CN112108811A - Welding mechanism of rail transit - Google Patents
Welding mechanism of rail transit Download PDFInfo
- Publication number
- CN112108811A CN112108811A CN202010936562.2A CN202010936562A CN112108811A CN 112108811 A CN112108811 A CN 112108811A CN 202010936562 A CN202010936562 A CN 202010936562A CN 112108811 A CN112108811 A CN 112108811A
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- Prior art keywords
- assembly
- motor
- rotating
- connecting plate
- welding
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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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
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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
- B23K37/0443—Jigs
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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
- B23K37/08—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for flash removal
Abstract
The invention belongs to the technical field of rail transit equipment, and particularly relates to a welding mechanism for rail transit. The welding mechanism of the rail transit comprises a base, four groups of supporting columns, a cross beam, a moving seat and a welding assembly; the cross beam is fixedly arranged on the base through a plurality of groups of supporting columns; the cross beam comprises two groups of cross rods and two groups of slide rails, the two groups of cross rods are respectively arranged in parallel and symmetrically, and the two groups of slide rails are respectively arranged in parallel and symmetrically; two ends of the movable seat are respectively and movably clamped on the two groups of slide rails; the clamping assembly is movably arranged on the movable seat; the welding assembly is movably clamped on the movable seat, so that the welding assembly can reach any point in a plane projection formed by the sliding rail and the cross beam.
Description
Technical Field
The invention belongs to the technical field of rail transit equipment, and particularly relates to a welding mechanism for rail transit.
Background
Rail transit refers to a type of vehicle or transportation system in which operating vehicles need to travel on a particular rail. The most typical rail transit is a railway system consisting of conventional trains and standard railways. The high-speed train belongs to one of rail transit, and the high-speed train is assembled by four major parts in the manufacturing: the device comprises a vehicle body, a bogie, upper and lower large parts of the vehicle and facilities in the vehicle. The car body part also comprises a head car body, namely a car body with a cab, and the head car body is mainly assembled and welded manually.
In the prior art, an upper cover of a head car can be assembled on a welding platform, and the upper cover of the head car is formed by assembling and welding a plurality of plates. When the assembly welding, operating personnel splices the bottom plate of first car upper cover at first, aim at through visualing, secondly operating personnel squats and lies down and welds the bottom plate on the bottom plate of first car upper cover, in welding process, operating personnel can handheld welder, handheld hammer, strike welding slag after the welding, then trample the bottom plate of first car upper cover and remove next splice, not only working strength is big, still make the not welded first car upper cover bottom plate of assembling disintegrate easily, waste time and energy.
Disclosure of Invention
Aiming at the problems, the invention provides a welding mechanism of rail transit, which comprises a base, four groups of supporting columns, a cross beam, a moving seat and a welding assembly, wherein the four groups of supporting columns are arranged on the base; the cross beam is fixedly arranged on the base through a plurality of groups of supporting columns;
the cross beam comprises two groups of cross rods and two groups of slide rails, the two groups of cross rods are respectively arranged in parallel and symmetrically, and the two groups of slide rails are respectively arranged in parallel and symmetrically; two ends of the movable seat are respectively and movably clamped on the two groups of slide rails;
the welding assembly comprises a clamping assembly, a first rotating assembly, a second rotating assembly, a third rotating assembly, a fourth rotating assembly and a welding unit, and the clamping assembly is movably mounted on the moving seat;
the upper end of the first rotating assembly is fixedly arranged at the lower end of the clamping assembly, and the upper end of the second rotating assembly is rotatably connected to the lower end of the first rotating assembly; the upper end of the third rotating assembly is rotatably connected to the lower end of the second rotating assembly, and a rotating shaft of the third rotating assembly is vertical to the central axis of the first rotating assembly;
the fourth rotating assembly is rotatably connected to the lower end of the third rotating assembly, and a rotating shaft of the fourth rotating assembly is parallel to a rotating shaft of the third rotating assembly; the upper end of the welding unit is rotatably connected to one end of the fourth rotating assembly.
Furthermore, the upper plate surface of the base is also provided with a plurality of groups of fixing devices, and each fixing device comprises a first fixing component, a second fixing component, a third fixing component and a fourth fixing component;
the fourth fixing component is adjacent to the first fixing component, two groups of the first fixing components and the fourth fixing components are symmetrically arranged at two ends of the base, the second fixing component and the third fixing components are symmetrically arranged at the other two ends of the base respectively, two ends of the third fixing component are adjacent to the fourth fixing component, and two ends of the second fixing component are adjacent to the first fixing component;
a first cavity is formed in the first fixing assembly, and the first fixing assembly comprises a first rubber pad, a first ejection plate, a first ejector rod, a first handle and a first fixing plate;
the first ejector plate, the first ejector rod and the first fixing plate are positioned in the first cavity, the first fixing plate is fixedly installed at the edge of the base, and a first threaded hole is formed in the first fixing plate;
the outer surface of the first ejector rod is provided with an external thread, and the first ejector rod can be screwed in the first threaded hole; one end of the first ejector rod is fixedly arranged on the first ejector plate through a first ball bearing, a first rubber pad is further fixedly arranged on the outer wall of the first ejector plate, and the other end of the first ejector rod is located outside the first fixed plate and is fixedly connected with a first handle;
the first fixing component, the second fixing component and the third fixing component have the same structure and are different only in size;
a second cavity is formed in the fourth fixing assembly, and the fourth fixing assembly comprises a second rubber pad, a second ejection plate, a second ejection rod, a second handle and a second fixing plate;
the second ejector plate, the second ejector rod and the second fixing plate are positioned in the second cavity, the second fixing plate is fixedly installed at the edge of the base, and a second threaded hole is formed in the second fixing plate;
the outer surface of the second ejector rod is provided with an external thread, and the second ejector rod can be screwed in the second threaded hole; one end of the second ejector rod is fixedly arranged on the second ejector plate through a second ball bearing, and a second rubber pad is also fixedly arranged on the outer wall of the second ejector plate;
the other end of the second ejector rod is positioned outside the second fixing plate and is fixedly connected with a second handle;
the end face of the first rubber pad installed on the first ejection plate is parallel to the edge of the base, and an included angle formed by the end face of the second rubber pad installed on the second ejection plate is an obtuse angle.
