Roller rack robot welding fixture
Technical field
The utility model relates to welding fixture technical field, especially a kind of roller rack robot welding fixture.
Background technique
Roller rack is generally installed in belt conveyor, has the characteristics that type is more, quantity is big.Roller rack can be consolidated
Determine carrying roller, support belt, is the important support structure in belt conveyor.The good roller rack of welding quality is both fixed to be held in the palm
Roller ensures that the flexibility of carrying roller, and the radial beat eccentricity of carrying roller and axial movement value are controlled in the reasonable scope;It mentions simultaneously
For powerful support force, guarantee the even running of carrying roller and conveyer belt.Although roller rack structure is simple, high quality is produced
Roller rack not a duck soup.It at least needs to match two riveter and welders, welder after the completion of rivet welding using traditional welding fixture
Start to weld, higher to personnel's technical requirements, welding quality is difficult to ensure with consistency, and welding effect is not good enough.And traditional welding
Fixture commonality is not strong, and single clamp can only rivet welding appointed product.As cost of labor rises year by year, skilled worker is extremely short
It lacks, in the case that the technologies such as robot welding workstation reach its maturity, exploitation makes for robot welding workstation is mating
Common type roller rack welding fixture is extremely urgent.
Summary of the invention
The utility model to solve the above-mentioned problems, provides a kind of roller rack robot welding fixture.
The utility model takes following technical scheme:A kind of roller rack robot welding fixture, including public bottom beam, branch
Column hold-fast body, pillar positioning mechanism, lower margin board positioning mechanism, Quick change platform, crossbeam clamping mechanism, middle pillar positioning mechanism,
Middle pillar clamping mechanism, simple mounting plate and L block;Quick change platform, Quick change platform end or so two is arranged in public bottom beam upper surface
Side is symmetrical arranged pillar hold-fast body and pillar positioning mechanism, and lower margin board positioning mechanism is fixed on pillar hold-fast body and pillar is fixed
The upside of Quick change platform between the mechanism of position, pillar positioning mechanism and middle pillar clamping mechanism, quick change in setting in the middle part of Quick change platform
L block and crossbeam clamping mechanism are additionally provided in the middle part of platform, L block is placed in immediately below crossbeam clamping mechanism, and installation is equipped in the middle part of L block
Hole, mounting hole are oval countersunk head formula slot.
The pillar hold-fast body includes adjustment block, Pulling force pincer, guide groove, limited block, platen, shaft arm and pressure
Pincers, pressure clamp output end are fixed with platen, and pressure clamp side is hinged by shaft and shaft arm, and shaft arm end is provided with card
It hooks, one end of hook and guide groove connects, the guide groove other end and pulling force clipper joint, is provided with limited block, pulling force on guide groove
Pincers are fixed on pressure clamp, and adjustment block is provided between Pulling force pincer and pressure clamp.
The pillar positioning mechanism includes position portion, pedestal I, adjustment block I, adjustment gasket, mends high block and mend dais
I mends the bottom dais I and is provided with the high block of benefit, mends the adjustment block I, pedestal I for being equipped with the horizontal position adjustable pedestal I on the upside of dais I
Upside is fixed with position portion, and position portion includes supporting block I, welding hand vice I, linking arm I, adjustment plate I and pressure head I, branch
Bracer I is fixed on pedestal I, and the side supporting block I and one end of welding hand vice I are hinged, in the middle part of welding hand vice I and in the middle part of linking arm I
Hingedly, the one end linking arm I and supporting block I are hinged, and the linking arm I other end is equipped with pressure head I, are provided between linking arm I and pressure head I
Adjustment plate I.
The lower margin board positioning mechanism includes backing plate, and backing plate both ends pass through round pin and long round pin respectively and public bottom beam is solid
Fixed, backing plate bottom is equipped with gasket.
The crossbeam clamping mechanism includes crossbeam clamping mechanism pedestal, hand vice mounting base, hand vice, pressure head, hand vice handle,
It is fixed on the upside of crossbeam clamping mechanism pedestal in the middle part of hand vice mounting base and is equipped with groove, one end of hand vice mounting base one end and hand vice is cut with scissors
It connects, this one end of hand vice is also hinged with hand vice handle, and the hand vice other end is equipped with pressure head III.
