CN106862743B - One kind being used for smoke exhaust ventilator air duct spot welding special plane - Google Patents
One kind being used for smoke exhaust ventilator air duct spot welding special plane Download PDFInfo
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- CN106862743B CN106862743B CN201710235936.6A CN201710235936A CN106862743B CN 106862743 B CN106862743 B CN 106862743B CN 201710235936 A CN201710235936 A CN 201710235936A CN 106862743 B CN106862743 B CN 106862743B
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- welding
- positioning mechanism
- air duct
- smoke exhaust
- exhaust ventilator
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Classifications
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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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Resistance Welding (AREA)
Abstract
The present invention provides one kind to be used for smoke exhaust ventilator air duct spot welding special plane comprising rack and the first welding mechanism being arranged on the rack, the second welding mechanism, the first positioning mechanism, the second positioning mechanism and driving assembly；First positioning mechanism is oppositely arranged with second positioning mechanism, first positioning mechanism is arranged in backwards to the side of second positioning mechanism in first welding mechanism, and second positioning mechanism is arranged in backwards to the side of first positioning mechanism in second welding mechanism；The driving component includes the first pull rod, the second pull rod, cross bar, ball-screw linkage, first pull rod is connect with the first welding mechanism, second pull rod is connect with second welding mechanism, first pull rod and second pull rod are fixedly mounted on the both ends of the cross bar, and the cross bar is connected to the output end of the ball-screw linkage.This can be suitably used for the arc structure in smoke exhaust ventilator air duct for smoke exhaust ventilator air duct spot welding special plane.
Description
Technical field
The present invention relates to smoke exhaust ventilator manufacturing equipment fields, more particularly to one kind to be used for smoke exhaust ventilator air duct spot welding special plane.
Background technique
Smoke exhaust ventilator is also known as range hood, is a kind of kitchen appliance for purifying kitchen environment.It is mounted on kitchen fume-exhausting
Above machine cooking stove, the oil smoke being harmful to the human body generated in the waste and cooking process of cooking stove burning can be taken away rapidly, be discharged
Pollution is reduced in outdoor, purifies air, and has gas defence, explosion-proof safety guarantee effect.
Air duct is an indispensable important component of smoke exhaust ventilator, and air duct is generally welded by multi-sheets and formed,
But existing smoke exhaust ventilator air duct welding generally uses human weld, which falls behind, and welding quality is bad.Although on the market
The equipment of existing automatic welding largely comes into operation during the manufacturing, but without a kind of equipment of automatic welding be for
Smoke exhaust ventilator air duct is specially designed, due to the special arc structure in smoke exhaust ventilator air duct, so that existing automatic welding device
It is not suitable for the spot welding in smoke exhaust ventilator air duct.
Summary of the invention
It is an object of the invention to overcome shortcoming and deficiency in the prior art, a kind of applicable smoke exhaust ventilator air duct arc is provided
The spot welding special plane of shape construction.
To achieve the goals above, the present invention provides one kind to be used for smoke exhaust ventilator air duct spot welding special plane comprising rack
With the first welding mechanism, the second welding mechanism, the first positioning mechanism, the second positioning mechanism and the driving group being arranged on the rack
Part；
First positioning mechanism is oppositely arranged with second positioning mechanism, and first welding mechanism is arranged described
First positioning mechanism is arranged backwards to the side of second positioning mechanism, second welding mechanism in second positioning mechanism
Backwards to the side of first positioning mechanism；
The driving component include the first pull rod, the second pull rod, cross bar, ball-screw linkage, first pull rod with
The connection of first welding mechanism, second pull rod are connect with second welding mechanism, and first pull rod and described second is drawn
Bar is fixedly mounted on the both ends of the cross bar, and the cross bar is connected to the output end of the ball-screw linkage, and described first
The soldering tip of the soldering tip of welding mechanism and second welding mechanism rotates under the action of the driving component.