Further, the movable seat comprises a first connecting plate, a second connecting plate and a third connecting plate;
a second moving groove is formed in the first connecting plate and penetrates through the upper plate surface and the lower plate surface of the first connecting plate; a ball screw is arranged in the second moving groove, and two ends of the ball screw are respectively and rotatably connected with two ends of the second moving groove;
the lower plate surface of the first connecting plate is also provided with a first sliding groove, one ends of the second connecting plate and the third connecting plate are respectively and fixedly connected with two ends of the first connecting plate, the other end of the second connecting plate is fixedly provided with a first motor, one side of the second connecting plate, which is opposite to the third connecting plate, is respectively provided with two groups of moving wheels, and the two groups of moving wheels are in transmission connection with the first motor; the sliding rails are also fixedly provided with first sliding blocks, the side walls of the two groups of sliding rails, which are far away from each other, are also provided with first moving grooves, the first sliding grooves are movably clamped on the first sliding blocks, and the moving wheels are movably clamped in the first moving grooves;
the other end of the third connecting plate is fixedly provided with a second motor, and the output end of the second motor is in transmission connection with the ball screw; the ball screw is movably provided with a clamping assembly, and the clamping assembly is movably clamped on the upper plate surface and the lower plate surface of the first connecting plate.
Furthermore, the clamping assembly comprises a first clamping and connecting plate, a first fixing block and a second clamping and connecting plate;
the first clamping plate is fixedly arranged at the upper end of the first fixing block, and the second clamping plate is fixedly arranged at the lower end of the first fixing block;
the lower plate surface of the first clamping plate is attached to the upper plate surface of the first connecting plate, the upper plate surface of the second clamping plate is attached to the lower plate surface of the first connecting plate, and the first fixing block is movably clamped in the second moving groove;
the first fixing block is internally provided with a ball screw bearing, the ball screw bearing is matched with the ball screw, the ball screw bearing is in threaded connection with the ball screw, the ball screw bearing drives the first fixing block to move in the second moving groove through rotation of the ball screw, and meanwhile, the clamping assembly can integrally move on the first connecting plate.
Further, the first rotating assembly includes a first housing, a third motor, and a first rotating disk;
the upper end fixed connection of first casing is in the lower plate surface of first joint board, third motor fixed mounting be in inside the first casing, first rotary disk fixed mounting be in on the output shaft of third motor, just first rotary disk with the lower extreme of first casing rotates and is connected.
Further, the second rotating assembly comprises a second shell and a first rotating arm; the upper end of the second shell is fixedly connected with the first rotating disc, a fourth motor is fixedly mounted inside the second shell, one end of the first rotating arm is in transmission connection with an output shaft of the fourth motor, and the other end of the first rotating arm is in rotation connection with one end of the third rotating assembly.
Further, the third rotating assembly comprises a third shell and a second rotating arm; a fifth motor is fixedly installed inside the third shell, an output shaft of the fifth motor is in transmission connection with one end of the first rotating arm, and the rotating direction of the first rotating arm rotates along the central axis of the output shaft of the fifth motor; the other end of the third shell is fixedly connected with one end of the second rotating arm; the other end of the second rotating arm is rotatably connected with the fourth rotating assembly.
Further, the fourth rotating assembly comprises a fourth shell and a second rotating disk; a sixth motor is fixedly installed inside the fourth shell, one end of an output shaft of the sixth motor is in transmission connection with one end of the second rotating arm, and the rotating direction of the second rotating arm rotates along the central axis of the output shaft of the sixth motor;
one end of the second rotating disc is fixedly arranged at one end of the fourth shell, which is parallel to the central axis direction of the output shaft of the sixth motor; the other end of the second rotating disk is rotatably connected with the welding unit.
Further, the welding unit includes a fifth housing and a sixth housing;
the fifth shell is fixedly arranged at the upper end of the sixth shell, a seventh motor is fixedly arranged at the upper end in the fifth shell, and one end of an output shaft of the seventh motor is in transmission connection with one end of the second rotating disc;
the lower end of the seventh motor is also provided with a hammering and polishing assembly and two groups of second cylinders;
further, the hammering and grinding assembly comprises an eighth motor, a seventh shell, a first air cylinder and a hammer sleeve; one end of the eighth motor is fixedly arranged in the fifth shell, and the seventh shell is rotationally connected with an output shaft of the eighth motor;
the first air cylinder is fixedly arranged in the seventh shell, and one end of the hammer sleeve is fixedly arranged at the lower end of the seventh shell; the other end face of the hammer sleeve is provided with a double-insection filing vein, and the hammer sleeve penetrates through the sixth shell;
furthermore, a hammer core is arranged inside the hammer sleeve, and the hammer core is columnar; one end of the hammer core is fixedly connected with one end of the output shaft of the first cylinder; the other end of the hammer core can penetrate through the end face of the hammer sleeve provided with the double-insection filing grains.
