CN219552474U - Clamp for soft package battery charge and discharge test - Google Patents

Abstract

The utility model relates to and discloses a clamp for a soft package battery charge and discharge test. Relates to the technical field of new energy battery testing. The utility model specifically comprises an upper clamping plate and a lower clamping plate, wherein two upper pressing plates are arranged on the upper clamping plate, two lower pressing plates are arranged on the lower clamping plate, one upper pressing plate and one lower pressing plate compress the positive electrode lug of the battery, and the other upper pressing plate and the other lower pressing plate compress the negative electrode lug of the battery; the upper clamping plate is rotationally connected with the lower clamping plate, when one ends of the upper clamping plate and the lower clamping plate are pressed, the other ends of the upper clamping plate and the lower clamping plate are opened, one upper pressing piece and one lower pressing piece loosen the positive lugs of the battery, and the other upper pressing piece and the other lower pressing piece simultaneously loosen the negative lugs of the battery. The upper clamping plate is provided with the two upper pressing plates, the lower clamping plate is provided with the two lower pressing plates, and the positive and negative lugs of the battery are clamped or loosened through the clamp, so that the efficiency of mounting the battery on the charging and discharging cabinet is greatly improved, and the risk of damaging the lugs of the battery is reduced.

Description

Clamp for soft package battery charge and discharge test

Technical Field

The utility model relates to the technical field of new energy battery testing, in particular to a clamp for soft package battery charge and discharge testing.

Background

At present, a soft package lithium ion battery test fixture is generally composed of an anode fixture and a cathode fixture which are relatively independent, and when the soft package battery is subjected to charge and discharge test in an upper cabinet, the operation of adjusting the fixture position and clamping the lug is required to be independently carried out. The relative independent design of this kind of positive negative pole ear anchor clamps must carry out both sides and press the clamp of operation just can accomplish the positive negative pole ear of battery and get, is unfavorable for improving electric core upper cabinet test efficiency, in addition, presss from both sides the positive negative pole ear of getting the battery respectively through two anchor clamps, causes soft packet of battery tab damage risk when carrying out anchor clamps position adjustment. Therefore, a more convenient and reliable fixture is needed to improve the cabinet loading efficiency of the soft package battery.

Chinese patent CN212379450U, publication No. 2021-01-19 discloses a fixing clamp for polymer soft package battery, which belongs to the technical field of battery clamp, and comprises an upper clamping plate and a lower clamping plate; still include compressing tightly piece, pressure spring and pressure spring seat, the lower surface of lower plate has square location lug, and the lower surface of location lug has vertical installation axle, compressing tightly piece, pressure spring and pressure spring seat from top to bottom overlaps in proper order and locates the installation axle, and the upper and lower both ends of pressure spring are supported respectively to compressing tightly piece and pressure spring seat, pressure spring seat and installation axle fixed connection. The clamping of the clamp on the clamping plate is skillfully realized, the clamp can be rotated to change the state only by lifting the clamp upwards and overcoming the force of the pressure spring, the distance between the two clamps can be adjusted only by loosening the gap, the clamping device can adapt to the clamping of batteries with different lengths, the disassembly is not needed, and the adjustment is very convenient. But this mounting fixture is through adopting two anchor clamps to fix a position the positive negative pole ear of soft packet of battery respectively, is unfavorable for improving electric core upper cabinet test efficiency, and causes soft packet of battery tab damage risk when carrying out anchor clamps position adjustment.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides the clamp for the charge and discharge test of the soft package battery, which greatly improves the efficiency of the battery on a charge and discharge cabinet and reduces the risk of battery tab damage.

The utility model provides a clamp for a charge and discharge test of a soft package battery, which comprises an upper clamp plate and a lower clamp plate, wherein two upper pressing plates are arranged on the upper clamp plate, two lower pressing plates are arranged on the lower clamp plate, one upper pressing plate and one lower pressing plate compress a battery positive lug, and the other upper pressing plate and the other lower pressing plate compress a battery negative lug; the upper clamping plate is rotationally connected with the lower clamping plate, when the upper clamping plate and one end of the lower clamping plate are pressed, the upper clamping plate and the other end of the lower clamping plate are opened, one upper pressing plate and one lower pressing plate loosen the battery positive electrode lug, and the other upper pressing plate and the other lower pressing plate simultaneously loosen the battery negative electrode lug.

Further, the upper clamping plate is provided with a first sliding rail in sliding fit with the two upper pressing plates, and the lower clamping plate is provided with a second sliding rail in sliding fit with the two lower pressing plates.