As an improvement of the above technical solution, first welding mechanism includes the first support, the first pressurized cylinder, first
Bearing and the first welding gun, first pressurized cylinder, first bearing and the first welding gun are installed on first support, described
The output end of first pressurized cylinder is connect with first welding gun, and first welding gun is connected to the shaft of the first bearing
On.
As an improvement of the above technical solution, second welding mechanism includes the second support, the second pressurized cylinder, second
Bearing and the second welding gun, second pressurized cylinder, second bearing and the second welding gun are installed on second support, described
The output end of second pressurized cylinder is connect with second welding gun, and second welding gun is connected to the shaft of the second bearing
On.
As an improvement of the above technical solution, first positioning mechanism includes the first positioning plate and the first posting, institute
The first positioning plate is stated equipped with multiple first magnetic parts, the one side of first posting and web contact to be welded is equipped with multiple
First lug boss, first posting are installed on first positioning plate.
As an improvement of the above technical solution, second positioning mechanism includes the second positioning plate and the second posting, institute
The second positioning plate is stated equipped with multiple second magnetic parts, the one side of second posting and web contact to be welded is equipped with multiple
Second lug boss, second posting are installed on second positioning plate.
As an improvement of the above technical solution, first positioning mechanism is equipped with first passed through for first welding gun
Through-hole, second positioning mechanism are equipped with the second through-hole passed through for second welding gun.
As an improvement of the above technical solution, the smoke exhaust ventilator air duct spot welding special plane that is used for further includes multiple spot welding electrode
Seat, the multiple spot welding electrode tip holder are mounted on the rack and between first positioning mechanism and the second positioning mechanisms.
As an improvement of the above technical solution, the multiple spot welding electrode tip holder includes first electrode, second electrode, electrode tip holder gas
Cylinder and connecting plate, the first electrode and the second electrode are mounted on the two sides of the connecting plate, the electrode tip holder cylinder
Output end is connect with the connecting plate.
As an improvement of the above technical solution, first welding mechanism, second welding mechanism, first positioning
Mechanism, second positioning mechanism lower section be equipped with line slide rail, first welding mechanism, second welding mechanism, institute
State the first positioning mechanism, bottom and the line slide rail of second positioning mechanism are slidably connected.
As an improvement of the above technical solution, first welding mechanism, second welding mechanism, first positioning
Mechanism, second positioning mechanism, the multiple spot welding electrode tip holder and the peripheral of the driving component are covered with shield.
Provided by the invention a kind of for smoke exhaust ventilator air duct spot welding special plane, compared with prior art, have has as follows
Beneficial effect: 1, high degree of automation is realized by the first positioning mechanism and the second positioning mechanism to the plate welded for air duct
Loading fix, driving mechanism drives the first welding mechanism and the second welding mechanism to carry out multiple spot welding welding to plate, entire to weld
Termination process prosthetic participates in, high degree of automation；2, welding quality is high, and the first welding mechanism and the second welding mechanism pass through first
The control of pull rod, the second pull rod, cross bar, ball-screw linkage carries out multiple spot welding welding, the position of welding to air duct plate
Precisely, weld interval stablizes, and can guarantee that the quality of welding is high and stablizes.3, it is suitable for air duct arc structure, the first welding mechanism
Spot welding is rotated under the action of driving assembly with the soldering tip of the second welding mechanism, meets the welding demand of air duct arc well.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, the attached drawing to embodiment is simply situated between below
It continues.
Fig. 1 is the smoke exhaust ventilator air duct after the completion of welding provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram for smoke exhaust ventilator air duct spot welding special plane provided in an embodiment of the present invention；
Fig. 3 is a kind of perspective view for smoke exhaust ventilator air duct spot welding special plane provided in an embodiment of the present invention；
Fig. 4 is the top view of driving assembly provided in an embodiment of the present invention；
Fig. 5 is the structural scheme of mechanism of the first positioning mechanism provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of multiple spot welding electrode tip holder provided in an embodiment of the present invention.
