阅读说明：本技术 一种应用于焊接工件的火焰清理装置 (Flame cleaning device applied to welding workpiece ) 是由 蔡永钦 刘颖 于 2021-10-08 设计创作，主要内容包括：本申请涉及一种应用于焊接工件的火焰清理装置,属于焊接领域,该装置在对坯料清理完之后,将火焰清理机构从夹持固定机构上取下并装载于任意一个支撑连接机构上,将支撑调节机构旋转后与支撑组件连接在一起,再将夹持固定机构中的夹持部进行旋转,此时支撑组件上可以放置工件,通过夹持固定机构能够对工件进行固定,此时该装置可以作为工件加工时的固定平台使用,解决了现有技术中坯料清理完之后,火焰清理装置便会闲置,从而得不到有效的利用的问题。(The utility model relates to a be applied to weldment's scarfing device, belong to the welding field, the device is after clearing up the blank, take off scarfing mechanism from centre gripping fixed establishment and load on arbitrary one supports coupling mechanism, will support the rotatory back of adjustment mechanism and link together with supporting component, again rotate the clamping part in the centre gripping fixed establishment, can place the work piece on the supporting component this moment, can fix the work piece through centre gripping fixed establishment, the device can regard as the work piece to add man-hour fixed platform and use this moment, after having solved blank clearance among the prior art, scarfing device just can be idle, thereby can not obtain the problem of effectual utilization.)

1. A flame cleaning device applied to a welding workpiece is characterized by comprising a base mechanism (1), the two sides of the top of the base mechanism (1) are both provided with a supporting and adjusting mechanism (2) for rotary deformation, the base mechanism (1) is used for supporting the two supporting and adjusting mechanisms (2) and adjusting the distance between the two supporting and adjusting mechanisms (2), one side of each of the two supporting and adjusting mechanisms (2) is provided with a supporting and limiting mechanism (3) and a supporting and connecting mechanism (7), a supporting component (4) is arranged between the tops of the two supporting and limiting mechanisms (3), the supporting and limiting mechanism (3) is used for bearing the supporting component (4), the supporting and connecting mechanism (7) is used for supporting a workpiece during cleaning, a clamping and fixing mechanism (5) is arranged on the supporting component (4), and a flame cleaning mechanism (6) is arranged between the clamping and fixing mechanism (5) and the supporting component (4);

the clamping and fixing mechanism (5) comprises a driving part and two clamping parts, the driving part is arranged on the supporting component (4) and is used for driving the two clamping parts to approach or depart from each other, and the two clamping parts are arranged on the driving part; the clamping part is of a rotating structure, is used for clamping and fixing the flame cleaning mechanism (6) and protecting the driving part before rotating, and is used for clamping and fixing a workpiece after rotating;

the flame cleaning mechanism (6) is used for spraying flame and cleaning the flame of a workpiece, and the flame cleaning mechanism (6) is loaded in the support connecting mechanism (7) after the support adjusting mechanism (2) rotates after being taken down from the clamping and fixing mechanism (5) and is used for realizing convenient adjustment of the angle of the support assembly (4);

the supporting and connecting mechanism (7) comprises an auxiliary part and a protection part, the auxiliary part is arranged on the supporting and adjusting mechanism (2) and used for supporting the workpiece in an auxiliary mode and bearing the supporting component (4) after the supporting and adjusting mechanism (2) rotates, and the protection part is arranged on the auxiliary part and used for being connected with the flame cleaning mechanism (6) after the supporting and adjusting mechanism (2) rotates.

2. The flame cleaning device applied to the welding workpieces as recited in claim 1, characterized in that the supporting and limiting mechanism (3) comprises a supporting part and a clamping part, the supporting part is arranged on the supporting and adjusting mechanism (2) and is used for supporting the supporting component (4), and the clamping part is arranged on the supporting part and is used for clamping and fixing the supporting component (4).

3. The scarfing device for welded workpieces according to claim 2, wherein the support adjusting mechanism (2) comprises an adjusting part, a connecting part and a limiting part, the connecting part is disposed between the adjusting part and the base mechanism (1) and is used for connecting the base mechanism (1) and the adjusting part, the adjusting part and the connecting part cooperate to form a rotating structure, the adjusting part is used for adjusting the height of the support limiting mechanism (3), and the limiting part is disposed between the adjusting part and the base mechanism (1) and is used for limiting the adjusting part before rotating and for assisting in supporting the adjusting part after rotating.

4. The scarfing device applied to the welded workpiece according to claim 3, wherein the scarfing mechanism (6) comprises an air pipe (601), the air pipe (601) is clamped between two clamping and fixing mechanisms (5), and the outer side of the air pipe (601) is fixedly communicated with a connector (603).

