CN108422145A - A kind of large size adjustable frame structure welding fixture - Google Patents
A kind of large size adjustable frame structure welding fixture Download PDFInfo
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- CN108422145A CN108422145A CN201810355536.3A CN201810355536A CN108422145A CN 108422145 A CN108422145 A CN 108422145A CN 201810355536 A CN201810355536 A CN 201810355536A CN 108422145 A CN108422145 A CN 108422145A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Engineering & Computer Science (AREA)
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- Butt Welding And Welding Of Specific Article (AREA)
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Abstract
The invention discloses a kind of large-scale adjustable frame structure welding fixtures, including fixture base, quick change construction, fixed cell, pressing device, positioning device and workpiece, pedestal is made of square frame, guide rail, quick change construction is made of quick-release connector, connecting plate and reinforcing rib, fixed cell is made of crossbeam fixed cell and longeron fixed cell, pressing device includes that cylinder and replaceable briquetting, positioning device are made of positioning plate and sliding bottom, and workpiece includes crossbeam and longeron.The large size adjustable frame structure welding fixture combines the welding fixture of the welding workstation used now to carry out the innovative design in structure, and load-carrying 1500kg is realized using overturning positioner.Quick-changing mechanism can be such that different fixtures disassembles and installs on overturning positioner so that the installation and replacement of fixture are more easy.
Description
Technical field
The present invention relates to a kind of welding fixture of automatic robot's welding workstation more particularly to a kind of adjustable frames of large size
Frame structure welding fixture.
Background technology
Welding has a very wide range of application in the industrial production, has the title of " tailor " of industry manufacture, is widely used in vapour
In the industries such as vehicle, shipbuilding, aerospace, petrochemical industry, machine-building, energy source and power.It is often deposited in previous welding product
In open defects such as burr, slag inclusions and the manufacturing defect such as loose, stomata, crackle are welded, solve these manufacturing issues, it is basic
Method is to prevent the misoperation of welder in process of production.Due to labor shortage, it is manually-operated unstable and
The reasons such as the automation equipments cost such as welding robot decline, manufacturing business is automatic welding work station and automation
Choosing of the production line as the economy for improving the performance of enterprises and competitiveness.The prior art generally uses this component of human weld, effect
Rate is low, and security risk is big, and labor intensity is big.
And the fixture welding workstation used now more or less all comes with some shortcomings, such as application number
201510783553.3 Chinese patent literature discloses a kind of hydraulically operated fixture of welding robot workstation, although program reality
Showed it is simple in structure, securely and reliably, moreover it is possible to realize the overturning of workpiece, it is easy to use.But its adaptation workpiece ability is limited, Bu Nengman
The clamping of a variety of different size workpiece of foot, has limitation.
Invention content
The object of the present invention is to provide a kind of large-scale adjustable frame structure welding fixtures.
The purpose of the present invention is what is be achieved through the following technical solutions：
The present invention large-scale adjustable frame structure welding fixture, including fixture base 1, quick change construction 2, fixed cell 3,
Compressing unit 4, positioning unit 5, workpiece 6 and positioner 7；
The workpiece 6 includes upper beam 6-1, bottom end rail 6-2, left longeron 6-3 and right vertical beam 6-4, by the fixed cell
3, positioning unit 4 is fixed in 5 collective effect of compressing unit on clamp body, wherein left longeron 6-3 and right vertical beam 6-4 is perpendicular
The upward degree of freedom of histogram compresses by upper beam 6-1, bottom end rail 6-2 and realizes, upper beam 6-1, bottom end rail 6-2 left and right directions
Degree of freedom is compressed by positioning unit 5 and is realized；
The fixed cell 3 is by upper fixing device 3-1, lower fixing device 3-2, left fixing device 3-3, right fixing device 3-
4 compositions.Wherein, upper fixing device 3-1, lower fixing device 3-2 clamp dress by fixed cross beam 3-1-1, adjustable spring plunger
It sets 3-1-2, housing screw 3-1-3 and slippery fellow's 3-1-4 compositions, foxy 3-1-4 is installed in guide-track groove 1-5.Left fixing device 3-
3, right fixing device 3-4 is by fixed longeron 3-3-1, sliding slot 3-3-2, adjustable spring plunger clamping device 3-1-2 and compression
Screw 3-1-3 compositions, sliding slot 3-3-2 are installed on guide rail 1-2.Upper fixing device 3-1, lower fixing device 3-2 are respectively used to work
The fixation of upper beam 6-1, bottom end rail 6-2 in part 6 so that upper beam 6-1, bottom end rail 6-2 are with upper fixing device 3-1, lower solid
Determine device 3-2 to slide together.Left fixing device 3-3, right fixing device 3-4 are respectively used to left longeron 6-3 and right vertical beam in workpiece 6
The fixation of 6-4 so that left longeron 6-3 and right vertical beam 6-4 is slided together with left fixing device 3-3, right fixing device 3-4.On
Crossbeam 6-1, bottom end rail 6-2, left longeron 6-3 and right vertical beam 6-4 are in upper fixing device 3-1, lower fixing device 3-2, left fixed dress
It is to be fixed by adjustable spring plunger clamping device 3-1-2 to set the specific fixed form on 3-3, right fixing device 3-4.
