Turnover clamp with protective structure for assisting welding of barrel

Abstract

The invention discloses an overturning clamp with a protective structure for assisting in welding of a barrel, and relates to the technical field of clamp equipment. Comprising a supporting platform, the supporting platform is provided with a mounting mechanism used for assisting in welding of a barrel, and the mounting mechanism comprises the steps that the auxiliary barrel needing to be welded is placed between clamping rings, then a first electric push rod drives the clamping rings and is used for clamping and fixing the welded auxiliary barrel, operation is easy and convenient, and the welding efficiency is improved. And then a driving shaft rotates in a cavity groove through a motor to drive a driving gear to rotate, and finally, a first mounting ring rotates in a supporting ring under transmission of the driving gear and a gear block, so that an auxiliary cylinder fixed in the first mounting ring is rotated, and the auxiliary cylinder is fixed in the first mounting ring. And a part which is not welded at the bottom can be directly overturned to a welding area without manually overturning the barrel, so that the time and the labor are saved, and the welding efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of clamp equipment, in particular to a flip clamp with a protective structure for assisting cylinder welding. Background Art

[0002] In the current industrial manufacturing field, cylinder welding is a crucial process link. Welding fixtures are one of the important contents of production preparation and one of the main tasks of welding production process design. Welding fixtures refer to fixtures used to ensure the size of weldments and improve assembly accuracy and efficiency. Welding fixtures can prevent welding deformation, thereby achieving the purpose of welding workpieces quickly, conveniently and safely.

[0003] The reference patent (publication number: CN213672661U; publication date: 2021-07-13) discloses a round tube welding fixture, including a frame, and a plurality of V-grooves are respectively arranged on the symmetrical sides of the frame, and a liftable bracket is placed inside the frame, and a rectangular groove is arranged on the bottom surface of the liftable bracket, and screws are arranged on both sides of the rectangular groove, and an iron plate is arranged at one end of the screw located in the rectangular groove; the lifting bracket is used to adjust the position of the same group of round steel during welding, and the iron plate is rotated and dragged by the screw to clamp the round steel to play a fixing role; the liftable bracket can be increased in number when multiple groups of round steel need to be welded; it has the characteristics of simple structure, saving manpower and saving time.

[0004] Based on the above patent, when welding the cylinder, the cylinder is usually a cylindrical structure, and then when the welding gun welds its outer wall, it is necessary to weld the outer wall of different areas. However, the cylinder needs to be manually flipped during the welding process to complete the welding of different parts, which consumes a lot of time and manpower and increases the difficulty of operation. Before welding, there are dust and impurities on the surface of the cylinder, which will directly affect the welding quality and even cause welding defects, making it inconvenient to clean up. At the same time, the debris, sparks and harmful gases generated during the welding process pose a serious threat to the safety and health of the operator. For this reason, the present invention provides a flip clamp with a protective structure for assisting cylinder welding.

[0005] Invention content

[0006] In view of the deficiencies in the prior art, the present invention provides a flip clamp with a protective structure for assisting cylinder welding, which solves the problem that when welding the cylinder, the cylinder is usually a cylindrical structure, and then when the welding gun welds its outer wall, it is necessary to weld the outer wall of different areas. However, during the welding process, the cylinder needs to be manually flipped to complete the welding of different parts, which consumes a lot of time and manpower and increases the difficulty of operation. Before welding, there are dust and impurities on the surface of the cylinder, which will directly affect the welding quality and even cause welding defects, making it inconvenient to clean up. At the same time, the debris, sparks and harmful gases generated during the welding process pose a serious threat to the safety and health of the operator.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: A flip fixture with a protective structure for assisting cylinder welding, comprising a support platform, on which a mounting mechanism for assisting cylinder welding is provided, the mounting mechanism comprising:

[0008] A flip assembly, comprising a support platform with a cavity groove formed inside, a drive shaft disposed inside the cavity groove, first support frames fixed on both sides of the support platform, a support ring fixed on the upper end of the first support frame, a first mounting ring connected via a gear assembly disposed inside the support ring, a clamping ring connected via a drive assembly disposed on the inner wall of the first mounting ring, a V-shaped frame fixed on the inner wall of the cavity groove, a transmission shaft connected via a transmission assembly disposed inside the upper end of the V-shaped frame, and a cleaning brush connected via a disassembly assembly disposed on one end of the transmission shaft;

[0009] The protection component includes a fixing plate fixed to the side wall of the support ring, and two groups of protective shells connected by a pushing assembly are arranged on the fixing plate, one group of the protective shells is connected to a dust suction hose, and the upper end of the support platform is provided with a support component for assisting the welding of the cylinder.