5. The flame cleaning device applied to the welding workpieces as defined in claim 4, wherein the clamping portion comprises a sliding block (505) and a clamping plate (506) arranged on the sliding block (505), an inserting column (512) is fixedly mounted on one side of the clamping plate (506), a second square groove (507) is formed in one side of the bottom of the clamping plate (506), a square pipe (508) is inserted and connected in the second square groove (507), and the bottom of the square pipe (508) is fixedly connected with the top of the sliding block (505).

6. A scarfing device applied to welded work pieces according to claim 5 wherein the clamping part further comprises a first internal groove (509) opened in the slide (505), a second T-bar (510) being slidably connected in the first internal groove (509).

7. The scarfing device for welded workpieces of claim 6, wherein the top end of the second T-bar (510) passes through the first inner groove (509) and the square tube (508) and is fixedly connected to the top of the inner cavity of the second square groove (507).

8. A scarfing apparatus for welding workpiece according to claim 7 wherein the clamping part further comprises a third spring (511) disposed on the outer surface of the second T-bar (510) and located in the first inner groove (509), wherein both ends of the third spring (511) are fixedly connected to the first inner groove (509) and the second T-bar (510).

9. The flame cleaning device applied to the welded workpieces as claimed in claim 8, wherein the auxiliary portion comprises a supporting and connecting roller (701), the front and back of the supporting and connecting roller (701) are both provided with third sliding grooves (709), a second inner groove (702) is formed in the supporting and connecting roller (701), a rotating shaft (703) is fixedly connected in the second inner groove (702), one end of the rotating shaft (703) passes through the supporting and connecting roller (701) and is rotatably connected with the L-shaped supporting frame (201) through a bearing, and a connecting block (704) located in the second inner groove (702) is slidably connected to the outer surface of the rotating shaft (703); the auxiliary part further comprises two connecting plates (705) which are fixedly installed on the front face and the back face of the connecting block (704) respectively, one ends of the connecting plates (705) penetrate through two third sliding grooves (709) respectively and extend to the outer portions of two sides of the supporting connecting roller (701) respectively, a fourth spring (706) is arranged on the outer surface of the rotating shaft (703), the protective part comprises a blocking disc (708) which is connected to the outer surface of the supporting connecting roller (701) in a sliding mode and fixedly connected with the two connecting plates (705), clamping grooves (710) are formed in two sides of the blocking disc (708), and a blocking block (707) for limiting the blocking disc (708) is fixedly installed at the top and the bottom of one end of the supporting connecting roller (701).

10. The flame cleaning device for the welding workpiece as claimed in claim 9, wherein the fourth spring (706) is located at one side of the connecting block (704) close to the L-shaped supporting frame (201), and two ends of the fourth spring (706) are fixedly connected with the connecting block (704) and the second inner groove (702), respectively.

Technical Field

The invention relates to a flame cleaning device applied to a welding workpiece, and belongs to the field of welding.

Background

In enterprise production, because the blank of some work pieces is improper to be stored before processing, some stains can be stained on the surface, in order to reduce the influence of the stains on the processing quality, the stains on the surface of the blank are usually cleaned by using a flame cleaning device before processing, and after the blank stained with the stains is cleaned, the flame cleaning device is idle, so that the effective utilization cannot be achieved.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: after the blank is cleaned, the scarfing device is idle, and thus cannot be effectively utilized.

(II) technical scheme

In order to achieve the above object, the present invention provides a scarfing apparatus for a welded workpiece, comprising a base mechanism, the two sides of the top of the base mechanism are respectively provided with a supporting and adjusting mechanism for rotary deformation, the base mechanism is used for supporting the two supporting and adjusting mechanisms and adjusting the distance between the two supporting and adjusting mechanisms, one side of each of the two supporting and adjusting mechanisms is provided with a supporting and limiting mechanism and a supporting and connecting mechanism, a supporting component is arranged between the tops of the two supporting and limiting mechanisms, the supporting and limiting mechanism is used for bearing the supporting component, the supporting and connecting mechanism is used for supporting the workpiece during cleaning, the supporting component is provided with a clamping and fixing mechanism, a flame cleaning mechanism is arranged between the clamping and fixing mechanism and the supporting component, the clamping and fixing mechanism is used for fixing the flame cleaning mechanism, and the flame cleaning mechanism is used for performing flame cleaning on the workpiece;

the support adjusting mechanism comprises an adjusting part, a connecting part and a limiting part, the connecting part is arranged between the adjusting part and the base mechanism and is used for connecting the base mechanism and the adjusting part, and the adjusting part and the connecting part are matched to form a rotating structure;

the clamping and fixing mechanism comprises a driving part and two clamping parts, the driving part is arranged on the supporting assembly and used for driving the two clamping parts to approach or separate from each other, and the two clamping parts are both arranged on the driving part;