Further, the first slide rail is two that transversely set up on the punch holder, the second slide rail is two that transversely set up on the punch holder, and two the first slide rail runs through the punch holder, two the second slide rail runs through the punch holder, go up the preforming with the preforming down all includes the clamp plate and locates with dividing the two buckle plates of clamp plate both sides, two the buckle respectively runs through two behind first slide rail or the second slide rail with punch holder or the punch holder lock joint.

Further, a first scale mark for marking the two upper pressing positions is arranged on one side of the first sliding rail, and a second scale mark for marking the two lower pressing positions is arranged on one side of the second sliding rail.

Further, the upper clamping plate comprises an opening and closing part which is used for opening or closing with the lower clamping plate, and a pressing part which enables the opening and closing part to open or close with the lower clamping plate, and the pressing part is obliquely arranged at one end of the opening and closing part in an upward inclined mode.

Further, the clamp further comprises a rotating shaft which is used for rotating and connecting the opening and closing part with the lower clamping plate, and a torsion spring which is sleeved on the rotating shaft, one end of the torsion spring is abutted to the opening and closing part, and the other end of the torsion spring is abutted to the lower clamping plate.

Further, two first rotation supporting blocks are arranged at the bottom of the opening and closing part, two second rotation supporting blocks are arranged on the lower clamping plate, through holes for the rotation shaft to penetrate through are formed in the first rotation supporting blocks and the second rotation supporting blocks, and the two first rotation supporting blocks are respectively inserted into the inner sides of the two second rotation supporting blocks.

Further, the clamp further comprises a mounting bolt used for fixing the lower clamping plate on the charging and discharging cabinet, a mounting hole is formed in the lower clamping plate, and one end of the mounting bolt penetrates through the mounting hole and then is in threaded connection with the charging and discharging cabinet.

Further, the clamp further comprises a tightening device for fixing or loosening the upper pressing piece and the lower pressing piece.

Further, a plurality of first screw holes are axially formed in one side end of the upper clamping plate, the first screw holes are used for communicating one first sliding rail with the outside, a plurality of second screw holes are axially formed in one side end of the lower clamping plate, the second screw holes are used for communicating one second sliding rail with the outside, and the elastic device comprises two first elastic bolts which are respectively in threaded connection with the two first screw holes and two second elastic bolts which are respectively in threaded connection with the two second screw holes.

The clamp for the charge and discharge test of the soft package battery has the following gain effects:

(1) The upper clamping plate of the clamp is provided with the two upper pressing plates, the lower clamping plate is provided with the two lower pressing plates, and the positive and negative lugs of the battery are clamped or loosened through one clamp, so that the efficiency of mounting the battery on the charging and discharging cabinet is greatly improved, and the risk of damaging the lugs of the battery is reduced;

(2) The upper clamping plate of the clamp is provided with the first sliding rail, the two upper pressing plates are in sliding fit with the first sliding rail, the lower clamping plate is provided with the second sliding rail, and the two lower pressing plates are in sliding fit with the second sliding rail, so that the distance between the two upper pressing plates and the distance between the two lower pressing plates can be adjusted, the application range of the clamp is enlarged, and the clamp can be used for positioning battery lugs more accurately;

(3) The first slide rail side of the clamp is provided with a first scale line for marking the positions of the two upper press sheets on the upper clamping plate, the second slide rail side is provided with a second scale line for marking the positions of the two lower press sheets on the lower clamping plate, so that the distance between the upper press sheets and the distance between the two lower press sheets are more accurately adjusted, and the accuracy of the clamp in positioning the battery lugs is further ensured;

(4) The rotating shaft of the clamp rotationally connects the opening and closing part with the lower clamp plate, a torsion spring is sleeved on the rotating shaft, one end of the torsion spring is in butt joint with the opening and closing part, and the other end of the torsion spring is in butt joint with the lower clamp plate, so that when the pressing part is pressed, the upper clamp plate and the lower clamp plate are opened, and when the acting force exerted on the pressing part is released, the upper clamp plate and the lower clamp plate are closed under the action of the elasticity of the torsion spring;

(5) The bottom of the opening and closing part of the clamp is provided with two first rotating supporting blocks, the lower clamping plate is provided with two second rotating supporting blocks, and the two first rotating supporting blocks are inserted between the two second rotating supporting blocks, so that the two second rotating supporting blocks respectively limit the two first rotating supporting blocks, and the opening or closing action of the upper clamping plate on the lower clamping plate is more stable;

(6) The clamp is further provided with an elastic device, and the two upper pressing sheets and the two lower pressing sheets are fixed or loosened through the elastic device, so that the position of the two upper pressing sheets and the position of the two lower pressing sheets are prevented from shifting under the condition of mistakenly touching, and the positioning accuracy of the clamp to the battery electrode lugs is affected.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model. In the drawings, like reference numerals are used to identify like elements.

