CN202701613U - Laser welding clamp of battery - Google Patents
Laser welding clamp of battery Download PDFInfo
- Publication number
- CN202701613U CN202701613U CN 201220287125 CN201220287125U CN202701613U CN 202701613 U CN202701613 U CN 202701613U CN 201220287125 CN201220287125 CN 201220287125 CN 201220287125 U CN201220287125 U CN 201220287125U CN 202701613 U CN202701613 U CN 202701613U
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- battery
- plate
- liner plate
- laser welding
- accommodating groove
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- Expired - Lifetime
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Abstract
The utility model discloses a laser welding clamp of a battery. The laser welding clamp comprises a base plate, a printed circuit board (PCB) lining plate and a battery lining plate. The base plate can be fixedly connected with a welding platform, and a plurality of light transmitting holes are arranged in two rows at intervals on the center position of the welding platform. The PCB lining plate can be fixedly arranged at the center position of the base plate separably, and accommodating grooves are arranged on the PCB lining plate so as to place a protecting plate on the PCB lining plate. The battery lining plate can be fixed on two sides of the PCB lining plate on the base plate separably, a plurality of battery accommodating grooves are arranged on the battery lining plate, and the lateral portions and the bottoms of the battery accommodating grooves form elastic locating devices respectively. The light transmitting holes, the accommodating grooves and the battery accommodating grooves are arranged in corresponding mode. The clamp can be assembled conveniently by using four portions of embedding structures and by combining a locating pin hole and a magnet, a square battery contacts the elastic locating devices on two sides to achieve accurate locating, welding quality is improved, simultaneously all portions are attracted by using pin hole locating and the magnet, and installing and use are convenient.
Description
Technical field
The utility model relates to battery product frock clamp field, particularly relates in a kind of battery laser welding process using anchor clamps.
Background technology
Lithium ion battery is widely used in portable communication apparatus and portable electric appts, especially in smart electronics product now, use more extensively, have extremely strong market potential, mainly comprise column lithium ion battery, rectangular lithium ion battery, polymer Li-ion battery.Wherein polymer Li-ion battery is high because of its exclusive security performance, uses more and more extensively in market, will become the main product kind of lithium ion battery.Polymer Li-ion battery is before coming into the market; the short circuit that in use causes because of improper use for fear of product, overcharge, cross and put, and cause product heating, on fire, blast, and capacitance loss, battery failure; must protect, pack battery core, make it satisfy customer requirement.
Battery core is being protected, in the packaging process, baffle and cell polar ear are being welded as one of of paramount importance link wherein, its welding quality has a significant impact final product structure and performance.But present stage square shaped polymer Li-ion battery and the welding process of baffle; only according to manually by simple frock clamp; baffle is positioned welding; because clamp structure is too oversimplified; safety guarantee is not in place, and welding efficiency is low, and the welding uniformity is poor; cause to have very large deficiency in the use procedure, also very large on the product quality impact simultaneously.
Summary of the invention
The purpose of this utility model is for the technological deficiency that exists in the prior art, and a kind of battery laser welding clamp is provided.
For realizing that the technical scheme that the purpose of this utility model adopts is:
A kind of battery laser welding clamp comprises base plate, and it can be fixedly connected with jig and the center is provided with and is a plurality of loopholes two row layouts, that the interval arranges; The PCB liner plate, it is fixedly installed on the base plate center separably, is provided with holding tank on it to allow baffle to be placed on it; The battery liner plate, it is fixedly installed on PCB liner plate both sides on the base plate separably, is provided with a plurality of battery accommodating grooves at described battery liner plate, and described battery accommodating groove sidepiece and bottom are formed with respectively elastic positioning device; Cover plate, it is fixedly installed on the battery liner plate separably; Wherein said loophole, holding tank and battery accommodating groove be up and down corresponding setting all.
The assembly that described PCB liner plate and battery liner plate are integrally formed.
Described being fixedly installed separably as fixing pin being set respectively with fixing hole and being provided with accordingly the magnet that can adsorb mutually on two parts.
At described PCB liner plate and battery pole ear corresponding position copper billet is installed.
Be fixedly installed respectively magnet at copper billet and two lug corresponding positions of battery.
Described elastic positioning device is fixedly installed on the elastomeric material of battery accommodating groove inner side edge.
