CN201002181Y - Welding clamp for rectangular cell - Google Patents
Welding clamp for rectangular cell Download PDFInfo
- Publication number
- CN201002181Y CN201002181Y CNU2006201664621U CN200620166462U CN201002181Y CN 201002181 Y CN201002181 Y CN 201002181Y CN U2006201664621 U CNU2006201664621 U CN U2006201664621U CN 200620166462 U CN200620166462 U CN 200620166462U CN 201002181 Y CN201002181 Y CN 201002181Y
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- CN
- China
- Prior art keywords
- push rod
- cam
- support frame
- guide
- battery
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- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a welding clamper for a square cell, which is used for the accurate and firm positioning of the square cell during the casing welding, and for fully guaranteeing the welding intensity and sealing performance of the cell. The welding clamper of the square cell comprises a braced frame, a push rod, a guide bar and a cam, wherein, the braced frame is provided with an upper, a lower, a left and a right side edge, by which a space is enclosed, and the opposed side edges are parallel with each other. The push rod, which is parallel with the upper and lower side edges, is arranged in the braced frame, and the both ends of the push rod can be respectively arranged on the left and right side edges of the braced frame, and can be slipped up and down. A guide hole is vertically arranged in the push rod. An end of the guide bar is provided onto the upper or the lower side edge of the braced frame, while the other end of the guide bar is inserted into the guide hole. The cam, of which the surface is slide contacted with the upper surface of the push rod, is rotationally hinged in the middle of the upper sided edge of the braced frame. The push rod can be driven downward by rotating the cam, so that the cell can be accurately and firmly positioned.
Description
Technical field
The utility model relates to the battery clamp that uses in the battery welding process, be specifically related to a kind of weld jig of rectangular cell.
Background technology
Along with the raising of society to environmental requirement, safe, pollution-free and lithium ion battery that capacity is high becomes the desirable energy of new generation at present.It is widely used in fields such as mobile phone, PDA, EV, HEV.General lithium ion battery comprises the pole piece of being made up of positive/negative plate and barrier film, is used to encapsulate the battery case of pole piece, and annotates the electrolyte in shell.For the shell of compact battery, because volume is less, shell and bottom can be drawn into integrative-structure with shell in the shell forming process, when the encapsulation pole piece, only need welded cover plate just passable.But in big capacity and in powerful casing of lithium ion battery because its volume is bigger, shell need link together through welding sequence with bottom.
In the prior art, the welding of shell and bottom and shell and cover plate is finished by laser-beam welding machine usually in the battery.Laser-beam welding machine is to use high energy pulse laser object is welded, and the high-energy of laser pulse, high density can make that welding is smooth, weld width is little and the heat affected area is little, can finish the precision welding that traditional handicraft can't realize.Laser weld efficient height, effective, simple to operation is applicable to the welding of plane and straight line, circular arc and any track of various materials in addition.Therefore laser weld is widely used in the welding production of steel/aluminum-shell battery shell and cover plate and base plate.By laser-beam welding machine battery case and bottom and shell and cover plate are welded and to be documented in the many pieces of patent documentations, for example, CN2573143 Y, CN 2614834 Y, CN 2614835 Y or the like.
Yet, because the shell wall thickness of steel/aluminum-shell battery is often very little, if deviation is arranged in laser weld slightly, will cause the not enough or sealing property of weld strength to be affected, cause safety problems such as battery leakage, so in order to guarantee the intensity and the sealing property of battery welding, objectively the positioning accuracy to the fixture for laser welding of self-contained battery shell has proposed high requirement.
The utility model content
The purpose of this utility model provides a kind of weld jig of rectangular cell, be used for when the shell of square shaped battery welds with battery accurately, location securely, with the weld strength and the sealing property of abundant assurance battery.
The weld jig of rectangular cell provided by the utility model comprises support frame, push rod, pair of guide rods and cam, and wherein: support frame has four sides up and down, and these four sides surround a space, and opposed side edges is parallel to each other; Side was arranged in the support frame about push rod was parallel to, and the two ends of push rod can slide up and down to respectively be arranged on the left and right sides side of support frame, have vertically disposed guide hole in the push rod; One end of guide rod is fixed on the upper side edge or lower side of support frame, and the other end is inserted in the described guide hole; Cam is hinged on the centre position of the upper side edge of support frame rotationally, and the cam surface of cam contacts slidably with the upper surface of push rod.
When the welding battery case, at first battery is placed in the space of support frame, then by cam is rotated with respect to the upper side edge of support frame, cam surface driving push rod by cam moves vertically downward, thereby by push rod battery is firmly fixed, so that carry out accurate laser weld.When rotating cam, cam surface is along the upper surface slide of push rod, when the axle far away of cam surface is put on the upper surface that slides into push rod, cam is locked, push rod moves down maximum distance, thereby battery firmly and stably is pressed in the support frame, and promptly battery is fixed between the lower side and push rod of support frame.