Furthermore, a clamping groove is formed in the sixth shell, an automatic welding machine welding gun mounting hole is formed in the clamping groove, and the circle center of the end face of the hammer core and the circle center of the automatic welding machine welding gun mounting hole are symmetrical with respect to the central axis of the output shaft of the seventh motor;
the welding gun mounting hole of the automatic welding machine penetrates through the clamping groove; a clamping block is movably clamped in the clamping groove and fixedly connected with one end of the output shaft of the second cylinder;
the lower end of the clamping block is also fixedly connected with two groups of third cylinders which are symmetrical relative to a welding gun mounting hole of the automatic welding machine, and one end of an output shaft of each third cylinder is fixedly connected with a second fixing block.
The invention has the beneficial effects that:
1. through with welding assembly activity joint on removing the seat for welding assembly can reach the arbitrary point in the plane projection that slide rail and crossbeam constitute, and welding range is wide.
2. When the first handle or the second handle is shaken, the first ejector rod or the second ejector rod moves forwards or backwards, so that the first ejector plate or the second ejector plate moves forwards or backwards, plates to be welded of different sizes on the base can be fixed, and welding is more stable.
3. Through the connection of first runner assembly, second runner assembly, third runner assembly, fourth runner assembly and welding unit, make welding unit can weld the welding position of co-altitude and different angles not, and the welding scope further increases.
4. And the sixth shell is rotated by 180 degrees when the seventh motor is started, the first air cylinder is started, the iron hammer is pushed to smash to the welding position, welding slag is removed from the welding position, and the welding effect is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a welding mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a base of a welding mechanism according to an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a welding mechanism fixing device according to an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a slide rail of a welding mechanism according to an embodiment of the invention;
FIG. 5 is a schematic diagram of a movable seat of a welding mechanism according to an embodiment of the invention;
FIG. 6 is a schematic diagram of a welding mechanism welding assembly according to an embodiment of the present invention;
FIG. 7 shows a cross-sectional structural view of a welding mechanism snap-in assembly of an embodiment of the present invention;
FIG. 8 is a cross-sectional structural schematic of a first rotating assembly of a welding mechanism according to an embodiment of the present invention;
FIG. 9 is a schematic cross-sectional view of a second rotating assembly of the welding mechanism of the present invention;
FIG. 10 is a schematic cross-sectional view of a third rotating assembly of the welding mechanism in accordance with an embodiment of the present invention;
FIG. 11 is a schematic cross-sectional view of a fourth rotating assembly of the welding mechanism of the present invention;
FIG. 12 is a schematic view showing the structure of a welding unit of the welding mechanism according to the embodiment of the present invention;
FIG. 13 is a schematic view of a sixth housing of the welding mechanism according to the embodiment of the invention;
fig. 14 shows a schematic structural view of a hammer grinding assembly of a welding mechanism according to an embodiment of the invention.
In the figure: 1. a base; 101. a first fixed component; 102. a second fixed component; 103. a third fixed component; 104. a fourth fixed component; 1011. a first rubber pad; 1012. a first ejector plate; 1013. a first ball bearing; 1014. a first threaded hole; 1015. a first ejector rod; 1016. a first handle; 1017. a first cavity; 1018. a first fixing plate; 1041. a second rubber pad; 1042. a second ejector plate; 1043. a second ball bearing; 1044. a second threaded hole; 1045. a second ejector rod; 1046. a second handle; 1047. a second cavity; 1048. a second fixing plate; 2. a support pillar; 3. a cross bar; 4. a slide rail; 401. a first slider; 402. a first moving slot; 5. a movable seat; 501. a first connecting plate; 502. a ball screw; 503. a second connecting plate; 504. a third connecting plate; 505. a first motor; 506. a second motor; 507. a moving wheel; 508. a second moving slot; 509. a first chute; 6. welding the assembly; 601. a clamping assembly; 6011. a first clamping connection plate; 6012. a second clamping plate; 6013. a first fixed block; 6014. a ball screw bearing; 602. a first rotating assembly; 6021. a first housing; 6022. a third motor; 6023. a third motor output shaft; 6024. a first rotating disk; 603. a second rotating assembly; 6031. a second housing; 6032. a fourth motor; 6033. a first rotation arm; 604. a third rotating assembly; 6041. a third housing; 6042. a fifth motor; 6043. a second rotating arm; 605. a fourth rotating assembly; 6051. a fourth housing; 6052. a sixth motor; 6053. a second rotating disk; 606. a welding unit; 6061. a fifth housing; 6062. hammering the polishing assembly; 60621. an eighth motor; 60622. a seventh housing; 60623. a first cylinder; 60624. a hammer core; 6063. a second cylinder; 6064. a sixth housing; 6065. a card slot; 6066. a clamping block; 6067. mounting holes of welding guns of the automatic welding machine; 6068. a third cylinder; 6069. a second fixed block; 60610. a hammer sleeve; 60611. and a seventh motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a welding mechanism for rail transit, which comprises a base 1, four groups of supporting columns 2, a cross beam, a moving seat 5 and a welding assembly 6, wherein the exemplary welding mechanism is as shown in figure 1; the base 1 is a rectangular plate, and the four groups of support columns 2 are respectively fixedly arranged at the upper ends of four right angles of the base 1; the beam is a rectangular frame, and four right angles of the beam are respectively fixedly connected with the upper ends of the four groups of support columns 2; specifically, the cross beam comprises two groups of cross rods 3 and two groups of slide rails 4, the two groups of cross rods 3 are respectively arranged in parallel and symmetrically, and the two groups of slide rails 4 are respectively arranged in parallel and symmetrically; two ends of the movable seat 5 are respectively movably clamped on the two groups of slide rails 4; the welding assembly 6 is movably clamped on the movable base 5.
