A welding processing device for hydraulic cylinder of shearing machine

Abstract

The present invention provides a welding processing device for a hydraulic cylinder of a shearing machine, which relates to the technical field of cylinder welding, including a welding mounting part, on which a driving device is fixedly installed; a rotating mounting part is slidably installed on the driving device; a propulsion positioning part is fixedly installed inside the rotating mounting part; a cylinder barrel tightening part is fixedly installed on the welding mounting part; a positioning pressing part is rotatably installed on the welding mounting part, and the parts can realize auxiliary adaptation work for the inner diameter of the cylinder barrel, which can effectively prevent the cylinder barrel from being deformed during welding, and can ensure that the influence of welding on the cylinder barrel is minimized, and at the same time, axial sliding work can be realized, which can effectively prevent the rotating mounting part from adhering to the cylinder barrel due to welding, and prevent the cylinder barrel from being unable to be removed from the structure later; the problem that the current hydraulic oil cylinder welding mostly adopts manual welding of oil ports is solved.

Description

Technical Field

[0001] The invention relates to the technical field of oil cylinder welding, in particular to a welding processing device for a hydraulic oil cylinder of a shearing machine. Background Art

[0002] A shearing machine is a machine that uses one blade to make reciprocating linear motion relative to another blade to shear plates. An important driving component in the shearing machine is the hydraulic cylinder, which plays an important driving role. In the production and manufacturing of the hydraulic cylinder, the oil port of the hydraulic cylinder needs to be welded to the insulated outer wall of the hydraulic cylinder, and the sealing of the hydraulic cylinder needs to be ensured. Once a leak occurs, it will cause economic losses. Currently, hydraulic cylinder welding mostly uses manual welding of oil ports. Currently, hydraulic cylinder welding work is not convenient for auxiliary welding positioning of the cylinder body. The cylinder body welding is prone to deformation, especially the thinner cylinder barrel. When welding the cylinder, it is not convenient to weld the inner side of the oil port to the cylinder barrel, and it is not convenient to achieve anti-sticking rotation. The defective rate of the welded inner side of the cylinder is high, and the positioning of the oil port is not flexible and accurate enough. Summary of the invention

[0003] The disclosed embodiment relates to a welding processing device for a hydraulic cylinder of a shearing machine, wherein a rotating mounting part thereof can realize auxiliary adaptation work for the inner diameter of the cylinder barrel, thereby effectively preventing the cylinder barrel from being deformed during welding, thereby ensuring that the influence of welding on the cylinder barrel is minimized, and simultaneously realizing axial sliding work, thereby effectively preventing the rotating mounting part from adhering to the cylinder barrel due to welding, thereby preventing the cylinder barrel from being unable to be removed from the structure later.

[0004] , The camming mechanism is a kind of by-product, and its top is provided with a plurality of camming members, and its bottom is provided with a plurality of camming members, and its top is provided with a plurality of camming members.

[0005] In at least some embodiments, the driving device includes: a driving motor, a driving mounting column and a connecting tension spring, wherein the driving motor is fixedly mounted on a fixed mounting disk; the output shaft of the driving motor passes through the fixed mounting disk; the driving mounting column is welded to the output shaft of the driving motor; and the connecting tension spring is fixedly mounted on the driving mounting column.

[0006] In at least some embodiments, the positioning pressing member includes: a positioning pressing rod, a limit correction plate and a reset spring. The positioning pressing rods are provided with two, and a limit correction plate is welded to the two positioning pressing rods respectively; the bottom of the limit correction plate is an inclined structure; a reset spring is welded to the two positioning pressing rods respectively; the two positioning pressing rods are rotatably installed on the fixed mounting plates respectively; the other ends of the two reset springs are respectively welded to the fixed mounting plates.

[0007] In at least some embodiments, the welding mounting part further includes: a supporting mounting ring, which is fixedly mounted on two sliding mounting shafts; and a rubber pad is provided inside the supporting mounting ring.

[0008] In at least some embodiments, the propulsion positioning member includes: a propulsion positioning electric push rod and a propulsion positioning shaft, the propulsion positioning electric push rod having a propulsion positioning shaft threadedly mounted thereon; the propulsion positioning electric push rod is fixedly mounted inside the rotating mounting shaft; the propulsion positioning shaft is slidably mounted on the rotating mounting shaft; and the propulsion positioning shaft passes through an adapter auxiliary cylinder.

