CN205869807U - Panel welding positioner and system - Google Patents
Panel welding positioner and system Download PDFInfo
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- CN205869807U CN205869807U CN201620736205.0U CN201620736205U CN205869807U CN 205869807 U CN205869807 U CN 205869807U CN 201620736205 U CN201620736205 U CN 201620736205U CN 205869807 U CN205869807 U CN 205869807U
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- sheet material
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Abstract
The utility model relates to a panel welding positioner, including base, access arm and actuating mechanism, the one end of access arm is equipped with the eccentric roller that keeps off, and the eccentric roller that keeps off has a roller portion and a cylindric eccentric head, and roller portion wears to locate in the access arm and can rotate around self axis, and the axis of eccentric head misplaces parallelly with the axis of roller portion, the access arm is mobilizable to be located on the base to drive eccentric head by actuating mechanism drive activity and extend directly over the panel place the platform in order advancing line location to panel, or by the platform top withdrawing. Still relate to a panel welding positioning system in addition, this system includes many foretell panel welding positioner, and each positioner follows panel place the platform length direction arrange in proper order. The utility model provides a location is segmented through positioner to panel to panel welding positioner, system and method, effectively improves the positioning accuracy of the especially longer panel of panel.
Description
Technical field
This utility model belongs to sheet material welding technical field, particularly relates to the welding of Automobile Plate, is specifically related to a kind of sheet material
Welding positioner and system.
Background technology
Tailor welded technology is that these sheet materials can have different thickness by welded together for two or more than two sheet material
Degree, intensity and coating material.In automobile industry, the utilization of tailor welded is extremely extensive, according to vehicle structure and stressing conditions, no
Can effectively reduce car weight and oil consumption with the tailor welded of position reasonable employment different-thickness, different materials, car can also be increased simultaneously
The integral rigidity of body and shock-absorbing performance etc..The premium properties of welding sheet material derives from the welding quality of sheet material, wherein the determining of sheet material
Position precision is one of influence factor of weldquality maximum；At present, the location of sheet material is main or manually empirically grasps
Make, for longer sheet material, positioning precision it is difficult to ensure that, therefore the welding quality for longer plate material still has much room for improvement.
Utility model content
This utility model embodiment provides a kind of sheet material welding positioner and system, at least can solve the portion of prior art
Divide defect.
This utility model embodiment relates to a kind of sheet material welding positioner, including base, registration arm and drive mechanism；
One end of described registration arm is provided with detent mechanism, and described detent mechanism includes eccentric block roller, described eccentric block roller tool
Having a roll shaft portion and a cylindric eccentric head, described roll shaft portion is arranged in described registration arm and can be around own axis, institute
Stating eccentric head and be positioned at bottom, described roll shaft portion, the axis of described eccentric head is parallel with the axial offset in described roll shaft portion；
Described registration arm is mobilizable to be located on described base, and is had the first shape by described drive mechanism driving activity
State and the second state；Under described first state, described registration arm makes described eccentric head extend directly over sheet material placement platform and institute
The axis stating eccentric head is perpendicular to described sheet material placement platform, the distance between described eccentric head and described sheet material placement platform by
Described drive mechanism regulates or by the eccentric grease head highness governor motion regulation separately set；Under described second state, described registration arm and
Described detent mechanism is respectively positioned on below described sheet material placement platform table top.
As one of embodiment, described eccentric head is regulated by eccentric grease head highness governor motion regulation, described eccentric grease head highness
Mechanism includes for regulating the regulation pad of spacing between described eccentric head upper surface and described registration arm respective side surface, described
Regulation pad is sheathed in described roll shaft portion.
As one of embodiment, described registration arm is a countersunk head through hole for installing the part in described roll shaft portion, described
Countersunk head through hole includes the counterbore portion near described eccentric rostral, between axis and the axis in described roll shaft portion of described eccentric head
Having a magnitude of misalignment, the aperture of described counterbore portion is more than described eccentric head radius and described magnitude of misalignment sum；Described regulation pad
It is placed on described eccentric head upper surface.
