Lithium battery test clamp device

Abstract

The utility model is suitable for the technical field of clamps, and provides a lithium battery test clamp device, which comprises a support plate; a plurality of groups of supporting grooves are arranged, and the supporting grooves are fixed at one end of the supporting plate; the elastic negative electrode is arranged in the supporting groove; the number of the concave limiting seats is the same as that of the elastic cathodes, and the concave limiting seats are in one-to-one correspondence with the elastic cathodes; the fixing plate is fixed to the supporting plate and located on the side, away from the supporting groove, of the concave limiting base. The mounting block is mounted on the fixing plate through a lifting driving mechanism; the positive electrode is mounted on the mounting block; the first inclined wedge blocks are symmetrically arranged in the concave limiting seat, and the first inclined wedge blocks are connected with elastic limiting assemblies for elastically driving the first inclined wedge blocks; the lithium battery charging and discharging testing device has a good positioning effect and is convenient for charging and discharging testing of the lithium battery.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of fixture, especially, a kind of lithium battery test fixture device. BACKGROUND

[0002] In the production process of lithium battery, lithium battery needs to be charged and discharged to judge the discharge condition and capacity of lithium battery, and a set of lithium battery positioning fixture is needed to fix the position of lithium battery, and the positive and negative poles of lithium battery are connected, to achieve the preparation of lithium battery charging and discharging.

[0003] In the prior art, the general lithium battery charging and discharging fixture has poor versatility, and can only charge and discharge test for lithium battery of certain specification, and cannot be compatible with lithium battery of various models.

[0004] Therefore, how to provide a kind of lithium battery test fixture device is the problem that the person skilled in the art needs to solve urgently. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of lithium battery test fixture device, to solve the problems mentioned in the background art.

[0006] The utility model is realized as follows, a kind of lithium battery test fixture device, comprising:

[0007] Support plate;

[0008] Support groove, the support groove is provided with several groups, and is fixed to the one end of support plate;

[0009] Elastic negative pole, the elastic negative pole is set in support groove;

[0010] Concave limit seat, the concave limit seat is same in quantity with elastic negative pole and one-to-one correspondence;

[0011] Fixed plate, the fixed plate is fixed on support plate, and located at the side of concave limit seat away from support groove;

[0012] Mounting block, the mounting block is installed on fixed plate by lifting drive mechanism;

[0013] Positive pole, the positive pole is installed on mounting block;

[0014] First inclined wedge block, the first inclined wedge block is symmetrically set in concave limit seat, and the first inclined wedge block is connected with elastic limit component that elasticity drives it.

[0015] Preferably, the support groove is sequentially provided with groove and through groove, the outer diameter of through groove is greater than the outer diameter of groove, and the elastic negative pole extends into through groove.

[0016] Preferably, the device further comprises an arc-shaped positioning plate, which is arranged on one side of the first inclined wedge block close to the support plate through an elastic guide assembly.

[0017] Preferably, the elastic guide assembly comprises:

[0018] A limiting slide block is fixedly connected with the arc-shaped positioning plate, and the limiting slide block is in sliding connection with the first inclined wedge block.

[0019] A first elastic member is fixedly connected with the inner wall of the concave limiting seat and the inner wall of the arc-shaped positioning plate at two ends thereof.

[0020] Preferably, the elastic limiting assembly comprises:

[0021] A sliding groove is arranged on the concave limiting seat and is in perpendicular distribution with the first inclined wedge block.

[0022] A second inclined wedge block is in sliding cooperation with the sliding groove and is nested in the first inclined wedge block.

[0023] The first inclined wedge block is provided with a clamping groove matched with the inclined wedge groove.

[0024] The bottom of the second inclined wedge block is connected with the inner wall of the sliding groove through a fourth elastic member.

[0025] The concave limiting seat is internally provided with an elastic baffle assembly.

[0026] Preferably, the inclined surface of the second inclined wedge block faces the inner side of the concave limiting seat.

[0027] Preferably, the elastic baffle assembly comprises a tensioning plate and a third elastic member.

[0028] Preferably, the lifting driving mechanism comprises:

[0029] A sliding sleeve penetrates through the fixed plate, and the sliding sleeve is connected with the fixed plate through a fastening assembly.

[0030] A trapezoidal sliding rod is in sliding cooperation with the sliding sleeve.

[0031] A connecting sliding rod is in sliding connection with the sliding sleeve, and two ends of the connecting sliding rod are fixedly connected with the mounting block and the trapezoidal sliding rod on a side close to the concave limiting seat.

[0032] A second elastic member is sleeved on the connecting sliding rod and located between the trapezoidal sliding rod and the inner wall of the sliding sleeve.

[0033] A driving assembly is used for driving the trapezoidal sliding rod to move towards the concave limiting seat.

[0034] Preferably, the driving assembly comprises:

[0035] a driving shaft, the driving shaft is rotationally arranged on the support plate;

[0036] a driving member, the driving member is used for driving the driving shaft to rotate;

[0037] an eccentric wheel, the eccentric wheel is mounted on the driving shaft and abuts against the trapezoidal slide bar.

[0038] Preferably, the driving assembly comprises a positioning plate abutting against the top surface of the fixed plate and a fastening bolt fixing the positioning plate and the fixed plate.

[0039] Compared with the prior art, the lithium battery testing fixture has the beneficial effects that: when in use, the lithium battery is inserted into the concave limiting seat, the first inclined wedge block is extruded by the lithium battery, so that the first inclined wedge block is retracted into the concave limiting seat, and the first inclined wedge block is reset by the elastic limiting assembly, the first inclined wedge block cooperates with the inner wall of the concave limiting seat to position the lithium battery, the lower end of the lithium battery falls into the supporting groove and is connected with the elastic negative electrode, at this time, the mounting block is driven downward by the lifting driving mechanism on the fixed plate, the mounting block drives the positive electrode to contact the other electrode of the lithium battery, so that the charging and discharging test of the lithium battery is realized, the operation is simple and convenient, and the lithium battery of different specifications can be applied. BRIEF DESCRIPTION OF DRAWINGS

[0040] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and explain the present application together with the embodiments of the present application, and do not constitute a limitation on the present application.

[0041] Figure 1 A structural schematic view of a lithium battery testing fixture device provided by the present application is shown.

[0042] Figure 2 A structural schematic view of a first inclined wedge block and an arc-shaped positioning plate in a lithium battery testing fixture device provided by the present application is shown.

[0043] Figure 3 A structural schematic view of a first inclined wedge block and an arc-shaped positioning plate in a lithium battery testing fixture device provided by the present application is shown. Figure 1 A structural schematic view of A in the figure is shown.

[0044] In the drawings: 1-support plate; 2-supporting groove; 3-elastic negative electrode; 4-concave limiting seat; 5-fixed plate; 6-mounting block; 7-positive electrode; 8-first inclined wedge block; 9-arc-shaped positioning plate; 10-limiting slide block; 11-first elastic member; 12-sliding groove; 13-second inclined wedge block; 14-inclined wedge groove; 15-elastic baffle assembly; 16-groove; 17-through groove; 18-sliding sleeve; 19-trapezoidal slide bar; 20-connecting slide bar; 21-second elastic member; 22-driving member; 23-driving shaft; 24-eccentric wheel; 100-elastic guide assembly; 200-elastic limiting assembly; 300-lifting driving mechanism. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0046] The specific implementation of the utility model will be described in detail in combination with specific examples.

[0047] As shown in the structure schematic view of a lithium battery test fixture device provided by an embodiment of the utility model, comprising: Figure 1

[0048] Supporting plate 1;

[0049] Supporting groove 2, the supporting groove 2 is provided with several groups, and is fixed to one end of supporting plate 1;

[0050] Elastic negative pole 3, the elastic negative pole 3 is arranged in supporting groove 2;

[0051] Concave limit seat 4, the concave limit seat 4 is same in number with elastic negative pole 3 and one-to-one corresponding;

[0052] Fixed plate 5, the fixed plate 5 is fixed on supporting plate 1, and is located on the side of concave limit seat 4 away from supporting groove 2;

[0053] Mounting block 6, the mounting block 6 is installed on fixed plate 5 through lifting drive mechanism 300;

[0054] Positive pole 7, the positive pole 7 is installed on mounting block 6;

[0055] First inclined wedge block 8, the first inclined wedge block 8 is symmetrically arranged in concave limit seat 4, and the first inclined wedge block 8 is connected with elastic limit assembly 200 elastically driven thereto.

[0056] In the embodiment of the utility model, when using, by inserting lithium battery into concave limit seat 4, lithium battery extrudes first inclined wedge block 8, so that first inclined wedge block 8 is retracted into concave limit seat 4, and then is driven to reset by elastic limit assembly 200, first inclined wedge block 8 cooperates with the inner wall of concave limit seat 4 to position lithium battery, the lower end of lithium battery falls in supporting groove 2 and is connected with elastic negative pole 3, at this time, mounting block 6 is driven to move downward by lifting drive mechanism 300 on fixed plate 5, and positive pole 7 is driven to contact the other electrode of lithium battery by mounting block 6, so as to realize the charge and discharge test, simple and convenient operation, and different specifications of lithium battery can be applied.

[0057] ​In one case of the embodiment, the support groove 2 is sequentially provided with a groove 16 and a through groove 17, the outer diameter of the through groove 17 is larger than that of the groove 16, the elastic negative electrode 3 extends into the through groove 17, through the arrangement, the lithium battery can extrude the elastic negative electrode 3 to a position consistent with the ground level of the through groove 17, and damage to the elastic negative electrode 3 is avoided.

[0058] As shown in Figure 2 As a preferred embodiment of the utility model, the device further comprises an arc-shaped positioning plate 9, the arc-shaped positioning plate 9 is arranged on the side of the first inclined wedge block 8 close to the support plate 1 through an elastic guiding assembly 100, and the elastic guiding assembly 100 comprises:

[0059] A limiting sliding block 10 is fixedly connected with the arc-shaped positioning plate 9, and the limiting sliding block 10 is slidably connected with the first inclined wedge block 8;

[0060] A first elastic member 11 is fixedly connected with the inner wall of the concave limiting seat 4 and the inner wall of the arc-shaped positioning plate 9 at both ends.

[0061] In the embodiment of the utility model, when in use, the lithium battery extrudes the first inclined wedge block 8 to move, the first inclined wedge block 8 is retracted into the concave limiting seat 4 by overcoming the elastic limiting assembly 200, the arc-shaped positioning plate 9 and the first elastic member 11 are moved by the first inclined wedge block 8, after the lithium battery is inserted, the first inclined wedge block 8 is driven to reset by the elastic limiting assembly 200, the arc-shaped positioning plate 9 is driven to reset by the elastic force of the first elastic member 11, the arc-shaped positioning plate 9 positions the side of the lithium battery perpendicular to the first inclined wedge block 8, and the limiting sliding block 10 can make the arc-shaped positioning plate 9 move more stably.

[0062] As shown in Figure 3 As another preferred embodiment of the utility model, the elastic limiting assembly 200 comprises:

[0063] A sliding groove 12 is arranged on the concave limiting seat 4 and is vertically distributed with the first inclined wedge block 8;

[0064] A second inclined wedge block 13 is slidably matched with the sliding groove 12 and is nested in the first inclined wedge block 8;

[0065] The first inclined wedge block 8 is provided with a clamping groove matched with a wedge groove 14;

[0066] The bottom of the second inclined wedge block 13 is connected with the inner wall of the sliding groove 12 through a fourth elastic member;

[0067] The concave limiting seat 4 is provided with an elastic baffle assembly 15.

[0068] In the embodiment of the utility model, when using, through the lithium battery is inserted into the concave limit seat 4, the lithium battery extrudes the first inclined wedge 8, so that the first inclined wedge 8 is retracted into the concave limit seat 4, at the same time, the lithium battery extrudes the elastic baffle assembly 15, until the lithium battery is over the first inclined wedge 8, the second inclined wedge 13 is driven to move through the elastic force of the fourth elastic member, the second inclined wedge 13 extrudes the inclined wedge groove 14, so that the inclined wedge groove 14 drives the first inclined wedge 8 reset, the first inclined wedge 8 cooperates with the elastic baffle assembly 15 and clamps the two sides of the lithium battery relative positioning.

[0069] In one case of the embodiment, the inclined surface of the second inclined wedge 13 faces the inside of the concave limit seat 4, when the first inclined wedge 8 moves, the first inclined wedge 8 extrudes the inclined surface of the second inclined wedge 13 through the inclined wedge groove 14, so that the second inclined wedge 13 is retracted into the chute 12.

[0070] In one case of the embodiment, the elastic baffle assembly 15 includes a tensioning plate and a third elastic member, the lithium battery is extruded by the elastic force of the third elastic member, so that the lithium battery cooperates with the rear side end surface of the first inclined wedge 8 and is positioned and fixed.

[0071] As Figure 1 As shown in the utility model, as another preferred embodiment of the utility model, the lifting drive mechanism 300 includes:

[0072] The sliding sleeve 18 is fixed through the fixed plate 5, and the sliding sleeve 18 is connected with the fixed plate 5 through the fastening assembly;

[0073] The trapezoidal slide rod 19 is slidably connected with the sliding sleeve 18;

[0074] The connecting slide rod 20 is slidably connected with the sliding sleeve 18, and the two ends of the connecting slide rod 20 are fixedly connected with the mounting block 6 and the side of the trapezoidal slide rod 19 close to the concave limit seat 4 respectively;

[0075] The second elastic member 21 is sleeved on the connecting slide rod 20 and located between the trapezoidal slide rod 19 and the inner wall of the sliding sleeve 18;

[0076] The drive assembly is used for driving the trapezoidal slide rod 19 to move towards the concave limit seat 4.

[0077] In the embodiment of the utility model, when using, the trapezoidal slide rod 19 drives the connecting slide rod 20 to move downwards and extrude the second elastic member 21 through the drive assembly, then the connecting slide rod 20 drives the mounting block 6 and the positive electrode 7 to move, so as to contact with the lithium battery electrode, cooperate with the elastic negative electrode 3, so as to realize the charge and discharge test.

[0078] In one case of the embodiment, the driving assembly comprises:

[0079] A driving shaft 23 is rotationally arranged on the support plate 1;

[0080] A driving member 22 is used to drive the driving shaft 23 to rotate;

[0081] An eccentric wheel 24 is installed on the driving shaft 23 and abuts against the trapezoidal slide bar 19.

[0082] In the embodiment, when in use, the driving shaft 23 is driven to rotate by the driving member 22, the driving shaft 23 drives the eccentric wheel 24 to rotate, the eccentric wheel 24 is rotated from the shorter end to the longer end to press the trapezoidal slide bar 19 to move downward, the trapezoidal slide bar 19 drives the connecting slide bar 20 to move downward and press the second elastic member 21, then the connecting slide bar 20 drives the mounting block 6 and the positive electrode 7 to move, so as to contact the electrode of the lithium battery, cooperate with the elastic negative electrode 3, and thus realize the charge and discharge test on the lithium battery.

[0083] In one case of the embodiment, the driving assembly comprises a positioning plate abutting against the top surface of the fixed plate 5 and fastening bolts fixing the positioning plate and the fixed plate 5.

[0084] The lithium battery test fixture device provided in the above embodiment of the utility model realizes the following technical effects:

[0085] When in use, the lithium battery is inserted into the concave limiting seat 4, when in use, the lithium battery presses the first inclined wedge block 8 to move, the first inclined wedge block 8 presses the inclined surface of the second inclined wedge block 13 through the inclined wedge groove 14, so that the second inclined wedge block 13 is retracted into the sliding groove 12, the first inclined wedge block 8 is retracted into the concave limiting seat 4, at the same time, the first inclined wedge block 8 drives the arc-shaped positioning plate 9 and the first elastic member 11 to move, after the lithium battery is inserted, the second inclined wedge block 13 is driven to move by the elastic force of the fourth elastic member, the second inclined wedge block 13 presses the inclined wedge groove 14, so that the inclined wedge groove 14 drives the first inclined wedge block 8 to reset, the first inclined wedge block 8 cooperates with the elastic baffle assembly 15 to clamp and position the two opposite sides of the lithium battery, then the arc-shaped positioning plate 9 is driven to reset by the elastic force of the first elastic member 11, the arc-shaped positioning plate 9 positions the side of the lithium battery perpendicular to the first inclined wedge block 8, and the limiting sliding block 10 can make the arc-shaped positioning plate 9 move more stably, at this time, the driving shaft 23 is driven to rotate by the driving member 22, the driving shaft 23 drives the eccentric wheel 24 to rotate, the eccentric wheel 24 is rotated from the shorter end to the longer end to press the trapezoidal slide bar 19 to move downward, the trapezoidal slide bar 19 drives the connecting slide bar 20 to move downward and press the second elastic member 21, then the connecting slide bar 20 drives the mounting block 6 and the positive electrode 7 to move, so as to contact the electrode of the lithium battery, cooperate with the elastic negative electrode 3, and thus realize the charge and discharge test on the lithium battery, the operation is simple and convenient, and the lithium battery of different specifications can be applied.

[0086] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, and improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A lithium battery test fixture apparatus, characterized by, The device comprises: a support plate; a plurality of support grooves arranged at one end of the support plate; a plurality of elastic negative electrodes arranged in the support grooves; a plurality of concave limit seats corresponding to the elastic negative electrodes; a fixing plate fixed to the support plate and located on the side of the concave limit seats away from the support grooves; a mounting block mounted on the fixing plate by a lifting driving mechanism; a positive electrode mounted on the mounting block; a plurality of first inclined blocks symmetrically arranged in the concave limit seats, and each first inclined block being connected with an elastic limit assembly for driving the first inclined block.

2. The lithium battery test fixture apparatus of claim 1, wherein, The support grooves are sequentially provided with a groove and a through groove, the outer diameter of the through groove is larger than that of the groove, and the elastic negative electrode extends into the through groove.

3. The lithium battery test fixture apparatus of claim 1, wherein, The device further comprises an arc-shaped positioning plate arranged on the side of the first inclined block close to the support plate by an elastic guide assembly.

4. The lithium battery test fixture apparatus of claim 3, wherein, The elastic guide assembly comprises: a limit slide block fixedly connected with the arc-shaped positioning plate and slidably connected with the first inclined block; a first elastic member fixedly connected with the inner wall of the concave limit seat and the inner wall of the arc-shaped positioning plate at two ends thereof.

5. The lithium battery test fixture apparatus of claim 1, wherein, The elastic limit assembly comprises: a sliding groove arranged on the concave limit seat and vertically distributed with the first inclined block; a second inclined block slidably matched with the sliding groove and nested in the first inclined block; The first inclined block is provided with a clamping groove matched with an inclined groove; The bottom of the second inclined block is connected with the inner wall of the sliding groove by a fourth elastic member; The concave limit seat is provided with an elastic baffle assembly.

6. A lithium battery test fixture apparatus as defined in claim 5, wherein, The inclined surface of the second inclined block faces the inner side of the concave limit seat.

7. The lithium battery test fixture apparatus of claim 5, wherein, The elastic baffle assembly comprises a tensioning plate and a third elastic member.

8. A lithium battery test fixture apparatus according to any one of claims 1-7, wherein, The lifting driving mechanism comprises: a sliding sleeve penetrating through the fixing plate and connected with the fixing plate by a fastening assembly; a trapezoidal slide rod slidably matched with the sliding sleeve; a connecting slide rod slidably connected with the sliding sleeve and fixedly connected with the mounting block and the trapezoidal slide rod at two ends thereof and on the side close to the concave limit seat; a second elastic member sleeved on the connecting slide rod and located between the trapezoidal slide rod and the inner wall of the sliding sleeve; a driving assembly for driving the trapezoidal slide rod to move towards the concave limit seat.

9. A lithium battery test fixture apparatus as claimed in claim 8, wherein, The driving assembly comprises: a driving shaft rotatably arranged on the support plate; a driving member for driving the driving shaft to rotate; an eccentric wheel mounted on the driving shaft and abutting against the trapezoidal slide rod.

10. The lithium battery test fixture apparatus of claim 9, wherein, The driving assembly comprises a positioning plate abutting against the top surface of the fixing plate and a fastening bolt for fixing the positioning plate and the fixing plate.

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