The elastic positioning device of described bottom is manual positioning device, and described manual positioning positioner comprises the cavity 61 that is arranged on the side edge plate body of battery liner plate bottom, is provided with through hole between described cavity and battery accommodating groove; Be arranged in the cavity and its end can extend to from through hole the locating piece 62 of through hole inside; The spring 63 that is arranged on inside cavity and forces described locating piece end to be stretched out to battery accommodating groove inside, and two ends extend outside the plate body both sides and can interfere and drive the push rod 64 that described locating piece moves forward and backward with described locating piece, and with the cover plate 69 of described cavity 61 sealings.
Elastic positioning device described bottom and/or sidepiece is spring-positioning device, and described spring-positioning device comprises the container cavity 51 that is formed on the battery accommodating groove sides adjacent plate body, and described container cavity and battery accommodating groove opposite side offer through hole; Be arranged on container cavity inside and the locating piece 52 of its leading section in through hole extends to the battery accommodating groove; Be arranged between locating piece 52 backs and container cavity in order to holding described locating piece front end to the inner outstanding spring 53 of battery accommodating groove, and with the cover plate 54 of described container cavity upper opening sealing.
Described cover plate inner side edge and lug corresponding position are formed with skewed slot.
Described battery liner plate and PCB liner plate sides adjacent are formed with the wedge shape positioning strip outwardlyly, and described positioning strip is interrupted in one section formation corresponding with lug.
Positioning strip is interrupted in one section formation corresponding with lug.
Compared with prior art, the beneficial effects of the utility model are:
Anchor clamps of the present utility model, simple in structure easy to assembly, practical, utilize 4 part embedded structures, but utilize dowel hole and magnet to cooperate ease of assembly, the elastic positioning device of rectangular cell contact both sides can be realized accurate location, improves welding quality, adopts simultaneously pin-and-hole location and magnet attraction between each parts, more so that install and use convenient, once can carry the polylith battery, service efficiency improves, and is specially adapted to high-efficiency laser welding.
Description of drawings
Figure 1 shows that fixture for laser welding decomposition texture schematic diagram of the present utility model;
Figure 2 shows that the base arrangement schematic diagram of the fixture for laser welding of this utility model;
Figure 3 shows that the PCB lining plate structure schematic diagram of fixture for laser welding of the present utility model;
Figure 4 shows that the battery lining plate structure oblique view of fixture for laser welding of the present utility model;
Figure 5 shows that the battery lining plate structure front view of fixture for laser welding of the present utility model;
Figure 6 shows that A shown in Figure 5 section partial structurtes enlarged diagram;
The Manual elastic positioner that Figure 7 shows that fixture for laser welding of the present utility model holds the block structure schematic diagram;
Figure 8 shows that the packaged attitude structural representation of joining of holding of Manual elastic positioner;
Figure 9 shows that the covering plate structure schematic diagram of fixture for laser welding of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Shown in Fig. 1-9, fixture for laser welding of the present utility model, base plate 1, it can be fixedly connected with jig and the center is provided with and is a plurality of loopholes two row layouts, that the interval arranges, and the quantity of described loophole is consistent also corresponding with the number of batteries that the battery liner plate can carry; The PCB liner plate, it is fixedly installed on the base plate center separably, be provided with holding tank on it allowing baffle to be placed on it, described holding tank is corresponding with the shape of baffle not to be interfered with miscellaneous part in it and satisfies pad and stablize and be as the criterion baffle steadily can be placed; The battery liner plate, it is fixedly installed on PCB liner plate both sides on the base plate separably, be provided with a plurality of battery accommodating grooves at described battery liner plate, described battery accommodating groove can hold battery the location and make the solder joint of its lug and baffle staggered so that laser weld up and down, described battery accommodating groove sidepiece and bottom are formed with respectively elastic positioning device, utilize the elastic positioning device can be so that the placement of battery and taking-up process are more smooth and easy and improve the battery accommodating groove holds the location to battery accuracy; Cover plate 4, it is fixedly installed on the battery liner plate separably, is about to battery after it is fixedly connected with the battery liner plate and is pressed in battery accommodating groove inside, makes the uniqueness of its holding position, is provided with the spraying hole simultaneously thereon, so that information such as spraying codings.
