Automatic welding equipment for pipe pile hoop skin

Abstract

The utility model relates to automatic welding equipment for a pipe pile hoop skin, which is used for automatically welding two splicing edges of the hoop skin and comprises a first clamping device, a second clamping device, a welding device, a horn mouth propelling device and a propelling and pressing device, the first clamping device comprises a horizontal supporting plate, a vertical backup plate, a first vertical clamping plate and a positioning plate, the second clamping device comprises a second vertical clamping plate located on the second side of the hoop skin, the welding device comprises a welding gun, the horn mouth pushing device comprises a pair of pushing units, and the pushing and pressing device comprises a pushing fork rod and a pair of pressing units. The production of automatic seam alignment and welding seam welding of hoop skins with different widths, hoop skins with different sizes, folded hoop skins and non-folded hoop skins can be realized, the size precision of products is improved, the welding seam welding quality of the hoop skins is improved, the appearance of the hoop skins is more attractive, the labor amount of workers is greatly reduced, the labor cost of welders is saved, the production efficiency is improved, and the production cost is reduced. The yield and the quality are obviously improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pipe pile in building industry, especially relates to a pipe pile hoop skin automatic welding equipment. BACKGROUND

[0002] The square pile is one kind of pipe pile product in building industry, and the square pile is divided into various types, wherein the square pile without end plate and the square pile with end plate are two kinds of pipe piles which are more applied in the square pile product, in order to improve the end face quality of the pipe pile and prevent concrete from leaking in the production process of the pipe pile, one hoop skin is arranged at each end of the pipe pile, the two ends of the square pile with end plate are composed of the end plate and the hoop skin, the hoop skin and the end plate are welded to form a closed end face, and the two ends of the square pile without end plate only have the hoop skin, so that the end face of the hoop skin needs to be folded, the end face of the square pile is protected, and the quality of the end face and the edge of the square pile is improved.

[0003] The hoop skin has a profiled structure, the hoop skin and the concrete are combined more firmly, the flared horn can be in close contact with the pipe mold, and the concrete is prevented from leaking outside the pipe mold of the concrete square pile production mold.

[0004] In the hoop skin welding procedure in the prior art, the method usually adopted is that the profiled hoop skin is bent and cut after being profiled, a worker splices and fixes the profiled and bent steel strip by means of a simple tool, and then the spliced steel strip is welded by manual welding to form a closed square hoop skin.

[0005] The existing hoop skin production method adopts manual welding, and a worker with a professional welder certificate needs to produce, the labor intensity of the worker is large, the production environment is relatively poor, the degree of automation is low, continuous production cannot be achieved, and because one worker cuts and one worker welds, time and labor are wasted, the production efficiency is affected, in addition, because the thickness of the hoop skin steel strip is relatively small, the manually welded hoop skin is prone to be welded through, the welding quality and appearance are not uniform, the formed size is determined by the worker, the error is large, the quality of the joint cannot be guaranteed by manual jointing, and the problems of large joint gap and cross section misalignment exist. CONTENT OF THE UTILITY MODEL

[0006] In view of the deficiencies of the prior art, the utility model provides a pipe pile hoop skin automatic welding equipment suitable for a hoop skin production procedure of a concrete pipe pile end.

[0007] In order to achieve the above object, the utility model provides a pipe pile hoop skin automatic welding equipment, and has the following technical scheme: two spliced edges for automatically welding the hoop skin, comprising a first clamping device, a second clamping device, a welding device, a horn pushing device and a pushing and pressing device.

[0008] The first clamping device comprises a horizontal support plate, a vertical abutting plate, a first vertical clamping plate and a positioning plate. The horizontal support plate is used for supporting the hoop skin. The horizontal support plate is provided with a through slot. The positioning plate is connected with a first driving mechanism. The first driving mechanism is arranged to lift the positioning plate so that the positioning plate passes through the through slot and protrudes from the horizontal support plate to pre-position corresponding spliced edge sections on both sides of the positioning plate respectively. After the spliced edges are pre-positioned, the positioning plate is lowered to eliminate the gap between the two pre-positioned spliced edge sections due to the spacing of the positioning plate. The vertical abutting plate is used for abutting against the first end surface of the hoop skin. The first vertical clamping plate is located on the first side of the hoop skin. The first vertical clamping plate is connected with a second driving mechanism. The second driving mechanism is used for driving the first vertical clamping plate to abut against or move away from the first side of the hoop skin.

