CN104390855A - Battery plate welding performance test clamp and test method - Google Patents
Battery plate welding performance test clamp and test method Download PDFInfo
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- CN104390855A CN104390855A CN201410765057.0A CN201410765057A CN104390855A CN 104390855 A CN104390855 A CN 104390855A CN 201410765057 A CN201410765057 A CN 201410765057A CN 104390855 A CN104390855 A CN 104390855A
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Abstract
The invention discloses a battery plate welding performance test clamp and a test method. The test clamp comprises an upper clamp assembly and a lower clamp assembly, wherein the upper clamp assembly comprises a tension plate, a plurality of tension pawls which can be movably arranged on the circumference of the tension plate in the radial direction of the tension plate and can be inserted into a gap between a battery plate and a battery core, and an upper pull rod fixed to the tension plate; the lower clamp assembly comprises a positioning seat in which a first groove is formed, a slide block which is slidably arranged on one side of the first groove and in which a second groove is formed, a drive mechanism used for driving the slide block to move, and a lower pull rod fixed to the positioning seat. According to the test clamp, the battery core can be firmly positioned, so that the problems of slip, separation and the like of the battery core during welding tension test of the battery plate are guaranteed not to be caused and the test accuracy of the welding tension of the battery plate is ensured.
Description
Technical field
The present invention relates to cell art, particularly relate to a kind of battery pole plates welding performance test fixture and method of testing.
Background technology
The quality of pole plate and battery core welding performance decides battery whether short circuit, whether firmly and the internal resistance of battery, the therefore pulling force of test battery pole plate, can test out the quality of welding performance.
But, current battery pole plate welding performance is tested, take mode manually to measure by workman, owing to not having special fixture to be fixed location to battery battery core, therefore battery battery core is easily deviate from test process, and battery core cannot fixedly positioning, workman cannot measure the size of nickel strap welding pulling force on battery battery core accurately by manual type, and manual type labour intensity is large, and work efficiency is lower, considerably increases the integral production cost of battery.
Summary of the invention
For above-mentioned prior art present situation, technical matters to be solved by this invention is, a kind of battery pole plates welding performance test fixture and method of testing are provided, it can fixedly positioning battery battery core, thus ensure the problems such as battery core there will not be slip, deviate from when testing the welding pulling force of battery pole plates, ensure the testing precision of battery pole plates welding pulling force.
In order to solve the problems of the technologies described above, a kind of battery pole plates welding performance test fixture provided by the present invention, comprising:
Upper clamp assembly, described upper clamp assembly comprises: tension plate, and described tension plate can cover battery pole plates; Some pulling force pawls, some described pulling force pawls can be arranged in the circumference of described tension plate along tension plate with moving radially, and some described pulling force pawls can insert the gap of battery pole plates and battery core; And upper connecting rod, described upper connecting rod is fixed on described tension plate; And
Lower clamp assembly, described lower clamp assembly comprises: positioning seat, described positioning seat is provided with the first groove for placing battery core; Slide block, described slide block is slidably disposed in described first groove side, described slide block is provided with second groove relative with described first groove; Driving mechanism, described driving mechanism moves to described first groove side for driving described slide block; And lower link, described lower link is fixed on described positioning seat.
Wherein in an embodiment, described tension plate is disk-like structure, and it comprises dish top and rim portion, and portion is along the circumferential direction arranged at intervals with some slots in described rim, and some described pulling force pawls insert in some described slots respectively.
Wherein in an embodiment, described pulling force pawl comprises: corpus unguis, and described corpus unguis is arranged along described tension plate radial direction; And flange, described flange is arranged at the radial outer one end of described corpus unguis.
Wherein in an embodiment, the width of described corpus unguis is from its radial outer one end diminishing gradually to its radial inner one end.
Wherein in an embodiment, the inwall of described first groove and/or described second groove is provided with concaveconvex structure.
Wherein in an embodiment, described concaveconvex structure is spiral slot.
Wherein in an embodiment, described positioning seat is also provided with the chute being positioned at described first groove side, described slider containment is in described chute.
Wherein in an embodiment, described driving mechanism comprises:
Threaded hole, described threaded hole is arranged on the described chute wall relative with described first groove; With
Screw rod, described screw rod coordinates with described threaded hole.
