CN205520065U - Welding tool for friction stir welding - Google Patents
Welding tool for friction stir welding Download PDFInfo
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- CN205520065U CN205520065U CN201620309104.5U CN201620309104U CN205520065U CN 205520065 U CN205520065 U CN 205520065U CN 201620309104 U CN201620309104 U CN 201620309104U CN 205520065 U CN205520065 U CN 205520065U
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- friction stir
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- stir welding
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Abstract
The utility model relates to a welding frock technical field especially relates to a welding tool for friction stir welding, including be used for placing the battery module the base, with the base corresponds the last briquetting, the setting that set up and is in the first locating piece and the setting of base both sides are in the second locating piece at base both ends, first locating piece with the second locating piece sets up perpendicularly, the first actuating cylinder of driving is installed to first locating piece, just the welding groove has been seted up to first locating piece. Compared with the prior art, the utility model discloses simple structure is practical, the combination is quick, has satisfied the technological requirement of battery module assembly completely, and this frock assembly process space is very big moreover, is favorable to the battery module to put into position accuracy, convenient operation, simultaneously this frock is pressed from both sides when tight applying after foling, can guarantee completely that all faces of battery module are all fixed a position, has realized carrying out pinpointing and the clamping before the friction stir welding to battery module frame.
Description
Technical field
This utility model relates to welding tooling technical field, particularly relates to a kind of frock using agitating friction to weld lithium battery module frame.
Background technology
Lithium battery module is to be formed through connection in series-parallel by multiple cells, and in order to ensure the security reliability of battery, the battery modules of making needs the housing being made up of end plate and side plate be fixed it and protect.And the welding to battery modules housing, prior art is generally adopted by cold metal transfer solder technology (CMT), but uses CMT welding to have and pore easily occur, easily burn, need to fill silk and the defect such as welding requirements is harsh.Use agitating friction weldering (FSW) welding then can overcome drawbacks described above.Wherein, the welding implementation tool of agitating friction weldering is stirring-head, and stirring-head is divided into the shaft shoulder and mixing needle two parts, in agitating friction weldering welding process, stirring-head high speed rotating declines close to workpiece to be welded, and mixing needle high speed rotating penetrates position while welding, until shaft shoulder Contact welding seam surface.So use FSW welding can well realize pore-free, flawless, without burning, be not required to the effect that fills silk, and low to battery core matching requirements.
It is known that be required for using frock clamp to be fixed battery modules with spacing before agitating friction welds.But, current welding tool for friction stir welding fixture but cannot the assembly technology requirement of match battery module, it is primarily present following defect: lateral space is limited, be unfavorable for laying battery, easily cause colliding with of battery and injured surface insulator, can not realize positioning accurately and clamping, the insufficient rigidity of frock clamp simultaneously, the easy flue of battery modules produced.
In view of this, necessary redesign develops the welding tool for friction stir welding meeting battery modules assembly technology requirement.
Utility model content
The purpose of this utility model is: for the deficiency of existing frock clamp, and provide a kind of welding tool for friction stir welding meeting battery modules assembly technology requirement.This tool structure is simple and practical, be capable of Rapid Combination, be accurately positioned, and meets the requirement that battery modules is stirred friction welding (FW).
To achieve these goals, this utility model employing solution below:
A kind of welding tool for friction stir welding, the upper holder block being correspondingly arranged with described base including the base for placing battery module, the first locating piece being arranged on described base both sides and be arranged on second locating piece at described base two ends, described first locating piece is vertically arranged with described second locating piece, described first locating piece is provided with the first driving cylinder, and described first locating piece offers welding groove.
This utility model for using the location before agitating friction weldering welding and clamping to battery modules.The battery core of battery modules uses the mode of upside-down mounting to be placed on base, and upper holder block is for compressing and the upper plane of spacing battery modules；Second locating piece at base two ends is used for compressing and the end plate of self-contained battery module；On the one hand first locating piece of base both sides is used for compressing and the side plate of self-contained battery module, and drives cylinder to be accurately positioned by first；On the other hand the stirring-head that the welding groove that the first locating piece is offered can make agitating friction weld passes and realizes the welding to battery modules end plate and side plate.Therefore, this utility model is simple and practical, combination is quick, has fully met the technological requirement of battery modules assembling, and this frock assembling process space is very big, and beneficially battery modules puts into position accurately, convenient operation；This frock is when closing up after-applied clamping simultaneously, it is possible to all faces that battery modules is completely secured all position, it is achieved that being accurately positioned and clamping before battery modules housing is stirred friction welding (FW).
This welding tooling also includes the limited block being arranged at base both sides, and described limited block is for positioning end plate and the side plate of described battery modules, mainly locating end plate and the position in side plate vertical direction.