the clamping part is of a rotating structure, the clamping part is used for clamping and fixing the flame cleaning mechanism and protecting the driving part before rotating, and the clamping part is used for clamping and fixing a workpiece after rotating;

the flame cleaning mechanism is used for spraying flame and cleaning the workpiece, is taken down from the clamping and fixing mechanism and is loaded in the support connecting mechanism after the support adjusting mechanism rotates, and is used for realizing convenient adjustment of the angle of the support assembly;

the flame cleaning mechanism comprises a gas pipe, the gas pipe is clamped between two clamping and fixing mechanisms, two symmetrically distributed nozzles are fixedly communicated with the inner side of the gas pipe, and a connector is fixedly communicated with the outer side of the gas pipe;

the supporting and connecting mechanism comprises an auxiliary part and a protection part, the auxiliary part is arranged on the supporting and adjusting mechanism and used for supporting the workpiece in an auxiliary mode and bearing the supporting assembly after the supporting and adjusting mechanism rotates, and the protection part is arranged on the auxiliary part and used for protecting the workpiece and is connected with the flame cleaning mechanism after the supporting and adjusting mechanism rotates;

the auxiliary part comprises a supporting and connecting roller, third sliding grooves are formed in the front side and the back side of the supporting and connecting roller, a second inner groove is formed in the supporting and connecting roller, a rotating shaft is fixedly connected in the second inner groove, one end of the rotating shaft penetrates through the supporting and connecting roller and is rotatably connected with the L-shaped supporting frame through a bearing, and a connecting block located in the second inner groove is connected to the outer surface of the rotating shaft in a sliding mode;

the auxiliary part also comprises two connecting plates which are fixedly arranged on the front surface and the back surface of the connecting block respectively, one ends of the two connecting plates penetrate through the two third sliding grooves respectively and extend to the outer parts of the two sides of the supporting and connecting roller respectively, and a fourth spring is arranged on the outer surface of the rotating shaft;

the protection portion includes sliding connection and connects the roller surface and with two connecting plate fixed connection's fender dish, the draw-in groove has all been seted up to the both sides of fender dish.

The supporting and limiting mechanism comprises a supporting part and a clamping part, the supporting part is arranged on the supporting and adjusting mechanism and used for supporting the supporting assembly, and the clamping part is arranged on the supporting part and used for clamping and fixing the supporting assembly.

The adjusting part is used for adjusting the height of the supporting and limiting mechanism, the limiting part is arranged between the adjusting part and the base mechanism and used for limiting before the adjusting part rotates and used for supporting the adjusting part in an auxiliary mode after the adjusting part rotates.

The clamping part comprises a sliding block and a clamping plate arranged on the sliding block, and an inserting column is fixedly arranged on one side of the clamping plate.

The clamping plate comprises a clamping plate body, a sliding block and a clamping plate, wherein a second square groove is formed in one side of the bottom of the clamping plate body, a square pipe is connected in the second square groove in an inserting mode, and the bottom of the square pipe is fixedly connected with the top of the sliding block.

The clamping part further comprises a first inner groove formed in the sliding block, and a second T-shaped rod is connected in the first inner groove in a sliding mode.

And the top end of the second T-shaped rod passes through the first inner groove and the square pipe and is fixedly connected with the top of the inner cavity of the second square groove.

The clamping part further comprises a third spring which is arranged on the outer surface of the second T-shaped rod and is located in the first inner groove, and two ends of the third spring are fixedly connected with the first inner groove and the second T-shaped rod respectively.

And the top and the bottom of one end of the supporting and connecting roller are fixedly provided with a stop block for limiting the stop disc.

The fourth spring is positioned on one side, close to the L-shaped support frame, of the connecting block, and two ends of the fourth spring are fixedly connected with the connecting block and the second inner groove respectively.

(III) advantageous effects

The invention provides a flame cleaning device applied to a welding workpiece, which has the beneficial effects that:

1. through the device, after the blank is cleaned, the flame cleaning mechanism is taken down from the clamping and fixing mechanism and loaded on any one of the supporting and connecting mechanisms, the supporting and adjusting mechanism is connected with the supporting component after rotating, and then the clamping part in the clamping and fixing mechanism is rotated;

2. through the arranged supporting and adjusting mechanism, when the blank is subjected to flame treatment, the limiting part in the supporting and adjusting mechanism can assist in limiting the connection between the supporting and adjusting mechanism and the base mechanism, so that the supporting and adjusting mechanism can be prevented from rotating in use, when the supporting and adjusting mechanism is used as a fixed platform, the limiting part in the supporting and adjusting mechanism can assist in supporting the supporting and adjusting mechanism, and the stability of the supporting and adjusting mechanism in use can be improved;

