Adjustable plasma cutting device

Abstract

The utility model relates to the technical field of metal plate cutting, and discloses an adjustable plasma cutting device which comprises a track, a semi-automatic sports car and a plasma cutting machine cutting torch, the semi-automatic sports car is connected to the top of the track in a sliding mode, and an adjustable mechanism is arranged at the top of the semi-automatic sports car. An auxiliary cutting mechanism is arranged on the adjustable mechanism, the adjustable mechanism comprises a middle-position block, and a limiting piece is welded to the side face of the middle-position block. Through the overall design of the adjustable mechanism, the position of the cutting torch of the plasma cutting machine relative to the semi-automatic sports car can be adjusted, positioning cutting work can be conveniently carried out, the working efficiency is greatly improved, through the cooperation of the hollow base, the air inlet pipe, the electromagnetic valve and the fixed spraying pipe, air in an air compressor can be used as working gas, and the working efficiency is improved. And the metal plate is subjected to rust removal and slag removal, so that the usage amount of oxygen and acetylene can be reduced, and the cutting size and the cutting quality are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal sheet cutting technical field, specifically, relate to a kind of adjustable plasma cutting device. BACKGROUND

[0002] Plasma cutting machine is a kind of high-temperature plasma arc cutting equipment for metal. Its working principle is that the heat of high-temperature plasma arc makes the metal at the workpiece cutting part locally melted and evaporated, and then the molten metal is removed by the momentum of high-speed plasma arc, so as to form a cutting. Plasma cutting machine has the characteristics of fast cutting speed, easy operation and high cutting quality, and is widely used in automobile, locomotive, pressure vessel and other industries.

[0003] When cutting ordinary plate with oxygen cutting, due to serious rust of steel plate, not only time and effort are wasted, but also oxygen and acetylene are wasted, and more waste materials are generated. INVENTION CONTENTS

[0004] The utility model aims at providing a kind of adjustable plasma cutting device, solve the problem of time and effort in cutting, waste oxygen and acetylene material, and more waste materials are generated in prior art.

[0005] The utility model provides the following technical scheme: a kind of adjustable plasma cutting device, including track, semi-automatic car and plasma cutting machine cutting nozzle, the semi-automatic car is slidably connected at the top of track, the top of semi-automatic car is provided with adjustable mechanism, adjustable mechanism is provided with auxiliary cutting mechanism.

[0006] The adjustable mechanism includes a middle block, a limit piece is welded to the side surface of the middle block, a cross bar is slidably connected to the inner side of the middle block and the limit piece, positioning holes are formed in the side surfaces of the middle block and the cross bar, a pin is movably inserted into the inner cavity of the positioning hole, a permanent magnet block is fixedly installed on the inner wall of the pin, and the side surface of the permanent magnet block is magnetically connected to the side surface of the middle block.

[0007] As a preferred embodiment of the above technical solution, the adjustable mechanism further includes a chassis, the chassis is fixedly installed on the top of the semi-automatic car, a vertical plate seat is fixedly installed on the top of the chassis, a top disc is fixedly installed on the top of the vertical plate seat, and a rotating disc is rotatably connected to the top of the top disc.

[0008] As a preferred embodiment of the above technical solution, a stepping motor is fixedly installed on the bottom of the top disc, the output shaft of the stepping motor is fixedly connected to the bottom of the rotating disc, and the middle block is fixedly installed on the top of the rotating disc.

[0009] Through the technical scheme, the plasma cutting machine nozzle can be driven to move around the center of the circle through the design of the stepping motor, so that the arc cutting work is facilitated.

[0010] As the preferred technical scheme, the auxiliary cutting mechanism comprises a sliding seat which is slidingly connected to the outer wall of the cross bar, and a positioning bolt which is threadedly connected to the top of the sliding seat and movably connected to the top of the cross bar.

[0011] Through the technical scheme, the plasma cutting machine nozzle can be finely adjusted through the cooperation of the sliding seat and the positioning bolt.

