CN113290308A

CN113290308A - Plasma cutting machine

Info

Publication number: CN113290308A
Application number: CN202110593930.2A
Authority: CN
Inventors: 周云娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-08-24

Abstract

The invention provides a plasma cutting machine, and relates to the field of machining. The plasma cutting machine comprises a movable table, a plasma spray head mechanism, clamping plates, a mounting plate and a storage plate, wherein the storage plate is fixedly connected with the inner wall of the mounting plate, the clamping plates are connected with the top outer wall of the mounting plate, the top outer wall of the clamping plates is provided with a sliding rail, the movable table is movably connected with the sliding rail, the plasma spray head mechanism is connected with the bottom outer wall of the movable table, a negative pressure fan and a water storage box are arranged in the movable table, and a water pump is arranged on the bottom inner wall of the water storage box. The plasma cutting machine prevents impurities from agglomerating inside the spray head, so that the spray head is prevented from influencing the working effect due to the impurities, smoke and dust can be prevented from overflowing, the collecting effect of the smoke and dust is improved, cutting slag below the spray head can be cleaned in time, and the phenomenon of hanging slag is reduced.

Description

Plasma cutting machine

Technical Field

The invention relates to the technical field of machining, in particular to a plasma cutting machine.

Background

A plasma cutting machine is a machine for processing a metal material by means of a plasma cutting technique. Plasma cutting is a process in which the heat of a high temperature plasma arc is used to partially or locally melt (and vaporize) the metal at the cut of a workpiece and the molten metal is removed by the momentum of the high speed plasma to form the cut.

When plasma cutting machine cuts thicker steel sheet, easily produce great smoke and dust, not only can influence the cutting effect, still can pollute the workshop, be difficult to the clearance, traditional dust extraction is poor to the treatment effect of smoke and dust, some smoke and dust also can enter into the shower nozzle, also can contain partial impurity in the plasma gas, cause the jam to the shower nozzle, auxiliary gas in the plasma cutting machine is also limited to the cleaning effect of thick steel sheet cutting opening below in addition, easily takes place to hang the sediment phenomenon, influence subsequent processing.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a plasma cutting machine, which solves the problems that when the plasma cutting machine is used for cutting a thick steel plate, large smoke dust is easy to generate, the cutting effect is influenced, a workshop is polluted, the cleaning is difficult, the traditional dust suction device has poor treatment effect on the smoke dust, some smoke dust can enter a spray head, partial impurities can be contained in plasma gas to block the spray head, in addition, the cleaning effect of auxiliary gas in the plasma cutting machine on the lower part of a cutting opening of the thick steel plate is limited, the slag adhering phenomenon is easy to generate, and the subsequent processing is influenced.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a plasma cutting machine, includes movable table, plasma nozzle mechanism, splint, mounting panel and storage plate, the inner wall fixed connection of storage plate and mounting panel, splint are connected with the top outer wall of mounting panel, the top outer wall of splint is provided with the slide rail, movable table and slide rail swing joint, the bottom outer wall of plasma nozzle mechanism and movable table, be provided with negative-pressure air fan and water storage box in the movable table, the bottom inner wall of water storage box is provided with the water pump.

Preferably, plasma shower nozzle mechanism includes collecting plate, shower nozzle, cooling tube, spiral plate, heat-resisting ball and nozzle, the nozzle sets up the one end outer wall at the shower nozzle, the cooling tube cup joints mutually with the outer wall of shower nozzle, the cooling tube is linked together with the water storage box, the surface of heat-resisting ball is seted up flutedly, heat-resisting ball sets up in the shower nozzle top, the spiral plate sets up the inner wall at the shower nozzle, the collecting plate is linked together with negative-pressure air fan.

Preferably, the spiral plate is provided with a dustproof mechanism, the dustproof mechanism comprises a swinging plate, a baffle plate, a sliding plate, a cleaning head and a wave hole, the baffle plate is arranged on the outer wall of the spiral plate, the wave hole is formed in the baffle plate, the outer wall of the spiral plate is provided with a mounting groove, the swinging plate is movably connected with the inner wall of the mounting groove, the sliding plate is slidably connected with the swinging plate, and the cleaning head is fixedly connected with the outer wall of one end of the sliding plate.