Therefore, by the technical solution of the utility model, can be easily when the shell of square shaped battery welds with battery accurately, location securely, thereby can fully guarantee the weld strength and the sealing property of battery.
Description of drawings
Fig. 1 is the stereogram of the exemplary embodiment of direction battery welding clamp of the present utility model;
Fig. 2 is the structure chart of support frame among Fig. 1;
Fig. 3 is the exploded perspective view of Fig. 1 cam and cam pillar;
Fig. 4 is the work schematic diagram of Fig. 1 cam.
Description of drawings
Describe the utility model with reference to the accompanying drawings in detail.
As shown in Figure 1, according to a kind of exemplary embodiment of the present utility model, a kind of weld jig of rectangular cell is provided, these anchor clamps comprise support frame 1, push rod 3, pair of guide rods 4 and cam 6, wherein: support frame 1 has four sides 11,12,13,14 up and down, these four sides surround a space, and opposed side edges 11 and 12 and 13 and 14 parallel to each other; Side 11 and 12 was arranged in the support frame 1 about push rod 3 was parallel to, and the two ends of push rod 3 can slide up and down to respectively be arranged on the left and right sides side 13,14 of support frame 1, have vertically disposed guide hole 31 in the push rod 3; One end of guide rod 4 is fixed on the upper side edge 11 or lower side 12 of support frame 1, and the other end is inserted in the described guide hole 31; Cam 6 is hinged on the centre position of the upper side edge 11 of support frame 1 rotationally, and the cam surface 61 of cam 6 contacts slidably with the upper surface of push rod 3.
As an example, as shown in Figure 1, can simultaneously two batteries 2 be placed in the space of support frame 1, battery case is carried out laser weld.But the utility model is not limited thereto.Those skilled in the art understand easily, by simple modification of dimension is carried out in the space in support frame 1 or the support frame 1, can be with a battery, perhaps three or more batteries are placed in the space of support frame simultaneously, so that battery case is carried out laser weld.
In the time of in the space that two batteries is placed into simultaneously support frame 1 shown in Figure 1, preferably can a boss 7 (detailed icon is seen Fig. 2) be set in the centre position of the inboard of the lower side 12 of support frame 1.By this boss 7, when being placed into two batteries 2 and battery bottom to be welded or cover plate in the space, can accurately locate this two batteries and battery bottom or cover plate with this boss 7 as benchmark.When needs welding battery case and bottom or battery case and cover plate, bottom or cover plate are placed on the both sides of boss 7, then battery 2 is placed on bottom or the cover plate, accurately the location.Preferably, the height of described boss 7 is slightly less than the thickness of bottom or cover plate.If boss 7 is concordant with bottom or cover plate, perhaps even be higher than bottom or cover plate, then, might occurs exploding fiery phenomenon, thereby have potential safety hazard the time through boss when laser with bottom or cover plate contact position.
In addition; those skilled in the art are to be understood that; the layout of above-mentioned boss 7 only is a kind of preferred embodiment, can carry out adaptability revision to the layout of boss 7 according to the factors such as quantity of the battery of placing in the support frame 12 within protection domain of the present utility model.For example, in a support frame 1, place under the situation of three or more batteries 2, then can between adjacent per two batteries 2, a boss 7 be set, thereby can accurately locate each the battery bottom or cover plate that need weld.
As depicted in figs. 1 and 2, for push rod 3 can be moved in support frame 1 vertically, can on the left and right sides of support frame 1 side 13 and 14, guide groove 15 and 16 be set, the two ends, the left and right sides of push rod 3 be separately positioned in guide groove 15 and 16, thereby can move up and down along guide groove 15 and 16.Thus, can realize that push rod 3 moves with respect to the vertical of support frame 1.It will be appreciated by those skilled in the art that this structure only is a kind of embodiment of the present utility model, but the utility model is not limited to this specific structure.By other structure of the prior art, can realize push rod 3 moving vertically in support frame 1 equally.For example, the left and right sides side 13 of support frame 1 and a whole or part of 14 can be made guide rail or guide pillar, and guide groove or the guide ring correspondingly the two ends of push rod 3 being arranged to cooperate with it; Perhaps the left and right sides side 13 of support frame 1 and whole or a part of inner surface of 14 are arranged to specific shape such as inverted T-shaped, the shape that the two ends of push rod 3 are arranged to match simultaneously, or the like, can both realize that push rod 3 moves with respect to vertical (promptly) of support frame 1.
