CN114850764A - Floor welding position frock behind automobile body - Google Patents
Floor welding position frock behind automobile body Download PDFInfo
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- CN114850764A CN114850764A CN202210606158.8A CN202210606158A CN114850764A CN 114850764 A CN114850764 A CN 114850764A CN 202210606158 A CN202210606158 A CN 202210606158A CN 114850764 A CN114850764 A CN 114850764A
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- 238000003466 welding Methods 0.000 title claims abstract description 123
- 230000005484 gravity Effects 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 96
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000008439 repair process Effects 0.000 abstract description 8
- 230000000087 stabilizing effect Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
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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
- B23K37/0408—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work for planar work
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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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a welding and positioning tool for a rear floor of a vehicle body, which comprises: a welding platform; the frame is arranged above the welding platform in a lifting manner and used for jacking and positioning the rear floor of the vehicle body; the part or the whole of the cylinder body of the jacking cylinder is positioned below the welding platform, and the piston of the jacking cylinder is fixedly connected with the gravity center part of the frame and used for jacking the frame. According to the invention, the frame and the jacking cylinder for jacking the rear floor of the automobile body are arranged in the center of the welding platform, so that the rear floor of the automobile body is lifted to a high position for repair welding, and welding operation is performed at a low position, thereby completing 160 welding points on the same platform tool at one time.
Description
Technical Field
The invention belongs to the technical field of industrial robots, and particularly relates to a welding and positioning tool for a rear floor of a vehicle body.
Background
In a body-in-white manufacturing line, the rear floor of the vehicle body is usually welded by welding as many as 160 welding spots. Usually, welding is performed on a platform tool, but the welding platform tool is often covered with various positioning welding clamping mechanisms, so that space limitation is caused, and 160 welding points cannot be completed at one time. And the welding of all welding spots can be completed only by transferring the white rear floor to the next welding platform tool for repair welding.
Disclosure of Invention
The invention aims to solve the technical problem that the prior art cannot perform all welding on the same welding platform tool in one step, and aims to provide a general positioning tool for integrally designing a welding positioning tool and a repair welding positioning tool for a rear floor of a vehicle body, namely, welding and repair welding are performed on the same tool platform, and all welding points of 160 are welded on the same tool platform without transferring to the next welding platform for repair welding.
The welding and positioning tool for the rear floor of the vehicle body comprises:
a welding platform;
the frame is arranged above the welding platform in a lifting manner and used for jacking and positioning the rear floor of the vehicle body;
the part or the whole of the cylinder body of the jacking cylinder is positioned below the welding platform, and the piston of the jacking cylinder is fixedly connected with the gravity center part of the frame and used for jacking the frame.
Preferably, floor welding position frock includes a jacking dimension steady unit behind the automobile body, jacking dimension steady unit has:
the pair of slide rail mechanisms are symmetrically and vertically fixed on the upper surface of the welding platform, and each slide rail mechanism is provided with a slide rail which is vertically positioned on the upper surface of the welding platform;
the pair of pulley mechanisms are symmetrically and fixedly arranged on two opposite sides of the bottom of the frame, each pulley mechanism is provided with a pulley, and the pulleys are slidably clamped on a slide rail of the slide rail mechanism and can slide up and down along the slide rail; the frame can be stably jacked by the jacking cylinder without shaking.
Preferably, the first and second liquid crystal display panels are,
the slide rail mechanism further has: the vertical U-shaped groove box, an upper cover plate and a lower cover plate; the groove box is fixed on the upper surface of the welding platform through a groove box bracket, the slide rail is fixed on the inner side wall of the U-shaped groove box, and the upper cover plate and the lower cover plate are arranged on the groove box in a back-and-forth switching manner in the lifting and descending processes of the frame platform;
the pulley mechanism further has: a U-shaped square box; the square box is fixed at the bottom of the frame through the square box support, the pulleys are arranged in the square box and fixed on two opposite side walls of the square box through two ends of a wheel shaft, the bottom end of the upper cover plate is fixed at the upper end of the square box, the top end of the lower cover plate is fixed at the lower end of the square box, and the frame drives the pulleys of the pulley mechanism to ascend and descend, so that the upper cover plate and the lower cover plate are switched back and forth to be covered on the groove box.
