CN117260138B - Flexible welding fixture for floor of railway passenger car - Google Patents
Flexible welding fixture for floor of railway passenger car Download PDFInfo
- Publication number
- CN117260138B CN117260138B CN202311543235.0A CN202311543235A CN117260138B CN 117260138 B CN117260138 B CN 117260138B CN 202311543235 A CN202311543235 A CN 202311543235A CN 117260138 B CN117260138 B CN 117260138B
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- piece
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- screw rod
- frame
- sliding block
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- 238000003466 welding Methods 0.000 title claims abstract description 76
- 230000007246 mechanism Effects 0.000 claims abstract description 51
- 238000004140 cleaning Methods 0.000 claims abstract description 36
- 238000007664 blowing Methods 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 15
- 238000005554 pickling Methods 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 238000007790 scraping Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- 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
Abstract
The invention discloses a flexible welding fixture for a floor of a railway carriage, which relates to the technical field of machining of parts of railway carriages and comprises a supporting table, an upper fixture, a clamping assembly, a supporting piece, a moving piece, a blowing machine and the like, wherein the supporting table is connected with the supporting piece, the supporting piece is rotationally connected with a rotary screw rod, the supporting piece is slidably connected with the moving piece, the moving piece is in threaded connection with the rotary screw rod, and the top of the moving piece is connected with the blowing machine. According to the invention, the blower is controlled to move left and right by the driving motor, the blower can automatically blow out air to blow off welding residues on the supporting table and the upper clamp, and residues in relatively small gaps on the supporting table and the upper clamp can be cleaned by the local cleaning mechanism.
Description
Technical Field
The invention relates to the technical field of processing of parts of railway coaches, in particular to a flexible welding fixture for floors of railway coaches.
Background
The railway passenger car floor is welded on the car body framework, and in the welding process of the railway passenger car floor, the passenger car floor and the car body framework are required to be respectively clamped together so as to realize the welding of the passenger car floor and the car body framework together, and the passenger car floor and the car body framework are clamped and positioned by using flexible welding clamps at present.
Patent publication number is CN 210731458U's patent discloses a floor flexible welding jig, including being used for the last anchor clamps of fixed floor and being used for through being connected with last anchor clamps, with the lower anchor clamps that floor and lower automobile body skeleton were assembled, go up anchor clamps and lower anchor clamps and dismantle the connection, among the above-mentioned combination welding jig, go up the anchor clamps and install on lower anchor clamps after pressing from both sides the floor location clamp, lower anchor clamps are through pressing from both sides the clamp in order to accomplish the automobile body welding to last anchor clamps.
When the welding jig is used, the car body framework is firstly placed on the bracket of the lower clamp, the part to be assembled is close to the bracket, then the floor is fixed by the upper clamp, then the lower clamp is positioned and clamped to clamp the upper clamp, the upper clamp is positioned and clamped to clamp the floor, the car body framework and the floor can be respectively positioned, then the welding treatment can be carried out, but in the welding process, the welded residues form solid particles on the surface of the welding line, and the particles adhere to the welding clamp in the welding process due to overhigh temperature, if the welding clamp is not cleaned timely, the normal use of the welding clamp can be influenced, the welding residues cannot be cleaned by the conventional flexible welding clamp, other cleaning tools are required to be used for cleaning, and the flexible welding clamp for the railway passenger car floor, which can be convenient for cleaning the welding residues on the welding clamp, is very troublesome, is developed.
Disclosure of Invention
In order to overcome the defect that the existing flexible welding fixture cannot clean welding residues, people are required to clean the welding residues by using other cleaning tools, and the defect of being very troublesome is overcome, the flexible welding fixture for the floor of the railway passenger car is provided, and the welding residues on the welding fixture can be cleaned conveniently.
The technical implementation scheme of the invention is as follows: the flexible welding fixture for the floor of the railway passenger car comprises a supporting table, an upper fixture and a clamping assembly, wherein the top of the supporting table is connected with the upper fixture, the supporting table is provided with a plurality of clamping assemblies, the flexible welding fixture further comprises a supporting piece, a rotating screw rod, a moving piece, a driving motor, a blowing machine and a local cleaning mechanism, the supporting table is connected with the supporting piece, the supporting piece is rotationally connected with the rotating screw rod, the supporting piece is connected with the moving piece in a sliding mode, the moving piece is connected with the rotating screw rod in a threaded mode, the supporting piece is connected with the driving motor, an output shaft of the driving motor is fixedly connected with the rotating screw rod, the top of the moving piece is connected with the blowing machine, the blowing machine is used for blowing welding residues down, the blowing machine is provided with the local cleaning mechanism, and the local cleaning mechanism is used for carrying out local cleaning on the upper fixture and the supporting table;
the local cleaning mechanism comprises a hose, a vent pipe and a placing frame, the air blower is communicated with the hose, the hose is communicated with the vent pipe, and one side, close to the vent pipe, of the air blower is connected with the placing frame;
the air blower is provided with a plurality of equally-spaced air blowing openings, and all the air blowing openings are arranged in a straight line.
In addition, particularly preferred is that the flexible welding fixture for the floor of the railway carriage is further provided with a tilting mechanism for driving the supporting platform to tilt rotationally, the tilting mechanism is arranged on the supporting platform and comprises a fixing piece, a moving screw rod, a rotating piece, a supporting frame, a rotating frame, a driving gear, a transmission gear, a connecting piece and a clamping component, the supporting piece is far away from the rotating screw rod, one side of the rotating piece is rotationally connected with the fixing piece, the supporting piece is close to one side of the moving piece and is connected with the supporting frame, the rotating piece is rotationally connected with the rotating piece, the moving screw rod penetrates through the supporting frame and is close to one side of the moving piece, the moving screw rod is connected with the moving piece, the rotating frame penetrates out of the rotating frame, the rotating frame is provided with clamping grooves, the supporting piece is connected with the connecting piece symmetrically arranged, the transmission gear symmetrically arranged between the connecting piece is connected with the rotating frame through a rotating rod, the driving gear is connected with the clamping piece, and the driving gear is close to the rotating frame and is meshed with the clamping piece.
In addition, it is particularly preferred that the clamping assembly comprises a first electric sliding block and a limiting spring, the first electric sliding block is connected to the connecting piece close to one side of the movable screw in a sliding manner, the first electric sliding block is matched with the clamping groove in a clamping manner, the first electric sliding block is electrically connected with the external control system, and the limiting spring is connected between the first electric sliding block and the connecting piece close to one side of the movable screw.
In addition, particularly preferred is that the flexible welding fixture for the floor of the railway carriage further comprises a shoveling mechanism, the shoveling mechanism is used for shoveling welding residues on the supporting table and the upper fixture, the shoveling mechanism is arranged on the right part of the moving part and comprises a multistage electric push rod, a scraper and an adjusting assembly, the moving part is connected with the adjusting assembly, the adjusting assembly is provided with the multistage electric push rod, the adjusting assembly is used for adjusting the height of the multistage electric push rod, and the multistage electric push rod is connected with the scraper.
In addition, it is particularly preferred that the adjusting assembly comprises a fixing frame, a sliding block and an adjusting screw rod, the moving part is provided with the fixing frame, the fixing frame is connected with the sliding block in a sliding mode, the sliding block is connected with the multi-stage electric push rod, the fixing frame is connected with the adjusting screw rod in a rotating mode, and the adjusting screw rod is connected with the sliding block in a threaded mode.
In addition, particularly preferred is that the flexible welding fixture for the floor of the railway passenger car further comprises a pickling mechanism, wherein the pickling mechanism is used for pickling the supporting table and the upper fixture, the pickling mechanism is arranged on the sliding block and comprises a liquid storage tank, a multi-stage telescopic pipe, a connecting frame, a spray head and a connecting plate, the sliding block is connected with the connecting plate, one side, far away from the sliding block, of the connecting plate is connected with the liquid storage tank, the liquid storage tank is used for storing an acid solvent, the bottom of the liquid storage tank is communicated with the multi-stage telescopic pipe, one side, far away from the liquid storage tank, of the multi-stage telescopic pipe is connected with the spray head, one side, close to the spray head, of the multi-stage electric push rod is connected with the connecting frame, and the connecting frame is connected with the spray head.
In addition, particularly preferred is that the flexible welding fixture for the floor of the railway carriage further comprises a supporting mechanism for supporting the supporting table, the supporting mechanism is arranged on two sides of the supporting table and comprises a connecting rod, a second electric sliding block and a linear spring, the fixing piece is connected with the symmetrically arranged connecting rod, the connecting rod is connected with the second electric sliding block in a sliding mode and used for reinforcing and supporting the supporting table, and the second electric sliding block is electrically connected with an external control system, and the linear spring is connected between the second electric sliding block and the fixing piece.
In addition, particularly preferred is that flexible welding jig on railway passenger car floor still includes leading truck, extensible member and clearance brush, the mount top is connected with the leading truck, the leading truck slidingtype is connected with the extensible member, the extensible member is close to scraper one side is connected with the clearance brush, the clearance brush is used for carrying out the clearance to the scraper.
The invention has the beneficial effects that:
according to the invention, the blower is controlled to move left and right by the driving motor, the blower can automatically blow out air to blow off welding residues on the supporting table and the upper clamp, and residues in relatively small gaps on the supporting table and the upper clamp can be cleaned by the local cleaning mechanism;
when the moving piece moves right, the moving screw rod is driven to move right, the moving screw rod drives the two rotating frames to rotate clockwise through the driving gear and the transmission gear, and the rotating frames can slowly rotate and incline the front part of the supporting table, so that residues on the supporting table and the upper clamp are dumped;
according to the invention, the sliding block and the scraper are driven to move up and down to the front of the adhesion position by the adjusting screw rod, and then the scraper is controlled to move back and forth by the multistage electric push rod, so that the adhesion object can be conveniently shoveled off by the scraper;
according to the invention, after the support table rotates upwards and inclines and the second electric sliding block is separated, the second electric sliding block moves to the side close to each other, so that the support table is supported, and the stable support table can be reinforced.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a partial perspective structure of the present invention;
FIG. 3 is a schematic perspective view of the support, rotary screw, and moving parts of the present invention;
FIG. 4 is a schematic perspective view of the blower, hose and vent pipe of the present invention;
FIG. 5 is a schematic perspective view of a tilting mechanism according to the present invention;
FIG. 6 is a schematic view of a perspective view of a tilting mechanism part of the present invention;
FIG. 7 is a schematic perspective view of the moving screw, rotating member and support frame of the present invention;
FIG. 8 is a schematic perspective view of the driving gear, the transmission gear and the connecting member of the present invention;
FIG. 9 is a schematic perspective view of a removing mechanism according to the present invention;
FIG. 10 is a partial perspective cross-sectional view of the stripping mechanism of the present invention;
FIG. 11 is a schematic perspective view of the pickling mechanism of the present invention;
FIG. 12 is a schematic view of a first perspective view of a support mechanism according to the present invention;
FIG. 13 is a schematic view of a second perspective view of the support mechanism of the present invention;
fig. 14 is a schematic perspective view of the guide frame, the telescopic member, the cleaning brush and other components of the present invention.
Reference numerals in the figures: 1_support table, 11_upper clamp, 12_clamping assembly, 13_support, 14_rotating screw, 15_moving member, 16_drive motor, 17_blower, 18_hose, 19_vent tube, 110_mount, 2_mount, 21_moving screw, 22_rotating member, 23_support frame, 24_rotating frame, 25_first electric slide, 26_limit spring, 27_drive gear, 28_drive gear, 29_connector, 3_mount, 31_multi-stage electric push rod, 32_slider, 33_adjust screw, 34_doctor, 4_reservoir, 41_multi-stage bellows, 42_connector, 43_shower head, 44_connecting plate, 5_connecting rod, 51_second electric slide, 52_linear spring, 6_guide frame, 61_telescoping member, 62_cleaning brush.
