CN111940975A - Splicing and welding mould for thin-wall rectangular beam and using method thereof - Google Patents
Splicing and welding mould for thin-wall rectangular beam and using method thereof Download PDFInfo
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- CN111940975A CN111940975A CN202010802415.6A CN202010802415A CN111940975A CN 111940975 A CN111940975 A CN 111940975A CN 202010802415 A CN202010802415 A CN 202010802415A CN 111940975 A CN111940975 A CN 111940975A
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- welded
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
Abstract
The invention discloses an assembling and welding mould for a thin-wall rectangular beam and a using method thereof, wherein the assembling and welding mould comprises chuck guide rails, the chuck guide rails and a welding machine guide rail are horizontally arranged in parallel, and two chucks are symmetrically arranged on the chuck guide rails; the clamp is used for clamping the end part of the workpiece to be welded and can drive the workpiece to be welded to rotate around the axis of the workpiece to be welded; the welding machine is arranged on the welding machine guide rail in a sliding mode and used for welding a workpiece to be welded; the invention utilizes the two chucks to clamp the workpiece to be welded, realizes the transverse positioning of the workpiece to be welded, and has simple, rapid and accurate positioning process; the chuck drives the workpiece to be welded to rotate, so that the whole workpiece is stably overturned, and the workpiece is prevented from cracking, deforming or positioning failure in the overturning process; the welding machine is arranged on the welding machine guide rail in a sliding mode, the welding machine moves, rapid welding of workpieces to be welded is achieved, welding efficiency is high, and the assembly welding yield is high.
Description
Technical Field
The invention belongs to the technical field of assembling and welding thin-wall rectangular beams, and particularly relates to an assembling and welding mould for a thin-wall rectangular beam and a using method thereof.
Background
With the development of the industrialization process, the development of the technical fields of the building industry, engineering vehicles and the like is rapidly advanced, and in the application fields, a large number of thin-wall rectangular beams with different shapes are involved and used; in the assembling and welding of the thin-wall rectangular beam, positioning and overturning are more important operations; in the prior art, welding of a thin-wall rectangular beam is complex, the beam wall is thin, the length is large, welding is carried out for an assembled structure, manual positioning and overturning are usually carried out, and efficiency is low.
At present, the thin-wall rectangular beam assembling, welding, positioning and overturning mainly comprise the following methods: (1) spot welding and positioning: the auxiliary material for butting the two U-shaped steels is manually positioned and spot-welded, but the mode has the defects of complex positioning and inaccurate positioning, if spot welding is too much, the auxiliary material is complex to clean, and great influence is caused on the overall precision and strength, if spot welding is too little, the auxiliary material is easy to crack during welding, and the auxiliary material is easy to deform during overturning to cause welding failure; (2) manual turning: the welded single-side workpiece is overturned by using tools such as a crowbar, but the method has little influence when processing a shorter workpiece, but has the defects of easy cracking, deformation, difficult operation and the like of the welded workpiece when the size of the workpiece is increased, influences and wastes on welding precision and the yield of the workpiece, and has undesirable effect.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides an assembling and welding mould for a thin-wall rectangular beam and a use method thereof, and aims to solve the problems that the existing thin-wall rectangular beam assembling and welding process is complex in positioning process, high in overturning difficulty, easy to cause workpiece cracking and deformation and low in assembling and welding yield.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides an assembling and welding mould for a thin-wall rectangular beam, which comprises a chuck guide rail, two chucks, a welding machine guide rail and a welding machine, wherein the two chucks are arranged on the chuck guide rail; the chuck guide rails and the welding machine guide rails are horizontally arranged in parallel, and the two chucks are symmetrically arranged on the chuck guide rails; the clamp is used for clamping the end part of the workpiece to be welded and can drive the workpiece to be welded to rotate around the axis of the workpiece to be welded; the welding machine is arranged on the welding machine guide rail in a sliding mode and used for welding a workpiece to be welded.
Further, the chuck is arranged on the chuck guide rail in a sliding mode.
Further, the chuck comprises a chuck base, a chuck support, a rotating bearing, a clamping plate support, an inner clamping plate and an outer clamping plate; the chuck base is arranged on the chuck guide rail in a sliding manner, and the chuck support is fixedly arranged on the chuck base;
the clamping plate support is arranged on the side edge of the chuck support, a rotating bearing is arranged between the clamping plate support and the chuck support, the outer ring of the rotating bearing is fixedly connected with the chuck support, and the inner ring of the rotating bearing is fixedly connected with the clamping plate support; the inner side clamping plate is arranged at the middle part of the clamping plate support, the outer side clamping plate is arranged at the outer side of the inner side clamping plate, a clamping space is arranged between the outer side clamping plate and the inner side clamping plate, and the end part of the workpiece to be welded is fixedly arranged in the clamping space.
