CN208014835U - A kind of battery hot pressing battery formation clamp using double cylinder independent control pressure - Google Patents

Abstract

The utility model is related to a kind of battery hot pressing battery formation clamps using double cylinder independent control pressure, including at least two Level Promoting formula cylinders, stress pressing unit, up and down adjustment unit, cylinder piston rod connects a push plate and applies horizontal thrust to battery laminate position by push plate simultaneously；Stress pressing unit includes movable pressing board, several laminate axis and kidney-shaped sliding sleeve, and the adjusting gap for making kidney-shaped slide over generation radial displacement in sliding process is formed between kidney-shaped sliding sleeve and every root layer board shaft.The utility model is on the basis of battery hot-pressing fixture realization battery disposable pan feeding, it can be ensured that battery core uniform force is conducive to shorten the feeding time, and can be adjusted according to the Dimensions of battery core, improves the degree of automation of cell production process；For the battery core of different size, battery laminate can be made to make the adjusting with suitability in real time, make the battery core of different-thickness respectively can be by uniform pressure, to ensure battery processing quality.

Description

A kind of battery hot pressing battery formation clamp using double cylinder independent control pressure

Technical field

The utility model is related to Battery formation technical field more particularly to a kind of electricity using double cylinder independent control pressure Pond hot pressing battery formation clamp.

Background technology

Currently, in existing flexible packing lithium ion battery production technology, the formation process of battery is to use vertical space The vertical battery formation clamp of design, equipment acquisition cost is higher, and this close a kind of equipment is both needed to corresponding operation people Member's operation, human cost is very high, makes operator's great work intensity, and material loss rate is high, every using this processing method Cause production efficiency low, cannot be satisfied the requirement of mass automatic production.

Vertical battery formation clamp further includes in the problem of production process, and when operation, battery often needs in layer Be put on laminate, can not disposable pan feeding, time-consuming, quantity is few；Meanwhile existing battery formation clamp uses single screw to pressure plate Force, causes cell thickness uneven and generates certain open defect, finally cause serious shadow to the performance of battery It rings.

Those skilled in the art to the known technology defect of existing battery hot pressing battery formation clamp send out after selective analysis Existing, existing battery formation clamp is exerted a force using pressure plate, and the collocation degree processed to battery is relatively low, and major embodiment is both ways：

First, in the case of the battery core size difference processed, when being pushed to battery core using pushing equipment, Battery core center and fixture force application center are inconsistent.

Secondly as there are cumulative errors for two rows of battery core thickness on fixture, so when also resulting in clamp pressing battery core, The stress of two rows of battery cores is inconsistent, and at this moment, compression battery core is also required to make real-time, effective, square relative to the depressed position of pressing plate Just the adjusting with certain suitability.Currently, the art there is no the technological means for overcoming these factors, thus, it is existing Equipment be easy to cause battery be pressurized it is uneven, also cannot be satisfied the compression demand of different batteries, in addition, hot pressing completion after, When taking out battery, the stability of laminate is insufficient.

In conclusion the utility model is exactly on the basis of existing known technology, in conjunction with the verification of practical application, to same Product structure in one technical field proposes that the technical solution further researched and developed with designed, the technical solution that these are proposed are complete It can solve the problems, such as solution and raising of the existing technology, while be also beneficial to numerous technical problems of same technical field The expansibility of technical solution.

Utility model content

For disadvantages described above, the utility model provides a kind of battery hot pressing chemical conversion folder using double cylinder independent control pressure Tool, can shorten feeding time and battery production period, make battery stress evenly, can be adjusted according to the Dimensions of battery The height and position of whole, adjustable batteries processing is more stablized when it is advantageously ensured that taking out battery, while solving all of the prior art It is mostly insufficient.

To achieve the above object, the utility model uses following technical scheme：

A kind of battery hot pressing battery formation clamp using double cylinder independent control pressure has horizontally disposed rack Body and several vertical battery laminates are uniformly distributed along Rack Body length direction inside the Rack Body, each two is adjacent Battery laminate between form two stations for battery to be clamped, the battery hot-pressing fixture includes：

At least two Level Promoting formula cylinders are set to along the Rack Body length direction on the outside of the Rack Body, Piston rod connects a push plate and applies horizontal thrust to battery laminate position by the push plate simultaneously；

Stress pressing unit, including be set between the push plate and the battery laminate movable pressing board, along described Several laminate axis of Rack Body length direction setting and the kidney-shaped slided along the laminate axis together with the movable pressing board Sliding sleeve forms between the kidney-shaped sliding sleeve and every root layer board shaft and generates radial position in sliding process for making the kidney-shaped slide over The adjusting gap of shifting；

Up and down adjustment unit, include adjustment axis for carrying each battery laminate and make the adjustment axis be lifted or The rotary screw of decline.