Wherein, as shown in Figure 2, described base plate 1 is preferably the bakelite material, the loophole 11 of 16 interval settings is two row and arranges symmetrical at the base plate middle part, between limit, the described base plate left and right sides and two row loopholes, be provided with symmetrically alignment pin 12, preferably, described alignment pin not point-blank but interlaced setting, to improve the precision of location.Simultaneously, also be fixedly installed phase magnet 13 in described base plate both sides.Simultaneously for making things convenient for the movement of base plate, also be formed with catching groove 14 in both sides up and down at described base plate, described catching groove is parallel with loophole, and the battery liner plate partly covers catching groove when being fixedly installed on the battery liner plate on the base plate, like this by catching groove also so that the battery liner plate take conveniently.Be formed with four irony boss 15 and two locating holes 16,17 simultaneously and at base plate 1, the shape of two locating holes is different and corresponding with the alignment pin on the jig, so as to unique separable be fixedly connected with of realization base plate with platform, described boss 15 is formed on four jiaos of places of base plate symmetrically, it can be embedded in the fixedly depression on the laser welding platform matchingly, to realize both being fixedly connected with.
As shown in Figure 3; described PCB liner plate 2 is the strip platy structure; it is made by bakelite and in order to carry baffle and it is maintained predetermined welding position; described PCB liner plate comprises the L shaped holding tank 21 with the baffle coupling; be arranged on the alignment pin with on the base plate on the plate body is corresponding between the described holding tank locating hole 22 and magnet 23; be arranged on the up and down copper billet 24 of both sides of PCB liner plate; be fixedly installed on the magnet 25 on the copper billet; described magnet 25 setting positions are corresponding with the tab welding position; it can effectively adsorb the connection nickel sheet of baffle and cell polar ear is clamped between baffle nickel sheet and the magnet; cell polar ear and baffle nickel sheet are maintained on the copper billet of PCB liner plate jointly; be conducive to improve the applying effect of cell polar ear and PCB liner plate; improve welding quality; utilize simultaneously the laser penetration of welding to act on the magnet 25; magnet 25 produces loss after using a period of time, changes magnet 25 and gets final product and need not to change the red copper piece with the saving cost.Preferably, described copper billet is the red copper piece, and it has better thermal conductivity, is conducive to the heat radiation of pad.
Shown in Fig. 4-5, described two battery liner plates 3 are fixedly installed on separably on the base plate and are positioned at PCB liner plate both sides, battery liner plate and PCB liner plate are divided be arranged, and can improve the use field of battery liner plate, can directly carry out Bending Processing etc., and need not battery is taken out.Described battery liner plate 3 comprises battery accommodating groove 31 corresponding to a plurality of and described through hole that is formed on the described battery liner plate, be formed on lower surface and with locating hole and the magnet of described base plate alignment pin and the corresponding setting of magnet, be formed on the upper surface both sides and reach and alignment pin 32 and the magnet 33 of PCB liner plate sides adjacent in order to be fixedly connected with cover plate, and the spring-positioning device 5 and the manual positioning device 6 that is arranged on the battery accommodating trench bottom that are arranged on battery accommodating groove right side.Wherein, described battery accommodating groove 31 is formed by positioning strip 36, left and right sides side and shelves limit, bottom limitation, simultaneously between two described battery accommodating grooves, be formed with block, described battery accommodating groove is a bit larger tham battery, generally determined by battery structure design full-size by battery accommodating groove size, in order to pick and place and locate.Wherein, be formed with catching groove 34 so that battery is taken out on limit, described battery accommodating groove left and right sides intermediate recess ground.
Described positioning strip 36 is for being integrally formed in projectedly the wedge structure of battery liner plate and PCB liner plate sides adjacent outward; described positioning strip is interrupted in one section formation corresponding with lug; when can guaranteeing to hold mutually with the PCB liner plate when mounted, it forms a narrow gap between battery pole ear position battery liner plate and PCB liner plate; utilize this narrow gap can make CCD utilize detection battery pole ear backlight and baffle nickel sheet degree of registration, also provide benchmark for the welding position simultaneously.
As shown in Figure 6, described spring-positioning device 5 comprises the container cavity 51 that is formed on the plate body of battery accommodating groove right side, and described container cavity and battery accommodating groove opposite side offer through hole; Be arranged on container cavity inside and the locating piece 52 of its outer end, both sides in through hole extends to the battery accommodating groove; Be arranged between locating piece 52 backs and container cavity in order to supporting outwards outstanding spring 53 of described locating piece both sides, and with the cover plate 54 of described container cavity upper opening sealing.
