CN115647711A - Welding fixture for automobile body framework - Google Patents
Welding fixture for automobile body framework Download PDFInfo
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- CN115647711A CN115647711A CN202211515699.6A CN202211515699A CN115647711A CN 115647711 A CN115647711 A CN 115647711A CN 202211515699 A CN202211515699 A CN 202211515699A CN 115647711 A CN115647711 A CN 115647711A
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- 238000003466 welding Methods 0.000 title claims abstract description 33
- 238000009434 installation Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000000712 assembly Effects 0.000 claims abstract description 12
- 238000000429 assembly Methods 0.000 claims abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 230000009471 action Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention relates to the technical field of automobile fixtures, in particular to a welding fixture for an automobile body framework, which comprises a platform and two fixture mechanisms arranged on the upper surface of the platform, wherein sleeve plates are arranged on the outer side walls of the platform, accommodating grooves are formed in the sleeve plates, baffle plate assemblies are arranged in the accommodating grooves, driving assemblies are arranged at the bottom in the platform, and execution ends of the driving assemblies are connected with the baffle plate assemblies and used for unfolding the baffle plate assemblies when the automobile body framework is welded; the fixture mechanism comprises an installation block and a supporting block arranged on the upper surface of the installation block, the installation block is embedded in the platform, an adjusting component is arranged in the installation block, an execution end of the adjusting component is fixedly connected with the lower surface of the supporting block, and a clamping component is arranged on the outer wall of the supporting block and used for clamping a vehicle body framework.
Description
Technical Field
The invention relates to the technical field of automobile fixtures, in particular to a welding fixture for an automobile body framework.
Background
The automobile is driven by power, and the non-rail-borne vehicle with four or more wheels is mainly used for: carrying personnel or goods; a vehicle for towing a carrier or cargo; the special purpose is that the automobile comprises an automobile body framework, an engine, a control system and the like, the automobile body framework needs to be welded in the automobile processing, the automobile frame needs to be fixed during welding, and the tool with the fixing function is a welding fixture.
For example, patent with application number CN201811558325.6 includes a platform, on which three clamp units are arranged, each clamp unit includes a base, a clamp body and a V-shaped block, the base is fixedly mounted on the platform, the clamp body is fixedly mounted on the base, the clamp body is provided with a V-shaped groove, the V-shaped block can be locked on the clamp body, and the locked V-shaped block and the V-shaped groove are matched to be locked and clamped on a racing car frame.
Although the location and the fixing of pipe fitting can be realized to above-mentioned patent, welding jig mechanism novel structure can not only realize accurate location, but also can effectively resist welding deformation, simple structure, but when welding the frame, the condition that the welding slag splashes can appear, the welding slag that splashes everywhere can splash the staff that passes by the road to when carrying out the centre gripping to the frame fixed, need twist and move a plurality of bolts, increased the time of installation and dismantlement, reduce work efficiency.
Disclosure of Invention
The invention aims to provide a welding fixture for an automobile body framework, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a welding fixture for an automobile body framework comprises a platform and two fixture mechanisms arranged on the upper surface of the platform, sleeve plates are arranged on the outer side walls of the platform, accommodating grooves are formed in the sleeve plates, baffle assemblies are arranged in the accommodating grooves, a driving assembly is arranged at the bottom in the platform, and an execution end of the driving assembly is connected with the baffle assemblies and used for unfolding the baffle assemblies when the automobile body framework is welded;
the fixture mechanism comprises an installation block and a supporting block arranged on the upper surface of the installation block, the installation block is embedded in the platform, an adjusting component is arranged in the installation block, the execution end of the adjusting component is fixedly connected with the lower surface of the supporting block, a clamping component is arranged on the outer wall of the supporting block and used for clamping an automobile body framework, a groove is formed in the top of the supporting block, a movable block is arranged in the groove, the top of the movable block is connected with the clamping component, a plurality of clamping grooves are formed in two side walls of the movable block, and a fixing component is arranged on two side walls of the supporting block and matched with the clamping grooves.
