Plasma cutting gun

Abstract

The utility model discloses a plasma cutting gun and relates to the technical field of plasma cutting guns, an electrode tube and an air inlet tube are provided with a translation position correction mechanism along the pipeline direction of the electrode tube and the air inlet tube, the outer sides of shaft rods of two groups of position correction screw rods are provided with position correction screw sleeves, and the two groups of position correction screw sleeves are integrally connected through a position correction sliding table. Supporting guide wheels are installed at the two ends of a frame body of the supporting frame. According to the plasma cutting gun, the adjustable translation position correction mechanism is arranged on the pipeline of the plasma cutting gun, the direction of the supporting guide wheel of the plasma cutting gun can be flexibly adjusted and controlled, on one hand, the idler wheel of the supporting guide wheel is used for supporting and serves as a horizontal guide component, and a supporting point in an idler wheel form is provided for a worker to hold the plasma cutting gun; on the other hand, the supporting guide wheel and the nozzle are arranged in a staggered mode, the position of the supporting guide wheel is flexible and adjustable, cut molten metal can be effectively prevented from splashing to the guide wheel component, and the long service life of the guide wheel component is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of plasma cutting gun especially relates to a plasma cutting gun. BACKGROUND

[0002] The application field of plasma cutting gun is very extensive, including metal manufacturing, mechanical manufacturing, automobile manufacturing, construction engineering and other industries; because its cutting speed is fast, precision is high, cost is relatively low, and automation and unmanned operation are easy to realize, it has been widely applied, such as a kind of plasma cutting gun based on mechanical electrical disclosed by China patent network (publication announcement number CN221603465U) shown, the plasma cutting gun of this kind of form, through the combination setting of sleeve, clamping plate, clamping shaft and disc, can be through sleeve, be in cutting gun head, and through disc, can be convenient for staff to push and move the cutting gun in horizontal direction, to solve the need staff to hand in cutting when, lead to possible error situation, improve the practicability of plasma cutting gun.

[0003] However, the plasma cutting gun adopted by the above-mentioned published patent and the existing market still has some deficiencies: the existing method of adding a guide wheel component on the plasma nozzle to improve the convenience of staff moving cutting, although the guide wheel component can provide better horizontal displacement performance, but because the guide wheel component is too close to the nozzle, the molten metal generated by cutting is easy to blow off the guide wheel component, causing the horizontal displacement of the guide wheel component to be blocked, the practicability and service life are greatly reduced. Therefore, the technical personnel in the art provide a kind of plasma cutting gun to solve the problems raised in the above background art. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a kind of plasma cutting gun, solve the problem of poor cutting practicability of the existing plasma cutting gun raised in the above background art.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of plasma cutting gun, including switch connector;

[0006] The electrode outlet of the switch connector is installed with electrode tube, and the gas pressure outlet of the switch connector is installed with inlet pipe, the electrode tube and inlet pipe are connected with nozzle in communication;

[0007] The electrode tube and inlet pipe are installed with translation alignment mechanism along its pipeline direction;

[0008] The translation alignment mechanism includes two groups of alignment screws installed on the outer side of the electrode tube and the inlet pipe, the outer side of the shaft of the two groups of alignment screws is provided with alignment screw sleeve, and the two groups of alignment screw sleeves are integrally connected through alignment sliding table.

[0009] The lower part of the position correcting slide table is provided with a lifting position correcting mechanism;

[0010] The lifting position correcting mechanism comprises a positioning screw sleeve installed below the position correcting slide table and a positioning screw rod screwed into the positioning screw sleeve, the lower part of the positioning screw rod is provided with a lifting screw rod, and the lifting screw rod is screwed with a support frame along the screw thread direction of the lifting screw rod;

[0011] The frame of the support frame is provided with support guide wheels at both ends.

[0012] As a further technical scheme of the utility model, the shaft rod of the two groups of position correcting wire sleeves is provided with a transmission gear at one end, the rack of the position correcting slide table is provided with a brake knob, and the central shaft of the brake knob is provided with a brake gear engaged with the transmission gear.

[0013] As a further technical scheme of the utility model, the bottom end of the positioning screw rod is provided with a dismounting knob.

[0014] As a further technical scheme of the utility model, the frame of the support frame is provided with a lifting screw sleeve matched with the lifting screw rod.

[0015] As a further technical scheme of the utility model, the two groups of support guide wheels horizontally opposite to each other are symmetrically arranged relative to the nozzle head direction.

[0016] As a further technical scheme of the utility model, the electrode inlet of the switch connector is provided with an electrode interface, and the air pressure inlet of the switch connector is provided with an air inlet interface.

[0017] As a further technical scheme of the utility model, the switch connector is provided with a hand holding sleeve along the switch handle direction, and the hand holding sleeve is made of silicone rubber material.

[0018] The utility model provides a kind of plasma cutting gun, and compared with prior art has the following beneficial effects:

[0019] 1. The plasma cutting gun of the design, by setting adjustable form's translation position correcting mechanism on its pipeline, the direction of its support guide wheel can be flexibly regulated and controlled, on the one hand, the roller support of support guide wheel is used as horizontal guide component, provides the support point of roller form for staff to hold plasma cutting gun, so that staff more easily controls and uses plasma cutting gun, on the other hand, since support guide wheel and nozzle are set in wrong position, and support guide wheel position is flexibly adjustable, effectively avoid cutting molten metal splashing on guide wheel component, improve the long service life of guide wheel component.

[0020] 2. The plasma cutting gun of the design can flexibly regulate and control the supporting stress point and nozzle height of the plasma cutting gun through the horizontal alignment mechanism and the lifting alignment mechanism, so that the staff can more easily and conveniently control and use the plasma cutting gun. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of a plasma cutting gun.

[0022] Figure 2 It is an expanded schematic view of a plasma cutting gun.

[0023] Figure 3 It is a structural schematic view of a horizontal alignment mechanism in a plasma cutting gun.

[0024] Figure 4 It is a structural schematic view of a lifting alignment mechanism in a plasma cutting gun.

[0025] Figure 5 It is a bottom view of the lifting alignment mechanism in a plasma cutting gun.

[0026] In the figure: 1, switch joint; 2, electrode interface; 3, air inlet; 4, electrode tube; 5, air inlet tube; 6, nozzle; 7, alignment screw; 8, alignment sliding table; 9, supporting frame; 10, supporting guide wheel; 11, alignment screw sleeve; 12, transmission gear; 13, brake gear; 14, brake knob; 15, positioning screw sleeve; 16, positioning screw; 17, disassembly knob; 18, lifting screw; 19, lifting screw sleeve. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] Please refer to Figures 1-5 The present application provides a technical scheme of a plasma cutting gun: a plasma cutting gun, comprising a switch joint 1, the switch joint 1 is provided with a hand holding sleeve along the switch pressing handle direction, and the hand holding sleeve is made of silicone rubber material. By providing a hand holding sleeve along the switch pressing handle direction of the switch joint 1, and setting the hand holding sleeve as silicone rubber material, it has good heat insulation and comfortable control performance, which is convenient for the staff to control and use the plasma cutting gun.

[0029] The electrode outlet of the switch joint 1 is provided with an electrode pipe 4, and the gas pressure outlet of the switch joint 1 is provided with an air inlet pipe 5, the electrode pipe 4 and the air inlet pipe 5 are connected with the nozzle 6, the electrode inlet of the switch joint 1 is provided with an electrode interface 2, and the gas pressure inlet of the switch joint 1 is provided with an air inlet interface 3, by the arrangement of the electrode interface 2 and the switch joint 1, the power supply is connected with the nozzle 6 through the electrode pipe 4, the heat of the high-temperature plasma arc is sprayed out through the nozzle 6, the metal is melted and cut, at the same time, by the arrangement of the air inlet interface 3 and the switch joint 1, the high-speed plasma gas is connected with the nozzle 6 through the air inlet pipe 5, the high-speed plasma gas is sprayed out through the nozzle 6, the molten metal is blown away, and thus the cutting seam is formed.

[0030] The electrode pipe 4 and the air inlet pipe 5 are provided with a translation alignment mechanism along the pipeline direction, the translation alignment mechanism comprises two sets of alignment lead screws 7 installed on the outer sides of the electrode pipe 4 and the air inlet pipe 5, the outer sides of the shafts of the two sets of alignment lead screws 7 are provided with alignment lead screw sleeves 11, the two sets of alignment lead screw sleeves 11 are integrally connected through an alignment sliding table 8, the shafts of the two sets of alignment lead screw sleeves 11 are provided with transmission gears 12 at one end, a brake knob 14 is provided on one side of the rack of the alignment sliding table 8 in a penetrating manner, and the central shaft of the brake knob 14 is provided with a brake gear 13 engaged with the transmission gear 12, by rotating the brake knob 14, the brake gear 13 is driven to rotate, by the engagement transmission of the brake gear 13 and the transmission gear 12, the alignment lead screw sleeve 11 is driven to rotate, the alignment lead screw sleeve 11 is pushed to slide in the axial direction of the alignment lead screw 7, and then the alignment sliding table 8 is pushed to slide, the support direction of the support guide wheel 10 is flexibly adjusted, on the one hand, by the translation alignment of the support guide wheel 10, the support guide wheel 10 is used as a different force support point, so that the staff can conveniently control and use, on the other hand, by the translation alignment of the support guide wheel 10, the support guide wheel 10 is arranged far away from the nozzle 6, so as to avoid that the molten metal after cutting is splashed on the support guide wheel 10.

[0031] A lifting alignment mechanism is installed below the alignment sliding table 8, the lifting alignment mechanism comprises a positioning screw sleeve 15 installed below the alignment sliding table 8 and a positioning screw rod 16 screwed in the positioning screw sleeve 15, a dismounting knob 17 is arranged at the bottom end of the positioning screw rod 16, by the combination of the dismounting knob 17 and the positioning screw rod 16, the positioning screw rod 16 is fixed on the positioning screw sleeve 15 in a screwing manner, and then the combination of the support frame 9 and the support guide wheel 10 is screwed on the alignment sliding table 8, as a force support point of the plasma cutting gun.

[0032] The lifting screw 18 is screwed with the support frame 9 along the screw thread direction of the lifting screw 18, the frame middle part of the support frame 9 is provided with a lifting screw sleeve 19 matched with the lifting screw 18, the support frame 9 is rotated to push the lifting screw sleeve 19 to screw along the lifting screw 18 to ascend or descend, the height direction of the support guide wheel 10 is flexibly adjusted and controlled, and then the height direction of the nozzle 6 is adjusted and controlled to adapt to different cutting environments.

[0033] The frame two ends of the support frame 9 are provided with the support guide wheels 10, the horizontally opposite two groups of support guide wheels 10 are symmetrically arranged relative to the nozzle 6, the horizontal guide support of the support guide wheels 10 can horizontally place the support guide wheels 10 on the metal material to be cut as the force supporting point of the nozzle 6, and the support guide wheels 10 can be used as the guide wheel component to improve the cutting displacement accuracy of the nozzle 6.

[0034] The working principle of the utility model is as follows: when the metal material is cut by the plasma cutting gun, the cutting state of the plasma cutting gun can be adjusted and controlled according to the cutting situation on the spot, then in the adjustment and control process, the brake knob 14 is rotated to drive the brake gear 13 to rotate, the brake gear 13 and the transmission gear 12 are engaged to drive the position adjusting sleeve 11 to rotate and translate along the shaft direction of the position adjusting screw 7, then the position adjusting slide 8 is pushed to translate, the support direction of the support guide wheel 10 is flexibly adjusted and controlled, the horizontal position of the support guide wheel 10 can horizontally place the support guide wheel 10 on the metal material to be cut as the force supporting point of the nozzle 6, and the support guide wheel 10 can be used as the guide wheel component to improve the cutting displacement accuracy of the nozzle 6, and the support guide wheel 10 is far away from the nozzle 6 to avoid the molten metal from splashing on the support guide wheel 10;

[0035] Further, the lifting screw sleeve 19 can be screwed along the lifting screw 18 to ascend or descend, the support height direction of the support guide wheel 10 is flexibly adjusted and controlled, and then the height direction of the nozzle 6 is adjusted and controlled to adapt to different cutting environments, in the specific operation, the height of the support frame 9 and the support guide wheel 10 is adjusted and controlled by rotating the lifting screw sleeve 19 by 180 degrees each time, so that the roller direction of the support guide wheel 10 is always the same as the cutting displacement direction of the nozzle 6.

[0036] Further, after the state of the plasma cutting gun is regulated, the worker holds the switch joint 1 and places the supporting guide wheel 10 on the metal material to be cut, uses the supporting guide wheel 10 as a guide wheel supporting point, controls the plasma cutting gun to translate along the cutting line, uses the high-temperature plasma arc and high-speed plasma gas sprayed by the nozzle 6 to melt and cut the metal material, blows away the molten cut metal, and thus forms a cutting seam, so that the cutting is more accurate and the cutting control is more convenient.

[0037] The above only describes the preferred embodiments of the utility model, and it should be noted that those skilled in the art can make some improvements and refinements without departing from the principle of the utility model, and these improvements and refinements should also be considered as the protection scope of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the field without special description and limitation.

Claims

1. A plasma cutting torch comprising: The switch joint (1) comprises an electrode inlet and an air inlet. An electrode pipe (4) is installed on the electrode outlet of the switch joint (1), and an air inlet pipe (5) is installed on the air pressure outlet of the switch joint (1), wherein the electrode pipe (4) and the air inlet pipe (5) are connected to a nozzle (6). A translation alignment mechanism is installed on the electrode pipe (4) and the air inlet pipe (5) along the pipeline direction. The translation alignment mechanism comprises two sets of alignment lead screws (7) installed on the outer sides of the electrode pipe (4) and the air inlet pipe (5), wherein the shafts of the two sets of alignment lead screws (7) are provided with alignment lead screw sleeves (11) on the outer sides, and the two sets of alignment lead screw sleeves (11) are integrally connected through an alignment sliding table (8). A lifting alignment mechanism is installed below the alignment sliding table (8). The lifting alignment mechanism comprises a positioning screw sleeve (15) installed below the alignment sliding table (8) and a positioning screw rod (16) screwed into the positioning screw sleeve (15), wherein a lifting screw rod (18) is installed below the positioning screw rod (16), and a support frame (9) is screwed to the lifting screw rod (18) along the thread direction. Support guide wheels (10) are installed at both ends of the frame of the support frame (9).

2. A torch according to claim 1, wherein, The shafts of the two sets of alignment lead screw sleeves (11) are provided with transmission gears (12) at one end, and a brake knob (14) is provided on one side of the rack of the alignment sliding table (8), wherein the central shaft of the brake knob (14) is provided with a brake gear (13) engaged with the transmission gear (12).

3. A torch according to claim 1, wherein, The bottom end of the positioning screw rod (16) is provided with a disassembly knob (17).

4. The torch of claim 1 wherein, The frame of the support frame (9) is provided with a lifting screw sleeve (19) matched with the lifting screw rod (18) in the middle.

5. The torch of claim 1 wherein, The two sets of support guide wheels (10) horizontally opposite to each other are symmetrically arranged relative to the nozzle direction of the nozzle (6).

6. A torch according to claim 1 wherein, An electrode interface (2) is installed on the electrode inlet of the switch joint (1), and an air inlet interface (3) is installed on the air inlet of the switch joint (1).

7. The torch of claim 1 wherein, A hand holding sleeve is arranged on the switch joint (1) along the switch pressure handle direction, and the hand holding sleeve is made of silicone rubber material.

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