[0009] The second clamping device comprises a second vertical clamping plate located on the second side of the hoop skin. The second vertical clamping plate is connected with a third driving mechanism. The third driving mechanism is used for driving the second vertical clamping plate to abut against or move away from the second side of the hoop skin. The second side is opposite to the first side.

[0010] The welding device comprises a welding gun. The welding gun is connected with an adjusting mechanism. The adjusting mechanism is used for adjusting the position of the welding gun to align with the butt joint of the hoop skin.

[0011] The horn pushing device comprises a pair of pushing units. Each pushing unit comprises a pushing rod and a fourth driving mechanism connected with the pushing rod. The fourth driving mechanism is used for driving the pushing rod to push towards or retract from the second end surface of the hoop skin to align the two spliced edges. The second end surface is opposite to the first end surface.

[0012] The pushing and pressing device comprises a pushing fork rod and a pair of pressing units. The fork-shaped end of the pushing fork rod is provided with a groove for positioning the horn of the hoop skin. The pushing fork rod is connected with a fifth driving mechanism. The fifth driving mechanism is used for driving the pushing fork rod to push towards or retract from the groove of the horn of the hoop skin. The pair of pressing units are respectively located on both sides of the pushing fork rod. Each pressing unit comprises a pressing plate and a sixth driving mechanism connected with the pressing plate. The sixth driving mechanism is used for driving the pressing plate to press the corresponding spliced edge on the horizontal support plate.

[0013] Preferably, the vertical clamping plate is arranged on the first side of the horizontal support plate, the first side of the horizontal support plate is perpendicular to the extension direction of the through slot, the first vertical clamping plate is arranged on the second side of the horizontal support plate, the second side of the horizontal support plate is parallel to the extension direction of the through slot, the second side of the horizontal support plate is adjacent to the first side, the second vertical clamping plate is arranged on the third side of the horizontal support plate, the third side of the horizontal support plate is parallel to the extension direction of the through slot, and the through slot is arranged between the second side and the third side of the horizontal support plate.

[0014] Preferably, the first clamping device comprises a guide mechanism and a connecting plate, the connecting plate is arranged on the guide mechanism, the connecting plate is connected with the first vertical clamping plate, the second driving mechanism drives the movement of the first vertical clamping plate by driving the connecting plate to move along the guide mechanism, and the second driving mechanism controls the first vertical clamping plate to have a first clamping position and a second clamping position, in the first clamping position, the first vertical clamping plate clamps the first side of the hoop skin towards the side edge of the positioning plate, and in the second clamping position, the first vertical clamping plate clamps the first side of the hoop skin towards another splicing edge.

[0015] Preferably, the welding gun is arranged on a welding gun fixing seat, the adjusting mechanism is connected with the welding gun fixing seat, and the adjusting mechanism is used for adjusting the position of the welding gun in X-axis, Y-axis and Z-axis directions.

[0016] Preferably, the end of the pushing rod is in the shape of "7".

[0017] Preferably, the pushing and pressing device comprises a horizontal pushing plate, the horizontal pushing plate is connected with a seventh driving mechanism, the fifth driving mechanism is arranged on the horizontal pushing plate, each pressing unit comprises a connecting arm, the sixth driving mechanism is arranged on the connecting arm, the connecting arm is arranged on the horizontal pushing plate, and the seventh driving mechanism is used for driving the movement of the horizontal pushing plate.

[0018] Preferably, the fork-shaped end of the pushing fork rod has a pair of tines, and each tine is provided with the groove.

[0019] Preferably, the groove is a V-shaped groove.

[0020] Preferably, the upper side of the first vertical clamping plate and the upper side of the second vertical clamping plate are provided with guide plates.

