Cutting gun adjusting and fastening device and cutting machine

Abstract

The utility model relates to the technical field of machining equipment, and provides a cutting gun adjusting and fastening device and a cutting machine. The cutting gun comprises a cutting gun body and a cutting gun support perpendicular to the cutting gun body. The adjusting and fastening device comprises a hoop, an adjusting device and a driving device, wherein the hoop is arranged to detachably fasten the cutting gun body in the circumferential direction; the supporting rod is arranged to extend in parallel to the cutting gun body, and the first end of the supporting rod is fixedly connected to the cutting gun support; and the connecting plate is arranged to connect the hoop to the second end of the supporting rod, and the supporting rod can move relative to the connecting plate in the direction parallel to the cutting gun support. According to the adjusting and fastening device, the adjusting and fastening functions of the cutting gun can be achieved, so that the cutting gun is more stable in the working process, the end face of a cut casting blank is smoother, burrs and cutting grooves on the end face are reduced, and the cutting quality of the casting blank is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel smelting equipment, in particular to a cutting gun adjusting and fastening device and a cutting machine comprising the cutting gun adjusting and fastening device. Background Art

[0002] In the steelmaking continuous casting process, the ingot needs to be cut into a certain length for the next step of rolling production. The cutting equipment used in continuous casting is usually composed of a cutting trolley, a trolley track, and a flame cutting gun installed at the bottom of the cutting trolley. The working process is as follows: the two cutting gun trolleys move toward each other along the middle of the guide rail under the action of their corresponding power drive mechanisms. When the two guns meet near the middle, one of the cutting gun trolleys stops and then moves back to its original position in the opposite direction, while the other cutting gun trolley continues to move and cut until the continuous casting ingot is cut off. During the cutting process, the cutting direction is required to be perpendicular to the upper surface of the ingot. In actual production, the cutting gun body is constantly expanding and contracting due to long-term high-temperature operation, and the driving guide wheel of the cutting gun is worn, which makes the gun body bend or deflect horizontally. The gun body is prone to vertical deflection. In this way, the verticality and horizontal straightness of the two cutting guns have large deviations, so that the two cutting seams cannot be in the same straight line when the two guns meet, and the cutting guns are misaligned, resulting in uneven cutting end faces of the ingots, and defects such as bevel cutting and cutting grooves at the ends. In addition, the jitter existing in the operation of the cutting trolley is transmitted to the cutting gun, causing the cutting work to be unstable, resulting in cutting strip lines, and the phenomenon of cutting slag and nodules, forming burrs, which are not easy to remove. The head and tail of the billet are greatly lost during rolling, which is seriously wasted, and the quality of the ingot is affected. In the production process, when the cutting nozzle of the cutting gun head is blocked and needs to be replaced, it is difficult to operate in the high temperature environment. During the disassembly process, the cutting gun is easily subjected to force, and the cutting gun body often shifts and deviates from the center line of the two guns. Since the gun body is fixed on the gun frame by screws, it is not conducive to adjusting and tightening the position of the cutting gun during production, making it difficult to align the movement of the two gun bodies and adjust and tighten them.

[0003] Therefore, the existing cutting gun adjustment and fastening device needs to be improved. Utility Model Content

[0004] The utility model provides a cutting gun adjusting and fastening device and a cutting machine comprising the adjusting and fastening device.

[0005] In order to solve at least one of the above technical problems, the utility model adopts the following technical solutions:

[0006] According to the utility model, a cutting gun adjustment and fastening device is provided, wherein the cutting gun comprises a cutting gun body and a cutting gun bracket perpendicular to the cutting gun body, wherein the adjustment and fastening device comprises: a clamp, configured to detachably fasten the cutting gun body circumferentially; a support rod, configured to extend parallel to the cutting gun body and fixedly connected to the cutting gun bracket at a first end; and a connecting plate, configured to connect the clamp to the second end of the support rod, and the support rod is movable relative to the connecting plate in a direction parallel to the cutting gun bracket.