[0012] As the preferred technical scheme, the bottom of the sliding seat is fixedly installed with a lower extension seat, the bottom of the lower extension seat is fixedly installed with a hollow seat, and the plasma cutting machine nozzle is fixedly installed at the bottom of the hollow seat.

[0013] Through the technical scheme, the gas of the air compressor can be shunted through the inner cavity of the hollow seat, so that the cleaning work is facilitated.

[0014] As the preferred technical scheme, the side surface of the hollow seat is fixedly installed with a supporting bent rod, and the end of the supporting bent rod away from the hollow seat is rotatably connected with a supporting wheel.

[0015] Through the technical scheme, the plasma cutting machine nozzle can be supported through the cooperation of the supporting bent rod and the supporting wheel, so that the problem that the plasma cutting machine nozzle is easily damaged by contacting the metal plate is avoided.

[0016] As the preferred technical scheme, the outer wall of the hollow seat is fixedly connected with an air inlet pipe, the front surface and the back surface of the hollow seat are fixedly connected with electromagnetic valves, and the end of the electromagnetic valve away from the hollow seat is fixedly connected with a fixed spray pipe.

[0017] Through the technical scheme, the cutting part of the metal plate can be cleaned by the air output by the air compressor through the cooperation of the hollow seat, the air inlet pipe, the electromagnetic valve and the fixed spray pipe.

[0018] Compared with the prior art, the utility model has the advantages of:

[0019] The utility model discloses a whole design through adjustable mechanism, can adjust the position of plasma cutting machine cutting nozzle relative to the semi -automatic car, the position cutting work of being convenient for is carried out, has improved work efficiency greatly, through the cooperation of support bent pole and support wheel, can guarantee the cutting distance of plasma cutting machine cutting nozzle and metal sheet, avoids the problem of damaging plasma cutting machine cutting nozzle, prolongs the service life of plasma cutting machine cutting nozzle, through the cooperation of hollow seat, air inlet pipe, solenoid valve and fixed spray pipe, can use the wind in air compressor as working gas, carries out rust removal and slag removal to metal sheet, thereby can reduce the use amount of oxygen, acetylene, still guarantee cutting size and cutting quality. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the perspective drawing of the utility model;

[0021] Figure 2 It is the structure schematic view of the rotary disc of the utility model;

[0022] Figure 3 It is the connecting structure schematic view of the mid -block and cross bar in the utility model;

[0023] Figure 4 It is the structure schematic view of the auxiliary cutting mechanism of the utility model.

[0024] In the drawing: 1, track;11, semi -automatic car;12, plasma cutting machine cutting nozzle;2, adjustable mechanism;21, chassis;22, vertical plate seat;23, top disc;24, rotary disc;25, step motor;26, mid -block;27, limiting piece;28, cross bar;29, positioning hole;291, pin piece;292, permanent magnet block;3, auxiliary cutting mechanism;31, sliding seat;32, positioning peg;33, lower extension seat;34, hollow seat;341, air inlet pipe;342, solenoid valve;343, fixed spray pipe;35, support bent pole;36, support wheel. DETAILED DESCRIPTION

[0025] The technical scheme in the utility model embodiment will be described clearly and completely in combination with the drawings in the utility model embodiment.