Fig. 1 is a schematic structural diagram of a fixture for testing charge and discharge of a soft battery according to an embodiment of the present utility model;

FIG. 2 is a side view of a fixture for use in a soft pack battery charge-discharge test according to an embodiment of the present utility model;

fig. 3 is a schematic structural view of an upper clamping plate of a clamp for testing charge and discharge of a soft package battery according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a lower clamping plate of a clamp for testing charge and discharge of a soft battery according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of an upper and lower press sheet of a clamp for a charge and discharge test of a soft pack battery according to an embodiment of the present utility model.

In the figure: 1. an upper clamping plate; 11. pressing into tablets; 111. a pressing plate; 112. a buckle plate; 12. a pressing part; 121. a first rotation support block; 13. an opening/closing section; 131. a first slide rail; 132. a first scale line; 133. a first threaded hole; 2. a lower clamping plate; 21. tabletting; 22. a second slide rail; 23. a second graduation mark; 24. a second rotary support block; 25. a mounting hole; 26. a second threaded hole; 3. a rotating shaft; 4. a torsion spring; 5. a first elastic bolt; 6. and a second elastic bolt.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and all other embodiments obtained by those skilled in the art without making any creative effort based on the embodiments of the present utility model are included in the protection scope of the present utility model.

Referring to fig. 1 to 5, a clamp for testing charge and discharge of a soft package battery according to an embodiment of the present utility model includes an upper clamping plate 1 and a lower clamping plate 2, wherein two upper pressing plates 11 are provided on the upper clamping plate 1, two lower pressing plates 21 are provided on the lower clamping plate 2, one upper pressing plate 11 and one lower pressing plate 21 compress a positive electrode tab of the battery, and the other upper pressing plate 11 and the other lower pressing plate 21 compress a negative electrode tab of the battery; the upper clamping plate 1 is rotationally connected with the lower clamping plate 2, when one end of the upper clamping plate 1 and one end of the lower clamping plate 2 are pressed, the other ends of the upper clamping plate 1 and the lower clamping plate 2 are opened, one upper pressing piece 11 and one lower pressing piece 21 loosen the positive electrode lug of the battery, and the other upper pressing piece 11 and the other lower pressing piece 21 simultaneously loosen the negative electrode lug of the battery.

In the present utility model, the position of the upper clamping plate 1 near the middle part is rotatably connected with the position of the lower clamping plate 2 near the middle part, so that when one ends of the upper clamping plate 1 and the lower clamping plate 2 are pressed, the other ends of the upper clamping plate 1 and the lower clamping plate 2 are opened, and when the acting force applied to one ends of the upper clamping plate 1 and the lower clamping plate 2 is released, the other ends of the upper clamping plate 1 and the lower clamping plate 2 are closed. Two upper press sheets 11 are arranged on the upper clamping plate 1, two lower press sheets 21 are arranged on the lower clamping plate 2, when the other ends of the upper clamping plate 1 and the lower clamping plate 2 are close, one upper press sheet 11 of the upper clamping plate 1 and one lower press sheet 21 at the corresponding position on the lower clamping plate 2 compress the positive electrode lug of the battery, and meanwhile, the other upper press sheet 11 of the upper clamping plate 1 and the other lower press sheet 21 at the corresponding position on the lower clamping plate 2 compress the negative electrode lug of the battery, so that the clamping and positioning of the electrode lug of the battery are realized; when the other ends of the upper clamping plate 1 and the lower clamping plate 2 are opened, the two upper pressing plates 11 of the upper clamping plate 1 and the two lower pressing plates 21 of the lower clamping plate 2 are loosened by the upper plates, and therefore the battery can be detached after the test is completed.