Wherein, the first welding machine of 1- mechanism；11- first bearing；The first support of 12-；The first pressurized cylinder of 13-；14- first is welded
Rifle；The second welding mechanism of 2-；21- second bearing；The second support of 22-；The second pressurized cylinder of 23-；The first positioning mechanism of 3-；31,
First through hole；The second positioning mechanism of 4-；5- driving assembly；The first pull rod of 51-；The second pull rod of 52-；53- cross bar；54- ball wire
Lever mechanism；6- multiple spot welding electrode tip holder；61- first electrode；62- second electrode；63- connecting plate；64- electrode tip holder cylinder；7- machine
Frame.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to shown in Fig. 1-Fig. 6, the present invention provides one kind to be used for smoke exhaust ventilator air duct spot welding special plane comprising rack 7
With the first welding mechanism 1, the second welding mechanism 2, the first positioning mechanism 3, the second positioning mechanism 4 and the drive being arranged in rack 7
Dynamic component 5；First positioning mechanism 3 is oppositely arranged with second positioning mechanism 4, and the setting of the first welding mechanism 1 exists
First positioning mechanism 3 is arranged backwards to the side of second positioning mechanism 4, second welding mechanism 2 described second
Positioning mechanism 4 is backwards to the side of first positioning mechanism 3；The driving component 5 include the first pull rod 51, the second pull rod 52,
Cross bar 53, ball-screw linkage 54, first pull rod 51 are connect with the first welding mechanism 1, second pull rod 52 and institute
The connection of the second welding mechanism 2 is stated, first pull rod 51 and second pull rod 52 are fixedly mounted on the both ends of the cross bar 53,
The cross bar 53 is connected to the output end of the ball-screw linkage 54, the soldering tip and the second bonding machine of the first welding mechanism 1
The soldering tip of structure 2 rotates under the action of driving assembly 5.One kind provided by the invention is used for smoke exhaust ventilator air duct spot welding special plane, with
The prior art compares, and has the following beneficial effects: 1, high degree of automation, passes through the first positioning mechanism 3 and the second localization machine
The loading of the plate welded for air duct is fixed in the realization of structure 4, and driving mechanism drives the first welding mechanism 1 and the second welding mechanism
2 pairs of plates carry out multiple spot welding welding, and entire welding process prosthetic participates in, high degree of automation；2, welding quality is high, the first weldering
Connection mechanism 1 and the second welding mechanism 2 pass through the control of the first pull rod 51, the second pull rod 52, cross bar 53, ball-screw linkage 54
Multiple spot welding welding is carried out to air duct plate, the position of welding is accurate, weld interval stablizes, and can guarantee that the quality of welding is high and steady
It is fixed.3, it is suitable for air duct arc structure, the soldering tip of the first welding mechanism 1 and the second welding mechanism 2 is under the action of driving assembly 5
Spot welding is rotated, meets the welding demand of air duct arc well.
More preferably, in the present embodiment, first welding mechanism 1 includes the first support 12, the first pressurized cylinder 13, the
One bearing 11 and the first welding gun 14, first pressurized cylinder 13, first bearing 11 and the first welding gun 14 are installed in described
On one support 12, the output end of first pressurized cylinder 13 is connect with first welding gun 14, and first welding gun 14 connects
In in the shaft of the first bearing 11.Second welding mechanism 2 includes the second support 22, the second pressurized cylinder 23, second
Bearing 21 and the second welding gun (not shown), second pressurized cylinder 23, second bearing 21 and the second welding gun are installed in
On second support 22, the output end of second pressurized cylinder 23 is connect with second welding gun, and second welding gun connects
It is connected in the shaft of the second bearing 21.When specific works, the first pull rod 51 of driving assembly 5 is connect with the first welding gun 14,
Second pull rod 52 is connect with the second welding gun, the ball-screw linkage 54 of the first pull rod 51 and the second pull rod 52 in driving assembly 5
Under the action of drive the first welding gun 14 and the second welding gun to rotate by first bearing 11 and second bearing 21, to complete smoke pumping
The welding in machine air duct.
