CN104390855B - Battery pole plates welding performance test fixture and method of testing - Google Patents

Battery pole plates welding performance test fixture and method of testing Download PDF

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Publication number
CN104390855B
CN104390855B CN201410765057.0A CN201410765057A CN104390855B CN 104390855 B CN104390855 B CN 104390855B CN 201410765057 A CN201410765057 A CN 201410765057A CN 104390855 B CN104390855 B CN 104390855B
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China
Prior art keywords
groove
pole plates
battery
battery pole
performance test
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CN201410765057.0A
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Chinese (zh)
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CN104390855A (en
Inventor
刘金良
高峰
张汝彬
陈蓓
张要枫
石琳琳
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Hebei Yinlong New Energy Co Ltd
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Hebei Yinlong New Energy Co Ltd
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Abstract

The invention discloses a kind of battery pole plates welding performance test fixture and method of testing, test fixture includes:Upper fixture component, upper fixture component includes:Tension plate;If dry tensile strength pawl, if dry tensile strength pawl can be arranged in the circumference of tension plate with moving radially along tension plate, and if dry tensile strength pawl can be inserted into the gap of battery pole plates and battery core;And upper connecting rod, upper connecting rod is fixed on tension plate;And lower clamp component, lower clamp component includes:Positioning seat, is provided with the first groove on positioning seat;Sliding block, sliding block is slidably disposed in the first groove side, and the second groove is provided with sliding block;Drive mechanism, drive mechanism is used to drive slide block movement;With lower pull bar, lower pull bar is fixed on positioning seat.Pole plate welding performance test fixture of the invention, can fixedly positioning to battery battery core, so as to ensure the problems such as battery core is not in slip, abjection when the welding pulling force to battery pole plates is tested, it is ensured that battery pole plates weld the testing precision of pulling force.