Adjustable spring plunger clamping device 3-1-2 is adapted to different shape and various sizes of upper beam 6-1, bottom end rail 6-2, a left side
The fixation of longeron 6-3 and right vertical beam 6-4；
The fixture base 1 is made of square frame 1-1, guide rail 1-2, tie-beam 1-3, guide supporting beam 1-4, wherein just
The sides shape frame 1-1 open up guide-track groove 1-5, and guide rail 1-2 is welded on by welding manner on guide supporting beam 1-4, tie-beam 1-3
It is welded on square frame 1-1.Wherein, guide rail 1-2 is used for carrying left fixed cell 3-3, right fixed cell 3-4, left positioning dress
It sets 5-1 and right positioning device 5-2 slides on, guide rail 1-2 material selections cast iron or rigid material improve wearability.Guide-track groove 1-
5 lower side tabs divide positioning of the 1-5-1 for fixed cross beam 3-1-1, specific localization method to be to be withstood on by housing screw 3-1-3
Lower side tabs divide to be realized on 1-5-1, prevents housing screw 3-1-3 loosenings from causing equipped with block 1-5-2 in guide-track groove 1-5
Upper fixing device 3-1 falls off；
The quick change construction 2 includes mainly fixture quick-release connector 2-1, positioner quick-release connector 2-2 and connection bolt 2-3 groups
At the quick connection of different clamp bodies and positioner 7 may be implemented, greatly reduce the inconvenience brought when replacing fixture.It is described
Fixture quick-release connector 2-1 is welded on the outside of 1 square frame 1-1 of fixture base, and both ends are respectively distributed one, positioner quick-release connector 2-
2 carry for positioner itself, are connected two quick-release connectors by connecting bolt 2-3 so that replacement clamp body is more convenient, can
To avoid replacing other devices on work station are changed when clamp body；
The compressing unit 4 includes upper right pressing device 4-1, upper left pressing device 4-2, upper left pressing device 4-3 and a left side
Lower pressing device 4-4 compositions, wherein four pressing devices are made of cylinder 4-1-1 and briquetting 4-1-2, wherein cylinder 4-1-1
And briquetting 4-1-2 can replace to adapt to different dimension workpieces.Upper right pressing device 4-1, upper left pressing device 4-2 pass through bolt
Connection, is fixed on tie-beam 1-3, the distance between two pressing devices can be beaten according to actual conditions on tie-beam 1-3
It installs in hole.Upper left pressing device 4-3 and lower-left pressing device 4-4, which is bolted, to be fixed on the square frame 1-1 of left side；
The positioning unit 5 is made of left positioning device 5-1 and right positioning device 5-2, and two positioning device structures are identical,
It is made of small locating piece 5-1-1, positioning beam 5-1-2, big locating piece 5-1-3, sliding slot 3-1-2 and housing screw 3-1-3,
In, sliding slot 3-1-2 is mounted on guide rail 1-2 so that left positioning device 5-1 and right positioning device 5-2 is being led with sliding slot 3-1-2
It slides and slides on rail 1-2, left positioning device 5-1 and right positioning device 5-2 are located in and are led by rotatably compressing screw 3-1-3
On rail 1-2.
As seen from the above technical solution provided by the invention, large-scale adjustable frame knot provided in an embodiment of the present invention
Structure welding fixture, disclosure satisfy that the clamping of a variety of different workpieces, clamping rapid and convenient, adapt to that workpiece ability is strong, cost-effective, reality
Border application value is high.Workpiece size cannot be adapted to very well by solving error that human weld's misoperation is brought and existing fixture
The problems such as size.