[0010] Preferably, the gear assembly includes a driving gear fixedly connected to the outer wall of the driving shaft, and the outer wall of the first mounting ring is evenly fixed with tooth blocks, the tooth blocks are meshingly connected to the driving gear, and the first mounting ring is located on the inner wall of the support ring, and the first mounting ring is rotatably connected to the support ring.

[0011] Preferably, the driving assembly comprises a first electric push rod fixedly connected to the inner wall of a first mounting ring, and the clamping ring is located at the telescopic end of the first electric push rod and fixedly connected.

[0012] Preferably, the transmission assembly includes a second transmission wheel fixedly connected to the outer wall of the drive shaft, the transmission shaft is located at the upper end of the V-frame and is rotatably connected, a first transmission wheel is fixed to one end of the transmission shaft, and the first transmission wheel is connected to the second transmission wheel through a transmission belt.

[0013] Preferably, the disassembly assembly includes a first mounting plate fixedly connected to the other end of the transmission shaft, the side wall of the first mounting plate is affixed with a second mounting plate, the first mounting plate and the second mounting plate are connected by bolts, the cleaning brush is located on the side wall of the second mounting plate, and the second mounting plate is fixedly connected to the cleaning brush.

[0014] Preferably, a welding bracket is fixedly connected to the rear side wall of the support platform, a first hydraulic rod is connected through the interior of the welding bracket, a welding gun is provided at the telescopic end of the first hydraulic rod, a welding fume purifier is provided at the upper end of the welding bracket, one side of the welding fume purifier is connected to one end of a dust suction hose, and the other end of the dust suction hose is fluidly connected to a group of protective shells.

[0015] Preferably, the support assembly includes a support block fixed to the lower end surface of the support platform, the side wall of the support block is rotatably connected to a screw, both side walls of the support platform are provided with positioning grooves, the interior of the positioning grooves is slidably connected to a second support frame, a slider is fixed to the lower end of the second support frame, the slider is threadedly connected to the screw, and a second mounting ring is fixed to the upper end of the second support frame.

[0016] Preferably, side plates are fixed to both side walls of the second support frame, a second hydraulic rod is fixedly connected inside the side plates, a conveying frame is fixed to the telescopic end of the second hydraulic rod, and a support roller is rotatably connected to the inner wall of the conveying frame.

[0017] Preferably, the pushing assembly includes a cross bar fixed on the side wall of the fixed plate, the interior of the cross bar is rotatably connected with a connecting shaft, the protective shell is located on the outer wall of the connecting shaft, and the protective shell forms a rotating structure with the cross bar through the connecting shaft, and the outer wall of the protective shell is provided with a second electric push rod rotatably connected through a rotating shaft, and the bottom end of the second electric push rod is rotatably connected to the fixed plate through the rotating shaft.

[0018] Beneficial Effects

[0019] The present invention provides a flip fixture with a protective structure for assisting cylinder welding. Compared with the prior art, it has the following beneficial effects:

[0020] Firstly, the present invention places the auxiliary cylinder to be welded between the clamping rings, and then the first electric push rod drives the clamping ring to clamp and fix the welding auxiliary cylinder. The operation is simple and convenient, ensuring stability during welding. The driving shaft is then rotated inside the cavity groove through the motor to drive the driving gear to rotate. Finally, the first mounting ring is rotated inside the support ring through the driving gear and the gear block to rotate the auxiliary cylinder fixed inside the first mounting ring, so as to facilitate the direct flipping of the bottom without welding part to the welding area without manual flipping of the cylinder, thereby saving time and manpower and improving welding efficiency.

[0021] Secondly, when the transmission shaft of the present invention rotates, it drives the cleaning brush at one end of the transmission shaft to rotate. Before welding the auxiliary cylinder, the auxiliary cylinder is fixed on the first mounting ring to drive the cylinder to rotate. At the same time, the cleaning brush rotates to clean the welding part of the cylinder before welding, thereby avoiding the negative impact of dust and impurities on the surface of the cylinder on the welding quality. The automated cleaning process reduces manual intervention, making the welding process smoother. The cleaning brush is installed on the transmission shaft through the first mounting plate and the second mounting plate under bolt connection, which is convenient for replacing the cleaning brush, selecting a suitable model of the cleaning brush, and disassembling the cleaning brush for cleaning.