Description

Battery pole plates welding performance test fixture and method of testing
Technical field
The present invention relates to cell art, more particularly to a kind of battery pole plates welding performance test fixture and test side Method.
Background technology
The quality of pole plate and battery core welding performance decides whether battery short-circuit, whether firmly and battery internal resistance, because The pulling force of this test battery pole plates, can test out the quality of welding performance.
But, current battery pole plate welding performance test, be by workman take manually mode measure, due to not having Have special fixture battery battery core to be fixed positioning, therefore battery battery core is easily deviate from test process, battery core without Method is fixedly positioning, and workman can not accurately measure the size that nickel strap on battery battery core welds pulling force by manual type, and Manual type labour intensity is big, and operating efficiency is relatively low, considerably increases the overall production cost of battery.
The content of the invention
For above-mentioned state of the art, the technical problems to be solved by the invention are that there is provided a kind of weldering of battery pole plates Performance test fixture and method of testing are connect, it can fixedly positioning to battery battery core, so as to ensure to battery pole plates The problems such as battery core is not in slip, abjection when welding pulling force is tested, it is ensured that the test of battery pole plates welding pulling force is accurate Degree.
In order to solve the above-mentioned technical problem, a kind of battery pole plates welding performance test fixture provided by the present invention, including:
Upper fixture component, the upper fixture component includes:Tension plate, the tension plate can cover battery pole plates;It is some Pulling force pawl, some pulling force pawls can be arranged in the circumference of the tension plate with moving radially along tension plate, and some described Pulling force pawl can be inserted into the gap of battery pole plates and battery core;And upper connecting rod, the upper connecting rod is fixed on the tension plate;And
Lower clamp component, the lower clamp component includes:It is provided with positioning seat, the positioning seat for placing battery core First groove;Sliding block, the sliding block is slidably disposed in the first groove side, is provided with the sliding block and described The second relative groove of one groove;Drive mechanism, the drive mechanism is used to drive the sliding block to the first groove sidesway It is dynamic;With lower pull bar, the lower pull bar is fixed on the positioning seat.
Wherein in one embodiment, the tension plate is disk-like structure, and it includes disk top and disk along portion, the disk edge Circumferentially spaced in portion to be provided with some slots, some pulling force pawls are inserted in some slots respectively.
In wherein one embodiment, the pulling force pawl includes:Corpus unguis, the corpus unguis is radially arranged along the tension plate; And flange, the flange is arranged at the radially outer one end of the corpus unguis.
In wherein one embodiment, the width of the corpus unguis be radially therefrom outer one end to inner one end of its radial direction by Gradual change is small.
Wherein in one embodiment, concavo-convex knot is provided with the inwall of first groove and/or second groove Structure.
Wherein in one embodiment, the concaveconvex structure is spiral slot.
Wherein in one embodiment, the chute positioned at the first groove side, institute are additionally provided with the positioning seat Slider containment is stated in the chute.
Wherein in one embodiment, the drive mechanism includes:
Screwed hole, the screwed hole is arranged on the chute wall relative with first groove;With
Screw rod, the screw rod coordinates with the screwed hole.
In wherein one embodiment, knob is provided with the screw rod.
A kind of battery pole plates weldability using above-mentioned battery pole plates welding performance test fixture provided by the present invention Energy method of testing, comprises the following steps:
(1) tension plate is fixed on to the top of puller system;
(2) positioning seat is fixed on to the bottom of puller system;
(3) some pulling force pawls are injected the gap of pole plate and battery core;
(4) the decline button of forcing press is pressed, the position of the length of battery core 2/5~3/5 can be clamped by dropping to lower clamp component Put, make drive mechanism promote sliding block to clamp battery core to the first groove side shifting;And
(5) the rising button of forcing press is pressed, the pulling force for being read when pulling open pole plate and being shown on puller system is risen to.
Compared with prior art, battery pole plates welding performance test fixture of the invention and method of testing, it can be to electricity Pond battery core is fixedly positioning, so as to ensure when the welding pulling force to battery pole plates is tested battery core be not in slide, The problems such as abjection, it is ensured that battery pole plates weld the testing precision of pulling force, while being conducive to improving the operating efficiency tested, reduce The labour intensity of workman, and then the overall production cost of battery is reduced, the market application foreground of manufacturer's battery product is improved, It is of great practical significance.
Additional technical feature of the present invention, which has the advantage that, to be said in this specification embodiment part It is bright.
Brief description of the drawings
Fig. 1 be the embodiment of the present invention in battery pole plates welding performance test fixture upper fixture modular construction schematic diagram;
Fig. 2 is the tension plate structural representation of upper fixture component shown in Fig. 1;
Fig. 3 is the pulling force pawl structural representation of upper fixture component shown in Fig. 1;