Preferably, floor welding position frock behind automobile body includes that the location clasps the mechanism, the location clasps the mechanism and has:
a pair of first upright posts symmetrically positioned at the peripheries of the other two opposite sides of the frame and fixed on the upper surface of the welding platform;
and the positioning mechanisms are respectively provided with a positioning pin and a positioning hole, the positioning pins are respectively fixed on the other two opposite sides of the bottom of the frame, the positioning holes are respectively arranged below the tops of the first upright posts, and the positioning pins can be inserted into the positioning holes to position the whole frame.
Preferably, the positioning and clasping mechanism further comprises:
the pair of second upright posts are symmetrically positioned on the peripheries of two opposite sides of the frame and fixed on the upper surface of the welding platform;
two pairs of clasping locking mechanisms, each having:
the clamping blocks are respectively fixed on the bottoms of the four sides of the frame;
the upper limiting block is respectively fixed below the tops of the first upright post and the second upright post, corresponds to the clamping block in the vertical direction, and can limit the clamping block which is at a high position after jacking;
and the clamping cylinder is respectively fixed on the side surfaces of the tops of the first stand column and the second stand column, and can tightly lock the clamping block on the upper limiting block.
Preferably, the clasping and locking mechanisms each further have:
and the lower limiting block is fixed on the upper surface of the welding platform, corresponds to the clamping block in the vertical direction, and can limit the clamping block which is positioned at a low position before jacking or after descending.
Preferably, the positioning and clasping mechanism comprises:
the positioning pins are fixed on the inner sides of the upper surfaces of the lower positioning supports, and the lower positioning supports are used for indirectly fixing the positioning pins on the upper surfaces of the bottom of the frame; the clamping blocks of one pair of holding locking mechanisms are respectively fixed on the outer sides of the upper surfaces of the pair of positioning lower supports; one pair of lower limiting blocks corresponds to the outer side positions of the lower surface of the lower positioning support in the vertical direction;
the positioning upper support is fixed at the top of the first upright, four cams which are enclosed into a circle are fixed on the inner side of the lower surface of the positioning upper support, the positioning holes are formed by the four cams which are enclosed into a circle, and the positioning holes are arranged below the top of the first upright through the positioning upper support and the four cams; the upper limiting blocks of the pair of holding locking mechanisms are respectively fixed on the outer side of the lower surface of the positioning upper support, and the clamping cylinders of the pair of holding locking mechanisms are fixed on the side wall of the positioning upper support.
Preferably, the positioning and clasping mechanism comprises:
the pair of lower limiting supports are respectively fixed on two opposite sides of the bottom of the frame, and the clamping blocks of the other pair of clasping and locking mechanisms are respectively fixed on the outer sides of the upper surfaces of the lower limiting supports; the other pair of lower limiting blocks corresponds to the outer side positions of the lower surface of the lower limiting support in the vertical direction;
the upper limiting supports are fixed to the tops of the second stand columns, the upper limiting blocks of the other pair of holding locking mechanisms are fixed to the lower surfaces of the upper limiting supports respectively, and clamping cylinders of the other pair of holding locking mechanisms are fixed to the side walls of the upper limiting supports.
Preferably, the frame has:
the horizontal bracket is provided with two parallel cross beams and two parallel longitudinal beams vertically connected between the two parallel cross beams;
the pair of L-shaped lower connecting frames are provided with cross arms and vertical arms fixedly connected to one ends of the cross arms, the top ends of the vertical arms are fixed to the lower surfaces of the middle parts of the longitudinal beams of the horizontal support, and the other ends of the cross arms are fixedly connected with lower positioning supports of the positioning and clasping mechanisms;
the top ends of the straight frames are respectively fixed on the lower surface of the middle part of the cross beam of the horizontal support, and the bottom ends of the straight frames are respectively and fixedly connected with a limiting lower support of the positioning and clasping mechanism and a square box support of the pulley mechanism;
the bottom ends of four of the five upper pillars are respectively fixed on the upper surfaces of two ends of two cross beams of the horizontal support, and the bottom end of the last upper pillar is fixed on the upper surface of the middle part of one of the cross beams; the top ends of two upper supporting columns in the five upper supporting columns are respectively provided with a positioning pin, the top ends of the remaining three upper supporting columns are respectively provided with a positioning block, and the top ends of the five upper supporting columns are used for positioning the rear floor of the vehicle body.
