阅读说明：本技术 用于等离子火焰切割器的辅助装置 (Auxiliary device for plasma flame cutter ) 是由 黄自成 周继顺 李泽杰 汪奇 郑建华 于 2019-08-05 设计创作，主要内容包括：本发明公开了一种用于等离子火焰切割器的辅助装置,所述辅助装置包括设置在等离子火焰切割器的火焰出口上的前支撑机构、设置在等离子火焰切割器的握柄处的后支撑机构；所述前支撑机构包括套接固定在所述火焰出口上的螺母件,所述螺母件的外圆周侧面设置有外螺纹结构,可旋转地套接在所述螺母件外部的圆环底座,所述圆环底座的内圆周侧面设置有与所述外螺纹结构相配合的内螺纹结构,所述圆环底座下端固定有第一转向轮机构,旋转所述圆环底座以调节所述火焰出口距离下部待切割面的距离；解决了手工等离子切割弧焊枪体积笨重,焊接操作人员使用等离子切割枪进行长时间切割时,劳动强度非常高,且不易保持枪的高度的问题。(The invention discloses an auxiliary device for a plasma flame cutter, which comprises a front supporting mechanism arranged on a flame outlet of the plasma flame cutter and a rear supporting mechanism arranged at a grab handle of the plasma flame cutter; the front support mechanism comprises a nut piece which is fixedly sleeved on the flame outlet, the outer circumferential side surface of the nut piece is provided with an external thread structure, and a ring base which is rotatably sleeved outside the nut piece is provided with an internal thread structure matched with the external thread structure; the problem of manual plasma cutting arc welder volume heavy, when welding operation personnel used plasma cutting torch to carry out long-time cutting, intensity of labour was very high, and was difficult for keeping the height of rifle is solved.)

1. An auxiliary device for a plasma torch, characterized in that it comprises a front support mechanism arranged on the flame exit of the plasma torch (1), a rear support mechanism (2) arranged at the grip of the plasma torch (1);

preceding supporting mechanism is including cup jointing fixing nut spare (8) on the flame exit, the outer circumference side of nut spare (8) is provided with external screw thread structure, rotatably cup joints in nut spare (8) outside ring base (3), the interior circumference side of ring base (3) be provided with external screw thread structure matched with internal thread structure, ring base (3) lower extreme is fixed with first directive wheel mechanism (5), rotates ring base (3) are in order to adjust the flame exit is apart from the distance of lower part treating the cutting plane.

2. Auxiliary device according to claim 1, characterized in that the nut member (8) has a mounting ear (7) fixed to its upper end, said mounting ear (7) being welded at the flame exit of the plasma flame cutter (1).

3. Auxiliary device according to claim 1, characterized in that the circumferential side of the ring base (3) is formed with a fixing portion (6) extending outward in the radial direction thereof, the first steering wheel mechanism (5) being fixed to the fixing portion (6).

4. Auxiliary device according to claim 1, characterized in that said rear support means (2) comprise a bracket (10), said plasma torch (1) being removably arranged on said bracket (10) at the grip thereof.

5. Auxiliary device according to claim 1, characterized in that the upper end of the bracket (10) is recessed downwards to form a snap-in groove, in which a grip of the plasma flame cutter (1) is detachably snapped in.

6. Auxiliary device according to claim 5, characterized in that said engaging slot is provided with a threaded hole therethrough, in which a threaded rod (11) is twisted, said rod being able to be moved in a vertical direction by rotating it.

7. Auxiliary device according to claim 6, characterized in that the ring base (3) is fixed with a connecting rod (4) arranged along the horizontal direction, the bracket (10) is fixed with a limiting frame (12), and the connecting rod (4) is at least partially positioned in the limiting frame (12).

8. The auxiliary device according to claim 7, wherein two sides of the connecting rod (4) are in contact with the inner side wall of the limiting frame (12) to prevent the connecting rod (4) from moving left and right in the limiting frame (12), and the height of the limiting frame (12) is greater than the thickness of the connecting rod (4) to enable the connecting rod (4) to move up and down in the limiting frame (12).

9. Auxiliary device according to claim 8, characterized in that a second steering wheel mechanism (13) is also fixed to the lower end of the bracket (10).

Technical Field

The present invention relates to cutting apparatus, and in particular to an auxiliary device for a plasma torch cutter.

Background

Plasma arc cutting refers to a cutting method using a high energy density beam of a plasma arc as a cutting heat source. The plasma arc cutting has the characteristics of energy concentration, high production rate, small stress deformation, stable electric arc, suitability for cutting thin plates and box materials and the like. However, since the manual plasma cutting arc welding gun is heavy and heavy, the labor intensity is very high when the welding operator uses the plasma cutting gun to cut for a long time. In the plasma cutting process, in order to ensure the cutting quality, when a welding operator is required to hold a heavy cutting gun by hand to cut along a groove, the height of the gun is kept unchanged. The requirement of maintaining the height of the cutting gun on welding operators is high, and the labor intensity is high.