[0009] In at least some embodiments, the cylinder tightening part includes: a cylinder tightening mounting tube, a fitting extrusion ring and an extrusion auxiliary ring, the cylinder tightening mounting tube is installed with a fitting extrusion ring, and the inner side of the fitting extrusion ring is a sloped structure; the extrusion auxiliary ring is threadedly connected to the cylinder tightening mounting tube; the inner side of the extrusion auxiliary ring is a sloped structure; the extrusion auxiliary ring is attached to the fitting extrusion ring; the fitting extrusion ring is a soft rubber structure.

[0010] In at least some embodiments, the rotating mounting part includes: a rotating mounting shaft, a fitting ball groove and an adapting auxiliary cylinder, the rotating mounting shaft is slidably mounted on the driving mounting column; the interior of the rotating mounting shaft is connected to the other end of the connecting tension spring; three fitting ball grooves are opened on the rotating mounting shaft, and the three fitting ball grooves are respectively attached to the raised auxiliary hemispheres; the adapting auxiliary cylinder is threadedly connected to the rotating mounting shaft; the exterior of the adapting auxiliary cylinder is provided with a rubber coating; and the adapting auxiliary cylinder is provided with a through hole.

[0011] In at least some embodiments, the positioning guide member includes: a positioning guide mounting shell and a guide mounting groove, the positioning guide mounting shell is provided with a circle of guide mounting grooves; the positioning guide mounting shell is fixedly mounted on a connecting auxiliary ring; the positioning guide mounting shell is a rectangular structure.

[0012] In at least some embodiments, the positioning pressing member further includes: a connecting auxiliary ring, which is fixedly mounted on two limit correction plates; the bottom of the connecting auxiliary ring is a flat structure; and the top of the connecting auxiliary ring is an arc-shaped structure.

[0013] In at least some embodiments, the welding device includes: a welding mounting shaft, a welding sliding frame and a welding gun body, wherein two welding mounting shafts are provided, and the two welding mounting shafts are respectively welded to two welding mounting rods; welding sliding frames are respectively slidably mounted on the two welding mounting shafts; a welding gun body is slidably mounted on the welding sliding frame on the front side; and the head of the welding gun body passes through the guide mounting groove on the same side.

[0014] The present invention provides a welding processing device for a hydraulic cylinder of a shearing machine, which has the following beneficial effects:

[0015] The present invention adopts a rotating mounting part to assist in efficient auxiliary inner diameter support work, to achieve positioning support work inside the pipe fitting, to ensure structural rationality, to assist in preventing the cylinder from deforming due to excessive temperature during actual welding work, and at the same time to cooperate with the rotating mounting part to assist in sliding work, to assist in welding the inside of the oil port and the cylinder, to avoid splashing during welding that damages the inside of the cylinder and adheres to the adapter auxiliary tube, to assist in cleaning using the opening on the cylinder during axial movement, and to avoid welding between the adapter auxiliary tube and the cylinder tube due to improper working operation.

[0016] In addition, the use of the cylinder tightening parts can achieve a more comprehensive and stable extrusion of the cylinder using the inclined structure, ensure uniform force, avoid deformation of the cylinder due to clamping, and avoid lower welding accuracy during oil port welding. The oil port is plug-in connected, and the through hole of the oil port is perpendicular to the thrust positioning shaft, thereby ensuring the accuracy and quality of the weld of the welded oil port.

[0017] In addition, by adopting the set positioning guide and cooperating with the positioning pressing piece, it is possible to assist in the precise positioning of the oil port, realize the oil port positioning work in multiple directions, ensure that the arc shape of the bottom of the oil port matches the outer diameter of the oil cylinder, and facilitate welding work on the inside of the oil port, effectively improve the rationality of the structure, and assist in pressing work to avoid excessive welds. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0019] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0020] In the attached picture:

[0021] Figure 1 A schematic diagram showing the overall structure of the processing device of the present application;

[0022] Figure 2 A cross-sectional view showing the internal structure of the processing device of the present application;

[0023] Figure 3 A schematic diagram showing the bottom structure of the processing device of the present application;

[0024] Figure 4 A cross-sectional view showing a local structure of a processing device of the present application;

[0025] Figure 5 A schematic diagram showing the structure of the welding mounting member of the present application is shown;

[0026] Figure 6 A schematic diagram showing the structure of the driving device of the present application is shown;