The movable seat 5 is movably clamped on the sliding rail 4, and the welding assembly 6 is movably clamped on the movable seat 5, so that the welding assembly 6 can reach any point in a plane projection formed by the sliding rail 4 and the cross rod 3, and the welding range is wide; in practical use, the number of the support columns 2 is not less than 4, and the embodiment is only an exemplary illustration.
The upper plate surface of the base 1 is further provided with a fixing device, and the fixing device includes a first fixing component 101, a second fixing component 102, a third fixing component 103 and a fourth fixing component 104, as shown in fig. 2 for example. The fourth fixing component 104 is adjacent to the first fixing component 101, the first fixing component 101 and the fourth fixing component 104 are symmetrically arranged at two ends of the base 1, the second fixing component 102 and the third fixing component 103 are symmetrically arranged at the other two ends of the base 1 respectively, two ends of the third fixing component 103 are adjacent to the fourth fixing component 104, and two ends of the second fixing component 102 are adjacent to the first fixing component 101.
As shown in fig. 3, a first cavity 1017 is provided inside the first fixing assembly 101, and the first fixing assembly 101 includes a first rubber pad 1011, a first ejecting plate 1012, a first top bar 1015, a first hand crank 1016, and a first fixing plate 1018; the first ejector plate 1012, the first ejector pin 1015 and the first fixing plate 1018 are positioned in the first cavity 1017, the first fixing plate 1018 is fixedly mounted on the edge of the base 1, and the first fixing plate 1018 is provided with a first threaded hole 1014; the outer surface of the first top rod 1015 is provided with an external thread, and the first top rod 1015 can be screwed in the first threaded hole 1014; one end of the first top rod 1015 is fixedly mounted on the first ejecting plate 1012 through a first ball bearing 1013, and a first rubber pad 1011 is also fixedly mounted on the outer wall of the first ejecting plate 1012 for reducing unnecessary damage caused by fixing a plate to be welded; the other end of the first top rod 1015 is located outside the first fixing plate 1018, and is fixedly connected with a first hand crank 1016.
The first fixing element 101, the second fixing element 102 and the third fixing element 103 have the same structure, and only have different sizes, and the first fixing element is not described herein again.
A second cavity 1047 is formed inside the fourth fixing assembly 104, and the fourth fixing assembly 104 includes a second rubber pad 1041, a second ejector plate 1042, a second ejector rod 1045, a second hand crank 1046 and a second fixing plate 1048; the second ejector plate 1042, the second ejector rod 1045, and the second fixing plate 1048 are located in the second cavity 1047, the second fixing plate 1048 is fixedly installed at the edge of the base 1, and a second threaded hole 1044 is formed in the second fixing plate 1048; an external thread is arranged on the outer surface of the second ejector pin 1045, and the second ejector pin 1045 can be screwed in the second threaded hole 1044; one end of the second ejector pin 1045 is fixedly mounted on the second ejector plate 1042 through a second ball bearing 1043, and a second rubber pad 1041 is also fixedly mounted on the outer wall of the second ejector plate 1042 and used for reducing unnecessary damage caused by fixing a plate to be welded; the other end of the second ejector pin 1045 is located outside the second fixing plate 1048, and is fixedly connected with a second hand crank 1046.
The end face of the first ejector plate 1012 where the first rubber pad 1011 is mounted is parallel to the edge of the base 1, and an included angle formed by the end face of the second ejector plate 1042 where the second rubber pad 1041 is mounted is an obtuse angle, and a space enclosed by the two groups of first fixing assemblies 101, the second fixing assemblies 102, the third fixing assemblies 103 and the two groups of fourth fixing assemblies 104 forms the shape of a head car upper cover bottom plate; when the first handle 1016 of the first fixing assembly 101 is shaken, the first top rod 1015 moves forward or backward, so that the first top plate 1012 moves forward or backward, and similarly, the handles of other sets of fixing devices can be shaken to fix the plates to be welded on the base 1 with different sizes, so that the welding is more stable.
For example, as shown in fig. 4, a first sliding block 401 is fixedly mounted on the sliding rail 4, and a first moving groove 402 is further formed on the side wall of each of the two sets of sliding rails 4 away from each other; the first moving slot 402 is used to cooperate with the moving base 5.
