CN208800924U - A kind of fan blade welder - Google Patents
A kind of fan blade welder Download PDFInfo
- Publication number
- CN208800924U CN208800924U CN201821229626.XU CN201821229626U CN208800924U CN 208800924 U CN208800924 U CN 208800924U CN 201821229626 U CN201821229626 U CN 201821229626U CN 208800924 U CN208800924 U CN 208800924U
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- flabellum
- fixed
- block
- support
- wheel hub
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Abstract
A kind of fan blade welder, the welder includes welding table, wheel hub fixation kit and flabellum support components support are fixedly installed on welding table, flabellum support components support includes fixed bottom plate, driving cylinder and the fixed board being fixed on fixed bottom plate, the flabellum supporting parts being slidably connected with fixed board, flabellum supporting parts include support block and supporting plate, the side of support block is slidably connected with fixed board, it drives and is connected between the active cylinder block of cylinder and the bottom of support block by supporting, supporting plate can be rotated relative to support block, the actuator of cylinder and wheel hub fixation kit is driven to be controlled by the PLC control terminal of welder.The blade welder of the utility model can reduce occupied space of the welder in factory, and structure more optimizes, easy to operate, and blower quality can be protected.
Description
Technical field
The utility model relates to fan blade welding fields, in particular to a kind of fan blade welder.
Background technique
The impeller of blower is blower " heart " part, and in the production process, the welding of blade is particularly important.Blade welding
Angle and position whether reach the performance that requirement all directly influences blower.Since blower model is numerous, the specification of impeller
Relatively more, blade shape changes also very greatly, and the blade quantity of different model impeller is different.
But the impeller welding device that integrated mill uses in the prior art is bulky, so that operation is more complicated, and
And cost is higher, is not suitable for middle-size and small-size factory and uses；Middle-size and small-size factory in the prior art then using manually welding, welds
Angle and position it is all not easy to control, increase the disqualification rate of product.
Utility model content
The purpose of this utility model is to provide a kind of fan blade welders, can reduce welder in factory
On occupied space, and structure more optimizes, and easy to operate, blower quality is protected, and middle-size and small-size factory is suitble to use.
The embodiments of the present invention are achieved in that
A kind of fan blade welder, the welder include welding table, are fixedly installed wheel hub on welding table and fix
Component and flabellum support components support, flabellum support components support include fixed bottom plate, the driving cylinder being fixed on fixed bottom plate and
Fixed board, the flabellum supporting parts being slidably connected with fixed board, flabellum supporting parts include support block and supporting plate, support block
Side is slidably connected with fixed board, drives and is connected between the active cylinder block of cylinder and the bottom of support block by supporting, is held
Supporting plate can be rotated relative to support block, drive the actuator of cylinder and wheel hub fixation kit by the PLC control terminal control of welder
System.
In the utility model preferred embodiment, above-mentioned supporting plate includes flabellum placement section and rotation section, and flabellum is placed
Portion is plate, and one end of flabellum placement section is fixedly connected with rotation section, and rotation section includes connection axis body and deflection axis body, connects axis body
Both ends respectively with flabellum placement section and deflection axis body connect, deflection axis body be inserted into support block in.
In the utility model preferred embodiment, above-mentioned support block includes indexing pressing plate and indexing base, indexing pressing plate and
Indexing base is fixed in support block by screw by axis body is deflected, and the active cylinder block of cylinder is driven to contact with the bottom of indexing base,
It is additionally provided with sliding block mounting plate below indexing base, sliding block mounting plate is concordant with the back side of top support block, the back of sliding block mounting plate
Side is provided with sliding block, and sliding block is contacted with fixed board.
In the utility model preferred embodiment, dial is additionally provided on above-mentioned deflection axis body, dial setting exists
In the visible ends for deflecting axis body.
In the utility model preferred embodiment, above-mentioned fixed board includes linear guides, and linear guides are fixed vertically
On fixed board, sliding block can be moved up and down relative to linear guides.
In the utility model preferred embodiment, it is provided with fixed groove and fixation hole on above-mentioned fixed bottom plate, it is fixed
Groove is arranged on fixed board surface, and fixed board is vertically installed in fixed groove, and the one of fixed groove is arranged in fixation hole
The other side of fixed groove is arranged in side, driving cylinder.
