CN108127324A - A kind of positioner - Google Patents
A kind of positioner Download PDFInfo
- Publication number
- CN108127324A CN108127324A CN201711456602.8A CN201711456602A CN108127324A CN 108127324 A CN108127324 A CN 108127324A CN 201711456602 A CN201711456602 A CN 201711456602A CN 108127324 A CN108127324 A CN 108127324A
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- China
- Prior art keywords
- overturning
- fixedly connected
- support beam
- ball
- overturning cabinet
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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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The present invention relates to technical field of welding equipment, specifically disclose a kind of positioner, including stent, elevating mechanism, overturning cabinet, switching mechanism, support beam, swing mechanism, positioning fixture and balance weight assembly；Elevating mechanism is fixedly connected with stent, elevating mechanism can drive overturning cabinet to lift in the vertical direction, overturning cabinet is fixedly connected with switching mechanism, one end connection of switching mechanism and support beam, and support beam can be driven to overturn, swing mechanism is fixedly connected with support beam, and be sequentially connected with positioning fixture, swing mechanism can drive positioning fixture to rotate, and positioning fixture is used to fix workpiece to be welded, balance weight assembly is connect with overturning cabinet, and applies upward active force to overturning cabinet.The present invention realizes lifting, overturning and the revolution of workpiece to be welded by elevating mechanism, switching mechanism and swing mechanism, can accurately adjust the position of workpiece weld seam, solve the problems, such as that existing welding equipment can not accurately adjust position while welding.
Description
Technical field
The present invention relates to technical field of welding equipment more particularly to a kind of positioners.
Background technology
Welding is a kind of important machining process in modern industrial production, especially in the large-scale structural member of manufacture or
During the component of machine of person's complexity, welding procedure is more essential.In the welding process of workpiece, workpiece is needed to be in best
Welding position, to reach ideal welding effect.
Welding mainly puts into row workpiece turning using traveling crane at present, by being welded by hand.The artificial labor of this method
Fatigue resistance is big, and efficiency is low, and workpiece cannot reach optimum welding position, and there are security risks；The overturning and rotation of workpiece become
Position needs to occupy driving, wastes device resource, is unfavorable for the batch production of product.
Also have using the overturning positioner of posture one direction end to end, but workpiece can only rotate in one direction, workpiece position
It cannot reach optimum welding position, and in order to avoid workpiece and ground occur in switching process in the weld seam on other directions
Collision phenomenon generally needs to increase " melt pit ", is easy to cause operator in this way and " is made a misstep " when being welded and cause to fall,
There are larger security risks.
Invention content
Based on the above, the purpose of the present invention is to provide a kind of positioner, to solve weldering of the prior art
The problem of connecing equipment cannot make the weld seam of workpiece reach optimum welding position.
For this purpose, the present invention uses following technical scheme：
A kind of positioner, including stent, elevating mechanism, switching mechanism, support beam, overturning cabinet, swing mechanism,
Positioning fixture and balance weight assembly；
The elevating mechanism is fixedly connected with the stent, and the elevating mechanism can drive the overturning cabinet vertical
It being lifted on direction, the overturning cabinet is fixedly connected with the switching mechanism, and the switching mechanism is connect with the support beam,
And the support beam can be driven to overturn, the swing mechanism is fixedly connected with the support beam, and with the locating clip
Tool connection, the swing mechanism can drive the positioning fixture to rotate, and the positioning fixture is used to fix workpiece to be welded, institute
It states balance weight assembly to connect with the overturning cabinet, and applies upward active force to the overturning cabinet.
Preferably, the elevating mechanism includes rack-mount lifting motor, the output with the lifting motor
The transmission component of axis connection, at least two ball-screws and the sliding nut being connect with the transmission component, the ball wire
Thick stick is connect by bearing with the stent, each described ball-screw is threadedly coupled at least one sliding nut,
The sliding nut is fixedly connected with the overturning cabinet, and the lifting motor can drive at least two balls simultaneously
Leading screw rotates.
Preferably, the lifting motor is symmetrical twin shaft output motor, the elevating mechanism includes two balls
Leading screw, the transmission component include respectively with two the first angular wheels of the output axis connection at the lifting motor both ends, with
And two the second angular wheels engaged respectively with two first angular wheels, two second angular wheels respectively with
Two ball-screws are fixedly connected, the axis of the two second angular wheels axis with two ball-screws respectively
Line overlap and vertically.
