CN203526844U - Afflux sheet welding device, lower afflux sheet welding device and fixture of afflux sheet welding device - Google Patents
Afflux sheet welding device, lower afflux sheet welding device and fixture of afflux sheet welding device Download PDFInfo
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- CN203526844U CN203526844U CN201320562191.1U CN201320562191U CN203526844U CN 203526844 U CN203526844 U CN 203526844U CN 201320562191 U CN201320562191 U CN 201320562191U CN 203526844 U CN203526844 U CN 203526844U
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Abstract
The utility model discloses an afflux sheet welding device, a lower afflux sheet welding device and a fixture of the afflux sheet welding device. The fixture comprises a base, a guide block, a coiled core supporting block, a fixture cylinder and an upper cover. The center of the supporting block is provided with a centering groove and a through hole. The guide block and the coiled core supporting block are covered with the fixture cylinder. The fixture cylinder is provided with a centering component. The bottom wall of the upper cover is provided with a through hole used for laser welding, and the side wall of the upper cover is provided with a buckle groove. The peripheral wall of the fixture cylinder is provided with a protruding column. According to the fixture, due to the fact that the supporting block provided with the centering groove in the center and the fixture cylinder provided with the centering component are arranged at the two ends of the coiled core of a super capacitor to be machined respectively, the coiled core of the super capacitor to be machined can be located from the upper portion and the lower portion of the coiled core, and locating is accurate; meanwhile, the supporting block enables the fixture to be suitable for welding between coiled cores, with different heights, of super capacitors and afflux sheets; moreover, production change is convenient, and the number of labor hours and cost are reduced.
Description
Technical field
The utility model relates to fixture, relates in particular to a kind of fixture for the welding of super capacitor collection liquid sheet.
Background technology
In the middle of the production process of Welding Structure ultracapacitor, conventionally having a procedure is by the mode of Laser Welding, upper and lower flow collection sheet and volume core to be welded together, volume core positive and negative electrode is drawn, have good electric conductivity and weld strength, this operation is most important to the quality of product.
For laser weld, the positioning precision of ultracapacitor volume core welding position is the Fundamentals that affect its assembly quality, and the localization method of prior art positions welding position by frock clamp mostly.So, whether the design of frock clamp is reasonable, very large to the quality influence of electronic devices and components.Positioning precision is poor, and assembly quality is unstable; The unreasonable structure of frock clamp can cause impact in various degree to volume core electric conductivity and weld strength when assembling.
The frock clamp that has a kind of three-jaw structure in prior art, its by three-jaw shrink retainer ring make three-jaw shrink to clamp volume core and with flow collection sheet close contact, but due to this three-jaw and the clamping of moving of volume core simultaneously, between phase mutual friction, normal volume core and the flow collection sheet eccentricity issues of occurring, can not meet manufacturing technique requirent in use.In addition, this fixture can not meet the volume core of differing heights size and the demand of flow collection sheet welding.
Summary of the invention
The utility model is the defect that overcomes prior art, a kind of accurate positioning is provided and meets the volume core of different size and the next part flow weld jig of flow collection sheet welding demand, and it comprises pedestal, guide pad, volume core tray, fixture cylindrical shell and upper cover; Described pedestal, guide pad and volume core tray set gradually from bottom to top, and the central authorities of described volume core tray are provided with further groove and through hole, described to further groove for making one end of ultracapacitor volume core of wish processing in middle position; Described fixture cylindrical shell is connected with described pedestal, and covers at outside described guide pad and volume core tray; Described in the distance of described fixture cylindrical shell, pedestal certain altitude place is provided with centering parts, for the volume core of the ultracapacitor of wish processing is exerted pressure so that it is in middle position; The diapire of described upper cover has for the required operation window of laser weld, and sidewall has two above for connecting the buckle slot of described fixture cylindrical shell; Described fixture cylindrical shell periphery wall is provided with two above projections that can snap in described buckle slot.
According to embodiment of the present utility model, also can adopt following preferred technical scheme:
The internal face to further groove of described volume core tray is the taper surface of respective end automatic centering of the volume core of the ultracapacitor that can make wish processing.