Detailed Description
Reference herein to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Example 1:
1-4, the flexible welding fixture of the floor of the railway passenger car, as shown in figure 1-4, including supporting table 1, upper clamp 11, clamp assembly 12, support piece 13, rotary screw 14, moving piece 15, drive motor 16, blower 17 and partial cleaning mechanism, the top of supporting table 1 fixedly connects with upper clamp 11, the upper left and right sides of upper portion of supporting table 1 symmetrically has clamp assembly 12, can clamp the car body skeleton between clamp assembly 12 and upper clamp 11 mutually, the front lower part of supporting table 1 welds and has support piece 13, there is rotary screw 14 between the left and right sides of support piece 13, the rear portion of support piece 13 is slidably connected with moving piece 15, the front portion of moving piece 15 and rotary screw 14 are screwed, the left side of support piece 13 has drive motor 16 through the bolted connection, the right part of output shaft of drive motor 16 is fixedly connected with blower 17 used for making upper clamp 11 and welding residues on supporting table 1 fall through the left end of the coupler, the rear portion of blower 17 has a plurality of equidistant clamps from top to bottom, a plurality of partial blowing openings are arranged in order to the upper portion of supporting table 1, all right side of the clamps are arranged to be high and the partial cleaning mechanism is used for cleaning the blowing openings 11 is formed; the local cleaning mechanism comprises a hose 18, a vent pipe 19 and a placing frame 110, wherein the hose 18 is communicated with the right upper part of the air blower 17, the vent pipe 19 is communicated with the lower part of the hose 18, the placing frame 110 is connected with the right lower part of the air blower 17, and the vent pipe 19 can be placed on the placing frame 110;
when the flexible welding fixture for the railway passenger car floor is used, the passenger car floor is horizontally placed on the upper part of the supporting table 1, then the car body framework is placed on the upper fixture 11, the bottom of the car body framework is attached to the top of the passenger car floor, then the clamping assembly 12 is controlled to be pressed down to fixedly clamp the top of the car body framework, the bottom of the car body framework and the passenger car floor can be clamped and positioned together, then the car body framework and the passenger car floor are welded together, welding residues possibly appear in the welding process, when people weld the passenger car floor, after the welding is finished, the car body framework is moved upwards by controlling the clamping assembly 12 to loosen the car body framework, people can take down the car body framework and the passenger car floor, then the supporting table 1 and the upper fixture 11 can be cleaned, the driving motor 16 and the blower 17 are started, and the output shaft of the driving motor 16 rotates positively and negatively to drive the rotary screw 14 to rotate positively and negatively, the rotating screw rod 14 drives the moving member 15 to move left and right, the moving member 15 moves left and right to drive the blower 17 to move left and right, the blower 17 can blow off welding residues on the supporting table 1 and the upper clamp 11, all the air blowing ports are arranged in a straight line, and the height formed by all the air blowing ports is higher than that of the upper clamp 11, so that the welding residues on the supporting table 1 and the upper clamp 11 can be blown off more comprehensively, but because some tiny gaps exist on the supporting table 1 and the upper clamp 11, the welding residues in the tiny gaps are difficult to blow off by blowing by the blower 17, people can take down the air pipe 19 from the placing frame 110, then the air pipe 19 is aligned to the tiny gaps, air can be blown out from the air pipe 19 through the hose 18, the air pipe 19 can clean the welding residues locally, after cleaning is completed, the breather pipe 19 is replaced in the rack 110, and then the blower 17 and the drive motor 16 are turned off.