[0007] According to one embodiment of the utility model, the clamp includes a first pipe clamp and a second pipe clamp having a semi-circular arc structure, wherein the first end of the first pipe clamp is hinged to the first end of the second pipe clamp; the second end of the first pipe clamp is detachably engaged with the second end of the second pipe clamp; in the assembled state, the semi-circular arc structure of the first pipe clamp and the semi-circular arc structure of the second pipe clamp define a cylindrical cavity circumferentially surrounding the cutting gun body, and the cylindrical cavity has a central axis parallel to the cutting gun body.

[0008] According to an embodiment of the present invention, the first pipe clamp is fixed to the connecting plate by welding.

[0009] According to one embodiment of the utility model, the clamp includes a hinge bolt, wherein a first lug is provided at the first end of the first pipe clamp, and a first hinge hole parallel to the central axis is formed on the first lug; a second lug is provided at the first end of the second pipe clamp, and a second hinge hole parallel to the central axis is formed on the second lug; the first lug and the second lug are overlapped in a direction parallel to the central axis, the first hinge hole and the second hinge hole are overlapped to form a through hole, and the hinge bolt passes through the through hole to connect the first pipe clamp and the second pipe clamp in a hinged manner.

[0010] According to an embodiment of the present invention, the number of the first lug and / or the second lug is more than one.

[0011] According to one embodiment of the utility model, the clamp includes a fixing bolt and a locking bolt with a hole on the head, wherein the second end of the first tube clamp is recessed inwardly in the middle of the side surface to form a fixing groove, and the second end of the first tube clamp is provided with a fixing through hole parallel to the center axis and extending through the fixing groove; the second end of the second tube clamp is recessed inwardly in the middle of the side surface at a position corresponding to the fixing groove to form a locking groove, and the locking groove extends through the second tube clamp in a direction perpendicular to the center axis; the fixing bolt extends through the fixing through hole and the hole of the locking bolt head located in the fixing groove, and when the locking bolt is rotated into the locking groove with the fixing bolt as the axis, its threaded end extends out of the locking groove.

[0012] According to an embodiment of the present invention, the number of the fixing groove, the locking groove and the locking bolt is more than one.

[0013] According to one embodiment of the utility model, the adjustment and fastening device includes a gasket and a fastening bolt, wherein the connecting plate is provided with a through slide groove extending in a direction parallel to the cutting gun bracket; the second end of the support rod is provided with a slider matching the through slide groove, and the bottom of the slider is provided with a threaded hole along the extension direction of the support rod; the gasket is provided with a through hole, and the fastening bolt passes through the through hole of the gasket and the through slide groove in sequence and then is screwed into the threaded hole of the slider.

[0014] According to an embodiment of the present invention, the through slide groove is a square through slide groove, and the slider is a square slider matching the square through slide groove.

[0015] According to an embodiment of the present invention, a cutting machine is provided, comprising a cutting gun adjusting and fastening device as described in any of the above embodiments.

[0016] By adopting the above technical scheme, the cutting gun adjustment and fastening device of the utility model is installed under the cutting gun bracket. By adjusting the position of the cutting gun, the gun body of the cutting gun is fastened and stabilized. It is simple to use, easy to operate, and firmly locked. It can ensure the verticality and horizontal tangent of the cutting gun, ensure the positioning accuracy of the two guns, and solve the vertical tilting and swinging caused by the loose fixation of the cutting gun, thereby improving the quality of the cut end face of the ingot, reducing the impact of poor cutting on subsequent processes, and reducing the head and tail rolling losses of the ingot in the later stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention, but do not constitute a limitation to the present invention. In the accompanying drawings:

[0018] Figure 1a It is a schematic diagram of a cutting gun adjustment and fastening device according to an embodiment of the utility model, and the figure includes a cutting gun;

[0019] Figure 1b for Figure 1a A top view of the cutting gun adjustment and fastening device is shown, without the cutting gun in the figure;

[0020] Figure 2a It is a front view of a clamp according to an embodiment of the utility model;

[0021] Figure 2b for Figure 2a A left side view of the clamp shown;

