assembly is mounted on the lower cover plate, the left squeezing assembly is connected with the lower cover plate through the connecting assembly, and the left squeezing assembly applies thrust to the first cylinder body towards the second cylinder body side along with the sliding of the lower cover plate; the right extrusion assembly is installed on the inner end wall of the loading box, the right extrusion assembly is abutted to the cylinder wall of the second cylinder body far away from the first cylinder body, and the first cylinder body and the second cylinder body are clamped between the left extrusion assembly and the right extrusion assembly.

Through adopting above-mentioned technical scheme, all place first barrel and second barrel in the standing groove back, through the push-and-pull handle under the apron from the apron roll-off, left side extrusion subassembly can be taken by lower apron and remove this moment, after half opening that the loading case of upper apron will be kept away from to the apron covers, left side extrusion subassembly can exert thrust to the lateral wall of first barrel, and right side extrusion subassembly then the butt is kept away from the section of thick bamboo wall of first barrel at the second barrel, relative effort when through left side extrusion subassembly and right side extrusion subassembly can let first barrel and second barrel be by butt steadily in loading the case, thereby realize the stable installation to gas storage device.

Optionally, the connecting assembly includes a connecting rod, and one end of the connecting rod is connected with the lower plate surface of the lower cover plate;

the left extrusion assembly comprises a sleeve, a moving rod, a left arc-shaped abutting plate and a spring, the sleeve is installed on the inner end wall of the loading box, the length direction of the sleeve is consistent with the sliding direction of the lower covering plate, the moving rod is slidably inserted into the sleeve, one end, far away from the lower covering plate, of the connecting rod is connected with the rod wall, far away from the sleeve, of the moving rod, the left arc-shaped abutting plate is installed at one end, far away from the sleeve, of the moving rod, the inner arc side of the left arc-shaped abutting plate is opposite to the side wall, far away from the second barrel, of the first barrel, the spring is arranged in the sleeve, and the moving rod always has the tendency of moving towards the side close to the first barrel due to the spring;

the right extrusion assembly comprises a straight rod and a right arc-shaped abutting plate, the straight rod is installed on the inner end wall, far away from the sleeve, of the loading box, the right arc-shaped abutting plate is installed at the end portion of the straight rod, the inner arc side of the right arc-shaped abutting plate is right opposite to the side wall, far away from the first barrel, of the second barrel, and the right arc-shaped abutting plate is right opposite to the left arc-shaped abutting plate.

By adopting the technical scheme, when the first barrel and the second barrel in the placing groove are abutted, the push-pull handle is manually held firstly, and then the lower covering plate is moved out from the position right below the upper covering plate, so that the lower covering plate moves along the length direction of the track, and at the moment, the connecting rod also moves along with the lower covering plate, and then the moving rod is driven to slide out of the sleeve and move towards the direction close to the first barrel; the cover plate shields the back to the second half opening of loading the case completely down, the carriage release lever also can take left arc to support the board butt on the lateral wall of first barrel this moment, and the spring can let the carriage release lever have the trend of moving to being close to first barrel side all the time, consequently the spring also can exert the thrust that moves outside the sleeve to certain ground to the carriage release lever, thereby this part thrust can change into the pressure that left arc supported the board and applyed to first barrel lateral wall, and then realize supporting tightly to first barrel, and the second barrel then can receive the butt of right arc to support the board, make left arc support board and right arc support the board with first barrel and second barrel butt in the centre, let first barrel and second barrel stably locate in the standing groove, reach the effect to first barrel and second barrel stable erection and make things convenient for the butt.

In summary, the present application includes at least one of the following beneficial technical effects:

1. firstly, the air storage device is arranged in the loading box, then the air compressor is connected with the air storage device, the air receiving pipe is also connected with the air storage device, and then compressed air in the air compressor is discharged into the air storage device to be stored in advance, so that the compressed air in the air storage device is continuously increased, and the pressure of the compressed air is also increased. And finally, the compressed air after secondary compression is directly discharged into the machine body through the air receiving pipe, so that the compressed air in the air storage device is supplied to the machine body for use through the air receiving pipe. After the arrangement, compressed air generated by the air compressor can be stored into the air storage device in advance, after enough compressed air is stored in the air storage device, the pressure intensity of the air compressor is improved, and then the air compressor is discharged to keep stable continuous pressure output, so that the problem that the cutting capacity of the plasma cutting machine is weak is solved;

2. let the second barrel be connected with the air compressor machine through the intake pipe for in compressed air in the air compressor machine can directly enter into the second barrel through the intake pipe, compressed air can be piled up in the second barrel constantly after that, and through communicating pipe reentrant first barrel in, make first barrel and second barrel in all store more compressed air. After the air outlet pipe is connected with the air receiving pipe, the first cylinder body is communicated with the machine body, compressed air stored in the first cylinder body and the second cylinder body can be conveniently and directly discharged into the machine body for use, and the effect of improving the air storage capacity of the air storage device is achieved;

3. when the first barrel and the second barrel in the placing groove are abutted, the push-pull handle is manually held firstly, and then the lower covering plate is moved out from the position under the upper covering plate, so that the lower covering plate moves along the length direction of the track, and at the moment, the connecting rod also moves along with the lower covering plate, and then the moving rod is driven to slide out of the sleeve and move towards the direction close to the first barrel; the cover plate shields the back to the second half opening of loading the case completely down, the carriage release lever also can take left arc to support the board butt on the lateral wall of first barrel this moment, and the spring can let the carriage release lever have the trend of moving to being close to first barrel side all the time, consequently the spring also can exert the thrust that moves outside the sleeve to certain ground to the carriage release lever, thereby this part thrust can change into the pressure that left arc supported the board and applyed to first barrel lateral wall, and then realize supporting tightly to first barrel, and the second barrel then can receive the butt of right arc to support the board, make left arc support board and right arc support the board with first barrel and second barrel butt in the centre, let first barrel and second barrel stably locate in the standing groove, reach the effect to first barrel and second barrel stable erection and make things convenient for the butt.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a partial sectional view of the present application for showing the internal structure of the loading compartment.

Fig. 3 is a partial sectional view of the present application showing the structure inside the loading compartment in isolation.

Fig. 4 is an enlarged view of a portion a in fig. 3.

FIG. 5 is a partial schematic view illustrating a connection relationship between an upper cover and a lower cover according to an embodiment of the present application.

Description of reference numerals:

1. a body; 11. cutting the torch; 12. cutting the trachea; 13. a gas receiving pipe; 2. a loading bin; 21. a placement groove; 22. a track; 221. a chute; 3. a gas storage device; 31. a first cylinder; 311. an air outlet pipe; 32. a second cylinder; 321. an air inlet pipe; 33. a communicating pipe; 4. a pressure relief pipe; 41. a pressure relief valve; 5. a drain pipe; 51. a water drain valve; 6. an adsorbing member; 7. an upper cover plate; 71. a strip-shaped groove; 72. a blocking member; 721. inserting a cylinder; 722. a bolt; 723. a barrier strip; 8. a lower cover plate; 81. a slider; 82. a push-pull handle; 9. a tightening device; 91. a connecting assembly; 911. a connecting rod; 92. a left extrusion assembly; 921. a sleeve; 922. a travel bar; 923. a left arc-shaped abutting plate; 924. a spring; 93. a right extrusion assembly; 931. a straight rod; 932. a right arc-shaped abutting plate; 10. a universal wheel.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a plasma cutting machine, referring to fig. 1, the plasma cutting machine comprises a machine body 1 and a cutting gun 11, wherein the cutting gun 11 is specially used for cutting various metals, and the cutting gun 11 is connected with the machine body 1 through a cutting air pipe 12; a loading box 2 is arranged in the machine body 1, the loading box 2 is cuboid in the shape of the embodiment and is a complete cuboid as the original machine body 1; moreover, one side of the loading box 2 is opened, a shielding plate is connected to the machine body 1 corresponding to one side of the loading box 2 through a bolt, and all structures in the loading box 2 can be exposed by removing the shielding plate. The loading box 2 is internally and detachably provided with an air storage device 3, and the air storage device 3 is used for storing air pressed out by the air compressor; an air receiving pipe 13 is communicated with the machine body 1, and the air receiving pipe 13 is used for being communicated with the air storage device 3, so that compressed air stored in the air storage device 3 is introduced into the machine body 1 for use.