Described centering parts have a plurality of, along the perisporium of described fixture cylindrical shell, are uniformly distributed, and each parts of feeling relieved include support and pinch roller, and described pinch roller is located at the end of the bar portion of described support with movable connection method, can be under certain pressure moving axially along described bar portion; The rotation direction of described pinch roller along described fixture cylindrical shell axially, and each pinch roller end is in opposite directions on same circumference, the diameter of this circumference is slightly less than the external diameter of the ultracapacitor volume core of wish processing.
On described guide pad and volume core tray, correspondence is provided with at least two dowel holes, to fix both relative positions by alignment pin.
The shape of the operation window on described upper cover diapire and size are at least can expose the position of required welding.
The center of described volume core tray is provided with internal thread hole for convenience detach, and described pedestal central authorities are provided with the through hole that is not less than described internal thread hole.
Described volume core tray can move back and forth with described guide pad in described fixture cylindrical shell, and replaceable.
The beneficial effects of the utility model are:
Fixture of the present utility model is respectively arranged with because roll up the two ends of core at the ultracapacitor of wish processing: central authorities are provided with the tray of further groove and are provided with the fixture cylindrical shell of the parts of feeling relieved, can position from upper and lower two positions to the volume core of the ultracapacitor of wish processing, so can accomplish accurate positioning, the use of simultaneously rolling up core tray makes again fixture of the present utility model go for the welding of the ultracapacitor volume core of differing heights, and change the line of production conveniently, saved man-hour and cost.
In a preferred technical scheme, by the internal face to further groove of volume core tray being designed to can make the taper surface of respective end automatic centering of volume core of the ultracapacitor of wish processing, greatly facilitate centering operation and improved efficiency.
In another preferred technical scheme, by the specially designed centering parts that comprise support and pinch roller, can pack ultracapacitor volume core in fixture cylindrical shell or in the process of taking out, between ultracapacitor volume outer core and the inwall of fixture cylindrical shell, it is rolling friction, thereby avoid the problem of the scuffing ultracapacitor volume core that sliding friction meeting causes, and more laborsaving when packing into and take out.
In another preferred technical scheme, on described guide pad and volume core tray, correspondence is provided with at least two dowel holes, and to fix both relative positions by alignment pin, thereby the contraposition that can avoid dislocation to cause is inaccurate, and the replacing of instant rolled core tray.
In another preferred technical scheme, the center of described volume core tray is provided with internal thread hole for convenience detach, and described pedestal central authorities are provided with the through hole that is not less than described internal thread hole, can dismantle described tray by external thread rod, efficiency when lifting clamp is changed.
Described volume core tray can move back and forth with described guide pad in described fixture cylindrical shell, and replaceable, and this design can make fixture be applicable to volume core and the next part flow welding of the ultracapacitor of differing heights.
The utility model also provides a kind of lower header welding device, comprise power part, rotation support platform and two above next part flow welding jigs and fixtures as described in front any one, and the above welding assembly of corresponding two of arranging, described in each, next part flow weld jig is along being circumferentially evenly located on described rotation support platform, described guide pad can drive described volume core tray to move under the effect of described power part, so that the volume core of the ultracapacitor of described next part flow and wish processing is close to mutually.
Lower header welding device of the present utility model, because comprising two above next part flow welding jigs and fixtures, and the above welding assembly of corresponding two of arranging, so can once pack a plurality of ultracapacitor volume cores into, carry out welding operation, promote operating efficiency.
The utility model also further provides a kind of flow collection sheet welder, comprises rotation support platform, upper flow collection sheet welding jigs and fixtures and front described lower header welding device; Described upper flow collection sheet welding jigs and fixtures and described next part flow welding jigs and fixtures are symmetrically set on described rotation support platform; Described upper flow collection sheet welding jigs and fixtures comprises the second pedestal, the second guide pad, volume Two core tray, the second fixture cylindrical shell and the second upper cover, described the second fixture cylindrical shell is located on described the second pedestal, and described the second guide pad, volume Two core tray are in described the second fixture inner barrel; The diapire of described the second upper cover has for the second required operation window of laser weld, and sidewall has two above for connecting the second buckle slot of described fixture cylindrical shell; Described the second fixture cylindrical shell periphery wall is provided with two above second projections that can snap in described the second buckle slot.