[0026] As Figures 1-4As shown in the technical scheme, the utility model provides a kind of adjustable plasma cutting device, including track 1, semi-automatic car 11 and plasma cutting machine cutting nozzle 12, semi-automatic car 11 slidingly connected in the top of track 1, the top of semi-automatic car 11 is provided with adjustable mechanism 2, adjustable mechanism 2 is provided with auxiliary cutting mechanism 3, adjustable mechanism 2 includes mid-block 26, the side surface welding of mid-block 26 is limited piece 27, the inside of mid-block 26, limited piece 27 is slidably connected with cross bar 28, the side surface of mid-block 26, cross bar 28 is all set with positioning hole 29, pin 291 is movably inserted in the inner chamber of positioning hole 29, permanent magnet block 292 is fixedly installed on the inner wall of pin 291, the side surface of permanent magnet block 292 is magnetically connected with the side surface of mid-block 26, control semi-automatic car 11 work, it can drive plasma cutting machine cutting nozzle 12 translation on the top of track 1 to facilitate the cutting work to carry out, pin 291 is pulled out from the inner chamber of positioning hole 29, then sliding cross bar 28 in the inside of mid-block 26 and limited piece 27, the position of plasma cutting machine cutting nozzle 12 relative to semi-automatic car 11 is adjusted, to facilitate the positioning cutting work to carry out, so that the positioning hole 29 on mid-block 26 and cross bar 28 is corresponding, then pin 291 is inserted back into positioning hole 29, permanent magnet block 292 will be magnetically connected on mid-block 26, i.e. the position of plasma cutting machine cutting nozzle 12 is fixed, to guarantee the cutting size of metal plate.

[0027] As one of the embodiments in the present embodiment, as shown in Figure 1 、 Figure 2 Adjustable mechanism 2 also includes chassis 21, chassis 21 is fixedly installed on the top of semi-automatic car 11, vertical plate seat 22 is fixedly installed on the top of chassis 21, top disc 23 is fixedly installed on the top of vertical plate seat 22, rotating disc 24 is rotatably connected on the top of top disc 23, step motor 25 is fixedly installed on the bottom of top disc 23, the output shaft of step motor 25 is fixedly connected with the bottom of rotating disc 24, mid-block 26 is fixedly installed on the top of rotating disc 24, control step motor 25 work, can drive rotating disc 24 to rotate, through the transmission of cross bar 28 whole, drive plasma cutting machine cutting nozzle 12 to carry out the arc movement around the center, to facilitate arc cutting treatment to metal plate.

[0028] As one of the embodiments in the present embodiment, as shown in Figure 1 、 Figure 4As shown, the auxiliary cutting mechanism 3 includes a sliding seat 31 which is slidingly connected to the outer wall of the cross rod 28, the top of the sliding seat 31 is threadedly connected with a positioning pin 32, the threaded end of the positioning pin 32 is movably connected with the top of the cross rod 28, the bottom of the sliding seat 31 is fixedly installed with a lower extension seat 33, the bottom of the lower extension seat 33 is fixedly installed with a hollow seat 34, the plasma cutter nozzle 12 is fixedly installed at the bottom of the hollow seat 34, the side of the hollow seat 34 is fixedly installed with a support bent rod 35, the end of the support bent rod 35 away from the hollow seat 34 is rotatably connected with a support wheel 36, the outer wall of the hollow seat 34 is fixedly connected with an air inlet pipe 341, the front and back of the hollow seat 34 are fixedly connected with electromagnetic valves 342, the end of the electromagnetic valve 342 away from the hollow seat 34 is fixedly connected with a fixed spray pipe 343, through the cooperation of the sliding seat 31 and the positioning pin 32, the position of the plasma cutter nozzle 12 on the cross rod 28 can be finely adjusted, the end of the air inlet pipe 341 is connected with the air compressor in advance, the front electromagnetic valve 342 is controlled to be opened when the plasma cutter nozzle 12 moves forward, the back electromagnetic valve 342 is controlled to be opened when the plasma cutter nozzle 12 moves backward, the air produced by the air compressor can be output from the electromagnetic valve 342 to blow and clean the cutting part of the plasma cutter nozzle 12, the functions of rust removal and slag removal are realized, the use amount of oxygen and acetylene can be reduced, the quality of the metal plate cutting is ensured, through the support of the support bent rod 35 and the support wheel 36, the cutting distance of the plasma cutter nozzle 12 from the metal plate can be ensured, the problem of damaging the plasma cutter nozzle 12 is avoided, and the service life of the plasma cutter nozzle 12 is prolonged.