Specifically, described locating piece 52 comprises movable block and is formed on movable block up and down two sheets or the shaft-like withstanding part of dual-side, described withstanding part can pass matchingly that described through hole enters battery accommodating groove inside and movable block is limited in the container cavity, simultaneously, be formed with the spring container cavity with mounting spring in both sides, described movable block back.Utilize the moving forward and backward property of withstanding part, convenient in the time of can realizing battery is installed, under the thrust of withstanding part after the installation at spring, battery is adjacent to the left side of battery accommodating groove, improve accurate positioning.Simultaneously, for improving the precision of location, described spring-positioning device is separately positioned on up and down two places of catching groove, and described withstanding part end is globoidal structure, reduce the contact area of withstanding part end and battery, can reduce contact to the impact of positioning accuracy, globoidal structure has also reduced in taking process battery and the sharp-pointed structure accidents such as scuffing of colliding with simultaneously.
Shown in Fig. 7 and 8, described manual positioning positioner comprises the cavity 61 that is arranged on the side edge plate body of battery liner plate bottom, and described cavity and battery accommodating groove opposite side are formed with through hole; Be arranged on the locating piece 62 that interior also its end of cavity can extend to from through hole through hole inside, the spring 63 that is arranged on inside cavity and forces described locating piece end to be stretched out to battery accommodating groove inside, and can interfere and drive push rod 64 that described locating piece moves forward and backward with described locating piece and with the cover plate 69 of described cavity 61 sealings.
Specifically, described cavity 61 is formed on each battery accommodating trench bottom center, described locating piece comprises base portion 66 and the block top tongue 65 that extends to form forward with respect to described base bottom, be formed on the mountain peak shape projection 67 of base portion 66 and battery accommodating groove same side, and the spring container cavity 68 that is formed on base portion and top tongue phase dorsal part.The cross section of described push rod 64 is square structure, positioning cap is extended respectively outside the battery liner plate both sides and forms at both ends at its two ends, described push rod is formed with the mountain valley shape depression 70 corresponding with protruding 67 with described locating piece corresponding position, described projection embeds in the depression matchingly or both are staggered, namely spurring the push rod move left and right can be so that projection embeds in the depression or both are staggered, by the switching of two states and the effect that holds of spring, can be so that described top tongue can stretch out or retracts from opening part, when projection embeds in the depression, after the top tongue is with the battery location, still have surplus between the two, the positioning action that is battery relies on spring to finish, and the effect of push rod is to lock operation of spring so that spring fitting and the convenience that takes off.
Wherein, described elastic positioning device is not limited to two kinds of above-mentioned structures; can adopt at battery accommodating groove sidewall and be fixedly installed elastomeric material such as sponge, leaf spring etc.; simultaneously also can adopt the spring location structure in the bottom, perhaps the sidepiece of battery accommodating groove adopts these distortion such as Manual elastic location structure all within protection domain of the present utility model.
As shown in Figure 9, described cover plate 4 comprises and runs through described cover plate and the spraying hole 41 corresponding with described battery accommodating groove, with alignment pin on the described battery liner plate and locating hole 42 and the magnet 43 of the corresponding setting of magnet, be formed with skewed slot 44 in the corresponding position up and down at inner edge and described lug with described cover plate simultaneously, at first, skewed slot has the laser weld positioning action: regulate the welding position take the skewed slot section as benchmark in the process of welding, the positional precision of control solder joint is improved.Secondly, skewed slot can increase the welding position superjacent air space, sees through the skewed slot amount of laser light thereby increase, and helps to improve welding effect.Besides, skewed slot also is convenient to directly observe or take the welding situation, and then obtains accurately welding quality feedback.
Anchor clamps of the present utility model in use, at first base plate is fixedly connected on the laser welding platform, then successively PCB liner plate and two battery liner plates are placed on the base plate, PCB liner plate and battery liner plate rely on the adhesive effect of the cooperation of alignment pin and locating hole and corresponding magnet to firmly fix to be connected on the base plate, this moment, the battery liner plate was because holding of positioning strip acts on so that keep a narrow gap between PCB liner plate and the battery liner plate, this narrow gap is corresponding up and down with the loophole of described base plate, described push rod position so that the projection and depression stagger, the top tongue is positioned at by the spacing position of push rod, then battery is placed within the battery accommodating groove successively, spring-positioning device holds battery fits the limit, left side of itself and battery accommodating groove, promote after discharging push rod make the projection of locating piece and depression be positioned at can chimeric position to remove push rod to the restriction of locating piece, locating piece promotes battery and moves inward under the effect of spring, two elastic positioning devices effectively guarantee the accuracy of position so that battery remains on unique position location.