The effect of guide rod 4 is in order to guide push rod 3 to move up and down in support frame 1.The shape of guide rod 4 can be cylindrical, square, triangle or the like, is preferably cylindrical.The shape of the guide hole 31 in the described push rod 3 is consistent with guide rod 4, cooperatively interacts.
As depicted in figs. 1 and 2, as a kind of preferred embodiment, described guide rod 4 comprises that an end is fixed on the pair of guide rods of the left and right sides of the upper side edge 11 of support frame 1, and 31 of the guide holes in the described push rod 3 comprise and the corresponding a pair of guide hole of this pair of guide rods.The lower end of pair of guide rods 4 is inserted into respectively in a pair of guide hole 31, so that guiding push rod 3 moving up and down in support frame 1.
The structure that it will be appreciated by those skilled in the art that above-mentioned guide rod 4 only is a kind of preferred embodiment, can carry out various modifications to guide rod 4 within protection domain of the present utility model.For example, as a kind of example, guide rod 4 can be arranged between the lower side 12 of push rod 3 and support frame 1, and be positioned at the centre position of left and right directions.Perhaps, in a support frame 1, place under the situation of three or more batteries 2, then can also between adjacent per two batteries 2, a guide rod 4 be set.Therefore, the utility model is not particularly limited the concrete structure and the set-up mode of guide rod 4, as long as guide rod 4 can be realized the purpose that guides push rod 3 to move both vertically with respect to support frame 1.
As shown in Figure 1 and Figure 4, when described cam 6 rotated, described cam 6 can rotate along the width of push rod 3, promptly along rotating perpendicular to paper direction among Fig. 1.In addition, described cam 6 also can rotate along the length direction of push rod 3, and promptly the left and right directions of the paper in Fig. 1 rotates, and this can realize purposes that push rod 3 is promoted equally downwards.
Cam 6 is hinged on the support frame 1 so that can rotate with respect to support frame 1, and hinged mode can be a various known way well known to those skilled in the art.For example, the most simply, pass the upper side edge of cam 6 and support frame 1 by a bearing pin and can realize.
Because it is thinner that the integral thickness of support frame 1 can be done, for example the thickness with rectangular cell 2 is identical basically, perhaps even less than the thickness of direction battery 2, therefore the upper side edge that directly passes support frame 1 by bearing pin comes hinged cam 6 may reduce the bulk strength of support frame 1.Therefore, as shown in the figure, can also provide a cam pillar 5 for cam 6, be fixed with or be formed with a hinge 51 on this cam pillar 5,5 on cam pillar can be fixed on the upper side edge 11 of support frame 1 by welding or mode such as be threaded, and then cam 6 is hinged on the cam pillar 5 rotationally by hinge 51.Thus, can realize rotatable hinged between cam 6 and the support frame 1 simply.
The course of work to the weld jig of rectangular cell of the present utility model is described below.
At first support frame 1 is placed on the plane, for example on the table plane, then needs are welded to the parallel inner surface that is closely attached on the lower side 12 of support frame 1 of battery cover board on the battery case or battery bottom and place, and the boss 7 of lower side 12 inboards by being fixed in carriage 1 is located.Then, two rectangular cells 2 are put into the space of support frame 1, make battery case be close to the left and right sides side 13 of support frame 1 and 14 inboard, and the base of battery case accurately is positioned battery cover board or battery floor covers.
After accurately being placed into battery 2 and battery cover board or battery bottom in the support frame 1, stir cam 6, cam 6 is rotated.
As shown in Figure 4, solid line is the state before cam 6 rotates, and the minor axis point A on the cam surface 61 and the upper surface of push rod 3 contact at this moment, and this moment, battery 2 was not fastening by cam 6.When a direction when rotation of cam 6 in figure, push rod 3 is passed downwards along Y direction.When the upper surface of axle point B far away on the cam surface 61 and push rod 3 contacts, shown in the dotted line among Fig. 4, reached the maximum downstream distance of eccentric ultimate range and push rod 3, also reached the maximum friction between the upper surface of the cam surface 61 of cam 6 and push rod 3 this moment, thereby cam 6 can locked firmly push rod 3, and push rod 3 also can fastening firmly battery container and cover plate or bottom.At this moment, cam 6 gives the depression distance X of push rod 3 thickness greater than battery cover board or bottom, when welding battery container is contacted closely with cover plate or bottom like this, is unlikely producing the rosin joint phenomenon.
Then, the weld jig integral body of the rectangular cell of the present utility model of the good battery 2 of above-mentioned clamping and cover plate or bottom is placed on the welding base platform of laser welder, just can begin welding operation with fixtures such as cylinders after fixing, the shell of battery 2 and cover plate or shell and bottom are welded.