Further, the inner side clamping plates comprise two horizontal inner clamping plates and two vertical inner clamping plates, and the two horizontal inner clamping plates and the two vertical inner clamping plates are encircled to form a rectangular structure; wherein, the two horizontal inner splints are horizontally arranged in parallel, the two vertical inner splints are vertically arranged in parallel,
the outer side clamping plate comprises two U-shaped clamping plates and two side clamping plates, the two U-shaped clamping plates are horizontally arranged in parallel, one U-shaped clamping plate is arranged above the upper horizontal inner clamping plate, the other U-shaped clamping plate is arranged below the lower horizontal inner clamping plate, the U-shaped clamping plates and the horizontal inner clamping plates are arranged at intervals, and openings of the U-shaped clamping plates are arranged corresponding to the welding surfaces of the workpieces to be welded; the two side clamping plates are arranged in parallel and vertically and are respectively arranged on the outer sides of the two vertical inner clamping plates, and the side clamping plates and the vertical inner clamping plates are arranged at intervals.
The horizontal inner splint support is characterized by further comprising a horizontal inner splint driving motor, a vertical inner splint driving motor and a side splint driving motor, wherein the horizontal inner splint driving motor and the vertical inner splint driving motor are both arranged at the center of the splint support, and the output end of the horizontal inner splint driving motor is connected with the horizontal inner splint and is used for driving the horizontal inner splint to move along the vertical direction; the output end of the vertical inner clamping plate driving motor is connected with the vertical inner clamping plate and is used for driving the vertical inner clamping plate to move along the horizontal direction; the side splint driving motor is installed at the side of splint support, and side splint driving motor's output is connected with the side splint for drive side splint remove along the horizontal direction.
Further, the clamping plate support comprises a support vertical plate and two support side plates, the support vertical plate is vertically arranged on the side edge of the chuck support in parallel, and one side of the support vertical plate is fixedly connected with the inner ring of the rotating bearing; the two support side plates are vertically arranged on the other side of the support vertical plate in parallel, and the inner side clamping plate and the outer side clamping plate are arranged between the two support side plates in a sliding mode.
Further, the bottom edge of the vertical plate of the support is parallel to the horizontal plane.
Furthermore, the chuck device further comprises a power mechanism, wherein the power mechanism is arranged on one chuck bracket, and the output end of the power mechanism penetrates through the chuck bracket and then is fixedly connected with the inner ring of the rotating bearing.
Furthermore, the power mechanism comprises a driving motor and a transmission shaft; the driving motor is installed on the chuck support, the output shaft of the driving motor is inserted into one end of the transmission shaft in a rotating mode, and the other end of the transmission shaft is fixedly connected with the inner ring of the rotating bearing.
The invention also provides a use method of the assembling and welding mould for the thin-wall rectangular beam, which comprises the following steps:
adjusting the positions of the chucks on the chuck guide rails to enable the distance between the two chucks to be matched with the length of the workpiece to be welded;
hoisting a workpiece to be welded between the two chucks, moving the chucks, fixedly clamping the workpiece to be welded on the two chucks, and enabling one welding surface of the workpiece to be welded to be in an upward position; starting a welding machine, and welding one welding surface of a workpiece to be welded;
after one welding surface of the workpiece to be welded is welded, the workpiece to be welded is driven by the chuck to horizontally turn around the axis of the workpiece to be welded, so that the other welding surface of the workpiece to be welded is in an upward position; and restarting the welding machine, welding the other welding surface of the workpiece to be welded, and hoisting and disassembling after the welding is finished.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides an assembling and welding mould for a thin-wall rectangular beam, which is characterized in that two chucks are arranged on a chuck guide rail, and the two chucks are used for clamping a workpiece to be welded, so that the workpiece to be welded is transversely positioned, and the positioning process is simple, quick and accurate; the chuck drives the workpiece to be welded to rotate, so that the whole workpiece is stably turned, and the influence of cracking, deformation or positioning failure of the workpiece caused by manual turning of the workpiece is avoided; the welding machine is arranged on the welding machine guide rail in a sliding mode, the welding machine moves on the welding machine guide rail, rapid welding of workpieces to be welded is achieved, auxiliary materials are saved, electric welding positioning is achieved, welding efficiency is high, and the assembly welding yield is high.