More preferably, in the present embodiment, first positioning mechanism 3 includes the first positioning plate and the first posting, described
First positioning plate is equipped with multiple first magnetic parts, and the one side of first posting and web contact to be welded is equipped with multiple the
One lug boss, first posting are installed on first positioning plate.Second positioning mechanism 4 includes the second positioning plate
With the second posting, second positioning plate is equipped with multiple second magnetic parts, and second posting connects with jointed sheet material to be welded
The one side of touching is equipped with multiple second lug bosses, and second posting is installed on second positioning plate.When work, Gong Renhuo
Person robot fastens plate to be welded and the first posting, the second posting, the first lug boss and the second lug boss with to
The hole location of welded blank engages, and gives jointed sheet material support force to be welded in the vertical direction, while the first positioning plate and the second positioning
Wlding to be welded is firmly adsorbed on the first posting and the second posting by the magnetic part on plate.First positioning mechanism 3
Equipped with the first through hole 31 passed through for first welding gun 14, second positioning mechanism 4, which is equipped with, is used for second welding gun
The second through-hole passed through.
More preferably, in the present embodiment, the smoke exhaust ventilator air duct spot welding special plane that is used for further includes multiple spot welding electrode tip holder 6,
The multiple spot welding electrode tip holder is mounted in rack 7 and between first positioning mechanism 3 and the second positioning mechanism 4.Due to
This is by the way of resistance welding for smoke exhaust ventilator air duct spot welding special plane, and the multiple spot welding electrode tip holder 6 includes first electrode
61, second electrode 62, electrode tip holder cylinder 64 and connecting plate 63, the first electrode 61 and the second electrode 62 are mounted on described
The two sides of connecting plate 63, the output end of the electrode tip holder cylinder 64 are connect with the connecting plate 63.First electrode 61 and the second electricity
Pole 62 and the face of web contact to be welded are cambered surface, to adapt to the construction in smoke exhaust ventilator air duct, first electrode 61 and second electrode
62 the first welding guns 14 of cooperation and the second welding gun are completed to treat the spot welding work of welded blank.
More preferably, in the present embodiment, first welding mechanism 1, second welding mechanism 2, first positioning
Mechanism 3, second positioning mechanism 4 lower section be equipped with line slide rail, first welding mechanism 1, second welding mechanism
2, first positioning mechanism 3, second positioning mechanism 4 bottom and the line slide rail be slidably connected.Preferably, straight line
The both ends of sliding rail are equipped with cylinder, and the output end of both ends cylinder connect with the first welding mechanism 1, the second welding mechanism 2 respectively, is used for
It is automatic to push the first welding mechanism 1, the second welding mechanism 2 to adjust spacing between the two, to adapt to the demand of real work.
More preferably, in the present embodiment, first welding mechanism 1, second welding mechanism 2, first positioning
Mechanism 3, second positioning mechanism 4, the multiple spot welding electrode tip holder 6 and the peripheral of the driving component 5 are covered with shield.It is anti-
Shield can prevent electric current when welding perhaps high temperature accidentally injure to worker around or machine while also avoid extraneous dust or
Sundries influences the work of welding.
Provided by the invention a kind of for smoke exhaust ventilator air duct spot welding special plane, compared with prior art, have has as follows
Beneficial effect: 1, high degree of automation is realized by the first positioning mechanism 3 and the second positioning mechanism 4 to the plate welded for air duct
The loading of material is fixed, and driving mechanism drives the first welding mechanism 1 and the second welding mechanism 2 to carry out multiple spot welding welding to plate, whole
A welding process prosthetic participates in, high degree of automation；2, welding quality is high, and the first welding mechanism 1 and the second welding mechanism 2 are logical
The control for crossing the first pull rod 51, the second pull rod 52, cross bar 53, ball-screw linkage 54 carries out multiple spot welding weldering to air duct plate
It connects, the position of welding is accurate, weld interval stablizes, and can guarantee that the quality of welding is high and stablizes.3, it is suitable for air duct arc structure
It makes, the soldering tip of the first welding mechanism 1 and the second welding mechanism 2 rotates spot welding under the action of driving assembly 5, meets wind well
The welding demand of road arc.