Example 2:
on the basis of the embodiment 1, as shown in fig. 5-8, the flexible welding fixture for the floor of the railway carriage also comprises a tilting mechanism, the tilting mechanism is arranged on the supporting platform 1, the tilting mechanism comprises a fixing piece 2, a moving screw 21, a rotating piece 22, a supporting frame 23, a rotating frame 24, a driving gear 27, a transmission gear 28, a connecting piece 29 and a clamping component, the fixing piece 2 is rotationally connected at the rear lower part of the supporting piece 13, the supporting frame 23 is connected at the left part of the supporting piece 13, the rotating piece 22 is rotationally connected inside the supporting frame 23, the moving screw 21 is in threaded connection at the middle part of the rotating piece 22, the moving screw 21 passes through the left part of the supporting frame 23, the right end of the moving screw 21 is connected with the left part of the moving piece 15, the rotating frame 24 is fixedly connected at the left part of the rotating piece 22, the left part of the moving screw 21 passes through the rotating frame 24 leftwards, the front lower part of the rotating frame 24 is provided with a clamping groove, the supporting piece 13 on the right side is also rotationally connected with the rotating frame 24, when the moving piece 15 moves right to drive the moving screw 21 to move right, the moving screw 21 drives the rotating piece 22 to rotate, the rotating piece 22 drives the rotating frame 24 to rotate and then to extrude with the fixing piece 2, the front part of the supporting table 1 is lifted upwards and inclined through the rotating frame 24, so that welding residues are convenient to pour, the supporting pieces 13 on the left side and the right side are both connected with connecting pieces 29, a rotating rod is rotationally connected between the connecting pieces 29, the left side and the right side of the rotating rod are both connected with transmission gears 28, the outer side of the rotating frame 24 is both connected with a driving gear 27, the driving gear 27 is meshed with the transmission gears 28, and the left part of the supporting piece 13 is provided with a clamping component for clamping the rotating frame 24; the clamping assembly comprises a first electric sliding block 25 and a limiting spring 26, wherein a connecting piece 29 at the left part is connected with the first electric sliding block 25 in a sliding manner, the front part of the first electric sliding block 25 is matched with a clamping groove of the rotating frame 24 in a clamping manner, the first electric sliding block 25 is electrically connected with an external control system, and the limiting spring 26 is connected between the connecting piece 29 at the rear part and the left part of the first electric sliding block 25;
initially, the first electric sliding block 25 is in a state of being pushed backwards, the limiting spring 26 is in a stretched state, when the moving member 15 moves rightwards, the moving screw 21 is driven to move rightwards, in the rightward moving process of the moving screw 21, because the moving screw 21 is in threaded connection with the rotating member 22, the moving screw 21 drives the rotating member 22 at the left to rotate clockwise for 180 degrees, after the rotating member 22 at the left rotates clockwise for 180 degrees, the clamping groove just rotates to be aligned with the first electric sliding block 25, the first electric sliding block 25 moves forwards and is clamped into the clamping groove, so that the first electric sliding block 25 can clamp the rotating member 24 at the left, the rotating member 22 at the left rotates clockwise for 180 degrees, the driving gear 27, the transmission gear 28 and the rotating rod drive the rotating member 22 at the right to rotate clockwise for 180 degrees, and thus, the two rotating members 24 respectively squeeze the fixed member 2, since the fixing piece 2 is placed on the ground, the fixing piece 2 and the supporting table 1 are connected in a rotating way, when the rotating frame 24 rotates clockwise for 180 degrees, the front part of the supporting table 1 is lifted upwards and inclined slowly, so that the upper clamp 11 is also in an inclined state, residues on the upper clamp 11 and the supporting table 1 can be inclined and poured out backwards and downwards, so as to clean the residues, if the cleaning is finished, the first electric sliding block 25 can be controlled by the external control system to automatically move backwards and separate the clamping groove, the limiting spring 26 is stretched, then when the moving piece 15 moves leftwards to drive the moving screw 21 to move leftwards for reset, the moving screw 21 drives the rotating piece 22 and the rotating frame 24 at the left part to rotate anticlockwise for reset again, the driving gear 27 and the driving gear 28 drive the rotating frame 24 at the right part to rotate anticlockwise for reset, the supporting table 1 can automatically swing downwards to reset due to self gravity; in combination, the support table 1 can be automatically rotated and tilted during the process of blowing and cleaning residues, so that the residues can be poured out.