Furthermore, the chuck is arranged on the chuck guide rail in a sliding mode, so that the position of the chuck can be adjusted, welding of workpieces with different sizes is met, and the application range of the splicing welding mould is widened.
Furthermore, the chuck base is arranged on the chuck guide rail in a sliding manner, so that the sliding connection between the chuck and the chuck guide rail is realized; a rotating bearing is arranged between the chuck support and the clamping plate support, so that the clamping plate support is rotated, the clamping plate support drives the workpiece to be welded to rotate around the axis of the workpiece to be welded, and the workpiece to be welded is automatically and stably turned over; through setting up inboard splint and outside splint, set up the centre gripping space between inboard splint and the outside splint, realized treating the tight location of clamp of weldment work, make the welding position of treating weldment work align fast, the welder of being convenient for treats the rapid weld of weldment work.
Furthermore, the inner side clamping plate is combined by a horizontal clamping plate and a vertical clamping plate, and the outer side clamping plate is combined by a U-shaped plate and a side clamping plate, so that the clamping effect of the clamping head on a workpiece to be welded is improved; the opening of the U-shaped plate and the welding surface of the workpiece to be welded are correspondingly arranged, so that the workpiece to be welded is quickly welded, a welding blind area is prevented from being formed at the end part of the workpiece to be welded, and the welding effect of the workpiece to be welded is ensured.
Furthermore, through setting up splint driving motor, realized the adjustment to chuck centre gripping size, satisfy the not centre gripping welding of waiting to weld the work piece of equidimension, improved the application scope who assembles the welding mould.
Furthermore, the bottom edge of the vertical plate of the support is parallel to the horizontal plane, so that the welding process is ensured, the welding surface of the workpiece to be welded is in the horizontal position, the workpiece to be welded is accurately positioned, and the welding efficiency and the welding quality of the workpiece are effectively improved.
Furthermore, the power mechanism is arranged on the chuck support, and the power mechanism is utilized to drive the clamping plate support to rotate through the rotating bearing, so that the whole turnover of the workpiece to be welded is realized, the stability of the turnover process is ensured, and the workpiece is prevented from cracking and deforming.
The invention also provides a use method of the assembling and welding mould for the thin-wall rectangular beam, the workpiece to be welded is clamped on the chuck, the chuck is used for overturning the workpiece to be welded, the stability of the workpiece to be welded in the overturning process is ensured, the welding surface is quickly welded by the welding machine, the operation process is simple, the errors in the manual overturning and welding processes are avoided, and the welding efficiency and the welding quality are ensured.
In conclusion, the assembling and welding clamping fixture for the thin-wall rectangular beam and the using method thereof have the advantages that the workpiece to be welded is transversely positioned through the clamping head, so that the rapid positioning is realized; the clamping of the workpiece to be welded is realized through the inner side clamping plate and the outer side clamping plate in the clamping head, so that the welding part of the workpiece to be welded is quickly aligned, and the rapid welding is convenient; the power mechanism is arranged on the chuck support and drives the clamping plate support to rotate, so that the whole workpiece is stably turned over, and the defects of cracking, deformation and positioning failure of the workpiece caused by manual movement of the workpiece in the traditional welding method are overcome; compared with the traditional welding method, the method saves the time of spot welding positioning of the auxiliary material, has great advantages in the aspects of positioning and overturning, and has higher welding efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of the splicing and welding jig of the present invention;
FIG. 2 is a schematic perspective view of a chuck in the assembling and welding jig of the present invention;
FIG. 3 is a front view of a collet in the split welding fixture of the present invention;
fig. 4 is a schematic view of a connection structure of a chuck support and a rotating bearing in the assembling and welding jig of the invention.
