Manual slab cutting gun nozzle positioning device

Abstract

The utility model discloses a manual plate blank cutting gun nozzle positioning device which is characterized in that a positioning component is mounted on the outer side of a cutting gun nozzle, a positioning sleeve is sleeved in the middle of the cutting gun nozzle, a gun nozzle screw is mounted in the middle of the positioning sleeve, the positioning sleeve is welded on one side of a sliding block, the sliding block is sleeved on an angle plate in a sliding manner, and guide ports are symmetrically formed in positions, corresponding to the sliding block, of the angle plate; a positioning screw rod is installed in the middle of the side, away from the positioning sleeve, of the sliding block through a screw hole, a rotating plate is welded to one end of the positioning screw rod, the bottom end of an angle plate is connected to the middle of the bottom face of a balance weight rod in a welded mode, and supporting assemblies are installed at the two ends of the balance weight rod. The upward counter-acting force brought by flames sprayed out of the cutting gun nozzle is overcome, according to needs, the adjusting sliding block is pulled along the guide opening, the cutting gun nozzle is pulled along the positioning sleeve, and the height of the flame spraying position and the height of the cutting position are adjusted in sequence, so that a thick steel plate can be better cut in the follow-up process.

Description

TECHNICAL FIELD

[0001] The utility model relates to flame cutting technical field, concretely is a kind of manual slab cutting torch positioning device. BACKGROUND

[0002] Flame cutting is a common way of rough machining of steel plate, and flame cutting is to cut carbon steel by using high temperature generated in the combustion process of iron oxide. The design of flame cutting torch provides sufficient oxygen for the combustion of iron oxide to ensure good cutting effect. The cutting nozzle of ordinary cutting steel is small, and it is relatively easy to cut steel plates with a thickness of not more than 5 cm, and it is convenient to control manually.

[0003] However, in a steel mill, cutting guns are often used to cut slab and other structures with ingot, with a thickness of more than 200 mm. The ordinary nozzle has small firepower and cannot cut through. Only a special cutting gun with large flow can be used for cutting. This situation can cause the cutting nozzle to have increased reaction force due to the appearance of high-flow cutting flame. Since the standing position is far away, the phenomenon of holding the cutting gun may occur. Adding a counterweight of about 2 kg to the head of the cutting gun can solve this problem. However, there is a problem that the distance between the cutting nozzle and the surface of the slab cannot be adjusted, and the cutting reflection stream and the cutting steel liquid can splash and damage the cutting gun head. CONTENT OF THE UTILITY MODEL

[0004] The utility model provides a kind of manual slab cutting torch positioning device, which can effectively solve the above-mentioned problems of the appearance of high-flow cutting flame, increased reaction force of cutting nozzle, far standing position, holding phenomenon of cutting gun, distance between cutting nozzle and surface of slab, cutting reflection stream, cutting steel liquid and damage to cutting gun head.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of manual slab cutting torch positioning device, comprising a cutting nozzle, a positioning assembly is installed outside the cutting nozzle, the positioning assembly comprises a positioning sleeve, a nozzle screw, a sliding block, an angle plate, a guide port, a positioning screw, a rotating plate, a counterweight rod, a clamping groove and a heat shield;

[0006] The cutting nozzle is sleeved with a positioning sleeve in the middle, the nozzle screw is installed in the middle of the positioning sleeve, the positioning sleeve is welded on one side of the sliding block, the sliding block is slidably sleeved with the angle plate, the angle plate is symmetrically provided with a guide port corresponding to the sliding block, the sliding block is installed with a positioning screw in the middle of the side away from the positioning sleeve through a screw hole, the positioning screw is welded with a rotating plate at one end, and the angle plate is welded and connected to the middle of the bottom surface of the counterweight rod.

[0007] According to the technical scheme, the sliding block is provided with a clamping groove on both sides, and a heat insulation baffle is clamped in the clamping groove.

[0008] According to the technical scheme, the guide hole penetrates the top end of the angle plate, the angle plate is provided with an anti-skid groove at the position of the positioning screw, the width of the anti-skid groove is equal to the diameter of the positioning screw, and the bottom surface of the anti-skid groove is a rough plane.