Preferably, the welding platform has:
the middle of the table panel is provided with a long through hole for the passing of a pair of L-shaped lower connecting frames of the framework and the jacking cylinder; two sides of the long through hole of the table panel are respectively provided with a small through hole, and the small through holes are used for a lower cover plate of the slide rail mechanism to pass through;
and the at least four supporting legs are respectively fixed below the four corners of the table top plate and used for supporting the welding platform.
Preferably, the floor welding position frock behind automobile body has:
and the positioning welding clamping mechanisms are fixed on the welding platform.
The positive progress effects of the invention are as follows:
1) the frame and the jacking cylinder for jacking the rear floor of the vehicle body are arranged in the center of the welding platform, so that the rear floor of the vehicle body is lifted to a high position for repair welding, and welding operation is performed at a low position, so that 160 welding points can be completed on the same platform tool at one time;
2) the two sides of the frame on the welding platform are provided with a sliding rail mechanism and a pulley mechanism, and the sliding rail mechanism slides up and down along the vertical direction through the pulley mechanism, so that the frame is limited and cannot shake in the jacking process;
3) positioning mechanisms are arranged on two sides of the frame on the welding platform, so that the frame which is at a high position after being jacked and a rear floor of a vehicle body can be positioned;
4) the two sides of the frame on the welding platform are provided with the holding locking mechanisms, so that the frame which is at a high position after jacking and is at a low position after descending and the floor behind the vehicle body can be limited and held tightly.
Drawings
FIG. 1 is a schematic perspective view of a welding and positioning tool for a rear floor of a vehicle body according to the present invention;
FIGS. 2 to 3 are schematic perspective views of a vehicle body rear floor welding positioning tool with a hidden positioning welding clamping mechanism 60;
fig. 4 is a schematic perspective view of the welding platform 10;
fig. 5 is a schematic perspective view of the combination of the frame 20, the jacking cylinder 30 and the jacking stabilizing unit 40;
fig. 6 is a schematic perspective view of the jacking stability maintaining unit 40;
FIG. 7 is a partially enlarged schematic view of FIG. 2;
FIG. 8 is a perspective view of the alternate angle of FIG. 5;
fig. 9 to 11 are schematic perspective views of the positioning and clasping mechanism 50.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific drawings.
As shown in fig. 1 to 3, the welding and positioning tool for the rear floor of the vehicle body of the invention comprises a welding platform 10, a frame 20, a jacking cylinder 30, a jacking maintenance unit 40, a positioning and clasping mechanism 50 and a plurality of positioning and welding clamping mechanisms 60. The positioning welding clamping mechanisms 60 are fixed on the welding platform 10, and the frame 20 is located in the center of the welding platform 10 and is located above the welding platform 10 in a lifting mode and used for jacking and positioning a rear floor of the automobile body. The part or all of the cylinder body of the jacking cylinder 30 is positioned below the welding platform 10, and the piston of the jacking cylinder 30 is fixedly connected with the gravity center part of the frame 20 and used for jacking the frame 20.
As shown in fig. 4, the welding platform 10 has a deck plate 11 and six support legs 12. The table top plate 11 is square, and the middle of the table top plate is provided with a long through hole 13 for a pair of L-shaped lower connecting frames of the framework 20 and the jacking air cylinder 30 to pass through; two sides of the long through hole 13 of the deck plate 11 are respectively provided with a small through hole 14, and the small through holes 14 are used for the lower cover plate of the sliding rail mechanism of the jacking stability maintaining unit 40 to pass through. Four of them supporting legs 12 are fixed respectively in the four corners below of deck plate 11, and two remaining supporting legs 12 can be fixed in the middle part below deck plate 11. Six support legs 12 support the welding platform 10. The tack welding clamping mechanisms 60 may be tack welding clamping mechanisms in the prior art, which are fixed to the welding platform 10 and distributed around the frame 20, and the tack welding clamping mechanisms 60 are used to tack-clamp the rear floor of the vehicle body at a low position, at which most of the welding spots on the rear floor of the vehicle body are welded.
