CN101138808A - Laser beam welding device used for producing divided type front cover of display apparatus frame - Google Patents

Laser beam welding device used for producing divided type front cover of display apparatus frame Download PDF

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Publication number
CN101138808A
CN101138808A CNA2007101819814A CN200710181981A CN101138808A CN 101138808 A CN101138808 A CN 101138808A CN A2007101819814 A CNA2007101819814 A CN A2007101819814A CN 200710181981 A CN200710181981 A CN 200710181981A CN 101138808 A CN101138808 A CN 101138808A
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CN
China
Prior art keywords
axis
laser
front cover
holder
display frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CNA2007101819814A
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Chinese (zh)
Other versions
CN101138808B (en
Inventor
曹永一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
COGNIZE CORP
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COGNIZE CORP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to KR1020070058346 priority Critical
Priority to KR10-2007-0058346 priority
Priority to KR1020070058346A priority patent/KR100864693B1/en
Application filed by COGNIZE CORP filed Critical COGNIZE CORP
Publication of CN101138808A publication Critical patent/CN101138808A/en
Application granted granted Critical
Publication of CN101138808B publication Critical patent/CN101138808B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20Bonding
    • B23K26/21Bonding by welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/0093Working by laser beam, e.g. welding, cutting or boring combined with mechanical machining or metal-working covered by other subclasses than B23K
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/60Preliminary treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70Auxiliary operations or equipment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work

Abstract

The present invention is a laser welding device adopting laser welding to the dividing device in the equipment which makes the two-divided or four-divided display frame front cover. The laser welding method is used to do automatic welding to the two-divided or four-divided component to reduce the deformation of the component and ensure the product quality, the organic operation of each component effectively embodies the total running process relative to the welding operation and the laser welding device of the divided display frame front cover with increased production efficiency.