Wherein in an embodiment, described screw rod is provided with knob.
A kind of battery pole plates welding performance method of testing using above-mentioned battery pole plates welding performance test fixture provided by the present invention, comprises the following steps:
(1) described tension plate is fixed on the top of puller system;
(2) described positioning seat is fixed on the bottom of puller system;
(3) some described pulling force pawls are injected the gap of pole plate and battery core;
(4) press the decline button of pressing machine, drop to the position that lower clamp assembly can clamp battery core 2/5 ~ 3/5 length, make driving mechanism promote slide block and move clamping battery core to described first groove side; And
(5) press the raise button of pressing machine, rise to the pulling force reading when pulling open pole plate and puller system shows.
Compared with prior art, battery pole plates welding performance test fixture of the present invention and method of testing, it can fixedly positioning battery battery core, thus ensure the problems such as battery core there will not be slip, deviate from when testing the welding pulling force of battery pole plates, ensure the testing precision of battery pole plates welding pulling force, be conducive to the work efficiency improving test simultaneously, reduce the labour intensity of workman, and then reduce the integral production cost of battery, improve the market application foreground of manufacturer's battery product, be of great practical significance.
The beneficial effect that additional technical feature of the present invention has will be described in this instructions embodiment part.
Accompanying drawing explanation
Fig. 1 is the upper clamp assembly structural representation of the battery pole plates welding performance test fixture in the embodiment of the present invention;
Fig. 2 is the tension plate structural representation of clamp assembly upper shown in Fig. 1;
Fig. 3 is the pulling force pawl structural representation of clamp assembly upper 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 perspective view of the assembly of lower clamp shown in Fig. 4;
The main TV structure schematic diagram of positioning seat that Fig. 6 is the assembly of lower clamp shown in Fig. 4;
The positioning seat plan structure schematic diagram that Fig. 7 is the assembly of lower clamp shown in Fig. 4;
Fig. 8 is the slide block perspective view of the assembly of lower clamp shown in Fig. 4;
The slide block plan structure schematic diagram that Fig. 9 is the assembly of lower clamp shown in Fig. 4;
Figure 10 is the screw rod perspective view of the assembly of lower clamp shown in Fig. 4;
Figure 11 is the using state figure of the battery pole plates welding performance test fixture in the embodiment of the present invention.
Description of reference numerals: 100, upper clamp assembly; 110, tension plate; 111, top is coiled; 112, rim portion; 112a, slot; 120, upper connecting rod; 130, pulling force pawl; 131, corpus unguis; 132, flange; 200, lower clamp assembly; 210, positioning seat; 211, the first groove; 212, chute; 213, threaded hole; 214, spiral slot; 220, slide block; 221, the second groove; 222, spiral slot; 230, screw rod; 231, knob; 240, lower link; 300, battery core.
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, when not conflicting, the feature in following embodiment and embodiment can combine mutually.
In one of them embodiment of the present invention, improve a kind of battery pole plates welding performance test fixture, it comprises clamp assembly 100 and lower clamp assembly 200.
As Figure 1-3, described upper clamp assembly 100 comprises tension plate 110, some pulling force pawls 130 and upper connecting rod 120, described tension plate 110 can cover battery pole plates, tension plate 110 in the present embodiment is disk-like structure, it comprises dish top 111 and rim portion 112, and described rim portion 112 is along the circumferential direction arranged at intervals with some slot 112a; Some described pulling force pawls 130 can be arranged in the circumference of described tension plate 110 along tension plate 110 with moving radially, and some described pulling force pawls 130 can insert the gap of battery pole plates and battery core; Pulling force pawl 130 in the present embodiment comprises corpus unguis 131 and flange 132, described corpus unguis 131 is arranged along described tension plate 110 radial direction, more preferably, the width of described corpus unguis 131 from its radial outer one end diminishing gradually to its radial inner one end, with enlarge active surface.Described flange 132 is arranged at the radial outer one end of described corpus unguis 131, is convenient to taking pulling force pawl 130.Upper connecting rod 120 is fixed on described tension plate 110, for being connected with puller system.Upper connecting rod 120 is provided with external thread.