The mobile seat 5 comprises a first connecting plate 501, a second connecting plate 503 and a third connecting plate 504, as shown in fig. 5 for example.
A second moving groove 508 is formed in the first connecting plate 501, and the second moving groove 508 penetrates through the upper plate surface and the lower plate surface of the first connecting plate 501; a ball screw 502 is installed in the second moving groove 508, and two ends of the ball screw 502 are respectively rotatably connected with two ends of the second moving groove 508;
a first sliding groove 509 is further formed in the lower plate surface of the first connecting plate 501, and the first sliding groove 509 is movably clamped on the first slider 401;
one end of each of the second connecting plate 503 and the third connecting plate 504 is fixedly connected to two ends of the first connecting plate 501, the other end of the second connecting plate 503 is fixedly provided with a first motor 505, one side of the second connecting plate 503 opposite to the third connecting plate 504 is provided with two sets of moving wheels 507, the two sets of moving wheels 507 are in transmission connection with the first motor 505, and the first motor 505 controls the moving wheels 507 to move forward or backward on the first moving groove 402;
a second motor 506 is fixedly mounted at the other end of the third connecting plate 504, and the output end of the second motor 506 is in transmission connection with the ball screw 502; the ball screw 502 is movably provided with a welding assembly 6, and the welding assembly 6 is movably clamped on the upper plate surface and the lower plate surface of the first connecting plate 501; the second motor 506 controls the rotation direction of the ball screw 502, thereby controlling the welding assembly 6 to move on the first connecting plate 501.
The first sliding chute 509 is slidably clamped on the first sliding block 401, the first motor 505 drives the moving wheel 507 to stably move on the first moving chute 402, and the second motor 506 drives the ball screw 502, so that the welding assembly 6 can move forward or backward on the first connecting plate 501 along the thread direction of the ball screw 502, and the welding range is wider.
The welding assembly 6 includes a clamping assembly 601, a first rotating assembly 602, a second rotating assembly 603, a third rotating assembly 604, a fourth rotating assembly 605, and a welding unit 606, as shown in fig. 6 for example. The clamping assembly 601 is movably mounted on the ball screw 502, and the clamping assembly 601 is movably clamped on the upper plate surface and the lower plate surface of the first connecting plate 501; the upper end of the first rotating assembly 602 is fixedly mounted at the lower end of the clamping assembly 601, the upper end of the second rotating assembly 603 is rotatably connected to the lower end of the first rotating assembly 602, and the first rotating assembly 602 enables the second rotating assembly 603 to rotate for 360 degrees along the central axis of the first rotating assembly 602; the upper end of the third rotating assembly 604 is rotatably connected to the lower end of the second rotating assembly 603, and the rotating shaft of the third rotating assembly 604 is perpendicular to the central axis of the first rotating assembly 602; the fourth rotating assembly 605 is rotatably connected to the lower end of the third rotating assembly 604, and the rotating shaft of the fourth rotating assembly 605 is parallel to the rotating shaft of the third rotating assembly 604; the upper end of the welding unit 606 is rotatably connected to one end of the fourth rotating assembly 605, and the welding unit 606 rotates 360 ° along the central axis of the fourth rotating assembly 605.
Through the connection of the first rotating assembly 602, the second rotating assembly 603, the third rotating assembly 604, the fourth rotating assembly 605 and the welding unit 606, the welding unit 606 can weld welding positions with different heights and different angles, and the welding range is further increased.
The clamping assembly 601 includes a first clamping plate 6011, a first fixing block 6013, and a second clamping plate 6012, as shown in fig. 7 for example. The first clamping plate 6011 is fixedly installed at the upper end of the first fixing block 6013, and the second clamping plate 6012 is fixedly installed at the lower end of the first fixing block 6013; the lower plate surface of the first clamping plate 6011 is attached to the upper plate surface of the first connecting plate 501, the upper plate surface of the second clamping plate 6012 is attached to the lower plate surface of the first connecting plate 501, and the first fixing block 6013 is movably clamped in the second moving groove 508; a ball screw shaft bearing 6014 is further fixedly installed in the first fixing block 6013, the ball screw shaft bearing 6014 is matched with the ball screw 502, the ball screw bearing 6014 is screwed onto the ball screw 502, and through rotation of the ball screw 502, the ball screw bearing 6014 drives the first fixing block 6013 to move in the second moving groove 508, so that the entire clamping assembly 601 can move on the first connection plate 501.
The first rotation assembly 602 includes a first housing 6021, a third motor 6022, and a first rotation disk 6024; illustratively, as shown in fig. 8.
The upper end of the first housing 6021 is fixedly connected to the lower plate surface of the first latch plate 6011, the third motor 6022 is fixedly installed inside the first housing 6021, the first rotating disc 6024 is fixedly installed on the output shaft of the third motor 6022, and the first rotating disc 6024 is rotatably connected to the lower end of the first housing 6021.
The second rotating assembly 603 includes a second housing 6031 and a first rotating arm 6033, for example, as shown in fig. 9, an upper end of the second housing 6031 is fixedly connected to the first rotating disc 6024, a fourth motor 6032 is fixedly mounted inside the second housing 6031, one end of the first rotating arm 6033 is in transmission connection with an output shaft of the fourth motor 6032, and the other end of the first rotating arm 6033 is rotatably connected to one end of the third rotating assembly 604.