[0027] Figure 7 A schematic diagram showing the structure of the rotating mounting member of the present application is shown;

[0028] Figure 8 A schematic diagram showing the structure of the propulsion positioning member of the present application is shown;

[0029] Fig. 9 A schematic diagram showing the positioning and pressing member structure of the present application is shown;

[0030] Reference numerals list

[0031] 1. Welding mounting parts; 101. Welding mounting rod; 102. Fixed mounting plate; 103. Raised auxiliary hemisphere; 104. Positioning bolt; 105. Sliding mounting shaft; 106. Support mounting ring;

[0032] 2. Driving device; 201. Driving motor; 202. Driving mounting column; 203. Connecting tension spring;

[0033] 3. Rotating mounting member; 301. Rotating mounting shaft; 3011. Fitting ball groove; 302. Adapting auxiliary cylinder;

[0034] 4. Pushing positioning member; 401. Pushing positioning electric push rod; 402. Pushing positioning shaft;

[0035] 5. Cylinder tightening member; 501. Cylinder tightening installation tube; 502. Fitting extrusion ring; 503. Extrusion auxiliary ring;

[0036] 6. Positioning pressing member; 601. Positioning pressing rod; 6011. Limiting correction plate; 602. Reset tension spring; 603. Connection auxiliary ring;

[0037] 7. Positioning guide member; 701. Positioning guide mounting shell; 7011. Guide mounting slot;

[0038] 8. Welding device; 801. Welding mounting shaft; 802. Welding sliding frame; 803. Welding gun body. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment 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.

[0040] Example 1: Please refer to Figures 1 to 9 :

[0041] The present invention proposes a welding processing device for a hydraulic cylinder of a shearing machine, comprising a welding mounting part 1, on which a driving device 2 is fixedly mounted; a rotating mounting part 3 is slidably mounted on the driving device 2; a propulsion positioning part 4 is fixedly mounted inside the rotating mounting part 3; a cylinder tightening part 5 is fixedly mounted on the welding mounting part 1; a positioning pressing part 6 is rotatably mounted on the welding mounting part 1, and a positioning guide part 7 is fixedly mounted at the bottom of the positioning pressing part 6; a welding device 8 is installed on the welding mounting part 1; the welding mounting part 1 also includes: a welding mounting rod 101, a fixed mounting plate 102, a convex There are two welding mounting rods 101, including auxiliary hemispheres 103, positioning bolts 104 and sliding mounting shafts 105. Fixed mounting plates 102 are welded on the two welding mounting rods 101. Three raised auxiliary hemispheres 103 are fixedly mounted on the fixed mounting plates 102. There are two positioning bolts 104, which are respectively threadedly connected to the welding mounting rods 101. There are two sliding mounting shafts 105, which are respectively slidably mounted on the two welding mounting rods 101. The two positioning bolts 104 are respectively pressed against the sliding mounting shafts 105.

[0042] In the embodiment of the present disclosure, the welding mounting member 1 also includes: a support mounting ring 106, which is fixedly mounted on the two sliding mounting shafts 105; a rubber pad is provided inside the support mounting ring 106; the driving device 2 includes: a driving motor 201, a driving mounting column 202 and a connecting tension spring 203, the driving motor 201 is fixedly mounted on the fixed mounting disk 102; the output shaft of the driving motor 201 passes through the fixed mounting disk 102; the driving mounting column 202 is welded on the output shaft of the driving motor 201; the connecting tension spring 203 is fixedly mounted on the driving mounting column 202; the rotating mounting member 3 includes: a rotating mounting member The rotating mounting shaft 301, the fitting ball groove 3011 and the adapting auxiliary cylinder 302, the rotating mounting shaft 301 is slidably mounted on the driving mounting column 202; the interior of the rotating mounting shaft 301 is connected to the other end of the connecting tension spring 203; three fitting ball grooves 3011 are opened on the rotating mounting shaft 301, and the three fitting ball grooves 3011 are respectively attached to the raised auxiliary hemisphere 103; the adapting auxiliary cylinder 302 is threadedly connected to the rotating mounting shaft 301; the exterior of the adapting auxiliary cylinder 302 is provided with a rubber coating; the adapting auxiliary cylinder 302 is provided with a through hole; by adopting the rotating mounting member 3, efficient auxiliary inner diameter support can be achieved. The supporting work can realize the positioning and supporting work inside the pipe fitting, which can ensure the rationality of the structure, can realize the auxiliary prevention of the deformation of the cylinder caused by the over-high temperature in the actual welding work, can avoid the splashing damage to the inside of the cylinder and the adhesion to the auxiliary adapter tube 302 during welding, can realize the auxiliary cleaning by using the opening on the cylinder during the axial movement, and the structure is more reasonable. At the same time, the axial movement of the rotating installation shaft 301 in this structure is that the axial movement can realize the auxiliary rotation forward and backward sliding, and the rotating installation shaft 301 has a wider range of movement, which can ensure that the adhesion is scraped off in time, and the structure is more reasonable. The structure is more reasonable. The present structure can realize auxiliary adaptation work for the inner diameter of the cylinder barrel, can effectively prevent the cylinder barrel from being deformed during welding, can ensure that the influence of welding on the cylinder barrel is minimized, and can realize axial sliding work at the same time, can effectively prevent the rotating mounting part from adhering to the cylinder barrel due to welding, and the three raised auxiliary hemispheres 103 are squeezed and fitted into the ball groove 3011, so as to drive the rotating mounting shaft 301 to move axially and rotate forward and backward, and even if there are impurities on the adaptation auxiliary cylinder 302, it can still be used to move, and the welding material and welding slag adhering to the surface can be scraped off by using the oil port opening on the oil cylinder barrel, so as to facilitate unified removal.

[0043] In the embodiment of the present disclosure, the propulsion positioning member 4 includes: a propulsion positioning electric push rod 401 and a propulsion positioning shaft 402, the propulsion positioning electric push rod 401 is threadedly installed with the propulsion positioning shaft 402; the propulsion positioning electric push rod 401 is fixedly installed inside the rotating installation shaft 301; the propulsion positioning shaft 402 is slidably installed on the rotating installation shaft 301; the propulsion positioning shaft 402 passes through the adapter auxiliary cylinder 302; the cylinder tightening member 5 includes: a cylinder tightening installation cylinder 501, a fitting extrusion ring 502 and an extrusion auxiliary ring 503, the cylinder tightening installation cylinder 501 is installed with a fitting extrusion ring 502, and the inner side of the fitting extrusion ring 502 is a slope structure; the extrusion auxiliary ring 503 The threaded connection is on the cylinder tightening mounting tube 501; the inner side of the extrusion auxiliary ring 503 is a slope structure; the extrusion auxiliary ring 503 is attached to the fitting extrusion ring 502; the fitting extrusion ring 502 is a rubber soft structure, and by adopting the provided cylinder tightening member 5, it is possible to realize a more comprehensive and stable extrusion cylinder by utilizing the slope structure, and avoid deformation of the cylinder due to clamping, and adopt the pushing positioning member 4 to realize auxiliary pushing and positioning of the oil port, and ensure the installation accuracy of the oil port, and the structure is more reasonable, and it can avoid the welding accuracy when the oil port is welded, and at the same time, the oil port plug-in method is adopted to ensure the weld accuracy of the welding oil port, and the oil port is plugged on the positioning shaft 402, and then the welding work can be carried out.