As one of embodiment, described roll shaft portion at least partially thread segment, described thread segment from described roll shaft portion away from
One end of described eccentric head extends to described eccentric rostral, and described thread segment stretches out outside described registration arm and by nut with described
Registration arm is fixed.
As one of embodiment, described registration arm is C-shaped, and its upper end is provided with described eccentric block roller, lower end and the described end
Seat is rotatably connected.
As one of embodiment, being provided with installation axle in the corresponding position of described base, the axis of described installation axle is parallel
In described sheet material placement platform length direction, the lower end of described registration arm is set on described installation axle；
Described registration arm is connected with the outfan of described drive mechanism by spherical plain bearing rod end, described spherical plain bearing rod end
The axis being axially parallel to described installation axle, the force direction of described drive mechanism is perpendicular to described spherical plain bearing rod end
Axially.
As one of embodiment, described drive mechanism includes propulsion cylinder, the output shaft of described propulsion cylinder and described bar
End oscillating bearing connects；Described propulsion cylinder is rotating to be arranged on described base, and rotating shaft is axially parallel to described installation
The axis of axle.
As one of embodiment, described base is also associated with for finely tuning phase para-position between its with described sheet material placement platform
The micro-adjusting mechanism put.
The present embodiment relates to a kind of sheet material welding alignment system, including multiple stage sheet material as above welding positioner,
Each described sheet material welding positioner is arranged in order along described sheet material placement platform length direction.
This utility model embodiment at least achieves following beneficial effect: the sheet material welding location that this utility model provides fills
Putting, by eccentric block roller, sheet material is finely adjusted location, positioning precision is higher, and simple in construction is easy to operate.Employing multiple stage is above-mentioned
The alignment system of sheet material welding positioner, carries out split fix by every positioner, is effectively improved sheet material the most relatively
The positioning precision of long sheet material.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
The structural representation of the sheet material welding positioner that Fig. 1 provides for this utility model embodiment；
Fig. 2 is the mounting structure sectional view of eccentric block roller；
Fig. 3 is the mounting structure sectional view of registration arm；
Fig. 4 is the structural representation of registration arm；
The structural representation of the sheet material welding alignment system that Fig. 5 provides for this utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the premise of creative work
Lower obtained all other embodiments, broadly fall into the scope of this utility model protection.
Embodiment one
Such as Fig. 1-Fig. 2, this utility model embodiment provides a kind of sheet material welding positioner 1, including base 101, location
Arm 102 and drive mechanism, one end of described registration arm 102 is provided with detent mechanism, and described detent mechanism includes eccentric block roller 106,
Described eccentric block roller 106 has roll shaft portion 1061 and a cylindric bias 1062, and described roll shaft portion 1061 is arranged in described
In registration arm 102 and can be around own axis, described bias 1062 be positioned at bottom, described roll shaft portion 1061, described eccentric head
The axis of 1062 is parallel with the axial offset in described roll shaft portion 1061；Described registration arm 102 is mobilizable is located at described base 101
On, and by described drive mechanism driving activity, there is the first state and the second state；Under described first state, described registration arm
102 make described bias 1062 extend directly over sheet material placement platform 2 and the axis of described bias 1062 is perpendicular to described plate
Material placement platform 2, the distance between described bias 1062 and described sheet material placement platform 2 regulated by described drive mechanism or by
The eccentric grease head highness governor motion regulation separately set；Under described second state, described registration arm 102 and described detent mechanism are respectively positioned on
Below described sheet material placement platform 2 table top.
Base 101 is typically mounted on bed piece 3, and installs near sheet material placement platform 2, to shorten registration arm 102
Movement travel, simultaneously facilitate operation and management.Owing to the adjusting range of eccentric block roller 106 is relatively small, above-mentioned first state
Under, registration arm 102 makes eccentric 1062 position extending out to directly over sheet material placement platform 2 should be close proximity to default welding
Operating position (position while welding) place, this welding operating position/position while welding is according to welding plumb joint, for clamping the fixture of sheet material
Positions etc. determine.Under above-mentioned second state, registration arm 102 and detent mechanism are respectively positioned on below sheet material placement platform 2 table top, in order to
Feeding in opposite side sheet material.