3. through the arranged flame cleaning mechanism, when the blank is subjected to flame treatment, flame can be sprayed out to clean the blank after the flame cleaning mechanism is connected with an external air source through a pipeline, when the flame cleaning mechanism is used as a fixed platform, the flame cleaning mechanism can be loaded in any one support connecting mechanism, and at the moment, the flame cleaning mechanism can facilitate workers to rotate the support assembly, so that the angle of the support assembly can be conveniently adjusted;

4. through the arranged clamping and fixing mechanism, when the blank is subjected to flame treatment, the clamping part in the clamping and fixing mechanism can fix the flame cleaning mechanism and can protect the driving part in the clamping and fixing mechanism, so that the situation that the driving part cannot be normally used due to the fact that molten substances generated in the cleaning process fall on the driving part and are solidified can be avoided;

5. through the arranged clamping and fixing mechanism, when the clamping and fixing mechanism is used as a fixing platform, the clamping part in the clamping and fixing mechanism rotates, so that a workpiece placed on the supporting assembly can be clamped and fixed, and the function diversity of the clamping and fixing mechanism is realized;

6. through the arranged supporting limiting mechanism, when the blank is subjected to flame treatment, the supporting part in the supporting limiting mechanism can support the supporting assembly, and the clamping part in the supporting limiting mechanism can clamp and fix the supporting assembly, so that the stability of the supporting assembly is improved;

7. through the arranged supporting and connecting mechanism, when the blank is subjected to flame treatment, the auxiliary part in the supporting and connecting mechanism can support the blank, so that the blank can conveniently pass through the flame cleaning mechanism, and the protection part and the supporting and adjusting mechanism in the supporting and connecting mechanism are matched with each other to limit the blank, so that the blank can be prevented from sliding from two sides of the auxiliary part;

8. through the arranged supporting and connecting mechanism, when the supporting and connecting mechanism is used as a fixed platform, the auxiliary part in the supporting and connecting mechanism can be used for connecting the supporting and adjusting mechanism and the supporting assembly, so that the supporting assembly is supported and can rotate, namely, the angle of the supporting assembly is adjusted, and the protection part in the supporting and connecting mechanism can be used for connecting the flame cleaning mechanism, so that the diversity of functions of the supporting and connecting mechanism is realized;

9. through the support coupling mechanism who sets up, when carrying out flame treatment to the blank, insert through inserting the post and instruct in the constant head tank and can improve the fixed stability of centre gripping fixed establishment to flame cleaning mechanism, when using as fixed platform, can instruct the angle of backup pad through instructing the constant head tank, the staff of further being convenient for adjusts the angle of backup pad to can instruct the distance between two grip blocks through inserting post and scale mark, and then convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a scarfing apparatus applied to a welded workpiece according to the present application;

FIG. 2 is a schematic structural view of the scarfing apparatus applied to a welded workpiece as a fixed platform according to the present application;

FIG. 3 is a schematic structural view of a base mechanism in the scarfing apparatus for welding workpieces according to the present application;

FIG. 4 is a schematic view of a rotary support adjusting mechanism of the scarfing apparatus for welding workpieces according to the present application;

FIG. 5 is a side view, sectional and schematic structural diagram of an L-shaped support frame in the scarfing apparatus applied to a welded workpiece provided by the present application;

FIG. 6 is a schematic top sectional view of a support plate of the scarfing apparatus applied to a welded workpiece according to the present application;

FIG. 7 is a side view of a cross-sectional structure of a sliding block in the scarfing apparatus applied to a welded workpiece according to the present application;

FIG. 8 is a schematic structural view of a scarfing mechanism in the scarfing apparatus provided herein for welding workpieces;

FIG. 9 is an enlarged view of the structure at A in FIG. 1;

FIG. 10 is an enlarged view of the structure at B in FIG. 5;

FIG. 11 is a schematic structural diagram of a support connection mechanism in the scarfing apparatus for welding workpieces according to the present application.

1. A base mechanism; 101. supporting a tube; 102. a support bar; 103. fixing the bolt; 104. a support base; 2. a support adjustment mechanism; 201. an L-shaped support frame; 202. a first chute; 203. a threaded rod; 204. a transmission block; 205. a first square groove; 206. a first block; 207. a first groove; 208. a first T-bar; 209. a first spring; 210. a limiting hole; 211. a limiting rod; 3. a supporting and limiting mechanism; 301. supporting a limit plate; 302. a first splint; 303. a second splint; 304. a second spring; 305. a second groove; 4. a support assembly; 401. a support plate; 402. a slot; 403. a limiting strip; 404. a limiting groove; 405. scale lines; 5. a clamping and fixing mechanism; 501. a second chute; 502. a side groove; 503. a bidirectional screw rod; 504. a drive member; 505. a slider; 506. a clamping plate; 507. a second square groove; 508. a square tube; 509. a first inner tank; 510. a second T-bar; 511. a third spring; 512. inserting a column; 6. a flame cleaning mechanism; 601. a gas delivery pipe; 602. a nozzle; 603. a connector; 604. an indication positioning groove; 7. a support connection mechanism; 701. supporting the connecting roller; 702. a second inner tank; 703. a rotating shaft; 704. connecting blocks; 705. a connecting plate; 706. a fourth spring; 707. a stopper; 708. a catch tray; 709. a third chute; 710. a clamping groove.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Example 1:

as shown in fig. 1, the present embodiment provides a flame cleaning device applied to a welded workpiece, which includes a base mechanism 1, wherein two sides of the top of the base mechanism 1 are both provided with a support adjusting mechanism 2, the support adjusting mechanism 2 is a rotating structure, the base mechanism 1 is used for supporting two support adjusting mechanisms 2 and adjusting the distance between the two support adjusting mechanisms 2, one side of each of the two support adjusting mechanisms 2 is provided with a support limiting mechanism 3 and a support connecting mechanism 7, a support component 4 is arranged between the tops of the two support limiting mechanisms 3, the support limiting mechanisms 3 are used for bearing the support component 4, the support connecting mechanism 7 is used for supporting the workpiece during cleaning, the support component 4 is provided with a clamping fixing mechanism 5, a flame cleaning mechanism 6 is arranged between the clamping fixing mechanism 5 and the support component 4, the clamping fixing mechanism 5 is used for fixing the flame cleaning mechanism 6, the scarfing mechanism 6 is used for scarfing the workpiece.

Example 2:

the scheme of example 1 is further described below in conjunction with specific working modes, which are described in detail below:

as shown in fig. 1, 2, 3 and 4, as a preferred embodiment, on the basis of the above manner, further, the base mechanism 1 includes a support tube 101, a support rod 102 is inserted and connected to an inner wall of the support tube 101, one end of the support rod 102 passes through the support tube 101 and extends to an outside of one side of the support tube 101, one end of the support tube 101, which is far away from the support tube 101, is fixedly connected to a support base 104, a top portion of the support tube 101 is connected to a fixing bolt 103 through a thread, a bottom end of the fixing bolt 103 passes through the support tube 101 and extends into the support tube 101 and contacts with the top portion of the support rod 102, the connection between the support tube 102 and the support tube 101 can be fixed through the fixing bolt 103, and the two support bases 104 can be moved closer to or farther away from each other by pulling the two support bases 104 after the fixing bolt 103 is screwed off.

As shown in fig. 1, 2, 3 and 4, as a preferred embodiment, on the basis of the above-mentioned manner, further, the support adjusting mechanism 2 includes an adjusting portion, a connecting portion and a limiting portion, the connecting portion is disposed between the adjusting portion and the base mechanism 1 and is used for connecting the base mechanism 1 and the adjusting portion, the adjusting portion and the connecting portion cooperate to form a rotating structure, the adjusting portion is used for adjusting the height of the support limiting mechanism 3, the limiting portion is disposed between the adjusting portion and the base mechanism 1 and is used for limiting the adjusting portion before rotating and for performing auxiliary support after rotating the adjusting portion;

as shown in fig. 5, as a preferred embodiment, in addition to the above-mentioned mode, the adjusting portion includes an L-shaped supporting frame 201 disposed at the top of the supporting base 104, a first sliding groove 202 is formed at one side of the L-shaped supporting frame 201, a threaded rod 203 is rotatably connected in the first sliding groove 202 through a bearing, a top end of the threaded rod 203 passes through the first sliding groove 202 and extends above the L-shaped supporting frame 201, a driving block 204 slidably connected along an inner wall of the first sliding groove 202 is connected to an outer surface of the threaded rod 203 through a thread, the driving block 204 is slidably connected to an inner wall of the first sliding groove 202, and the first sliding groove 202 can limit the ascending or descending of the driving block 204, so as to improve the stability of the ascending or descending of the driving block 204;

as shown in fig. 5, as a preferred embodiment, based on the above-mentioned manner, further, the connecting portion includes a first square groove 205 formed at the bottom of the L-shaped supporting frame 201, the first square groove 205 is slidably connected with a first block 206, the L-shaped supporting frame 201 can be limited by inserting the first block 206 into the first square groove 205, the L-shaped supporting frame 201 can be prevented from rotating, the bottom of the first block 206 is fixedly connected with the top of the supporting base 104, a first groove 207 is formed between the supporting base 104 and the L-shaped supporting frame 201, a first T-shaped rod 208 is slidably connected with the first groove 207, the top end of the first T-shaped rod 208 passes through the first block 206 and is fixedly connected with the top of the inner cavity of the first square groove 205, the outer surface of the first T-shaped rod 208 is provided with a first spring 209 located in the first groove 207, the stability of inserting the first block 206 into the first square groove 205 can be improved by providing the first spring 209, two ends of the first spring 209 are respectively fixedly connected with the first T-shaped rod 208 and the first groove 207;