[0022] Thirdly, when welding is performed, the second electric push rod of the present invention is extended and retracted to push the protective shell, so that the protective shell rotates on the cross bar through the connecting shaft, so as to isolate the welding area from the external environment, and can block the debris, sparks and other splashes generated during the welding process to protect the safety of the operator. At the same time, the protective shell is located on both sides of the welding gun, and the welding fume purifier is working, and the harmful gas generated by the welding inside the protective shell is timely adsorbed and purified through the dust suction hose, which helps to improve the working environment at the welding site and reduce air pollution. The shielding of the protective shell and the purification treatment of the welding fume purifier work together to improve the overall protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the bottom structure of the support platform of the present invention;

[0025] Figure 3 It is a schematic diagram of the support roller shaft connection structure of the present invention;

[0026] Figure 4 It is a schematic diagram of the internal structure of the first mounting ring of the present invention;

[0027] Figure 5 It is a schematic diagram of the connection structure of the protective housing of the present invention;

[0028] Figure 6 It is a schematic diagram of the driving connection structure of the first mounting ring of the present invention;

[0029] Figure 7 It is a schematic diagram of the connection structure of the cleaning brush of the present invention.

[0030] In the figure: 1, support platform; 2, first support frame; 201, support ring; 202, first mounting ring; 203, first electric push rod; 204, clamping ring; 3, tooth block; 301, cavity groove; 302, drive shaft; 303, drive gear; 4, fixing plate; 401, cross bar; 402, connecting shaft; 403, protective shell; 404, second electric push rod; 5, V-shaped frame; 501, transmission shaft; 502, first transmission wheel; 503, second Transmission wheel; 6. first mounting plate; 601. second mounting plate; 602. cleaning brush; 7. welding bracket; 701. first hydraulic rod; 702. welding gun; 703. welding fume purifier; 704. suction hose; 8. support block; 801. screw rod; 802. slider; 803. positioning groove; 804. second support frame; 805. second mounting ring; 9. side plate; 901. second hydraulic rod; 902. conveying frame; 903. support roller. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figure 1-Figure 7 The present invention provides a technical solution: a flip fixture with a protective structure for assisting cylinder welding, comprising a support platform 1, on which a mounting mechanism for assisting cylinder welding is arranged, the mounting mechanism comprising:

[0033] A flip assembly includes a support platform 1 having a cavity groove 301 formed inside, a drive shaft 302 disposed inside the cavity groove 301, first support frames 2 fixed on both sides of the support platform 1, a support ring 201 fixed on the upper end of the first support frame 2, a first mounting ring 202 connected via a gear assembly disposed inside the support ring 201, a clamping ring 204 connected via a drive assembly disposed on the inner wall of the first mounting ring 202, a V-shaped frame 5 fixed on the inner wall of the cavity groove 301, a transmission shaft 501 connected via a transmission assembly disposed inside the upper end of the V-shaped frame 5, and a cleaning brush 602 connected via a disassembly assembly disposed at one end of the transmission shaft 501;

[0034] The protection assembly includes a fixing plate 4 fixed to the side wall of the support ring 201, and two groups of protection shells 403 connected by a pushing assembly are arranged on the fixing plate 4, one group of the protection shells 403 is connected to a dust suction hose 704, and a support assembly for assisting the cylinder welding is arranged at the upper end of the support platform 1.

[0035] In a preferred embodiment, the driving assembly includes a first electric push rod 203 fixedly connected to the inner wall of the first mounting ring 202, a clamping ring 204 is fixedly connected to the telescopic end of the first electric push rod 203, and the gear assembly includes a driving gear 303 fixedly connected to the outer wall of the driving shaft 302. The outer wall of the first mounting ring 202 is evenly fixed with a tooth block 3, and the tooth block 3 is meshed with the driving gear 303. The first mounting ring 202 is located on the inner wall of the support ring 201, and the first mounting ring 202 is rotatably connected to the support ring 201. The auxiliary cylinder to be welded is placed between the clamping rings 204, and then the first electric push rod 203 is fixed to the outer wall of the driving shaft 302. The clamping ring 204 is driven to clamp and fix the welding auxiliary cylinder. The operation is simple and convenient, ensuring stability during welding. The driving shaft 302 is then driven by the motor to rotate inside the cavity groove 301, driving the driving gear 303 to rotate. Finally, the first mounting ring 202 is driven by the driving gear 303 and the gear block 3 to rotate inside the support ring 201, which is used to rotate the auxiliary cylinder fixed inside the first mounting ring 202, so that the bottom part without welding can be directly flipped to the welding area without manual flipping of the cylinder, thereby saving time and manpower and improving welding efficiency.