Wherein, the quantity of described first locating piece is set at least four, and described end plate is corresponding with described welding groove with the weld seam that described side plate is formed.The quantity of the first locating piece can adjust accordingly according to the total length of battery modules, it is traditionally arranged to be four, is respectively arranged at the end of base both sides, and its welding groove is corresponding with weld seam, the most both played the effect compressing side plate, and stirring-head can have been made again to insert welding groove and weld.
The width of described welding groove is more than the width of stirring-head, so that stirring-head can pass freely through, the height of described welding groove is more than the height of described weld seam, in order to realize the welding completely of butt welded seam.
Preferably, the shape of described first locating piece is in " L " font, and described first drives cylinder to be installed on the bottom of described first locating piece.Wherein, welding groove is opened in the middle part of " L " font locating piece, and locating piece edge needs reserved one fixed width to compress side plate.
Described upper holder block is provided with spring pressure head, and described spring pressure head is evenly distributed on the surface of described upper holder block.Wherein, the surface of upper holder block is provided with spring pressure head, both can ensure that the upper surface compressing battery core, and will not cross the deformation of ambassador's battery core due to pressure the most again.
Described upper holder block is connected with electric rotating machine by motion bar；Wherein, upper holder block size can be adjusted according to practical situation, and the width of upper holder block approximates the width of end plate, and the length of upper holder block is more than the length of side plate；Electric rotating machine controls rising or the decline of upper holder block by driving motion bar.
Described second locating piece includes that fixing end block and movable end block, described movable end block are provided with pressure transducer and second and drive cylinder.Wherein, fixing end block can play the effect of location；Movable end is packaged has the second driving cylinder can accurately control battery modules overall length, installs pressure transducer and can control pressure size, thus prevents the too small battery core caused of pressure from staying the battery core crimp that causes excessive with pressure.
Described base is set to location-plate or positioning strip, and described location-plate or positioning strip are isolation material.Owing to the battery core of module is for turning placement around, so location-plate or positioning strip must be non electrically conductive materials, to prevent positive and negative terminals short circuit from causing battery short circuit, simultaneously need to there is certain rigidity, the most optional ceramic material.
Preferably, the quantity of described positioning strip is set to two, and the spacing of two described positioning strips is equal to the spacing of battery plus-negative plate post.Wherein, two positioning strips are placed in parallel, and make the positive and negative terminals of inversion battery core just respectively fall on two positioning strips.So setting both can have been saved with material, can realize again battery core pole and contact well with bottom positioning strip.
The beneficial effects of the utility model are:
This utility model one welding tool for friction stir welding, the upper holder block being correspondingly arranged with described base including the base for placing battery module, the first locating piece being arranged on described base both sides and be arranged on second locating piece at described base two ends, described first locating piece is vertically arranged with described second locating piece, described first locating piece is provided with the first driving cylinder, and described first locating piece offers welding groove；Wherein, upper holder block is for compressing and the upper plane of spacing battery modules；Second locating piece at base two ends is used for compressing and the end plate of self-contained battery module；On the one hand first locating piece of base both sides is used for compressing and the side plate of self-contained battery module, and drives cylinder to be accurately positioned by first；On the other hand the stirring-head that the welding groove offered can make agitating friction weld passes and realizes the welding to battery modules end plate and side plate.Therefore, this utility model is simple and practical, combination is quick, has fully met the technological requirement of battery modules assembling, and this frock assembling process space is very big, and beneficially battery modules puts into position accurately, convenient operation；This frock is when closing up after-applied clamping simultaneously, it is possible to all faces that battery modules is completely secured all position, it is achieved that being accurately positioned and clamping before battery modules housing is stirred friction welding (FW).
Accompanying drawing explanation
Fig. 1 is one of structural representation of the present utility model.
Fig. 2 is the two of structural representation of the present utility model.
Fig. 3 is the structural representation of the first locating piece in this utility model.
In figure: 1-base；2-upper holder block；21-spring pressure head；3-the first locating piece；31-first drives cylinder；32-welding groove；4-the second locating piece；41-fixes end block；42-activity end block；421-second drives cylinder；422-pressure transducer；5-limited block；6-electric rotating machine；61-motion bar；7-stirring-head；8-battery modules；81-end plate；82-side plate.
Detailed description of the invention
Below in conjunction with detailed description of the invention and Figure of description, this utility model and beneficial effect thereof are described in further detail, but, detailed description of the invention of the present utility model is not limited thereto.