The middle pillar positioning mechanism includes public position portion, adjustment gasket, remodels and mend high plate, mend dais II and tune
Monolith II remodels and mends high plate and be arranged in bottom, and remodeling to mend is equipped with adjustment gasket II on the upside of high plate, the adjustment side gasket II is equipped with can
The adjustment block II of its horizontal position is adjusted, is fixed on the upside of adjustment gasket II and mends dais II, is fixed at the top of benefit dais II public
Position portion, the public position portion include pedestal II, pull rod II, positioning pin II, spring II, limited block II, locating piece
II, linking arm II, concave-convex locating piece and welding hand vice II, pedestal II, which is fixed on, to be mended on dais II, is fixed at the top of pedestal II recessed
Convex locating piece, the top pedestal II are hinged with welding hand vice II, linking arm hinged with one end of linking arm II in the middle part of welding hand vice II
Agree in the middle part of II with concave-convex locating piece, linking arm II other end downside is fixed with positioning block II, in the horizontal direction of positioning block II
It is fixed with the limited block II of H-type, spring II is equipped in limited block II, is connect on the inside of the one end spring II and limited block II, spring II
Center is equipped with positioning pin II, and the spring II other end is connect with the end positioning pin II, and the positioning pin II other end is connect with positioning block II,
The positioning pin II other end passes through limited block II and is equipped with perforative circular hole in its end, is provided with rotatable pull rod in circular hole
II。
The middle pillar clamping mechanism includes pedestal III, pressure arm, hand vice seat III and hand vice III, and the top pedestal III is set
It is equipped with slot, slot is interior to be equipped with pressure arm by shaft, and the side pedestal III is provided with hand vice seat III, is provided with hand on hand vice seat III
Clamp III.
In above structure, the adjustment principle of adjustment block I and adjustment block II is identical.It adjusts on gasket I and adjustment gasket II all
It is provided with bolt hole, bolt is fixed in bolt hole, the diameter of bolt is less than the aperture of bolt hole, adjustment gasket I and adjustment gasket
II can be movable in certain amplitude, and adjustment block I and adjustment block II is respectively set in adjustment gasket I and the adjustment side gasket II, uses
In the position of fixed adjusting pad piece I and adjustment gasket II.To complete the work of adjustment position.
Compared with prior art processes, the utility model roller rack robot welding fixture when in use, is not welded
Product limitation, commonality are strong, frock clamp model needed for can switching according to institute's welding product is corresponding, according to base anchor, crossbeam,
The sequence of middle pillar and quarter line pillaring is installed at corresponding positioning mechanism, is carried out positioning by anchor point corresponding in mechanism and is stepped up, complete
At the group in prior art processes to link, and riveting, welding sequence are once completed.In the provisioning process due to positioning mechanism
Consider welding deformation direction, thus in welding process workpiece deformation extent very little, welding complete all positioning mechanisms are beaten
After opening, workpiece can be easily taken away.Whole process need to only configure a general work and can be operated.Welding efficiency, welding quality and production
Product consistency is greatly improved than prior art processes.
Detailed description of the invention
Fig. 1 is the utility model roller rack robot welding fixture structural schematic diagram;
Fig. 2 is the public bottom beam mechanism map of the utility model;
Fig. 3 is the utility model pillar hold-fast body figure;
Fig. 4 is the utility model pillar localization machine composition;
Fig. 5 is the utility model lower margin board positioning mechanism figure;
Fig. 6 is the utility model crossbeam clamping mechanism figure;
Fig. 7 is pillar localization machine composition in the utility model;
Fig. 8 is the utility model L block;
Fig. 9 is pillar clamping mechanism figure in the utility model;
Figure 10 is the simple mounting plate of the utility model.