[0036] In a preferred embodiment, the transmission assembly includes a second transmission wheel 503 fixedly connected to the outer wall of the drive shaft 302, the transmission shaft 501 is located at the upper end of the V-shaped frame 5 and is rotatably connected, a first transmission wheel 502 is fixed to one end of the transmission shaft 501, the first transmission wheel 502 and the second transmission wheel 503 are connected by a transmission belt, the second transmission wheel 503 is rotated by the drive shaft 302, and then the transmission shaft 501 is driven by the first transmission wheel 502 and the second transmission wheel 503 under the action of the transmission belt, driving the transmission shaft 501 to rotate inside the V-shaped frame 5.

[0037] In a preferred embodiment, the disassembly assembly includes a first mounting plate 6 fixedly connected to the other end of the transmission shaft 501, the side wall of the first mounting plate 6 is fitted with a second mounting plate 601, the first mounting plate 6 and the second mounting plate 601 are connected by bolts, the cleaning brush 602 is located on the side wall of the second mounting plate 601, and the second mounting plate 601 is fixedly connected to the cleaning brush 602. When the transmission shaft 501 rotates, the cleaning brush 602 at one end of the transmission shaft 501 is driven to rotate. Before welding the auxiliary cylinder, the auxiliary cylinder is fixed on the first mounting ring 202. , driving the cylinder to rotate, and at the same time the cleaning brush 602 rotates to clean the welding part of the cylinder, and then welding is carried out to avoid the dust and impurities on the surface of the cylinder having a negative impact on the welding quality, and the automated cleaning process reduces manual intervention, making the welding process smoother, and the cleaning brush 602 is installed with the drive shaft 501 through the first mounting plate 6 and the second mounting plate 601 under bolt connection, which is convenient for replacing the cleaning brush 602, selecting a suitable model of the cleaning brush 602, and facilitating the disassembly of the cleaning brush 602 for cleaning.

[0038] In a preferred embodiment, the pushing assembly includes a cross bar 401 fixed on the side wall of the fixed plate 4, and the internal rotation of the cross bar 401 is connected to the connecting shaft 402, the protective shell 403 is located on the outer wall of the connecting shaft 402, and the protective shell 403 forms a rotating structure with the cross bar 401 through the connecting shaft 402, and the outer wall of the protective shell 403 is provided with a second electric push rod 404 rotatably connected through a rotating shaft, and the bottom end of the second electric push rod 404 is rotatably connected to the fixed plate 4 through the rotating shaft. When welding, the second electric push rod 404 is retracted and used to push the protective shell 403, so that the protective shell 403 rotates on the cross bar 401 through the connecting shaft 402, which is used to isolate the welding area from the external environment, and can block debris, sparks and other splashes generated during the welding process to protect the safety of the operator.

[0039] In a preferred embodiment, a welding bracket 7 is fixedly connected to the rear side wall of the support platform 1, a first hydraulic rod 701 is connected to the inside of the welding bracket 7, a welding gun 702 is provided at the telescopic end of the first hydraulic rod 701, a welding fume purifier 703 is provided at the upper end of the welding bracket 7, one side of the welding fume purifier 703 is connected to one end of a dust suction hose 704, and the other end of the dust suction hose 704 is connected to a group of protective shells 403. When welding, the welding gun 702 is raised and lowered by the first hydraulic rod 701, and the welding gun 702 near the cylinder is lifted and lowered. The protective shell 403 is located on both sides of the welding gun 702, and the welding fume purifier 703 is working. The harmful gases generated by the welding inside the protective shell 403 are timely adsorbed and purified through the suction hose 704, which is helpful to improve the working environment at the welding site and reduce air pollution. The shielding of the protective shell 403 and the purification treatment of the welding fume purifier 703 work together to improve the overall protection effect. The model of the welding fume purifier 703 is LB-JZ series, which belongs to the existing technology and will not be elaborated in detail.