As a preferable scheme of the invention, the baffle plate assembly comprises a baffle plate, a transparent window is arranged on the baffle plate, connecting plates are fixed on the tops of the side edges of the baffle plate through bolts, and the lower surfaces of one ends of the two connecting plates are fixedly connected with an execution end of the driving assembly. In the preferred embodiment, the periphery of the whole platform can be protected by the baffle assembly, and the phenomenon that other people are injured by residues in a splashing manner during welding of the vehicle body framework is avoided.
As the preferable scheme of the invention, the baffle can be made of a plastic plate, and the transparent window shell is made of a transparent acrylic plate. In the preferred embodiment, the weight of the baffle assembly is reduced to facilitate deployment.
According to a preferable scheme of the invention, the driving assembly comprises a driving cavity arranged in the platform, a double-shaft motor is arranged in the center of the driving cavity, output ends on two sides of the double-shaft motor are respectively connected with rotating shafts through a coupler, mounting plates are sleeved on the two rotating shafts, vertical bevel gears are fixedly mounted at one ends of the two rotating shafts far away from the double-shaft motor, one sides of the two vertical bevel gears are meshed and connected with transverse bevel gears, through grooves communicated with the driving cavity are formed in two sides of the upper surface of the platform, screw rods are arranged in the two through grooves, the two transverse bevel gears are fixedly mounted at the bottoms of the screw rods, the bottom ends of the two screw rods are movably connected with the bottom wall of the driving cavity, sleeves are sleeved on the outer sides of the tops of the two screw rods, and the top ends of the two sleeves are respectively and fixedly connected with the connecting plates. In the preferred embodiment, the baffle plate assembly can be automatically unfolded and protected by the driving assembly when the vehicle sound framework is welded.
As a preferable scheme of the invention, the outer wall of each mounting plate is fixedly bonded with the inner wall of the driving cavity, and the contact parts of the outer walls of the two rotating shafts and the mounting plates are connected through bearings. In the preferred embodiment, the support of the shaft is facilitated by a mounting plate.
As a preferable scheme of the present invention, a silica gel pad is bonded to an inner bottom of the storage groove, and an upper surface of the silica gel pad is in contact with a lower surface of a baffle plate disposed in the baffle plate assembly. In this preferred embodiment, be convenient for through the silica gel pad when the baffle subassembly contracts, reduce the collision of baffle and containing groove bottom.
As a preferable scheme of the present invention, the adjusting assembly includes a moving groove formed in an upper surface of the mounting block, a threaded rod is movably disposed in the moving groove, a nut is connected to an executing end of the threaded rod and is connected to a moving block, an outer wall of the moving block is in contact with an inner wall of the moving groove and is in sliding connection with the inner wall of the moving groove, one end of the threaded rod passes through the moving groove and extends to the outside of the mounting block, and is connected to an adjusting motor, and the adjusting motor is fixed to the outer wall of the mounting block through a bolt. In the preferred embodiment, the supporting block can be moved in position through the adjusting assembly, so that the supporting block can be adapted to different vehicle body frameworks.
According to the preferable scheme of the invention, the clamping component comprises a fixed clamping block fixedly connected with the outer wall of the supporting block, a movable clamping block is arranged above the fixed clamping block, arc-shaped grooves are formed in the upper surface of the fixed clamping block and the lower surface of the movable clamping block, a fixing plate is welded on the upper surface of the movable clamping block, and the lower surface of one end, far away from the movable clamping block, of the fixing plate is welded with the top of the movable block. In this preferred embodiment, be convenient for carry out the centre gripping to the horizontal pole on the skeleton through the centre gripping subassembly, make things convenient for the staff to weld.