Preferably, the transmission component includes the first driving wheel with the output axis connection of the lifting motor, at least
Two the first driven wheels and the first synchronous belt of connection first driving wheel and at least two first driven wheels, institute
State the first driven wheel quantity and the ball-screw quantity it is equal, the ball-screw and first driven wheel one are a pair of
Should connect, and axis overlap and vertically.
Preferably, the switching mechanism includes the upset motor being fixedly mounted on the overturning cabinet, turned over described
The second driving wheel and turning-over support of the output axis connection of rotating motor, the turning-over support include consolidating with the overturning cabinet
Fixed connection overturning outer ring and the overturning inner ring being connect with the overturning outer ring rotating, the overturning inner ring and the described second master
Driving wheel internal messing, one end of the support beam are fixedly connected with the end face of the overturning inner ring.
Preferably, the swing mechanism includes the turning motor being mounted in the support beam, with the revolution electricity
The third driving wheel and revolving support that machine output shaft is fixedly connected, the revolving support include fixing with the support beam
The revolution outer ring of connection and with the revolution inner ring that connect of revolution outer ring rotating, in the third driving wheel and the revolution
Internal messing is enclosed, the positioning fixture is removably mounted on the end face of the revolution inner ring.
Preferably, it is characterized in that, the balance weight assembly includes installation on the bracket and positioned at the inverted box
At least two first pulleys above body, successively around the steel wire rope on the outside of at least two first pulleys and with it is described
The clump weight that steel wire rope one end is fixedly connected, the other end of the steel wire rope are fixedly connected with the overturning cabinet.
Preferably, further including torque compensation component, the torque compensation component includes being mounted on the inverted box side
The sliding rail of at least one set of pulley blocks and setting in face on the bracket, pulley blocks described in every group include vertically setting
At least two second pulleys put, the snug engagement of the peripheral surface of the second pulley and the sliding rail.
Preferably, further including hoistable platform, the hoistable platform includes two guide rails being layed on ground, with two
Platform base that the guide rail is slidably matched and above the platform base and relatively described platform base can be perpendicular
The operation console that Nogata lifts upwards, two guide rail parallels and interval setting, the both ends of the guide rail are located at the branch respectively
Support the both sides of crossbeam.
Preferably, the hoistable platform further includes safe fence and staircase on operation console, the safety is enclosed
Side wall of the bottom end on column respectively with the operation console surrounding is fixedly connected, and the top of the safe fence is located at the operation console
Top, the top of the staircase are fixedly connected and flush with the top of the operation console.
Beneficial effects of the present invention are：By the way that positioning fixture is arranged on swing mechanism, workpiece to be welded can be made
It rotates in a first direction, support beam and the swing mechanism being fixed in support beam is driven integrally to turn over by switching mechanism
Turn, can be overturn in a second direction so as to workpiece to be welded, by elevating mechanism drive switching mechanism, support beam with
And the swing mechanism in support beam is lifted, it, can so as to which workpiece to be welded can be lifted in the vertical direction
So that the lifting that workpiece can be realized on vertical direction can be realized and be rotated in two directions again, effectively solve existing
The problem of welding manner in technology cannot make workpiece reach optimum welding position；Meanwhile by setting two stents, and pass through
Two groups of switching mechanisms drive support beam overturning, support beam are driven to lift by two groups of elevating mechanisms, can make two stents
Uniform stressed reduces the connecting portion and switching mechanism and support beam of switching mechanism on each stent and elevating mechanism
The torque that connecting portion is born, so as to be suitable for heavier to-be-welded pieces.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, institute in being described below to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example for those of ordinary skill in the art, without creative efforts, can also be implemented according to the present invention
The content of example and these attached drawings obtain other attached drawings.
Fig. 1 is a kind of schematic diagram for positioner that embodiment of the present invention provides；
Fig. 2 is a kind of schematic diagram of the elevating mechanism of positioner in Fig. 1；
Fig. 3 is a kind of schematic diagram of the switching mechanism of positioner in Fig. 1；
Fig. 4 is a kind of schematic diagram of the swing mechanism of positioner in Fig. 1；
Fig. 5 is a kind of schematic diagram of the balance weight assembly of positioner in Fig. 1；
Fig. 6 is a kind of schematic diagram of the torque compensation component of the elevating mechanism of positioner in Fig. 1；
Fig. 7 is a kind of schematic diagram of the hoistable platform of the elevating mechanism of positioner in Fig. 1.