As shown in fig. 9-10, the flexible welding fixture for the rail bus floor further comprises a removing mechanism for removing welding residues on the supporting table 1 and the upper fixture 11, the removing mechanism is arranged at the right part of the moving part 15 and comprises a fixed frame 3, a multi-stage electric push rod 31, a sliding block 32, an adjusting screw 33 and a scraper 34, the fixed frame 3 is arranged at the right part of the moving part 15, the sliding block 32 is connected to the fixed frame 3 in a sliding manner, the adjusting screw 33 is rotatably connected to the left part of the fixed frame 3, the adjusting screw 33 is in threaded connection with the sliding block 32, the multi-stage electric push rod 31 is arranged on the sliding block 32, the scraper 34 is controlled to move back and forth through the multi-stage electric push rod 31, and the scraper 34 can remove the welding residues on the supporting table 1 and the upper fixture 11;
in the welding process, welding rods are easy to adhere to the supporting table 1 and the upper clamp 11 after being melted, the welding rods are firmly adhered to the supporting table 1 and the upper clamp 11 after being cooled, so that the welding rods cannot be blown off through blowing, people can use a shoveling mechanism to adjust the positions of the multistage electric push rods 31 and the scrapers 34 according to the adhered positions, the fixed frame 3 and the multistage electric push rods 31 can be driven to move when the moving part 15 moves, the moving part 15 can be controlled to stop moving through the driving motor 16 when the scrapers 34 move to the front of the adhered positions, then people can drive the sliding blocks 32 to move up and down through rotating the adjusting screw 33, the sliding blocks 32 can drive the multistage electric push rods 31 and the scrapers 34 to move up and down, and when the scrapers 34 move to the positions close to the adhered positions, the scrapers 34 can be controlled to move back and forth through the multistage electric push rods 31, and the sticky objects can be shoveled off conveniently.
As shown in fig. 11, the flexible welding fixture for the rail bus floor further comprises a pickling mechanism for pickling the supporting table 1 and the upper fixture 11, wherein the pickling mechanism is arranged on the sliding block 32 and comprises a liquid storage tank 4, a multi-stage telescopic pipe 41, a connecting frame 42, a spray head 43 and a connecting plate 44, the upper front part of the sliding block 32 is connected with the connecting plate 44, the front part of the connecting plate 44 is connected with the liquid storage tank 4 for storing acid solvent, the bottom of the liquid storage tank 4 is communicated with the multi-stage telescopic pipe 41, the rear part of the multi-stage telescopic pipe 41 is connected with the spray head 43, the rear part of the multi-stage electric push rod 31 is connected with the connecting frame 42, and the right part of the connecting frame 42 is connected with the spray head 43;
when the welding residues are cleaned, the welding residues can be washed by using an acid solvent, the welding residues can be softened by using the acid solvent, so that the scraper 34 can be closer to the scraping position, the scraping is more convenient, for example, hydrochloric acid, nitric acid and the like are adopted as the acid solvent for cleaning welding residues commonly used in the market, the top of the liquid storage tank 4 is communicated with an external water pump pipeline at first, then the external water pump is started, the acid solvent is sprayed backwards from the spray nozzle 43 through the multistage telescopic pipe 41, the welding residues are washed and softened, the connecting frame 42 and the spray nozzle 43 are driven to move forwards and backwards while the scraper 34 is controlled by the multistage electric push rod 31, the sprayed acid solvent can be closer to the scraping position, the scraping is more convenient, and the external water pump is closed and the top of the liquid storage tank 4 is disconnected from the external water pump pipeline after the cleaning is completed.
As shown in fig. 12-13, the flexible welding fixture for the floor of the railway carriage further comprises a supporting mechanism, the supporting mechanism is arranged at the left side and the right side of the supporting table 1, the supporting mechanism comprises a connecting rod 5, a second electric sliding block 51 and linear springs 52, the connecting rod 5 is welded at the left side and the right side of the fixing piece 2, the second electric sliding block 51 for reinforcing the supporting table 1 is connected to the connecting rod 5 in a sliding manner, the second electric sliding block 51 is electrically connected with an external control system, and two linear springs 52 are connected between one side, away from each other, of the second electric sliding block 51 and the fixing piece 2;
initially, the linear spring 52 is in a compressed state, after the front part of the supporting table 1 rotates upwards and inclines and the second electric sliding block 51 is separated, the second electric sliding block 51 moves to the side close to each other, the second electric sliding block 51 moves to the lower part of the supporting table 1, the top of the second electric sliding block 51 can be in contact with the bottom of the supporting table 1, the supporting table 1 can be supported in a reinforced manner, the supporting table 1 is stabilized, after the cleaning work is completed, the second electric sliding block 51 can be controlled by an external control system to automatically move to the side far away from each other for resetting, the supporting table 1 is not supported, and the linear spring 52 is compressed.