The welding machine comprises a clamp head guide rail 1, a clamp head 2, a power mechanism 3, a welding machine guide rail 4, a welding machine 5, a rack 6 and a workpiece 7 to be welded, wherein the clamp head guide rail is arranged on the rack; the clamp comprises a clamp base 21, a clamp bracket 22, a rotating bearing 23, a clamp bracket 24, a clamp plate 25U, a side clamp plate 26, a horizontal inner clamp plate 27 and a vertical inner clamp plate 28.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention more apparent, the following embodiments further describe the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in the attached drawings 1-4, the invention provides an assembling and welding mould for a thin-wall rectangular beam, which comprises a chuck guide rail 1, two chucks 2, a power mechanism 3, a welding machine guide rail 4, a welding machine 5 and a frame 6; the chuck guide rail 1 and the welding machine guide rail 4 are both arranged on the frame 6, and the chuck guide rail 1 and the welding machine guide rail 4 are horizontally arranged in parallel; the two chucks 2 are symmetrically arranged on the chuck guide rail 1, the workpiece 7 to be welded is horizontally arranged between the two chucks 2, and the chucks 2 are used for clamping the end part of the workpiece 7 to be welded and can drive the workpiece to be welded to rotate around the axis of the chuck 2; the welding machine 5 is arranged on the welding machine guide rail 4 in a sliding mode, and the welding machine 5 can horizontally move along the welding machine guide rail 4 and is used for welding a workpiece 7 to be welded; preferably, the welding machine 5 adopts an automatic welding machine; one of the chucks 2 is provided with a power mechanism 3, and the power mechanism 3 is used for driving the workpiece 7 to be welded to rotate around the axis of the power mechanism 3, so that the workpiece 7 to be welded can be automatically and stably turned over.
The chuck 2 comprises a chuck base 21, a chuck bracket 22, a rotating bearing 23, a clamping plate bracket 24, an inner side clamping plate and an outer side clamping plate; the chuck base 21 is arranged in a sliding manner, a sliding groove is formed in the lower end of the chuck base 21, the chuck base 21 is arranged on the chuck guide rail 1 in a matched manner through the sliding groove in the lower end of the chuck base, and the chuck base 21 can move horizontally on the chuck guide rail 1; the chuck support 22 is fixedly arranged on the chuck base 21, the clamping plate support 24 is arranged on the side edge of the chuck support 22, a rotating bearing 23 is arranged between the clamping plate support 24 and the chuck support 22, and the axis of the rotating bearing 23 is horizontally arranged; the outer ring of the rotating bearing 23 is fixedly connected with the chuck bracket 22, and the inner ring of the rotating bearing 23 is fixedly connected with the clamping plate bracket 24; the inner side clamping plate is arranged in the middle of the clamping plate support 24, the outer side clamping plate is arranged on the outer side of the inner side clamping plate, a clamping space is arranged between the outer side clamping plate and the inner side clamping plate, and the end part of the workpiece 7 to be welded is fixedly arranged in the clamping space.
The inner side clamping plates comprise two horizontal inner clamping plates 27 and two vertical inner clamping plates 28, the two horizontal inner clamping plates 27 and the two vertical inner clamping plates 28 are encircled to form a rectangular structure, and the rectangular structure is matched with the inner cavity structure of the workpiece 7 to be welded; wherein, the two horizontal inner splints 27 are horizontally arranged in parallel, and the two vertical inner splints 28 are vertically arranged in parallel; the outer surface of the horizontal inner clamping plate 27 is in close contact with the inner side of the welding surface of the workpiece 7 to be welded, and the outer surface of the vertical inner clamping plate 28 is in close contact with the web of the workpiece 7 to be welded.
The outer side clamping plates comprise two U-shaped clamping plates 25 and two side clamping plates 26, and the two U-shaped clamping plates 25 are horizontally arranged in parallel; one U-shaped clamping plate 25 is arranged above the upper horizontal inner clamping plate, and the other U-shaped clamping plate 25 is arranged below the lower horizontal inner clamping plate; the U-shaped clamping plate 25 and the horizontal inner clamping plate 27 are arranged at intervals, and the distance between the U-shaped clamping plate 25 and the horizontal inner clamping plate 27 is matched with the thickness of the welding surface of the workpiece 7 to be welded; the opening of the U-shaped clamping plate 25 is arranged corresponding to the welding surface of the workpiece 7 to be welded, so that the workpiece 7 to be welded is quickly welded, a welding blind area is prevented from being formed at the end part of the workpiece 7 to be welded, and the welding effect of the workpiece 7 to be welded is ensured; the two side clamping plates 26 are vertically arranged in parallel and are respectively arranged at the outer sides of the two vertical inner clamping plates 28; the side clamping plates 26 and the vertical inner clamping plates 28 are arranged at intervals, and the distance between the side clamping plates 26 and the vertical inner clamping plates is matched with the thickness of the web plate of the workpiece 7 to be welded.