Preferably, the collecting plate comprises a dust collecting hole, an electrostatic dust collecting plate, a connecting plate and a sealing mechanism, the electrostatic dust collecting plate is clamped with the outer wall of the connecting plate, the electrostatic dust collecting plate is communicated with the negative pressure fan, the dust collecting hole is formed in the outer wall of the connecting plate, the middle portion of the dust collecting hole is semicircular, and the sealing mechanism is arranged on the outer wall of the connecting plate.

Preferably, the sealing mechanism comprises an elastic layer, a connecting spring, a movable plate, an air bag and an elastic sheet, one end of the connecting spring is fixedly connected with the outer wall of the connecting plate, the other end of the connecting spring is connected with the movable plate, the air bag is arranged in the movable plate, the elastic sheet is movably connected to the outer wall of one side of the movable plate, and the movable plate is sealed with the connecting plate through the elastic layer.

Preferably, the storage plate includes planking, collecting box, air-blower, telescopic link and wind pressure mechanism, the air-blower sets up the bottom outer wall at the planking, the collecting box sets up the top at the air-blower, the collecting box is linked together with the air-blower, the telescopic link evenly sets up the top outer wall at the collecting box, wind pressure mechanism and telescopic link swing joint.

Preferably, the wind pressure mechanism includes axis of rotation, joint board, joint groove, sealing rubber stopper and electro-magnet, joint board and rotation swing joint, the electro-magnet sets up in the joint board, the joint groove has been seted up to one side outer wall of joint board, sealing rubber stopper's inside is provided with the air cavity, sealing rubber stopper's volume slightly is greater than the joint groove, sealing rubber stopper and joint groove looks adaptation.

(III) advantageous effects

(1) According to the plasma cutting machine, the heat-resistant ball is made of the high-temperature-resistant ceramic material, a primary blocking effect can be achieved on smoke dust, the passing speed of plasma gas can be increased, the heat-resistant ball can also rotate under the flushing of the high-temperature plasma gas to flush the upper side of the nozzle, the smoke dust entering the spray head can be flushed out, the spiral plate further enhances the blocking effect on the smoke dust, when the gas passes through the spiral plate, the swing plate can be driven to swing, the smoke dust attached to the spiral plate can be shaken and fall off, the smoke dust can be flushed out conveniently by the gas, when the gas passes through the baffle plate, impurities can be filtered out, meanwhile, the sliding plate can also extend out to drive the cleaning head to clean the baffle plate, the impurities are prevented from being agglomerated inside the spray head, and therefore the working effect of the spray head cannot be affected by the impurities.

(2) According to the plasma cutting machine, under the action of the negative pressure fan, smoke dust can enter the electrostatic dust removal plate through the dust accumulation hole, and the middle part of the dust accumulation hole is semicircular, so that the smoke dust is not prone to overflowing again, the smoke dust removal effect is enhanced, when the sealing mechanism contacts the surface of the steel plate, the movable plate is tightly pressed on the surface of the steel plate under the action of the elastic force of the connecting spring, meanwhile, the air bag is compressed, the elastic sheet is ejected, the sealing effect is enhanced, the smoke dust can be prevented from overflowing, and the smoke dust collection effect is improved.

(3) According to the plasma cutting machine, after the control panel inputs the cutting track of the plasma nozzle mechanism, the wind pressure mechanisms around the cutting track extend out along the telescopic rods, the clamping plates are clamped with each other, the electromagnet is electrified at the moment, the clamping plates are prevented from being separated due to wind pressure, the sealing rubber plug is clamped with the clamping groove, and due to the fact that the sealing rubber plug is slightly large in size and is internally provided with the air cavity and can expand at high temperature, the row of air guide plates can be formed around the cutting track, the working effect of an air blower is enhanced, cutting slag below the air blower can be cleaned in time, and the phenomenon of slag adhering is reduced.

(4) According to the plasma cutting machine, the clamping plate can rotate along the rotating shaft, when the cutting track is irregular, the curved air deflector can be formed, the applicability to the irregular cutting track is achieved, meanwhile, the position of a steel plate does not need to be adjusted, and the plasma cutting machine is convenient to use, so that the problems that when the plasma cutting machine is used for cutting a thick steel plate, large smoke is easy to generate, the cutting effect is affected, a workshop is polluted and difficult to clean, the traditional dust suction device is poor in smoke treatment effect, some smoke can enter the spray head, partial impurities can be contained in plasma gas to block the spray head, in addition, the cleaning effect of auxiliary gas in the plasma cutting machine on the lower portion of a cutting opening of the thick steel plate is limited, the slag hanging phenomenon is easy to generate, and the subsequent processing treatment is affected are effectively solved.