[0009] According to the technical scheme, the counterweight rod is provided with a supporting assembly at both ends, the supporting assembly comprises a sleeve ring, a bottom positioning screw, a parallel rod, an adjusting groove, a circular hole, an angle clamping hole, an internal thread pipe, an angle clamping plate, a fixed pulley, an adjusting screw and a limiting baffle.

[0010] The sleeve ring is movably sleeved at both ends of the counterweight rod, the bottom surface of the sleeve ring is provided with a bottom positioning screw through a threaded hole, the bottom end of the sleeve ring is welded to the middle part of the top surface of the parallel rod, the bottom part of both ends of the parallel rod is provided with an adjusting groove, the bottom surface of the adjusting groove is provided with a circular hole, the bottom surface of the adjusting groove is uniformly provided with an angle clamping hole at the edge of the circular hole, the internal thread pipe is movably embedded in the circular hole, the angle clamping plate is uniformly welded to the outside of the bottom end of the internal thread pipe, the fixed pulley is welded to the bottom end of the internal thread pipe, the adjusting screw is installed in the internal thread pipe, and the limiting baffle is welded to the top end of the adjusting screw.

[0011] According to the technical scheme, the sleeve ring is a regular hexagonal block with a circular hole in the middle, and the sleeve ring and the counterweight rod are in transition fit.

[0012] According to the technical scheme, the circular hole and the internal thread pipe are in transition fit, and the height of the angle clamping plate is half of the internal thread pipe.

[0013] Compared with the prior art, the utility model has the advantages of scientific and reasonable structure, safe and convenient use.

[0014] 1、The positioning assembly is arranged, the structure of the counterweight rod and the connecting gun head increases the weight of the gun head part, the upward reaction force caused by the flame sprayed by the cutting gun nozzle is overcome, the sliding block is sleeved in the guide hole of the angle plate, the adjusting sliding block is pulled along the guide hole according to needs, the cutting gun nozzle is pulled along the positioning sleeve, the height of the flame spraying position and the cutting position is adjusted, the gun nozzle screw and the positioning screw are rotated for fixation, so that the thick steel plate is better cut subsequently, the heat insulation baffle is clamped in the clamping groove, the condition of flame splashing is further reduced, and the counterweight rod makes the center of gravity lower during cutting, and the cutting gun nozzle is pulled more stably.

[0015] 2, set up support assembly, rotate in the collar counterweight rod, adjust the angle of the cutting surface and the angle of the loose adjusting screw and limit baffle, so that the limit baffle gradually away from parallel bar, lift one end of the parallel bar, under the action of gravity, the inner threaded tube along the circular hole down, until the angle of the cardboard card card hole, at this time, rotate the fixed pulley, rotate to the appropriate angle, then the angle of the cardboard card card hole, until each fixed pulley rotation angle is the same, when cutting, can make the cutting gun nozzle stable translation or oblique, further improve the stability of cutting. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, together with the embodiments of the present application, to explain the present application, and do not constitute a limitation on the present application.

[0017] In the drawings:

[0018] Figure 1 is a structural schematic view of the present application;

[0019] Figure 2 is a structural schematic view of the positioning assembly of the present application;

[0020] Figure 3 is a structural schematic view of the heat insulation baffle of the present application;

[0021] Figure 4 is a structural schematic view of the support assembly of the present application;

[0022] Reference numerals in the drawing: 1, cutting gun nozzle;

[0023] 2, positioning assembly; 201, positioning sleeve; 202, gun nozzle screw; 203, sliding block; 204, angle plate; 205, guide hole; 206, positioning screw; 207, rotating plate; 208, counterweight rod; 209, clamping groove; 210, heat insulation baffle;

[0024] 3, anti-skid groove;

[0025] 4, support assembly; 401, collar; 402, bottom positioning screw; 403, parallel bar; 404, adjusting groove; 405, circular hole; 406, angle card hole; 407, inner threaded tube; 408, angle card plate; 409, fixed pulley; 410, adjusting screw; 411, limit baffle. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present application are described below in conjunction with the accompanying drawings, it should be understood that the preferred embodiments described herein are only used to illustrate and explain the present application, and do not limit the present application.