[0040] In a preferred embodiment, the support assembly includes a support block 8 fixed to the lower end surface of the support platform 1, and the side wall of the support block 8 is rotatably connected to a screw 801, and positioning grooves 803 are provided on both side walls of the support platform 1, and the interior of the positioning grooves 803 is slidably connected to a second support frame 804, and a slider 802 is fixed to the lower end of the second support frame 804, and the slider 802 is threadedly connected to the screw 801, and a second mounting ring 805 is fixed to the upper end of the second support frame 804, and the set screw 801 is driven by a motor, and the second support frame 804 slides along the positioning grooves 803 on both sides of the support platform 1 through the threaded connection between the slider 802 and the screw 801, and the spacing between the second mounting ring 805 and the first mounting ring 202 is controlled to be adjusted, so that it can be adjusted and used according to the length of the cylinder, thereby improving the flexibility and versatility of the equipment.

[0041] In a preferred embodiment, side plates 9 are fixed to both side walls of the second support frame 804, and a second hydraulic rod 901 is fixedly connected to the inside of the side plates 9. A conveying frame 902 is fixed to the telescopic end of the second hydraulic rod 901, and a support roller 903 is rotatably connected to the inner wall of the conveying frame 902. When installing the cylinder, the support roller 903 on the conveying frame 902 is used to support and slide, which facilitates the pushing of the cylinder, making the installation and positioning of the cylinder easier, and the conveying frame 902 is telescopic by the second hydraulic rod 901 and adjusted for use according to the size of the cylinder.

[0042] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0043] When working, the screw rod 801 is driven by a motor, and the second support frame 804 slides along the positioning grooves 803 on both sides of the support platform 1 through the threaded connection between the slider 802 and the screw rod 801, and the spacing between the second mounting ring 805 and the first mounting ring 202 is controlled to be adjusted, so as to be adjusted according to the length of the cylinder, and then supported and slid by the support roller shaft 903 on the conveying frame 902, so as to facilitate the pushing of the cylinder, making the installation and positioning of the cylinder easier;

[0044] The auxiliary cylinder to be welded is placed between the clamping rings 204, and then the first electric push rod 203 drives the clamping ring 204 to clamp and fix the welding auxiliary cylinder. The operation is simple and convenient, ensuring the stability during welding. Then the driving shaft 302 is rotated inside the cavity groove 301 through the motor, driving the driving gear 303 to rotate, and finally the first mounting ring 202 is driven by the driving gear 303 and the gear block 3 to rotate inside the support ring 201, which is used to rotate the auxiliary cylinder fixed inside the first mounting ring 202, so as to directly flip the bottom without welding part to the welding area, and then the second electric push rod 203 is used to rotate the auxiliary cylinder fixed inside the first mounting ring 202. The push rod 404 is retracted and used to push the protective shell 403, so that the protective shell 403 rotates on the cross bar 401 through the connecting shaft 402, so as to isolate the welding area from the external environment. At the same time, the protective shell 403 is located on both sides of the welding gun 702, and the welding fume purifier 703 is working. The harmful gas generated by the welding inside the protective shell 403 is timely adsorbed and purified through the dust suction hose 704, which helps to improve the working environment at the welding site and reduce air pollution. The shielding of the protective shell 403 and the purification treatment of the welding fume purifier 703 work together to improve the overall protection effect.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A turning fixture with a protective structure for assisting cylinder welding, comprising a supporting platform (1), characterized in that: The support platform (1) is provided with a mounting mechanism for assisting the welding of the cylinder body, and the mounting mechanism comprises: A flip assembly, comprising a support platform (1) having a cavity groove (301) formed inside, a drive shaft (302) being arranged inside the cavity groove (301), first support frames (2) being fixed on both sides of the support platform (1), a support ring (201) being fixed on the upper end of the first support frame (2), a first mounting ring (202) being arranged inside the support ring (201) and connected via a gear assembly, a clamping ring (204) being arranged on the inner wall of the first mounting ring (202) and connected via a drive assembly, a V-shaped frame (5) being fixed on the inner wall of the cavity groove (301), a transmission shaft (501) being arranged inside the upper end of the V-shaped frame (5) and connected via a transmission assembly, and a cleaning brush (602) being arranged on one end of the transmission shaft (501) and connected via a disassembly assembly; The protective assembly comprises a fixing plate (4) fixed to the side wall of the support ring (201), the fixing plate (4) being provided with two groups of protective shells (403) connected via a pushing assembly, one group of the protective shells (403) being connected with a dust suction hose (704), and the upper end of the support platform (1) being provided with a supporting assembly for assisting the welding of the cylinder.