As shown in fig. 2 and 3, the gas storage device 3 includes a first cylinder 31, a second cylinder 32, and a communication pipe 33; the first cylinder 31 and the second cylinder 32 have the same shape and size, the communication pipe 33 is disposed between the first cylinder 31 and the second cylinder 32, and one end of the communication pipe 33 communicates with the inside of the first cylinder 31 and the other end communicates with the inside of the second cylinder 32. In the present embodiment, the communication pipe 33 may be provided in plurality. When the first cylinder 31 and the second cylinder 32 are placed in the loading box 2, both are vertically placed. When the first cylinder 31 and the second cylinder 32 are in a vertical state, the cylinder wall of the first cylinder 31 close to the top is communicated with an air outlet pipe 311, and the air outlet pipe 311 is used for being communicated with an air receiving pipe 13 on the machine body 1; and an air inlet pipe 321 is communicated with the cylinder wall of the second cylinder 32 close to the bottom, and the air inlet pipe 321 is used for being communicated with an air compressor outside the loading box 2. It should be noted that valves are disposed on the air outlet pipe 311 and the air inlet pipe 321, and the valves are used for communication and closing of the air outlet pipe 311 and the air inlet pipe 321. The valve on the air inlet pipe 321 is a one-way valve, so that compressed air input into the second cylinder 32 by the air compressor can only not enter, and thus the pressure of the compressed air in the second cylinder 32 and the compressed air in the first cylinder 31 can be increased in the process of gradual input, so that the pressure is higher when the compressed air is discharged from the air outlet pipe 311 side, and the problem of insufficient pressure of the plasma cutting machine is solved; in this embodiment, the air compressor may be externally connected or internally connected, and if the air compressor is externally connected, the air inlet pipe 321 extends out of the loading box 2; if the air compressor is a built-in air compressor, the air inlet pipe 321 is directly communicated with the built-in air compressor inside the loading box 2.

Let second barrel 32 be connected with the air compressor machine through intake pipe 321 for compressed air in the air compressor machine can directly enter into in the second barrel 32 through intake pipe 321, and compressed air can be constantly piled up in second barrel 32 after that, and through communicating pipe 33 reentrant first barrel 31 in, make and all store more compressed air in first barrel 31 and the second barrel 32. After being connected with air receiving pipe 13 through outlet duct 311, let first barrel 31 and organism 1 realize the intercommunication, just can conveniently discharge the compressed air of storing in first barrel 31 and the second barrel 32 directly into organism 1 this moment and use, reach the effect that promotes gas storage capacity of gas storage device 3.

As shown in fig. 2 and 3, the pressure relief pipe 4 is provided in communication with both the first cylinder 31 near the top and the second cylinder 32 near the top, and a pressure relief valve 41 is attached to the pressure relief pipe 4. After the check valve on the air inlet pipe 321 is opened, the compressed air in the second cylinder 32 of the air compressor can only enter, so that the pressure in the first cylinder 31 and the pressure in the second cylinder 32 can gradually increase, and after the pressure exceeds a predetermined pressure range, a part of the compressed air in the first cylinder 31 and the second cylinder 32 can be manually discharged by opening the pressure release valve 41, so that the first cylinder 31 and the second cylinder 32 can be kept in a relatively safe pressure range.

As shown in fig. 3, the drain pipe 5 is also provided in communication with both the bottom of the first cylinder 31 and the bottom of the second cylinder 32, and the drain pipe 5 is provided with a drain valve 51. After the air is compressed, moisture in the air can then be separated out to can let first barrel 31 and second barrel 32 in produce ponding, consequently directly open drain valve 51, pass through drain pipe 5 with remaining ponding in first barrel 31 and the second barrel 32 and discharge, reach the comparatively convenient effect of discharge ponding.