According to the preferable scheme of the invention, a rubber pad is bonded in the arc-shaped groove formed in each fixed clamping block, an air cushion is bonded in the arc-shaped groove formed in each movable clamping block, a miniature air pump is installed on one surface, far away from the clamping assembly, of the supporting block through a bolt, an output port of the miniature air pump is hermetically connected with a flexible hose, and one end of the flexible hose sequentially penetrates through the fixed plate and the movable clamping blocks to be communicated with the air cushions. In the preferred embodiment, the air cushion is inflated by the miniature air pump, and the inflated air cushion and the rubber cushion can play a role in damping the clamped framework cross rod.
According to a preferable scheme of the invention, the fixing assembly comprises cavities which are arranged in the supporting block and located at two sides of the groove, limiting plates are movably arranged in each cavity, the top and the bottom of each limiting plate are slidably sleeved on the guide rod, one end, far away from the groove, of each guide rod is sleeved with a spring, two ends of each spring are fixedly connected with the side wall of the limiting plate on the inner wall of the cavity respectively, two ends of each guide rod are fixedly connected with the inner wall of the cavity, a clamping block is welded on one surface, close to the groove, of each limiting plate, one end of each clamping block penetrates through the cavity and extends into the groove to be connected with the clamping groove in an inserting mode, a pull rod with one end penetrating out of the supporting block is welded on the other surface of each limiting plate, and a pull plate is welded on one end, far away from the limiting plate, of each pull rod. In the preferred embodiment, the fixing assembly can clamp and fix the vehicle body framework without bolts, so that the time for mounting and dismounting is saved, and the working efficiency is improved.
Compared with the prior art, the invention has the beneficial effects that: aiming at the problems brought forward by the background technology, the invention starts a double-shaft motor in a driving component to work by lifting an automobile body framework on a platform and between clamp mechanisms, two output ends of the double-shaft motor rotate to drive a rotating shaft to rotate, the rotating shaft drives a vertical bevel gear to rotate, the rotating vertical bevel gear drives a meshed transverse bevel gear to rotate, the transverse bevel gear drives a screw rod to rotate, the rotating screw rod enables a sleeve in threaded meshing connection to drive a baffle plate in a baffle plate component to vertically move through a connecting plate, the baffle plate moves upwards along a containing groove to be unfolded, so that when a worker welds the framework, the distance of residue splashing is limited, the residue splashing is prevented from hurting people nearby, then an adjusting motor in an adjusting component is started to drive a threaded rod to rotate, the rotating threaded rod drives a movable block to move along a moving groove, and the moving block drives a clamping component to approach the automobile body framework through a supporting block, the device is convenient to adapt to different vehicle body frameworks, a cross rod of the framework is positioned between clamping components, the framework is put down to enable the cross rod to be in contact with an arc-shaped groove of a fixed clamping block, then a pulling plate in the fixed component is manually pulled, the pulling plate drives a pulling rod to move, the moving pulling rod drives a limiting plate to move along a guide rod and extrude a spring, the limiting plate drives a clamping block to be separated from the clamping groove to move into a cavity, the fixing of the movable block is cancelled, at the moment, under the action of gravity, the movable clamping block and the movable block move downwards, the arc-shaped groove of the movable clamping block is in contact with the cross rod of the framework, the clamping operation is completed, then the pulling plate is loosened, the limiting plate and the clamping block reset under the elasticity of the spring, the clamping block is inserted into the clamping groove, the quick fixing operation of the clamping components is completed, the mounting and dismounting time is saved, then a miniature air pump works to inflate the air cushion through a telescopic hose, the inflated air cushion expands to make the cross rod of the skeleton contact with the arc slots of the fixed clamping blocks and the movable clamping blocks better and to play a role in damping.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a schematic side cross-sectional view of the present invention;
FIG. 3 is a view of the clamp mechanism of the present invention;
FIG. 4 is an enlarged view of the invention at A;
FIG. 5 is a side cross-sectional view of the clamping mechanism of the present invention.