Because the space of the welding point is limited at the low position, the frame 20 which can be jacked is arranged on the same welding platform 10, the rear floor of the vehicle body at the low position is lifted to a certain height, the welding point with the limited space can be released at the high position, and the residual welding points are subjected to repair welding, so that the welding of more than 160 welding points can be completed at one time.
Specifically, as shown in fig. 5, the frame 20 has a horizontal bracket including two parallel cross members 21 and two parallel longitudinal members 22 vertically connected between the two parallel cross members 21, and a reinforcing member is provided in the middle of the two parallel longitudinal members 22. The frame 20 is provided with a pair of L-shaped lower connecting frames which are positioned below the horizontal bracket, each L-shaped lower connecting frame is provided with a cross arm 23 and a vertical arm 24, one end of each cross arm 23 is fixedly connected with the bottom end of each vertical arm 24, and the top ends of the vertical arms 24 are fixed on the lower surfaces of the middles of the longitudinal beams 22 of the horizontal bracket. A pair of straight frames 25 of the frame 20 is also positioned below the horizontal support, the top ends of the straight frames 25 are respectively fixed on the lower surface of the middle part of the cross beam 21 of the horizontal support, and the bottom ends of the straight frames 25 are respectively and fixedly connected with a limiting lower support of the positioning clasping mechanism and a square box support of the pulley mechanism. Five upper struts 26 of the frame 20 are located above the horizontal support, the bottom ends of four of the five upper struts 26 are respectively fixed on the upper surfaces of two ends of two cross beams 21 of the horizontal support, and the bottom end of the last upper strut 26 is fixed on the upper surface of the middle part of one of the cross beams 21. The top ends of two of the five upper pillars 26 are respectively provided with a positioning pin 26a, the top ends of the remaining three upper pillars are respectively provided with a positioning block 26b, and the positioning pins 26a and the positioning blocks 26b at the top ends of the five upper pillars can position the rear floor of the vehicle body when the frame 20 is lifted up and is in a high position after being lifted up.
The jacking cylinder 30 has a cylinder body fixed on the ground, and the upper portion thereof passes through the long through hole 13 in the center of the welding platform 10. The upper end of the piston rod of the jacking cylinder 30 is fixed at the gravity center of the frame 20, and may be the lower surface of a reinforcing beam between the middle parts of the two parallel longitudinal beams 22 of the frame 20. The entire frame 20 can be lifted off the lower position to the upper position by the lifting cylinder 30.
In order to prevent the frame 20 from shaking during the lifting and lowering processes, the present invention provides a lifting and stabilizing unit 40, and as shown in fig. 6, the lifting and stabilizing unit 40 has a pair of slide rail mechanisms 41 symmetrically and vertically fixed on the upper surface of the welding platform 10. The slide rail mechanism 41 has a slide rail 411, a slot case 412, an upper cover 413, and a lower cover 414. The slide rail 411 is vertically positioned on the upper surface of the deck plate 11 of the welding platform 10. The trough 412 is U-shaped, and is vertically fixed on the upper surface of the deck plate 11 of the welding platform 10 through a trough support 412a, and is located in a mouth-shaped space formed by the two cross beams 21 and the two longitudinal beams 22, the slide rail 411 is fixed on the inner side wall of the U-shaped trough 412, and the upper cover plate 413 and the lower cover plate 414 are covered on the trough 412 in a back-and-forth switching manner in the process of jacking and descending the frame 20 to shield dust.