Description of the drawings
Fig. 1 is that the structural schematic diagram of large-scale adjustable frame structure welding fixture provided in an embodiment of the present invention (is overlooked
Figure)；
Fig. 2, Fig. 3 are respectively 1 structural schematic diagram of fixture base (axonometric drawing) of the present invention, guide-track groove 1-5 partial enlarged views
(axonometric drawing)；
Fig. 4 is 2 structural schematic diagram of quick change construction (axonometric drawing) of the present invention
Fig. 5, Fig. 6, Fig. 7 are respectively 3 structural schematic diagram of fixed cell (vertical view) of the present invention, upper fixing device 3-1 knots
Structure schematic diagram (axonometric drawing), left fixing device 3-3 structural schematic diagrams (axonometric drawing)；
Fig. 8, Fig. 9 are respectively 4 structural schematic diagram of compressing unit (vertical view) of the present invention, upper left pressing device 4-1 structures
Schematic diagram (axonometric drawing)；
Figure 10, Figure 11 are respectively 5 structural schematic diagram of positioning unit (vertical view) of the present invention, left positioning unit 5-1 structures
Schematic diagram (axonometric drawing)；
Figure 12 is 6 structural schematic diagram of workpiece (axonometric drawing) of the present invention；
Figure 13 is the overall structure diagram (axonometric drawing) of the embodiment of the present invention.
Specific implementation mode
The embodiment of the present invention will be described in further detail below.What is be not described in detail in the embodiment of the present invention is interior
Appearance belongs to the prior art well known to professional and technical personnel in the field.
The large-scale adjustable frame structure welding fixture of the present invention, preferable specific implementation mode such as Fig. 1 to Figure 13 institutes
Show：
Including fixture base 1, quick change construction 2, fixed cell 3, compressing unit 4, positioning unit 5, workpiece 6 and positioner 7；
The workpiece 6 includes upper beam 6-1, bottom end rail 6-2, left longeron 6-3 and right vertical beam 6-4, by the fixed cell
3, positioning unit 4 is fixed in 5 collective effect of compressing unit on clamp body, wherein left longeron 6-3 and right vertical beam 6-4 is perpendicular
The upward degree of freedom of histogram is compressed by upper beam 6-1, bottom end rail 6-2 and is realized, upper beam 6-1, bottom end rail 6-2 are in the horizontal direction
On degree of freedom press 5 consolidations existing by positioning unit；
The fixed cell 3 includes upper fixing device 3-1, lower fixing device 3-2, left fixing device 3-3, right fixing device
3-4, fixed device 3-1, lower fixing device 3-2 are by fixed cross beam 3-1-1, adjustable spring plunger clamping device 3-
1-2, housing screw 3-1-3 and slippery fellow's 3-1-4 compositions, foxy 3-1-4 are installed in guide-track groove 1-5.Left fixing device 3-3, the right side
Fixing device 3-4 is by fixed longeron 3-3-1, sliding slot 3-3-2, adjustable spring plunger clamping device 3-1-2 and housing screw
3-1-3 is formed, and sliding slot 3-3-2 is installed on guide rail 1-2, and upper fixing device 3-1, lower fixing device 3-2 are respectively used in workpiece 6
Upper beam 6-1, bottom end rail 6-2 fixation so that upper beam 6-1, bottom end rail 6-2 are with upper fixing device 3-1, lower fixing device
3-2 is slided together.Left fixing device 3-3, right fixing device 3-4 are respectively used to left longeron 6-3 and right vertical beam 6-4 in workpiece 6
It is fixed so that left longeron 6-3 and right vertical beam 6-4 is slided together with left fixing device 3-3, right fixing device 3-4.Upper beam 6-
1, bottom end rail 6-2, left longeron 6-3 and right vertical beam 6-4 upper fixing device 3-1, lower fixing device 3-2, left fixing device 3-3,
Specific fixed form on right fixing device 3-4 is to be fixed by adjustable spring plunger clamping device 3-1-2.It is adjustable
Spring-loaded plunger clamping device 3-1-2 is adapted to different shape and various sizes of upper beam 6-1, bottom end rail 6-2, left longeron 6-
The fixation of 3 and right vertical beam 6-4；
The fixture base 1 includes square frame 1-1, guide rail 1-2, tie-beam 1-3, guide supporting beam 1-4, wherein rectangular
The sides frame 1-1 open up guide-track groove 1-5, and guide rail 1-2 is welded on by welding manner on guide supporting beam 1-4, tie-beam 1-3 welderings