As shown in fig. 14, the flexible welding fixture for the floor of the railway carriage further comprises a guide frame 6, a telescopic piece 61 and a cleaning brush 62, wherein the top of the fixed frame 3 is connected with the guide frame 6, the rear part of the guide frame 6 is connected with the telescopic piece 61 in a sliding manner, and the bottom of the telescopic piece 61 is connected with the cleaning brush 62 for cleaning the scraper 34;
after the sticky objects are removed by the scraper 34, some sticky objects are adhered to the scraper 34, the sticky objects can affect the scraper 34 to remove the sticky objects, so that people can clean the scraper 34, after the scraper 34 moves and resets, the scraper 34 is attached to the bottom of the cleaning brush 62, people can manually clean the sticky objects on the scraper 34 by moving the cleaning brush 62 left and right and up and down, and when the cleaning brush 62 moves up and down, the telescopic piece 61 can adaptively stretch.
It is to be understood that the above description is intended to be illustrative only and is not intended to be limiting. Those skilled in the art will appreciate variations of the present invention that are intended to be included within the scope of the claims herein.
Claims (6)
1. The utility model provides a flexible welding jig of railway passenger train floor, includes brace table (1), goes up anchor clamps (11) and clamping component (12), brace table (1) top is connected with go up anchor clamps (11), brace table (1) are provided with a plurality of clamping component (12), its characterized in that: the automatic welding device comprises a supporting piece (13), a rotating screw rod (14), a moving piece (15), a driving motor (16), a blowing machine (17) and a local cleaning mechanism, wherein the supporting piece (13) is connected with the supporting piece (13), the rotating screw rod (14) is rotatably connected with the supporting piece (13), the moving piece (15) is slidably connected with the rotating screw rod (14), the moving piece (15) is in threaded connection with the rotating screw rod (14), the driving motor (16) is connected with the supporting piece (13), an output shaft of the driving motor (16) is fixedly connected with the rotating screw rod (14), the blowing machine (17) is connected to the top of the moving piece (15), the blowing machine (17) is used for blowing off welding residues, and the blowing machine (17) is provided with the local cleaning mechanism which is used for locally cleaning the upper clamp (11) and the supporting piece (1);
the local cleaning mechanism comprises a hose (18), a vent pipe (19) and a placing frame (110), wherein the hose (18) is communicated with the air blower (17), the vent pipe (19) is communicated with the hose (18), and one side, close to the vent pipe (19), of the air blower (17) is connected with the placing frame (110);
the air blower (17) is provided with a plurality of equally-spaced air blowing openings, and all the air blowing openings are arranged in a straight line;
the tilting mechanism is arranged on the supporting table (1), and comprises a fixing piece (2), a movable screw rod (21), a rotary piece (22), a supporting frame (23), a rotary frame (24), a driving gear (27), a transmission gear (28), a connecting piece (29) and a clamping component, wherein the rotary piece (13) is far away from the rotary screw rod (14), the fixing piece (2) is rotationally connected to one side of the supporting piece (13) close to the movable piece (15), the supporting frame (23) is rotationally connected with the rotary piece (22), the rotary piece (22) is in threaded connection with the movable screw rod (21), the movable screw rod (21) penetrates through the supporting frame (23) to be close to one side of the movable piece (15), the movable screw rod (21) is connected with the movable piece (15), the rotary piece (22) is fixedly connected with the rotary frame (24), the movable screw rod (21) is connected with the rotary frame (24), the rotary frame (24) is symmetrically provided with the connecting piece (29), the connecting pieces (29) are connected with symmetrically arranged transmission gears (28) through rotating rods, the rotating frame (24) is connected with the driving gears (27), the driving gears (27) are meshed with the transmission gears (28), the supporting pieces (13) are close to the clamping components arranged on one side of the movable screw rod (21), and the clamping components are used for clamping the rotating frame (24);
the clamping component comprises a first electric sliding block (25) and a limiting spring (26), wherein the connecting piece (29) close to one side of the movable screw rod (21) is connected with the first electric sliding block (25) in a sliding mode, the first electric sliding block (25) is matched with the clamping groove in a clamping mode, the first electric sliding block (25) is electrically connected with the external control system, and the limiting spring (26) is connected between the first electric sliding block (25) and the connecting piece (29) close to one side of the movable screw rod (21).