In the description of the present invention, it is to be understood that, the indicating positions such as term " on ", "lower", "left", "right" or position
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to
Show or implies that signified device or element must have a particular orientation and specific orientation constructs and operation, it is thus impossible to
It is interpreted as limitation of the present invention.In addition, " first ", " second " are merely due to describe purpose, and should not be understood as indication or suggestion
Relative importance or the quantity for implicitly indicating indicated technical characteristic.Therefore, define " first ", the feature of " second " can
To explicitly or implicitly include one or more this feature.In description of the invention, unless otherwise indicated, " multiples' " contains
Justice is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " phase
Even " " connection " etc. shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；
It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also be indirectly connected with by intermediary, it can be with
It is the connection inside two elements.For the ordinary skill in the art, concrete condition can be regarded and understand above-mentioned term
Concrete meaning in the present invention.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. one kind is used for smoke exhaust ventilator air duct spot welding special plane, which is characterized in that including rack and the first weldering being arranged on the rack
Connection mechanism, the second welding mechanism, the first positioning mechanism, the second positioning mechanism and driving assembly；
First positioning mechanism is oppositely arranged with second positioning mechanism, and first welding mechanism is arranged described first
Positioning mechanism backwards to the side of second positioning mechanism, the second welding mechanism setting second positioning mechanism backwards
The side of first positioning mechanism；
The driving component includes the first pull rod, the second pull rod, cross bar, ball-screw linkage, first pull rod and first
Welding mechanism connection, second pull rod are connect with second welding mechanism, and first pull rod and second pull rod are solid
Dingan County is mounted in the both ends of the cross bar, and the cross bar is connected to the output end of the ball-screw linkage, first welding
The soldering tip of the soldering tip of mechanism and second welding mechanism rotates under the action of the driving component.
2. according to claim 1 be used for smoke exhaust ventilator air duct spot welding special plane, which is characterized in that first welding mechanism
Including the first support, the first pressurized cylinder, first bearing and the first welding gun, first pressurized cylinder, first bearing and first
Welding gun is installed on first support, and the output end of first pressurized cylinder is connect with first welding gun, and described
One welding gun is connected in the shaft of the first bearing.
3. according to claim 2 be used for smoke exhaust ventilator air duct spot welding special plane, which is characterized in that second welding mechanism
Including the second support, the second pressurized cylinder, second bearing and the second welding gun, second pressurized cylinder, second bearing and second
Welding gun is installed on second support, and the output end of second pressurized cylinder is connect with second welding gun, and described
Two welding guns are connected in the shaft of the second bearing.
4. according to claim 1 be used for smoke exhaust ventilator air duct spot welding special plane, which is characterized in that first positioning mechanism
Including the first positioning plate and the first posting, first positioning plate is equipped with multiple first magnetic parts, first posting
Multiple first lug bosses are equipped with the one side of web contact to be welded, first posting is installed on first positioning plate
On.
5. according to claim 1 be used for smoke exhaust ventilator air duct spot welding special plane, which is characterized in that second positioning mechanism
Including the second positioning plate and the second posting, second positioning plate is equipped with multiple second magnetic parts, second posting
Multiple second lug bosses are equipped with the one side of web contact to be welded, second posting is installed on second positioning plate
On.
6. according to claim 3 be used for smoke exhaust ventilator air duct spot welding special plane, which is characterized in that the first positioning mechanism is equipped with
For the first through hole that first welding gun passes through, second positioning mechanism is equipped with second passed through for second welding gun
Through-hole.
7. according to claim 1 be used for smoke exhaust ventilator air duct spot welding special plane, which is characterized in that described to be used for smoke exhaust ventilator
Air duct spot welding special plane further includes multiple spot welding electrode tip holder, and the multiple spot welding electrode tip holder is mounted on the rack and is located at first positioning
Between mechanism and the second positioning mechanism.