[0027] Embodiment: asFigures 1-4 The utility model provides a kind of manual plate blank cutting gun nozzle positioning device technical scheme, including cutting gun nozzle 1, positioning assembly 2 is installed on the outside of cutting gun nozzle 1, positioning assembly 2 includes positioning sleeve 201, gun nozzle screw 202, sliding block 203, angle plate 204, guide port 205, positioning screw 206, rotating plate 207, counterweight rod 208, clamping groove 209 and heat insulation baffle 210;

[0028] Positioning sleeve 201 is sleeved in the middle of cutting gun nozzle 1, gun nozzle screw 202 is installed in the middle of positioning sleeve 201, positioning sleeve 201 is welded on the side of sliding block 203, sliding block 203 is sleeved in angle plate 204, angle plate 204 is symmetrically provided with guide port 205 at the position corresponding sliding block 203, positioning screw 206 is installed in the middle of the side of sliding block 203 away from positioning sleeve 201 by screw hole, the top of guide port 205 penetrates the top of angle plate 204, anti-skid groove 3 is provided in angle plate 204 at the position corresponding positioning screw 206, and the width of anti-skid groove 3 is equal to the diameter of positioning screw 206, the bottom surface of anti-skid groove 3 is rough plane, when positioning screw 206 is tightened, the bottom end of positioning screw 206 is tightly pressed in anti-skid groove 3 and is fixed, rotating plate 207 is welded on the one end of positioning screw 206, angle plate 204 is welded and connected to the middle part of the bottom surface of counterweight rod 208, clamping groove 209 is provided on the both sides of sliding block 203, heat insulation baffle 210 is slidably clamped in clamping groove 209, to prevent flame splashing and probe operator.

[0029] Counterweight rod 208 is provided with support assembly 4 at both ends, and support assembly 4 includes sleeve ring 401, bottom positioning screw 402, parallel rod 403, adjusting groove 404, circular hole 405, angle clamping hole 406, internal thread pipe 407, angle clamping plate 408, fixed pulley 409, adjusting screw 410 and limiting baffle 411.

[0030] The sleeve ring 401 is movably sleeved at both ends of the counterweight rod 208, the sleeve ring 401 is a regular hexagonal block with a circle in the middle, the sleeve ring 401 and the counterweight rod 208 are in transition fit, the sleeve ring 401 is convenient to rotate along the counterweight rod 208, the bottom positioning screw 402 is installed on the top surface of the sleeve ring 401 through a screw hole, the sleeve ring 401 is welded to the top surface of the parallel rod 403 in the middle, the adjusting grooves 404 are formed in the bottom of both ends of the parallel rod 403, the round holes 405 are formed in the bottom surface of the adjusting grooves 404, the angle clamping holes 406 are uniformly formed in the edge of the round holes 405, the internally threaded pipes 407 are movably embedded in the round holes 405, the round holes 405 and the internally threaded pipes 407 are in transition fit, the angle clamping plates 408 are half the height of the internally threaded pipes 407, the internally threaded pipes 407 are convenient to rotate and slide in the round holes 405, and the angle clamping plates 408 are more easily clamped in the angle clamping holes 406, the angle clamping plates 408 are uniformly welded on the outside of the bottom end of the internally threaded pipes 407, the fixed pulleys 409 are welded on the bottom end of the internally threaded pipes 407, the adjusting screw rods 410 are installed in the internally threaded pipes 407, and the limiting baffles 411 are welded on the top end of the adjusting screw rods 410.

[0031] The working principle and use process of the utility model are as follows: before use, the sleeve ring 401 is sleeved at the end of the counterweight rod 208, the cutting gun nozzle 1 is embedded into the positioning sleeve 201, the sliding block 203 is sleeved into the guide opening 205 of the angle plate 204, according to needs, the adjusting sliding block 203 is pulled along the guide opening 205 in sequence, the cutting gun nozzle 1 is pulled along the positioning sleeve 201, the height of the flame spraying position and the cutting position is adjusted, the gun nozzle screw 202 and the positioning screw rod 206 are rotated to be fixed, the counterweight rod 208 in the sleeve ring 401 is rotated, the included angle between the angle plate 204 and the cutting surface is adjusted, the bottom positioning screw 402 is further rotated to fix the cutting angle, so that the thick steel plate is better cut subsequently, the sliding clamping heat insulation baffle 210 is clamped in the clamping groove 209, the condition of flame splashing is further reduced, when cutting, the counterweight rod 208 makes the gravity center lower, and the cutting gun nozzle 1 is more stable when being pulled.