Drawings

FIG. 1 is a perspective view showing the overall structure of a plasma cutting machine according to the present invention;

FIG. 2 is a partial cross-sectional view of a plasma showerhead mechanism of the present invention;

FIG. 3 is an enlarged view of the structure of the present invention at A;

FIG. 4 is a structural cross-sectional view of a collector plate according to the present invention;

FIG. 5 is an enlarged view of the structure of the present invention at B;

FIG. 6 is a sectional view of a storage plate according to the present invention;

fig. 7 is a structural sectional view of a wind pressure mechanism according to the present invention.

Wherein, 1-movable table, 2-plasma spray head mechanism, 3-clamping plate, 4-mounting plate, 5-storage plate, 6-collection plate, 7-spray head, 8-cooling pipe, 9-spiral plate, 10-heat-resistant ball, 11-spray nozzle, 12-swinging plate, 13-baffle plate, 14-sliding plate, 15-cleaning head, 16-wave hole, 17-dust-deposition hole, 18-electrostatic dust-removing plate, 19-connecting plate, 20-sealing mechanism, 21-elastic layer, 22-connecting spring, 23-movable plate, 24-air bag, 25-elastic sheet, 26-outer plate, 27-collection box, 28-air blower, 29-air pressure mechanism, 30-rotating shaft, 31-clamping plate, 32-clamping groove, 33-sealing rubber plug, 34-electromagnet and 35-telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1 to 7, an embodiment of the invention provides a plasma cutting machine, which includes a movable table 1, a plasma spray head mechanism 2, a clamping plate 3, a mounting plate 4 and a receiving plate 5, wherein the receiving plate 5 is fixedly connected with an inner wall of the mounting plate 4, the clamping plate 3 is connected with an outer wall of the top end of the mounting plate 4, a slide rail is arranged on an outer wall of the top end of the clamping plate 3, the movable table 1 is movably connected with the slide rail, the plasma spray head mechanism 2 is movably connected with an outer wall of the bottom end of the movable table 1, a negative pressure fan and a water storage tank are arranged in the movable table 1, and a water pump is arranged on an inner wall of the bottom end of the water storage tank.

In the invention, the plasma spray head mechanism 2 comprises a collecting plate 6, a spray head 7, a cooling pipe 8, a spiral plate 9, a heat-resistant ball 10 and a nozzle 11, wherein the nozzle 11 is arranged on the outer wall of one end of the spray head 7, the cooling pipe 8 is sleeved with the outer wall of the spray head 7, the cooling pipe 8 is communicated with a water storage tank, a groove is formed in the surface of the heat-resistant ball 10, the heat-resistant ball 10 is arranged above the spray head 7, the spiral plate 9 is arranged on the inner wall of the spray head 7, and the collecting plate 6 is communicated with a negative pressure fan.

In the invention, a dustproof mechanism is arranged on a spiral plate 9, the dustproof mechanism comprises a swing plate 12, a baffle plate 13, a sliding plate 14, a cleaning head 15 and a wave hole 16, the baffle plate 13 is arranged on the outer wall of the spiral plate 9, the wave hole 16 is formed in the baffle plate 13, a mounting groove is formed in the outer wall of the spiral plate 9, the swing plate 12 is movably connected with the inner wall of the mounting groove, the sliding plate 14 is slidably connected with the swing plate 12, and the cleaning head 15 is fixedly connected with the outer wall of one end of the sliding plate 14.

In the invention, the collecting plate 6 comprises a dust collecting hole 17, an electrostatic dust removing plate 18, a connecting plate 19 and a sealing mechanism 20, wherein the electrostatic dust removing plate 18 is clamped with the outer wall of the connecting plate 19, the electrostatic dust removing plate 18 is communicated with a negative pressure fan, the dust collecting hole 17 is arranged on the outer wall of the connecting plate 19, the middle part of the dust collecting hole 17 is semicircular, and the sealing mechanism 20 is arranged on the outer wall of the connecting plate 19.