[0021] The automatic pipe pile hoop skin welding equipment can realize automatic jointing and welding of hoop skins with different widths, different sizes, folded edges and non-folded edges, improves product size precision, improves hoop skin welding quality, makes the hoop skin appearance more beautiful, greatly reduces the labor amount of workers, saves the labor cost of welders, improves production efficiency, and remarkably improves yield and quality. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed to be used in the embodiment are briefly introduced as follows.

[0023] Figure 1 It is a structural schematic view of the automatic pipe pile hoop skin welding equipment of the utility model.

[0024] Figure 2 It is a structural schematic view of the first clamping device in the automatic pipe pile hoop skin welding equipment of the utility model.

[0025] Figure 3 It is a structural schematic view of the second clamping device in the automatic pipe pile hoop skin welding equipment of the utility model.

[0026] Figure 4 It is a structural schematic view of the welding device in the automatic pipe pile hoop skin welding equipment of the utility model.

[0027] Figure 5 It is a structural schematic view of the horn mouth pushing device in the automatic pipe pile hoop skin welding equipment of the utility model.

[0028] Figure 6 It is a structural schematic view of the pushing and pressing device in the automatic pipe pile hoop skin welding equipment of the utility model.

[0029] Figure 7 It is a structural schematic view of the pushing fork in the automatic pipe pile hoop skin welding equipment of the utility model.

[0030] REFERENCE SIGNS:

[0031] 1 welding underframe device

[0032] 2 second clamping device

[0033] 201 second clamping base

[0034] 202 adjusting mechanism

[0035] 203 third driving mechanism

[0036] 204 guide plate

[0037] 205 second vertical clamping plate

[0038] 3 first clamping device

[0039] 301 first clamping base

[0040] 302 first driving mechanism

[0041] 303 positioning plate

[0042] 304 vertical back plate

[0043] 305 first vertical clamping plate

[0044] 306 connecting plate

[0045] 307 second driving mechanism

[0046] 308 guide mechanism

[0047] 309 horizontal support plate

[0048] 4 welding device

[0049] 401 adjusting mechanism

[0050] 402 front and rear driving mechanism

[0051] 403 lifting driving mechanism

[0052] 404 welding gun fixing seat

[0053] 405 welding gun

[0054] 5 horn pushing device

[0055] 501 horn pushing base

[0056] 502 fourth driving mechanism

[0057] 503 guide mechanism

[0058] 504 pushing rod

[0059] 6 pushing and pressing device

[0060] 601 pushing and pressing chassis

[0061] 602 guide mechanism

[0062] 603 seventh driving mechanism

[0063] 604 horizontal pushing plate

[0064] 605 left connecting arm

[0065] 606 left sixth driving mechanism

[0066] 607 left pressing plate

[0067] 608 right sixth driving mechanism

[0068] 609 right lower pressure plate

[0069] 610 right connecting arm

[0070] 611 propulsion fork

[0071] 612 fifth drive mechanism

[0072] 7 Hoop Skin DETAILED DESCRIPTION

[0073] In order to more clearly describe the technical content of the present invention, it is further described below in conjunction with specific embodiments.

[0074] like Figures 1 to 7 The figure shows a specific embodiment of the automatic welding equipment for pile clamps of the present invention, suitable for the automatic welding of square pile clamps. The equipment is used to automatically weld the two spliced ​​edges of a clamp 7 and includes a first clamping device 3, a second clamping device 2, a welding device 4, a bell-shaped propulsion device 5, and a push-down device 6. In the embodiment provided by the present invention, the first clamping device 3, the second clamping device 2, the welding device 4, the bell-shaped propulsion device 5, and the push-down device 6 are all mounted on a welding base 1.