At present, a soft package lithium ion battery test fixture is generally composed of an anode fixture and a cathode fixture which are relatively independent, and when the soft package battery is subjected to charge and discharge test in an upper cabinet, the operation of adjusting the fixture position and clamping the lug is required to be independently carried out. The relative independent design of this kind of positive negative pole ear anchor clamps must carry out both sides and presses the clamp of the positive negative pole ear of operation just can accomplish the battery and get, is unfavorable for improving the test efficiency of cell upper cabinet, in addition, presss from both sides the positive negative pole ear of getting the battery through two anchor clamps respectively, when carrying out anchor clamps position adjustment, if the position of two anchor clamps does not adjust in step, perhaps the range of adjustment is different, will cause the pulling to the positive negative pole ear of battery to the utmost point ear that makes soft packet of battery has the risk of damage.

In the utility model, two upper press sheets 11 are arranged on the upper clamping plate 1, two lower press sheets 21 are arranged on the lower clamping plate 2, and when one ends of the upper clamping plate 1 and the lower clamping plate 2 are pressed to open the other ends of the upper clamping plate 1 and the lower clamping plate 2, the two upper press sheets 11 of the upper clamping plate 1 and the two lower press sheets 21 of the lower clamping plate 2 release the positive electrode lug and the negative electrode lug of the battery simultaneously; through loosening the effort of effect on the one end of punch holder 1 and lower plate 2, when making the other end of punch holder 1 and lower plate 2 draw close, the two upper preforming 11 of punch holder 1 and the two lower preforming 21 of lower plate 2 press from both sides the anodal ear and the negative pole ear of battery simultaneously tightly to carry out the compaction or loosen of anodal negative pole ear of battery simultaneously through a anchor clamps, very big improvement the efficiency of battery installation on the charge-discharge cabinet, and reduced the risk of battery tab damage.

In this embodiment, the upper clamping plate 1 is provided with a first sliding rail 131 slidably engaged with the two upper pressing plates 11, and the lower clamping plate 2 is provided with a second sliding rail 22 slidably engaged with the two lower pressing plates 21. The upper clamping plate 1 is provided with a first sliding rail 131, the two upper pressing plates 11 are in sliding fit with the first sliding rail 131, the lower clamping plate 2 is provided with a second sliding rail 22, the two lower pressing plates 21 are in sliding fit with the second sliding rail 22, so that the two upper pressing plates 11 can move along the first sliding rail 131, the two lower pressing plates 21 can move along the second sliding rail 22, the distance between the two upper pressing plates 11 and the distance between the two lower pressing plates 21 can be adjusted according to the distance between the positive lugs and the negative lugs of the battery, and on one hand, the upper clamping plate 1 and the lower clamping plate 2 can clamp battery lugs with different sizes, so that the application range of the clamp is wider; on the other hand, the clamping position of the upper clamping plate 1 and the lower clamping plate 2 to the battery electrode lug is more accurate, so that the fixing effect of the clamp to the battery electrode lug is better, the positioning of the clamp to the battery electrode lug is more accurate, and the battery can be conveniently installed and positioned on the charging and discharging cabinet.

In this embodiment, the first sliding rails 131 are two transversely disposed on the upper clamping plate 1, the second sliding rails 22 are two transversely disposed on the lower clamping plate 2, the two first sliding rails 131 penetrate through the upper clamping plate 1, the two second sliding rails 22 penetrate through the lower clamping plate 2, the upper pressing plate 11 and the lower pressing plate 21 each comprise a pressing plate 111 and two buckling plates 112 respectively disposed on two sides of the pressing plate 111, and the two buckling plates 112 respectively penetrate through the two first sliding rails 131 or the two second sliding rails 22 and then are buckled with the upper clamping plate 1 or the lower clamping plate 2. The upper pressing sheet 11 and the lower pressing sheet 21 comprise a pressing plate 111 and two buckling plates 112, the two buckling plates 112 are respectively arranged on two sides of the pressing plate 111, two first sliding rails 131 are arranged on the upper clamping plate 1, the upper clamping plate 1 is penetrated by the two first sliding rails 131, two second sliding rails 22 are arranged on the lower clamping plate 2, and the lower clamping plate 2 is penetrated by the two second sliding rails 22.

The two buckle plates 112 penetrate through the two first sliding rails 131 or the two second sliding rails 22 respectively and then are buckled with the upper clamping plate 1 or the lower clamping plate 2, so that when the two upper pressing plates 11 are in sliding fit with the two first sliding rails 131 and the two lower pressing plates 21 are in sliding fit with the two second sliding rails 22, the two upper pressing plates 11 and the two lower pressing plates 21 are limited, and the two upper pressing plates 11 are prevented from falling off from the upper clamping plate 1, and the two lower pressing plates 21 fall off from the lower clamping plate 2.