2. A flexible welding jig for a railway car floor as in claim 1 wherein: the device is characterized by further comprising a shoveling mechanism, wherein the shoveling mechanism is used for shoveling welding residues on the supporting table (1) and the upper clamp (11), the shoveling mechanism is arranged on the right part of the moving part (15), the shoveling mechanism comprises a multi-stage electric push rod (31), a scraper (34) and an adjusting assembly, the moving part (15) is connected with the adjusting assembly, the adjusting assembly is provided with the multi-stage electric push rod (31), the adjusting assembly is used for adjusting the height of the multi-stage electric push rod (31), and the multi-stage electric push rod (31) is connected with the scraper (34).
3. A flexible welding jig for a railway car floor as claimed in claim 2, wherein: the adjusting assembly comprises a fixing frame (3), a sliding block (32) and an adjusting screw rod (33), wherein the moving part (15) is provided with the fixing frame (3), the fixing frame (3) is connected with the sliding block (32) in a sliding mode, the sliding block (32) is connected with the multistage electric push rod (31), the fixing frame (3) is connected with the adjusting screw rod (33) in a rotating mode, and the adjusting screw rod (33) is connected with the sliding block (32) in a threaded mode.
4. A flexible welding jig for a railway car floor as claimed in claim 3, wherein: the pickling device is characterized by further comprising a pickling mechanism, wherein the pickling mechanism is used for pickling the supporting table (1) and the upper clamp (11), the pickling mechanism is arranged on the sliding block (32), the pickling mechanism comprises a liquid storage tank (4), a multistage telescopic pipe (41), a connecting frame (42), a spray head (43) and a connecting plate (44), the sliding block (32) is connected with the connecting plate (44), the connecting plate (44) is far away from the side of the sliding block (32) and is connected with the liquid storage tank (4), the liquid storage tank (4) is used for storing acid solvents, the bottom of the liquid storage tank (4) is communicated with the multistage telescopic pipe (41), the multistage telescopic pipe (41) is far away from the side of the liquid storage tank (4) and is connected with the spray head (43), the multistage electric push rod (31) is close to the side of the spray head (43) and is connected with the connecting frame (42), and the connecting frame (42) is connected with the spray head (43).
5. A flexible welding jig for a railway car floor as in claim 4 wherein: the support device is characterized by further comprising support mechanisms used for supporting the support table (1), wherein the support mechanisms are arranged on two sides of the support table (1) and comprise connecting rods (5), second electric sliding blocks (51) and linear springs (52), the fixing pieces (2) are connected with the connecting rods (5) which are symmetrically arranged, the connecting rods (5) are connected with the second electric sliding blocks (51) in a sliding mode and used for reinforcing and supporting the support table (1), the second electric sliding blocks (51) are connected with an external control system through electric connection, and the linear springs (52) are connected between the second electric sliding blocks (51) and the fixing pieces (2).
6. A flexible welding jig for a railway car floor as in claim 5 wherein: still including leading truck (6), extensible member (61) and cleaning brush (62), mount (3) top is connected with leading truck (6), leading truck (6) slidingtype be connected with extensible member (61), extensible member (61) are close to scraper (34) one side is connected with cleaning brush (62), cleaning brush (62) are used for right scraper (34) are cleared up.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311543235.0A CN117260138B (en) | 2023-11-20 | 2023-11-20 | Flexible welding fixture for floor of railway passenger car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311543235.0A CN117260138B (en) | 2023-11-20 | 2023-11-20 | Flexible welding fixture for floor of railway passenger car |
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| CN117260138A CN117260138A (en) | 2023-12-22 |
| CN117260138B true CN117260138B (en) | 2024-01-16 |
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| CN202311543235.0A Active CN117260138B (en) | 2023-11-20 | 2023-11-20 | Flexible welding fixture for floor of railway passenger car |
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| JPH10176212A (en) * | 1996-12-18 | 1998-06-30 | Sumitomo Metal Ind Ltd | Method for preventing flow-out of slag at the time of discharging molten steel |
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| CN116899448A (en) * | 2023-08-15 | 2023-10-20 | 江西鸿力达实业有限公司 | Raw material mixing machine for producing aqueous auxiliary agent for synthetic leather |
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|---|---|
| CN117260138A (en) | 2023-12-22 |
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