8. according to claim 7 be used for smoke exhaust ventilator air duct spot welding special plane, which is characterized in that the multiple spot welding electrode tip holder
Including first electrode, second electrode, electrode tip holder cylinder and connecting plate, the first electrode and the second electrode are mounted on described
The output end of the two sides of connecting plate, the electrode tip holder cylinder is connect with the connecting plate.
9. according to claim 1 be used for smoke exhaust ventilator air duct spot welding special plane, which is characterized in that first bonding machine
Structure, second welding mechanism, first positioning mechanism, second positioning mechanism lower section be equipped with line slide rail, it is described
First welding mechanism, second welding mechanism, first positioning mechanism, the bottom of second positioning mechanism and described straight
Line sliding rail is slidably connected.
10. according to claim 7 be used for smoke exhaust ventilator air duct spot welding special plane, which is characterized in that first bonding machine
Structure, second welding mechanism, first positioning mechanism, second positioning mechanism, the multiple spot welding electrode tip holder and described
The periphery of driving assembly is all covered with shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710235936.6A CN106862743B (en) | 2017-04-12 | 2017-04-12 | One kind being used for smoke exhaust ventilator air duct spot welding special plane |
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|---|---|---|---|
| CN201710235936.6A CN106862743B (en) | 2017-04-12 | 2017-04-12 | One kind being used for smoke exhaust ventilator air duct spot welding special plane |
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| CN106862743A CN106862743A (en) | 2017-06-20 |
| CN106862743B true CN106862743B (en) | 2019-06-25 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107457553A (en) * | 2017-09-18 | 2017-12-12 | 湖南创研智能装备有限公司 | Flange fixing installation and smoke exhaust ventilator air channel |
| CN108620800A (en) * | 2018-06-29 | 2018-10-09 | 广州智索信息科技有限公司 | A kind of high-end detent mechanism for the welding of smoke exhaust ventilator air duct |
| CN109676307B (en) * | 2018-12-27 | 2021-09-14 | 湖南创研智能装备有限公司 | Positioning device for welding heater fixing frame |
| CN112658481A (en) * | 2020-12-31 | 2021-04-16 | 湖南创研智能装备有限公司 | Air duct volute laser welding device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6010822B2 (en) * | 1976-09-01 | 1985-03-20 | 株式会社日立製作所 | How to make a fan case |
| CN103028831B (en) * | 2012-11-26 | 2015-03-11 | 芜湖美的厨卫电器制造有限公司 | Welding processing device and welding method of extractor hood volute |
| CN103028878B (en) * | 2012-11-26 | 2015-03-11 | 芜湖美的厨卫电器制造有限公司 | Locating fixture for volute welding |
| CN104002034B (en) * | 2014-05-23 | 2016-06-15 | 建科机械（天津）股份有限公司 | Two welding mechanisms of reinforcing bar cage seam welding |
| CN205021004U (en) * | 2015-09-09 | 2016-02-10 | 福建省南平市建阳区安顺变压器配件厂 | Fin point trigger |
| CN205380354U (en) * | 2016-02-01 | 2016-07-13 | 东莞市奥海电源科技有限公司 | Electricity core welds device from moving point |
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Denomination of invention: Spot welding machine special for air flue of smoke exhaust ventilator Effective date of registration: 20200320 Granted publication date: 20190625 Pledgee: China Co. truction Bank Corp Guangzhou Tianhe subbranch Pledgor: Guangzhou Chuangyan Intelligent Technology Co.,Ltd. Registration number: Y2020980000865 |
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Date of cancellation: 20220621 Granted publication date: 20190625 Pledgee: China Co. truction Bank Corp Guangzhou Tianhe subbranch Pledgor: Guangzhou Chuangyan Intelligent Technology Co.,Ltd. Registration number: Y2020980000865 |
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