[0022] Figure 2c for Figure 2a A right side view of the clamp shown;

[0023] Figure 2d for Figure 2a A top view of the clamp shown;

[0024] Figure 3a It is a front view of a first pipe clamp according to an embodiment of the utility model;

[0025] Figure 3b for Figure 3a A left side view of the first pipe clamp shown;

[0026] Figure 3c for Figure 3a A right side view of the first pipe clamp shown;

[0027] Figure 3d for Figure 3a A top view of the first pipe clamp shown;

[0028] Figure 4a It is a front view of a second pipe clamp according to an embodiment of the utility model;

[0029] Figure 4b for Figure 4a A left side view of the second pipe clamp is shown;

[0030] Figure 4c for Figure 4a A top view of the second pipe clamp shown;

[0031] Figure 5a A front view of a support rod according to an embodiment of the utility model;

[0032] Figure 5b for Figure 5a a bottom view of the support rod shown;

[0033] Figure 6a A front view of a connecting plate according to an embodiment of the utility model;

[0034] Figure 6b for Figure 6a A top view of the connecting plate shown;

[0035] Figure 7a A front view of a gasket according to an embodiment of the utility model;

[0036] Figure 7b for Figure 7a A top view of the gasket is shown.

[0037] Description of Reference Numerals

[0038] 100, cutting gun, 110, cutting gun body, 120, cutting gun bracket, 130, gas and water pipeline;

[0039] 200. Adjust the fastening device;

[0040] 210, clamp, 211, first pipe clamp, 2111, first lug, 2112, fixing groove, 212, second pipe clamp, 2121, second lug, 2122, locking groove, 213, hinge bolt, 214, fixing bolt, 215, locking bolt;

[0041] 220, support rod, 221, first end of support rod, 222, second end of support rod, 223, slider, 224, threaded hole;

[0042] 230, connecting plate; 231, slide groove; 240, gasket; 250, fastening bolt. DETAILED DESCRIPTION

[0043] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0044] The terms "including" and "having" and any variations thereof in the specification and claims of the present utility model and the above-mentioned drawings are intended to cover non-exclusive inclusions; the terms "first", "second", etc. in the specification and claims of the present utility model or the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order. "Multiple" means two or more, unless otherwise clearly and specifically defined.

[0045] In the specification and claims of the utility model and the above-mentioned drawings, when an element is referred to as being "fixed on" or "mounted on" or "disposed on" or "connected to" another element, it may be directly or indirectly located on the other element. For example, when an element is referred to as being "connected to" another element, it may be directly or indirectly connected to the other element.

[0046] In addition, the reference to "embodiment" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiment may be included in at least one embodiment of the present invention. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0047] Figure 1a and Figure 1bThe schematic diagram and top view of the cutting gun adjustment and fastening device according to an embodiment of the utility model are respectively shown. In order to more clearly show the adjustment and fastening device, Figure 1b Removed Figure 1a The cutting gun structure included in the adjustment and fastening device. The cutting gun 100 used in the adjustment and fastening device includes a cutting gun body 110 and a cutting gun bracket 120 perpendicular to the cutting gun body 110. One end of the cutting gun body 110 has a cutting gun head (not shown in the figure), and the other end opposite thereto is connected to a gas-water pipeline 130. The pipeline 130 is a general term for pipelines for transporting fuel gas / combustion-supporting gas or cooling water required for the cutting gun, including but not limited to hydrogen pipelines, coal gas pipelines, oxygen pipelines or cooling water pipelines, etc. Although Figure 1a Only three groups of pipes 130 are shown, but in actual production, the number of pipes 130 can be increased or decreased according to specific working conditions. For the convenience of description, the extension direction of the cutting gun body 110 is defined as a first direction, and the extension direction of the cutting gun bracket 120 is a second direction perpendicular to the first direction. In actual production, the first direction of the cutting gun body 110 is generally a vertical direction, so that the cutting gun head faces the steel billet directly below, which is convenient for performing the cutting process; the second direction is generally a horizontal direction.