The jacking and stabilizing unit 40 is provided with a pair of pulley mechanisms 42 which are symmetrically and fixedly arranged on two opposite sides of the bottom of the frame 20 and are positioned in a mouth-shaped space formed by the two cross beams 21 and the two longitudinal beams 22. The pulley mechanism 42 has a pulley 421 and a square box 422. The square box support 422a is fixedly connected to the bottom of the straight frame 25 of the frame 20, and the square box 422 is U-shaped and fixed on the square box support 422 a. The pulley 421 sets up in square box 422 and fixes on the relative both sides wall of square box 422 through the both ends of shaft, and the bottom of upper cover plate 413 is fixed in the upper end of square box 422, and the top of lower cover plate 414 is fixed in the lower extreme of square box 422, and lower cover plate 414 can walk in the little through-hole 14 of welded platform 10. The pulley 421 is slidably engaged with the slide rail 411 of the slide rail mechanism 41 and can slide up and down along the slide rail 411; the frame 20 drives the pulley 421 of the pulley mechanism 42 to move up and down, so that the upper and lower cover plates 413 and 414 are switched to and fro to cover the slot 412, thereby preventing the sliding rail 411 from falling dust. The arrangement of the pulley mechanism 42 and the slide rail mechanism 41 can make the frame 20 be stably lifted by the lifting cylinder 30 without shaking.
In order to enable the floor to be in a stable state in the welding process before jacking and after jacking, the welding positioning tool further comprises a positioning and clasping mechanism 50. As shown in fig. 7 to 11, the positioning and clasping mechanism 50 has a pair of first upright posts 51 symmetrically located at two other opposite sides of the frame 20 and located at the periphery of the frame 20, and the first upright posts 51 are fixed on the upper surface of the deck plate 11 of the welding platform 10; a pair of second upright posts 52 are symmetrically located at two opposite sides of the frame 20 and at the periphery of the frame 20, and are not located at the same side as the first upright posts 51, and the second upright posts 52 are also fixed on the upper surface of the deck plate 11 of the welding platform 10.
The positioning clasping mechanism 50 has a pair of positioning mechanisms 53, and the positioning mechanisms 53 have a pair of positioning lower supports 531, a pair of positioning upper supports 532, a positioning pin 533, and a positioning hole 534, respectively. A pair of positioning lower supports 531 are respectively fixed on the other two opposite sides of the bottom of the frame 20, that is, the positioning lower supports 531 are fixed on the other end of the cross arm 23 of the L-shaped lower link of the frame 20. The positioning pin 533 is fixed to the inner side of the upper surface of the positioning lower support 531, and the positioning pin 533 is indirectly fixed to the upper surface of the bottom of the frame 20 through the positioning lower support 531. The pair of positioning upper supports 532 are respectively fixed on the lower surface of the top of the first upright 51, four cams 5321 which are enclosed into a circle are fixed on the inner side of the lower surface of the positioning upper supports 532, positioning holes 534 are formed by the four cams 5321 which are enclosed into a circle, and the positioning holes 534 are arranged on the lower surface of the top of the first upright 51 through the positioning upper supports 532 and the four cams 5321. When the frame 20 is at the raised high position, the positioning pin 533 is inserted into the positioning hole 534 to position the whole frame 20.
As shown in fig. 7 to 11, the positioning clasping mechanism 50 further includes two pairs of clasping locking mechanisms 54, and each clasping locking mechanism 54 includes a clamp block 541, an upper limit block 542, a clamp cylinder 543, and a lower limit block 544.
One pair of clamping blocks 541 of the clasping locking mechanism 54 close to the first upright 51 side are respectively fixed on the outer sides of the upper surfaces of the positioning lower supports 531; the upper limit blocks 542 of the clasping lock mechanism 54 are fixed to the outer side of the lower surface of the positioning upper bracket 532, and the clamp cylinder 543 of the clasping lock mechanism 54 is fixed to the side wall of the positioning upper bracket 532. When the frame 20 is lifted up to a high position, the clamp blocks 541 fixed on the frame 20 ascend with the frame 20 and are buffered when meeting the upper limit blocks 542 positioned on the upper support 532, so that the frame 20 cannot ascend continuously. At this time, the clamping cylinder 543 can clamp the upper limit block 542 and the clamp block 541 on the positioning upper support 532 together, so as to implement the function of clasping and locking. The lower stopper 544 of the clasping lock mechanism 54 near the first column 51 side is fixed to the deck plate 11 of the welding platform 10 and corresponds to the position of the clamp block 541 in the vertical direction, that is, the outer side position of the lower surface of the positioning lower holder 531. When the frame 20 is lowered to the lower position, the clamp blocks 541 fixed to the frame 20 are buffered as the frame 20 is lowered, and when encountering the lower limit blocks 544 positioned below the lower support 531, the frame 20 cannot be further lowered.