2. The turning fixture with a protective structure for auxiliary cylinder welding according to claim 1 is characterized in that: The gear assembly comprises a driving gear (303) fixedly connected to the outer wall of the driving shaft (302); a tooth block (3) is evenly fixed to the outer wall of the first mounting ring (202); the tooth block (3) is meshingly connected to the driving gear (303); the first mounting ring (202) is located on the inner wall of the supporting ring (201); and the first mounting ring (202) is rotatably connected to the supporting ring (201).

3. The turning fixture with a protective structure for auxiliary cylinder welding according to claim 1 is characterized in that: The driving assembly comprises a first electric push rod (203) fixedly connected to the inner wall of a first mounting ring (202), and the clamping ring (204) is located at and fixedly connected to the telescopic end of the first electric push rod (203).

4. The turning fixture with a protective structure for auxiliary cylinder welding according to claim 1 is characterized in that: The transmission assembly comprises a second transmission wheel (503) fixedly connected to the outer wall of the driving shaft (302); the transmission shaft (501) is located at the upper end of the V-shaped frame (5) and is rotatably connected; a first transmission wheel (502) is fixed to one end of the transmission shaft (501); and the first transmission wheel (502) and the second transmission wheel (503) are connected via a transmission belt.

5. The turning fixture with a protective structure for auxiliary cylinder welding according to claim 1 is characterized in that: The disassembly assembly comprises a first mounting plate (6) fixedly connected to the other end of the transmission shaft (501), a second mounting plate (601) being attached to the side wall of the first mounting plate (6), the first mounting plate (6) and the second mounting plate (601) being connected by bolts, the cleaning brush (602) being located on the side wall of the second mounting plate (601), and the second mounting plate (601) and the cleaning brush (602) being fixedly connected.

6. The turning fixture with a protective structure for auxiliary cylinder welding according to claim 1 is characterized in that: The rear side wall of the support platform (1) is fixedly connected to a welding bracket (7), the interior of the welding bracket (7) is penetrated by a first hydraulic rod (701), a welding gun (702) is provided at the telescopic end of the first hydraulic rod (701), a welding fume purifier (703) is provided at the upper end of the welding bracket (7), one side of the welding fume purifier (703) is connected to one end of a dust suction hose (704), and the other end of the dust suction hose (704) is fluidly connected to a set of protective shells (403).

7. The turning fixture with a protective structure for auxiliary cylinder welding according to claim 1 is characterized in that: The support assembly comprises a support block (8) fixed to the lower end surface of the support platform (1); the side wall of the support block (8) is rotatably connected to a screw rod (801); the two side walls of the support platform (1) are provided with positioning grooves (803); the interior of the positioning grooves (803) is slidably connected to a second support frame (804); a slider (802) is fixed to the lower end of the second support frame (804); the slider (802) is threadedly connected to the screw rod (801); and a second mounting ring (805) is fixed to the upper end of the second support frame (804).

8. The turning fixture with a protective structure for auxiliary cylinder welding according to claim 7 is characterized in that: Side plates (9) are fixed to both side walls of the second support frame (804), a second hydraulic rod (901) is fixedly connected inside the side plates (9), a conveying frame (902) is fixed to the telescopic end of the second hydraulic rod (901), and a supporting roller shaft (903) is rotatably connected to the inner wall of the conveying frame (902).

9. The turning fixture with a protective structure for auxiliary cylinder welding according to claim 1 is characterized in that: The push assembly comprises a cross bar (401) fixed on the side wall of the fixed plate (4); the cross bar (401) is rotatably connected to a connecting shaft (402) inside; the protective shell (403) is located on the outer wall of the connecting shaft (402); the protective shell (403) and the cross bar (401) form a rotating structure through the connecting shaft (402); the outer wall of the protective shell (403) is provided with a second electric push rod (404) rotatably connected through a rotating shaft; the bottom end of the second electric push rod (404) is rotatably connected to the fixed plate (4) through the rotating shaft.

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