[0075] like Figure 2As shown, the first clamping device 3 is used to support the clamp skin 7, position the weld, and apply a thrust to the clamp skin from the right side. Specifically, the first clamping device 3 includes a horizontal support plate 309, a vertical support plate 304, a first vertical clamping plate 305 and a positioning plate 303. The horizontal support plate 309 is used to support the clamp skin 7, especially to support the two splicing edges of the clamp skin 7. The horizontal support plate 309 is provided with a through groove. The positioning plate 303 is connected to the first driving mechanism 302. The first driving mechanism 302 is configured to raise the positioning plate 303 so that the positioning plate 303 passes through the through groove and protrudes from the horizontal support plate 309, so as to pre-position the corresponding splicing edge sections on both sides of the positioning plate 303; and in the predetermined After the splicing edges are positioned, the positioning plate 303 is lowered to eliminate the gap between the two pre-positioned splicing edge sections caused by the spacing of the positioning plate 303. That is, the positioning plate 303 is used to position the two end faces of the clamp skin 7, and the first drive mechanism 302 controls the raising and lowering of the positioning plate 303; the vertical support plate 304 is used to abut the first end face of the clamp skin 7, and the first vertical clamping plate 305 is located on the first side of the clamp skin 7. The first vertical clamping plate 305 is connected to the second drive mechanism 307, and the second drive mechanism 307 is used to drive the first vertical clamping plate 305 to abut against or away from the first side of the clamp skin 7. If the clamp skin 7 is a folded edge clamp skin, the first end face is the folded edge end face; if the clamp skin 7 is a non-folded edge clamp skin, the first end face is the end face opposite the bell mouth.

[0076] like Figure 3 As shown, the second clamping device 2 is used to apply a thrust to the clamp skin from the left. Specifically, the second clamping device 2 includes a second vertical clamping plate 205 located on the second side of the clamp skin 7. This second vertical clamping plate 205 is connected to a third drive mechanism 203, which is used to drive the second vertical clamping plate 205 toward or away from the second side of the clamp skin 7, where the second side is opposite the first side. In other words, the third drive mechanism 203 pushes the second vertical clamping plate 205 to apply a thrust to the left side of the clamp skin.

[0077] like Figure 4 As shown, the welding device 4 is used to weld the weld seam of the spliced ​​clamp skin. Specifically, the welding device 4 includes a welding gun 405, which is connected to an adjustment mechanism. The adjustment mechanism is used to adjust the position of the welding gun 405 to align with the butt joint of the clamp skin 7.

[0078] like Figure 5As shown, the trumpet pushing device 5 is used to press the trumpet end face of the hoop skin. The trumpet pushing device 5 includes a pair of pushing units, each of which includes a pushing rod 504 and a fourth driving mechanism 502 connected to the pushing rod 504, the fourth driving mechanism 502 is used to drive the pushing rod 504 to advance or retract towards the second end face of the hoop skin 7, so that the two splicing edges are aligned, and the second end face is opposite to the first end face. That is, the fourth driving mechanism 502 pushes the pushing rod 504 to apply a pushing force to the trumpet of the hoop skin, so that the first end face of the hoop skin is close to the vertical rest plate 304, thereby aligning the two end faces of the butt joint edge. A pair of pushing units are symmetrically arranged on the left and right sides to apply balanced pushing force to the end faces of the two splicing edges.

[0079] As shown, Figure 6 The pushing and pressing device 6 is used to press and fix the two splicing surfaces of the hoop skin. The pushing and pressing device 6 includes a pushing fork rod 611 and a pair of pressing units, the fork end of the pushing fork rod 611 is provided with a groove for positioning the trumpet of the hoop skin, the pushing fork rod 611 is connected with a fifth driving mechanism 612, the fifth driving mechanism 612 is used to drive the pushing fork rod 611 to advance or retract towards the trumpet of the hoop skin, and the pair of pressing units are respectively located on the two sides of the pushing fork rod 611, each of the pressing units includes a pressing plate and a sixth driving mechanism connected to the pressing plate. Specifically, the left pressing unit includes a left pressing plate 607 and a left sixth driving mechanism 606, and the right pressing unit includes a right pressing plate 609 and a right sixth driving mechanism 608, the left sixth driving mechanism 606 is used to drive the left pressing plate 607 to press the left splicing edge on the horizontal support plate 309, and the right sixth driving mechanism 608 is used to drive the right pressing plate 609 to press the right splicing edge on the horizontal support plate 309.