As shown in fig. 3, an adsorbing member 6 is installed in the communicating pipe 33, the adsorbing member 6 is used for adsorbing moisture in the compressed air entering the first cylinder 31 from the second cylinder 32, a cage-shaped filter screen is installed in the communicating pipe 33, the adsorbing member 6 is placed in the cage-shaped filter screen, and the compressed air passing through the communicating pipe 33 contacts the adsorbing member 6; in this embodiment, the adsorbing member 6 is a glass fiber filter cotton, and the glass fiber filter cotton is filled in the cage-type filter net. In other embodiments, the adsorbing member 6 may be mineral particles, activated carbon, or the like.

The adsorbing member 6 can further adsorb moisture in the compressed air entering the first cylinder 31 from the second cylinder 32, so that the moisture in the compressed air stored in the first cylinder 31 is reduced, and finally, the moisture content in the compressed air discharged from the first cylinder 31 into the machine body 1 is also reduced. Because the compressed air containing more moisture easily causes the cutting torch 11 to short circuit when supplying the cutting torch 11 to use after discharging into organism 1, consequently can reduce the probability that the cutting torch 11 takes place the short circuit after setting up like this.

As shown in fig. 2 and 3, the upper end of the loading box 2 is provided with an opening, and an upper cover 7 is hinged above the opening of the loading box 2, that is, the upper cover 7 is hinged with the opening at one end of the loading box 2. Be located the opening below in the loading case 2 and slide and be provided with lower cover plate 8, go up cover plate 7 and cover half of opening area respectively with lower cover plate 8, the face shape of going up cover plate 7 and lower cover plate 8 is the rectangle promptly. After the upper covering plate 7 covers the opening of the loading box 2 by half, the two placing grooves 21 are positioned right below the other half of the opening of the loading box 2; two placing grooves 21 are formed in the inner bottom wall of the loading box 2, and the two placing grooves 21 are respectively used for placing a first barrel 31 and a second barrel 32; it is worth noting that the placing grooves 21 are also provided with water outlet holes, the water outlet holes penetrate through the bottom wall of the loading box 2, the water outlet holes are used for allowing the water supply and drainage pipe 5 and the water drain valve 51 to extend out of the loading box 2, the side wall of the loading box 2 is provided with through holes, after the first cylinder 31 and the second cylinder 32 are placed in the two placing grooves 21, the pipe orifice end of the air inlet pipe 321 on the second cylinder 32 is opposite to the through holes, and therefore an external air compressor can conveniently penetrate through the through holes and then is communicated with the air inlet pipe 321; the loading box 2 is further provided with a tightening device 9, and the tightening device 9 tightens or loosens the first cylinder 31 and the second cylinder 32 along with the movement of the lower covering plate 8.

As shown in fig. 3 and 5, in the present embodiment, the opening of the loading box 2 is rectangular, two inner side walls of the loading box 2 near the opening are both provided with a rail 22, the length direction of the rail 22 is the same as the length direction of the opening of the loading box 2, the rail 22 is provided with a sliding groove 221 along the length direction of the rail 22, the lower covering plate 8 is provided with a sliding block 81, the sliding block 81 is in sliding fit with the rail 22 through the sliding groove 221, and the lower covering plate 8 is attached to the upper covering plate 7; in this embodiment, the cross-sectional shapes of the sliding block 81 and the sliding groove 221 are dovetail-shaped, and in other embodiments, the cross-sectional shapes of the sliding block 81 and the sliding groove 221 may also be T-shaped. This arrangement enables the lower cover 8 to slide stably on the rail 22 without being easily removed. Moreover, a push-pull handle 82 is installed on the upper plate surface of the lower cover plate 8, a strip-shaped groove 71 is formed in the upper cover plate 7 along the length direction of the upper cover plate 7, and the length direction of the strip-shaped groove 71 is consistent with the length direction of the rail 22; when the lower covering plate 8 is positioned right below the upper covering plate 7, the push-pull handle 82 is positioned in the elongated groove 71, so that an operator can conveniently move the lower covering plate 8 at any time.