The public bottom beam of 1- in figure, 1.1-L plate, 1.2- side plate, 1.3- locating slot, 1.4- positioning pin, 2- pillar hold-fast body,
2.1- adjustment block, 2.2- Pulling force pincer, 2.3- guide groove, 2.4- limited block, 2.5- platen, 2.6- shaft arm, 2.7- shaft, 2.8-
Pressure clamp, 3- pillar positioning mechanism, 3.1- mend high block, and 3.2- mends dais I, and 3.3- adjusts gasket I, 3.4- adjustment block I, 3.5- base
Seat I, 3.6- supporting block I, 3.7- limited block I, 3.8- pull rod I, 3.9- spring I, 3.10- positioning pin I, 3.11- pressure head I,
3.12- adjustment plate I, 3.13- linking arm I, 3.14- welding hand vice I, 4- lower margin board positioning mechanism, 4.1- backing plate, 4.2- round pin,
4.3- long round pin, 4.4- gasket, 5- Quick change platform, 6- crossbeam clamping mechanism, 6.1- crossbeam clamping mechanism pedestal, 6.2- hand vice peace
Seat is filled, 6.3- hand vice, 6.4- pressure head III, 6.5- hand vice handle, pillar positioning mechanism in 7-, 7.1-, which remodels, mends high plate, 7.2- tune
Monolith II, 7.3- mend dais II, and 7.4- pull rod II, 7.5- positioning pin II, 7.6- spring II, 7.7- limited block II, 7.8- is fixed
Position block II, 7.9- linking arm II, 7.10- bumps locating piece, 7.11- weld hand vice II, and 7.12- pedestal II, 7.13- adjust gasket
Pillar clamping mechanism in II, 8-, 8.1- pedestal III, 8.2- pressure arm, 8.3- hand vice seat III, 8.4- hand vice III, 9- are simply installed
Plate, 10-L block.
Specific embodiment
The utility model roller rack robot welding fixture is described in further details with reference to the accompanying drawing.
As shown in Figure 1, the utility model roller rack robot welding fixture, including public bottom beam, in public bottom beam(Figure
2)Both sides be provided with side plate, lifting lug is installed on side plate, facilitates the lifting of whole equipment, carry, on the outside of mounting plate further
It is provided with locating slot, the L-type connecting plate quickly connecting with positioner is provided in locating slot, is provided on L-type connecting plate quickly
The positioning pin of position is sought, the positioning hole used for replacing Quick change platform is provided on public bottom beam.
Quick change platform is mounted on public bottom beam front by quick change mounting hole and positioning pin.
Left pillar hold-fast body(Fig. 3)It is connected on Quick change platform after being completed by the mounting hole of bottom, size is micro-
Adjustment realizes that guide groove guarantees can when adjusting shaft arm front-rear position by guide groove and back limited block, adjustment block
In horizontality, guarantee that shaft arm is face contact face when limiting to quarter line pillaring, increasing friction force reduces in welding process
Deformation force.Operating process first connects Pulling force pincer pull rod and shaft arm leading portion hook, and quarter line pillaring is placed in by stroke closed state
Corresponding position, clossing pressure clamping band dynamic pressure disk compress quarter line pillaring, and positioning is completed.This mechanism principal security quarter line pillaring is taken with crossbeam
Generated deformation force is welded in the positioning accuracy of socket part point and resistance.The right pillar hold-fast body bilateral symmetry makes, the right branch
Column does not install the limited block for limiting crossbeam axial movement.
Quarter line pillaring positioning mechanism(Fig. 4)By public position portion, pedestal, supporting block, adjustment block, mend high block and benefit dais group
At public position portion is by positioning pin, welding hand vice, pressure head, adjustment plate, limited block, spring, linking arm, pull rod and welding hand
Pincers composition can be positioned according to the size of different product model mounting groove with quick change positioning pin to realize, different angle product is determined
Position is realized the positioning function of angle by different supporting blocks, is adjusted gasket at pressure head and is stepped up to realize, interpolating high pad piece and benefit are high
Quick change of the pedestal for different height product adjusts, and stretching and give up the throne limitation of the limited block for positioning pin, adjustment block are used for side
The adjustment of X and Y-direction in fixture at pillar positioning pin guarantee the position degree requirement of welding finished product locating slot, when adjustment
The thickness of gasket can be increased or decreased between pedestal and locating piece according to size requirements to realize.When clamping quarter line pillaring, first
Positioning pin pull rod pull-up is rotated and spring force is relied on to be stretched out, places at quarter line pillaring slot and detent fit, moves welding
Hand vice drive linking arm and pressure head to compress it.This mechanism purpose is to guarantee the position degree at quarter line pillaring welding inclination angle and mounting groove
It is required that.Each one group of setting of quarter line pillaring positioning mechanism bilateral symmetry.
Lower margin board positioning mechanism(Fig. 5)There are two positioning pins for every group of setting, and positioning pin is by a long round pin and a cylinder
Pin bank at, the position degree of long round pin limitation base anchor x-direction and y-direction, straight pin limit base anchor around long round pin center in X and
The rotary freedom of Y-direction, another purpose of straight pin is arranged causes welding to be completed to prevent from being crossed positioning by two long round pins
The drawback of pickup difficulty afterwards, positioning pin size can switch according to different product pore size, and lower margin board positioning mechanism sets two groups altogether,
It is respectively arranged at the installation site of Quick change platform corresponding product model.