[0080] As shown, Figure 1 and Figure 2 As shown, the vertical rest plate 304 is arranged on the first side of the horizontal support plate 309, the first side of the horizontal support plate 309 is perpendicular to the extension direction of the through groove, the first vertical clamping plate 305 is located on the second side of the horizontal support plate 309, the second side of the horizontal support plate 309 is parallel to the extension direction of the through groove, the second side of the horizontal support plate 309 is adjacent to the first side, and the second vertical clamping plate 205 is located on the third side of the horizontal support plate 309, the third side of the horizontal support plate 309 is parallel to the extension direction of the through groove, and the through groove is located between the second side and the third side of the horizontal support plate 309.

[0081] The upper part of the first vertical clamping plate 305 and the upper part of the second vertical clamping plate 205 are provided with a guide plate 204.

[0082] In the embodiment provided by the utility model, the second clamping device 2 further comprises a second clamping base 201 and an adjusting mechanism 202, the adjusting mechanism 202 is installed on the second clamping base 201, a third driving mechanism 203 and a guide plate 204 are installed on the adjusting mechanism 202, a second vertical clamping plate 205 is installed on the third driving mechanism 203, the adjusting mechanism 202 can adjust the positions of the third driving mechanism 203, the guide plate 204 and the second vertical clamping plate 205, and the third driving mechanism 203 is a pneumatic cylinder.

[0083] In the embodiment provided by the utility model, the first clamping device 3 further comprises a first clamping base 301, a guide mechanism 308 and a connecting plate 306, the connecting plate 306 is installed on the guide mechanism 308, the connecting plate 306 is connected with the first vertical clamping plate 305, the second driving mechanism 307 drives the movement of the first vertical clamping plate 305 by driving the connecting plate 306 to move along the guide mechanism 308, that is, the second driving mechanism 307 controls the first vertical clamping plate 305 to exert a pushing force on the right side of the hoop skin, and the second driving mechanism 307 controls the first vertical clamping plate 305 to have a first clamping position and a second clamping position, when the first clamping position is reached, the first vertical clamping plate 305 clamps the first side of the hoop skin 7 towards the side edge of the positioning plate 303, that is, when the clamping position is reached, the right side section of the hoop skin is attached to the right side edge of the positioning plate 303, and when the second clamping position is reached, the first vertical clamping plate 305 clamps the first side of the hoop skin 7 towards the other splicing edge, that is, when the clamping position is reached, the right side section of the hoop skin is attached to the left side section.

[0084] In the embodiment of the utility model, the welding gun 405 is installed on the welding gun fixing seat 404, the adjusting mechanism is connected with the welding gun fixing seat 404, and the adjusting mechanism is used for adjusting the position of the welding gun in three directions of X axis, Y axis and Z axis. Specifically, the adjusting mechanism can include an adjusting mechanism 401, a front-rear driving mechanism 402 and a lifting driving mechanism 403, the welding gun fixing seat 404 is installed on the lifting driving mechanism 403, the lifting driving mechanism 403 is installed on the front-rear driving mechanism 402, the front-rear driving mechanism 402 is installed on the adjusting mechanism 401, the adjusting mechanism 401 can adjust the positions of the front-rear driving mechanism 402, the lifting driving mechanism 403, the welding gun fixing seat 404 and the welding gun 405 installed thereon, and finally make the welding gun 405 butt joint with the hoop skin seam and be welded by the welding gun 405; the front-rear driving mechanism 402 can control the lifting driving mechanism 403, the welding gun fixing seat 404 and the welding gun 405 to move along the hoop skin butt joint seam to cover the entire butt joint seam for welding; the lifting driving mechanism 403 can control the welding gun fixing seat 404 and the welding gun 405 to move up and down to imitate the profiled shape of the hoop skin to move up and down, ensure the consistency of the distance between the welding gun 405 and the hoop skin in the height direction, ensure the consistency of the weld quality and realize profiled welding of the weld.

[0085] The translation and lifting movement of the welding gun can be realized by a single-axis linear driving structure or a rotating structure, or a multi-axis robot can drive the welding gun to realize profiled movement.