as shown in fig. 4 and 5, as a preferred embodiment, in addition to the above manner, the limiting portion further includes a limiting hole 210 formed in the supporting base 104, a limiting rod 211 is inserted and connected in the limiting hole 210, a top end of the limiting rod 211 is fixedly connected with a bottom of the L-shaped supporting frame 201, the L-shaped supporting frame 201 can be further prevented from rotating when the limiting rod 211 is inserted into the limiting hole 210, and the limiting rod 211 is located outside the limiting hole 210 after the L-shaped supporting frame 201 is rotated, at this time, the limiting rod 211 can assist in supporting one side of the bottom of the L-shaped supporting frame 201, so that the stability of the L-shaped supporting frame 201 can be improved;

as shown in fig. 3 and fig. 5, as a preferred embodiment, in addition to the above manner, the supporting and limiting mechanism 3 further includes a supporting portion and a clamping portion, the supporting portion is disposed on the transmission block 204 and is used for supporting the supporting component 4, and the clamping portion is disposed on the supporting portion and is used for clamping and fixing the supporting component 4;

as shown in fig. 3 and 5, as a preferred embodiment, in addition to the above manner, the supporting portion is specifically a supporting limit plate 301, one side of the supporting limit plate 301 is fixedly connected to the driving block 204, and the supporting assembly 4 can be supported by the supporting limit plate 301;

as shown in fig. 3 and fig. 5, as a preferred embodiment, in addition to the above manner, the clamping portion further includes a second groove 305 opened in the supporting and limiting plate 301, a first clamping plate 302 is slidably connected in the second groove 305, one end of the first clamping plate 302 passes through the second groove 305 and extends to the outside of the supporting and limiting plate 301 on the side away from the transmission block 204, and is fixedly connected with a second clamping plate 303, one end of the first clamping plate 302 away from the second clamping plate 303 is fixedly connected with a second spring 304, one end of the second spring 304 away from the first clamping plate 302 is fixedly connected with the second groove 305, the acting force of the second spring 304 can cooperate with the L-shaped supporting frame 201 through the second clamping plate 303 and the first clamping plate 302 to clamp and fix the supporting plate 401, thereby improving the stability of the supporting plate 401 in use;

as shown in fig. 1, 6 and 9, as a preferred embodiment, on the basis of the above manner, further, the supporting component 4 is used for supporting the clamping and fixing mechanism 5 and the scarfing mechanism 6, the supporting component 4 includes a supporting plate 401, the bottom of the supporting plate 401 contacts with the supporting and limiting plate 301, slots 402 are respectively formed on both sides of the supporting plate 401, a limiting groove 404 is respectively formed on the top of an inner cavity of each slot 402 and the bottom of the inner cavity, a limiting strip 403 is fixedly mounted on the inner wall of both sides of each slot 402, the supporting and connecting mechanism 7 can be connected with the supporting plate 401 after the L-shaped supporting frame 201 rotates by setting the slots 402, the supporting and adjusting mechanism 2 can support the supporting component 4 through the supporting and connecting mechanism 7, and one side of the top of the supporting plate 401 is provided with a scale mark 405;

as shown in fig. 1 and fig. 6, as a preferred embodiment, in addition to the above manner, further, the clamping and fixing mechanism 5 includes a driving portion and two clamping portions, the driving portion is disposed on the supporting plate 401 and is used for driving the two clamping portions to approach or separate from each other, and both the two clamping portions are disposed on the driving portion;

as shown in fig. 6, as a preferred embodiment, in addition to the above-mentioned mode, the driving portion further includes a second sliding slot 501 provided on the supporting plate 401, a side slot 502 is provided on an inner wall of one side of the second sliding slot 501, a bidirectional screw rod 503 is connected between the side slot 502 and the second sliding slot 501 through a bearing in a transmission manner, a driving member 504 located in the side slot 502 is provided on the bidirectional screw rod 503, the driving member 504 is composed of two gears and a handle, the handle is rotatably connected to the supporting plate 401 through the bearing, two ends of the handle respectively extend to an outside of one side of the supporting plate 401 and the side slot 502, the two gears are respectively fixedly mounted on the handle and the bidirectional screw rod 503 and are engaged with each other, the two gears can be driven to rotate by rotating the handle, and the bidirectional screw rod 503 can be driven to rotate by the rotation of the two gears;