Flow collection sheet welder of the present utility model, because flow collection sheet welding jigs and fixtures on it and next part flow welding jigs and fixtures are symmetrically set on described rotation support platform, by described rotation support platform, realize the conversion of station, therefore next part flow or upper flow collection sheet are installed when can realize the upper flow collection sheet of welding or next part flow, thereby increase work efficiency, and within the short time of trying one's best, complete the welding of upper and lower flow collection sheet.
Accompanying drawing explanation
Fig. 1 is next part flow weld jig structural representation.
Fig. 2 is the cross-sectional schematic of the next part flow weld jig of Fig. 1.
Fig. 3 is the structural representation of the centering parts of an embodiment.
Fig. 4 is upper flow collection sheet weld jig structural representation.
Fig. 5 is the cross-sectional schematic of the upper flow collection sheet weld jig of Fig. 4.
The specific embodiment
Preferred embodiment the utility model is described in further detail to contrast accompanying drawing combination below.
As shown in Figure 1 and Figure 2, the next part flow weld jig of the present embodiment, comprises pedestal 1, guide pad 2, volume core tray 3, fixture cylindrical shell 4 and upper cover 6; Described pedestal 1, guide pad 2 and volume core tray 3 set gradually from bottom to top, and the central authorities of described volume core tray 3 are provided with further groove 301, described to further groove 301 for making one end of volume core 9 of ultracapacitor of wish processing in middle position; Described fixture cylindrical shell 4 is connected with described pedestal 1, and covers at outside described guide pad 2 and volume core tray 3; Described in the distance of described fixture cylindrical shell 4, pedestal 1 certain altitude place is provided with centering parts 5, for the volume core 9 of the ultracapacitor of wish processing is exerted pressure so that it is in middle position; The diapire of described upper cover 6 has for the required operation window of laser weld, and sidewall has two above for connecting the buckle slot 12 of described fixture cylindrical shell; Described fixture cylindrical shell 4 periphery walls are provided with the projection 11 that two (can be also obviously a plurality of, preferably evenly arrange on perisporium) can snap in described buckle slot 12.
Aforementioned certain altitude place can determine according to the size of reality ultracapacitor volume core 9 to be processed, as long as can realize location a relatively close end away from pedestal 1 of 5 pairs of volume cores 9 of centering parts.
In the present embodiment, in order to obtain the effect of better automatic centering, the set internal face to further groove 301 of central authorities of described volume core tray 3 be the ultracapacitor that can make wish processing volume core 9 respective end automatic centering fall truncated cone shape.
As shown in Figure 3, described centering parts 5 have a plurality of, perisporium along described fixture cylindrical shell 4 is uniformly distributed, each parts 5 of feeling relieved include support 501 and pinch roller 502, described pinch roller 502 is located at the end of the bar portion 5011 of described support 501 with movable connection method, can be under certain pressure moving axially along described bar portion 5011; The head 5012 of described support 501 sets firmly on the perisporium with described fixture cylindrical shell 4; The rotation direction of described pinch roller 502 along described fixture cylindrical shell 4 axially, and each pinch roller 502 end is in opposite directions on same circumference, the diameter of this circumference is slightly less than the external diameter of the ultracapacitor volume core 9 of wish processing.These specially designed centering parts 5 that comprise support 5011 and pinch roller 502, can be in being encased in fixture cylindrical shell 4 or in the process of taking out, because rolling up core 9 to ultracapacitor, apply certain elastic pressure, so, both guaranteed good centering (centering) effect, making again between ultracapacitor volume core 9 outer walls and the inwall of fixture cylindrical shell 4 is rolling friction, thus the problem of avoiding scuffing ultracapacitor that sliding friction meeting causes to roll up core 9, and more laborsaving when packing into and take out.Described pinch roller 502 in this figure also can be arranged to the form of universal wheel, thus can preset its rotation direction for along described fixture cylindrical shell 4 axially.
The precision of considering the applied product requirement of next part flow welding jigs and fixtures of the present utility model is higher, thus also preferably on described guide pad 2 and volume core tray 3 correspondence be provided with at least two dowel holes, to fix both relative positions by alignment pin 10.Like this, in the time of can avoiding in the situation of changing the line of production more change of lap core tray 3, there is the problem of dislocation between the two.Here said changing the line of production refers to the volume core 9 of differing heights and the welding of next part flow 7, at this moment just need to change the greater or lesser volume core tray 3 of thickness, to be adjusted to suitable volume core 9 positions, carrys out corresponding next part flow 7 weld part bit positions.