Description

Be used to make the laser soldering device of separation type display frame front cover
Technical field
The present invention utilizes the laser weld mode to make 2 to cut apart or 4 separation type display frame front covers, detailed explanation is promptly distinguished individual components punching press and the welding manner of the display frame front cover material of punching press with a kind of brand-new form of the mode of laser weld by two partition members or four partition members, can effectively improve the efficient of production, and improve the quality of products.
Background technology
In recent years, along with the continuous development of information processor, between user and information processor, play the demand sharp increase of the display unit (visual device, device for image) of instrumentality.
Particularly the exploitation of HDTV is finished, and it is especially important that display unit just seems.
Well-known display unit generally comprises: color cathode tube display device (CRT), liquid crystal indicator (LCD), fluorescent display apparatus (VFD), plasma display system (PDP) etc.
But aspect the exploitation of HDTV, gratifying technically display element also is not born, so above-mentioned display unit is being kept the relation of replenishing mutually in the different field the inside.
In above-mentioned display unit, to the liquid crystal indicator and detailed the saying of plasma display system of the status of in competition, having the advantage in recent years.
At first, liquid crystal indicator is to utilize to be infused in the electric of the interior liquid crystal material of LCD panel, and optical property is represented the device of information, in recent years, constantly become television set, computer, field camera, DV, automobile navigation device, the display unit of various information-based machines and communicating machine.
Above-mentioned liquid crystal indicator converts the signal that influences that receives from information processor to the liquid crystal control signal, by the transit dose of liquid crystal adjusting light, needs to adopt the liquid crystal panel assembly make the signal of telecommunication can convert gr image to.
Above-mentioned liquid crystal panel assembly comprises: utilize the liquid crystal panel of liquid crystal display image, thereby be used to receive the printing loop substrate of the display panels signal of telecommunication and connect display panels and the long-pending lightened circuit substrate in tellite minimizing liquid crystal indicator plane.
In addition, because liquid crystal indicator self can not be luminous, so except LCD assembly, the bottom of LCD assembly also needs to be installed as the module backlight that LCD assembly provides light source.
Said modules all is installed in a base plate the inside, thereby avoids being damaged, and back light module group is equipped with in the below of base plate, and the display panels assembly is equipped with in the top of base plate.
Plasma display system is a kind of plasma that utilizes gas discharge to produce, at Plasmia indicating panel (Plasma Display Panel, abbreviation PDP) device of last show image, inject special gas in the plasmatron in plasma display system, after adding high pressure between the plasmatron electrode, be enclosed in layer glass it
Between the plasmatron cell in gas can produce ultraviolet light, and the excited fluophor layer obtain expecting image.
Above-mentioned plasma display system is with Plasmia indicating panel and the display frame base plate that is arranged in parallel in fact with described Plasmia indicating panel basically, between described Plasmia indicating panel and display frame base plate, be close on the display frame base plate heat transfer medium be located at that display frame base plate back connects with described Plasmia indicating panel and the drive circuit that drives the Plasmia indicating panel circuit is formed, described Plasmia indicating panel side combines with front shroud, and described drive circuit side combines with base plate finishes.
Above-mentioned plasma display system has best resolution ratio and illumination ratio in this field, not only answer speed is fast, and be fit to show large-area image, thus be widely used in TV, display, the indoor and outdoor advertisement is with display board etc.
In addition, above-mentioned liquid crystal indicator and plasma display system come off and combine with display frame front cover in order to prevent from simply to assign into display panel assembly in the same base plate.
Described display frame is provided with in order to support extending out of display panel assembly, is divided into display frame front cover and display frame bonnet according to the front and back position that is provided with, by aluminium alloy, and stainless steel, materials such as galvanized steel plain sheet or aluminum-zinc alloy steel plate are made.
This display frame front cover is made through the Sheet Metal Forming Technology of progressive mode or load mode, and undersized be integral type, large-sizedly cuts apart or 4 cuts apart to make up and make by 2.
Cut apart or methods that display frame front cover is made in 4 combinations of cutting apart form are after the part of each partition member is overlapped, to utilize specific template to force the extruding contact-making surface with 2.
But, existing 2 cut apart or the manufacture method of 4 separation type display frame front covers is under the overlapped state of the contact-making surface of parts, pressure is crushed to, set different pressure according to different materials and have certain difficulty, production efficiency is not high, the composition surface of final products has the convex closure of 0.8-1.0mm, can cause certain influence to miscellaneous part, pass through stamping pressure, the mode of utilizing the joint face distortion to engage, excessive stamping pressure can cause the distortion of parts and have defectives such as profile is coarse, and the quality of product is had certain influence.
When after adopting warpage, using the mode of laser weld, not only all process steps is complicated but also when the yi word pattern parts are converted into "  " font, warpage position and parts connecting portion 4 places need use laser weld, at this moment, because slit or two bending sides that bending part produces are inconsistent mutually, laser weld is easy to generate the bad problem of bending part, and these problems not only influence production also can reduce product quality.