[0048] As shown in the figure, the adjustment and fastening device according to the utility model generally includes: a clamp 210, a support rod 220 and a connecting plate 230 connecting the two. Specifically, the clamp 210 is configured to detachably fasten the cutting gun body 110 circumferentially, and the support rod 220 is configured to extend in a first direction parallel to the cutting gun body 110 and is fixedly connected to the cutting gun bracket 120 at a first end 221. The connecting plate 230 is configured to connect the clamp 210 to the second end 222 of the support rod 220. The support rod 220 is movable relative to the connecting plate 230 along a second direction parallel to the cutting gun bracket 120.

[0049] Figure 2a-Figure 4c A clamp 210 according to an embodiment of the present invention is shown. In this embodiment, the clamp 210 may include a first pipe clamp 211 and a second pipe clamp 212 having a semicircular arc structure. The first end of the first pipe clamp 211 is hinged to the first end of the second pipe clamp 212; the second end of the first pipe clamp 211 is detachably engaged with the second end of the second pipe clamp 212. In the assembled state, the semicircular arc structure of the first pipe clamp 211 and the semicircular arc structure of the second pipe clamp 212 define a cylindrical cavity that circumferentially surrounds the cutting gun body 110, and the cylindrical cavity has a central axis parallel to the cutting gun body 110. In an embodiment of the present invention, the first pipe clamp 211 can be fixedly connected to the connecting plate 230 as a fixed pipe clamp, for example but not limited to being fixedly connected to the connecting plate 230 by welding.

[0050] In one embodiment of the utility model, the first tube clamp 211 and the second tube clamp 212 can be pivotally connected by a hinge bolt 213. Specifically, a first lug 2111 is provided at the first end of the first tube clamp 211, and a first hinge hole parallel to the central axis is provided on the first lug 2111; a second lug 2121 is provided at the first end of the second tube clamp 212, and a second hinge hole parallel to the central axis is provided on the second lug 2121. The first lug 2111 and the second lug 2121 overlap in a direction parallel to the central axis, so that the first hinge hole and the second hinge hole overlap to form a through hole. The hinge bolt 213 passes through the through hole to connect the first tube clamp 211 and the second tube clamp 212 in a hinged manner. Preferably, the number of the first lug 2111 and / or the second lug 2121 is more than one. Figure 2b , Figure 3a and Figure 4b As shown, the first pipe clamp 211 has two first lugs 2111 , and the second pipe clamp 212 has one second lug 2121 , and the three are overlapped with each other to form a part of the clamp 210 .

[0051] The second end of the first pipe clamp 211 and the second end of the second pipe clamp 212 can be detachably connected in various forms. In one embodiment of the utility model, the clamp 210 may further include a fixing bolt 214 and a locking bolt 215. Among them, the locking bolt 215 needs to have a hole on the head, also known as a fisheye bolt or a sheep eye bolt. The second end of the first pipe clamp 211 is recessed inwardly in the middle of the side to form a fixing groove 2112, and the second end of the first pipe clamp 211 is provided with a fixing through hole parallel to the central axis and extending through the fixing groove 2112; the second end of the second pipe clamp 212 is recessed inwardly in the middle of the side at a position corresponding to the fixing groove to form a locking groove 2122, and the locking groove 2122 extends through the second pipe clamp 212 in a direction perpendicular to the central axis. The fixing bolt 214 extends through the fixing through hole and the hole of the head of the locking bolt 215 located in the fixing groove 2122. When the locking bolt 215 rotates into the locking groove 2122 with the fixing bolt 214 as the axis, its threaded end extends out of the locking groove. Thus, the locking bolt 215 can be tightened with a nut to fix it in the locking groove 2122, thereby combining the second end of the first pipe clamp 211 with the second end of the second pipe clamp 212. Preferably, the number of the fixing groove 2122, the locking groove 2122 and the locking bolt 215 is more than one. Those skilled in the art can determine the specific number according to actual working conditions.