The shape of the operation window on described upper cover 6 diapires and size are at least can expose the position of required welding.Described operation window opens, can make to weld the opening that laser passes through on upper cover 6 diapires.In the present embodiment; indeformable when guaranteeing that next part flow 7 is adjacent to volume core 9; the ringwise gear-like design of operation window on the diapire of described upper cover 6; each position that need to weld in the corresponding next part flow 7 in each teeth groove position; fully to expose welding position, at the position without welding, retain dentation diapire, thereby can the corresponding site of next part flow 7 be played and be supported and protective effect.Described upper cover 6 lids are to described fixture cylindrical shell 4, the indentation, there of two buckle slot 12 is aimed at respectively two projections 11 on described fixture cylindrical shell 4, two projections 11 snap in two certain angles of the described upper cover 6 of the rear rotation of buckle slot 12, both firmly can be locked together to the location on being undertaken axially by 6 pairs of next part flows to be welded 7 of described upper cover.
Dismounting demand in order conveniently to change the line of production, in the situation such as maintenance, in the present embodiment, the center of described volume core tray 3 is also provided with the internal thread hole for dismantling, the central authorities of described pedestal 1 and guide pad 2 are equipped with the through hole that is not less than described internal thread hole, so that the dismounting of using loading bar (such as external thread rod) to roll up core tray 3.
In addition, described volume core tray 3 also can be designed to the form that can move back and forth in described fixture cylindrical shell 4 with described guide pad 2, can by electronic or Pneumatic component make to roll up core 9 under the promotion of described volume core tray 3 with flow collection sheet 7 close contacts so as welding.Meanwhile, described volume core tray 3 is replaceable, therefore can adapt to the welding of differing heights volume core.Like this design reason be, described volume core tray 3 in described fixture cylindrical shell 4, move back and forth distance limited, because displacement is excessive, easily cause centering inaccurate.Described to further groove 301 also through hole, this through hole is big up and small down falls truncated cone shape, can play equally the effect of automatic centering.
The lower header welding device of the present embodiment, comprise power part, rotation support platform and two next part flow welding jigs and fixtures as described in Example 1 above, and the above Laser Welding parts of corresponding two of arranging, described in each, next part flow weld jig is along being circumferentially evenly located on described rotation support platform, described guide pad can drive described volume core tray to move under the effect of described power part, so that the volume core of the ultracapacitor of described next part flow and wish processing is close to mutually.This design can have a plurality of welding posts, and the next part flow of a plurality of products is simultaneously welded, thereby raises the efficiency.
Above-mentioned rotation support platform is movable support platform etc. also, as long as can realize the conversion of product handling and two stations of Product jointing.
The flow collection sheet welder of the present embodiment, comprises the lower header welding device described in rotation support platform, upper flow collection sheet welding jigs and fixtures and embodiment 2, and the corresponding Laser Welding parts that arrange.Described upper flow collection sheet welding jigs and fixtures and described next part flow welding jigs and fixtures are symmetrically set on described rotation support platform.
As shown in Figure 4 and Figure 5, described upper flow collection sheet welding jigs and fixtures comprises the second pedestal 1 ˊ, the second guide pad 2 ˊ, volume Two core tray 3 ˊ, the second fixture cylindrical shell 4 ˊ and the second upper cover 6 ˊ, it is upper that described the second fixture cylindrical shell 4 ˊ are located at described the second pedestal 1 ˊ, and described the second guide pad 2 ˊ, volume Two core tray 3 ˊ are inner in described the second fixture cylindrical shell 4 ˊ; The diapire of described the second upper cover 6 ˊ has for the second required operation window of laser weld, and sidewall has two for connecting the second buckle slot 12 ˊ of described fixture cylindrical shell; Described the second fixture cylindrical shell 4 ˊ periphery walls are provided with two second projection 11 ˊ that can snap in described the second buckle slot 12 ˊ.Obviously, described in the second buckle slot 12 ˊ and the second projection 11 ˊ that cooperatively interact be not limited to two, and can be a plurality of, preferably on perisporium, be uniformly distributed.