[0029] Working principle: when adjusting, the pin 291 is pulled out from the inner cavity of the positioning hole 29, then the cross rod 28 is slid on the inner side of the middle block 26 and the limiting piece 27, the positioning hole 29 on the middle block 26 corresponds to the cross rod 28, then the pin 291 is inserted into the positioning hole 29, that is, the adjustment and fixation of the position of the plasma cutter nozzle 12 are completed, in use, the plasma cutter nozzle 12 is controlled to work, and the semi-automatic running car 11 is controlled to run to drive the plasma cutter nozzle 12 to translate, the function of cutting the metal plate below the plasma cutter nozzle 12 is realized, the end of the air inlet pipe 341 is connected with the air compressor in advance, the front electromagnetic valve 342 is controlled to be opened when the plasma cutter nozzle 12 moves forward, the back electromagnetic valve 342 is controlled to be opened when the plasma cutter nozzle 12 moves backward, the air produced by the air compressor can be output from the electromagnetic valve 342 to blow and clean the cutting part of the plasma cutter nozzle 12.

[0030] The above examples are only used to illustrate the technical solutions of the present application, but not limit them.

Claims

1. An adjustable plasma cutting device, comprising a track (1), a semi-automatic carriage (11), and a plasma cutting nozzle (12), characterized in that: The semi-automatic sports car (11) is slidably connected to the top of the track (1). An adjustable mechanism (2) is provided on the top of the semi-automatic sports car (11), and an auxiliary cutting mechanism (3) is provided on the adjustable mechanism (2). The adjustable mechanism (2) includes a center block (26), a limiting member (27) is welded to the side of the center block (26), a crossbar (28) is slidably connected to the inner side of the center block (26) and the limiting member (27), a positioning hole (29) is provided on the side of the center block (26) and the crossbar (28), a pin (291) is movably inserted into the inner cavity of the positioning hole (29), a permanent magnet (292) is fixedly installed on the inner wall of the pin (291), and the side of the permanent magnet (292) is magnetically connected to the side of the center block (26).

2. The adjustable plasma cutting device according to claim 1, characterized in that: The adjustable mechanism (2) also includes a chassis (21), which is fixedly installed on the top of the semi-automatic sports car (11). A vertical plate seat (22) is fixedly installed on the top of the chassis (21), and a top plate (23) is fixedly installed on the top of the vertical plate seat (22). A rotating disc (24) is rotatably connected to the top of the top plate (23).

3. The adjustable plasma cutting device according to claim 2, characterized in that: A stepper motor (25) is fixedly installed at the bottom of the top plate (23), and the output shaft of the stepper motor (25) is fixedly connected to the bottom of the rotating disk (24). The middle block (26) is fixedly installed at the top of the rotating disk (24).

4. The adjustable plasma cutting device according to claim 1, characterized in that: The auxiliary cutting mechanism (3) includes a sliding seat (31), which is slidably connected to the outer wall of the crossbar (28). The top of the sliding seat (31) is threadedly connected to a positioning bolt (32), and the threaded end of the positioning bolt (32) is movably connected to the top of the crossbar (28).

5. An adjustable plasma cutting device according to claim 4, characterized in that: The bottom of the sliding seat (31) is fixedly installed with a lower extension seat (33), the bottom of the lower extension seat (33) is fixedly installed with a hollow seat (34), and the plasma cutting nozzle (12) is fixedly installed at the bottom of the hollow seat (34).

6. An adjustable plasma cutting device according to claim 5, characterized in that: A support rod (35) is fixedly installed on the side of the hollow seat (34), and a support wheel (36) is rotatably connected to the end of the support rod (35) away from the hollow seat (34).

7. An adjustable plasma cutting device according to claim 6, characterized in that: An air inlet pipe (341) is fixedly connected to the outer wall of the hollow seat (34). Solenoid valves (342) are fixedly connected to both the front and back sides of the hollow seat (34). A fixed nozzle (343) is fixedly connected to the end of the solenoid valve (342) away from the hollow seat (34).

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