As a kind of preferred structure of the present embodiment, such as Fig. 1, described registration arm 102 is C-shaped, and its upper end is provided with described
Eccentric block roller 106, lower end is rotatably connected with described base 101.Rotated on base 101 by the registration arm 102 of this c-type,
Drive eccentric block roller 106 to rotate, make eccentric block roller 106 can extend directly over sheet material placement platform 2 or be regained by this platform 2,
To reach above-mentioned location purpose.Specifically, installation axle 107, described installation axle it are provided with in the corresponding position of described base 101
The axis of 107 is parallel to described sheet material placement platform 2 length direction, and the lower end of described registration arm 102 is set in described installation axle
On 107；Described registration arm 102 is connected with the outfan of described drive mechanism by spherical plain bearing rod end 115, described rod end joint
The axis being axially parallel to described installation axle 107 of bearing 115, the force direction of described drive mechanism is perpendicular to described rod end
Oscillating bearing 115 axial.Wherein, such as Fig. 3 and Fig. 4, the lower end of above-mentioned c-type registration arm 102 is provided with two installing holes, wherein
One installing hole 1021 is used for being sleeved on installation axle 107, registration arm 102 and installing can pass through between axle 107 bearing (ball) cover 117,
Spacer 118, deep groove ball bearing 119 connect, and make this registration arm 102 can rotate around installing axle 107；Another installing hole 1022 is then
For being embedded in a connecting rod 105, this connecting rod 105 is fixed in registration arm 102 by fixtures such as screws, this connecting rod 105
One end is stretched out outside registration arm 102 and is connected with the outfan of drive mechanism, specifically can be by oscillating bearing 115 and axle spring catch
Circle 116 connection.By drive mechanism applying active force in connecting rod 105, registration arm 102 is made to rotate around installing axle 107；For keeping away
Exempting to interfere between the output shaft of drive mechanism in rotary course and installation axle 107, the bottom of this registration arm 102 can be in hook
Type, its bottom (i.e. removing the other end portion of its end installing detent mechanism) tilts to its inner surface, is set in installation axle
Installing hole 1021 on 107 is arranged near the bottom of this registration arm 102, and the installing hole 1022 of setting-in connecting rod 105 is the most close
The bottom of this registration arm 102 is arranged, and the spacing between two installing holes can be arranged according to actual condition, as considered registration arm 102
The anglec of rotation, the movable situation etc. of drive mechanism.Arranging drive mechanism further is rotating being installed on base 101,
And rotating shaft is axially parallel to install the axis of axle 107, to ensure that the smooth and easy of the rotary motion of registration arm 102 is carried out, it is to avoid this drives
Interfere between output shaft and the installation axle 107 of motivation structure；In the present embodiment, described drive mechanism includes propulsion cylinder 104,
The output shaft of described propulsion cylinder 104 is connected with described spherical plain bearing rod end 115；The described rotating setting of propulsion cylinder 104
On described base 101, and rotating shaft is axially parallel to the axis of described installation axle 107.Concrete, this propulsion cylinder 104 carries
Support ear, is provided with air cylinder support 103 on base 101, and two support ears of this propulsion cylinder 104 pass through oil-free lining, Kong Yong
Check ring, interstage sleeve are arranged on above-mentioned air cylinder support 103 so that this propulsion cylinder 104 can rotate around the strong point；Above-mentioned support
Mechanism is that those skilled in the art are easier to learn, concrete structure repeats no more.
For the structure of above-mentioned employing c-type registration arm 102, under its first state, the end of its setting-up eccentricity block roller 106
Being positioned at the top of its other end, now, this registration arm 102 extends the top of sheet material placement platform 2 with eccentric block roller 106,
Under its second state, this registration arm 102 have rotated 90 ° relative to the first state, and the end of its setting-up eccentricity block roller 106 is therewith
Rotate, and be positioned at the lower section of sheet material placement platform 2 table top.For ensureing that this registration arm 102 is in suitable position in the first state
Putting, such as Fig. 1, can install a postive stop baffle 108 on base 101, this postive stop baffle 108 is positioned at this c-type registration arm 102 and encloses and set
In c-type space, and in the first state, this postive stop baffle 108 abuts with this registration arm 102 inner surface, stops this registration arm 102
Further rotate.