Another pair of clasping and locking mechanisms 54 located on opposite sides of the bottom of the frame 20, i.e., the side having the second upright 52, has a pair of restraining lower abutments 545 and a pair of restraining upper abutments 546. The lower limiting seats 545 are respectively fixed at two opposite sides of the bottom of the frame 20, i.e. the bottom end of the straight frame 25 below the horizontal support of the frame 20, and the clamping blocks 541 of the clasping locking mechanism 54 are respectively fixed at the outer sides of the upper surfaces of the lower limiting seats 545. A limiting upper support 546 is fixed on the top of the second upright post 52, upper limiting blocks 542 of the clasping locking mechanism 54 are respectively fixed on the lower surface of the limiting upper support 546, and a clamping cylinder 543 is fixed on the side wall of the limiting upper support 546. When the frame 20 is lifted up to a high position, the clamp blocks 541 fixed on the frame 20 ascend with the frame 20 and are limited by the buffer when meeting the upper limit blocks 542 on the limit upper support 546 so that the frame 20 cannot ascend continuously. At this time, the upper limit block 542 on the upper limit support 546 and the clamp block 541 can be clamped together by the clamping cylinder 543, so that the function of holding and locking is realized. The lower limit block 544 of the clasping lock mechanism 54 near the second column 52 side is fixed on the deck plate 11 of the welding platform 10 and corresponds to the outer position of the lower surface of the lower limit seat 545 in the vertical direction. When the frame 20 is lowered to the lower position, the clamp blocks 541 fixed to the frame 20 are buffered and limited as the frame 20 is lowered, and when encountering the lower limit blocks 544 below the limit lower seats 545, the frame 20 cannot be further lowered.
The working principle of the invention is as follows: the vehicle body rear floor is positioned by the tack weld clamping mechanism 60 on the welding platform 10 with the vehicle body rear floor in a low-profile weld. When the welding robot finishes welding the rear floor of the vehicle body which is at a low position, the jacking cylinder 30 jacks the frame 20, and five upper supporting columns 26 above the horizontal support of the frame 20 perform positioning jacking and lifting on the rear floor of the vehicle body. When the clamping block 541 fixedly connected with the frame 20 meets the upper limiting block 542, the jacking cylinder 30 is limited, the frame 20 and the rear floor of the vehicle body are in a high position at the moment, the clamping cylinder 543 tightly locks the clamping block and the upper limiting block 542, and the positioning pin 533 is also positioned in the positioning hole 534. At this time, the rear floor of the vehicle body at a high position is subjected to repair welding. Therefore, the floor behind the vehicle body is completely welded at one time on the same welding platform tool, and the problem of limited welding point space is solved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (11)
1. The utility model provides a floor welding position frock behind automobile body which characterized in that floor welding position frock has behind the automobile body:
a welding platform;
the frame is arranged above the welding platform in a lifting manner;
and part or all of a cylinder body of the jacking cylinder is positioned below the welding platform, and a piston of the jacking cylinder is fixedly connected with the gravity center part of the frame.
2. The vehicle body rear floor welding and positioning tool according to claim 1, comprising a jacking stability maintaining unit, wherein the jacking stability maintaining unit comprises:
the pair of slide rail mechanisms are symmetrically and vertically fixed on the upper surface of the welding platform, and each slide rail mechanism is provided with a slide rail which is vertically positioned on the upper surface of the welding platform;
the pulley mechanisms are symmetrically and fixedly arranged on two opposite sides of the bottom of the frame and are provided with pulleys, and the pulleys are slidably clamped on the slide rails of the slide rail mechanisms and can slide up and down along the slide rails.
3. The welding and positioning tool for the rear floor of the vehicle body according to claim 2,
the slide rail mechanism further has: the vertical U-shaped groove box, an upper cover plate and a lower cover plate; the groove box is fixed on the upper surface of the welding platform through a groove box bracket, the slide rail is fixed on the inner side wall of the U-shaped groove box, and the upper cover plate and the lower cover plate are arranged on the groove box in a back-and-forth switching manner in the lifting and descending processes of the framework;
the pulley mechanism further has: a U-shaped square box; the square box is fixed at the bottom of the frame through the square box support, the pulleys are arranged in the square box and fixed on two opposite side walls of the square box through two ends of a wheel shaft, the bottom end of the upper cover plate is fixed at the upper end of the square box, the top end of the lower cover plate is fixed at the lower end of the square box, and the frame drives the pulleys of the pulley mechanism to ascend and descend, so that the upper cover plate and the lower cover plate are switched back and forth to be covered on the groove box.