In the utility model preferred embodiment, above-mentioned flabellum placement section is provided at least 2 flabellum fixing bolts and 1 piece
Flabellum fixing bolt is resisted against flabellum bottom according to the shape of flabellum by flabellum fixed block, and flabellum fixed block is resisted against and flabellum bottom
Portion it is adjacent on one side on.
In the utility model preferred embodiment, above-mentioned wheel hub fixation kit includes hub height axis, main shaft, bearing block
And cover board, bearing block are mounted on welding table, and thrust ball bearing is provided in bearing block, main shaft is mounted in thrust ball bearing,
For hub height axis connection on main shaft top, cover board is fixed at the top of hub height axis, and threaded hole, spiral shell are provided on cover board
Nail realizes that wheel hub and wheel hub fixation kit are fixed across wheel hub and threaded hole.
In the utility model preferred embodiment, above-mentioned wheel hub fixation kit further includes speed changer and motor, speed changer
It is connected with main shaft, motor is connected with speed changer, and speed changer and motor setting are below welding table.
In the utility model preferred embodiment, the fixation hole of multiple ordered arrangements is additionally provided on above-mentioned welding table,
The fixation hole that screw sequentially passes through on the fixation hole and welding table of fixed bottom plate realizes that flabellum support components support is fixed.
The beneficial effect of the utility model embodiment is: the fan blade welder in the utility model is provided only with
Wheel hub fixation kit and flabellum support components support, structure is simple, is not take up the more spaces of factory；Axial fan hub is fixed on wheel hub
On fixation kit, wheel hub fixation kit be can be rotated, so that the surrounding of wheel hub can weld flabellum；Flabellum is placed in flabellum support
On component, the side of the support block of flabellum support components support setting is slidably connected with fixed board, so that flabellum can move up and down,
Supporting plate can be rotated relative to support block, so that flabellum be allow to choose any position of wheel hub, any deflection angle is welded
It connects, is applicable to a plurality of types of flabellum welding；The actuator of cylinder and wheel hub fixation kit is driven to be controlled by the PLC of welder
End control processed, so that device combination electrical control, reduces manpower and use, operate more convenient.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is fan blade welder structural representation Fig. 1 of the utility model embodiment；
Fig. 2 is fan blade welder structural representation Fig. 2 of the utility model embodiment；
Fig. 3 is fan blade welder structural representation Fig. 3 of the utility model embodiment；
Fig. 4 is the attachment structure schematic diagram of the driving cylinder and flabellum supporting parts of the utility model embodiment.
Icon: 100- welds table；200- wheel hub fixation kit；300- flabellum support components support；310- fixes bottom plate；320- drives
It takes offence cylinder；330- fixed board；340- flabellum supporting parts；341- support block；342- supporting plate；3421- flabellum placement section；
3422- connection axis body；3423- deflects axis body；3411- indexes pressing plate；3412- indexing base；3413- sliding block mounting plate；3414- is sliding
Block；3424- dial；331- linear guides；311- fixed groove；312- fixation hole；001- flabellum fixing bolt；002- flabellum is solid
Determine block；210- hub height axis；220- main shaft；230- bearing block；240- cover board；250- thrust ball bearing；260- speed changer；
270- motor；350- supporting.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
First embodiment
Referring to Figure 1-4, the present embodiment provides a kind of fan blade welder, which includes welding table 100,
Wheel hub fixation kit 200 and flabellum support components support 300 are fixedly installed on welding table 100, flabellum support components support 300 includes fixing
Bottom plate 310, the driving cylinder 320 being fixed on fixed bottom plate 310 and fixed board 330 connect with the sliding of fixed board 330
The flabellum supporting parts 340 connect, flabellum supporting parts 340 include support block 341 and supporting plate 342, the side of support block 341 and fixation
Vertical plate 330 is slidably connected, and drives and is connected between the active cylinder block of cylinder 320 and the bottom of support block 341 by supporting 350,
Supporting plate 342 can be rotated relative to support block 341, driving cylinder 320 by welder PLC control terminal (not shown go out) control
System.
Wheel hub fixation kit 200 in the present embodiment is used for stationary hub, and wheel hub fixation kit 200 can be rotated,
After side is welded, wheel hub fixation kit 200 can rotate the flabellum for welding other sides；Flabellum support components support 300 is used for
Determine the position of flabellum welding and the deflection angle of flabellum；Fixed bottom plate 310 drives for fixing entire flabellum support components support 300
Cylinder 320 of taking offence is used to help flabellum supporting parts 340 and moves up and down, and determines flabellum in the position of wheel hub；Supporting plate 342 is relative to holding
Tray 341 can be rotated, for adjusting deflection direction of the flabellum on wheel hub；And drive cylinder 320 and wheel hub fixation kit 200
Actuator by welder PLC control terminal control, more saving manpower.
It is additionally provided with floor push (not shown go out) in the present embodiment, other classes also can be set in other embodiments
The switch of type, floor push are connect with PLC control terminal, trample a floor push, and wheel hub fixation kit 200 rotates fixed degree
Number, and flabellum supporting parts 340 rise once, and when trampling second of floor push, wheel hub fixation kit 200 is motionless, and flabellum is held
The decline of component 300 is ask to reset, when trampling third time floor push, wheel hub fixation kit 200 rotates fixed degree, and flabellum is held
Supporting piece 340 rises once, therefore repetitive operation, until the welding blade welding of entire blower is completed.
Floor push and PLC control terminal are electrically connected, the signal output end of PLC respectively with cylinder, wheel hub fixation kit 200
Variable speed electric motors, particularly be electrically connected, the action signal of floor push is transmitted to PLC control terminal, PLC control terminal by wheel hub size and
Flabellum quantity determines the lifting height of wheel hub fixation kit 200 number of rotation and flabellum supporting parts 340 of each movement.
In the utility model preferred embodiment, above-mentioned supporting plate 342 includes flabellum placement section 3421 and rotation section, fan
Leaf placement section 3421 is plate, and one end of flabellum placement section 3421 is fixedly connected with rotation section, and rotation section includes connection axis body 3422
With deflection axis body 3423, the both ends for connecting axis body 3422 connect with flabellum placement section 3421 and deflection axis body 3423 respectively, deflect
Axis body 3423 is inserted into support block 341.
In the utility model preferred embodiment, above-mentioned support block 341 includes indexing pressing plate 3411 and indexing base 3412,
Indexing pressing plate 3411 and indexing base 3412 are fixed in support block 341 by screw by axis body 3423 is deflected, driving cylinder 320
Active cylinder block is contacted with the bottom of indexing base 3412, and sliding block mounting plate 3413, sliding block installation are additionally provided with below indexing base 3412
Plate 3413 is concordant with the back side of top support block 341, and the back side of sliding block mounting plate 3413 is provided with sliding block 3414, sliding block 3414 with
Fixed board 330 contacts.
The back side of sliding block mounting plate 3413 in the present embodiment is provided with sliding block 3414, drives the movable cylinder of cylinder 320
Body is contacted with the bottom of indexing base 3412, when so that PLC control terminal issuing signal, the active cylinder block top of cylinder 320 is driven extremely to divide
The bottom support supporting plate 342 of degree seat 3412 moves up and down, so that the flabellum on supporting plate 342 can move up and down；Back
Sliding block 3414 keeps the movement of supporting plate 342 more smooth, and guarantees that supporting plate 342 can only move in the vertical direction.
In the utility model preferred embodiment, dial 3424, scale are additionally provided on above-mentioned deflection axis body 3423
Disk 3424 is arranged in the visible ends of deflection axis body 3423.
It cooperates between supporting plate 342 in the present embodiment and support block 341 and realizes that the deflection angle of flabellum is adjusted,
The setting of axis body 3423 is deflected in support block 341, support block 341 includes indexing pressing plate 3411 and indexing base 3412, indexes pressing plate
3411 and indexing base 3412 be fixed in support block 341 by screw by axis body 3423 is deflected, when needing to reset deflection angle
When spending, screw is unclamped, screw is fixed again after deflecting flabellum placement section 3421, is also set up on deflection axis body 3423
There is dial 3424, for controlling the precision of deflection angle.
In the utility model preferred embodiment, above-mentioned fixed board 330 includes linear guides 331, linear guides 331
It is fixed on fixed board 330 vertically, sliding block 3414 can be moved up and down relative to linear guides 331.
In the utility model preferred embodiment, fixed groove 311 and fixation hole are provided on above-mentioned fixed bottom plate 310
312, fixed groove 311 is arranged on 330 surface of fixed board, and fixed board 330 is vertically installed in fixed groove 311, fixed
The side of fixed groove 311 is arranged in hole 312, and the other side of fixed groove 311 is arranged in driving cylinder 320.
Fixed groove 311 is set on fixation bottom plate 310 in the present embodiment, fixed board 330 is facilitated to install, fixed bottom
Fixation hole 312 is set on plate 310 for installing fixed entire flabellum support components support 300.