Using above-mentioned c-type registration arm 102 and drive mechanism and drive mechanism, simple in construction, driving-chain is short, accurate positioning,
Two kinds of locus and state, function singleness are only holded up and regained to this registration arm 102, enters using many playscripts with stage directions positioner 1
During the location work of row longer dimension sheet material, the synchronicity between each positioner 1 is higher, it is ensured that the accuracy of location work
And agility, thus improve work efficiency.
Certainly, the mode that above-mentioned c-type registration arm 102 is rotatably moved around base 101 is not limited to said structure, as set
Putting registration arm 102 suit to be fixed on installation axle 107, this installation axle 107 is rotatably provided on base 101, this installation axle 107
Rotation can be connected with drive mechanism by the drive disk assembly that rack pinion, Worm Wheel System etc. are conventional.Registration arm 102
Also other structure can be taked；For above-mentioned drive mechanism, its enable to registration arm 102 produce displacement vertically and
Displacement in the horizontal direction so that registration arm 102 can extend above sheet material placement platform 2 or be regained by above platform 2,
As this drive mechanism can include that an elevation driving unit and moves horizontally driver element, this drive mechanism integral installation is in one
On erecting bed, this erecting bed is provided with horizontal rail, and the length direction of this horizontal rail is perpendicular to the length of sheet material placement platform 2
Direction, elevation driving unit is placed on a slip base, and this slip base drives elevation driving unit sliding in horizontal rail, location
Arm 102 is horizontally installed on the outfan of this elevation driving unit.Certainly, this registration arm 102 is horizontally installed to move horizontally and drives
On the outfan of moving cell, this moves horizontally driver element and is also met above-mentioned requirements by elevation driving unit control lifting.For
The drive mechanism of said structure, uses the registration arm 102 of direct rod shape.
Continue the structure of above-mentioned positioner 1, for above-mentioned employing elevation driving unit with move horizontally driver element
Structure, the locus of eccentric 1062 directly can be positioned by this drive mechanism；Can turn for above-mentioned employing c-type registration arm 102
Moving and be arranged on the structure on base 101, described bias 1062 is preferably by eccentric grease head highness governor motion regulation, described bias
Grease head highness governor motion includes between regulating between described bias 1062 upper surface and described registration arm 102 respective side surface
Away from regulation pad 114, described regulation pad 114 is sheathed in described roll shaft portion 1061.Further, described registration arm 102
Be a countersunk head through hole for installing the part in described roll shaft portion 1061, described countersunk head through hole includes near described bias 1062
First counterbore portion of side, has a magnitude of misalignment, institute between axis and the axis in described roll shaft portion 1061 of described bias 1062
State the aperture of the first counterbore portion more than described bias 1062 radius and described magnitude of misalignment sum；114, described regulation pad
Between eccentric 1062 upper surface and the top end face (i.e. the end face in addition to sidewall of this counterbore portion) of this first counterbore portion,
I.e. it is placed on described bias 1062 upper surface.
Continue the structure of above-mentioned positioner 1, such as Fig. 2, described roll shaft portion 1061 at least partially thread segment, described screw thread
From described roll shaft portion 1061, one end away from described bias 1062 extends section to described bias 1062 side, and described thread segment is stretched
Go out described registration arm 102 outer and fixing with described registration arm 102 by nut 112.Adjust eccentric 1062 and place flat with sheet material
During spacing between platform 2, loosening nut 112 so that roll shaft portion 1061 can be up and down, the regulation of corresponding height amount is set by pad
Roll shaft portion 1061 is fixed by pad 114 precession nut 112 again.When needing rotating eccentricity head 1062, loosening nut 112, rotate
Roll shaft portion 1061.Further, above-mentioned countersunk head through hole also includes the second counterbore portion away from eccentric 1062 side,
In this second counterbore portion, expansion set 113 is installed, it is ensured that the accuracy of eccentric 1062 locus, reduces position error.