The third rotating assembly 604 includes a third housing 6041 and a second rotating arm 6043, for example, as shown in fig. 10, a fifth motor 6042 is fixedly installed inside the third housing 6041, an output shaft of the fifth motor 6042 is in transmission connection with one end of the first rotating arm 6033, and a rotating direction of the first rotating arm 6033 rotates along a central axis of the output shaft of the fifth motor 6042; the other end of the third housing 6041 is fixedly connected with one end of the second rotating arm 6043; the other end of the second rotating arm 6043 is rotatably connected to the fourth rotating assembly.
The fourth rotation assembly 605 includes a fourth housing 6051 and a second rotatable disk 6053, as shown, for example, in fig. 11. A sixth motor 6052 is fixedly mounted inside the fourth housing 6051, one end of an output shaft of the sixth motor 6052 is in transmission connection with one end of the second rotating arm 6043, and the rotating direction of the second rotating arm 6043 rotates along a central axis of the output shaft of the sixth motor 6052; one end of the second rotating disk 6053 is fixedly mounted at one end of the fourth housing 6051 parallel to the central axis direction of the output shaft of the sixth motor 6052; the other end of the second rotating disk 6053 is rotatably connected to the welding unit 606.
The welding unit 606 includes a fifth housing 6061, a hammer sharpening assembly 6062, and a sixth housing 6064, as shown, for example, in fig. 12, 13, and 14.
The fifth housing 6061 is fixedly mounted at the upper end of the sixth housing 6064, a seventh motor 60611 is fixedly mounted at the upper end inside the fifth housing 6061, one end of an output shaft of the seventh motor 60611 is in transmission connection with one end of the second rotating disk 6053, and the fifth housing 6061 can rotate along the central axis of the output shaft of the seventh motor 60611;
the lower end of the seventh motor 60611 is also provided with a hammering and grinding assembly 6062 and two groups of second air cylinders 6063; one end of the hammer sharpening assembly 6062 extends through the sixth housing 6064;
the hammer sharpening assembly 6062 includes an eighth motor 60621, a seventh housing 60622, a first cylinder 60623, and a hammer sleeve 60610. One end of the eighth motor 60621 is fixedly installed in the fifth housing 6061, and the seventh housing 60622 is rotatably connected to the output shaft of the eighth motor 60621;
the first cylinder 60623 is fixedly installed inside the seventh housing 60622, and one end of the hammer sleeve 60610 is fixedly installed at the lower end of the seventh housing 60622; the other end face of the hammer sleeve 60610 is provided with a double-insection filing for grinding and polishing welding slag; a hammer core 60624 is further arranged inside the hammer sleeve 60610, and the hammer core 60624 is columnar and used for knocking welding slag; one end of the hammer core 60624 is fixedly connected with one end of the output shaft of the first cylinder 60623; the other end of the hammer core 60624 can penetrate through the hammer sleeve 60610 and is provided with an end face with double-insection threads.
An output shaft of the second cylinder 6063 penetrates the sixth housing 6064;
a clamping groove 6065 is formed in the sixth housing 6064, an automatic welding machine welding gun mounting hole 6067 is formed in the clamping groove 6065, and when the center of the end face of the hammer core 60624 rotates 180 degrees along the central axis of the output shaft of the seventh motor 60611, the center of the end face of the hammer core 60624 coincides with the center of the automatic welding machine welding gun mounting hole 6067;
the automatic welding machine welding gun mounting hole 6067 penetrates through the clamping groove 6065; a clamping block 6066 is movably clamped in the clamping groove 6065, and the clamping block 6066 is fixedly connected with one end of an output shaft of the second air cylinder 6063;
the lower end of the fixture block 6066 is further fixedly connected with two groups of third cylinders 6068 which are symmetrical relative to a welding gun mounting hole 6067 of the automatic welding machine, one end of an output shaft of each third cylinder 6068 is fixedly connected with a second fixing block 6069, and the two groups of second fixing blocks 6069 can fix a gun head of the welding gun of the automatic welding machine.
When the welding unit 606 works, the output shafts of the two groups of third cylinders 6068 extend, the second fixed block 6069 fixes the gun head of a welding gun of an automatic welding machine, then the output shaft of the second cylinder 6063 extends, the fixture block 6066 is ejected out of the clamping groove 6065, meanwhile, the automatic welding machine controls the welding gun to start, a plate to be welded is welded, after the welding is finished, the output shaft of the second cylinder 6063 is shortened, and the fixture block 6066 is restored to the original position;
at this time, the seventh motor 60611 is started, so that the sixth housing 6064 rotates 180 degrees, the first cylinder 60623 is started, the hammer core 60624 is pushed to smash towards the welding position, welding slag is removed from the welding position, after the knocking is finished, the output shaft of the first cylinder 60623 contracts, the eighth motor 60621 is started to drive the hammer sleeve 60610 to rotate rapidly, and the double-toothed thread arranged on the end face of the hammer sleeve 60610 grinds and polishes the welding position, so that the welding effect is further improved.