In the figure: 1. a platform; 101. a clamp mechanism; 102. sheathing the board; 1021. a receiving groove; 1022. a silica gel pad; 2. a baffle assembly; 201. a baffle plate; 2011. a transparent window; 202. a connecting plate; 3. a drive assembly; 301. a drive chamber; 302. a sleeve; 303. a screw rod; 304. a transverse bevel gear; 305. a vertical bevel gear; 306. a rotating shaft; 307. mounting a plate; 308. a double-shaft motor; 309. a through groove; 4. a support block; 401. a groove; 402. a movable block; 4021. a clamping groove; 5. an adjustment assembly; 501. a moving groove; 502. a threaded rod; 503. a moving block; 504. adjusting the motor; 6. a clamping assembly; 601. fixing the clamping block; 602. a movable clamping block; 603. an arc-shaped slot; 604. a fixing plate; 605. a micro air pump; 606. an air cushion; 607. a rubber pad; 608. a flexible hose; 7. a fixing assembly; 701. a cavity; 702. pulling a plate; 703. a pull rod; 704. a limiting plate; 705. a clamping block; 706. a guide rod; 707. a spring; 8. and (7) installing the block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
To facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are presented. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The electrical components of the device are controlled by an external controller.
Referring to fig. 1-5, the present invention provides a technical solution:
a welding fixture for an automobile body framework comprises a platform 1 and two fixture mechanisms 101 arranged on the upper surface of the platform, wherein sleeve plates 102 are arranged on the outer side walls of the platform 1, accommodating grooves 1021 are formed in the sleeve plates 102, baffle plates 2 are arranged in the accommodating grooves 1021, silica gel pads 1022 are bonded to the inner bottoms of the accommodating grooves 1021, the upper surfaces of the silica gel pads 1022 are in contact with the lower surfaces of baffle plates 201 arranged in the baffle plates 2, when the baffle plates 2 contract, the collision between the baffle plates 201 and the bottoms of the accommodating grooves 1021 is reduced, driving assemblies 3 are arranged at the inner bottoms of the platform 1, the execution ends of the driving assemblies 3 are connected with the baffle plates 2 and used for unfolding the baffle plates 2 when the automobile body framework is welded, each baffle plate assembly 2 comprises a baffle plate 201, transparent windows are arranged on the baffle plates 201, and connecting plates 202 are fixed to the tops of the side edges of the baffle plates 201 through bolts, the lower surfaces of one ends of the two connecting plates 202 are fixedly connected with the execution end of the driving assembly 3, the baffle 201 can be made of plastic plates, the transparent window 2011 shell is made of transparent acrylic plates, the weight of the baffle assembly 2 can be reduced, the driving assembly 3 comprises a driving cavity 301 arranged in the platform 1, a double-shaft motor 308 is arranged in the center of the driving cavity 301, the output ends of the two sides of the double-shaft motor 308 are connected with rotating shafts 306 through couplings, the two rotating shafts 306 are sleeved with mounting plates 307, one ends of the two rotating shafts 306 far away from the double-shaft motor 308 are fixedly provided with vertical bevel gears 305, one sides of the two vertical bevel gears 305 are connected with transverse bevel gears 304 in a meshing manner, the two sides of the upper surface of the platform 1 are provided with through grooves 309 communicated with the driving cavity 301, and the two through grooves 309 are provided with screw rods 303, the two transverse bevel gears 304 are fixedly mounted at the bottoms of the screw rods 303, the bottom ends of the two screw rods 303 are movably connected with the bottom wall of the driving cavity 301, sleeves 302 are sleeved on the outer sides of the tops of the two screw rods 303, the top ends of the two sleeves 302 are fixedly connected with the connecting plate 202 respectively, the outer wall of each mounting plate 307 is fixedly bonded with the inner wall of the driving cavity 301, and the outer wall of each rotating shaft 306 is connected with the contact part of the mounting plate 307 through a bearing.