[0086] In the embodiment of the utility model, the advancing unit of the trumpet mouth advancing device 5 further includes a trumpet mouth advancing base 501 and a guide mechanism 503, the fourth driving mechanism 502 and the guide mechanism 503 are installed on the trumpet mouth advancing base 501, the fourth driving mechanism 502 can be a cylinder, the piston rod of the fourth driving mechanism 502 is connected with an advancing rod 504, and the guide mechanism 503 is used for guiding the movement of the advancing rod 504. The end of the advancing rod 504 is in the shape of "7".

[0087] In the embodiment of the utility model, the advancing and depressing device 6 comprises an advancing and depressing chassis 601, a guide mechanism 602 and a horizontal advancing plate 604, the horizontal advancing plate 604 is connected with the seventh driving mechanism 603, the guide mechanism 602 and the seventh driving mechanism 603 are installed on the advancing and depressing chassis 601, the horizontal advancing plate 604 is installed on the guide mechanism 602 and the seventh driving mechanism 603, the fifth driving mechanism 612 is installed on the horizontal advancing plate 604, each of the depressing units comprises a connecting arm, specifically, the left depressing unit comprises a left connecting arm 605, the right depressing unit comprises a right connecting arm 610, the sixth driving mechanism is installed on the corresponding connecting arm, the connecting arm is installed on the horizontal advancing plate 604, the seventh driving mechanism 603 is used for driving the movement of the horizontal advancing plate 604, and the guide mechanism 602 is used for guiding the movement of the horizontal advancing plate 604. The fifth driving mechanism, the sixth driving mechanism and the seventh driving mechanism 603 can all be air cylinders, so as to realize advancing and exiting movement and lifting and depressing movement, the two spliced edges of the hoop skin are fixed by depressing, and the horn mouth of the hoop skin is positioned.

[0088] As shown in the figure, the forked end of the advancing fork rod 611 has a pair of prongs, and each prong is provided with the groove. Figure 7 The groove is a V-shaped groove, so as to position the same height of the horn mouth of the hoop skin and realize the auxiliary alignment of the horn mouth.

[0089] With the folded edge hoop skin as an example, the overall technological process of the hoop skin welding equipment is as follows: the positioning plate is lifted, the hoop skin is put in, the left side is advanced, the right side is pre-advanced, the horn mouth is advanced (the folded edge end face is close to the alignment plate and aligned), the two sides are depressed and extended, the left side is depressed, the positioning plate is lowered, the right side is completely advanced (the cross section is completed splicing), the right side is depressed (the left and right spliced edges are high and low aligned, and the splicing is completed), the welding gun is extended, the edge is withdrawn and welded (the left and right sides can advance and correct the hoop skin according to requirements, and the square shape is ensured), the left and right sides are advanced and withdrawn, the left and right sides are depressed and withdrawn, the two sides are depressed and extended, and the hoop skin is taken away.

[0090] Specifically, the first driving mechanism 302 drives the positioning plate 303 to lift, the hoop skin 7 is put in (the positioning plate 303 is in the middle of the two spliced edges), the horizontal supporting plate 309 supports the two spliced edges, the third driving mechanism 203 drives the second vertical clamping plate 205 to apply a left advancing force to the left side of the hoop skin, the left side spliced cross section of the hoop skin is close to the left side of the positioning plate 303, and the second driving mechanism 307 drives the connecting plate 306 to drive the first vertical clamping plate 305 to apply a right advancing force to the right side of the hoop skin, the right side spliced cross section of the hoop skin is close to the right side of the positioning plate 303, the fourth driving mechanism 502 drives the advancing rod 504, the two symmetrical advancing rods 504 apply a pushing force to the horn mouth of the spliced edge of the hoop skin, and the folded edge end face of the hoop skin is close to the vertical supporting plate 304.