In this embodiment, a first scale mark 132 for marking the positions of the two upper press sheets 11 is provided on one side of the first slide rail 131, and a second scale mark 23 for marking the positions of the two lower press sheets 21 is provided on one side of the second slide rail 22. The first scale line 132 is arranged on one side of the first sliding rail 131 and used for marking the positions of the two upper pressing plates 11 on the upper clamping plate 1, the second scale line 23 is arranged on one side of the second sliding rail 22 and used for marking the positions of the two lower pressing plates 21 on the lower clamping plate 2, so that the distance between the two upper pressing plates 11 and the distance between the two lower pressing plates 21 are adjusted more accurately, the clamping positions of the upper clamping plate 1 and the lower clamping plate 2 on the battery lugs are further more accurate, the fixing effect of the clamp on the battery lugs is ensured, and meanwhile, the positioning of the clamp on the battery lugs is more accurate, and the battery is convenient to install and position on a charging and discharging cabinet.

In the present embodiment, the upper plate 1 includes an opening and closing portion 13 for opening or closing with the lower plate 2, and a pressing portion 12 for opening or closing the opening and closing portion 13 with the lower plate 2, the pressing portion 12 being inclined upward at one end of the opening and closing portion 13. The upper clamping plate 1 comprises an opening and closing part 13 and a pressing part 12, wherein the pressing part 12 is obliquely arranged at one end of the opening and closing part 13 upwards, and when the pressing part 12 is pressed, the opening and closing part 13 is enabled to rotate towards the direction away from the lower clamping plate 2, so that the upper clamping plate 1 and the lower clamping plate 2 are opened, the positive and negative lugs of a battery are not pressed on the two lower clamping plates 21 of the lower clamping plate 2 any more by the two upper clamping plates 11 on the upper clamping plate 1, and the battery after the test is conveniently detached from the clamp.

When the acting force applied on the pressing part 12 is released, the opening and closing part 13 rotates towards the direction approaching to the lower clamping plate 2, so that the upper clamping plate 1 and the lower clamping plate 2 are close, the two upper pressing plates 11 on the upper clamping plate 1 press the positive and negative lugs of the battery on the two lower pressing plates 21 of the lower clamping plate 2, and the fixing of the lugs of the battery in the clamp is realized. Since the middle part of the upper clamping plate 1 is rotatably connected with the middle part of the lower clamping plate 2, it is predicted that: the upper clamping plate 1 and the lower clamping plate 2 may be opened or closed by simultaneously pressing the pressing portion 12 and the lower clamping plate 2 to separate the opening and closing portion 13 from the lower clamping plate 2, and simultaneously releasing the force applied to the pressing portion 12 and the lower clamping plate 2, the opening and closing portion 13 and the lower clamping plate 2 may be close to each other; the opening/closing portion 13 may be rotated in a direction away from the lower plate 2 by pressing only the pressing portion 12, and the opening/closing portion 13 may be rotated in a direction toward the lower plate 2 when the biasing force applied to the pressing portion 12 is released.

In practical use, the lower clamping plate 2 needs to be fixed on the charging and discharging cabinet, at this time, preferably, only the pressing part 12 is pressed, so that the upper clamping plate 1 and the lower clamping plate 2 are opened, the acting force applied on the pressing part 12 is released, so that the upper clamping plate 1 and the lower clamping plate 2 are close to each other, and the battery tab is mounted and dismounted on the clamp.

In this embodiment, the fixture further includes a rotation shaft 3 rotatably connecting the opening and closing portion 13 with the lower plate 2, and a torsion spring 4 sleeved on the rotation shaft 3, one end of the torsion spring 4 is abutted with the opening and closing portion 13, and the other end is abutted with the lower plate 2. The fixture further comprises a rotating shaft 3 and a torsion spring 4, and the opening and closing part 13 is rotationally connected with the lower clamping plate 2 through the rotating shaft 3, so that the middle part of the upper clamping plate 1 is rotationally connected with the middle part of the lower clamping plate 2. A torsion spring 4 is sleeved on the rotating shaft 3, one end of the torsion spring 4 is abutted with the opening and closing part 13, and the other end is abutted with the lower clamping plate 2.

When the pressing part 12 is pressed, the torsion spring 4 is compressed, so that the opening and closing part 13 is far away from one end connected with the pressing part 12 and rotates in the direction away from the lower clamping plate 2, and the upper clamping plate 1 and the lower clamping plate 2 are opened; when the force applied to the pressing portion 12 is released, the opening and closing portion 13 is rotated in a direction approaching the lower clamp plate 2 away from the end connected to the pressing portion 12 by the elastic force of the torsion spring 4, thereby bringing the upper clamp plate 1 and the lower clamp plate 2 together.

In this embodiment, two first rotation support blocks 121 are disposed at the bottom of the opening and closing portion 13, two second rotation support blocks 24 are disposed on the lower clamping plate 2, through holes for the rotation shaft 3 to pass through are disposed on the first rotation support blocks 121 and the second rotation support blocks 24, and the two first rotation support blocks 121 are respectively inserted into the inner sides of the two second rotation support blocks 24. The distance between the two second rotating support blocks 24 arranged at the top of the lower clamping plate 2 is larger than the distance between the two first rotating support blocks 121 arranged at the bottom of the opening and closing part 13, so that when the upper clamping plate 1 and the lower clamping plate 2 are installed, the two first rotating support blocks 121 can be respectively inserted into the inner sides of the two second rotating support blocks 24, and then the rotating shaft 3 sequentially penetrates through the through hole on one second rotating support block 24, the through hole on one first rotating support block 121, the through hole on the other first rotating support block 121 and the through hole on the other second rotating support block 24, so that the rotating connection between the middle part of the upper clamping plate 1 and the middle part of the lower clamping plate 2 is realized.

The two first rotating support blocks 121 are inserted between the two second rotating support blocks 24, so that when the rotating shaft 3 rotates and connects the upper clamping plate 1 and the lower clamping plate 2, the two second rotating support blocks 24 limit the two first rotating support blocks 121 respectively, and when the pressing part 12 is pressed or the acting force on the pressing part 12 is released, the upper clamping plate 1 opens or closes on the lower clamping plate 2 more stably, so that the structure stability of the clamp is stronger, and the positioning effect on battery lugs is better.

In this embodiment, the fixture further comprises a mounting bolt for fixing the lower clamping plate 2 on the charging and discharging cabinet, the lower clamping plate 2 is provided with a mounting hole 25, and one end of the mounting bolt penetrates through the mounting hole 25 and is in threaded connection with the charging and discharging cabinet. The lower clamping plate 2 is provided with a mounting hole 25, and when the battery is charged and discharged, the mounting hole 25 is penetrated through by a mounting bolt and then is in threaded connection with a charging and discharging cabinet, and the lower clamping plate 2 is fixed on the charging and discharging cabinet, so that the clamp is mounted on the charging and discharging cabinet; then, the pressing part 12 of the upper clamping plate 1 is pressed to open the upper clamping plate 1 and the lower clamping plate 2; then, the positive and negative lugs of the battery are placed between the upper clamping plate 1 and the lower clamping plate 2; finally, the acting force applied to the pressing part 12 is released, so that the upper clamping plate 1 and the lower clamping plate 2 are close, the upper pressing plate 11 and the lower pressing plate 21 press the positive electrode lug of the battery, and the other upper pressing plate 11 and the other lower pressing plate 21 press the negative electrode lug of the battery, so that the installation and positioning operation of the battery on the charging and discharging cabinet is realized.

Since the buckle plates 112 on both sides of the lower pressing plate 21 penetrate through the two second sliding rails 22 respectively and then are buckled with the lower clamping plate 2, the bottom plane of the buckle plates 112 exceeds the bottom plane of the lower clamping plate 2, and it is expected that: when the mounting bolt fixes the lower clamping plate 2 on the charging and discharging cabinet, the bottom plane of the lower clamping plate 2 is not attached to the top plane of the charging and discharging cabinet, but the bottom of the lower clamping plate 2 needs to be lifted away from the top of the charging and discharging cabinet by a certain distance, so that the buckle plates 112 on two sides of the lower pressing plate 21 respectively penetrate through the two second sliding rails 2, and after being buckled with the lower clamping plate 2, the lower pressing plate 21 can move along the second sliding rails 22. Specific embodiments may be: set up the cushion between the top of charge-discharge cabinet and the bottom of lower plate 2, lift off the top plane of charge-discharge cabinet with the position that second slide rail 2 was seted up to lower plate 2 to the buckle 112 bottom of messenger's lower preforming 21 both sides does not produce the interference with the top of charge-discharge cabinet, guarantees that lower preforming 21 can remove along second slide rail 22.