When the automobile body framework is welded, a welding clamp is needed to fix the frame, at this time, the automobile body framework is firstly hung on the platform 1 and located between the clamp mechanisms 101, then the double-shaft motor 308 in the driving assembly 3 is started to work through the controller, two output ends of the double-shaft motor 308 respectively rotate to drive the rotating shaft 306 to rotate, the rotating shaft 306 drives the vertical bevel gear 305 to rotate, the rotating vertical bevel gear 305 drives the meshed horizontal bevel gear 304 to rotate, the horizontal bevel gear 304 drives the screw rod 303 to rotate, the rotating screw rod 303 enables the sleeve 302 connected in threaded meshing to drive the baffle 201 in the baffle assembly 2 to vertically move through the connecting plate 202, the baffle 201 moves upwards along the accommodating groove 1021 to be unfolded, so that when a worker welds the framework, the distance of residue splashing is limited, and the residue is prevented from injuring other people.
In an embodiment, referring to fig. 3, 4 and 5, the clamp mechanism 101 includes an installation block 8 and a support block 4 disposed on an upper surface of the installation block 8, the installation block 8 is embedded in the platform 1, an adjustment assembly 5 is disposed in the installation block 8, an execution end of the adjustment assembly 5 is fixedly connected to a lower surface of the support block 4, a clamping assembly 6 is disposed on an outer wall of the support block 4 for clamping a vehicle body frame, a groove 401 is formed in a top of the support block 4, a movable block 402 is disposed in the groove 401, a top of the movable block 402 is connected to the clamping assembly 6, a plurality of clamping grooves 4021 are disposed on two side walls of the movable block 402, a fixing assembly 7 is disposed on two side walls of the support block 4 and matched with the clamping grooves 4021, the adjustment assembly 5 includes a moving groove 501 disposed on an upper surface of the installation block 8, a movable block 502 is movably disposed in the moving groove 501, a nut is connected to a moving block 503 at an execution end of the movable block 502, an outer wall of the moving block 503 is in contact with an inner wall of the moving groove 501 and is in sliding connection with an adjustment bolt 504, one end of the threaded rod is extended to the installation block 8, and is connected to an adjustment bolt 504 through an adjustment motor.
When the automobile body frame is located between the fixture mechanisms 101, a worker starts the adjusting motor 504 in the adjusting component 5 through the controller to work, the adjusting motor 504 drives the threaded rod 502 to rotate, the rotating threaded rod 502 drives the moving block 503 to move along the moving groove 501, the moving block 503 drives the supporting block 4 to move, and the supporting block 4 drives the clamping component 6 to approach the automobile body frame, so that the automobile body frame can adapt to different automobile body frames conveniently.
The clamping component 6 comprises a fixed clamping block 601 fixedly connected with the outer wall of the supporting block 4, a movable clamping block 602 is arranged above the fixed clamping block 601, the upper surface of the fixed clamping block 601 and the lower surface of the movable clamping block 602 are both provided with an arc-shaped groove 603, the upper surface of the movable clamping block 602 is welded with a fixing plate 604, the lower surface of one end of the fixing plate 604 far away from the movable clamping block 602 is welded with the top of the movable block 402, a rubber pad 607 is bonded in an arc-shaped groove 603 formed in each fixed clamping block 601, an air cushion 606 is bonded in the arc-shaped groove 603 formed in each movable clamping block 602, a micro air pump 605 is installed on one surface of the supporting block 4 far away from the clamping component 6 through a bolt, an output port of the micro air pump 605 is hermetically connected with a flexible hose 608, one end of the flexible hose 608 sequentially passes through the fixed plate 604 and the movable clamping block 602 to be communicated with the air cushion 606, the fixing component 7 comprises cavities 701 arranged in the supporting block 4 and located at two sides of the groove 401, a limiting plate 704 is movably arranged in each cavity 701, the top and the bottom of each limiting plate 704 are slidably sleeved on a guide rod 706, one end of each guide rod 706 far away from the groove 401 is sleeved with a spring 707, two ends of each spring 707 are respectively fixedly connected with the side wall of the limiting plate 704 on the inner wall of the cavity 701, and every the both ends of guide bar 706 all with the inner wall fixed connection of cavity 701, every the limiting plate 704 has joint piece 705 near the one side welding of recess 401, every joint piece 705 one end all runs through cavity 701 and extends to in the recess 401 with joint groove 4021 plug-in connection, every the welding of limiting plate 704 another side has the pull rod 703 that supporting shoe 4 was worn out to one end, every the pull rod 703 is kept away from the one end of limiting plate 704 and all has been welded the arm-tie 702.