[0052] In an embodiment of the present invention, the adjusting and fastening device may further include a gasket 240 and a fastening bolt 250 for fixing the support rod 220 to the connecting plate 230 . Figure 5a-7bThe specific structure of the fixed support rod 220 and the gasket 240 is shown. As shown in the figure, a through slide 231 extending in a direction parallel to the cutting gun bracket is provided on the connecting plate 230; a slider 223 matching the through slide 231 is provided at the second end of the support rod, and a threaded hole 224 is provided at the bottom of the slider 223 along the extension direction of the support rod; a through hole is provided on the gasket 240, and the fastening bolt 250 passes through the through hole of the gasket 240 and the through slide 231 in sequence and then screwed into the threaded hole 224 of the slider 223. Preferably, the through slide 231 can be a square through slide 231, and the slider 223 is a square slider 223 matching the square through slide 231 to prevent the slider 223 from rotating in the through slide 231.

[0053] On the one hand, the adjustment and fastening device has a fastening effect. A quadrilateral frame structure is formed by the cutting gun body 110, the cutting gun bracket 120, the support rod 220 and the connecting plate 230. The frame structure ensures its firmness, and can ensure that the spacing between the support rod 220 and the cutting gun body 110 is stable and unchanged, ensuring that the cutting gun does not deviate arbitrarily, and can reduce the bending deformation of the cutting gun due to heat. On the other hand, the cutting gun body 110 can move in a first direction in the clamp 210, and move in a second direction relative to the support rod 220 with the connecting plate 230, so as to facilitate the precision adjustment of the verticality and horizontal straightness of the cutting gun. When making precision adjustments to the cutting gun 100, the pendant can be fixed on the cutting gun bracket 120. After determining the spacing and the verticality of the support rod 220 by the plumb line method, the verticality of the cutting gun body 110 is adjusted and fixed in the clamp 210.

[0054] During the production process, the cutting nozzle is prone to slag clogging due to the high-temperature slag splashing during cutting. The cutting nozzle is easily clogged with slag, and the cutting gas is not smooth due to the slag clogging, which affects the cutting quality. In severe cases, normal cutting cannot be performed. At this time, the cutting nozzle needs to be replaced in time, but it is quite difficult to remove the cutting nozzle due to the sticky slag and high temperature. During the removal process, the cutting gun is often displaced by the force applied to the cutting gun, which causes the cutting end face to be dislocated. The cutting gun adjustment device is used to ensure that when the cutting nozzle is replaced, the support rod 220 will not be loosened due to the force applied to the fixing bolt of the support rod 220, causing the cutting gun to shift or dislocate. The slider and the slide groove cooperate to prevent the cutting gun from rotating, which facilitates the removal of the cutting nozzle. The risk of cutting gun displacement can be effectively reduced, the horizontal and vertical accuracy of the cutting gun can be ensured, and the cutting quality can be ensured. The support rod 220, the cutting gun bracket 120, the cutting gun 110, and the connecting plate 230 form a frame structure, which further enhances the stability of the cutting gun, reduces the shaking of the cutting gun during operation, and then reduces the strip lines generated by cutting the ingot, so that the cutting quality of the ingot is more controlled.

[0055] Compared with the prior art, the cutting gun adjustment and fastening device according to the utility model has a simple structure, convenient adjustment, and stable effect. The horizontality and verticality of the cutting gun after use are greatly improved, and the control accuracy of the cutting gun meets the requirements, ensuring the stable operation of the cutting gun, improving the cutting quality of the ingot cross-section, reducing the impact of poor cutting on subsequent processes, reducing the ingot offline processing rate, and reducing the labor intensity and safety risks of operators manually processing defective ingots.

[0056] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, and these simple modifications all belong to the protection scope of the present invention.

[0057] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present utility model will not further describe various possible combinations.

[0058] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A cutting gun adjustment and fastening device (200), characterized in that: The cutting gun (100) comprises a cutting gun body (110) and a cutting gun support (120) perpendicular to the cutting gun body (110), and the adjusting and fastening device (200) comprises: A clamp (210) configured to detachably fasten the cutting gun body (110) circumferentially; a support rod (220), arranged to extend parallel to the cutting gun body (110) and fixedly connected to the cutting gun bracket (120) at a first end; and The connecting plate (230) is configured to connect the clamp (210) to the second end of the support rod (220), and the support rod (220) is movable relative to the connecting plate (230) in a direction parallel to the cutting gun bracket (120).