Fig. 4 is the lower clamp modular construction schematic diagram of the battery pole plates welding performance test fixture in the embodiment of the present invention;
Fig. 5 is the positioning seat dimensional structure diagram of lower clamp component shown in Fig. 4;
Fig. 6 is the positioning seat main structure diagram of lower clamp component shown in Fig. 4;
Fig. 7 is the positioning seat overlooking the structure diagram of lower clamp component shown in Fig. 4;
Fig. 8 is the sliding block dimensional structure diagram of lower clamp component shown in Fig. 4;
Fig. 9 is the sliding block overlooking the structure diagram of lower clamp component shown in Fig. 4;
Figure 10 is the screw rod dimensional structure diagram of lower clamp component shown in Fig. 4;
Figure 11 be the embodiment of the present invention in battery pole plates welding performance test fixture use state figure.
Description of reference numerals:100th, upper fixture component;110th, tension plate;111st, disk top;112nd, Pan Yanbu;112a, insert Groove;120th, upper connecting rod;130th, pulling force pawl;131st, corpus unguis;132nd, flange;200th, lower clamp component;210th, positioning seat;211st, first Groove;212nd, chute;213rd, screwed hole;214th, spiral slot;220th, sliding block;221st, the second groove;222nd, spiral slot;230、 Screw rod;231st, knob;240th, lower pull bar;300th, battery core.
Specific embodiment
And the present invention is described in detail in conjunction with the embodiments below with reference to the accompanying drawings.It should be noted that not conflicting In the case of, the feature in following embodiment and embodiment can be mutually combined.
In the one of embodiment of the present invention, a kind of battery pole plates welding performance test fixture is improve, it includes folder Have component 100 and lower clamp component 200.
As Figure 1-3, if the upper fixture component 100 includes tension plate 110, dry tensile strength pawl 130 and upper connecting rod 120, The tension plate 110 can cover battery pole plates, and the tension plate 110 in the present embodiment is disk-like structure, and it includes disk top 111 With disk along portion 112, the disk is circumferentially spaced along in portion 112 to be provided with some slot 112a;Some pulling force pawls 130 It can be arranged at moving radially along tension plate 110 in the circumference of the tension plate 110, and some pulling force pawls 130 can be inserted into The gap of battery pole plates and battery core;Pulling force pawl 130 in the present embodiment includes corpus unguis 131 and flange 132, the corpus unguis 131 It is radially arranged along the tension plate 110, more preferably, it is inner to its radial direction that the width of the corpus unguis 131 is radially therefrom outer one end One end tapers into, increasing contact area.The flange 132 is arranged at the radially outer one end of the corpus unguis 131, is easy to Taking pulling force pawl 130.Upper connecting rod 120 is fixed on the tension plate 110, for being connected with puller system.Set on upper connecting rod 120 There is external screw thread.
As shown in figs. 4 through 10, the lower clamp component 200 includes positioning seat 210, sliding block 220, drive mechanism and lower pull bar 240, the first groove 211 for placing battery core is provided with the positioning seat 210;The sliding block 220 is slidably disposed in The side of first groove 211, is provided with second groove 221 relative with first groove 211 on the sliding block 220, the One groove 211 coordinates with the second groove 221, and battery core is clamped.Preferably, first groove 211 and/or second groove Concaveconvex structure is provided with 221 inwall.Concaveconvex structure in the present embodiment is spiral slot 214,222, spiral slot increase The mode that frictional force holds battery core tightly fixes battery core.More preferably, it is additionally provided with the positioning seat 210 positioned at first groove The chute 212 of 211 sides, the sliding block 220 is contained in the chute 212.The drive mechanism in the present embodiment includes Two screwed holes 213 and two screw rods 230, the screwed hole 213 are arranged at the chute 212 with the phase of the first groove 211 To wall on;Two screw rods 230 coordinate with the screwed hole 213 respectively, promote the sliding block 220 to first groove 211 side shiftings.The lower pull bar 240 is fixed on the positioning seat 210, for being connected with puller system.Set on upper connecting rod 120 There is external screw thread.
As shown in figure 11, using the battery pole plates weldability of the battery pole plates welding performance test fixture in above-described embodiment Energy method of testing, comprises the following steps:
(1) tension plate 110 is fixed on the top of puller system (not shown);
(2) positioning seat 210 is fixed on to the bottom of puller system;
(3) some pulling force pawls 130 are injected gap (the pulling force pawl 130 of pole plate (not shown) and battery core 300 Number can test as needed welding points be adjusted);
(4) the decline button of forcing press is pressed, dropping to lower clamp component 200, can to clamp battery core 3002/5~3/5 (excellent Elect the position of 1/2) length as, turn knob promotes sliding block 220 and then clamps battery core 300;And
(5) the rising button of forcing press is pressed, the pulling force for reading and being shown on puller system when pulling open pole plate is risen to, has tested Into.
The battery pole plates welding performance test fixture and method of testing of the embodiment of the present invention, it can be carried out to battery battery core It fixedly positioning, so as to ensure the problems such as battery core is not in slip, abjection when the welding pulling force to battery pole plates is tested, Ensure that battery pole plates weld the testing precision of pulling force, while being conducive to improving the operating efficiency tested, reduce the work of workman Intensity, and then the overall production cost of battery is reduced, the market application foreground of manufacturer's battery product is improved, with great Production practices meaning.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention Shield scope.