Further, at this time, the cross bar of the framework is located between the clamping assemblies 6, the framework is put down through the lifting rope, so that the cross bar is in contact with the arc-shaped groove 603 of the fixed clamping block 601 in the clamping assembly 6, then the pulling plate 702 in the fixed assembly 7 is pulled manually, the pulling plate 702 drives the pulling rod 703 to move, the moving pulling rod 703 drives the limiting plate 704 to move along the guide rod 706 and extrude the spring 707, the limiting plate 704 drives the clamping block 705 to separate from the clamping groove 4021 and move into the cavity 701 to cancel the fixing of the movable block 402, at this time, under the action of gravity, the movable clamping block 602 and the movable block 402 move downwards, the arc-shaped groove 603 of the movable clamping block 602 is in contact with the cross bar of the framework, so that the clamping operation is completed, then the pulling plate 702 is released, the elastic lower limiting plate 704 and the clamping block of the spring 707 reset, the clamping block 705 is inserted into the clamping groove 4021, so that the fixing operation of the clamping assembly 6 is completed, the installation and disassembly time is saved, then the micro air pump 605 works to inflate the air cushion 606 through the expansion hose 606, the inflated air cushion 601 of the framework is in contact with the arc-shaped groove 601 and the air cushion 602.
The working process of the invention is as follows: when the automobile body frame is welded, a welding clamp is needed to fix the frame, at this time, the automobile body frame is firstly hung on the platform 1 and positioned between the clamp mechanisms 101, a worker starts the double-shaft motor 308 in the driving component 3 to work through the controller, two output ends of the double-shaft motor 308 respectively rotate to drive the rotating shaft 306 to rotate, the rotating shaft 306 drives the vertical bevel gear 305 to rotate, the rotating vertical bevel gear 305 drives the meshed transverse bevel gear 304 to rotate, the transverse bevel gear 304 drives the screw rod 303 to rotate, the rotating screw rod 303 enables the sleeve 302 in threaded meshing connection to drive the baffle 201 in the baffle component 2 to vertically move through the connecting plate 202, the baffle 201 moves upwards along the accommodating groove 1021 to be unfolded, then the worker starts the adjusting motor 504 in the adjusting component 5 to work through the controller, and the adjusting motor 504 drives the threaded rod 502 to rotate, the rotating threaded rod 502 drives the moving block 503 to move along the moving groove 501, the moving block 503 drives the supporting block 4 to move, the supporting block 4 drives the clamping component 6 to approach to the framework of the vehicle body, the cross bar of the framework is positioned between the clamping components 6, the framework is put down through the lifting rope, so that the cross bar is contacted with the arc groove 603 of the fixed clamping block 601 in the clamping component 6, then the pulling plate 702 in the fixed component 7 is pulled manually, the pulling plate 702 drives the pulling rod 703 to move, the moving pulling rod 703 drives the limiting plate 704 to move along the guide rod 706 and extrude the spring 707, the limiting plate 704 drives the clamping block 705 to separate from the clamping groove 4021 to move to the cavity 701 so as to cancel the fixation of the movable block 402, at the moment, under the action of gravity, the movable clamping block 602 and the movable block 402 move downwards, the arc groove 603 of the movable clamping block 602 is contacted with the cross bar of the framework, then the pulling plate 702 is loosened, and the clamping block 704 and the clamping block 705 is reset under the elasticity of the spring 707, the clamping block 705 is inserted into the clamping groove 4021 to complete the clamping and fixing operation of the clamping assembly 6, then the micro air pump 605 is inflated into the air cushion 606 through the telescopic hose 608, the inflated air cushion 606 is inflated to enable the cross rod of the framework to be better contacted with the fixed clamping blocks 601 and the arc-shaped grooves 603 of the movable clamping blocks 602, the clamping and fixing of the automobile body framework are completed, and the subsequent welding operation is performed by a worker in the platform.