It is connected on square frame 1-1.Wherein, guide rail 1-2 is used for carrying left fixed cell 3-3, right fixed cell 3-4, left positioning device
5-1 and right positioning device 5-2 slide on, and guide rail 1-2 material selections cast iron or rigid material improve wearability.Guide-track groove 1-5
Lower side tabs divide positioning of the 1-5-1 for fixed cross beam 3-1-1, specific localization method to be to be withstood on by housing screw 3-1-3
Lower side tabs divide to be realized on 1-5-1, prevents housing screw 3-1-3 loosenings from causing equipped with block 1-5-2 in guide-track groove 1-5
Upper fixing device 3-1 falls off；
The quick change construction 2 includes fixture quick-release connector 2-1, positioner quick-release connector 2-2 and connection bolt 2-3, it is described
Fixture quick-release connector 2-1 is fastened with the positioner quick-release connector 2-2 on overturning positioner 7 by connecting bolt 2-3；
The compressing unit 4 includes upper right pressing device 4-1, upper left pressing device 4-2, upper left pressing device 4-3 and a left side
Lower pressing device 4-4, wherein four pressing devices are made of cylinder 4-1-1 and briquetting 4-1-2；
The positioning unit 5 includes that left positioning device 5-1 and right positioning device 5-2 is formed, two positioning device structure phases
Together, it is made of small locating piece 5-1-1, positioning beam 5-1-2, big locating piece 5-1-3, sliding slot 3-1-2 and housing screw 3-1-3,
Sliding slot 3-1-2 is mounted on guide rail 1-2 so that left positioning device 5-1 and right positioning device 5-2 are as sliding slot 3-1-2 is in guide rail
It slides and slides on 1-2.
The lower fixing device 3-2, the right fixing device 3-4 of left fixing device 3-3 and 3-4 are solid by housing screw 3-1-3
Fixed, fixed device 3-1 is pushed jointly by upper right pressing device 4-1 and upper left pressing device 4-2 so that upper beam 6-1
Realization is contacted with left longeron 6-3 and right vertical beam 6-4 to compress.
The right positioning device 5-2 is fixed by housing screw 3-1-3, and left positioning device 5-1 passes through upper left pressing device
4-3 and lower-left pressing device 4-4 jointly push so that small locating piece 5-1-1 and big locating piece 5-1-3 respectively with upper beam 6-1 and
Bottom end rail 6-2 contacts compress to realize.
The present invention carries out innovative design using adjustable guide rail mode to clamp body, disclosure satisfy that the dress of a variety of different workpieces
Folder, clamping rapid and convenient, adaptation workpiece ability is strong, cost-effective, actual application value are high.Solves human weld's misoperation
The problems such as error brought and existing fixture cannot adapt to workpiece size size very well.
Compared with the prior art, the advantages of the present invention are as follows：The novel bed accessory welding fixture swing mechanism uses fixture generation
For the mode of artificial fixed bedstead, solve it is manually-operated it is unstable, efficiency is low, security risk is big, and labor intensity is big etc. asks
Topic.This large-scale frame structure welding fixture uses the form of pneumatic clamping, ensure that being accurately positioned for workpiece, it is each to reduce workpiece
Error during structure welding improves life using this problem of rail plate formula framework solution adaptation different size workpiece
Produce efficiency.
Specific embodiment：
As shown in figure 1 to figure 13, including fixture base 1, quick change construction 2, fixed cell 3, compressing unit 4, positioning unit
5, workpiece 6 and overturning positioner 7 form, the fixture base 1 (Fig. 2) by square frame 1-1, guide rail 1-2, tie-beam 1-3, lead
Rail supporting beam 1-4 compositions, the quick change construction 2 (Fig. 4) is by fixture quick-release connector 2-1, overturning overturning positioner quick-release connector 2-2
And connection bolt 2-3 compositions, the fixed cell 3 (Fig. 5) is by upper fixing device 3-1, lower fixing device 3-2, left fixing device
3-3, right fixing device 3-4 form, the compressing unit 4 (Fig. 8) include upper right pressing device 4-1, upper left pressing device 4-2,
Upper left pressing device 4-3 and lower-left pressing device 4-4 compositions, the positioning unit 5 (Figure 10) are fixed by left positioning device 5-1 and the right side
Position device 5-2 compositions, the workpiece 6 (Figure 12) includes upper beam 6-1, bottom end rail 6-2, left longeron 6-3 and right vertical beam 6-4 groups
At.