That is, at first then advance with block with some contact, the phenomenon such as more can guarantee can not block in the position fixing process.After battery is automatically located and finished baffle is put into the holding tank of PCB liner plate; the pad of baffle contacts with the lug applying under magnet adsorption; then cover plate is arranged on accordingly on the battery liner plate with the battery compacting the cooperating and the suction-operated of magnet of described cover plate and the same dependence alignment pin of being fixedly connected with of battery liner plate and locating hole.When welding, CCD can locate by the printing opacity at narrow gap place the position of lug, more can promote welding quality by the laser convergence effect on the cover plate simultaneously.
The above only is preferred embodiment of the present utility model; should be noted that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a battery laser welding clamp is characterized in that, comprise,
Base plate, it can be fixedly connected with jig and the center is provided with and is a plurality of loopholes two row layouts, that the interval arranges;
The PCB liner plate, it is fixedly installed on the base plate center separably, is provided with holding tank on it to allow baffle to be placed on it;
The battery liner plate, it is fixedly installed on PCB liner plate both sides on the base plate separably, is provided with a plurality of battery accommodating grooves at described battery liner plate, and described battery accommodating groove sidepiece and bottom are formed with respectively elastic positioning device;
Cover plate, it is fixedly installed on the battery liner plate separably;
Wherein said loophole, holding tank and battery accommodating groove be up and down corresponding setting all.
2. battery laser welding clamp as claimed in claim 1 is characterized in that, the assembly that described PCB liner plate and battery liner plate are integrally formed.
3. battery laser welding clamp as claimed in claim 1 or 2 is characterized in that, described being fixedly installed separably as fixing pin being set respectively with fixing hole and being provided with accordingly the magnet that can adsorb mutually on two parts.
4. battery laser welding clamp as claimed in claim 1 or 2 is characterized in that, at described PCB liner plate and battery pole ear corresponding position copper billet is installed.
5. battery laser welding clamp as claimed in claim 4 is characterized in that, is fixedly installed respectively magnet at copper billet and two lug corresponding positions of battery.
6. battery laser welding clamp as claimed in claim 1 or 2 is characterized in that, described elastic positioning device is fixedly installed on the elastomeric material of battery accommodating groove inner side edge.
7. battery laser welding clamp as claimed in claim 1 or 2, it is characterized in that, the elastic positioning device of described bottom is manual positioning device, described manual positioning positioner comprises the cavity (61) that is arranged on the side edge plate body of battery liner plate bottom, is provided with through hole between described cavity and battery accommodating groove; Be arranged in the cavity and its end can extend to from through hole the locating piece (62) of through hole inside; The spring (63) that is arranged on inside cavity and forces described locating piece end to be stretched out to battery accommodating groove inside, and two ends extend outside the plate body both sides and can interfere and drive the push rod (64) that described locating piece moves forward and backward with described locating piece, and with the cover plate (69) of described cavity (61) sealing.
8. battery laser welding clamp as claimed in claim 1 or 2, it is characterized in that, elastic positioning device described bottom and/or sidepiece is spring-positioning device, described spring-positioning device comprises the container cavity (51) that is formed on the battery accommodating groove sides adjacent plate body, and described container cavity and battery accommodating groove opposite side offer through hole; Be arranged on container cavity inside and the locating piece (52) of its leading section in through hole extends to the battery accommodating groove; Be arranged between locating piece (52) back and container cavity in order to holding described locating piece front end to the inner outstanding spring (53) of battery accommodating groove, and with the cover plate (54) of described container cavity upper opening sealing.
9. battery laser welding clamp as claimed in claim 1 or 2 is characterized in that, described cover plate inner side edge and lug corresponding position are formed with skewed slot.
10. battery laser welding clamp as claimed in claim 1 is characterized in that, described battery liner plate and PCB liner plate sides adjacent are formed with the wedge shape positioning strip outwardlyly, and described positioning strip is interrupted in one section formation corresponding with lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220287125 CN202701613U (en) | 2012-06-18 | 2012-06-18 | Laser welding clamp of battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220287125 CN202701613U (en) | 2012-06-18 | 2012-06-18 | Laser welding clamp of battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202701613U true CN202701613U (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220287125 Expired - Lifetime CN202701613U (en) | 2012-06-18 | 2012-06-18 | Laser welding clamp of battery |
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| Country | Link |
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| CN (1) | CN202701613U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104551394A (en) * | 2013-10-22 | 2015-04-29 | 昆山杰士德精密工业有限公司 | Full-automatic laser welding device for battery production |
| CN105834648A (en) * | 2016-05-18 | 2016-08-10 | 天津力神电池股份有限公司 | Welding locating device for safety protection components of lithium ion battery |
| CN106346151A (en) * | 2016-11-02 | 2017-01-25 | 辽宁中蓝电子科技有限公司 | VCM motor laser butt-welding fixture |
| CN106624361A (en) * | 2016-12-28 | 2017-05-10 | 远东福斯特新能源有限公司 | Laser welding tool for new energy resource power battery connecting piece |
| CN109396717A (en) * | 2018-11-02 | 2019-03-01 | 格力电器（武汉）有限公司 | The component welding tooling of remote controler |
| CN110355469A (en) * | 2019-07-26 | 2019-10-22 | 湖南大学 | A kind of the Nonopaque type welder and welding method of micro- spacing metal pin and core wire |
| CN110497128A (en) * | 2019-08-29 | 2019-11-26 | 大族激光科技产业集团股份有限公司 | A kind of key spring plate welding fixture |
| CN113333975A (en) * | 2021-08-09 | 2021-09-03 | 苏州润弘安创自动化科技有限公司 | Laser welding positioning tool |
| CN115863730A (en) * | 2021-09-27 | 2023-03-28 | 宁德时代新能源科技股份有限公司 | Clamp, method for clamping battery, heating system and battery heating and cold pressing method |
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2012
- 2012-06-18 CN CN 201220287125 patent/CN202701613U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104551394A (en) * | 2013-10-22 | 2015-04-29 | 昆山杰士德精密工业有限公司 | Full-automatic laser welding device for battery production |
| CN104551394B (en) * | 2013-10-22 | 2016-04-20 | 昆山杰士德精密工业有限公司 | Battery production Full-automatic laser welding equipment |
| CN105834648A (en) * | 2016-05-18 | 2016-08-10 | 天津力神电池股份有限公司 | Welding locating device for safety protection components of lithium ion battery |
| CN106346151A (en) * | 2016-11-02 | 2017-01-25 | 辽宁中蓝电子科技有限公司 | VCM motor laser butt-welding fixture |
| CN106624361A (en) * | 2016-12-28 | 2017-05-10 | 远东福斯特新能源有限公司 | Laser welding tool for new energy resource power battery connecting piece |
| CN109396717A (en) * | 2018-11-02 | 2019-03-01 | 格力电器（武汉）有限公司 | The component welding tooling of remote controler |
| CN110355469A (en) * | 2019-07-26 | 2019-10-22 | 湖南大学 | A kind of the Nonopaque type welder and welding method of micro- spacing metal pin and core wire |
| CN110497128A (en) * | 2019-08-29 | 2019-11-26 | 大族激光科技产业集团股份有限公司 | A kind of key spring plate welding fixture |
| CN110497128B (en) * | 2019-08-29 | 2021-01-22 | 大族激光科技产业集团股份有限公司 | Button shell fragment welding jig |
| CN113333975A (en) * | 2021-08-09 | 2021-09-03 | 苏州润弘安创自动化科技有限公司 | Laser welding positioning tool |
| CN113333975B (en) * | 2021-08-09 | 2021-12-03 | 苏州润弘安创自动化科技有限公司 | Laser welding positioning tool |
| CN115863730A (en) * | 2021-09-27 | 2023-03-28 | 宁德时代新能源科技股份有限公司 | Clamp, method for clamping battery, heating system and battery heating and cold pressing method |
| CN115863730B (en) * | 2021-09-27 | 2023-12-15 | 宁德时代新能源科技股份有限公司 | Clamp, method for clamping battery, heating system, battery heating and cold pressing method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20130130 |
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| CX01 | Expiry of patent term |