In this embodiment, the clamp further comprises a tightening device for fixing or releasing the upper press piece 11 and the lower press piece 21. Before the positive and negative lugs of the battery are pressed by the clamp, the positions of the two upper pressing sheets 11 and the two lower pressing sheets 21 are accurately adjusted according to the distance between the positive and negative lugs of the battery and the fixed position of the battery on the charging and discharging cabinet through the first scale mark 132 on one side of the first sliding rail 131 and the second scale mark 23 on one side of the second sliding rail 22. In order to prevent the positions of the two upper press sheets 11 and the two lower press sheets 21 from shifting under the condition of error collision after the position adjustment of the two upper press sheets 11 and the two lower press sheets 21 is finished, the positioning accuracy of the clamp to the battery tab is affected, and therefore, an elastic device is further arranged in the utility model.

When the positions of the two upper press sheets 11 and the two lower press sheets 21 need to be adjusted, the two upper press sheets 11 and the two lower press sheets 21 are loosened through an elastic device, so that the two upper press sheets 11 can move transversely along the first sliding rail 131, and the two lower press sheets 21 can move transversely along the second sliding rail 22; after the position adjustment of the two upper press sheets 11 and the two lower press sheets 21 is finished, the positions of the two upper press sheets 11 and the two lower press sheets 21 are fixed through the elastic device, so that the clamp can accurately position the battery lugs.

In this embodiment, a plurality of first threaded holes 133 are axially disposed at one side end of the upper clamping plate 1, the first threaded holes 133 are used for communicating a first sliding rail 131 with the outside, a plurality of second threaded holes 26 are axially disposed at one side end of the lower clamping plate 2, the second threaded holes 26 are used for communicating a second sliding rail 22 with the outside, and the tightening device comprises two first tightening bolts 5 respectively screwed with the two first threaded holes 133, and two second tightening bolts 6 respectively screwed with the two second threaded holes 26. A plurality of first threaded holes 133 are axially formed in one side end of the upper clamping plate 1, the first threaded holes 133 are equidistantly formed, and the first threaded holes 133 are communicated with the outside through a first sliding rail 131 close to one side end of the upper clamping plate 1. A plurality of second threaded holes 26 are axially formed in one side end of the lower clamping plate 2, the second threaded holes 26 are equidistantly formed, and the second threaded holes 26 are used for communicating one second sliding rail 22 close to one side end of the lower clamping plate 2 with the outside.

In the utility model, the elastic device comprises two first elastic bolts 5 and two second elastic bolts 6, when one ends of the two first elastic bolts 5 are respectively connected with two first threaded holes 133 in a screwed manner from the outer side, and the ends of the two first elastic bolts are respectively connected with two upper press sheets 11 in an abutting manner, the two upper press sheets 11 are fixed, and when one ends of the two second elastic bolts 6 are respectively connected with two second threaded holes 26 in a screwed manner from the outer side, the ends of the two second elastic bolts are respectively connected with two lower press sheets 21 in an abutting manner, the two lower press sheets 21 are fixed; when the two first elastic bolts 5 are respectively connected with the two first threaded holes 133 in a screwed manner, the two upper press sheets 11 are loosened when the end parts are not connected with the two upper press sheets 11 in an abutting manner, the two second elastic bolts 6 are respectively connected with the two second threaded holes 26 in a screwed manner, and the two lower press sheets 21 are loosened when the end parts are not connected with the two lower press sheets 21 in an abutting manner.

After the position adjustment of the two upper press sheets 11 and the two lower press sheets 21, the first elastic bolt 5 is in threaded connection with the first threaded hole 133 at the different axial positions, and the second elastic bolt 6 is in threaded connection with the second threaded hole 26 at the different axial positions, so that after the two first elastic bolts 5 penetrate through the two first threaded holes 133, the end parts can be abutted with the two upper press sheets 11, and after the two second elastic bolts 6 penetrate through the two second threaded holes 26, the end parts can be abutted with the two lower press sheets 21, thereby realizing the fixation of the two upper press sheets 11 on the upper clamping plate 1 and the two lower press sheets 21 at different positions on the lower clamping plate 2.

The above description may be implemented alone or in various combinations and these modifications are within the scope of the present utility model.