Fig. 2, Fig. 3 are respectively 1 structural schematic diagram of fixture base, guide-track groove 1-5 partial enlarged views, include mainly square frame
1-1, guide rail 1-2, tie-beam 1-3, guide supporting beam 1-4, guide-track groove 1-5, elongated structure 1-5-1, block 1-5-2.Two sides
The sides shape frame 1-1 are provided with guide-track groove 1-5, and guide supporting beam 1-4 is welded on two square frame 1-1, two square boxes
Frame 1-1 is weldingly connected by tie-beam 1-3, and guide rail 1-2 is welded on guide supporting beam 1-4.Guide-track groove 1-5 includes downside protrusion
Part 1-5-1 and block 1-5-2.Entire fixture base 1 uses frame form, and for workpiece welded seam, there are enough welding spaces
And weight loss effect.
Fig. 4 is 2 structural schematic diagram of quick change construction, including fixture quick-release connector 2-1, the overturning overturning fast changing-over of positioner
Head 2-2 and connection bolt 2-3, fixture quick-release connector 2-1 is welded in fixture base 1 on the outside of square frame 1-1, overturning overturning
Positioner quick-release connector 2-2 is that overturning positioner itself carries device.
Fig. 5, Fig. 6, Fig. 7 are respectively 3 structural schematic diagram of fixed cell, upper fixing device 3-1 structural schematic diagrams, left fixed dress
3-3 structural schematic diagrams are set, include mainly upper fixing device 3-1, lower fixing device 3-2, left fixing device 3-3, right fixing device
3-4, it fixed cross beam 3-1-1, adjustable spring plunger clamping device 3-1-2, housing screw 3-1-3, slippery fellow 3-1-4, fixes and indulges
Beam 3-3-1, sliding slot 3-3-2.Two adjustable bullets of installation on the fixed cross beam 3-1-1 by each fixing device are bolted
Distance is depending on actual conditions between spring plunger clamping device 3-1-2, two adjustable spring plunger clamping device 3-1-2,
At the both ends fixed cross beam 3-1-1 at slippery fellow 3-1-4 two housing screw 3-1-3 of installation respectively, by upper fixing device 3-1,
Slippery fellow 3-1-4 is assembled in corresponding guide-track groove 1-5 on fixed cross beam 3-1-1 in lower fixing device 3-2, each one up and down.It will
Sliding slot 3-3-2 in left fixing device 3-3, right fixing device 3-4 is sleeved on guide rail, can be slided on guide rail.It requires emphasis
It is that housing screw 3-1-3 mentioned above is all identical, and under fixture unused state, to avoid fixed cell 3 from falling off, passes through
Housing screw is tightened to be fixed.If left longeron 6-3 and when more right vertical beam 6-4 numbers in required welding workpiece 7, can be in guide rail
Increase 3-4 left fixing device 3-3, right fixing device number on 1-2.
Fig. 8, Fig. 9 are respectively 4 structural schematic diagram of compressing unit, upper left pressing device 4-1 structural schematic diagrams, upper right compression dress
4-1, upper left pressing device 4-2, upper left pressing device 4-3 and lower-left pressing device 4-4, four pressing devices are set by cylinder 4-
1-1 and briquetting 4-1-2 compositions, special briquetting 4-1-2 can be replaced according to actual conditions.Upper right pressing device 4-1, upper left compression
Device 4-2, which is bolted, to be fixed on tie-beam 1-3, between two pressing devices mounting distance according to actual conditions and
It is fixed.Upper left pressing device 4-3 and lower-left pressing device 4-4, which is bolted, to be fixed in fixture base 1 outside square frame 1-1
On lateral edges.
Figure 10, Figure 11 are respectively 5 structural schematic diagram of positioning unit, left positioning unit 5-1 structural schematic diagrams, including left positioning
Device 5-1, right positioning device 5-2, two positioning device structures are identical, by small locating piece 5-1-1, positioning beam 5-1-2, determine greatly
Position block 5-1-3, sliding slot 3-1-2 and housing screw 3-1-3 compositions.Small locating piece 5-1-1, big locating piece 5-1-3 are welded on positioning
On beam 5-1-2, sliding slot 3-1-2 is welded on the other side on positioning beam 5-1-2.And two sliding slot 3-1-2 are being just on positioning beam 5-1-2
Two housing screw 3-1-3 are respectively installed on center.Sliding slot 3-1-2 is sleeved on guide rail 1-2 so that left positioning device 5-1
It is slided with right positioning device 5-2 as sliding slot 3-1-2 is slided on guide rail 1-2.It is in working condition down and tightens housing screw 3-
1-3 makes left positioning device 5-1 and right positioning device 5-2 be fixed on guide rail 1-2 to fall to prevent anti-avulsion.
Figure 12 is 6 structural schematic diagram of workpiece, including upper beam 6-1, bottom end rail 6-2, left longeron 6-3 and right vertical beam 6-4.Work
Each beam is not limited only to rectangular in part 6, this clamp body can meet the welding of various shapes girder construction frame.
Operation principle：
Before adjustable frame structure welding fixture, need to simply it be understood, since welding fixture needs are matched
It closes overturning overturning positioner to use, first ensures that overturning positioner be in non-open state, first by upper beam after inspection no problem
6-1, bottom end rail 6-2, left longeron 6-3, right vertical beam 6-4 are separately mounted to fixing device 3-1, lower fixing device 3-2, left fixation
On device 3-3, right fixing device 3-4, fixing means is the adjustable spring plunger clamping device 3- in each fixing device of adjustment
Each beam is fixedly clamped in fixing device by 1-2.Adjust the housing screw 3- on left fixing device 3-3, right fixing device 3-4
1-3 is fixed in suitable position, adjusts the housing screw 3-1-1 on lower fixing device 3-2 and mobile lower fixing device 3-2 makes
It obtains bottom end rail 6-2 to contact with left longeron 6-3, right vertical beam 6-4, plays the positioning action to left longeron 6-3, right vertical beam 6-4.It is upper right
Cylinder 4-1-1 works with briquetting 4-1-2 in pressing device 4-1 and upper left pressing device 4-2, common to push upper fixing device 3-
1 movement makes upper beam 6-1 be contacted with left longeron 6-3, right vertical beam 6-4, realizes the compression of left longeron 6-3, right vertical beam 6-4.Pine
It unloads the housing screw 3-1-3 on right positioning device 5-2 and mobile right positioning device 5-2 makes small locating piece 5-1-1, big locating piece
5-1-3 is contacted with upper beam 6-1, bottom end rail 6-2 and tightened housing screw 3-1-3 respectively realizes positioning.Upper left pressing device 4-
3, cylinder 4-1-1 works with briquetting 4-1-2 in lower-left pressing device 4-4, and left positioning device 5-1 is pushed to move jointly so that
Small locating piece 5-1-1, big locating piece 5-1-3 contact realization pressure with upper beam 6-1, bottom end rail 6-2 respectively in left positioning device 5-1
Tightly.So far entire clamping process terminates, and can start to work after checking non-loosening.After the completion of welding, open in each fixing device
Adjustable spring plunger clamping device 3-1-2 completes the dismounting of workpiece using carriers such as lifting machine and fork trucks and is transported to finger
Positioning is set, and entire clamping, welding, disassembly process are completed.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art is in the technical scope of present disclosure, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (4)
1. a kind of large size adjustable frame structure welding fixture, which is characterized in that including fixture base (1), quick change construction (2),
Fixed cell (3), compressing unit (4), positioning unit (5), workpiece (6) and overturning positioner (7)；
The workpiece includes upper beam (6-1), bottom end rail 6-2, left longeron 6-3 and right vertical beam 6-4, by the fixed cell (3),
Positioning unit (5) is fixed in compressing unit (4) collective effect on clamp body；
The fixed cell (3) includes that upper fixing device (3-1), lower fixing device (3-2), left fixing device (3-3) and the right side are solid