In the utility model preferred embodiment, above-mentioned flabellum placement section 3421 is provided at least 2 flabellum fixing bolts
Flabellum fixing bolt 001 is resisted against flabellum bottom, flabellum fixed block according to the shape of flabellum by 001 and 1 piece of flabellum fixed block 002
002 be resisted against it is adjacent with flabellum bottom on one side on so that flabellum can be just fixed on flabellum placement section 3421, due to fan
The difference of leaf shape, the position for adjusting flabellum fixing bolt 001, flabellum fixed block 002 of being adapted to property.
In the utility model preferred embodiment, above-mentioned wheel hub fixation kit 200 includes hub height axis 210, main shaft
220, bearing block 230 and cover board 240, bearing block 230 are mounted on welding table 100, and thrust ball axis is provided in bearing block 230
It holds, main shaft 220 is mounted in thrust ball bearing 250, and hub height axis 210 is connected to 220 top of main shaft, and the fixation of cover board 240 is set
Set and be provided with threaded hole on the top of hub height axis 210, cover board 240, screw pass through wheel hub and threaded hole realize wheel hub and
Wheel hub fixation kit 200 is fixed.
It is provided with thrust ball bearing 250 in bearing block 230 in the present embodiment, so that main shaft 220, hub height axis
210 and the cover board 240 that connects of hub height axis 210 can rotate, thus the wheel hub being fixedly connected with cover board 240 by screw
It can rotate.
In the utility model preferred embodiment, above-mentioned wheel hub fixation kit further includes speed changer 260 and motor 270,
Speed changer 260 and main shaft 220 connect, and motor 270 and speed changer 260 connect, and speed changer 260 and the setting of motor 270 are in welding table
100 lower sections.Speed changer 260 in the present embodiment is used to control the velocity of rotation and rotational angle of main shaft 220, and receives weldering
The PLC control terminal of connection device controls, and prevents the improper problem of deflection angle caused by being manually operated.
In the utility model preferred embodiment, the fixation of multiple ordered arrangements is additionally provided on above-mentioned welding table 100
Hole 312, the fixation hole 312 that screw sequentially passes through on the fixation hole 312 and welding table 100 of fixed bottom plate 310 realize flabellum support
Component 300 is fixed.
The fixation hole 312 of multiple ordered arrangements is additionally provided on welding table 100 in the present embodiment, it can be according to flabellum
Size conversion wheel hub fixation kit 200 and the distance between flabellum support components support 300 so that whole device has more adaptability.
In conclusion the fan blade welder in the utility model, is provided only with wheel hub fixation kit 200 and flabellum
Support components support 300, structure is simple, is not take up the more spaces of factory；Axial fan hub is fixed on wheel hub fixation kit 200,
Wheel hub fixation kit 200 can be rotated, so that the surrounding of wheel hub can weld flabellum；Flabellum is placed in flabellum support components support 300
On, the side for the support block 341 that flabellum support components support 300 is arranged is slidably connected with fixed board 330, allows flabellum upper and lower
Mobile, supporting plate 342 can be rotated relative to support block 341, so that flabellum be allow to choose any position of wheel hub, arbitrarily deflect
Angle is welded, and a plurality of types of flabellum welding are applicable to；Cylinder 320 is driven to be controlled by the PLC control terminal of welder,
So that device combination electrical control, reduces manpower and uses, operate more convenient.
Present specification describes the example of the embodiments of the present invention, it is not meant to that these embodiments illustrate and describe
All possible forms of the utility model.It should be understood that the embodiment in specification can be implemented with a variety of alternative forms.Attached drawing without
It needs drawn to scale；Some features can be zoomed in or out to show the details of particular elements.Disclosed specific structure and function are thin
Section is not taken by way of limitation explanation, and those skilled in the art is only instructed to implement the representative base of the utility model in a variety of forms
Plinth.It will be understood to one skilled in the art that can be with one or more with reference to multiple features that either figure illustrates and describes
The feature combination illustrated in other attached drawings is to form the embodiment for not yet explicitly illustrating or describing.The assemblage characteristic offer of explanation is used for
The representative embodiment of typical case.However, can root with the multiple combinations of the consistent feature of introduction of the utility model and modification
According to needing for specific application or implementation.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of fan blade welder, which is characterized in that the welder includes welding table, is fixed on the welding table
Be provided with wheel hub fixation kit and flabellum support components support, the flabellum support components support include fixed bottom plate, be fixed at it is described
The flabellum supporting parts that driving cylinder and fixed board and the fixed board on fixed bottom plate are slidably connected, the flabellum are held
Supporting piece includes support block and supporting plate, and the side of the support block is slidably connected with the fixed board, drives the activity of cylinder
It is connected between cylinder body and the bottom of the support block by supporting, the supporting plate can be rotated relative to the support block, institute
The actuator for stating driving cylinder and wheel hub fixation kit is controlled by the PLC control terminal of the welder.