as shown in fig. 1 and 2, in addition to the above-mentioned embodiments, the clamping portion has a rotary structure, and is used for clamping and fixing the scarfing mechanism 6 and protecting the driving portion before the clamping portion rotates, and is used for clamping and fixing the workpiece after the clamping portion rotates;

as shown in fig. 7, as a preferred embodiment, in addition to the above-mentioned mode, the clamping portion further includes a slider 505 in threaded connection with the outer surface of the bidirectional screw 503 and a clamping plate 506 disposed on the slider 505, an insert column 512 is fixedly mounted on one side of the clamping plate 506, a second square groove 507 is formed on one side of the bottom of the clamping plate 506, a square tube 508 is inserted and connected in the second square groove 507, the bottom of the square tube 508 is fixedly connected with the top of the slider 505, and the clamping plate 506 can be limited by inserting the square tube 508 into the second square groove 507, so as to prevent the clamping plate 506 from rotating;

the clamping part also comprises a first inner groove 509 arranged in the sliding block 505, a second T-shaped rod 510 is connected in the first inner groove 509 in a sliding way, and the top end of the second T-shaped rod 510 passes through the first inner groove 509 and the square pipe 508 and is fixedly connected with the top of the inner cavity of the second square groove 507;

the clamping part also comprises a third spring 511 which is arranged on the outer surface of the second T-shaped rod 510 and is positioned in the first inner groove 509, two ends of the third spring 511 are respectively fixedly connected with the first inner groove 509 and the second T-shaped rod 510, and the stability of the square tube 508 inserted into the second square groove 507 can be improved through the third spring 511;

as shown in fig. 1, 2 and 8, as a preferred embodiment, on the basis of the above-mentioned manner, further, the scarfing mechanism 6 is used for spraying flames and scarfing workpieces, the scarfing mechanism 6 is loaded in the support connecting mechanism 7 after the support adjusting mechanism 2 rotates after being taken down by the clamping and fixing mechanism 5 for realizing convenient adjustment of the angle of the support assembly 4, the scarfing mechanism 6 includes an air pipe 601, the air pipe 601 is clamped between the clamping plates 506 in the two clamping and fixing mechanisms 5 and contacts with the top of the support plate 401, the inner side of the air pipe 601 is fixedly communicated with two nozzles 602 which are symmetrically distributed, the outer side of the air pipe 601 is fixedly communicated with a connector 603, the connector 603 is connected with an external air source through a pipeline, the front and the back of the air pipe 601 are both provided with indicating positioning slots 604, the indicating positioning slots 604 are inserted in the insertion column 512, when the device is in the shape shown in fig. 1, the stability of the fixing of the flame cleaning mechanism 6 by the clamping and fixing mechanism 5 can be improved by inserting the inserting column 512 into the indicating positioning groove 604, and when the device is in the shape shown in fig. 1, the angle of the supporting plate 401 can be indicated by the indicating positioning groove 604 when the gas pipe 601 rotates, so that the angle of the supporting plate 401 can be further conveniently adjusted by a worker, and the distance between the two clamping plates 506 can be indicated by the inserting column 512 and the scale lines 405, so that the device is convenient to use;

as shown in fig. 1 and fig. 2, as a preferred embodiment, on the basis of the above manner, further, the support connection mechanism 7 includes an auxiliary portion and a protection portion, the auxiliary portion is provided on the support adjustment mechanism 2 for auxiliary supporting of the workpiece and for carrying the support assembly 4 after the support adjustment mechanism 2 rotates, and the protection portion is provided on the auxiliary portion for protection of the workpiece and for connection with the scarfing mechanism 6 after the support adjustment mechanism 2 rotates;

as shown in fig. 1, 2, 5, 10 and 11, as a preferred embodiment, in addition to the above-mentioned manner, the auxiliary portion includes a supporting connection roller 701 disposed on a side surface of the L-shaped support frame 201, the front surface and the back surface of the supporting connection roller 701 are both provided with third sliding grooves 709, a second inner groove 702 is formed in the supporting connection roller 701, a rotating shaft 703 is fixedly connected in the second inner groove 702, one end of the rotating shaft 703 passes through the supporting connection roller 701 and is rotatably connected with the L-shaped support frame 201 through a bearing, and a connection block 704 located in the second inner groove 702 is slidably connected to an outer surface of the rotating shaft 703;

the auxiliary part further comprises two connecting plates 705 which are fixedly arranged on the front surface and the back surface of the connecting block 704 respectively, one ends of the two connecting plates 705 penetrate through the two third sliding grooves 709 respectively and extend to the outer parts of the two sides of the supporting and connecting roller 701 respectively, a fourth spring 706 which is positioned on one side of the connecting block 704 close to the L-shaped supporting frame 201 is arranged on the outer surface of the rotating shaft 703, and the two ends of the fourth spring 706 are fixedly connected with the connecting block 704 and the second inner groove 702 respectively;