Device (3-4) is determined, wherein upper fixing device (3-1), lower fixing device (3-2) are by fixed cross beam (3-1-1), adjustable spring
Plunger clamping device (3-1-2), housing screw (3-1-3) and foxy (3-1-4) composition, foxy (3-1-4) are installed on guide-track groove
In (1-5), left fixing device (3-3), right fixing device (3-4) are by fixed longeron (3-3-1), sliding slot (3-3-2), adjustable
Spring-loaded plunger clamping device (3-1-2) and housing screw (3-1-3) composition, sliding slot (3-3-2) are installed on guide rail (1-2)；
The fixture base (1) includes square frame (1-1), guide rail (1-2), tie-beam (1-3), guide supporting beam (1-4) group
At wherein the side square frame (1-1) opens up guide-track groove (1-5), and guide-track groove (1-5) interior structure includes elongated structure (1-5-1)
Positioning and block (1-5-2) for fixed cross beam (3-1-1) lead to upper fixing device to prevent housing screw (3-1-3) from loosening
(3-1) falls off, and guide rail (1-2) is welded on by welding manner on guide supporting beam (1-4), and tie-beam (1-3) is welded on rectangular
On frame (1-1)；
The quick change construction (2) includes fixture quick-release connector (2-1), overturning positioner quick-release connector (2-2) and connection bolt (2-
3), the fixture quick-release connector (2-1) is realized not with overturning positioner quick-release connector (2-2) by connecting bolt (2-3) connection
With the quick connection of clamp body and positioner (7)；
The compressing unit (4) includes upper right pressing device (4-1), upper left pressing device (4-2), upper left pressing device (4-3)
And lower-left pressing device (4-4) composition, wherein four pressing devices are made of cylinder (4-1-1) and briquetting (4-1-2), wherein
Cylinder (4-1-1) and briquetting (4-1-2) are replaced according to workpiece size difference；
The positioning unit (5) includes left positioning device (5-1) and right positioning device (5-2) composition, two positioning device structures
It is identical, by small locating piece (5-1-1), positioning beam (5-1-2), big locating piece (5-1-3), sliding slot (3-1-2) and housing screw
(3-1-3) is formed, wherein sliding slot (3-1-2) is mounted on guide rail (1-2).
2. large size adjustable frame structure welding fixture according to claim 1, which is characterized in that the lower fixing device
(3-2) and right fixing device (3-4) are compressed by housing screw (3-1-3) and realize fixation, and upper fixing device (3-1) and a left side are solid
Device (3-3) is determined respectively by upper right pressing device (4-1), upper left pressing device (4-2) and upper left pressing device (4-3) and a left side
Lower pressing device (4-4) compresses, and realizes the fixation of workpiece (6) each beam.
3. large size adjustable frame structure welding fixture according to claim 1, which is characterized in that the slippery fellow (3-1-
4) sliding, sliding slot (3-3-2) slide on guide rail in guide-track groove (1-5).
4. large size adjustable frame structure welding fixture according to claim 1, which is characterized in that the left longeron (6-
3) when, right vertical beam (6-4) number is more, by increasing left fixing device (3-3), right fixing device (3-4) on guide rail (1-2)
Number is fixed to meet longeron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN109396605A (en) * | 2018-11-23 | 2019-03-01 | 苏州奥曼恩自动化科技有限公司 | A kind of fixture fixing device and arc-welding work station |
| CN112025196A (en) * | 2020-09-21 | 2020-12-04 | 北京北方车辆集团有限公司 | Robot welding quick change frock |
| CN112139746A (en) * | 2020-09-23 | 2020-12-29 | 中国兵器工业集团航空弹药研究院有限公司 | Multi-structure frame combined welding tool fixture |
| WO2021027119A1 (en) * | 2019-08-13 | 2021-02-18 | 浙江大学台州研究院 | Outer frame alignment tool of automatic welding machine for fan base frame |
| CN112917056A (en) * | 2021-01-28 | 2021-06-08 | 陶定红 | Welding construction method for steel structure house framework |
| CN112942703A (en) * | 2021-02-04 | 2021-06-11 | 广东世纪达建设集团有限公司 | Construction method of Zhongting steel structure canopy |
| CN116038198A (en) * | 2023-04-03 | 2023-05-02 | 江苏奔宇车身制造有限公司 | Welding-based automatic chemical assembly method, assembly mechanism and assembly equipment |
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| CN116038198A (en) * | 2023-04-03 | 2023-05-02 | 江苏奔宇车身制造有限公司 | Welding-based automatic chemical assembly method, assembly mechanism and assembly equipment |
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