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a welding jig of car body skeleton, includes platform (1) and sets up two fixture mechanism (101) of its upper surface, its characterized in that: the outer side walls of the platform (1) are provided with sleeve plates (102), a containing groove (1021) is formed in each sleeve plate (102), a baffle plate assembly (2) is arranged in each containing groove (1021), a driving assembly (3) is arranged at the bottom in the platform (1), and an execution end of each driving assembly (3) is connected with each baffle plate assembly (2) and used for unfolding the baffle plate assemblies (2) when a vehicle body framework is welded;
the fixture mechanism (101) comprises an installation block (8) and a supporting block (4) arranged on the upper surface of the installation block, the installation block (8) is embedded into the platform (1), an adjusting component (5) is arranged in the installation block (8), an execution end of the adjusting component (5) is fixedly connected with the lower surface of the supporting block (4), the outer wall of the supporting block (4) is provided with a clamping component (6) for clamping a vehicle body framework, the top of the supporting block (4) is provided with a groove (401), a movable block (402) is arranged in the groove (401), the top of the movable block (402) is connected with the clamping component (6), a plurality of clamping grooves (4021) are formed in two side walls of the movable block (402), and fixing components (7) are arranged on two side walls of the supporting block (4) and matched with the clamping grooves (4021).
2. The welding jig for the vehicle body frame according to claim 1, characterized in that: baffle subassembly (2) is including baffle (201), install transparent window (2011) on baffle (201), baffle (201) side top all is fixed with connecting plate (202), two through the bolt connecting plate (202) one end lower surface all with drive assembly (3) execution end fixed connection.
3. The welding jig for the automobile body frame according to claim 2, characterized in that: baffle (201) can select to make with the plastic slab, transparent window (2011) shell selects for use transparent ya keli board to make.
4. The welding jig for the vehicle body frame according to claim 2, characterized in that: the driving assembly (3) comprises a driving cavity (301) arranged inside the platform (1), a double-shaft motor (308) is installed in the center of the driving cavity (301), output ends of two sides of the double-shaft motor (308) are connected with a rotating shaft (306) through a coupler, two mounting plates (307) are sleeved on the rotating shaft (306), two vertical bevel gears (305) are fixedly installed at one ends of the rotating shaft (306) far away from the double-shaft motor (308), two transverse bevel gears (304) are meshed with one sides of the vertical bevel gears (305), through grooves (309) communicated with the driving cavity (301) are formed in two sides of the upper surface of the platform (1), two lead screws (303) are arranged in the through grooves (309), two transverse bevel gears (304) are fixedly installed at the bottoms of the lead screws (303), two bottoms of the lead screws (303) are movably connected with the bottom wall of the driving cavity (301), two sleeves (302) are sleeved outside the tops of the lead screws (303) and are fixedly connected with connecting plates (202).
5. The welding jig for the vehicle body frame according to claim 4, characterized in that: the outer wall of each mounting plate (307) is fixedly bonded with the inner wall of the driving cavity (301), and the contact part of the outer wall of the rotating shaft (306) and the mounting plate (307) is connected through a bearing.
6. The welding jig for the automobile body frame according to claim 1, characterized in that: the inner bottom of the accommodating groove (1021) is bonded with a silica gel pad (1022), and the upper surface of the silica gel pad (1022) is in contact with the lower surface of a baffle (201) arranged in the baffle assembly (2).