Claims (10)

1. A anchor clamps for soft packet of battery charge-discharge test, its characterized in that: the battery anode lug pressing device comprises an upper clamping plate (1) and a lower clamping plate (2), wherein two upper pressing plates (11) are arranged on the upper clamping plate (1), two lower pressing plates (21) are arranged on the lower clamping plate (2), one upper pressing plate (11) and one lower pressing plate (21) press a battery anode lug, and the other upper pressing plate (11) and the other lower pressing plate (21) press a battery anode lug; the upper clamping plate (1) is rotationally connected with the lower clamping plate (2), when the upper clamping plate (1) and one end of the lower clamping plate (2) are pressed, the upper clamping plate (1) and the other end of the lower clamping plate (2) are opened, one upper pressing plate (11) and one lower pressing plate (21) are used for loosening the positive electrode lug of the battery, and the other upper pressing plate (11) and the other lower pressing plate (21) are used for simultaneously loosening the negative electrode lug of the battery.

2. A fixture for testing the charge and discharge of a soft pack battery as recited in claim 1, wherein: the upper clamping plate (1) is provided with a first sliding rail (131) which is in sliding fit with the two upper pressing plates (11), and the lower clamping plate (2) is provided with a second sliding rail (22) which is in sliding fit with the two lower pressing plates (21).

3. A fixture for testing the charge and discharge of a soft pack battery as recited in claim 2, wherein: the first sliding rails (131) are two transversely arranged on the upper clamping plate (1), the second sliding rails (22) are two transversely arranged on the lower clamping plate (2), the first sliding rails (131) penetrate through the upper clamping plate (1), the second sliding rails (22) penetrate through the lower clamping plate (2), the upper pressing plate (11) and the lower pressing plate (21) respectively comprise a pressing plate (111) and two buckling plates (112) which are respectively arranged on two sides of the pressing plate (111), and the two buckling plates (112) respectively penetrate through the two first sliding rails (131) or the two second sliding rails (22) and then are connected with the upper clamping plate (1) or the lower clamping plate (2) in a buckling mode.

4. A fixture for testing the charge and discharge of a soft pack battery as recited in claim 3, wherein: one side of the first sliding rail (131) is provided with a first scale mark (132) for marking the positions of the two upper pressing sheets (11), and one side of the second sliding rail (22) is provided with a second scale mark (23) for marking the positions of the two lower pressing sheets (21).

5. A fixture for testing the charge and discharge of a soft pack battery as recited in claim 1, wherein: the upper clamping plate (1) comprises an opening and closing part (13) used for opening or closing with the lower clamping plate (2), and a pressing part (12) used for enabling the opening and closing part (13) to open or close with the lower clamping plate (2), wherein the pressing part (12) is obliquely arranged at one end of the opening and closing part (13) in an upward inclined mode.

6. A fixture for testing the charge and discharge of a soft pack battery as recited in claim 5, wherein: the clamp further comprises a rotating shaft (3) which is used for rotating and connecting the opening and closing part (13) with the lower clamping plate (2), and a torsion spring (4) which is sleeved on the rotating shaft (3), one end of the torsion spring (4) is abutted to the opening and closing part (13), and the other end of the torsion spring is abutted to the lower clamping plate (2).

7. A fixture for testing the charge and discharge of a soft pack battery as recited in claim 6, wherein: the bottom of the opening and closing part (13) is provided with two first rotating support blocks (121), the lower clamping plate (2) is provided with two second rotating support blocks (24), the first rotating support blocks (121) and the second rotating support blocks (24) are respectively provided with through holes for the rotating shaft (3) to penetrate, and the two first rotating support blocks (121) are respectively inserted into the two second rotating support blocks (24).

8. A fixture for testing the charge and discharge of a soft pack battery as recited in claim 1, wherein: the clamp further comprises a mounting bolt used for fixing the lower clamping plate (2) on the charging and discharging cabinet, a mounting hole (25) is formed in the lower clamping plate (2), and one end of the mounting bolt penetrates through the mounting hole (25) and is in threaded connection with the charging and discharging cabinet.

9. A fixture for testing the charge and discharge of a soft pack battery as recited in claim 4, wherein: the clamp further comprises a tightening device for fixing or loosening the upper pressing piece (11) and the lower pressing piece (21).

10. A fixture for testing the charge and discharge of a soft pack battery as recited in claim 9, wherein: the upper clamping plate (1) is axially provided with a plurality of first threaded holes (133) at one side, the first threaded holes (133) are used for communicating one first sliding rail (131) with the outside, a plurality of second threaded holes (26) are axially formed in one side of the lower clamping plate (2), the second threaded holes (26) are used for communicating one second sliding rail (22) with the outside, and the loosening and tightening device comprises two first loosening and tightening bolts (5) which are respectively in threaded connection with the two first threaded holes (133), and two second loosening and tightening bolts (6) which are respectively in threaded connection with the second threaded holes (26).