As shown in figs. 4 through 10, described lower clamp assembly 200 comprises positioning seat 210, slide block 220, driving mechanism and lower link 240, described positioning seat 210 is provided with the first groove 211 for placing battery core; Described slide block 220 is slidably disposed in described first groove 211 side, described slide block 220 is provided with second groove 221, first groove 211 relative with described first groove 211 and coordinates with the second groove 221, battery core clamped.Preferably, the inwall of described first groove 211 and/or described second groove 221 is provided with concaveconvex structure.Concaveconvex structure in the present embodiment is spiral slot 214,222, and the mode that spiral slot increasing friction force holds battery core tightly fixes battery core.More preferably, described positioning seat 210 is also provided with the chute 212 being positioned at described first groove 211 side, described slide block 220 is contained in described chute 212.Described driving mechanism in the present embodiment comprises two threaded holes 213 and two screw rods 230, and described threaded hole 213 is arranged on described chute 212 wall relative with described first groove 211; Two described screw rods 230 coordinate with described threaded hole 213 respectively, promote described slide block 220 and move to described first groove 211 side.Described lower link 240 is fixed on described positioning seat 210, for being connected with puller system.Upper connecting rod 120 is provided with external thread.
As shown in figure 11, utilize the battery pole plates welding performance method of testing of the battery pole plates welding performance test fixture in above-described embodiment, comprise the following steps:
(1) described tension plate 110 is fixed on the top of puller system (not shown);
(2) described positioning seat 210 is fixed on the bottom of puller system;
(3) some described pulling force pawls 130 are injected the gap (number of pulling force pawl 130 can test as required weld to count adjust) of pole plate (not shown) and battery core 300;
(4) press the decline button of pressing machine, drop to the position that lower clamp assembly 200 can clamp battery core 3002/5 ~ 3/5 (being preferably 1/2) length, rotate knob and promote slide block 220 and then clamping battery core 300; And
(5) press the raise button of pressing machine, rise to the pulling force reading when pulling open pole plate and puller system shows, test completes.
The battery pole plates welding performance test fixture of the embodiment of the present invention and method of testing, it can fixedly positioning battery battery core, thus ensure the problems such as battery core there will not be slip, deviate from when testing the welding pulling force of battery pole plates, ensure the testing precision of battery pole plates welding pulling force, be conducive to the work efficiency improving test simultaneously, reduce the labour intensity of workman, and then reduce the integral production cost of battery, improve the market application foreground of manufacturer's battery product, be of great practical significance.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. a battery pole plates welding performance test fixture, is characterized in that, comprising:
Upper clamp assembly (100), described upper clamp assembly (100) comprising: tension plate (110), and described tension plate (110) can cover battery pole plates; Some pulling force pawls (130), some described pulling force pawls (130) can be arranged in the circumference of described tension plate (110) along tension plate (110) with moving radially, and some described pulling force pawls (130) can insert the gap of battery pole plates and battery core; With upper connecting rod (120), described upper connecting rod (120) is fixed on described tension plate (110); And
Lower clamp assembly (200), described lower clamp assembly (200) comprising: positioning seat (210), described positioning seat (210) is provided with the first groove (211) for placing battery core; Slide block (220), described slide block (220) is slidably disposed in described first groove (211) side, described slide block (220) is provided with second groove (221) relative with described first groove (211); Driving mechanism, described driving mechanism moves to described first groove (211) side for driving described slide block (220); With lower link (240), described lower link (240) is fixed on described positioning seat (210).
2. battery pole plates welding performance test fixture according to claim 1, it is characterized in that, described tension plate (110) is disk-like structure, it comprises dish top (111) and rim portion (112), described rim portion (112) is along the circumferential direction arranged at intervals with some slots (112a), some described pulling force pawls (130) are inserted in some described slots (112a) respectively.
3. battery pole plates welding performance test fixture according to claim 1, is characterized in that, described pulling force pawl (130) comprising:
Corpus unguis (131), described corpus unguis (131) is arranged along described tension plate (110) radial direction; With
Flange (132), described flange (132) is arranged at the radial outer one end of described corpus unguis (131).
4. battery pole plates welding performance test fixture according to claim 3, is characterized in that, the width of described corpus unguis (131) is from its radial outer one end diminishing gradually to its radial inner one end.
5. battery pole plates welding performance test fixture according to claim 1, is characterized in that, the inwall of described first groove (211) and/or described second groove (221) is provided with concaveconvex structure.
6. battery pole plates welding performance test fixture according to claim 5, is characterized in that, described concaveconvex structure is spiral slot.
7. battery pole plates welding performance test fixture according to claim 1, it is characterized in that, described positioning seat (210) is also provided with the chute (212) being positioned at described first groove (211) side, described slide block (220) is contained in described chute (212).
8. battery pole plates welding performance test fixture according to claim 7, it is characterized in that, described driving mechanism comprises:
Threaded hole (213), described threaded hole (213) is arranged on described chute (212) wall relative with described first groove (211); With
Screw rod (230), described screw rod (230) coordinates with described threaded hole (213).
9. battery pole plates welding performance test fixture according to claim 8, is characterized in that, (230) are provided with knob to described screw rod.
10. use a battery pole plates welding performance method of testing for the battery pole plates welding performance test fixture as described in any one in claim 1 to 9, it is characterized in that, comprise the following steps:
(1) described tension plate (110) is fixed on the top of puller system;
(2) described positioning seat (210) is fixed on the bottom of puller system;
(3) some described pulling force pawls (130) are injected the gap of pole plate and battery core;
(4) the decline button of pressing machine is pressed, drop to the position that lower clamp assembly (200) can clamp battery core 2/5 ~ 3/5 length, make driving mechanism promote slide block (220) and move clamping battery core to described first groove (211) side; And
(5) press the raise button of pressing machine, rise to the pulling force reading when pulling open pole plate and puller system shows.
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 |
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| 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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| CN104390855A true CN104390855A (en) | 2015-03-04 |
| CN104390855B CN104390855B (en) | 2017-07-11 |
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Cited By (6)
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| CN108267368A (en) * | 2018-03-15 | 2018-07-10 | 河北银隆新能源有限公司 | Tensile test structure |
| 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 |
| CN109253920A (en) * | 2018-09-30 | 2019-01-22 | 天津津荣天宇精密机械股份有限公司 | A kind of welding detection fixture of band logical hole workpiece |
| CN109507610A (en) * | 2017-09-13 | 2019-03-22 | 河北银隆新能源有限公司 | The integral structure of battery core short-circuit test and weighing |
| CN112345346A (en) * | 2020-10-29 | 2021-02-09 | 广东技术师范大学 | Clamp for testing welding tension of battery cell |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109507610A (en) * | 2017-09-13 | 2019-03-22 | 河北银隆新能源有限公司 | The integral structure of battery core short-circuit test and weighing |
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| CN109060457A (en) * | 2018-08-09 | 2018-12-21 | 詹应博 | A kind of coal mine coal-bed gas sample acquisitions device |
| CN109253920A (en) * | 2018-09-30 | 2019-01-22 | 天津津荣天宇精密机械股份有限公司 | A kind of welding detection fixture of band logical hole workpiece |
| CN109253920B (en) * | 2018-09-30 | 2024-03-19 | 天津津荣天宇精密机械股份有限公司 | Welding detection clamp for workpiece with holes |
| CN112345346A (en) * | 2020-10-29 | 2021-02-09 | 广东技术师范大学 | Clamp for testing welding tension of battery cell |
| CN112345346B (en) * | 2020-10-29 | 2023-12-08 | 广东技术师范大学 | Clamp for testing welding tension of battery cell |
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|---|---|
| CN104390855B (en) | 2017-07-11 |
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Address after: 056300 dongchangyuan village, Wu'an city, Handan City, Hebei Province Patentee after: Hebei Gree titanium new energy Co.,Ltd. Address before: 056300 dongchangyuan village, Wu'an city, Handan City, Hebei Province Patentee before: HEBEI YINLONG NEW ENERGY Co.,Ltd. |
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Effective date of registration: 20220722 Address after: 056300 dongchangyuan village, Wu'an city, Handan City, Hebei Province Patentee after: Hebei Gree titanium new energy Co.,Ltd. Patentee after: Gree titanium new energy Co.,Ltd. Address before: 056300 dongchangyuan village, Wu'an city, Handan City, Hebei Province Patentee before: Hebei Gree titanium new energy Co.,Ltd. |
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