as shown in fig. 1, 2, 5, 10 and 11, as a preferred embodiment, on the basis of the above manner, further, the protection portion includes a blocking disc 708 slidably connected to the outer surface of the support connection roller 701 and fixedly connected to the two connection plates 705, both sides of the blocking disc 708 are provided with a clamping groove 710, both the top and the bottom of one end of the support connection roller 701 away from the L-shaped support frame 201 are fixedly provided with a stopper 707 for limiting the blocking disc 708, and the stopper 707 can be inserted into the limiting groove 404 when the support connection roller 701 is inserted into the slot 402, so that the support plate 401 and the support connection roller 701 cannot rotate, that is, the support assembly 4 can rotate along with the support connection mechanism 7.

Example 3:

the schemes of example 1 and example 2 are further described below in conjunction with specific working examples, which are described in detail below:

specifically, when the flame cleaning device applied to the welding workpiece is in work/use, the flame cleaning device comprises the following steps:

step one, flame cleaning of blanks: a workpiece needing to be cleaned penetrates through the gas transmission pipe 601 and is arranged on the tops of the two supporting and connecting rollers 701, a gas source is opened, gas fuel is transmitted into the gas transmission pipe 601 through a pipeline and a connector 603 and is sprayed out of the two nozzles 602, the gas fuel is ignited through the conventional igniter, so that flames are sprayed out of the two nozzles 602, and blanks are cleaned through the flames sprayed out of the two nozzles 602;

step two, using as a fixed platform: the device is switched from the state shown in fig. 1 to the state shown in fig. 2, firstly, the driving piece 504 is rotated, the driving piece 504 drives the bidirectional screw rod 503 to rotate, so that the two sliding blocks 505 are far away from each other, the two sliding blocks 505 drive the two clamping plates 506 to be far away from each other, the flame cleaning mechanism 6 is taken down, and the connector 603 is separated from the pipeline;

secondly, pulling the second clamping plate 303 outwards to separate the second clamping plate 303 from the supporting plate 401, taking the supporting component 4 off the two supporting and limiting mechanisms 3, pulling the L-shaped supporting frame 201 upwards to separate the first block 206 from the first square groove 205, separating the limiting rod 211 from the limiting hole 210, then rotating the L-shaped supporting frame 201 by ninety degrees and then loosening the L-shaped supporting frame so that the first block 206 is inserted into the first square groove 205 again, the limiting rod 211 is in contact with the ground, screwing off the fixing bolt 103 and pulling the supporting base 104 outwards, inserting the two nozzles 602 into the two clamping grooves 710 on any one of the blocking discs 708, then inserting one of the supporting and connecting rollers 701 into one of the slots 402, inserting the block 707 into the limiting groove 404, inserting the limiting strip 403 into the third sliding groove 709, then inserting the other supporting and connecting roller 701 into the other slot 402 and screwing down the fixing bolt 103;

finally, the clamping plate 506 is pulled upwards to separate the square tube 508 from the second square groove 507 and is loosened after being rotated ninety degrees, so that the square tube 508 is inserted into the second square groove 507 again, the apparatus can be switched to the configuration shown in fig. 2, a blank to be processed can be placed on the top of the supporting plate 401, and is clamped and fixed by the two clamping plates 506, and at the moment, the rotary air pipe 601 can drive the supporting plate 401 to rotate, thereby adjusting the angle of the support plate 401, facilitating the use of the staff, rotating the threaded rod 203 close to the air delivery pipe 601, the threaded rod 203 drives the transmission block 204 to ascend, the transmission block 204 drives the supporting and limiting plate 301 positioned below the gas pipe 601 to ascend and make the supporting and limiting plate contact with the gas pipe 601, at the moment, the gas pipe 601 can be fixed through the supporting and limiting plate 301, thereby preventing the air pipe 601 from rotating and further fixing the supporting plate 401 after the angle is adjusted;

when the device needs to be switched from the state shown in fig. 2 to the state shown in fig. 1, the clamping plate 506 is pulled upwards and rotated ninety degrees in the opposite direction, then the fixing bolt 103 is unscrewed, the two support adjusting mechanisms 2 are pulled towards two sides, the two support connecting mechanisms 7 are separated from the support assembly 4, the flame cleaning mechanism 6 is pushed to take down the flame cleaning mechanism 6 and place the flame cleaning mechanism between the two clamping plates 506, the two clamping plates 506 are used for clamping and fixing the flame cleaning mechanism 6, the L-shaped support frame 201 is pulled upwards and rotated ninety degrees in the opposite direction, the two second clamping plates 303 are pulled, and the support plate 401 is placed between the two support limiting plates 301.

The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.