As shown in Fig. 1 ~ 3, a kind of welding tool for friction stir welding, the upper holder block 2 being correspondingly arranged with base 1 including the base 1 for placing battery module 8, the first locating piece 3 being arranged on base 1 both sides and be arranged on second locating piece 4 at base 1 two ends, first locating piece 3 is vertically arranged with the second locating piece 4, first locating piece 3 is provided with the first driving cylinder 31, and the first locating piece 3 offers welding groove 32；Also include the limited block 5 being arranged at base 1 both sides, the limited block 5 position on the end plate 81 and side plate 82, mainly locating end plate 81 and side plate 82 vertical direction of locating batteries module 8.Upper holder block 2 is provided with spring pressure head 21, and spring pressure head 21 is evenly distributed on the surface of upper holder block 2, and upper holder block 2 is connected with electric rotating machine 6 by motion bar 61；Wherein, the size of upper holder block 2 can be adjusted according to practical situation, and the width of upper holder block 2 approximates the width of end plate 81, and the length of upper holder block 2 is more than the length of side plate 82；The surface of upper holder block 2 is provided with spring pressure head 21, both can ensure that the upper surface compressing battery core, and will not cross the deformation of ambassador's battery core due to pressure the most again；Electric rotating machine 6 controls rising or the decline of upper holder block 2 by driving motion bar 61.Second locating piece 4 includes fixing end block 41 and movable end block 42, and movable end block 42 is provided with pressure transducer 422 and second and drives cylinder 421；Wherein, fixing end block 41 can play the effect of location；Movable end block 42 drives cylinder 421 can accurately control battery modules 8 overall length equipped with second, installs pressure transducer 422 and can control pressure size, thus prevents the too small battery core caused of pressure from staying the battery core crimp that causes excessive with pressure.
This utility model for using the location before agitating friction weldering welding and clamping to battery modules 8.The battery core of battery modules 8 uses the mode of upside-down mounting to be placed on base 1, and upper holder block 2 is for compressing and the upper plane of spacing battery modules 8；Second locating piece 4 at base 1 two ends is used for compressing the end plate 81 with self-contained battery module 8；First locating piece 3 one aspect of base 1 both sides is used for compressing the side plate 82 with self-contained battery module 8, and is accurately positioned by the first driving cylinder 31；On the other hand the stirring-head 7 that the welding groove 32 that the first locating piece 3 is offered can make agitating friction weld passes and realizes battery modules 8 end plate 81 and the welding of side plate 82.Therefore, this utility model is simple and practical, combination is quick, has fully met the technological requirement of battery modules 8 assembling, and this frock assembling process space is very big, and beneficially battery modules 8 puts into position accurately, convenient operation；This frock is when closing up after-applied clamping simultaneously, it is possible to all faces that battery modules 8 is completely secured all position, it is achieved that being accurately positioned and clamping before the end plate 81 of battery modules 8 and side plate 82 are stirred friction welding (FW).
Wherein, the quantity of the first locating piece 3 is set to four, and the weld seam that end plate 81 and side plate 82 are formed is corresponding with welding groove 32.The quantity of the first locating piece 3 can adjust accordingly according to the total length of battery modules 8, it is traditionally arranged to be four, it is respectively arranged at the end of base 1 both sides, and its welding groove 32 is corresponding with weld seam, the most both played the effect compressing side plate 82, and stirring-head 7 can have been made again to insert welding groove 32 and weld.
The width of welding groove 32 is more than the width of stirring-head 7, so that stirring-head 7 can pass freely through, the height of welding groove 32 is more than the height of weld seam, in order to realize end plate 81 and the welding completely of side plate 82.
Preferably, the shape of the first locating piece 3 is in " L " font, and first drives cylinder 31 to be installed on the bottom of the first locating piece 3.Wherein, welding groove 32 is opened in the middle part of " L " font locating piece, and locating piece edge needs reserved one fixed width to compress side plate 82.
Base 1 is set to location-plate or positioning strip, location-plate or positioning strip and is isolation material.Owing to the battery core of module is for turning placement around, so location-plate or positioning strip must be non electrically conductive materials, to prevent positive and negative terminals short circuit from causing battery short circuit, simultaneously need to there is certain rigidity, the most optional ceramic material.
Preferably, the quantity of positioning strip is set to two, and the spacing of two positioning strips is equal to the spacing of battery plus-negative plate post.Wherein, two positioning strips are placed in parallel, and make the positive and negative terminals of inversion battery core just respectively fall on two positioning strips.So setting both can have been saved with material, can realize again battery core pole and contact well with bottom positioning strip.