Disclosure of Invention

The invention aims to provide an auxiliary device for a plasma flame cutter, which solves the problems that a manual plasma cutting arc welding gun is heavy in size, and when a welding operator uses the plasma cutting gun to cut for a long time, the labor intensity is very high, and the height of the gun is not easy to maintain.

In order to achieve the above object, the present invention provides an auxiliary device for a plasma flame torch, the auxiliary device including a front support mechanism provided on a flame outlet of the plasma flame torch, a rear support mechanism provided at a grip of the plasma flame torch;

The front support mechanism comprises a nut piece which is fixedly sleeved on the flame outlet, an external thread structure is arranged on the outer circumferential side of the nut piece, the nut piece is rotatably sleeved on a ring base outside the nut piece, an internal thread structure matched with the external thread structure is arranged on the inner circumferential side of the ring base, a first steering wheel mechanism is fixed at the lower end of the ring base, and the ring base is rotated to adjust the distance between the flame outlet and the lower part of the flame outlet to be cut.

Preferably, a mounting lug is fixed to the upper end of the nut member, and the mounting lug is welded to a flame outlet of the plasma flame cutter.

Preferably, a fixing portion is formed on a circumferential side surface of the annular base and extends outward in a radial direction thereof, and the first steering wheel mechanism is fixed to the fixing portion.

Preferably, the rear support mechanism includes a bracket on which a grip of the plasma flame cutter is detachably disposed.

Preferably, an engagement groove is formed at the upper end of the bracket in a downward concave manner, and a handle of the plasma flame cutter is detachably engaged in the engagement groove.

Preferably, a through threaded hole is formed in the clamping groove, a threaded rod is twisted in the threaded hole, and the threaded rod can be rotated to move along the vertical direction.

Preferably, a connecting rod arranged in the horizontal direction is fixed on the circular ring base, a limiting frame is fixed on the support, and at least part of the connecting rod is located in the limiting frame.

Preferably, both sides of the connecting rod are in contact with the inner side wall of the limiting frame to prevent the connecting rod from moving left and right in the limiting frame, and the height of the limiting frame is larger than the thickness of the connecting rod, so that the connecting rod can move up and down in the limiting frame.

Preferably, a second steering wheel mechanism is further fixed to the lower end of the bracket.

According to the technical scheme, the invention provides an auxiliary device for a plasma flame cutter, which comprises a front supporting mechanism arranged on a flame outlet of the plasma flame cutter and a rear supporting mechanism arranged at a grab handle of the plasma flame cutter; the front support mechanism comprises a nut piece which is fixedly sleeved on the flame outlet, the outer circumferential side surface of the nut piece is provided with an external thread structure, and a ring base which is rotatably sleeved outside the nut piece is provided with an internal thread structure matched with the external thread structure; according to the auxiliary device provided by the invention, the universal wheel mechanism is arranged on the front supporting mechanism, so that the support can be provided for the cutting torch in the cutting process, the welding torch is prevented from being carried by a welder for a long time, and the labor intensity of the welder can be greatly reduced; moreover, the cutting torch can be always positioned at a certain height above the cutting line in the cutting process, so that a better cutting effect can be obtained; the auxiliary device is simple and convenient in installation and disassembly processes, is convenient for workers to use, and can be applied to most of cutting torches commonly used in the prior art, so that the application occasion and the application range of the auxiliary device are expanded; this auxiliary device sets up back on cutting torch, can adjust the height of cutting torch apart from the work piece, and at the actual cutting in-process, can make things convenient for the operator to adjust cutting torch to apart from the suitable high department of work piece to make this support frame can satisfy the demand of cutting different work pieces, application scope is wider.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a block diagram of an auxiliary device for a plasma torch provided in accordance with the present invention;

FIG. 2 is a structural view of a front support mechanism in the auxiliary device for a plasma torch according to the present invention;

FIG. 3 is a structural view of a rear support mechanism in the auxiliary device for a plasma torch according to the present invention;

FIG. 4 is a structural view of a ring base in the auxiliary device for a plasma torch according to the present invention.

Description of the reference numerals

1-plasma flame cutter 2-rear support mechanism

3-ring base 4-connecting rod

5-first steering wheel mechanism 6-stationary part

7-mounting ear 8-nut member

10-bracket 11-threaded rod

12-limit frame 13-second steering wheel mechanism

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

In the present invention, unless otherwise specified, an orientation word such as "horizontal direction" or the like included in a term merely represents an orientation of the term in a conventional use state or a colloquial meaning understood by those skilled in the art, and should not be construed as limiting the term.