Further include following any one for the additional structure of above technical scheme：

The battery hot-pressing fixture further includes several shaft assemblies being set on the battery laminate adjacent with movable pressing board；

Correspondingly, each shaft assembly passes through the open-work on movable pressing board surface, and shaft assembly outer end is cased with damping spring.

Further, the damping spring inner end has a flexible block and makes the flexible block and movable pressing board appearance Face is in contact.

For having the technical solution of any one additional structure above, further include：

The back seat rack of the Rack Body carries pressure sensor；

For up and down adjustment unit, each lead screw is installed in corresponding fluctuating orbit, and the end of the adjustment axis is equipped with The axle bed of oscilaltion can be carried out in fluctuating orbit；

Correspondingly, the axle bed connect with the nut of lead screw and by the convert rotational motion of lead screw be axle bed it is vertical on Lower movement.

In addition, having height identification on Rack Body on the outside of the fluctuating orbit.

The utility model has the beneficial effect that：

(1) on the basis of battery hot-pressing fixture realization battery disposable pan feeding, it can be ensured that when movable pressing board force squeezes, Ensure battery core uniform force, is conducive to shorten the feeding time, and can be adjusted according to the Dimensions of battery core, improves battery The degree of automation of production process；

(2) in the case of battery or different battery core size dimension, up and down adjustment unit can be used in laminate adjustment axis Lower lifting makes battery core center be consistent with fixture force application center, to realize electricity to the height and position of regulating cell laminate Core uniform force；

(3) for the battery component of same batch, there may be the case where thickness deviation, it, can by the way that kidney-shaped sliding sleeve is arranged So that battery laminate is made the adjusting with suitability in real time, make the battery core of different-thickness respectively can by uniform pressure, To ensure battery processing quality；

(3) up and down adjustment unit can be used to laminate adjustment axis oscilaltion, to the relative position of regulating cell laminate, Meet the battery production demand for adapting to different size；

(4) stability for being conducive to improve battery laminate and movable pressing board when taking out battery, is unlikely in movable pressing board Fierce rebound is generated when return；

(5) current multiple battery cores are carried out at the same time with the technology of hot pressing, which plays different work( Can, fill up the blank in the field.

Description of the drawings

The utility model is described in further detail below according to attached drawing.

Fig. 1 is the vertical of the battery hot pressing battery formation clamp using double cylinder independent control pressure described in the utility model embodiment Body schematic diagram one；

Fig. 2 is the vertical of the battery hot pressing battery formation clamp using double cylinder independent control pressure described in the utility model embodiment Body schematic diagram two；

Fig. 3 is the vertical of the battery hot pressing battery formation clamp using double cylinder independent control pressure described in the utility model embodiment Body schematic diagram three；

Fig. 4 is the up and down adjustment unit partial schematic diagram of battery hot-pressing fixture described in the utility model embodiment；

Fig. 5 is that the sliding sleeve of battery hot pressing battery formation clamp described in the utility model embodiment matches schematic diagram with laminate axis.

In figure：

1, preceding seat support；2, Level Promoting formula cylinder；3, push plate；4, stress pressing unit；5, up and down adjustment unit；6, it presses Force snesor；7, battery laminate；8, battery；9, shaft assembly；10, damping spring；11, clamp assemblies；

41, movable pressing board；42, laminate axis；43, sliding sleeve；

51, regulating wheel；52, down-feed screw；53, laminate adjustment axis；54, height identification；55, loose slot；56, lift rail Road；57, axle bed.

Specific implementation mode

Embodiment one

As shown in Figs. 1-5, the battery hot pressing of the double cylinder independent control pressure of the use described in the utility model embodiment one Battery formation clamp, the purpose to be realized of the technological means implemented are, solve conventional batteries hot pressing battery formation clamp by being processed Battery core thickness difference caused by pressurize discontinuity the problem of, while solving the technical problem, should ensure together The battery core of batch different-thickness respectively can will also be ensured that battery core can be pushed away by from pushing equipment by uniform pressure Press the uniform thrust of component.Thus, the battery hot-pressing fixture that the utility model is implemented, which includes setting one first, can implement entirely The horizontally arranged Rack Body of technical solution, the Rack Body include preceding seat support 1 and back seat rack, make battery hot-pressing fixture Agent structure is set between former and later two holders, since battery core is the component of battery, hereafter referred to collectively as battery or battery component.