When the gas storage device 3 is installed in the loading box 2, firstly, the lower cover plate 8 is slid to be right below the upper cover plate 7, so that the lower cover plate 8 is overlapped with the upper cover plate 7, and a half of the opening of the loading box 2 is opened; then, the gas storage device 3 is placed into the loading box 2 through the opening, the first cylinder 31 and the second cylinder 32 are respectively positioned in the two placing grooves 21, then the lower cover plate 8 slides out from the lower portion of the upper cover plate 7, and the half opening of the loading box 2 is covered again, and in the process that the lower cover plate 8 moves to cover the opening, the abutting device 9 can abut against the first cylinder 31 and the second cylinder 32, so that the first cylinder 31 and the second cylinder 32 are stably positioned in the loading box 2, and the effect of stably installing the gas storage device 3 in the loading box 2 is achieved.

As shown in fig. 2 and 3, the abutting device 9 includes a connecting assembly 91, a left pressing assembly 92 and a right pressing assembly 93; the connecting assembly 91 comprises a connecting rod 911, and the connecting rod 911 is vertically installed on the surface of the lower covering plate 8 facing the inside of the loading box 2. The left compression assembly 92 includes a sleeve 921, a moving rod 922, a left arc-shaped plate 923 and a spring 924. Sleeve 921 horizontal welding is on loading case 2 inner end wall that loading case 2 is located the apron 7 below, and the inside cavity and the one end opening setting of sleeve 921, the carriage release lever 922 slides and inserts and establish in sleeve 921, left side arc supports the board 923 and installs the one end of keeping away from sleeve 921 at carriage release lever 922, the inner arc side face that left side arc supported the board 923 just keeps away from the lateral wall of second barrel 32 to first barrel 31, and the radian that the inner arc side face of board 923 was supported to left side arc matches with the lateral wall radian of first barrel 31. The spring 924 is disposed in the sleeve 921, one end of the spring 924 is welded to the inner bottom wall of the sleeve 921, the other end is welded to the end of the moving rod 922 located in the sleeve 921, and the spring 924 always tends to push the moving rod 922 out of the sleeve 921. When no external force is applied to the lower cover plate 8, the spring 924 can automatically bring the lower cover plate 8 to move so as to cover half of the opening of the loading box 2 away from the upper cover plate 7, and at this time, the left arc-shaped abutting plate 923 can tightly abut against the side wall of the first barrel 31 away from the second barrel 32. And the right extrusion assembly 93 comprises a straight rod 931 and a right arc-shaped abutting plate 932, the straight rod 931 is installed on the inner end wall of the loading box 2 far away from the sleeve 921, the right arc-shaped abutting plate 932 is installed at the end portion of the straight rod 931, the inner arc side of the right arc-shaped abutting plate 932 is just opposite to the side wall of the second cylinder 32 far away from the first cylinder 31, and the right arc-shaped abutting plate 932 is just opposite to the left arc-shaped abutting plate 923. Moreover, a rubber layer is covered on the abutting surface of the left arc-shaped abutting plate 923 and the right arc-shaped abutting plate 932, so that the first cylinder 31 and the second cylinder 32 are damaged when the abutting force is too large.

When the first cylinder 31 and the second cylinder 32 in the placing groove 21 are abutted, the push-pull handle 82 is manually held, and then the lower cover plate 8 is moved out from the position right below the upper cover plate 7, so that the lower cover plate 8 moves along the length direction of the rail 22, and at the moment, the connecting rod 911 also moves along with the lower cover plate 8, and then the moving rod 922 is driven to slide out from the sleeve 921 and move towards the direction close to the first cylinder 31; until the lower cover plate 8 completely covers the other half of the opening of the loading compartment 2, the moving rod 922 will bring the left arc-shaped abutting plate 923 to abut against the sidewall of the first cylinder 31, while the spring 924 will allow the moving rod 922 to always have a tendency to move toward the side closer to the first cylinder 31, the spring 924 will also exert a certain pushing force on the moving rod 922 moving outwards of the sleeve 921, so that the pushing force is converted into a pressure applied by the left arc-shaped interference plate 923 to the side wall of the first cylinder 31, thereby realizing the tight support of the first cylinder 31, and the second cylinder 32 is supported by the right arc-shaped support plate 932, make left arc 923 and right arc 932 support the first barrel 31 with the second barrel 32 butt in the centre, let first barrel 31 and second barrel 32 be in standing groove 21 steadily, reach the effect of stably installing and making things convenient for the butt first barrel 31 and second barrel 32.