As shown in fig. 1-4: the invention provides an auxiliary device for a plasma flame cutter, which comprises a front supporting mechanism arranged on a flame outlet of the plasma flame cutter 1, and a rear supporting mechanism 2 arranged at a grab handle of the plasma flame cutter 1; the front supporting mechanism comprises a nut piece 8 fixed on the flame outlet in a sleeved mode, an external thread structure is arranged on the outer circumferential side face of the nut piece 8 and rotatably sleeved on a ring base 3 outside the nut piece 8, an internal thread structure matched with the external thread structure is arranged on the inner circumferential side face of the ring base 3, a first steering wheel mechanism 5 is fixed at the lower end of the ring base 3, and the ring base 3 is rotated to adjust the distance between the flame outlet and the lower portion of the flame outlet to be cut. According to the auxiliary device provided by the invention, the universal wheel mechanism is arranged on the front supporting mechanism, so that the support can be provided for the cutting torch in the cutting process, the welding torch is prevented from being carried by a welder for a long time, and the labor intensity of the welder can be greatly reduced; moreover, the cutting torch can be always positioned at a certain height above the cutting line in the cutting process, so that a better cutting effect can be obtained; the auxiliary device is simple and convenient in installation and disassembly processes, is convenient for workers to use, and can be applied to most of cutting torches commonly used in the prior art, so that the application occasion and the application range of the auxiliary device are expanded; this auxiliary device sets up back on cutting torch, can adjust the height of cutting torch apart from the work piece, and at the actual cutting in-process, can make things convenient for the operator to adjust cutting torch to apart from the suitable high department of work piece to make this support frame can satisfy the demand of cutting different work pieces, application scope is wider. The external thread mechanism and the internal thread structure adopt national standard thread structures, M20 multiplied by 2-6H/5g6g-S-LH is selected as the tolerance fit of the threads, which means that the common internal thread and the external thread are matched, the basic diameter is 20mm, the thread pitch is 2mm, the thread is thin, and the code of the tolerance bands of the pitch diameter and the crest diameter of the internal thread are the same as 6H; the tolerance zone codes of the pitch diameter and the top diameter of the external thread are 5g and 6g respectively, the short screwing length is short, and the left-hand screwing is realized. The height is adjusted to 2mm for each rotation.

In a preferred embodiment of the present invention, in order to fix the nut member 8 at the flame outlet, a mounting lug 7 is fixed to the upper end of the nut member 8, and the mounting lug 7 is welded to the flame outlet of the plasma flame torch 1.

In a preferred embodiment of the present invention, in order to fix the first steering wheel mechanism 5 conveniently, there are two sets of the first steering wheel mechanism 5, and in order to increase the distance between the two sets and prevent the distance from affecting the flame outlet, the circumferential side surface of the ring base 3 is extended outward in the radial direction to form a fixing portion 6, and the first steering wheel mechanism 5 is fixed on the fixing portion 6.

In a preferred embodiment of the present invention, in order to support the grip and reduce the labor intensity of the operator, the rear support mechanism 2 includes a bracket 10, and the grip of the plasma torch 1 is detachably disposed on the bracket 10.

In a preferred embodiment of the present invention, in order to support the grip, an engagement groove is formed at the upper end of the holder 10 in a downwardly recessed manner, and the grip of the plasma torch cutter 1 is detachably engaged in the engagement groove.

In a preferred embodiment of the present invention, in order to enable the bracket to be adjusted according to the height of the front support mechanism, a threaded hole is formed in the engaging groove, a threaded rod 11 is twisted in the threaded hole, and the threaded rod is rotated to move the threaded rod in the vertical direction.

In a preferred embodiment of the present invention, in order to limit the position of the ring base 3 and prevent the ring base 3 from rotating during operation, a connecting rod 4 arranged along the horizontal direction is fixed on the ring base 3, a limiting frame 12 is fixed on the bracket 10, and the connecting rod 4 is at least partially positioned in the limiting frame 12. The two sides of the connecting rod 4 are in contact with the inner side wall of the limiting frame 12 to prevent the connecting rod 4 from moving left and right in the limiting frame 12, and the height of the limiting frame 12 is larger than the thickness of the connecting rod 4, so that the connecting rod 4 can move up and down in the limiting frame 12. The ring base 3 is first rotated to a suitable height, and then the connecting rods 4 are inserted into the limiting frames 12 when the rear support mechanism is installed.

In a preferred embodiment of the present invention, in order to facilitate the movement of the bracket 10, a second steering wheel mechanism 13 is further fixed to the lower end of the bracket 10.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.