In figure：
1- stents；11- rack bodies；111- top plates；112- bottom plates；Tetra- cycle side plates of 113-；114- supporting legs；12- shields；
2- elevating mechanisms；21- lifting motors；22- transmission components；The first angular wheels of 221-；The second angular wheels of 222-；
23- ball-screws；24- sliding nuts；25- bearings；
3- switching mechanisms；31- upset motors；The second driving wheels of 32-；33- turning-over supports；331- overturns outer ring；332- is turned over
Turn inner ring；
4- support beams；
5- overturning cabinets；
6- swing mechanisms；61- turning motors；62- third driving wheels；63- revolving supports；631- turns round outer ring；632- is returned
Turn inner ring；
7- positioning fixtures；
8- balance weight assemblies；81- first pulleys；82- steel wire ropes；83- clump weights；
9- torque compensation components；91- pulley blocks；911- second pulleys；92- sliding rails
10- hoistable platforms；101- guide rails；102- platform bases；103- elevating levers；104- hydraulic cylinders；105- operation consoles；
106- safe fences.
Specific embodiment
For make present invention solves the technical problem that, the technical solution that uses and the technique effect that reaches it is clearer, below
The technical solution of the embodiment of the present invention will be described in further detail with reference to attached drawing, it is clear that described embodiment is only
It is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art exist
All other embodiments obtained under the premise of creative work are not made, shall fall within the protection scope of the present invention.
The present embodiment provides a kind of positioner, as shown in Fig. 1~7, including two stents, 1, two elevating mechanism 2,
Two overturning cabinets, 5, two switching mechanisms 3, support beam 4, swing mechanism 6 and positioning fixture 7, two stents 1 are opposite to be set
It puts, and is internally provided with cavity, two overturning cabinets 5 are located at respectively in the cavity inside two stents 1, two elevating mechanisms 2
It is separately fixed on two stents 1 and respectively with two overturning cabinets 5 and connects, two elevating mechanisms 2 can drive two respectively
A overturning cabinet 5 is lifted in the vertical direction, and two switching mechanisms 3 are separately fixed on two overturning cabinets 5, and two are turned over
Rotation mechanism 3 connects respectively with two end faces on 4 length direction of support beam, and two switching mechanisms 3 can drive support beam 4
It is overturn, swing mechanism 6 is fixed in support beam 4 and is connect with positioning fixture 7, and swing mechanism 6 can drive positioning
Fixture 7 rotates, and positioning fixture 7 is used to fix workpiece to be welded.By above-mentioned setting, workpiece to be welded can be in swing mechanism 6
Drive under turn round, overturn, can also be lifted under the drive of elevating mechanism 2 under the drive of switching mechanism 3, so as to
Enough positions for accurately adjusting workpiece weld seam to be welded.
As shown in Figure 2 and Figure 5, stent 1 includes rack body 11 and shield 12, and rack body 11 is shell in the present embodiment
Body including top plate 111, is oppositely arranged with top plate 111 and positioned at the bottom plate 112 of 111 lower section of top plate, connects top plate 111 and bottom plate
112 four cycle side plates 113 and the supporting leg 114 positioned at 112 bottom of bottom plate, shield 12 are located at the top of top plate 111, and
It is detachably connected with top plate 111.
It should be noted that two stents 1 in the present embodiment are oppositely arranged, since the needs of support beam 4 move up and down,
Thus the side wall of the opposite side of two stents 1 is open, and outer mask is equipped with organ cover, is moved up and down when support beam 4
In the process, organ cover is shunk and is stretched accordingly, by the way that organ cover is set to be protected.What two stents 1 were located remotely from each other
The side wall of side is set as detachable structure, convenient to carry out care and maintenance to being located at the component inside stent 1.Bottom plate 112
Lower section is the pedestal that channel steel is welded, and supporting leg 114 is mounted on pedestal, while height can also be installed on each angle of pedestal
The foundation bolt that can adjust is spent, it, can be by adjusting the height of each foundation bolt so as to when the out-of-flatness of ground
It is levelling.