[0091] The seventh driving mechanism 603 drives the horizontal pushing plate 604 to finally drive the left sixth driving mechanism 606 and the right sixth driving mechanism 608 to extend above the two splicing edges of the hoop skin, the left sixth driving mechanism 606 drives the left pressing plate 607 to press downward, and the left splicing edge of the hoop skin is fixed, the first driving mechanism 302 is retracted to drive the positioning plate 303 to descend, and the second driving mechanism 307 drives the connecting plate 306 to drive the first vertical clamping plate 305 to push the hoop skin from the right side, and the right splicing edge of the hoop skin is forced to close to the left splicing edge until the two sections are close (that is, the gap caused by the positioning of the positioning plate 303 is eliminated), and the right sixth driving mechanism 608 drives the right pressing plate 609 to press downward, and the right splicing edge of the hoop skin is fixed, at this time, the two splicing edges of the hoop skin are fixed in the front and back, left and right, up and down directions, and the left and right sections are close and have the same height;

[0092] The front and back driving mechanism 402 and the lifting driving mechanism 403 jointly drive the welding gun fixing seat 404 and the welding gun 405 to perform profile welding on the welding seam;

[0093] After welding is completed, the third driving mechanism 203, the second driving mechanism 307, the fourth driving mechanism 502, the left sixth driving mechanism 606, the right sixth driving mechanism 608, the fifth driving mechanism 612 and the seventh driving mechanism 603 are sequentially retracted, the hoop skin is loosened, and the welding process is completed.

[0094] In the embodiment of the utility model, each mechanism translational force source can be a cylinder, an electric cylinder, a motor-driven screw rod, a screw rod, a synchronous belt and the like mode driving structure translation. The adjusting mechanism and the guide mechanism are not limited to linear sliding rails, linear bearings matched with shafts, dovetail grooves, grooves and the like modes. Different process parameters can be set according to hoop skins of different specifications and sizes, the hoop skin placement position space is large, can be compatible with the placement of hoop skins of different specifications, and through switching the program model, automatic welding of the hoop skin can be realized without replacing the tooling.

[0095] The utility model discloses a pipe pile hoop skin automatic welding equipment, through to the hoop skin is supported, left and right advance, welding seam positioning, welding seam splicing, splicing edge fixation and the like process flow, realize the purpose of automatic butt joint of hoop skin section, and the fixed splicing seam is automatically welded using the welding machine, reaches the effect of automatic splicing and automatic welding of hoop skin. It can solve the automatic welding production process of different width strip steels, different size specifications, flange hoop skin and non-flange hoop skin, the equipment can automatically realize the end face alignment of two butt joints of the hoop skin, section splicing, horn mouth alignment, butt joint edge fixation, automatic welding of butt joint seam, hoop straightening and the like. In addition, the equipment hoop skin splicing edge butt joint is accurate, the positioning precision is higher than manual positioning, and the welding quality of the welding seam is stable and reliable.

[0096] The automatic pipe pile hoop skin welding equipment can realize the automatic joint and welding seam welding production of different width hoop skins, different size hoop skins, folded edge hoop skins and non-folded edge hoop skins, improves product size precision, improves hoop skin welding seam welding quality, makes the hoop skin appearance more beautiful, greatly reduces the labor amount of workers, saves the labor cost of welders, improves production efficiency, and remarkably improves yield and quality.

[0097] In this specification, the utility model has been described with reference to its specific embodiments. However, it is obvious that various modifications and changes can still be made without departing from the spirit and scope of the utility model. Therefore, the specification and drawings should be considered as illustrative rather than restrictive.