Crossbeam clamping mechanism(Fig. 6)Two groups are arranged altogether, is made of hand vice, pedestal, pressure head and the high block of benefit, according to different product
Beam height requirement, increases or decreases gasket to realize required position degree requirement.
Middle pillar positioning mechanism(Fig. 7)Each one group of production of bilateral symmetry, by public position portion, interpolating high pad piece, benefit of remodeling
High plate and benefit dais, adjustment block composition.Public position portion includes:Pedestal, pull rod, positioning pin, spring, limited block, locating piece,
Linking arm, concave-convex locating piece and welding hand vice composition, can be positioned according to different product groove profile model with quick change positioning pin to realize,
It remodels to mend high plate and mend quick change of the high pedestal for different product and adjust, interpolating high pad piece is for publicly bit position in Z-direction
Adjustment, interpolating high pad piece are placed in pedestal and mend between dais, and adjustment block is used for X and the side Y in fixture at middle pillar positioning pin
To adjustment, guarantee the position degree requirement of welding finished product locating slot, dais and locating piece can mended according to size requirements when adjustment
Between increase or decrease the thickness of gasket to realize, the setting of concave-convex locating piece is prevented since linking arm is too long, welding deformation
Power and long-time occur to swing using rear positioning pin and locating piece influences finished product accuracy.
L block(Fig. 8)Main to play support, limit horizontal beam action, mounting hole is set as oval countersunk head formula slot, for meeting not
With back-and-forth motion adjustment needed for the positioning of big needle beam, L block requires to be placed in immediately below crossbeam clamping mechanism, prevents crossbeam from stepping up machine
Crossbeam is bent and because of crossbeam depressed deformation defect caused by welding by structure, and L block is arranged two altogether.
Middle pillar clamping mechanism(Fig. 9)It is made of pedestal, shaft, pressure arm, hand vice seat and hand vice, pedestal is at installation pressure arm
Be provided with slot, hand vice can be limited, the transition of pressure arm is squeezed, for different model product, replaceable different model pressure arm to prevent
Only the installation of different model product is the interference problem occurred, one group of bilateral symmetry production.
Simple mounting plate(Figure 10)It is arranged in public bottom beam reverse side, is provided with for pillar clamping mechanism in meeting(Fig. 9)
The hole location of required different location installation, one group of bilateral symmetry production.
The utility model roller rack robot welding fixture when in use, first has to guarantee that each mechanism hand vice are in opening
Left and right base anchor is placed at lower margin panel mounting mechanism, crossbeam is placed on base anchor by position, and crossbeam is required away from people side
It is bonded with L block, crossbeam left side requires to be bonded with left side pillar hold-fast body upper limit position block, later steps up crossbeam clamping mechanism
In place, positioning pin in left and right quarter line pillaring positioning mechanism is stretched out, left and right quarter line pillaring hold-fast body shaft arm rotate in place and will draw
Power clamps pull rod and shaft arm leading portion hook connects, and left and right quarter line pillaring locating slot is placed at positioning pin, hold-fast body pressure is closed
Power clamping band dynamic pressure disk compresses quarter line pillaring, moves quarter line pillaring positioning mechanism welding hand vice and linking arm and pressure head is driven to compress it,
Quarter line pillaring positioning is completed;Middle pillar positioning mechanism hand vice are adjusted to clamping position, positioning pin is stretched out, places and is propped up in left and right
Column, pressure arm to compacted position, middle pillar clamping mechanism side hand vice is stepped up in pillar clamping mechanism in overturning, prevents pressure arm from becoming
Automatically opening in the machine rotary course of position causes middle pillar to fall off.So far, workpiece is installed, and starts to weld.Due to positioning mechanism
Consider welding deformation direction in the provisioning process, thus in welding process workpiece deformation extent very little, welding completes institute
After having positioning mechanism opening, workpiece can be easily taken away.
The preferable case study on implementation created to the utility model above is illustrated, but the utility model is created simultaneously
It is not limited to case study on implementation, those skilled in the art can also make under the premise of without prejudice to the utility model creative spirit
Various equivalent variation or replacement, these equivalent variation or replacement are all contained in the claim of this application limited range
It is interior.