[0032] The adjusting screw rod 410 and the limiting baffle 411 are loosened, the limiting baffle 411 is gradually away from the parallel rod 403, one end of the parallel rod 403 is lifted, under the action of gravity, the internally threaded pipe 407 slides along the round hole 405 until the angle clamping plate 408 is separated from the angle clamping hole 406, at this time, the fixed pulley 409 is rotated, after being rotated to a proper angle, the angle clamping plate 408 is embedded into the angle clamping hole 406 again until the rotating angles of each fixed pulley 409 are the same, when cutting, the cutting gun nozzle 1 can be stably translated or obliquely moved, and the stability of cutting is further improved.

[0033] Finally, it should be noted that: the above is only the preferred examples of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A hand-held slab cutting lance positioning device comprising a cutting lance (1), characterized in that: The cutting gun nozzle (1) is provided with a positioning assembly (2) outside, the positioning assembly (2) comprises a positioning sleeve (201), a nozzle screw (202), a sliding block (203), an angle plate (204), a guide port (205), a positioning screw (206), a rotating plate (207), a counterweight rod (208), a clamping groove (209) and a heat insulation baffle (210); The cutting gun nozzle (1) is provided with a positioning sleeve (201) in the middle, the positioning sleeve (201) is provided with a nozzle screw (202) in the middle, the positioning sleeve (201) is welded on one side of the sliding block (203), the sliding block (203) is slidingly sleeved on the angle plate (204), the angle plate (204) is symmetrically provided with a guide port (205) corresponding to the sliding block (203), the sliding block (203) is provided with a positioning screw (206) in the middle away from the positioning sleeve (201) through a screw hole, one end of the positioning screw (206) is welded with a rotating plate (207), and the bottom end of the angle plate (204) is welded and connected to the middle part of the bottom surface of the counterweight rod (208).

2. A hand slitter knife positioning device according to claim 1 wherein, The sliding block (203) is provided with a clamping groove (209) on both sides, and the clamping groove (209) is slidingly connected with a heat insulation baffle (210) inside.

3. A hand slitter knife positioning device according to claim 1 wherein, The top end of the guide port (205) penetrates through the top end of the angle plate (204), the angle plate (204) is provided with an anti-skid groove (3) corresponding to the positioning screw (206), and the width of the anti-skid groove (3) is equal to the diameter of the positioning screw (206), and the bottom surface of the anti-skid groove (3) is a rough plane.

4. A hand slitter knife positioning device according to claim 1 wherein, The counterweight rod (208) is provided with a supporting assembly (4) at both ends, the supporting assembly (4) comprises a sleeve ring (401), a bottom positioning screw (402), a parallel rod (403), an adjusting groove (404), a circular hole (405), an angle clamping hole (406), an internal threaded pipe (407), an angle clamping plate (408), a fixed pulley (409), an adjusting screw (410) and a limiting baffle (411); The counterweight rod (208) is movably sleeved with a sleeve ring (401) at both ends, the top surface of the sleeve ring (401) is provided with a bottom positioning screw (402) through a screw hole, the bottom end of the sleeve ring (401) is welded and connected to the middle part of the top surface of the parallel rod (403), the bottom ends of the parallel rod (403) are provided with adjusting grooves (404), the bottom surface of the adjusting groove (404) is provided with a circular hole (405), the bottom surface of the adjusting groove (404) is uniformly provided with angle clamping holes (406) at the edge of the circular hole (405), the internal threaded pipe (407) is movably embedded in the circular hole (405), the bottom end of the internal threaded pipe (407) is uniformly welded with an angle clamping plate (408) outside, the bottom end of the internal threaded pipe (407) is welded with a fixed pulley (409), the internal threaded pipe (407) is provided with an adjusting screw (410), and the top end of the adjusting screw (410) is welded with a limiting baffle (411).

5. A hand slitter knife positioning device according to claim 4 wherein, The sleeve ring (401) is a regular hexagonal block with a circle in the middle, and the sleeve ring (401) and the counterweight rod (208) are transitionally matched.

6. A hand slitter knife positioning device according to claim 4 wherein, The round hole (405) and the internally threaded tube (407) are a transition fit, and the angular cleat (408) is half the height of the internally threaded tube (407).

Images