4. The welding and positioning tool for the rear floor of the vehicle body according to claim 2, wherein the welding and positioning tool for the rear floor of the vehicle body comprises a positioning and clasping mechanism, and the positioning and clasping mechanism comprises:
a pair of first upright posts symmetrically positioned at the peripheries of the other two opposite sides of the frame and fixed on the upper surface of the welding platform;
and the positioning mechanisms are respectively provided with a positioning pin and a positioning hole, the positioning pins are respectively fixed on the other two opposite sides of the bottom of the frame, the positioning holes are respectively arranged below the tops of the first upright posts, and the positioning pins can be inserted into the positioning holes to position the whole frame.
5. The welding and positioning tool for the rear floor of the vehicle body according to claim 4, wherein the positioning and clasping mechanism further comprises:
the pair of second upright posts are symmetrically positioned on the peripheries of two opposite sides of the frame and fixed on the upper surface of the welding platform;
two pairs of clasping locking mechanisms, each having:
the clamping blocks are respectively fixed on the bottoms of the four sides of the frame;
the upper limiting block is respectively fixed below the tops of the first upright post and the second upright post, corresponds to the clamping block in the vertical direction, and can limit the clamping block which is at a high position after jacking;
and the clamping cylinder is respectively fixed on the side surfaces of the tops of the first stand column and the second stand column, and can tightly lock the clamping block on the upper limiting block.
6. The vehicle body rear floor welding positioning tool according to claim 5, characterized in that the clasping locking mechanisms further respectively comprise:
and the lower limiting block is fixed on the upper surface of the welding platform, corresponds to the clamping block in the vertical direction, and can limit the clamping block which is positioned at a low position before jacking or after descending.
7. The welding and positioning tool for the rear floor of the vehicle body according to claim 6, wherein the positioning and clasping mechanism comprises:
the positioning pins are fixed on the inner sides of the upper surfaces of the lower positioning supports, and the lower positioning supports are used for indirectly fixing the positioning pins on the upper surfaces of the bottom of the frame; the clamping blocks of one pair of holding locking mechanisms are respectively fixed on the outer sides of the upper surfaces of the pair of positioning lower supports; one pair of lower limiting blocks corresponds to the outer side positions of the lower surface of the lower positioning support in the vertical direction;
the positioning upper support is fixed at the top of the first upright, four cams which are enclosed into a circle are fixed on the inner side of the lower surface of the positioning upper support, the positioning holes are formed by the four cams which are enclosed into a circle, and the positioning holes are arranged below the top of the first upright through the positioning upper support and the four cams; the upper limiting blocks of the pair of holding locking mechanisms are respectively fixed on the outer side of the lower surface of the positioning upper support, and the clamping cylinders of the pair of holding locking mechanisms are fixed on the side wall of the positioning upper support.
8. The welding and positioning tool for the rear floor of the vehicle body according to claim 7, wherein the positioning and clasping mechanism comprises:
the pair of lower limiting supports are respectively fixed on two opposite sides of the bottom of the frame, and the clamping blocks of the other pair of clasping and locking mechanisms are respectively fixed on the outer sides of the upper surfaces of the lower limiting supports; the other pair of lower limiting blocks corresponds to the outer side positions of the lower surface of the lower limiting support in the vertical direction;
the upper limiting supports are fixed to the tops of the second stand columns, the upper limiting blocks of the other pair of holding locking mechanisms are fixed to the lower surfaces of the upper limiting supports respectively, and clamping cylinders of the other pair of holding locking mechanisms are fixed to the side walls of the upper limiting supports.