The present invention is to the overall process that finally is made into product after raw material supply begins through the stamping procedure of partition member and welding sequence, the separation type display frame front cover production equipments that all carry out automatically, the present invention 2 is cut apart or the partition member of 4 separation type display frame front covers adopts the device of laser weld.
Summary of the invention
The present invention seeks to utilize the mode of laser weld to cut apart or 4 separation type display frame front covers are fixed and definite position, parts are welded, reduce the distortion of parts, guarantee product quality with this to 2.By the organic running of relevant each unit of weld job, improve the laser soldering device of the display frame front cover of production efficient.
Technical scheme of the present invention is: laser soldering device of the present invention in order to achieve the above object can move along X-axis and Y direction, 4 corners are provided with 4 jiaos of frames, and the present invention is by the fixing holder in 4 corners of partition member, X-axis drive motors and X-axis driving ball screw for mobile holder position, Y-axis is with drive motors and contain Y-axis and drive with the mold closing mechanism of ball screw and can be to X-axis by each linear moving-member, Y-axis, Z-direction moves and is fixed on the parts of 2 the above laser-beam welding machines that weld 2 above junctions at least on the mold closing mechanism and forms.
Above mold closing mechanism is distributed in along between the holder of X-axis line permutation arrangement, and mold closing mechanism can be moving to y-axis shift, comprises the fixedly auxiliary holder of the middle part of partition member.
The X-axis of above-mentioned mold closing mechanism drives with ball screw and Y-axis driving and is connected to form 2 combination forms with in the middle of the ball screw by connector, drives 2 holders or 2 groups of holders simultaneously by a motor.
Said fixing seat and a fixing holder distribute and are 90 degree settings, and containing can be moving to X-axis and y-axis shift by clamping cylinder, and the mobile holder of fastening partition member.
Above-mentioned each laser weld parts are distributed in the laser soldering device, and the image of welding position is passed to the control position, and comprising can automatic setting, guarantee the night vision camera machine of position, welding position.
When above-mentioned partition member belongs to 2 partition type parts, four jiaos of frame direction diagonals 2 laser soldering devices are set, 2 composition surfaces of partition member are welded, when partition member belongs to 4 partition type parts, in four corners laser soldering device is set, 4 composition surfaces are welded.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 is the front thumbnail that is used to make the laser aid of separation type display frame front cover equipment;
Fig. 2,3, Fig. 4 are the front elevation of laser soldering device, plane and side view;
Fig. 5, Fig. 6, Fig. 7 are front elevation, plane and the side view of the mold closing mechanism of laser soldering device of the present invention;
Fig. 8 and Fig. 9 are before laser soldering device is operated in mold closing mechanism and the view after the operation;
Figure 10 is the laser weld parts plane of laser soldering device;
Figure 11 is the side view of the laser weld parts of laser soldering device.
Wherein: 10a, 10b, 10c holder; 11a, 11b X-axis drive motors; 12a, 12b X-axis ball screw; The 13Y axis drive motor; 14Y axle ball screw; 15 mold closing mechanisms; 16a, 16b, the linear moving-member of 16c; 17a, 17b, 17c, 17d laser-beam welding machine; 18 laser soldering devices; 19a, 19b assists holder; 20 connectors; 21 fixation clips; 22 clamping cylinders; 23 moving press plates; 24 night vision camera machines; 25 ball nuts; 26 holder base plates; 27 bases; 28 supports; 29 columns; 30 fixed stations.
Fig. 1 is the front thumbnail that is used to make the laser aid of separation type display frame front cover equipment;
As Fig. 1, above-mentioned separation type display frame front cover by from make from raw material 2 cut apart or the partition member stamping procedure (100) of 4 partition type parts, partition member with the partition member of the arrangement of the partition member alignment process of four jiaos of shaped as frame attitude proper alignment, box shape with laser weld operation (120), bottom perforate operation, the box-shaped bending operation of laser weld, begin follow-up stamping procedure (130) such as operation and form.
Separation type display frame front cover by stamping procedure be made into 2 cut apart or 4 partition type partition members after, be combined into finished product and be similar to box structure by the particular arrangement operation, the product that continuation is finished integral type box-shaped attitude by laser weld operation and follow-up stamping procedure is after the display frame front cover, through the washing procedure of removing foreign material, check outbound behind flaw or crooked bad visual examination operation and the smooth operation final packaging.
Fig. 2 is the front elevation of laser soldering device, plane and side view to Fig. 4.
Arrive Fig. 4 as Fig. 2, above-mentioned laser soldering device is formed four jiaos of frame distributed architectures on device top, utilizes laser weld parts (18) that the column (29) in four corners is provided with and each laser weld parts (18) inboard to begin mold closing mechanism (15) composition that distributes and be provided with in its lower section.
Above-mentioned laser weld parts (18) possess 4 covers usually, utilize laser soldering device that the junction of partition member is welded.
Above-mentioned mold closing mechanism (15) utilizes the balanced fixedly method of the suitable position of partition member of holder, and weld under tightening state at 4 places of fastening partition member or 6 places, controls the distortion of welding position to greatest extent, obtains firm welding quality.
By transfer member (140), 2 cut apart or 4 partition members are loaded on the mold closing mechanism (15), clamp parts by the separation of mold closing mechanism (15) control holder, bonding part by laser weld parts (18) operation welder welding partition member, promptly the position that is connected is welded, so partition member forms the display frame front cover of four jiaos of shaped as frame shapes.
Fig. 5 is to front elevation, plane and the side view of Fig. 7 for the mold closing mechanism of laser soldering device of the present invention.
Arrive shown in Figure 7 as Fig. 5,4 or 6 positions of above-mentioned mold closing mechanism (15) fastening partition member when laser weld, 4 holders (10a) by 4 corners of fastening partition member, (10b), (10c), (10d) and the auxiliary holder (19a) of middle part, fastening 2 place, (19b) and drive the X-axis drive motors (11a) that these holders move on X-axis and Y-axis, (11b) and Y-axis drive motors (13), transmission drives with ball screw (12a) with X-axis, (12b) and Y-axis drive with ball screw (14) and form.
Along Y direction driving ball screw (14) is set under the bearing support, ball screw one side is provided with Y-axis drive motors (13), Y-axis drives with ball screw (14) and uses ball nut (25), be provided with two bases (27) at regular intervals along Y direction, above-mentioned base (27) top neatly is provided with under the support of bearing along X-direction and drives with ball screw (12a), (12b), in ball screw one side X-axis drive motors (11a) is set, (11b), drive with (12a) in X-axis, (12b) go up use ball nut (25) by loading holder (10a), (10b), (10c), 4 holder base plates (26) (10d) are formed four jiaos of frame distributed architectures.
Above-mentioned base (27) be fixed on along one group of holder of X line top proper alignment (10a, 10b or 10c, 10d) between the corresponding position of Y-axis be provided with auxiliary holder (19a), (19b).
During the change product type, the position of each holder also needs to adjust, drive the drive motors (11a) of X-axis this moment, (11b) with Y-axis drive motors (14), 6 holders (10a), (10b), (10c), (10d), (19a), (19b) can therefore when change of product, can arbitrarily adjust easily along X-axis and the moving installation site of adjusting of y-axis shift.
Above-mentioned X-axis drives with ball screw (12a), (12b), and Y-axis ball screw (14), two screw rods make up by a connector (20), by two holder (10a that are provided with on the ball screw, 10b or 10c, 10d) or 2 groups of holders (10a, 10b, 19a or 10c, 10d 19b) moves along X-axis or Y direction simultaneously.
Fixedly the holder of partition member (10a) (10b), (10c), (10d) is made up of fixture and drive unit, and fixture supports partition member in interior survey, and drive unit pressurizes to partition member in the outside.
When depression angle is seen holder base plate (26), be that benchmark is provided with 2 moving press plates (23) that are 90 degree angles wherein with a fixation clip (21), moving press plate (23) can be moving along X-axis and y-axis shift by clamping cylinder (22), is placed on partition member (150) on the fixed station (30) by inboard fixation clip (21) and outside moving press plate (23) fixing two ends closely.
Above-mentioned auxiliary holder (19a), (19b), with the fixing partition member of the form of each fixation clip (21) and the relative distribution of moving press plate (23).
Fig. 8 and Fig. 9 are before laser soldering device is operated in mold closing mechanism and the view after the operation.
As Fig. 8 and shown in Figure 9, be placed on being provided with on fixation clip (21) fixed station of holder and auxiliary holder through the partition member that transmits, clamping cylinder (22) brings into operation simultaneously, promote moving press plate (23) opposite side fixation clip (21), what partition member was firm is fixed between fixation clip and the moving press plate.
The front end of moving press plate (23) utilizes curved surface by the upper surface that stays in the partition member on the fixed station, and you can make the fixing more reliable of partition member.
Figure 10 is the laser weld parts plane of laser soldering device, and Figure 11 is the side view of the laser weld parts of laser soldering device.
As shown in Figure 10 and Figure 11, above-mentioned laser weld parts (18) are by the laser-welding machine (17a) at welding partition member link position, (17b), (17c), (17d) weld, be provided with 4 covers, follow needs according to product type, use 2 covers when welding 2 partition members, 4 covers are all enabled during 4 partition members.
The column (29) of four jiaos of shaped as frame attitudes is set respectively in device 4 corners, top, 3 linear moving-members (16a) of integral type are set on column (29), (16b), (16c), these linear moving-members are along X-direction, Y direction and Z-direction setting, and the linear moving-member (16) that is provided with along Z-direction upward is provided with laser-welding machine (17a) separately by support, (17b), (17c), (17d).
The linear moving-member (16a) of all directions, (16b), when (16c) starting working, laser-beam welding machine (17a) (17b), (17c), (17d) can be searched the welding position of partition member, and weld.
Can operate according to linear moving-member controller setting program, final laser-beam welding machine finds the associated welds position by a series of product instruction that linear moving-member is formulated.
Move the method for linear moving-member and laser-welding machine according to the setting program of controller, can adopt the known technology of association area, and not be subjected to any restriction.
Each laser-beam welding machine (17a) in the above-mentioned laser weld parts (15) (17b) is provided with a night vision camera machine (24), and night vision camera machine (24) is provided to the control position on every side to the welding position and after image information is taken.
The image information that night vision camera machine (24) is obtained can be more prone to carry out the position of laser instrument that the welding position is set, the adjustment that guarantees the position, primary position etc. is installed.
Utilize laser soldering device cut apart 2 or 4 partition type partition members to carry out the process of laser weld as follows:
Partition type parts with four jiaos of shaped as frame attitude proper alignment are loaded on the mold closing mechanism (15) after transmitting, 4 corners (other junctions except that the welding position) by mold closing mechanism (15) operation partition member are fixed and clamp, then by laser weld parts (18) operation two laser-beam welding machines (17a and 17d) or (17b and 17c) or 4 laser-welding machine (17a, 17d, 17b, 17c) welding position of reducing to partition member carries out laser weld, the partition member of finishing laser weld forms the box-shaped attitude identical with display frame front cover and makes complete product, and product is through washing, pack after the postprocessing working procedures such as assembling and dispatch from the factory.
Laser soldering device does not have the bending process, can weld the junction surface under former board status, and weld after firmly fixing parts by holder, it is poor not have section, the one's best quality of flat stable can be guaranteed, the dimensionally stable of outward appearance or significant points can be guaranteed.

Claims (6)

1. laser soldering device that is used to make separation type display frame front cover, it is characterized in that: comprising: contain along X-axis and Y-axis transportable, and be separately positioned on the holder (10a) in 4 corners of partition member with four jiaos of shaped as frame attitudes, (10b), (10c), (10d), be the X-axis drive motors (11a) that holder is moved along X-axis, (11b) and X-axis ball screw (12a), (12b), make holder along the moving Y-axis drive motors (13) of y-axis shift and the mold closing mechanism (15) of Y-axis ball bearing (14);
Contain by each linear moving-member (16) and can move, and be fixed on two above laser-welding machines (17a) that mold closing mechanism (15) one face down bondings connect two above partition members, laser weld parts (18) (17b) to X-axis, Y direction.
2. according to the described laser soldering device that is used to make separation type display frame front cover of claim 1, it is characterized in that: one group of holder (10a of proper alignment on the X-axis of described mold closing mechanism (15), 10b or 10c, 10d), be provided with and move along Y direction with described holder, the fixing auxiliary holder (19a) of middle part on the partition member length direction, (19b).
3. according to the laser soldering device that is used to make separation type display frame front cover described in claim 1 or 2, it is characterized in that: the ball screw (12a) along the X-axis driving of described mold closing mechanism (15), (12b) and in the middle of the ball screw (14) of Y-axis driving form with the form of two combinations, can drive two or two groups of holders simultaneously with a drive motors by connector.
4. according to the laser soldering device that is used to make separation type display frame front cover described in claim 1 or 2, it is characterized in that: described holder (10a), (10b), (10c), (10d), be 90 degree with a fixation clip (21) and distribute, promote to include the moving press plate (23) of partition member by clamping cylinder (22) to X-axis and Y-axis.
5. follow according to the laser soldering device that is used to make separation type display frame front cover described in the claim 1, it is characterized in that: described laser weld parts (15) are in laser instrument welding (17a), be respectively equipped with one (17b) and send the welding position image to the control position, comprise automatic setting, guarantee the night vision camera machine (24) of position, welding position.
6. follow according to the laser soldering device that is used to make separation type display frame front cover described in the claim requirement 1 or 5, it is characterized in that: described laser weld parts (15) are when welding 2 partition members, be provided with 2 laser-welding machines (17a) in diagonal positions, (17b), and two junctions of partition member are welded, when welding 4 partition members, on four angles of four jiaos of frames, 4 laser-welding machines (17a) are set, (17b), (17c), (17d).
CN2007101819814A 2007-06-14 2007-10-15 Laser beam welding device used for producing divided type front cover of display apparatus frame Expired - Fee Related CN101138808B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020070058346 2007-06-14
KR10-2007-0058346 2007-06-14
KR1020070058346A KR100864693B1 (en) 2007-06-14 2007-06-14 Laser unit for separation type chassis top equipment

Publications (2)

Publication Number Publication Date
CN101138808A true CN101138808A (en) 2008-03-12
CN101138808B CN101138808B (en) 2010-08-04

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CN (1) CN101138808B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103386567A (en) * 2013-07-12 2013-11-13 苏州澳冠自动化设备有限公司 Workpiece welding table in frame structure
CN104588943A (en) * 2014-11-21 2015-05-06 福建中澳科技有限公司 Weld clamp device for display base
CN110860865A (en) * 2019-11-28 2020-03-06 武汉中裕金属制品有限公司 Steel die forming control method and system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104722918A (en) * 2015-02-16 2015-06-24 徐象华 Nickel-base high energy battery electrode tab welding process

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Publication number Priority date Publication date Assignee Title
JPS6458000A (en) * 1987-08-27 1989-03-06 Aoki Kikai Kk Method and device for automatic welding of chassis frame and the like
JPH09174284A (en) * 1995-12-25 1997-07-08 Tatsuyoshi Kaneshiro Positioning device for welding
KR200222689Y1 (en) 2000-11-30 2001-05-15 이용훈 Apparatus for bonding corners of chassis
JP2005319969A (en) 2004-05-11 2005-11-17 Toyota Motor Corp Welding auxiliary device of chassis frame
KR20060080754A (en) * 2005-01-06 2006-07-11 삼성전자주식회사 Top chassis and display device having the same

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103386567A (en) * 2013-07-12 2013-11-13 苏州澳冠自动化设备有限公司 Workpiece welding table in frame structure
CN103386567B (en) * 2013-07-12 2015-05-20 苏州澳冠自动化设备有限公司 Workpiece welding table in frame structure
CN104588943A (en) * 2014-11-21 2015-05-06 福建中澳科技有限公司 Weld clamp device for display base
CN104588943B (en) * 2014-11-21 2016-05-18 福建中澳科技有限公司 The welding fixture device that a kind of display base is used
CN110860865A (en) * 2019-11-28 2020-03-06 武汉中裕金属制品有限公司 Steel die forming control method and system
CN110860865B (en) * 2019-11-28 2022-03-18 武汉中裕金属制品有限公司 Steel die forming control method and system

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Publication number Publication date
CN101138808B (en) 2010-08-04
KR100864693B1 (en) 2008-10-23

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