2. The adjusting and fastening device (200) according to claim 1, characterized in that: The clamp (210) comprises a first pipe clamp (211) and a second pipe clamp (212) having a semicircular arc structure, wherein: The first end of the first pipe clamp (211) is hingedly connected to the first end of the second pipe clamp (212); The second end of the first tube clamp (211) is detachably engaged with the second end of the second tube clamp (212); In the assembled state, the semicircular arc structure of the first tube clamp (211) and the semicircular arc structure of the second tube clamp (212) define a cylindrical cavity circumferentially surrounding the cutting gun body (110), and the cylindrical cavity has a central axis parallel to the cutting gun body (110).

3. The adjusting and fastening device (200) according to claim 2, characterized in that: The first pipe clamp (211) is welded and fixed to the connecting plate (230).

4. The adjusting and fastening device (200) according to claim 2, characterized in that: The clamp (210) comprises a hinge bolt (213), wherein: The first end of the first pipe clamp (211) is provided with a first lug (2111), and the first lug (2111) is provided with a first hinge hole parallel to the central axis; The first end of the second pipe clamp (212) is provided with a second lug (2121), and the second lug (2121) is provided with a second hinge hole parallel to the central axis; The first lug (2111) and the second lug (2121) overlap in a direction parallel to the central axis, the first hinge hole and the second hinge hole overlap to form a through hole, and the hinge bolt (213) passes through the through hole to connect the first pipe clamp (211) and the second pipe clamp (212) in a hinged manner.

5. The adjusting and fastening device (200) according to claim 4, characterized in that: The number of the first lug (2111) and / or the second lug (2121) is more than one.

6. The adjusting and fastening device (200) according to claim 4, characterized in that: The clamp (210) comprises a fixing bolt (214) and a locking bolt (215) with a hole on the head, wherein: The second end of the first tube clamp (211) is recessed inwardly at the middle of the side surface to form a fixing groove (2112), and the second end of the first tube clamp (211) is provided with a fixing through hole parallel to the central axis and extending through the fixing groove (2112); The second end of the second tube clamp (212) is recessed inwardly at a position corresponding to the fixing groove (2112) in the middle of the side surface to form a locking groove (2122), and the locking groove (2122) extends through the second tube clamp (212) in a direction perpendicular to the central axis; The fixing bolt (214) extends through the fixing through hole and the hole of the locking bolt head located in the fixing groove (2112); when the locking bolt (215) rotates into the locking groove (2122) with the fixing bolt (214) as the axis, its threaded end protrudes from the locking groove (2122).

7. The adjusting and fastening device (200) according to claim 6, characterized in that: The number of the fixing groove (2112), the locking groove (2122) and the locking bolt (215) is more than one.

8. The adjusting and fastening device (200) according to claim 1, characterized in that: The adjusting and fastening device (200) comprises a gasket (240) and a fastening bolt (250), wherein: The connecting plate (230) is provided with a through sliding groove (231) extending in a direction parallel to the cutting gun bracket (120); The second end of the support rod (220) is provided with a sliding block (223) matching the through sliding groove (231), and the bottom of the sliding block (223) is provided with a threaded hole (224) along the extension direction of the support rod (220); The gasket (240) is provided with a through hole, and the fastening bolt (250) passes through the through hole of the gasket (240) and the through sliding groove (231) in sequence and then is screwed into the threaded hole (224) of the sliding block (223).

9. The adjusting and fastening device (200) according to claim 8, characterized in that: The through slide groove is a square through slide groove (231), and the slider (223) is a square slider matching the square through slide groove (231).

10. A cutting machine, characterized in that: It comprises a cutting gun adjusting and fastening device (200) as claimed in any one of claims 1 to 9.

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