In the invention, the sealing mechanism 20 comprises an elastic layer 21, a connecting spring 22, a movable plate 23, an air bag 24 and an elastic sheet 25, wherein one end of the connecting spring 22 is fixedly connected with the outer wall of the connecting plate 19, the other end of the connecting spring 22 is connected with the movable plate 23, the air bag 24 is arranged in the movable plate 23, the elastic sheet 25 is movably connected with the outer wall of one side of the movable plate 23, and the movable plate 23 is sealed with the connecting plate 19 through the elastic layer 21.

In the invention, the storage plate 5 comprises an outer plate 26, a collection box 27, a blower 28, an expansion link 35 and a wind pressure mechanism 29, wherein the blower 28 is arranged on the outer wall of the bottom end of the outer plate 26, the collection box 27 is arranged above the blower 28, the collection box 27 is communicated with the blower 28, the expansion link 35 is uniformly arranged on the outer wall of the top end of the collection box 27, and the wind pressure mechanism 29 is movably connected with the expansion link 35.

In the invention, the wind pressure mechanism 29 comprises a rotating shaft 30, a clamping plate 31, a clamping groove 32, a sealing rubber plug 33 and an electromagnet 34, wherein the clamping plate 31 is movably connected with the rotating shaft, the electromagnet 34 is arranged in the clamping plate 31, the clamping groove 32 is arranged on the outer wall of one side of the clamping plate 31, an air cavity is arranged inside the sealing rubber plug 33, the volume of the sealing rubber plug 33 is slightly larger than that of the clamping groove 32, and the sealing rubber plug 33 is matched with the clamping groove 32.

The working principle is as follows: during the use, when plasma cutting machine cuts thicker steel sheet, easily produce great smoke and dust, not only can influence the cutting effect, still pollute the workshop, be difficult to the clearance, traditional dust extraction is poor to the treatment effect of smoke and dust, some smoke and dust also can enter into shower nozzle 7, also can contain partial impurity in the plasma gas, cause the jam to shower nozzle 7, auxiliary gas in the plasma cutting machine is also limited to the clearance effect of thick steel sheet cutting opening below in addition, the easy sediment phenomenon of hanging that takes place, influence subsequent processing. When the device is used, the steel plate is placed above the containing plate 5, the steel plate is clamped through the clamping plate 3, the cutting track of the plasma spray head mechanism 2 is input through the control panel, the steel plate is cut, the heat-resistant ball 10 is made of high-temperature-resistant ceramic materials, the preliminary blocking effect on smoke dust can be achieved, the passing speed of plasma gas can be increased, the heat-resistant ball 10 can also rotate under the flushing of the high-temperature plasma gas, the flushing is achieved above the nozzle 11, the smoke dust entering the spray head 7 is flushed out, the blocking effect on the smoke dust is further enhanced through the spiral plate 9, the swinging plate 12 can be driven to swing when the gas passes through, the smoke dust attached to the spiral plate 9 is shaken off, the gas can flush out the smoke dust, when the gas passes through the baffle plate 13, impurities can be filtered out, meanwhile, the sliding plate 14 can also stretch out, the cleaning head 15 is driven to clean the baffle plate 13, prevent the impurity from gathering and agglomerating in the shower nozzle 7, thus has guaranteed the shower nozzle 7 will not influence the working effect because of the impurity, under the effect of negative-pressure air blower, the soot can enter and take the electrostatic precipitator plate 18 through the hole 17 of the soot, because the middle part of the hole 17 of the soot is semicircular, the soot is difficult to spill over again, has strengthened the removing effect to the soot, when the sealing mechanism 20 contacts the surface of steel plate, under the influence of elastic force of the connecting spring 22, the fly leaf 23 is compressed on the surface of steel plate, the gasbag 24 is compressed at the same time, the elastic sheet 25 is popped out, has strengthened the sealing effect, thus can prevent the soot from spilling over, has improved the collecting effect to the soot, after the control panel inputs the cutting orbit of the plasma shower nozzle mechanism 2, the wind pressure mechanism 29 around the cutting orbit can stretch out along the telescopic link 35, the joint plate 31 blocks each other, the electro-magnet 34 is electrified at this moment, prevent that joint board 31 from breaking away from because of the wind pressure, sealing rubber stopper 33 and joint groove 32 looks block, because sealing rubber stopper 33's volume is slightly big, inside is provided with the air cavity again, can take place the inflation under high temperature, consequently can form a row aviation baffle around the cutting orbit, strengthened the working effect of air-blower 28, can in time clear up the cutting sediment of below, reduce the phenomenon of hanging the sediment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a plasma cutting machine, includes movable table (1), plasma shower nozzle mechanism (2), splint (3), mounting panel (4) and storage plate (5), its characterized in that: the inner wall fixed connection of storage plate (5) and mounting panel (4), splint (3) are connected with the top outer wall of mounting panel (4), the top outer wall of splint (3) is provided with the slide rail, movable table (1) and slide rail swing joint, the bottom outer wall of plasma shower nozzle mechanism (2) and movable table (1), be provided with negative-pressure air fan and water storage box in the movable table (1), the bottom inner wall of water storage box is provided with the water pump.