[0044] Embodiment 2, on the basis of embodiment 1, the positioning pressing member 6 comprises: a positioning pressing rod 601, a limit correction plate 6011 and a reset tension spring 602, two positioning pressing rods 601 are provided, and the limit correction plates 6011 are respectively welded on the two positioning pressing rods 601; the bottom of the limit correction plate 6011 is an inclined structure; the two positioning pressing rods 601 are respectively welded with reset tension springs 602; the two positioning pressing rods 601 are respectively rotatably mounted on the fixed mounting plate 102; the other ends of the two reset tension springs 602 are respectively welded on the fixed mounting plate 102; the positioning pressing member 6 also comprises: a connecting auxiliary ring 603 , the connecting auxiliary ring 603 is fixedly installed on the two limit correction plates 6011; the bottom of the connecting auxiliary ring 603 is a flat structure; the top of the connecting auxiliary ring 603 is an arc structure; the positioning guide 7 includes: a positioning guide installation shell 701 and a guide installation groove 7011, and a circle of guide installation grooves 7011 are provided on the positioning guide installation shell 701; the positioning guide installation shell 701 is fixedly installed on the connecting auxiliary ring 603; the positioning guide installation shell 701 is a rectangular structure; the welding device 8 includes: a welding installation shaft 801, a welding sliding frame 802 and a welding gun body 803, and the welding installation shaft 801 is provided with two, two The two welding mounting shafts 801 are welded to the two welding mounting rods 101 respectively; the two welding mounting shafts 801 are slidably mounted with welding slide frames 802 respectively; the welding slide frame 802 on the front side is slidably mounted with a welding gun body 803; the head of the welding gun body 803 passes through the guide mounting groove 7011 on the same side, and by adopting the provided positioning guide 7 and cooperating with the positioning pressing member 6, it is possible to assist in the accurate positioning of the welding gun, ensure the welding matching degree, and facilitate the welding work on the inner side of the oil port, effectively improve the rationality of the structure, and at the same time, assist in the pressing work. The welding device 8 can ensure the welding efficiency. The oil port is attached to the outside of the oil cylinder. Under the pull of the reset spring 602, the positioning pressing rod 601 is pressed down, and the two limit correction plates 6011 will limit on both sides of the oil port. The connecting auxiliary ring 603 will press the oil port. At the same time, the arc structure on the top of the connecting auxiliary ring 603 also makes it convenient to place the welding gun against the connecting auxiliary ring 603 to weld the inner side of the oil port and the cylinder barrel for further reinforcement. The guiding installation groove 7011 on the positioning guide installation shell 701 can assist in guiding work to ensure that the welding path is straight and the overall structure is simpler and more reasonable.

[0045] The working principle of this embodiment: First, by inserting the cylinder into the adapter auxiliary cylinder 302, the extrusion ring 502 can be squeezed and fitted by rotating the extrusion auxiliary ring 503. At this time, the fitting extrusion ring 502 shrinks inward to realize the extrusion positioning of the cylinder. When the driving installation column 202 driven by the driving motor 201 rotates, the rotating installation shaft 301 will be driven to rotate. At this time, under the extrusion of the three raised auxiliary hemispheres 103, the ball groove 3011 is squeezed and fitted, driving the rotating installation shaft 301 to move and rotate axially forward and backward. Even if there are impurities on the adapter auxiliary cylinder 302, it can still be moved. The welding material and welding slag adhering to the surface can be scraped off using the oil port opening on the oil cylinder barrel for unified removal. The support mounting ring 106 can be used to achieve telescopic sliding Adaptation work, after adjusting the sliding installation shaft 105 set by sliding, tighten the positioning bolt 104 for positioning, by adopting the positioning electric push rod 401 to drive the positioning shaft 402 to move up, the oil port on the positioning shaft 402 is plugged into, and then welding work can be carried out, the guide installation groove 7011 on the positioning guide installation shell 701 can be used to assist in guiding work to ensure that the welding path is straight, the sliding welding slide frame 802 can realize the moving work, and the welding work can be quickly carried out through the welding gun body 803, and the welding gun body 803 can be held by hand and switched to the opposite welding slide frame 802 for welding work, and the welding device 8 can be used to perform fast and high-precision welding on both sides of the oil port, and the other two sides of the oil cylinder oil port can be quickly welded manually.

[0046] In this article, there are a few points to note:

[0047] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0048] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0049] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A welding processing device for a hydraulic cylinder of a shearing machine, comprising a welding mounting part (1), on which a driving device (2) is fixedly mounted; characterized in that: The driving device (2) is slidably mounted with a rotating mounting member (3); a pushing positioning member (4) is fixedly mounted inside the rotating mounting member (3); a cylinder tightening member (5) is fixedly mounted on the welding mounting member (1); a positioning pressing member (6) is rotatably mounted on the welding mounting member (1), and a positioning guide member (7) is fixedly mounted at the bottom of the positioning pressing member (6); a welding device (8) is mounted on the welding mounting member (1); the welding mounting member (1) further comprises: a welding mounting rod (101), a fixed mounting plate (102), a protruding auxiliary hemisphere (103), a positioning bolt (104) and a sliding mounting member The welding mounting rod (101) is provided with two, and a fixed mounting plate (102) is welded on the two welding mounting rods (101); three protruding auxiliary hemispheres (103) are fixedly mounted on the fixed mounting plate (102); two positioning bolts (104) are provided, and the two positioning bolts (104) are respectively threadedly connected to the welding mounting rod (101); two sliding mounting shafts (105) are provided, and the two sliding mounting shafts (105) are respectively slidably mounted on the two welding mounting rods (101); the two positioning bolts (104) are respectively pressed against the sliding mounting shafts (105); The driving device (2) comprises: a driving motor (201), a driving mounting column (202) and a connecting tension spring (203); the driving motor (201) is fixedly mounted on the fixed mounting plate (102); the output shaft of the driving motor (201) passes through the fixed mounting plate (102); the driving mounting column (202) is welded to the output shaft of the driving motor (201); and the connecting tension spring (203) is fixedly mounted on the driving mounting column (202); The rotating mounting member (3) comprises: a rotating mounting shaft (301), a fitting ball groove (3011) and an adapting auxiliary cylinder (302); the rotating mounting shaft (301) is slidably mounted on the driving mounting column (202); the interior of the rotating mounting shaft (301) is connected to the other end of the connecting tension spring (203); three fitting ball grooves (3011) are provided on the rotating mounting shaft (301), and the three fitting ball grooves (3011) are respectively attached to the protruding auxiliary hemisphere (103); the adapting auxiliary cylinder (302) is threadedly connected to the rotating mounting shaft (301); the exterior of the adapting auxiliary cylinder (302) is provided with a rubber coating; and the adapting auxiliary cylinder (302) is provided with a through hole; The propulsion positioning member (4) comprises: a propulsion positioning electric push rod (401) and a propulsion positioning shaft (402); the propulsion positioning electric push rod (401) is threadedly mounted with the propulsion positioning shaft (402); the propulsion positioning electric push rod (401) is fixedly mounted inside the rotating mounting shaft (301); the propulsion positioning shaft (402) is slidably mounted on the rotating mounting shaft (301); the propulsion positioning shaft (402) passes through the adaptation auxiliary cylinder (302); The cylinder tightening member (5) comprises: a cylinder tightening mounting tube (501), a fitting extrusion ring (502) and an extrusion auxiliary ring (503); the cylinder tightening mounting tube (501) is provided with a fitting extrusion ring (502), and the inner side of the fitting extrusion ring (502) is a sloped structure; the extrusion auxiliary ring (503) is threadedly connected to the cylinder tightening mounting tube (501); the inner side of the extrusion auxiliary ring (503) is a sloped structure; the extrusion auxiliary ring (503) is attached to the fitting extrusion ring (502); the fitting extrusion ring (502) is a soft rubber structure; The positioning pressing member (6) comprises: a positioning pressing rod (601), a limit correction plate (6011) and a reset tension spring (602); two positioning pressing rods (601) are provided, and the limit correction plates (6011) are respectively welded to the two positioning pressing rods (601); the bottom of the limit correction plate (6011) is an inclined structure; the two positioning pressing rods (601) are respectively welded to the reset tension spring (602); the two positioning pressing rods (601) are respectively rotatably mounted on the fixed mounting plate (102); the other ends of the two reset tension springs (602) are respectively welded to the fixed mounting plate (102); The positioning pressing member (6) further comprises: a connecting auxiliary ring (603), wherein the connecting auxiliary ring (603) is fixedly mounted on the two limit correction plates (6011); the bottom of the connecting auxiliary ring (603) is a flat structure; and the top of the connecting auxiliary ring (603) is an arc-shaped structure; The positioning guide member (7) comprises: a positioning guide installation shell (701) and a guide installation groove (7011); the positioning guide installation shell (701) is provided with a circle of guide installation grooves (7011); the positioning guide installation shell (701) is fixedly installed on the connection auxiliary ring (603); and the positioning guide installation shell (701) is a rectangular structure.

2. A welding processing device for a hydraulic cylinder of a shearing machine according to claim 1, characterized in that: The welding mounting member (1) further comprises: a supporting mounting ring (106), wherein the supporting mounting ring (106) is fixedly mounted on two sliding mounting shafts (105); and a rubber pad is provided inside the supporting mounting ring (106).

3. A welding processing device for a hydraulic cylinder of a shearing machine according to claim 1, characterized in that: The welding device (8) comprises: a welding installation shaft (801), a welding sliding frame (802) and a welding gun body (803); two welding installation shafts (801) are provided, and the two welding installation shafts (801) are respectively welded to two welding installation rods (101); welding sliding frames (802) are respectively slidably mounted on the two welding installation shafts (801); a welding gun body (803) is slidably mounted on the welding sliding frame (802) on the front side; and the head of the welding gun body (803) passes through the guide installation groove (7011) on the same side.

Images