2. fan blade welder according to claim 1, which is characterized in that the supporting plate includes flabellum placement section
And rotation section, the flabellum placement section are plate, one end of the flabellum placement section is fixedly connected with the rotation section, rotation section packet
Connection axis body and deflection axis body are included, the both ends of the connection axis body connect with the flabellum placement section and the deflection axis body respectively
It connects, the deflection axis body is inserted into the support block.
3. fan blade welder according to claim 2, which is characterized in that the support block include indexing pressing plate and
The deflection axis body is fixed in the support block by indexing base, the indexing pressing plate and the indexing base by screw, described
The active cylinder block of driving cylinder is contacted with the bottom of the indexing base, is additionally provided with sliding block mounting plate, institute below the indexing base
State that sliding block mounting plate is concordant with the back side of top support block, the back side of the sliding block mounting plate is provided with sliding block, the sliding block with
The fixed board contact.
4. fan blade welder according to claim 2, which is characterized in that be additionally provided with quarter on the deflection axis body
Scale, the dial are arranged in the visible ends of the deflection axis body.
5. fan blade welder according to claim 3, which is characterized in that the fixed board includes linearly leading
Rail, the linear guides are fixed on vertically on the fixed board, and the sliding block can be moved up and down relative to the linear guides.
6. fan blade welder according to claim 1, which is characterized in that be provided with fixation on the fixed bottom plate
Groove and fixation hole, the fixed groove are arranged on the fixed board surface, and the fixed board is vertically installed at described solid
Determine in groove, the side of the fixed groove is arranged in the fixation hole, and the fixed groove is arranged in the driving cylinder
The other side.
7. fan blade welder according to claim 1, which is characterized in that the flabellum placement section is provided at least
The flabellum fixing bolt is resisted against flabellum bottom, institute according to the shape of flabellum by 2 flabellum fixing bolts and 1 piece of flabellum fixed block
State flabellum fixed block be resisted against it is adjacent with the flabellum bottom on one side on.
8. fan blade welder according to claim 1, which is characterized in that the wheel hub fixation kit includes wheel hub
Altitude axis, main shaft, bearing block and cover board, the bearing block are mounted on the welding table, are provided with thrust in the bearing block
Ball bearing, main shaft are mounted in the thrust ball bearing, and for the hub height axis connection on the main shaft top, the cover board is solid
The top of the hub height axis is set calmly, threaded hole is provided on the cover board, screw passes through wheel hub and the threaded hole
Realize that wheel hub and the wheel hub fixation kit are fixed.
9. fan blade welder according to claim 8, which is characterized in that the wheel hub fixation kit further includes becoming
Fast device and motor, the speed changer are connected with the main shaft, and the motor is connected with the speed changer, the speed changer and described
Motor is arranged below the welding table.
10. fan blade welder according to claim 1, which is characterized in that be additionally provided on the welding table more
The fixation hole of a ordered arrangement, the fixation hole that screw sequentially passes through on the fixation hole and the welding table of the fixed bottom plate are realized
Flabellum support components support is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821229626.XU CN208800924U (en) | 2018-08-01 | 2018-08-01 | A kind of fan blade welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821229626.XU CN208800924U (en) | 2018-08-01 | 2018-08-01 | A kind of fan blade welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208800924U true CN208800924U (en) | 2019-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821229626.XU Expired - Fee Related CN208800924U (en) | 2018-08-01 | 2018-08-01 | A kind of fan blade welder |
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| Country | Link |
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| CN (1) | CN208800924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108817723A (en) * | 2018-08-01 | 2018-11-16 | 四川天宇坤建空调设备有限公司 | A kind of fan blade welder and its application method |
-
2018
- 2018-08-01 CN CN201821229626.XU patent/CN208800924U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108817723A (en) * | 2018-08-01 | 2018-11-16 | 四川天宇坤建空调设备有限公司 | A kind of fan blade welder and its application method |
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Granted publication date: 20190430 |