9. The vehicle body rear floor welding positioning tool according to claim 7, wherein the frame has:
the horizontal bracket is provided with two parallel cross beams and two parallel longitudinal beams vertically connected between the two parallel cross beams;
the pair of L-shaped lower connecting frames are provided with cross arms and vertical arms fixedly connected to one ends of the cross arms, the top ends of the vertical arms are fixed to the lower surfaces of the middle parts of the longitudinal beams of the horizontal support, and the other ends of the cross arms are fixedly connected with lower positioning supports of the positioning and clasping mechanisms;
the top ends of the straight frames are respectively fixed on the lower surface of the middle part of the cross beam of the horizontal support, and the bottom ends of the straight frames are respectively and fixedly connected with a limiting lower support of the positioning and clasping mechanism and a square box support of the pulley mechanism;
the bottom ends of four of the five upper pillars are respectively fixed on the upper surfaces of two ends of two cross beams of the horizontal support, and the bottom end of the last upper pillar is fixed on the upper surface of the middle part of one of the cross beams; the top ends of two upper supporting columns in the five upper supporting columns are respectively provided with a positioning pin, the top ends of the remaining three upper supporting columns are respectively provided with a positioning block, and the top ends of the five upper supporting columns are used for positioning the rear floor of the vehicle body.
10. The floor welding position frock behind automobile body of claim 1, characterized in that, welding platform has:
the middle of the table panel is provided with a long through hole for the passing of a pair of L-shaped lower connecting frames of the framework and the jacking cylinder; two sides of the long through hole of the table panel are respectively provided with a small through hole, and the small through holes are used for a lower cover plate of the slide rail mechanism to pass through;
and the at least four supporting legs are respectively fixed below the four corners of the table top plate and used for supporting the welding platform.
11. The floor welding position frock behind automobile body of claim 1, characterized in that, floor welding position frock behind automobile body has:
and the positioning welding clamping mechanisms are fixed on the welding platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210606158.8A CN114850764B (en) | 2022-05-31 | 2022-05-31 | Welding positioning tool for rear floor of automobile body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210606158.8A CN114850764B (en) | 2022-05-31 | 2022-05-31 | Welding positioning tool for rear floor of automobile body |
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| Publication Number | Publication Date |
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| CN114850764A true CN114850764A (en) | 2022-08-05 |
| CN114850764B CN114850764B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210606158.8A Active CN114850764B (en) | 2022-05-31 | 2022-05-31 | Welding positioning tool for rear floor of automobile body |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060242823A1 (en) * | 2005-04-27 | 2006-11-02 | Progressive Tool & Industries, Co. | Welding station framing apparatus with breakaway provision |
| CN102873488A (en) * | 2012-09-14 | 2013-01-16 | 山东迈赫自动化装备股份有限公司 | Total tailored welding clamp for multi-vehicle automobile bodies |
| CN207914889U (en) * | 2018-03-16 | 2018-09-28 | 杭州宝伟汽车零部件有限公司 | The special frock clamp that part is picked and placeed convenient for handgrip in floor after a kind of welding white body |
| CN208409000U (en) * | 2018-05-28 | 2019-01-22 | 安徽江淮汽车集团股份有限公司 | Spare tyre mounting plate welding fixture |
| CN215941966U (en) * | 2021-09-10 | 2022-03-04 | 大连宇明科技有限公司 | Floor welding jig behind car |
-
2022
- 2022-05-31 CN CN202210606158.8A patent/CN114850764B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060242823A1 (en) * | 2005-04-27 | 2006-11-02 | Progressive Tool & Industries, Co. | Welding station framing apparatus with breakaway provision |
| CN102873488A (en) * | 2012-09-14 | 2013-01-16 | 山东迈赫自动化装备股份有限公司 | Total tailored welding clamp for multi-vehicle automobile bodies |
| CN207914889U (en) * | 2018-03-16 | 2018-09-28 | 杭州宝伟汽车零部件有限公司 | The special frock clamp that part is picked and placeed convenient for handgrip in floor after a kind of welding white body |
| CN208409000U (en) * | 2018-05-28 | 2019-01-22 | 安徽江淮汽车集团股份有限公司 | Spare tyre mounting plate welding fixture |
| CN215941966U (en) * | 2021-09-10 | 2022-03-04 | 大连宇明科技有限公司 | Floor welding jig behind car |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114850764B (en) | 2024-04-26 |
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