As shown in Fig. 2, elevating mechanism 2 includes 22, two lifting motor 21, transmission component ball-screws 23, two slips
Nut 24 and four bearings 25, lifting motor 21 are located in shield 12, and are fixedly connected with top plate 111, transmission component 22 with
The output axis connection of lifting motor 21, transmission component 22 are fixedly connected respectively with two ball-screws 23, two ball-screws 23
Axis vertically, two bearings 25 are separately installed on two ball-screws 23, two ball-screws 23 pass through two
A bearing 25 is rotatablely connected respectively with top plate 111 and bottom plate 112, and sliding nut 24 is separately mounted to two ball-screws 23
On, and it is threadedly coupled respectively with two ball-screws 23, two sliding nuts 24, two sides opposite with overturning cabinet 5 respectively
Face is fixedly connected, and in the present embodiment, lifting motor 21 drives two ball-screws 23 to rotate, since two ball-screws 23 are opposite
Stent 1 is relatively-stationary, thus two sliding nuts 24 can drive overturning cabinet 5 to lift in the vertical direction.It needs
It is noted that the lifting motor 21 in the present embodiment can be rotated forward and can also be inverted.
Preferably, the lifting motor 21 in the present embodiment be symmetrical twin shaft output motor, the axis of the output shaft of motor
Line is horizontally disposed, transmission component 22 include two the first angular wheels 221 and two the second angular wheels 222, two
First angular wheel 221 is respectively and fixedly installed on the output shaft at 21 both ends of lifting motor, and two the second angular wheels 222 are distinguished
Engaged with two the first angular wheels 221, the axis of two the second angular wheels 222 vertically, two the second tapers
Gear 222 is fixedly connected respectively with two ball-screws 23 by flat key, when lifting motor 21 is rotated, can simultaneously band
It moves two the first angular wheels 221 to rotate, and then two the second angular wheels 222 is driven to rotate, so as to drive two ball wires
Thick stick 23 rotates.
It is understood that the lifting motor in the present embodiment may be uniaxial output motor (attached to be not shown in figure),
The axis of the output shaft of motor vertically, correspondingly, transmission component can be include first driving wheel, two first
Driven wheel and synchronous belt, the first driving wheel are fixedly mounted on the output shaft of lifting motor, the axis of two the first driven wheels
Vertically and be respectively fixedly connected with two ball-screws 23 by flat key, the first driving wheel and two first from
Driving wheel passes through synchronous band connection.
(do not show in attached drawing it will also be appreciated that the lifting motor in the present embodiment also can also be uniaxial output motor
Go out), the axis of the output shaft of motor vertically, correspondingly, transmission component can also be to include two the first driving wheels, two
A first driven wheel and two synchronous belts, two the first driving wheels are fixedly mounted on the output shaft of lifting motor and edge
Vertical direction is arranged at intervals, and the axis of two the first driven wheels vertically and respectively passes through with two ball-screws 23
Flat key is fixedly connected, and two the first driven wheels are respectively correspondingly located at two the first driving wheels on sustained height, and first actively
Wheel and corresponding first driven wheel pass through synchronous band connection.
As shown in figure 3, switching mechanism 3 includes upset motor 31, the second driving wheel 32 and turning-over support 33, upset motor
31 are located in overturning cabinet 5 and are fixedly connected with overturning cabinet 5, and the second driving wheel 32 is fixedly mounted on the defeated of upset motor 31
On shaft, turning-over support 33 includes overturning outer ring 331 and overturning inner ring 332, and overturning inner ring 332 is internal-gear, overturns inner ring
332 and overturning outer ring 331 it is coaxial and pass through rolling positioned at the inside of overturning outer ring 331, overturning inner ring 332 and overturning outer ring 331
Pearl is rotatablely connected, and overturning outer ring 331 is fixedly connected with overturning cabinet 5, and 332 and second driving wheel of overturning inner ring, 32 internal messing turns over
The end face for turning inner ring 332 is fixedly connected with one end of support beam 4, the end face difference of two overturning inner rings 332 in the present embodiment
It is fixedly connected with two end faces on 4 length direction of support beam, two the second driving wheels is driven by two upset motors 31
32 rotations, two the second driving wheels 32 drive two overturning inner rings 332 and the whole overturning of support beam 4 respectively.Pass through two
Overturning inner ring 332 is supported support beam 4, and support force is passed to two overturning outer rings by two overturning inner rings 332 respectively
331, support force is passed to two overturning cabinets 5 by two overturning outer rings 331 respectively, and each overturning cabinet 5 passes through both sides respectively
Sliding nut 24 pass to two ball-screws 23, and pass through ball-screw 23 and be ultimately transferred to two stents 1.Thus slide
The junction of nut 24 and ball-screw 23 subjects very big active force and torque, the especially weight when workpiece to be welded
When heavier, there is higher requirement for the performance of sliding nut 24 and ball-screw 23.It should be noted that upset motor 31
Can rotate forward can also invert, and support beam 4 can be driven to carry out continuous 360 ° and rotated, in the present embodiment, the rotation of support beam 4
Shaft axis is in the horizontal direction.
As shown in figure 4, swing mechanism 6 includes turning motor 61, third driving wheel 62 and revolving support 63, turning motor
61 are mounted in support beam 4, and the output shaft of turning motor 61 is vertical with a side of support beam 4, third driving wheel 62
It is fixedly mounted on the output shaft of turning motor 61, revolving support 63 includes revolution outer ring 631 and turns round inner ring 632, in revolution
Circle 632 is internal-gear, and revolution inner ring 632 is coaxial with revolution outer ring 631 and is located at turn around the inside of outer ring 631, in revolution
Circle 632 and revolution outer ring 631 are rotatablely connected by rolling element, and revolution outer ring 631 is fixedly connected with support beam 4, turns round inner ring
632 with 62 internal messing of third driving wheel, and the end face and positioning fixture 7 for turning round inner ring 632 connect.It should be noted that locating clip
Tool 7 is removably connect with revolution inner ring 632, so as to when welding different workpiece, change and mutually be fitted with workpiece to be welded
The positioning fixture 7 matched.
Preferably, as shown in figure 5, the positioner further includes balance weight assembly 8, balance weight assembly 8 include two first pulleys 81,
Steel wire rope 82 and clump weight 83, two first pulleys 81 are located in the internal cavities of rack body 11 and are fixedly mounted on top plate
On 111, one end of steel wire rope 82 is fixedly connected with the upper surface of overturning cabinet 5, and steel wire rope 82 is around two first pulleys 81
Outside, the other end are fixedly connected with clump weight 83.It should be noted that top plate 111 is used for steel equipped with corresponding steel wire rope 82
Cord 82 penetrates and is pierced by the through-hole of top plate 111, and clump weight 83 is located in the internal cavities of rack body 11, and steel wire rope 82 is with turning over
The junction of turnning box body 5 and steel wire rope 82 junction with two first pulleys 81 respectively, on same perpendicular.This
Two set of weights components 8 are equipped in embodiment in each stent 1, one is provided upwards to overturning cabinet 5 by clump weight 83
Active force, be equivalent to mitigate support beam 4 for the downward active force of overturning cabinet 5, so as to reduce sliding nut 24
With the active force of the junction of ball-screw 23, and then the service life of ball-screw 23 and sliding nut 24 ensure that, simultaneously
The load of lifting motor 21 can also be reduced.It should be noted that the specific weight of the clump weight 83 in the present embodiment can root
It is adjusted correspondingly according to the specific weight of workpiece to be welded and the own wt of support beam 4.Certainly, in the present embodiment
Each clump weight 83 can also be connected to by more steel wire ropes 82 on overturning cabinet 5.
Preferably, as shown in fig. 6, the positioner further includes torque compensation component 9, torque compensation component 9 includes at least one
Group pulley blocks 91 and the sliding rail 92 being arranged on stent 1, pulley blocks 91 are fixedly mounted on the side wall of overturning cabinet 5, pulley
Group 91 includes at least two spaced second pulleys 911 in the vertical direction, the pivot center of each second pulley 911
In the horizontal direction, vertically, each second pulley 911 is slidably matched with sliding rail 92, specifically in the direction of sliding rail 92
, the circumferential surface of the second pulley 911 and side of sliding rail 92 is in contact and second pulley 911 can be slided along sliding rail 92.This reality
It applies in example, four groups of pulley blocks 91 is equipped on each overturning cabinet 5, and every group of pulley blocks 91 include two second pulleys
911, it is corresponding that four one slide rails 92 are equipped on each stent 1, specifically, sliding spiral shells with two respectively on overturning cabinet 5
One group of pulley blocks 91 is separately installed in the two side walls of 24 connection of mother, two are separately installed in 1 corresponding two side walls of stent
One slide rail 92, and two pulley blocks 91 are located between two one slide rail 92, that is to say, that two pulley blocks 91 respectively with two
Two opposite sides of sliding rail 92 are slidably connected, so as to when switching mechanism 3 drives support beam 4 to be overturn, prevent
Overturning cabinet 5 shakes in the radial direction along second pulley 911, and realizing reduces sliding nut 24 slides with ball-screw 23 along second
Take turns the purpose of 911 active force and torque in the radial direction.
Preferably, as shown in fig. 7, the positioner further includes hoistable platform 10, hoistable platform 10 includes guide rail 101, platform
102, two pairs of elevating levers 103 of pedestal, hydraulic cylinder 104, operation console 105, safe fence 106 and staircase (attached to be not shown in figure),
The laying of two 101 parallel intervals of guide rail on the ground, and the both ends of two guide rails 101 flush and respectively be located at support beam
4 both sides, platform base 102 is mounted on by pulley on two guide rails 101, and opposite rail 101 can slide, hydraulic oil
One end of 104 ontology of cylinder is hinged with platform base 102, and the other end is hinged with elevating lever 103.One end of two pairs of elevating levers 103 with
Platform base 102 is flexibly connected, and the other end is flexibly connected with operation console 105, the one pair of which and another pair of two pairs of elevating levers 103
Interconnection is corresponded, axis pin is provided at interconnection to realize the flexible connection of cross one another elevating lever 103,
Middle a pair of elevating lever 103 is hinged by (attached to be not shown in figure) connection of connecting rod, the output terminal and connecting rod of hydraulic cylinder 104,
Safety barrier is mounted on the surrounding of operation console 105, specifically, the bottom end of safety barrier and the side wall of 105 surrounding of operation console
It welds, one end at the top of safety barrier is located at the top of operation console 105, and top one end of staircase and the top of operation console 105 are neat
It puts down and by being welded to connect, when operation console 105 is in extreme lower position, the bottom end of staircase and ground contact or slightly higher
In ground, by setting staircase can the person's of being conveniently operated down operation platform 105.During welding, according to the specific of weld seam
Position adjustment swing mechanism 6, switching mechanism 3 and elevating mechanism 2, make weld seam be in optimum position, then adjust hoistable platform
10 and the relative position and relative altitude of support beam 4, member easy to operation carries out weld job.
Preferably, positioning fixture 7 (concrete structure of positioning fixture 7 is not shown in figures) including fixture base and
Preceding jacking mechanism, four upper-lower compacting mechanisms, right locating piece, post-positioning block and two left sides in fixture base are held out against
Mechanism, the positioning fixture 7 in the present embodiment be used for and workpiece to be welded on square hole be used cooperatively, here, for the ease of reason
Four sides of square hole are respectively defined as the front of square hole, the back of square hole, the left side of square hole and square hole by solution
During clamping, the surface of workpiece square hole side to be welded is adjacent to fixture base for the right, and makes preceding jacking mechanism, up and down
Hold-down mechanism, right locating piece, post-positioning block and left jacking mechanism are respectively positioned in square hole, while make post-positioning block and square hole
Back is bonded, and the right fitting of right locating piece and square hole is forward extended out and held out against by jacking mechanism before hydraulic-driven at this time
It in the front of square hole, is stretched out, held out against in the left side of square hole, four upper-lower compactings to the left by two left jacking mechanisms
Two in mechanism close to the left side of square hole, close to the right of square hole, four upper-lower compacting mechanisms are downward for other two
To-be-welded pieces are pressed in fixture base by contraction, can will be to be welded by the square hole on workpiece to be welded by above-mentioned design
Workpiece is connect to be positioned completely in all directions.
It should be noted that preceding jacking mechanism, four upper-lower compacting mechanisms, right locating piece, rear positioning in the present embodiment
Block and two left jacking mechanisms can be driven by hydraulic device or pneumatic shuttle.
Note that it above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiment described here, can carry out for a person skilled in the art various apparent variations,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
It can include other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
1. a kind of positioner, which is characterized in that including stent (1), elevating mechanism (2), switching mechanism (3), support beam
(4), overturning cabinet (5), swing mechanism (6), positioning fixture (7) and balance weight assembly (8)；
The elevating mechanism (2) is fixedly connected with the stent (1), and the elevating mechanism (2) can drive the overturning cabinet
(5) it lifts in the vertical direction, the overturning cabinet (5) is fixedly connected with the switching mechanism (3), the switching mechanism (3)
It is connect with the support beam (4), and the support beam (4) can be driven to overturn, the swing mechanism (6) and the support
Crossbeam (4) is fixedly connected, and is connect with the positioning fixture (7), and the swing mechanism (6) can drive the positioning fixture
(7) it rotates, for fixing workpiece to be welded, the balance weight assembly (8) connects the positioning fixture (7) with the overturning cabinet (5)
It connects, and applies upward active force to the overturning cabinet (5).
2. a kind of positioner according to claim 1, which is characterized in that the elevating mechanism (2) is including being mounted on
Lifting motor (21) on stent (1), the transmission component (22) with the output axis connection of the lifting motor (21), with the biography
At least two ball-screws (23) and the sliding nut (24) of dynamic component (22) connection, the ball-screw (23) pass through
Bearing is connect with the stent (1), each described ball-screw (23) connects at least one sliding nut (24) screw thread
Connect, the sliding nut (24) is fixedly connected with the overturning cabinet (5), the lifting motor (21) can drive simultaneously to
Few two ball-screw (23) rotations.
3. a kind of positioner according to claim 2, which is characterized in that the lifting motor (21) is symmetrical twin shaft
Output motor, the elevating mechanism (2) include two ball-screws (23), the transmission component (22) including respectively with institute
State the output axis connection at lifting motor (21) both ends two the first angular wheels (221) and respectively with two described first
Angular wheel (221) engagement two the second angular wheels (222), two second angular wheels (222) respectively with two
The ball-screw (23) is fixedly connected, the axis of two second angular wheels (222) respectively with two ball wires
The axis of thick stick (23) overlaps and vertically.
4. a kind of positioner according to claim 2, which is characterized in that the transmission component (22) including with it is described
First driving wheel of the output axis connection of lifting motor (21), at least two first driven wheels and connection described first are actively
First synchronous belt of wheel and at least two first driven wheels, the quantity of first driven wheel and the ball-screw (23)
Quantity it is equal, the ball-screw (23) and first driven wheel connect one to one, and axis overlaps and along perpendicular
Nogata to.
5. a kind of positioner according to claim 1, which is characterized in that the switching mechanism (3) is pacified including fixed
Upset motor (31) on the overturning cabinet (5), the second active with the output axis connection of the upset motor (31)
(32) and turning-over support (33) are taken turns, the turning-over support (33) is including being fixedly connected with overturning outer ring with the overturning cabinet (5)
(331) and with it is described overturning outer ring (331) rotation connection overturning inner ring (332), it is described overturning inner ring (332) with it is described
Second driving wheel (32) internal messing, one end of the support beam (4) are fixedly connected with the end face of the overturning inner ring (332).
6. a kind of positioner according to claim 1, which is characterized in that the swing mechanism (6) is including being mounted on
Turning motor (61) on the support beam (4), the third driving wheel being fixedly connected with the turning motor (61) output shaft
(62) and revolving support (63), the revolving support (63) includes the revolution outer ring that is fixedly connected with the support beam (4)
(631) and the revolution inner ring (632) with revolution outer ring (631) rotation connection, the third driving wheel (62) and described
Inner ring (632) internal messing is turned round, the positioning fixture (7) is removably mounted on the end face of the revolution inner ring (632).
7. according to a kind of positioner of claim 1-6 any one of them, which is characterized in that balance weight assembly (8) packet
At least two first pulleys (81) on the stent (1) and above the overturning cabinet (5) are included, are bypassed successively
Steel wire rope (82) on the outside of at least two first pulleys (81) and match with what the steel wire rope (82) one end was fixedly connected
Pouring weight (83), the other end of the steel wire rope (82) are fixedly connected with the overturning cabinet (5).
8. a kind of positioner according to claim 7, which is characterized in that torque compensation component (9) is further included, it is described
Torque compensation component (9) is including being mounted at least one set of pulley blocks (91) of the overturning cabinet (5) side and being arranged on institute
The sliding rail (92) on stent (1) is stated, pulley blocks (91) described in every group include at least two second pulleys that vertically set
(911), the snug engagement of the peripheral surface of the second pulley (911) and the sliding rail (92).
9. a kind of positioner according to claim 7, which is characterized in that further include hoistable platform (10), the liter
Platform (10) drops including two guide rails (101) being layed on ground, the platform bottom being slidably matched with two guide rails (101)
Seat (102) and above the platform base (102) and relatively described platform base (102) can be in the vertical direction
The operation console (105) of lifting, two guide rails (101) are parallel and are arranged at intervals, and the both ends of the guide rail (101) are located at respectively
The both sides of the support beam (4).
10. a kind of positioner according to claim 9, which is characterized in that the hoistable platform (10) further includes peace
Safe fence (106) and staircase on operation console (105), the bottom end of the safe fence (106) respectively with the operation
The side wall of platform (105) surrounding is fixedly connected, and the top of the safe fence (106) is located at the top of the operation console (105), institute
The top for stating staircase is fixedly connected and flushes with the top of the operation console (105).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711456602.8A CN108127324A (en) | 2017-12-28 | 2017-12-28 | A kind of positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711456602.8A CN108127324A (en) | 2017-12-28 | 2017-12-28 | A kind of positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108127324A true CN108127324A (en) | 2018-06-08 |
Family
ID=62393348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711456602.8A Pending CN108127324A (en) | 2017-12-28 | 2017-12-28 | A kind of positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108127324A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109079405A (en) * | 2018-07-10 | 2018-12-25 | 无锡金红鹰工业自动化有限公司 | A kind of heavy industry robot hangs upside down welder |
| CN110153628A (en) * | 2019-06-25 | 2019-08-23 | 无锡恒久安泰智能制造有限公司 | A kind of frame lifting turning device end to end |
| CN110359509A (en) * | 2019-06-12 | 2019-10-22 | 山推工程机械股份有限公司 | A kind of bulldozer perching knife and its automatic welding system |
| CN111283358A (en) * | 2020-03-18 | 2020-06-16 | 江苏理工学院 | Welding fixture for elevator electrical cabinet |
| CN111843361A (en) * | 2020-08-16 | 2020-10-30 | 桂林航天工业学院 | Robot welding device that shifts |
| CN112077496A (en) * | 2020-08-31 | 2020-12-15 | 山推工程机械股份有限公司 | Automatic welding system for bulldozer trolley frame |
| CN112806119A (en) * | 2021-03-12 | 2021-05-18 | 西北农林科技大学 | Vertical lifting device of curve ditching fertilizer distributor |
| CN113787299A (en) * | 2021-09-03 | 2021-12-14 | 通裕重工股份有限公司 | Double-output-shaft cylinder girth welding equipment |
| CN114030009A (en) * | 2021-12-06 | 2022-02-11 | 昆山韦德智能装备科技有限公司 | Intelligent fixture shifting mechanism and method for robot workstation |
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| CN202726396U (en) * | 2012-07-31 | 2013-02-13 | 成都佳士科技有限公司 | Welding positioner for rack X of excavator |
| CN202877746U (en) * | 2012-09-22 | 2013-04-17 | 山推工程机械股份有限公司 | Welding device of machine frame structure |
| CN107283097A (en) * | 2017-08-16 | 2017-10-24 | 山推工程机械股份有限公司 | A kind of welding system |
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| CN202726396U (en) * | 2012-07-31 | 2013-02-13 | 成都佳士科技有限公司 | Welding positioner for rack X of excavator |
| CN202877746U (en) * | 2012-09-22 | 2013-04-17 | 山推工程机械股份有限公司 | Welding device of machine frame structure |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109079405A (en) * | 2018-07-10 | 2018-12-25 | 无锡金红鹰工业自动化有限公司 | A kind of heavy industry robot hangs upside down welder |
| CN110359509A (en) * | 2019-06-12 | 2019-10-22 | 山推工程机械股份有限公司 | A kind of bulldozer perching knife and its automatic welding system |
| CN110153628A (en) * | 2019-06-25 | 2019-08-23 | 无锡恒久安泰智能制造有限公司 | A kind of frame lifting turning device end to end |
| CN111283358A (en) * | 2020-03-18 | 2020-06-16 | 江苏理工学院 | Welding fixture for elevator electrical cabinet |
| CN111843361A (en) * | 2020-08-16 | 2020-10-30 | 桂林航天工业学院 | Robot welding device that shifts |
| CN112077496A (en) * | 2020-08-31 | 2020-12-15 | 山推工程机械股份有限公司 | Automatic welding system for bulldozer trolley frame |
| CN112077496B (en) * | 2020-08-31 | 2022-08-26 | 山推工程机械股份有限公司 | Automatic welding system for bulldozer trolley frame |
| CN112806119A (en) * | 2021-03-12 | 2021-05-18 | 西北农林科技大学 | Vertical lifting device of curve ditching fertilizer distributor |
| CN113787299A (en) * | 2021-09-03 | 2021-12-14 | 通裕重工股份有限公司 | Double-output-shaft cylinder girth welding equipment |
| CN114030009A (en) * | 2021-12-06 | 2022-02-11 | 昆山韦德智能装备科技有限公司 | Intelligent fixture shifting mechanism and method for robot workstation |
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Application publication date: 20180608 |
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