Optimizing the structure of above-mentioned positioner 1 further, described base 101 is also associated with for finely tuning itself and described sheet material
Relative to the micro-adjusting mechanism of position between placement platform 2, this relative position can with the end away from this platform 2 of base 101 with should
Distance between platform 2 determines；Registration arm 102 can be regulated further by this micro-adjusting mechanism and eccentric block roller 106 extends sheet material
Position above placement platform 2, it is ensured that eccentric 1062 for the end that reclines with sheet material at preferable position while welding, thus
Improve positioning precision.Such as Fig. 1, in the present embodiment, above-mentioned micro-adjusting mechanism includes adjustable plate 109, multiple lag screw 110 and multiple
Thrust screw 111, the parallel base 101 side away from sheet material placement platform 2 of being located at of adjustable plate 109, each lag screw 110 is with each
Thrust screw 111 is all located on this adjustable plate 109 and is connected with base 101.
Embodiment two
Such as Fig. 5, the present embodiment relates to a kind of sheet material welding alignment system, including multiple stage sheet material welding positioner 1, each plate
Material welding positioner 1 all uses the sheet material welding positioner 1 provided in above-described embodiment one, and concrete structure is the most no longer
Repeat；Each described sheet material welding positioner 1 is arranged in order along described sheet material placement platform 2 length direction.By this location it is
System, can realize the welding prelocalization work of longer plate material, by each sheet material welding positioner 1, sheet material be carried out segmentation and determine
Position, is effectively improved the positioning precision of sheet material especially longer plate material.
Embodiment three
The present embodiment relates to a kind of sheet material welding localization method, uses the sheet material welding location system described in above-described embodiment two
System positions, and comprises the steps:
Step one, each registration arm 102 drives the eccentric block roller 106 of correspondence to extend directly over sheet material placement platform 2, adjusts partially
Distance between 1062 lower surfaces and sheet material placement platform 2 is less than the thickness of first block of sheet material to be positioned in mind；
Step 2, rotate each roll shaft portion 1061 drive correspondence bias 1062 rotate, make each bias 1062 away from
One end of corresponding registration arm 102 is located along the same line；
Step 3, first piece of sheet material feeding is to sheet material placement platform 2 so that it is for the Mosaic face with another block board material splice
Portion reclines with each bias 1062；
Step 4, finely tunes the position of each bias 1062, makes the Mosaic face portion of this first block of sheet material be positioned at preferable weld seam position
Put place, this first block of sheet material is clamped on sheet material placement platform 2；
Step 5, drive mechanism drives registration arm 102 and detent mechanism to be respectively positioned on below sheet material placement platform 2 table top, separately
One piece of sheet material feeding, the benchmark of this another block sheet material feeding is facial by the splicing that face is first block of sheet material.
In above-mentioned steps four, preferable position while welding sequentially on-the-spot actual condition determines, including considering between two splicing sheet materials
Welding gap, the locus of plumb joint set, the factor such as chucking position of clamping sheet material, be those skilled in the art according to
Common knowledge is confirmable, does not repeats.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. made, should be included in this utility model
Protection domain within.
Claims (9)
1. a sheet material welding positioner, it is characterised in that: include base, registration arm and drive mechanism；
One end of described registration arm is provided with detent mechanism, and described detent mechanism includes that eccentric block roller, described eccentric block roller have one
Roll shaft portion and a cylindric eccentric head, described roll shaft portion be arranged in described registration arm and can around own axis, described partially
Being positioned at bottom, described roll shaft portion in mind, the axis of described eccentric head is parallel with the axial offset in described roll shaft portion；
Described registration arm is mobilizable to be located on described base and by described drive mechanism driving activity, and described registration arm has
One state and the second state；Under described first state, described registration arm extends directly over sheet material placement platform with described eccentric head
And the axis of described eccentric head is perpendicular to described sheet material placement platform, between described eccentric head and described sheet material placement platform away from
From being regulated by described drive mechanism or by the eccentric grease head highness governor motion regulation separately set；Under described second state, described location
Arm and described detent mechanism are respectively positioned on below described sheet material placement platform table top.