By utilizing the welding mechanism provided by the embodiment of the invention, the welding process is as follows:
firstly, the bottom plate of the head car upper cover is fixed on the base 1 through a plurality of groups of fixed components on the base 1, the moving wheels 507 are controlled to move on the sliding rails 4 by adjusting the first motor 505, and the ball screw 502 is controlled by the second motor 506 to rotate to drive the welding component 6 to move in the second moving groove 508, so that the welding component 6 can move to each splicing point on the bottom plate of the head car upper cover. Through the automatic weld machine welder that sets up in automatic weld machine welder mounting hole 6067, weld each splice point, welding unit 606 is rotatory 180 degrees on second rotary disk 6053 afterwards, will aim at the splice point that has welded with hammer core 60624 of automatic weld machine welder mounting hole 6067 concentric centre, through first cylinder 60623 drive hammer core 60624, make hammer core 60624 strike the splice point that has welded many times, the back that finishes of striking, the output shaft shrink of first cylinder 60623, eighth motor 60621 starts, drives hammer sleeve 60610 rotates fast, the double-tooth line that the hammer sleeve 60610 terminal surface set up is frustrated the line and is polished weld the department for welding effect is better, until welding all splice points. After the bottom plate of the upper cover of the head car is welded, car body frameworks with different heights need to be installed and spliced on the bottom plate. Splicing points with different heights and different angles can be positioned and welded through the second rotating assembly 603, the third rotating assembly 604 and the fourth rotating assembly 605 until the whole vehicle head upper cover is welded.
For example, it is particularly important that the hammer sleeve is internally provided with a hammer core, and the hammer core is columnar; one end of the hammer core is fixedly connected with one end of the output shaft of the first cylinder; the other end of the hammer core can penetrate through the end face of the hammer sleeve provided with the double-insection filing grains. A clamping groove is formed in the sixth shell, an automatic welding machine welding gun mounting hole is formed in the clamping groove, and the circle center of the end face of the hammer core and the circle center of the automatic welding machine welding gun mounting hole are symmetrical about the central axis of the output shaft of the seventh motor; the welding gun mounting hole of the automatic welding machine penetrates through the clamping groove; a clamping block is movably clamped in the clamping groove and fixedly connected with one end of the output shaft of the second cylinder; the lower end of the clamping block is also fixedly connected with two groups of third cylinders which are symmetrical relative to a welding gun mounting hole of the automatic welding machine, and one end of an output shaft of each third cylinder is fixedly connected with a second fixing block.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a rail transit's welding mechanism which characterized in that: comprises a base (1), a plurality of groups of supporting columns (2), a cross beam, a movable seat (5) and a welding assembly (6);
the cross beam is fixedly arranged on the base (1) through a plurality of groups of supporting columns (2);
the cross beam comprises two groups of sliding rails (4), and the two groups of sliding rails (4) are respectively arranged in parallel and symmetrically; two ends of the movable seat (5) are movably clamped on the two groups of slide rails (4) respectively;
the welding assembly (6) comprises a clamping assembly (601), a first rotating assembly (602), a second rotating assembly (603), a third rotating assembly (604), a fourth rotating assembly (605) and a welding unit (606), and the clamping assembly (601) is movably mounted on the moving seat (5);
the upper end of the first rotating assembly (602) is fixedly arranged at the lower end of the clamping assembly (601), and the upper end of the second rotating assembly (603) is rotatably connected to the lower end of the first rotating assembly (602); the upper end of the third rotating assembly (604) is rotatably connected to the lower end of the second rotating assembly (603), and the rotating shaft of the third rotating assembly (604) is perpendicular to the central axis of the first rotating assembly (602);
the fourth rotating assembly (605) is rotatably connected to the lower end of the third rotating assembly (604), and the rotating shaft of the fourth rotating assembly (605) is parallel to the rotating shaft of the third rotating assembly (604); the upper end of the welding unit (606) is rotatably connected to one end of the fourth rotating assembly (605).
2. The welding mechanism of rail transit of claim 1, characterized in that: the upper plate surface of the base (1) is also provided with a fixing device, and the fixing device comprises a first fixing component (101), a second fixing component (102), a third fixing component (103) and a fourth fixing component (104);
the fourth fixing component (104) is adjacent to the first fixing component (101), the first fixing component (101) and the fourth fixing component (104) are symmetrically arranged at two ends of the base (1), the second fixing component (102) and the third fixing component (103) are symmetrically arranged at the other two ends of the base (1) respectively, two ends of the third fixing component (103) are adjacent to the fourth fixing component (104), and two ends of the second fixing component (102) are adjacent to the first fixing component (101).
3. The welding mechanism of rail transit of claim 1, characterized in that: the movable seat (5) comprises a first connecting plate (501), a second connecting plate (503) and a third connecting plate (504);
a second moving groove (508) is formed in the first connecting plate (501), and the second moving groove (508) penetrates through the upper plate surface and the lower plate surface of the first connecting plate (501); a ball screw (502) is arranged in the second moving groove (508), and two ends of the ball screw (502) are respectively and rotatably connected with two ends of the second moving groove (508);
a first sliding groove (509) is further formed in the lower plate surface of the first connecting plate (501), one ends of the second connecting plate (503) and the third connecting plate (504) are respectively and fixedly connected with two ends of the first connecting plate (501), a first motor (505) is fixedly mounted at the other end of the second connecting plate (503), two groups of moving wheels (507) are respectively arranged on one side of the second connecting plate (503) opposite to the third connecting plate (504), and the two groups of moving wheels (507) are in transmission connection with the first motor (505); the sliding rails (4) are also fixedly provided with first sliding blocks (401), the side walls of the two groups of sliding rails (4) which are far away from each other are also provided with first moving grooves (402), the first sliding grooves (509) are movably clamped on the first sliding blocks (401), and the moving wheels (507) are movably clamped in the first moving grooves (402);
the other end of the third connecting plate (504) is fixedly provided with a second motor (506), and the output end of the second motor (506) is in transmission connection with the ball screw (502); ball screw (502) are gone up movable mounting have joint subassembly (601), just joint subassembly (601) activity joint is in the upper and lower face of first connecting plate (501).