Claims (8)

1. a kind of battery pole plates welding performance test fixture, it is characterised in that including:
Upper fixture component (100), the upper fixture component (100) includes:Tension plate (110), the tension plate (110) can cover Firmly battery pole plates, the tension plate (110) is disk-like structure, and it includes disk top (111) and disk along portion (112), the disk edge It is circumferentially spaced in portion (112) to be provided with some slots (112a);If dry tensile strength pawl (130), some pulling force pawls (130) can be arranged at moving radially in the circumference of the tension plate (110) along tension plate (110), some pulling force pawls (130) in inserting some slots (112a) respectively, and some pulling force pawls (130) can be inserted into battery pole plates with battery core Gap, the pulling force pawl (130) includes:Corpus unguis (131), the corpus unguis (131) is radially arranged along the tension plate (110); With flange (132), the flange (132) is arranged at the radially outer one end of the corpus unguis (131);With upper connecting rod (120), it is described Upper connecting rod (120) is fixed on the tension plate (110);And
Lower clamp component (200), the lower clamp component (200) includes:Positioning seat (210), is set on the positioning seat (210) There is the first groove (211) for placing battery core;Sliding block (220), it is recessed that the sliding block (220) is slidably disposed in described first Second groove (221) relative with first groove (211) is provided with groove (211) side, the sliding block (220);Driving Mechanism, the drive mechanism is used to drive the sliding block (220) to the first groove (211) side shifting;With lower pull bar (240), the lower pull bar (240) is fixed on the positioning seat (210).
2. battery pole plates welding performance test fixture according to claim 1, it is characterised in that the corpus unguis (131) Width is radially therefrom outer one end tapering into the inner one end of its radial direction.
3. battery pole plates welding performance test fixture according to claim 1, it is characterised in that first groove (211) and/or on the inwall of second groove (221) it is provided with concaveconvex structure.
4. battery pole plates welding performance test fixture according to claim 3, it is characterised in that the concaveconvex structure is spiral shell Revolve shape groove.
5. battery pole plates welding performance test fixture according to claim 1, it is characterised in that the positioning seat (210) On be additionally provided with chute (212) positioned at the first groove (211) side, the sliding block (220) is contained in the chute (212) in.
6. battery pole plates welding performance test fixture according to claim 5, it is characterised in that the drive mechanism bag Include:
Screwed hole (213), the screwed hole (213) is arranged at the chute (212) wall relative with first groove (211) On;With
Screw rod (230), the screw rod (230) coordinates with the screwed hole (213).
7. battery pole plates welding performance test fixture according to claim 6, it is characterised in that on the screw rod (230) It is provided with knob.
8. a kind of battery of battery pole plates welding performance test fixture using as described in any one in claim 1 to 7 Pole plate welding performance method of testing, it is characterised in that comprise the following steps:
(1) tension plate (110) is fixed on to the top of puller system;
(2) positioning seat (210) is fixed on to the bottom of puller system;
(3) some pulling force pawls (130) are injected to the gap of pole plate and battery core;
(4) the decline button of forcing press is pressed, the position of the length of battery core 2/5~3/5 can be clamped by dropping to lower clamp component (200) Put, make drive mechanism promote sliding block (220) to clamp battery core to the first groove (211) side shifting;And
(5) the rising button of forcing press is pressed, the pulling force for being read when pulling open pole plate and being shown on puller system is risen to.
CN201410765057.0A 2014-12-12 2014-12-12 Battery pole plates welding performance test fixture and method of testing Active CN104390855B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410765057.0A CN104390855B (en) 2014-12-12 2014-12-12 Battery pole plates welding performance test fixture and method of testing

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Application Number Priority Date Filing Date Title
CN201410765057.0A CN104390855B (en) 2014-12-12 2014-12-12 Battery pole plates welding performance test fixture and method of testing

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CN104390855B true CN104390855B (en) 2017-07-11

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Publication number Priority date Publication date Assignee Title
CN108387448A (en) * 2018-02-11 2018-08-10 中航锂电(洛阳)有限公司 Battery welding tensile force testing method and battery welding tensile force testing tooling
CN109060457A (en) * 2018-08-09 2018-12-21 詹应博 A kind of coal mine coal-bed gas sample acquisitions device

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CN201149578Y (en) * 2007-09-25 2008-11-12 深圳市比克电池有限公司 Apparatus for detecting battery welding performance
CN101294947B (en) * 2008-05-30 2011-07-06 江苏大学 Test device and method for acquiring limit strain of laser tailor welded plate plane with different thickness
CN201903481U (en) * 2010-12-13 2011-07-20 天津力神电池股份有限公司 Fixture for test of battery cell welding tension
KR101275032B1 (en) * 2012-03-19 2013-06-17 교통안전공단 Drop testing apparatus for driven battery of automobile
CN203745300U (en) * 2014-04-04 2014-07-30 宁波市建工检测有限公司 Tensile strength testing fixture
CN104111194A (en) * 2014-06-20 2014-10-22 天津大学 Clamp for connecting fatigue testing machine and welding guide rail test piece

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