Upper flow collection sheet welding jigs and fixtures in the present embodiment is compared with the next part flow welding jigs and fixtures in embodiment 1, except the centering parts 5(that can arrange wherein also can retain certainly), the center positioning hole difference on volume Two core tray 3 ˊ, all the other are each corresponding assembly all, all can adopt identical structure.This is because after next part flow is welded with volume core 9 ˊ, this end of ultracapacitor is a plane, can automatically make other one end in middle position while being placed in the center positioning hole on described volume Two core tray 3 ˊ, and guarantees the effect of welding.Described center positioning hole is out the through hole at described volume Two core tray 3 ˊ centers, and the boss that can make to roll up the respective end of core 9 inserts wherein with centering.In addition, equally preferably on described guide pad 2 ˊ and volume core tray 3 ˊ, correspondence is provided with at least two dowel holes, to fix both relative positions by alignment pin 10 ˊ.Equally, in the time of can avoiding in the situation of changing the line of production more change of lap core tray 3 ˊ, there is the problem of dislocation between the two.Here said changing the line of production refers to the volume core 9 of differing heights and the welding of upper flow collection sheet 8, at this moment just need to change greater or lesser volume core tray 3 ˊ of thickness, to be adjusted to suitable volume core 9 positions, carry out corresponding upper flow collection sheet 8 weld part bit positions, finally can carry out Laser Welding by Laser Welding parts.
Flow collection sheet welder of the present utility model, because flow collection sheet welding jigs and fixtures on it and next part flow welding jigs and fixtures are symmetrically set on described rotation support platform, by described rotation support platform, realize the conversion of station, therefore next part flow or upper flow collection sheet are installed when can realize the upper flow collection sheet of welding or next part flow, thereby increase work efficiency, and within the short time of trying one's best, complete the welding of upper and lower flow collection sheet.
Equally, the rotation support platform in the present embodiment is movable support platform etc. also, as long as can realize the conversion of product handling and two stations of Product jointing.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of ordinary skill in the field; without departing from the concept of the premise utility; can also make some being equal to substitutes or obvious modification, and performance or purposes identical, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. a next part flow welding jigs and fixtures, is characterized in that: comprise pedestal, guide pad, tray, fixture cylindrical shell and upper cover;
Described pedestal, guide pad and volume core tray set gradually from bottom to top, and the central authorities of described volume core tray are provided with further groove and through hole, described to further groove for making one end of ultracapacitor volume core of wish processing in middle position;
Described fixture cylindrical shell is connected with described pedestal, and covers at outside described guide pad and volume core tray;
Described in the distance of described fixture cylindrical shell, pedestal certain altitude place is provided with for the volume core of the ultracapacitor of wish processing is exerted pressure so that its centering parts in middle position;
The diapire of described upper cover has for the required operation window of laser weld, and sidewall has two above for connecting the buckle slot of described fixture cylindrical shell; Described fixture cylindrical shell periphery wall is provided with two above projections that can snap in described buckle slot.
2. next part flow welding jigs and fixtures as claimed in claim 1, is characterized in that: the internal face to further groove of described volume core tray is the taper surface of respective end automatic centering of the volume core of the ultracapacitor that can make wish processing.
3. next part flow welding jigs and fixtures as claimed in claim 1, it is characterized in that: described centering parts have a plurality of, perisporium along described fixture cylindrical shell is uniformly distributed, each parts of feeling relieved include support and pinch roller, described pinch roller is located at the end of the bar portion of described support with movable connection method, can be under certain pressure moving axially along described bar portion;
The rotation direction of described pinch roller along described fixture cylindrical shell axially, and each pinch roller end is in opposite directions on same circumference, the diameter of this circumference is less than the external diameter of the ultracapacitor volume core of wish processing.
4. next part flow welding jigs and fixtures as claimed in claim 1, is characterized in that: on described guide pad and volume core tray, correspondence is provided with at least two for dowel hole, to fix both relative positions by alignment pin.
5. next part flow welding jigs and fixtures as claimed in claim 1, is characterized in that: the shape of the operation window on described upper cover diapire and size are at least can expose the position of required welding.
6. next part flow welding jigs and fixtures as claimed in claim 5, is characterized in that: the ringwise gear-like design of shape of described operation window, each position that need to weld in the corresponding described next part flow in each teeth groove position.
7. next part flow welding jigs and fixtures as claimed in claim 1, is characterized in that: the center of described volume core tray is provided with internal thread hole for convenience detach, and described pedestal central authorities are provided with the through hole that is not less than described internal thread hole.
8. next part flow welding jigs and fixtures as claimed in claim 7, is characterized in that: described volume core tray can move back and forth with described guide pad in described fixture cylindrical shell, and replaceable.
9. a lower header welding device, it is characterized in that: comprise power part, rotation support platform and two above next part flow welding jigs and fixtures as described in claim 1-8 any one, and the above Laser Welding parts of corresponding two of arranging, described in each, next part flow weld jig is along being circumferentially evenly located on described rotation support platform, described guide pad can drive described volume core tray to move under the effect of described power part, so that the volume core of the ultracapacitor of described next part flow and wish processing is close to mutually.
10. a flow collection sheet welder, is characterized in that: comprise rotation support platform, upper flow collection sheet welding jigs and fixtures and lower header welding device claimed in claim 9, and the corresponding Laser Welding parts that arrange;
Described upper flow collection sheet welding jigs and fixtures and described next part flow welding jigs and fixtures are symmetrically set on described rotation support platform;
Described upper flow collection sheet welding jigs and fixtures comprises the second pedestal, the second guide pad, volume Two core tray, the second fixture cylindrical shell and the second upper cover, described the second fixture cylindrical shell is located on described the second pedestal, and described the second guide pad, volume Two core tray are in described the second fixture inner barrel;
The diapire of described the second upper cover has for the second required operation window of laser weld, and sidewall has two above for connecting the second buckle slot of described fixture cylindrical shell; Described the second fixture cylindrical shell periphery wall is provided with two above second projections that can snap in described the second buckle slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320562191.1U CN203526844U (en) | 2013-09-10 | 2013-09-10 | Afflux sheet welding device, lower afflux sheet welding device and fixture of afflux sheet welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320562191.1U CN203526844U (en) | 2013-09-10 | 2013-09-10 | Afflux sheet welding device, lower afflux sheet welding device and fixture of afflux sheet welding device |
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| Publication Number | Publication Date |
|---|---|
| CN203526844U true CN203526844U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320562191.1U Expired - Lifetime CN203526844U (en) | 2013-09-10 | 2013-09-10 | Afflux sheet welding device, lower afflux sheet welding device and fixture of afflux sheet welding device |
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| CN (1) | CN203526844U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551774A (en) * | 2013-09-10 | 2014-02-05 | 深圳市今朝时代新能源技术有限公司 | Current collecting piece welding device, lower current collecting piece welding device and fixture of lower current collecting piece welding device |
| CN105312762A (en) * | 2015-10-30 | 2016-02-10 | 沈阳黎明航空发动机(集团)有限责任公司 | Friction welding variable-size welding tool and welding method thereof |
| CN106524981A (en) * | 2016-11-01 | 2017-03-22 | 昆明理工大学 | Medium-length hole offset degree measurement apparatus |
-
2013
- 2013-09-10 CN CN201320562191.1U patent/CN203526844U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551774A (en) * | 2013-09-10 | 2014-02-05 | 深圳市今朝时代新能源技术有限公司 | Current collecting piece welding device, lower current collecting piece welding device and fixture of lower current collecting piece welding device |
| CN103551774B (en) * | 2013-09-10 | 2015-06-10 | 深圳市今朝时代新能源技术有限公司 | Current collecting piece welding device, lower current collecting piece welding device and fixture of lower current collecting piece welding device |
| CN105312762A (en) * | 2015-10-30 | 2016-02-10 | 沈阳黎明航空发动机(集团)有限责任公司 | Friction welding variable-size welding tool and welding method thereof |
| CN106524981A (en) * | 2016-11-01 | 2017-03-22 | 昆明理工大学 | Medium-length hole offset degree measurement apparatus |
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| C14 | Grant of patent or utility model | ||
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Address after: 518057 Guangdong city of Shenzhen province Nanshan District Gao Xin Road No. 009 China Technology Development Institute Technology Park building three, 202 building, room 306 Patentee after: TIG TECHNOLOGY Co.,Ltd. Address before: 518057 Guangdong city of Shenzhen province Nanshan District Gao Xin Road No. 009 China Technology Development Institute Technology Park building three, 202 building, room 306 Patentee before: Shenzhen TIG New Energy Technologies Co.,Ltd. |
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Granted publication date: 20140409 |