4. The welding mechanism of rail transit of claim 3, characterized in that: the clamping assembly (601) comprises a first clamping plate (6011), a first fixing block (6013) and a second clamping plate (6012);
the first clamping plate (6011) is fixedly arranged at the upper end of the first fixing block (6013), and the second clamping plate (6012) is fixedly arranged at the lower end of the first fixing block (6013);
the lower plate surface of the first clamping plate (6011) is attached to the upper plate surface of the first connecting plate (501), the upper plate surface of the second clamping plate (6012) is attached to the lower plate surface of the first connecting plate (501), and the first fixing block (6013) is movably clamped in the second moving groove (508);
still fixed mounting has ball screw bearing (6014) in first fixed block (6013), ball screw bearing (6014) with ball screw (502) are mutually supported, ball screw bearing (6014) spiro union is in on ball screw (502), through the rotation of ball screw (502), ball screw bearing (6014) drive first fixed block (6013) are in second shifting chute (508) removes, makes simultaneously joint subassembly (601) wholly can move on first connecting plate (501).
5. The welding mechanism of rail transit of claim 4, characterized in that: the first rotational assembly (602) comprises a first housing (6021), a third motor (6022), and a first rotational disk (6024);
the upper end of the first shell (6021) is fixedly connected with the lower plate surface of the first clamping plate (6011), the third motor (6022) is fixedly arranged inside the first shell (6021), the first rotating disk (6024) is fixedly arranged on the output shaft of the third motor (6022), and the first rotating disk (6024) is rotatably connected with the lower end of the first shell (6021).
6. The welding mechanism of rail transit of claim 1 or 5, wherein: the second rotation assembly (603) comprises a second housing (6031) and a first rotation arm (6033); the upper end of second casing (6031) with first rotary disk (6024) fixed connection, the inside fixed mounting of second casing (6031) has fourth motor (6032), the one end of first rotation arm (6033) with the output shaft transmission of fourth motor (6032) is connected, the other end of first rotation arm (6033) with the one end of third rotating assembly (604) is rotated and is connected.
7. The welding mechanism of rail transit of claim 6, characterized in that: the third rotation assembly (604) includes a third housing (6041) and a second rotation arm (6043); a fifth motor (6042) is fixedly installed inside the third shell (6041), an output shaft of the fifth motor (6042) is in transmission connection with one end of the first rotating arm (6033), and the rotating direction of the first rotating arm (6033) rotates along the central axis of the output shaft of the fifth motor (6042); the other end of the third shell (6041) is fixedly connected with one end of the second rotating arm (6043); the other end of the second rotating arm (6043) is rotatably connected with the fourth rotating assembly.
8. The welding mechanism of rail transit of claim 7, wherein: the fourth rotation assembly (605) comprises a fourth housing (6051) and a second rotating disk (6053); a sixth motor (6052) is fixedly mounted inside the fourth housing (6051), one end of an output shaft of the sixth motor (6052) is in transmission connection with one end of the second rotating arm (6043), and the rotating direction of the second rotating arm (6043) rotates along the central axis of the output shaft of the sixth motor (6052);
one end of the second rotating disc (6053) is fixedly arranged at one end of the fourth shell (6051) parallel to the central axis direction of the output shaft of the sixth motor (6052); the other end of the second rotating disk (6053) is rotatably connected with the welding unit (606).
9. The welding mechanism of rail transit of claim 8, wherein: the welding unit (606) includes a fifth housing (6061) and a sixth housing (6064);
the fifth shell (6061) is fixedly installed at the upper end of the sixth shell (6064), a seventh motor (60611) is fixedly installed at the upper end inside the fifth shell (6061), and one end of an output shaft of the seventh motor (60611) is in transmission connection with one end of the second rotating disc (6053);
the lower end of the seventh motor (60611) is also provided with a hammering and grinding assembly (6062) and two groups of second cylinders (6063).
10. The welding mechanism of rail transit of claim 9, wherein:
the hammer sharpening assembly (6062) comprises an eighth motor (60621), a seventh housing (60622), a first cylinder (60623), and a hammer sleeve (60610); one end of the eighth motor (60621) is fixedly arranged in the fifth shell (6061), and the seventh shell (60622) is rotationally connected with an output shaft of the eighth motor (60621);
the first cylinder (60623) is fixedly installed inside the seventh shell (60622), and one end of the hammer sleeve (60610) is fixedly installed at the lower end of the seventh shell (60622); the other end face of the hammer sleeve (60610) is provided with a double-insection thread, and the hammer sleeve (60610) penetrates through the sixth shell (6064).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114074239A (en) * | 2021-11-30 | 2022-02-22 | 北京卫星制造厂有限公司 | Pipeline welding device and method for welding pipeline |
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| CN112108811B (en) | 2021-09-10 |
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