Sheet material welding positioner the most according to claim 1, it is characterised in that: described eccentric head is adjusted by eccentric grease head highness
The regulation of joint mechanism, described eccentric grease head highness governor motion includes for regulating described eccentric head upper surface corresponding with described registration arm
The regulation pad of spacing between side surface, described regulation pad is sheathed in described roll shaft portion.
Sheet material welding positioner the most according to claim 2, it is characterised in that: being used for of described registration arm is installed described
The part in roll shaft portion is a countersunk head through hole, and described countersunk head through hole includes the counterbore portion near described eccentric rostral, described bias
Having a magnitude of misalignment between axis and the axis in described roll shaft portion of head, the aperture of described counterbore portion is more than described eccentric head radius
With described magnitude of misalignment sum；Described regulation pad is placed on described eccentric head upper surface.
Sheet material welding positioner the most according to claim 3, it is characterised in that: described roll shaft portion at least partially screw thread
Section, from described roll shaft portion, one end away from described eccentric head extends described thread segment to described eccentric rostral, and described thread segment is stretched
Go out outside described registration arm and fixed with described registration arm by nut.
Sheet material welding positioner the most according to any one of claim 1 to 4, it is characterised in that: described registration arm is C
Type, its upper end is provided with described eccentric block roller, and lower end is rotatably connected with described base.
Sheet material welding positioner the most according to claim 5, it is characterised in that: set in the corresponding position of described base
Installation axle, the axis of described installation axle is had to be parallel to described sheet material placement platform length direction, the lower end suit of described registration arm
On described installation axle；
Described registration arm is connected with the outfan of described drive mechanism by spherical plain bearing rod end, the axle of described spherical plain bearing rod end
To being parallel to the axis of described installation axle, the force direction of described drive mechanism is perpendicular to the axle of described spherical plain bearing rod end
To.
Sheet material welding positioner the most according to claim 6, it is characterised in that: described drive mechanism includes propulsive gas
Cylinder, the output shaft of described propulsion cylinder is connected with described spherical plain bearing rod end；Described propulsion cylinder is rotating be arranged at described
On base, and rotating shaft is axially parallel to the axis of described installation axle.
Sheet material welding positioner the most according to any one of claim 1 to 4, it is characterised in that: described base also connects
It is connected to for finely tuning between its with described sheet material placement platform the micro-adjusting mechanism relative to position.
9. a sheet material welding alignment system, it is characterised in that: include multiple stage plate as according to any one of claim 1 to 8
Material welding positioner, each described sheet material welding positioner is arranged in order along described sheet material placement platform length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620736205.0U CN205869807U (en) | 2016-07-13 | 2016-07-13 | Panel welding positioner and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620736205.0U CN205869807U (en) | 2016-07-13 | 2016-07-13 | Panel welding positioner and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205869807U true CN205869807U (en) | 2017-01-11 |
Family
ID=57696301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620736205.0U Withdrawn - After Issue CN205869807U (en) | 2016-07-13 | 2016-07-13 | Panel welding positioner and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205869807U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106181170A (en) * | 2016-07-13 | 2016-12-07 | 武汉法利莱切焊系统工程有限公司 | Sheet material welding positioner, system and method |
-
2016
- 2016-07-13 CN CN201620736205.0U patent/CN205869807U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106181170A (en) * | 2016-07-13 | 2016-12-07 | 武汉法利莱切焊系统工程有限公司 | Sheet material welding positioner, system and method |
| CN106181170B (en) * | 2016-07-13 | 2018-06-26 | 武汉法利莱切焊系统工程有限公司 | Plank welding positioning device, system and method |
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170111 Effective date of abandoning: 20180626 |
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| AV01 | Patent right actively abandoned |