7. The welding jig for the automobile body frame according to claim 1, characterized in that: the adjusting assembly (5) comprises a moving groove (501) formed in the upper surface of the mounting block (8), a threaded rod (502) is movably arranged in the moving groove (501), a nut is connected to the executing end of the threaded rod (502) and is connected with a moving block (503), the outer wall of the moving block (503) is in contact with the inner wall of the moving groove (501) and is in sliding connection with the inner wall of the moving groove, one end of the threaded rod (502) penetrates through the moving groove (501) to extend to the outside of the mounting block (8) and is connected with an adjusting motor (504), and the adjusting motor (504) is fixed to the outer wall of the mounting block (8) through bolts.
8. The welding jig for the automobile body frame according to claim 1, characterized in that: the clamping assembly (6) comprises a fixed clamping block (601) fixedly connected with the outer wall of the supporting block (4), a movable clamping block (602) is arranged above the fixed clamping block (601), an arc-shaped groove (603) is formed in the upper surface of the fixed clamping block (601) and the lower surface of the movable clamping block (602), a fixing plate (604) is welded on the upper surface of the movable clamping block (602), and the lower surface of one end, far away from the movable clamping block (602), of the fixing plate (604) is welded to the top of the movable clamping block (402).
9. The welding jig for the automobile body frame according to claim 8, characterized in that: every all bond rubber pad (607) in arc wall (603) that fixed clamp splice (601) was seted up, every all bond air cushion (606) in arc wall (603) that movable clamp splice (602) was seted up, the one side that centre gripping subassembly (6) was kept away from in supporting shoe (4) is installed miniature air pump (605) through the bolt, the delivery outlet sealing connection of miniature air pump (605) has flexible hose (608), the one end of flexible hose (608) passes fixed plate (604) and movable clamp splice (602) in proper order and communicates with each other with air cushion (606).
10. The welding jig for the automobile body frame according to claim 1, characterized in that: fixed subassembly (7) are including seting up cavity (701) that is located recess (401) both sides in supporting shoe (4), every the equal activity in inside of cavity (701) is equipped with limiting plate (704), every the top and the equal slip cover in bottom of limiting plate (704) are established on guide bar (706), every the one end of keeping away from recess (401) on guide bar (706) all is equipped with spring (707), every the both ends of spring (707) are respectively in cavity (701) inner wall and limiting plate (704) lateral wall fixed connection, and every the both ends of guide bar (706) all with the inner wall fixed connection of cavity (701), every limiting plate (704) are close to the one side welding of recess (401) and have joint piece (704), every joint piece (705) one end all runs through cavity (701) and extends to recess (401) in with joint groove (4021) plug-in connection, every limiting plate (704) another side welding has pull rod (704) that supporting shoe (4) were worn out to one end, every pull rod (703) are all kept away from the one end welding of pull rod (703) has the pull plate (702).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211515699.6A CN115647711A (en) | 2022-11-30 | 2022-11-30 | Welding fixture for automobile body framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211515699.6A CN115647711A (en) | 2022-11-30 | 2022-11-30 | Welding fixture for automobile body framework |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115647711A true CN115647711A (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211515699.6A Pending CN115647711A (en) | 2022-11-30 | 2022-11-30 | Welding fixture for automobile body framework |
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| Country | Link |
|---|---|
| CN (1) | CN115647711A (en) |
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| CN115846991A (en) * | 2023-02-21 | 2023-03-28 | 奥弗锐(福建)电子科技有限公司 | Massage armchair part welding jig |
| CN116141038A (en) * | 2023-03-16 | 2023-05-23 | 江苏华力精密机械有限公司 | Workpiece fixing device of CNC machining center |
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| CN104842213A (en) * | 2015-05-20 | 2015-08-19 | 江苏信合众泰精密机械有限公司 | Machine tool protection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115846991A (en) * | 2023-02-21 | 2023-03-28 | 奥弗锐(福建)电子科技有限公司 | Massage armchair part welding jig |
| CN116141038A (en) * | 2023-03-16 | 2023-05-23 | 江苏华力精密机械有限公司 | Workpiece fixing device of CNC machining center |
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