Operation principle of the present utility model is as follows: first the end plate 81 of battery modules 8 is placed in fixing end block 41 side, and is positioned by fixing end block 41；Then module battery core being inverted makes positive and negative terminals be directed downward, and is placed on the base 1 of insulation；Then side plate 82 is placed, and with limited block 5 locating end plate 81 and the position of side plate 82 vertical direction；Then the first driving cylinder 31 of base 1 both sides moves forward simultaneously, promotes the first locating piece 3 to compress side plate 82；Then second driving cylinder 421 to move forward, promotion activity end block 42 compresses another end plate 81, and second drives cylinder 421 to detect displacement ensures module overall length, and pressure transducer 422 detects thrust and ensures that pressure is suitable；Electric rotating machine 6 rotates, and drives upper holder block 2 to move downwards by motion bar 61 until the upper surface of battery is inverted in spring pressure head 21 contact, and makes battery modules 8 upper and lower surface stress equalization；Stirring-head 7, through welding groove 32, utilizes frictional heat to realize the Solid-phase welding of end plate 81 and side plate 82；Last stirring-head 7 exits, and electric rotating machine 6 and cylinder unclamp simultaneously, it is achieved a welding interval.
It should be noted that above-mentioned location and clamping process can be with manual operations, it is also possible to realize full-automatic operation by mechanical hand.
The announcement of book and teaching according to the above description, above-mentioned embodiment can also be changed and revise by this utility model those skilled in the art.Therefore, this utility model is not limited to above-mentioned detailed description of the invention, and any conspicuously improved, replacement or modification that every those skilled in the art are done on the basis of this utility model belong to protection domain of the present utility model.Although additionally, employ some specific terms in this specification, but these terms are merely for convenience of description, this utility model is not constituted any restriction.
Claims (10)
1. a welding tool for friction stir welding, it is characterized in that: include the upper holder block being correspondingly arranged with described base for the base of placing battery module, the first locating piece being arranged on described base both sides and be arranged on second locating piece at described base two ends, described first locating piece is vertically arranged with described second locating piece, described first locating piece is provided with the first driving cylinder, and described first locating piece offers welding groove.
A kind of welding tool for friction stir welding the most according to claim 1, it is characterised in that: also including the limited block being arranged at base both sides, described limited block is for positioning end plate and the side plate of described battery modules.
A kind of welding tool for friction stir welding the most according to claim 2, it is characterised in that: the quantity of described first locating piece is set at least four, and described end plate is corresponding with described welding groove with the weld seam that described side plate is formed.
A kind of welding tool for friction stir welding the most according to claim 3, it is characterised in that: the width of described welding groove is more than the width of stirring-head, and the height of described welding groove is more than the height of described weld seam.
A kind of welding tool for friction stir welding the most according to claim 1, it is characterised in that: the shape of described first locating piece is in " L " font, and described first drives cylinder to be installed on the bottom of described first locating piece.
A kind of welding tool for friction stir welding the most according to claim 1, it is characterised in that: described upper holder block is provided with spring pressure head, and described spring pressure head is evenly distributed on the surface of described upper holder block.
A kind of welding tool for friction stir welding the most according to claim 6, it is characterised in that: described upper holder block is connected with electric rotating machine by motion bar.
A kind of welding tool for friction stir welding the most according to claim 1, it is characterised in that: described second locating piece includes that fixing end block and movable end block, described movable end block are provided with pressure transducer and second and drive cylinder.
A kind of welding tool for friction stir welding the most according to claim 1, it is characterised in that: described base is set to location-plate or positioning strip, and described location-plate or positioning strip are isolation material.
A kind of welding tool for friction stir welding the most according to claim 9, it is characterised in that: the quantity of described positioning strip is set to two, and the spacing of two described positioning strips is equal to the spacing of battery plus-negative plate post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620309104.5U CN205520065U (en) | 2016-04-14 | 2016-04-14 | Welding tool for friction stir welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620309104.5U CN205520065U (en) | 2016-04-14 | 2016-04-14 | Welding tool for friction stir welding |
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| Publication Number | Publication Date |
|---|---|
| CN205520065U true CN205520065U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620309104.5U Active CN205520065U (en) | 2016-04-14 | 2016-04-14 | Welding tool for friction stir welding |
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| CN (1) | CN205520065U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907464A (en) * | 2018-08-28 | 2018-11-30 | 东莞仕群智能科技有限公司 | A kind of high-accuracy self-adaptation battery modules welding fixture |
| CN109317812A (en) * | 2018-12-05 | 2019-02-12 | 上海骄成机电设备有限公司 | A kind of ultrasonic bonding auxiliary body |
| CN112122815A (en) * | 2020-09-30 | 2020-12-25 | 江苏逸飞激光设备有限公司 | Welding system and module side plate welding method |
-
2016
- 2016-04-14 CN CN201620309104.5U patent/CN205520065U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907464A (en) * | 2018-08-28 | 2018-11-30 | 东莞仕群智能科技有限公司 | A kind of high-accuracy self-adaptation battery modules welding fixture |
| CN109317812A (en) * | 2018-12-05 | 2019-02-12 | 上海骄成机电设备有限公司 | A kind of ultrasonic bonding auxiliary body |
| CN112122815A (en) * | 2020-09-30 | 2020-12-25 | 江苏逸飞激光设备有限公司 | Welding system and module side plate welding method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |