CN210181087U

CN210181087U - Test fixture for flexible package cylindrical lithium ion battery

Info

Publication number: CN210181087U
Application number: CN201920922771.4U
Authority: CN
Inventors: Changqing Hu; 胡常青; Haiqing Huang; 黄海清; Hongjun Ren; 任宏君; Qilang Yuan; 袁启朗
Original assignee: Shandong Hange Battery Tech Co Ltd
Current assignee: Shandong Hange Battery Tech Co Ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-03-24
Anticipated expiration: 2029-06-19

Abstract

The utility model relates to the technical field of lithium battery testing, and discloses a test fixture of a flexible package cylindrical lithium ion battery, two meter pens of a tester (such as a universal meter) are inserted into an insertion groove to be contacted with a conduction core, the conduction core transmits the two poles of the meter pens, the conduction core is conducted to the fixture to be in contact with the two poles of the battery, the battery is tested, the transmission core is wrapped from a connecting column to the fixture to prevent the interference generated when the battery is tested by the outside, the conduction core is protected, the service life of the conduction core is prolonged, a cleaning ring is pushed to lead a rotating bearing to rotate, a brush rotates to clean the surface of the battery, not only the outer surface of the battery can be cleaned comprehensively, the cleaning effect is increased, after the force of the rotating bearing is gradually reduced, a permanent magnet on the cleaning ring is opposite attracted with a permanent magnet on a magnetic column, the cleaning ring is parallel to a bottom plate, the battery is convenient to disassemble and the subsequent poking cleaning ring is convenient to carry out.

Description

Test fixture for flexible package cylindrical lithium ion battery

Technical Field

The utility model relates to a lithium battery test technical field specifically is a cylindrical lithium ion battery's of soft-packing test fixture.

Background

Lithium batteries are classified into lithium batteries and lithium ion batteries. Lithium ion batteries are used in mobile phones and notebook computers, and are commonly called as lithium batteries. The battery generally adopts a material containing lithium element as an electrode, and is a representative of modern high-performance batteries.

In the production process of the lithium ion battery, two poles of the finished lithium ion battery need to be tested to determine whether the finished lithium ion battery is qualified, and the tests are generally carried out by clamping the lithium ion battery by using a test fixture and then using a test instrument such as a universal meter.

Current patent No. CN208350845U proposes a lithium ion test fixture, which cleans the surface of the battery by arranging a cleaning mechanism on one side of the battery fixture, so as to reduce the cleaning steps and increase the testing efficiency. However, the cleaning mechanism is difficult to adjust, the front surface, the rear surface, the upper surface and the lower surface of the battery cannot be comprehensively considered, the cleaning effect is poor, the two electrodes of the battery are still required to be automatically positioned by a user for testing after the battery is clamped, and the testing efficiency is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a cylindrical lithium ion battery's of soft-packing test fixture possesses efficiency of software testing height and clearance advantage such as comprehensive, has solved the not good problem of the two poles of the earth that still need the user to fix a position the battery by oneself after the clearance mechanism clearance effect of current test fixture is got with the clamp.

(II) technical scheme

For realize above-mentioned efficiency of software testing height and clear up comprehensive purpose, the utility model provides a following technical scheme: the utility model provides a cylindrical lithium ion battery's of soft-packing test fixture, includes bottom plate, fixed establishment, presss from both sides and gets mechanism and clearance mechanism, and the operation groove is seted up to the operation face of bottom plate, and two spring holes have been seted up at the back of bottom plate, and the mechanism is got to two downthehole equal fixed mounting of spring presss from both sides, and fixed establishment fixed mounting presss from both sides the one end that the mechanism is located the bottom plate outside, and clearance mechanism fixed mounting presss from both sides the one end that the mechanism is located.

The clamping mechanism comprises springs, connecting columns, a conducting core, rubber balls, fixing columns and clamps, wherein the left inner wall and the right inner wall of each spring hole are respectively fixedly connected with one spring, the unfixed end of each spring in each spring hole is fixedly connected with one connecting column, one corresponding surface of each connecting column is respectively fixedly connected with one rubber ball on the outer wall in the operation groove, one end of each rubber ball, which is far away from the corresponding connecting column, is fixedly connected with the corresponding fixing column, one surface of each fixing column, which is far away from the corresponding rubber ball, is fixedly connected with the corresponding clamp, the centers of the corresponding fixing columns and the corresponding clamps are in a hollow state, the hollow positions of the centers of the corresponding clamps and the corresponding fixing columns are in a C shape, the two clamps are in an opposite state, one end, which is located in each spring hole, of the corresponding column is provided with an insertion groove, the conducting core is fixedly arranged in, the other end of the conduction core penetrates through the connecting column, the rubber ball and the fixing column and then is fixedly connected with the inner wall of the center of the clamp.

The cleaning mechanism comprises two rotating bearings, cleaning rings, magnetic columns, permanent magnets and cleaning brushes, inner rings of the two rotating bearings are fixedly connected with the outer walls of the two fixed columns respectively, the cleaning rings comprise left cleaning rods and right cleaning rods, the left cleaning rods are in J shapes, the right cleaning rods are in the same shapes as the right cleaning rods and are in opposite states, the left cleaning rods and the right cleaning rods are fixedly connected with the outer walls of the two sides of the rotating bearings respectively, one ends, close to each other, of the two cleaning rings are fixedly connected with the permanent magnets in the left cleaning rods and the right cleaning rods respectively, the number of the magnetic columns is two, the permanent magnets are mounted inside the magnetic columns and are opposite to the magnetic poles of the permanent magnets of the cleaning rings, the two magnetic columns are fixedly mounted on the inner wall of the back face of the bottom plate respectively and correspond to the positions of the permanent magnets on the two cleaning rings respectively, and the number of the cleaning brushes is four, four clearance brushes are fixed mounting respectively and correspond the one side inner wall of anchor clamps at two left clearance poles and two right clearance poles.

The fixing mechanism consists of a fixing column, a fixing ring, supporting rods, a rotating rod, a rotating column and a clamping block, wherein one surface of the connecting column, which corresponds to the outer part of the bottom plate, is provided with a rotating groove, the fixing column is movably connected with the rotating groove, the center of the top surface of the fixing column is provided with a meter pen hole, one surface of the connecting column, which corresponds to the meter pen hole, is fixedly connected with three supporting rods, the three supporting rods are fixedly connected with the fixing ring, the fixing ring is uniformly provided with six column holes, the six column holes are respectively in interference fit with one rotating column, the inner wall of the fixing column is uniformly and fixedly connected with the six rotating rods, the six rotating rods are respectively and fixedly connected with the outer walls of the six rotating columns, which are positioned above the fixing ring, the clamping block consists of a clamping rod, a sector block, a rubber pad, the fan-shaped block is fixedly connected with the rotating shaft, one surface, far away from the rotating shaft, of the fan-shaped block is fixedly connected with the rubber pad, the number of the clamping blocks is six, and the six clamping blocks are fixedly connected with the six rotating columns respectively.

Preferably, the shape of the insertion groove is a cylindrical shape which is reduced in a stepwise manner.

Preferably, the two cleaning brushes which are close to each other are attached to each other.

Preferably, the shape of the rotating groove is the shape that the inner wall of the circular groove dissects another circular groove, the bottom surface of the fixing column is in a hollow state, the inner wall of the bottom end of the fixing column dissects one circular groove, and the bottom end of the fixing column is matched with the rotating groove.

Preferably, the rubber ball is hollow inside.

(III) advantageous effects

Compared with the prior art, the utility model provides a cylindrical lithium ion battery's of soft-packing test fixture possesses following beneficial effect:

1. this cylindrical lithium ion battery's of soft-packing test fixture, two pens of tester (like the universal meter) pass through the insertion groove and contact with the conduction core, the conduction core transmits the two poles of the earth of pen-shape metre, the conduction is in the two poles of the earth of battery to anchor clamps and is contacted, test the battery, need not the two poles of the earth of user manual positioning battery, the efficiency of software testing is high, and the transmission core all receives the parcel from spliced pole to anchor clamps, produce the interference when preventing the external world from testing the battery, and protect the conduction core, increase the life of conduction core.

2. This cylindrical lithium ion battery's of soft-packing test fixture, it is rotatory to promote clean ring messenger rolling bearing, the brush rotates and clears up the surface of battery, not only can carry out comprehensive clearance to the surface of battery, increase clear effect, can also be according to the rotation number of turns of the clean ring of user's dynamics control, the clean degree of decision battery, rolling bearing's dynamics reduces the back gradually, permanent magnet on the clearance ring attracts mutually with the permanent magnet opposite sex on the magnetic column, make clearance ring parallel and bottom plate, conveniently carry out the dismantlement and the subsequent clearance ring of stirring of battery.

3. This cylindrical lithium ion battery's of flexible package test fixture, fix the pen-shape metre through fixed establishment, the pen-shape metre becomes flexible and leads to measuring result inaccurate in avoiding the use, also prevent that the pen-shape metre from receiving to strike and leading to the pen-shape metre to bend in the insertion groove, thereby avoided changing the inconvenience that the pen-shape metre produced, the fan-shaped piece is through pivot laminating angle at the clamping process, can be better with the pen-shape metre laminating, the rubber pad is protected pen-shape metre and fan-shaped piece contact surface, prevent that the pen-shape metre outer wall is impaired.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top sectional view of the present invention;

FIG. 3 is an enlarged view of the point A of FIG. 2 according to the present invention;

fig. 4 is a schematic view of the sectional structure of the top surface of the fixing mechanism of the present invention.

In the figure: 1 bottom plate, 2 fixing mechanisms, 21 fixing columns, 22 fixing rings, 23 supporting rods, 24 rotating columns, 25 clamping blocks, 251 clamping rods, 252 sector blocks, 253 rubber pads, 254 rotating shafts, 26 rotating rods, 3 clamping mechanisms, 31 springs, 32 connecting columns, 33 conducting cores, 34 rubber balls, 35 mounting columns, 36 clamps, 4 cleaning mechanisms, 41 rotating bearings, 42 cleaning rings, 421 left cleaning rods, 422 right cleaning rods, 43 magnetic columns, 44 permanent magnets, 45 cleaning brushes, 5 operating grooves, 6 spring holes, 7 insertion grooves, 8 rotating grooves, 9 watch pen holes and 10 column holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, the utility model provides a cylindrical lithium ion battery's of soft-packing test fixture, including bottom plate 1, fixed establishment 2, press from both sides and get mechanism 3 and clearance mechanism 4, the operation groove 5 is seted up to the operating surface of bottom plate 1, two spring holes 6 have been seted up at the back of bottom plate 1, equal fixed mounting has in two spring holes 6 to press from both sides and gets mechanism 3, fixed establishment 2 fixed mounting is pressing from both sides and is getting the one end that mechanism 3 is located bottom plate 1 outside, clearance mechanism 4 fixed mounting is pressing from both sides the one end that mechanism 3 is located operation groove 5.

The clamping mechanism 3 comprises springs 31, connecting columns 32, a conducting core 33, rubber balls 34, mounting columns 35 and clamps 36, the left inner wall and the right inner wall of each spring hole 6 are respectively and fixedly connected with one spring 31, the unfixed end of each spring 31 in each spring hole 6 is respectively and fixedly connected with one connecting column 32, one corresponding surface of each connecting column 32 is respectively and fixedly connected with one rubber ball 34 on the outer wall in the operation groove 5, the rubber ball 34 is hollow, one end of each rubber ball 34 far away from the corresponding connecting column 32 is fixedly connected with the mounting column 35, one surface of each mounting column 35 far away from the corresponding rubber ball 34 is fixedly connected with the corresponding clamp 36, the centers of the mounting columns 35 and the

corresponding clamps

36 and 35 are hollowed out, the clamps 36 are C-shaped, the two clamps 36 are in opposite state, one end of each connecting column 32 in each spring hole 6 is provided with an insertion groove 7, the shape of the insertion groove 7 is a cylinder shape with a step reduction, the shape of the insertion groove 7 can be matched with an insertion needle of a test instrument to facilitate the insertion and positioning of the insertion needle, the conductive core 33 is fixedly arranged inside the connecting column 32, the conductive core 33 is made of conductive metal and is L-shaped, one end of the conductive core 33 is communicated with the insertion groove 7, the other end of the conductive core 33 penetrates through the connecting column 32, the rubber ball 34 and the mounting column 35 to be fixedly connected with the inner wall of the center of the clamp 36, a user inserts the battery between the two clamps 36, the clamp 36 is squeezed to deform the spring 31 under force, the distance between the clamps 36 is changed to facilitate the insertion and the fixing of the battery, the installation and the fixing of the battery are convenient, then two styluses of a test instrument such as a universal meter are contacted with the conductive core 33 through the insertion groove 7, the conductive core 33 transmits two poles of the styluses, the two, the battery is tested, the transmission core is wrapped from the connecting column 32 to the clamp 36, interference is prevented when the battery is tested from the outside, the transmission core 33 is protected, and the service life of the transmission core 33 is prolonged.

The cleaning mechanism 4 comprises two rotating bearings 41, two cleaning rings 42, a magnetic column 43, two permanent magnets 44 and two cleaning brushes 45, the inner rings of the two rotating bearings 41 are respectively fixedly connected with the outer walls of the two fixed columns 21, the cleaning ring 42 comprises a left cleaning rod 421 and a right cleaning rod 422, the left cleaning rod 421 is in a J shape, the right cleaning rod 422 is in a shape consistent with and opposite to the right cleaning rod 422, the left cleaning rod 421 and the right cleaning rod 422 are respectively fixedly connected with the outer walls of the two sides of the rotating bearings 41, the mutually close ends of the two cleaning rings 42 are respectively fixedly connected with the permanent magnets 44 in the left cleaning rod 421 and the right cleaning rod 422, the position of the permanent magnets 44 is far away from the clamp 36, the test result is prevented from being influenced by a magnetic field, the magnetic columns 43 are two, the permanent magnets 44 are arranged in the magnetic columns 43, and the magnetic poles of the permanent magnets 44 are opposite to the magnetic poles of the cleaning rings, two magnetic columns 43 are respectively and fixedly installed on the inner wall of the back surface of the bottom plate 1, the two magnetic columns 43 respectively correspond to the positions of the permanent magnets 44 on the two cleaning rings 42, the number of the cleaning brushes 45 is four, the four cleaning brushes 45 are respectively and fixedly installed on one inner wall of one surface of the two left cleaning rods 421 and one inner wall of one surface of the two right cleaning rods 422 corresponding to the clamps 36, the two cleaning brushes 45 close to the positions are mutually attached, after a user fixedly installs the battery between the clamps 36, the brushes are attached to the surface of the battery, the cleaning rings are pushed to enable the rotating bearing 41 to rotate, the brush rotates to clean the surface of the battery, not only can the outer surface of the battery be comprehensively cleaned and the cleaning effect be increased, but also the rotating number of turns of the cleaning rings can be controlled according to the force of the user to determine the cleaning degree of the battery, the cleaning efficiency is determined by the user, after the force, the permanent magnet 44 on the cleaning ring 42 and the permanent magnet 44 on the magnetic column 43 are attracted in opposite directions, so that the cleaning ring 42 is parallel to the bottom plate 1, and the battery can be conveniently disassembled and the cleaning ring 42 can be conveniently moved subsequently.

The fixing mechanism 2 comprises a fixing column 21, a fixing ring 22, supporting rods 23, rotating rods 26, rotating columns 24 and clamping blocks 25, wherein one side of the connecting column 32, corresponding to the outer part of the bottom plate 1, is provided with a rotating groove 8, the rotating groove 8 is shaped like the inner wall of a circular groove dissecting another circular groove, the bottom surface of the fixing column 21 is in a hollow state, the inner wall of the bottom end dissects a circular groove, the bottom end of the fixing column 21 is matched with the rotating groove 8, the fixing column 21 is movably connected with the rotating groove 8, the center of the top surface of the fixing column 21 is provided with a pen hole 9, one side of the connecting column 32, corresponding to the pen hole 9, is fixedly connected with the three supporting rods 23, the three supporting rods 23 are fixedly connected with the fixing ring 22, one side of the fixing ring 22, corresponding to the pen hole 9, is uniformly provided with six column holes 10, the six column, six rotating rods 26 are respectively fixedly connected with the outer walls of six rotating columns 24 positioned above the fixed ring 22, each clamping block 25 consists of a clamping rod 251, a sector block 252, a rubber pad 253 and a rotating shaft 254, the clamping rod 251 is fixedly connected with one end, far away from the insertion groove 7, of each rotating column 24 positioned below the fixed ring 22, the rotating shaft 254 is fixedly installed at one end, far away from the rotating column 24, of the clamping rod 251, the sector block 252 is fixedly connected with the rotating shaft 254, the rotating shaft 254 enables the sector block 252 to have a rotating function, one face, far away from the rotating shaft 254, of the sector block 252 is fixedly connected with the rubber pad 253, the six clamping blocks 25 are respectively and fixedly connected with the six rotating columns 24, a user inserts a meter pen through the meter pen hole 9 and the center of the fixed ring 22 through the insertion groove 7, the fixed column 21 is rotated, the rotating rods 26 push the rotating columns 24, and the clamping blocks, fix the pen-shape metre, avoid in the use not hard up measuring result that leads to of pen-shape metre inaccurate, also prevent that the pen-shape metre from receiving to strike and leading to the pen-shape metre to bend in insertion groove 7 to avoid the inconvenience that changes the pen-shape metre production, fan-shaped piece 252 is through pivot 254 laminating angle at the clamping process, can be better with the pen-shape metre laminating, rubber pad 253 protects pen-shape metre and fan-shaped piece 252 contact surface, prevents that the pen-shape metre outer wall is impaired.

When the tester is used, a user firstly inserts the battery between the two clamps 36, then inserts the meter pen through the insertion groove 7 after passing through the centers of the meter pen hole 9 and the fixed ring 22, rotates the fixed column 21, the rotating column 26 pushes the rotating column 24, the clamping block 25 gradually shrinks inwards along the curved surface of the rotating column 24 to fix the meter pen, two meter pens of a tester such as a universal meter contact with the conducting core 33 through the insertion groove 7, the conducting core 33 transmits two poles of the meter pen to the clamps 36 to be in contact with the two poles of the battery, tests the battery, after the user fixedly installs the battery between the clamps 36, the brush is attached to the surface of the battery, the cleaning ring is pushed to drive the rotating bearing 41 to rotate, the brush rotates to clean the surface of the battery, after the force of the rotating bearing 41 is gradually reduced, the permanent magnet 44 on the cleaning ring 42 is opposite to the permanent magnet 44 on the magnetic column 43, with the cleaning ring 42 parallel to the base plate 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cylindrical lithium ion battery's of soft-packing test fixture, including bottom plate (1), fixed establishment (2), press from both sides and get mechanism (3) and clearance mechanism (4), operation groove (5) are seted up to the operation face of bottom plate (1), two spring holes (6) have been seted up at the back of bottom plate (1), equal fixed mounting has in two spring holes (6) presss from both sides and gets mechanism (3), fixed establishment (2) fixed mounting is pressed from both sides and is got mechanism (3) and be located the outside one end of bottom plate (1), clearance mechanism (4) fixed mounting is pressed from both sides the one end that presss from both sides mechanism (3) and be located operation groove (5), its characterized in that: press from both sides and get mechanism (3) and constitute by spring (31), spliced pole (32), conduction core (33), rubber ball (34), erection column (35) and anchor clamps (36), the inner wall and spring (31) fixed connection in two spring holes (6), spring (31) and a spliced pole (32) fixed connection, the one side that two spliced poles (32) correspond respectively with a rubber ball (34) fixed connection, the one end and erection column (35) fixed connection that spliced pole (32) were kept away from in rubber ball (34), one side and anchor clamps (36) fixed connection that rubber ball (34) were kept away from in erection column (35), insertion groove (7) have been seted up to spliced pole (32) one end that is located spring hole (6) inside, conduction core (33) fixed mounting is in the inside of spliced pole (32), the one end and the insertion groove (7) intercommunication of conduction core (33), the other end of conduction core (33) passes spliced pole (32), The rubber ball (34) and the mounting column (35) are fixedly connected with the inner wall of the center of the clamp (36);

the cleaning mechanism (4) is composed of two rotating bearings (41), two cleaning rings (42), two magnetic columns (43), a permanent magnet (44) and a cleaning brush (45), the inner rings of the two rotating bearings (41) are fixedly connected with the outer walls of the two fixing columns (21) respectively, the cleaning rings (42) are fixedly connected with the outer walls of the rotating bearings (41), one ends, close to each other, of the two cleaning rings (42) and the inner parts of the magnetic columns (43) are fixedly connected with the permanent magnet (44), the magnetic columns (43) are fixedly installed on the inner wall of the back face of the base plate (1), the magnetic columns (43) correspond to the positions of the permanent magnets (44) on the two cleaning rings (42), and the cleaning brush (45) is fixedly installed on the inner wall of the cleaning rings (42);

the fixing mechanism (2) is composed of a fixing column (21), a fixing ring (22), supporting rods (23), a rotating rod (26), a rotating column (24) and a clamping block (25), wherein a rotating groove (8) is formed in one side, corresponding to the outer portion of the bottom plate (1), of the connecting column (32), the bottom end of the fixing column (21) is matched with the rotating groove (8), the fixing column (21) is movably connected with the rotating groove (8), a meter pen hole (9) is formed in the center of the top surface of the fixing column (21), one side, corresponding to the meter pen hole (9), of the connecting column (32) is fixedly connected with the three supporting rods (23), the three supporting rods (23) are fixedly connected with the fixing ring (22), six column holes (10) are uniformly formed in one side, corresponding to the meter pen hole (9), of the fixing ring (22), the six column holes (10) are in interference fit with the rotating column (24) respectively, the inner wall, six dwang (26) respectively with be located six rotating column (24) outer wall fixed connection of solid fixed ring (22) top, press from both sides the quantity of tight piece (25) and be six, six press from both sides tight piece (25) respectively with six rotating column (24) fixed connection.

2. The test fixture for the flexible package cylindrical lithium ion battery of claim 1, wherein: the shape of the insertion groove (7) is a cylindrical shape which is reduced in a stepped manner.

3. The test fixture for the flexible package cylindrical lithium ion battery of claim 1, wherein: clearance ring (42) comprise left clearance pole (421) and right clearance pole (422), and the shape of left side clearance pole (421) is the J style of calligraphy, and the shape of right side clearance pole (422) is unanimous and is opposite state with right clearance pole (422).

4. The test fixture for the flexible package cylindrical lithium ion battery of claim 3, wherein: the quantity of clearance brush (45) is four, and four clearance brushes (45) are fixed mounting respectively and correspond the one side inner wall of anchor clamps (36) in two left clearance poles (421) and two right clearance poles (422), and two clearance brushes (45) that the position is close to laminate each other.

5. The test fixture for the flexible package cylindrical lithium ion battery of claim 1, wherein: the clamping block (25) is composed of a clamping rod (251), a sector block (252), a rubber pad (253) and a rotating shaft (254), the clamping rod (251) is fixedly connected with one end, far away from the insertion groove (7), of the rotating column (24) below the fixing ring (22), the rotating shaft (254) is fixedly installed at one end, far away from the rotating column (24), of the clamping rod (251), the sector block (252) is fixedly connected with the rotating shaft (254), and one face, far away from the rotating shaft (254), of the sector block (252) is fixedly connected with the rubber pad (253).