In the utility model, because of cam 6 is according to eccentric principle design, so can press down push rod 3 as long as stir cam 6 gently, make the right and left of battery cover board or base plate bear uniform pressure, and, by shape to the cam surface 61 of cam 6, and between the lower side 12 of push rod 3 and support frame 1 the distance etc. design, can can fully guarantee the tight contact between battery case and cover plate or the bottom so that reach at utmost and cam 6 when locked at the Bottom Runby of push rod 3.Simultaneously, owing to have boss 7, can well locate battery cover board or bottom at the mid portion of the inboard of the lower side 12 of support frame 1.In implementing welding process, just can effectively prevent the dislocation of battery case and cover plate or bottom, avoid battery problems such as sealing-off and leakage to occur, improved the sealing property and the weld strength of battery.
Claims (8)
1, a kind of weld jig of rectangular cell is characterized in that, these anchor clamps comprise support frame (1), push rod (3), guide rod (4) and cam (6), wherein:
Support frame (1) has four sides (11,12,13,14) up and down, and these four sides surround a space, and opposed side edges is parallel to each other;
Side (11,12) was arranged in the support frame (1) about push rod (3) was parallel to, and the two ends of push rod (3) can slide up and down to respectively be arranged on the left and right sides side (13,14) of support frame (1), have vertically disposed guide hole (31) in the push rod (3);
One end of guide rod (4) is fixed on the upper side edge (11) or lower side (12) of support frame (1), and the other end is inserted in the described guide hole (31);
Cam (6) is hinged on the centre position of the upper side edge (11) of support frame (1) rotationally, and the cam surface (61) of cam (6) contacts slidably with the upper surface of push rod (3).
2, weld jig according to claim 1 is characterized in that, these anchor clamps also comprise boss (7), and this boss (7) is fixed on the center of inboard of the lower side (12) of support frame (1).
3, weld jig according to claim 1, it is characterized in that, have guide groove (15,16) on the left and right sides side (13,14) of support frame (1), the two ends, the left and right sides of described push rod (3) are separately positioned in the guide groove (15,16), can move up and down along guide groove (15,16).
4, weld jig according to claim 1, it is characterized in that, described guide rod (4) comprises that an end is fixed on the pair of guide rods of the left and right sides of the upper side edge of support frame (1) (11), and the guide hole (31) in the described push rod (3) comprises and the corresponding a pair of guide hole of this pair of guide rods.
5, weld jig according to claim 1 is characterized in that, described cam (6) can rotate along the width of push rod (3).
6, weld jig according to claim 1 is characterized in that, described cam (6) can rotate along the length direction of push rod (3).
7, according to claim 1 or 5 or 6 described weld jigs, it is characterized in that, these anchor clamps also comprise cam pillar (5) and are fixed on hinge (51) on the cam pillar (5), cam pillar (5) is fixed on the upper side edge (11) of support frame (1), and cam (6) is hinged on the cam pillar (5) rotationally by hinge (51).
8, weld jig according to claim 1 is characterized in that, described support frame (1) is an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201664621U CN201002181Y (en) | 2006-12-26 | 2006-12-26 | Welding clamp for rectangular cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201664621U CN201002181Y (en) | 2006-12-26 | 2006-12-26 | Welding clamp for rectangular cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201002181Y true CN201002181Y (en) | 2008-01-09 |
Family
ID=39037724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201664621U Expired - Fee Related CN201002181Y (en) | 2006-12-26 | 2006-12-26 | Welding clamp for rectangular cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201002181Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101618493B (en) * | 2009-07-24 | 2011-11-16 | 苏州宝馨科技实业股份有限公司 | Method for assembling pedestal body of overhead cell support of hybrid vehicle and clamp thereof |
| CN101618490B (en) * | 2009-07-24 | 2011-12-21 | 苏州宝馨科技实业股份有限公司 | Method for assembling overhead cell support of hybrid vehicle and clamp thereof |
| CN107414296A (en) * | 2017-08-18 | 2017-12-01 | 徐平 | A kind of scanning laser welding jigs and fixtures of dynamic battery box high-efficiency and precision manufacture |
-
2006
- 2006-12-26 CN CNU2006201664621U patent/CN201002181Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101618493B (en) * | 2009-07-24 | 2011-11-16 | 苏州宝馨科技实业股份有限公司 | Method for assembling pedestal body of overhead cell support of hybrid vehicle and clamp thereof |
| CN101618490B (en) * | 2009-07-24 | 2011-12-21 | 苏州宝馨科技实业股份有限公司 | Method for assembling overhead cell support of hybrid vehicle and clamp thereof |
| CN107414296A (en) * | 2017-08-18 | 2017-12-01 | 徐平 | A kind of scanning laser welding jigs and fixtures of dynamic battery box high-efficiency and precision manufacture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080109 Termination date: 20151226 |
|
| EXPY | Termination of patent right or utility model |