The chuck 2 further comprises a horizontal inner splint driving motor, a vertical inner splint driving motor and a side splint driving motor, wherein the horizontal inner splint driving motor and the vertical inner splint driving motor are both arranged at the center of the splint bracket 24, and the output end of the horizontal inner splint driving motor is connected with the horizontal inner splint 27 and is used for driving the horizontal inner splint 27 to move along the vertical direction; the output end of the vertical inner clamping plate driving motor is connected with the vertical inner clamping plate 28 and is used for driving the vertical inner clamping plate 28 to move along the horizontal direction; the side splint driving motor is arranged at the side edge of the splint bracket 24, and the output end of the side splint driving motor is connected with the side splint 25 and used for driving the side splint 26 to move along the horizontal direction; through setting up horizontal inner splint driving motor, vertical inner splint driving motor and side splint driving motor, realized the regulation to horizontal inner splint, vertical inner splint and side splint position respectively, and then realized the regulation to centre gripping space size between inner splint and the outside splint, make the chuck satisfy treat the centre gripping location of welded part to the unidimensional, effectively improved the application scope who assembles the welding mould.
The clamping plate support 24 comprises a support vertical plate and two support side plates, the support vertical plate is vertically arranged on the side edge of the chuck support 22 in parallel, one side of the support vertical plate is fixedly connected with the inner ring of the rotating bearing 23, the two support side plates are vertically arranged on the other side of the support vertical plate in parallel, and the support vertical plate and the support side plates are spliced to form a U-shaped supporting structure; the horizontal inner side plate 27 is vertically arranged on the support vertical plate in a sliding manner, the vertical inner clamping plate 28 is horizontally arranged on the support vertical plate in a sliding manner, two ends of the U-shaped clamping plate 25 are respectively connected with the two support side plates in a sliding manner, and the side clamping plate 26 is horizontally arranged on the support vertical plate in a sliding manner; the horizontal inner splint driving motor and the vertical inner splint driving motor are both arranged at the center of the vertical plate of the bracket; and a side clamping plate driving motor is respectively arranged on each support side plate.
The vertical support plate is used as a positioning device of the splint support 24, and the bottom edge of the vertical support plate is parallel to the horizontal plane; the bottom edge of the vertical plate of the support is parallel to the horizontal plane, so that the welding process is ensured, the welding surface of the workpiece to be welded is in the horizontal position, the workpiece to be welded is accurately positioned, and the welding efficiency and the welding quality of the workpiece are effectively improved
The power mechanism 3 is arranged on one chuck support 22, and the output end of the power mechanism 3 penetrates through the chuck support 22 and then is fixedly connected with the inner ring of the rotating bearing 23; the power mechanism 3 comprises a driving motor and a transmission shaft; the driving motor is installed on the chuck support 22, an output shaft of the driving motor is connected with one end of a transmission shaft, the transmission shaft is rotatably inserted into the chuck support 22, and the other end of the transmission shaft is fixedly connected with an inner ring of the rotating bearing 23.
The invention relates to a use method of an assembling and welding mould for a thin-wall rectangular beam, which comprises the following steps:
firstly, adjusting the positions of the chucks 2 on the chuck guide rails 1 to ensure that the distance between the two chucks 2 is matched with the length of a workpiece 7 to be welded;
secondly, hoisting the workpiece 7 to be welded between the two chucks 2, moving the chucks 2, fixedly clamping the workpiece 7 to be welded on the two chucks 2, and enabling one welding surface of the workpiece 7 to be welded to be in an upward position; starting the welding machine 5 to weld one welding surface of the workpiece 7 to be welded;
after one welding surface of the workpiece 7 to be welded is welded, the chuck 2 drives the workpiece 7 to be welded to horizontally turn around the axis of the workpiece 7 to be welded, so that the other welding surface of the workpiece 7 to be welded is in an upward position; and restarting the welding machine 5, welding the other welding surface of the workpiece to be welded 7, and hoisting and disassembling after the welding is finished.
According to the assembling and welding mould for the thin-wall rectangular beam, the two chucks are arranged on the chuck guide rails, and the two chucks are used for clamping a workpiece to be welded, so that the workpiece to be welded is transversely positioned, and the positioning process is simple, quick and accurate; the chuck drives the workpiece to be welded to rotate, so that the whole workpiece is stably turned, and the influence of cracking, deformation or positioning failure of the workpiece caused by manual turning of the workpiece is avoided; the welding machine is arranged on the welding machine guide rail in a sliding mode, the welding machine moves on the welding machine guide rail, rapid welding of workpieces to be welded is achieved, auxiliary materials are saved, electric welding positioning is achieved, welding efficiency is high, and the assembly welding yield is high.
According to the assembling and welding mould for the thin-wall rectangular beam, the workpiece to be welded is quickly positioned and automatically overturned through the mechanical automatic positioning and overturning structure, the working efficiency is high, and the assembling and welding yield is high; the workpiece to be welded is transversely positioned through the chuck, so that quick positioning is achieved; the workpiece is clamped through the movement of the clamping plate in the clamping head, so that the welding parts are quickly aligned, and the rapid welding is convenient; the clamping plate bracket is driven to rotate by the power mechanism, so that the whole workpiece is stably overturned, and the defects of workpiece cracking, deformation and positioning failure caused by manual movement of the workpiece in the traditional welding method are overcome; compared with the traditional welding method, the method saves the time for spot welding and positioning of the auxiliary material, has great advantages in positioning and overturning, and has higher welding efficiency; the assembling and welding mould provided by the invention saves the time for spot welding positioning by adopting auxiliary materials in the traditional method, has great advantages in positioning and overturning, and has higher welding efficiency.
Example 1
The embodiment 1 provides a welding mould for assembling a thin-wall rectangular beam, which comprises an automatic welding machine, a welding machine guide rail, a frame, a chuck guide rail and a power mechanism;
horizontally mounting a welding machine guide rail and a chuck guide rail on a rack, mounting an automatic welding machine on the welding machine guide rail, and horizontally moving the automatic welding machine along the welding machine guide rail; the clamping head is arranged on the clamping head guide rail, and a workpiece to be welded is clamped by the clamping head; the power mechanism is arranged on one of the chucks, the driving motor in the power mechanism is connected with the rotating bearing in the chuck through the transmission shaft, and when the driving motor outputs power to the rotating bearing through the transmission shaft, the rotation of the clamp plate bracket is driven, so that the to-be-welded workpiece rotates around the axis of the to-be-welded workpiece, and the stable overturning of the to-be-welded workpiece is realized.
The chuck comprises a chuck base, a chuck bracket, a rotating bearing, a clamping plate bracket, an inner side clamping plate and an outer side clamping plate; the chuck base is arranged on the chuck guide rail in a matching way through a sliding groove at the lower end of the chuck base, and the chuck base can horizontally move on the chuck guide rail; the chuck support is fixedly arranged on the chuck base, the clamping plate support is arranged on the side edge of the chuck support, a rotating bearing is arranged between the clamping plate support and the chuck support, and the axis of the rotating bearing is horizontally arranged; the outer ring of the rotating bearing is fixedly connected with the chuck bracket, and the inner ring of the rotating bearing is fixedly connected with the clamping plate bracket; the rotating bearing is arranged, so that the workpiece to be welded can be stably turned over; the inner side clamping plate is arranged at the middle part of the clamping plate support, the outer side clamping plate is arranged at the outer side of the inner side clamping plate, a clamping space is arranged between the outer side clamping plate and the inner side clamping plate, and the end part of the workpiece to be welded is fixedly arranged in the clamping space.
Install inboard splint and outside splint on the splint support, through the displacement adjustment of splint driving motor to inboard splint and outside splint, realized the tight and loosen of clamp of inboard splint and outside splint, can satisfy not unidimensional the centre gripping of treating the welding workpiece, guaranteed to treat the tight and quick location of clamp of welding workpiece.
The inner side clamping plates comprise two horizontal inner clamping plates and two vertical inner clamping plates, the two horizontal inner clamping plates are horizontally arranged in parallel, and the two vertical inner clamping plates are vertically arranged in parallel; the outer side clamping plates comprise two U-shaped clamping plates and two side clamping plates, and the two U-shaped clamping plates are horizontally arranged in parallel; one U-shaped clamping plate is arranged above the upper horizontal inner clamping plate, and the other U-shaped clamping plate is arranged below the lower horizontal inner clamping plate; the two side clamping plates are vertically arranged in parallel and are respectively arranged at the outer sides of the two vertical inner clamping plates; the horizontal inner clamping plate, the vertical inner clamping plate, the U-shaped clamping plate and the side clamping plate are controlled to be clamped and loosened through the motor.
The clamping plate support has a positioning function, and the welding surface of the workpiece is ensured to be in a horizontal position.
Application method and working principle
When the assembling and welding jig described in this embodiment 1 is used to weld a thin-walled rectangular beam, the specific steps are as follows:
step 1: firstly, moving the chucks to proper positions to enable the middle size of the two chucks to be larger than the size of a workpiece to be welded; and hoisting the workpiece to be welded between the two chucks, moving the chucks, adjusting the positions of the clamping plates to enable the two sides of the workpiece to be welded to be respectively positioned between the inner clamping plate and the outer clamping plate of the two chucks, and adjusting the positions of the U-shaped clamping plate and the side clamping plates to enable the workpiece to be welded to be clamped.
Step 2: and starting the automatic welding machine to weld the upper surface of the workpiece.
And step 3: and after the upper surface is welded, starting the power mechanism, and turning over to enable the lower surface of the workpiece to be welded to be in an upward position.
And 4, step 4: and (5) repeating the step (2) to weld the lower surface of the workpiece to be welded.
And 5: and after the workpiece is welded, hoisting and disassembling.
Example 2
Different from the embodiment 1, the power mechanism can be removed, and the motor is arranged on the chuck bracket to drive the workpiece to rotate around the axial direction of the workpiece; the motor adopts a stepping motor or a synchronous motor.
Example 3
Different from the above embodiment 1, when the workpiece to be welded has another shape, the chuck may be replaced, and the shapes of the inner and outer clamping plates may be changed to fit the shape of the workpiece to be welded at that time.
According to the assembling and welding mould for the thin-wall rectangular beam and the using method thereof, the workpiece to be welded is transversely positioned through the chuck, so that quick positioning is achieved; the clamping of the workpiece to be welded is realized through the inner side clamping plate and the outer side clamping plate in the clamping head, so that the welding part of the workpiece to be welded is quickly aligned, and the rapid welding is convenient; the power mechanism is arranged on the chuck support and drives the clamping plate support to rotate, so that the whole workpiece is stably turned over, and the defects of cracking, deformation and positioning failure of the workpiece caused by manual movement of the workpiece in the traditional welding method are overcome; compared with the traditional welding method, the method saves the time of spot welding positioning of the auxiliary material, has great advantages in the aspects of positioning and overturning, and has higher welding efficiency.
The above-described embodiment is only one of the embodiments that can implement the technical solution of the present invention, and the scope of the present invention is not limited by the embodiment, but includes any variations, substitutions and other embodiments that can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed.
Claims (10)
1. An assembling and welding mould for a thin-wall rectangular beam is characterized by comprising a chuck guide rail (1), two chucks (2), a welding machine guide rail (4) and a welding machine (5); the chuck guide rail (1) and the welding machine guide rail (4) are horizontally arranged in parallel, and the two chucks (2) are symmetrically arranged on the chuck guide rail (1); the to-be-welded workpiece (7) is horizontally arranged between the two chucks (2), and the chucks (2) are used for clamping the end part of the to-be-welded workpiece (7) and can drive the to-be-welded workpiece (7) to rotate around the axis of the to-be-welded workpiece; the welding machine (5) is arranged on the welding machine guide rail (4) in a sliding mode, and the welding machine (5) is used for welding a workpiece (7) to be welded.
2. The splicing and welding jig for the thin-walled rectangular beam as claimed in claim 1, wherein the collet (2) is slidably disposed on the collet guide rail (1).
3. The assembling and welding mould for the thin-wall rectangular beam is characterized in that the chuck (2) comprises a chuck base (21), a chuck bracket (22), a rotating bearing (23), a clamping plate bracket (24), an inner side clamping plate and an outer side clamping plate; the chuck base (21) is arranged on the chuck guide rail (1) in a sliding manner, and the chuck support (22) is fixedly arranged on the chuck base (21);
the clamping plate support (24) is arranged on the side edge of the chuck support (22), a rotating bearing (23) is arranged between the clamping plate support (24) and the chuck support (22), the outer ring of the rotating bearing (23) is fixedly connected with the chuck support (22), and the inner ring of the rotating bearing (23) is fixedly connected with the clamping plate support (24); the inner side clamping plate is arranged in the middle of the clamping plate support (24), the outer side clamping plate is arranged on the outer side of the inner side clamping plate, a clamping space is arranged between the outer side clamping plate and the inner side clamping plate, and the end part of the workpiece (7) to be welded is fixedly arranged in the clamping space.
4. The assembling and welding mould for the thin-wall rectangular beam is characterized in that the inner clamping plates comprise two horizontal inner clamping plates (27) and two vertical inner clamping plates (28), and the two horizontal inner clamping plates (27) and the two vertical inner clamping plates (28) are encircled to form a rectangular structure; wherein, the two horizontal inner splints (27) are arranged horizontally and parallelly, the two vertical inner splints (28) are arranged vertically and parallelly,
the outer side clamping plate comprises two U-shaped clamping plates (25) and two side clamping plates (26), the two U-shaped clamping plates (25) are horizontally arranged in parallel, one U-shaped clamping plate (25) is arranged above the horizontal inner clamping plate at the upper part, the other U-shaped clamping plate (25) is arranged below the horizontal inner clamping plate at the lower part, the U-shaped clamping plates (25) and the horizontal inner clamping plates are arranged at intervals, and the openings of the U-shaped clamping plates (25) are arranged corresponding to the welding surfaces of the workpieces (7) to be welded; the two side clamping plates (26) are vertically arranged in parallel and are respectively arranged on the outer sides of the two vertical inner clamping plates (28), and the side clamping plates (26) and the vertical inner clamping plates (28) are arranged at intervals.
5. The assembling and welding mould for the thin-wall rectangular beam is characterized by further comprising a horizontal inner clamping plate driving motor, a vertical inner clamping plate driving motor and a side clamping plate driving motor, wherein the horizontal inner clamping plate driving motor and the vertical inner clamping plate driving motor are both arranged in the center of the clamping plate bracket (24), and the output end of the horizontal inner clamping plate driving motor is connected with the horizontal inner clamping plate (27) and used for driving the horizontal inner clamping plate (27) to move along the vertical direction; the output end of the vertical inner clamping plate driving motor is connected with the vertical inner clamping plate (28) and used for driving the vertical inner clamping plate (28) to move along the horizontal direction; the side splint driving motor is installed on the side of the splint support (24), and the output end of the side splint driving motor is connected with the side splint (26) and used for driving the side splint (26) to move along the horizontal direction.
6. The assembling and welding mould for the thin-wall rectangular beam as claimed in claim 3, wherein the clamping plate bracket (24) comprises a bracket vertical plate and two bracket side plates, the bracket vertical plate is vertically arranged on the side of the chuck bracket (22) in parallel, and one side of the bracket vertical plate is fixedly connected with the inner ring of the rotating bearing (23); the two support side plates are vertically arranged on the other side of the support vertical plate in parallel, and the inner side clamping plate and the outer side clamping plate are arranged between the two support side plates in a sliding mode.
7. The assembling and welding jig for the thin-walled rectangular beam as claimed in claim 6, wherein the bottom edges of the vertical plates of the support are parallel to the horizontal plane.
8. The assembling and welding mould for the thin-wall rectangular beam as claimed in claim 3, further comprising a power mechanism (3), wherein the power mechanism (3) is arranged on one of the chuck supports (22), and an output end of the power mechanism (3) penetrates through the chuck supports (22) and then is fixedly connected with an inner ring of the rotating bearing (23).
9. The splicing welding clamping fixture for the thin-wall rectangular beam as claimed in claim 8, wherein the power mechanism (3) comprises a driving motor and a transmission shaft; the driving motor is installed on the chuck support (22), an output shaft of the driving motor is connected with one end of a transmission shaft, the transmission shaft is rotatably inserted into the chuck support (22), and the other end of the transmission shaft is fixedly connected with an inner ring of the rotating bearing (23).
10. The use method of the splicing welding jig for the thin-walled rectangular beam as claimed in any one of claims 1 to 9, characterized by comprising the steps of:
adjusting the positions of the chucks on the chuck guide rails to enable the distance between the two chucks to be matched with the length of the workpiece to be welded;
hoisting a workpiece to be welded between the two chucks, moving the chucks, fixedly clamping the workpiece to be welded on the two chucks, and enabling one welding surface of the workpiece to be welded to be in an upward position; starting a welding machine, and welding one welding surface of a workpiece to be welded;
after one welding surface of the workpiece to be welded is welded, the workpiece to be welded is driven by the chuck to horizontally turn around the axis of the workpiece to be welded, so that the other welding surface of the workpiece to be welded is in an upward position; and restarting the welding machine, welding the other welding surface of the workpiece to be welded, and hoisting and disassembling after the welding is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010802415.6A CN111940975A (en) | 2020-08-11 | 2020-08-11 | Splicing and welding mould for thin-wall rectangular beam and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010802415.6A CN111940975A (en) | 2020-08-11 | 2020-08-11 | Splicing and welding mould for thin-wall rectangular beam and using method thereof |
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| CN111940975A true CN111940975A (en) | 2020-11-17 |
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| CN202010802415.6A Pending CN111940975A (en) | 2020-08-11 | 2020-08-11 | Splicing and welding mould for thin-wall rectangular beam and using method thereof |
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Application publication date: 20201117 |