2. The plasma cutter according to claim 1, characterized in that: plasma sprinkler mechanism (2) are including collecting board (6), shower nozzle (7), cooling tube (8), spiral plate (9), heat-resisting ball (10) and nozzle (11), nozzle (11) set up the one end outer wall at shower nozzle (7), cooling tube (8) cup joint with the outer wall of shower nozzle (7) mutually, cooling tube (8) are linked together with the water storage box, the surface of heat-resisting ball (10) is seted up flutedly, heat-resisting ball (10) set up in shower nozzle (7) top, spiral plate (9) set up the inner wall at shower nozzle (7), collecting board (6) are linked together with negative-pressure air fan.

3. A plasma cutter according to claim 2, characterized in that: be provided with dustproof mechanism on spiral plate (9), dustproof mechanism includes swing board (12), baffle (13), sliding plate (14), cleaning head (15) and wave hole (16), baffle (13) set up the outer wall at spiral plate (9), wave hole (16) are seted up on baffle (13), the mounting groove has been seted up to the outer wall of spiral plate (9), the inner wall swing joint of swing board (12) and mounting groove, sliding plate (14) and swing board (12) sliding connection, cleaning head (15) and the one end outer wall fixed connection of sliding plate (14).

4. A plasma cutter according to claim 2, characterized in that: the collecting plate (6) comprises a dust collecting hole (17), an electrostatic dust removing plate (18), a connecting plate (19) and a sealing mechanism (20), the electrostatic dust removing plate (18) is clamped with the outer wall of the connecting plate (19), the electrostatic dust removing plate (18) is communicated with a negative pressure fan, the outer wall of the connecting plate (19) is arranged in the dust collecting hole (17), the middle part of the dust collecting hole (17) is semicircular, and the sealing mechanism (20) is arranged on the outer wall of the connecting plate (19).

5. The plasma cutter according to claim 4, wherein: sealing mechanism (20) include elastic layer (21), connecting spring (22), fly leaf (23), gasbag (24) and flexure strip (25), the outer wall fixed connection of the one end of connecting spring (22) and connecting plate (19), the other end of connecting spring (22) is connected with fly leaf (23), gasbag (24) set up in fly leaf (23), flexure strip (25) swing joint is in one side outer wall of fly leaf (23), it is sealed through elastic layer (21) between fly leaf (23) and connecting plate (19).

6. The plasma cutter according to claim 1, characterized in that: accomodate board (5) and include planking (26), collecting box (27), air-blower (28), telescopic link (35) and wind pressure mechanism (29), air-blower (28) set up the bottom outer wall at planking (26), collecting box (27) set up the top at air-blower (28), collecting box (27) are linked together with air-blower (28), telescopic link (35) evenly set up the top outer wall at collecting box (27), wind pressure mechanism (29) and telescopic link (35) swing joint.

7. The plasma cutter according to claim 6, wherein: wind pressure mechanism (29) are including axis of rotation (30), joint board (31), joint groove (32), sealing rubber stopper (33) and electro-magnet (34), joint board (31) with rotate swing joint, electro-magnet (34) set up in joint board (31), joint groove (32) have been seted up to one side outer wall of joint board (31), the inside of sealing rubber stopper (33) is provided with the air cavity, the volume of sealing rubber stopper (33) slightly is greater than joint groove (32), sealing rubber stopper (33) and joint groove (32) looks adaptation.