Claims

1. A pipe pile hoop skin automatic welding apparatus for automatically welding two splice edges of a hoop skin, characterized by, The first clamping device, the second clamping device, the welding device, the trumpet mouth pushing device and the pushing and pressing device are arranged in sequence. The first clamping device comprises a horizontal support plate, a vertical abutting plate, a first vertical clamping plate and a positioning plate. The horizontal support plate is used for supporting the hoop skin. The horizontal support plate is provided with a through groove. The positioning plate is connected with a first driving mechanism. The first driving mechanism is arranged to ascend the positioning plate so that the positioning plate passes through the through groove and protrudes from the horizontal support plate to pre-position corresponding joint edge sections on both sides of the positioning plate. After the joint edges are pre-positioned, the positioning plate is lowered to eliminate the gap between the two pre-positioned joint edge sections due to the spacing of the positioning plate. The vertical abutting plate is used for abutting against the first end surface of the hoop skin. The first vertical clamping plate is located on the first side of the hoop skin. The first vertical clamping plate is connected with a second driving mechanism. The second driving mechanism is used for driving the first vertical clamping plate to abut against or move away from the first side of the hoop skin. The second clamping device comprises a second vertical clamping plate located on the second side of the hoop skin. The second vertical clamping plate is connected with a third driving mechanism. The third driving mechanism is used for driving the second vertical clamping plate to abut against or move away from the second side of the hoop skin. The second side is opposite to the first side. The welding device comprises a welding gun. The welding gun is connected with an adjusting mechanism. The adjusting mechanism is used for adjusting the position of the welding gun to align with the joint seam of the hoop skin. The trumpet mouth pushing device comprises a pair of pushing units. Each pushing unit comprises a pushing rod and a fourth driving mechanism connected with the pushing rod. The fourth driving mechanism is used for driving the pushing rod to advance or retract towards the second end surface of the hoop skin to align the two joint edges. The second end surface is opposite to the first end surface. The pushing and pressing device comprises a pushing fork rod and a pair of pressing units. The fork-shaped end of the pushing fork rod is provided with a groove for positioning the trumpet mouth of the hoop skin. The pushing fork rod is connected with a fifth driving mechanism. The fifth driving mechanism is used for driving the pushing fork rod to advance or retract towards the groove of the trumpet mouth of the hoop skin. The pair of pressing units are respectively located on both sides of the pushing fork rod. Each pressing unit comprises a pressing plate and a sixth driving mechanism connected with the pressing plate. The sixth driving mechanism is used for driving the pressing plate to press the corresponding joint edge on the horizontal support plate.

2. The pipe pile hoop skin automatic welding apparatus according to claim 1, characterized by, The vertical clamping plate is located on the first side of the horizontal support plate, the first side of the horizontal support plate is perpendicular to the extension direction of the through slot, the first vertical clamping plate is located on the second side of the horizontal support plate, the second side of the horizontal support plate is parallel to the extension direction of the through slot, the second side of the horizontal support plate is adjacent to the first side, the second vertical clamping plate is located on the third side of the horizontal support plate, the third side of the horizontal support plate is parallel to the extension direction of the through slot, and the through slot is located between the second side and the third side of the horizontal support plate.

3. The pipe pile hoop skin automatic welding apparatus according to claim 1, characterized by, The first clamping device comprises a guide mechanism and a connecting plate, the connecting plate is installed on the guide mechanism, the connecting plate is connected with the first vertical clamping plate, the second driving mechanism drives the movement of the first vertical clamping plate by driving the connecting plate to move along the guide mechanism, and the second driving mechanism controls the first vertical clamping plate to have a first clamping position and a second clamping position.

4. The pipe pile hoop skin automatic welding apparatus according to claim 1, characterized by, The welding gun is installed on a welding gun fixing seat, the adjusting mechanism is connected with the welding gun fixing seat, and the adjusting mechanism is used for adjusting the positions of the welding gun in X, Y and Z axes.

5. The pipe pile hoop skin automatic welding apparatus according to claim 1, characterized by, The end of the pushing rod is in the shape of "7".

6. The pipe pile hoop skin automatic welding apparatus according to claim 1, characterized by, The pushing and pressing device comprises a horizontal pushing plate, the horizontal pushing plate is connected with a seventh driving mechanism, the fifth driving mechanism is installed on the horizontal pushing plate, each pressing unit comprises a connecting arm, the sixth driving mechanism is installed on the connecting arm, the connecting arm is installed on the horizontal pushing plate, and the seventh driving mechanism is used for driving the movement of the horizontal pushing plate.

7. The pipe pile hoop skin automatic welding apparatus according to claim 1, characterized by, The fork-shaped end of the pushing fork rod has a pair of tines, and each tine is provided with the groove.

8. The pipe pile hoop skin automatic welding apparatus according to claim 1, characterized by, The groove is a V-shaped groove.

9. The pipe pile hoop skin automatic welding apparatus according to claim 1, characterized by, The upper side of the first vertical clamping plate and the upper side of the second vertical clamping plate are provided with guide plates.

Images