As shown in fig. 3 and 4, a blocking member 72 for blocking the sliding of the push-pull handle 82 in the elongated slot 71 is further mounted on the upper cover plate 7, and the blocking member 72 includes a barrel 721, a latch 722 and a blocking strip 723; the inserting tube 721 is welded on the upper plate surface of the upper shielding plate and is located on one side of the elongated groove 71, the blocking strip 723 is hinged to the upper plate surface of the upper shielding plate and is located on the other side of the elongated groove 71, and the plug pin 722 is slidably inserted into the inserting tube 721. The blocking strip 723 is provided with an insertion groove for inserting the bolt 722, and when the blocking strip 723 rotates to a position perpendicular to the elongated groove 71, the open end of the insertion groove is opposite to the bolt 722. When the lower shielding plate moves into the whole lower part of the upper shielding plate, the push-pull handle 82 is positioned in the elongated groove 71, then the blocking strip 723 is rotated to enable the opening of the inserting groove to be opposite to the plug pin 722, then the plug pin 722 is pushed into the inserting groove to enable the blocking strip 723 to be fixed, at the moment, a worker loosens the push-pull handle 82, and when the push-pull handle 82 moves towards the outer side of the elongated groove 71 under the elastic force action of the spring 924, the push-pull handle 82 can be directly abutted against the blocking strip 723, so that the effect of conveniently preventing the push-pull handle 82 from moving out of the elongated groove 71 by itself is achieved.

As shown in fig. 2 and 3, a plurality of universal wheels 10 are mounted on the lower end of the machine body 1; after the universal wheel 10 is arranged, a gap is reserved between the machine body 1 and the ground, the water receiving tank can be placed on one side of the machine body 1 at the moment, the water receiving tank is provided with the water receiving tank, and the drain pipe 5 extending out of the water outlet hole is located right above the water receiving tank. After the water drain valve 51 is opened, water in the first cylinder 31 and the second cylinder 32 can directly enter the water receiving tank through the water drain pipe 5, so that the effect of conveniently collecting the drained accumulated water is achieved.

The implementation principle of the plasma cutting machine in the embodiment of the application is as follows: firstly, moving the lower covering plate 8 to be right below the upper covering plate 7, aligning the first cylinder 31 and the second cylinder 32 with the two placing grooves 21 for placing, and enabling the drain pipe 5 and the drain valve 51 to extend out of the water outlet hole, namely, the width of the water outlet hole is enough to enable the drain pipe 5 and the drain valve 51 to normally extend out of the water outlet hole, and then pushing the push-pull handle 82 to enable the lower covering plate 8 to be moved out from right below the upper covering plate 7 and cover the other half opening of the loading box 2; and then, the upper cover plate 7 is rotated again, so that one half of the opening beside the lower cover plate 8 is opened, then the hand of an operator stretches into the opening to connect the air receiving pipe 13 with the air outlet pipe 311, and the upper cover plate 7 is closed after the connection is finished. Then, inserting an external air compressor pipeline into the through hole to be connected with the air inlet pipe 321, and starting the air compressor to introduce compressed air into the first cylinder 31 and the second cylinder 32 to be used by the machine body 1; it is to be noted that in the present example, the first cylinder 31 and the second cylinder 32 can be arranged either vertically or horizontally side by side inside the loading compartment 2, and in particular the position of the abutment means 9 can also be adapted according to the internal placement changes.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.