Preliminary analysis is carried out for the battery hot-pressing fixture structure of arrangement above：

Along Rack Body length direction several laminate axis disposed in parallel between the preceding seat support 1 implemented and back seat rack 42, on position relationship, it is preferred to use in Rack Body both sides, the structure of two root layer board shafts 42 one on the other is respectively set, Two root layer board shafts, 42 height in top is identical, and two root layer board shafts, 42 height being below is also identical, per root layer board shaft 42 Both ends are separately fixed at preceding seat support 1, the respective surface of back seat rack, to form a horizontal cuboid chucking appliance system, Inside the chucking appliance system several vertical battery laminates 7 for battery 8 to be clamped are packed into along Rack Body length direction；Due to battery Upper and lower ends of the laminate 7 per side carry fixed shaft hole, thus, each battery laminate 7 can pass through four mounting holes of itself It is fixedly connected with four laminate adjustment axis 53, and makes battery laminate 7 that can be generated centainly along laminate adjustment axis 53 when being pressurized The sliding of distance, the aperture of each fixed shaft hole are more than the diameter of laminate adjustment axis 53, to make laminate adjustment axis 53 and fix Certain free gap is formed between axis hole；Accordingly, due to laminate adjustment axis 53 pass is connect with the position of vertical battery laminate 7 System, if height is different where laminate adjustment axis 53, height is also different where battery laminate 7；

Correspondingly, both sides are respectively formed a processed clip inside chucking appliance system between each two adjacent battery laminate 7 Station is held, to make to be formed two row stations inside chucking appliance system, each station has corresponding clamp assemblies 11 in order to wait for The battery 8 of processing is clamped on corresponding station, waits for hot pressing process.

The battery hot-pressing fixture structure of arrangement above is further analyzed in conjunction with working method：

The preceding seat support 1 implemented installs two Level Promoting formula cylinders 2 side by side, to form two cylinder arrangement, this electricity Pond hot-pressing fixture makes battery 8 by hot pressing using the synchronous force of two Level Promoting formula cylinders 2, is embodied as：

The outer end pushing parts of the two Level Promoting formula cylinders 2 implemented is equipped with a push plate 3 jointly, 3 back side of push plate with The movable pressing board 41 of stress pressing unit 4 is in close contact, and when Level Promoting formula cylinder 2 exerts a force, outer end pushing part directly pushes away Dynamic push plate 3, since the movable pressing board 41 implemented is separately fixed at implemented four using rectangular configuration and its four corners In root layer board shaft 42, to enable movable pressing board 41 when being pushed by push plate 3 on laminate axis 42 generate along rack body length Displacement on direction；Further, due to being acted on by the pressure transmission in horizontal direction, i.e., push plate 3 is by Level Promoting formula After the top pressure of cylinder 2, push plate 3 continues to apply pressure to movable pressing board 41 and keeps it in place to 7 institute of battery laminate in the horizontal direction It sets and is squeezed, four root layer board shafts 42 at this time are equivalent to for carrying 41 movable track of movable pressing board, in the electricity processed 8 thickness of pond is identical, 7 thickness of battery laminate is identical and cylinder thrust it is identical in the case of, in course of exerting pressure, make each station 8 uniform force of battery.

With the structure between top plate axis 42 and movable pressing board 41 be only applicable to 8 thickness of battery it is identical in the case of, if depositing The different process requirements of 8 thickness of battery clamped by the battery laminate 7 of two rows, for example, the thickness of a line is partially thick, Ling Yihang Thickness it is partially thin, then 8 uniform force of battery of each station is unable to ensure, the reason is that, the larger battery 8 of thickness can be right at its Two 7 stations of battery laminate answered are clamped according to normal pressure, then are used to be clamped two battery clamping plates 7 of same battery 8 Between distance fix；But since thrust is identical, for other a line, the adjacent a piece of phase of larger battery 8 with the above thickness The battery 8 of thinner thickness is synchronized after squeezing, the distance between two battery laminates 7 are still thickness compared with big battery 8 Thickness, to make the battery 8 of thinner thickness that can not be clamped between two battery clamping plates 7, in some instances it may even be possible to squeeze less than, be in State that two battery laminates 7 have just contacted or between one of battery laminate 7 there are states such as certain gaps, Cause battery 8 process it is in uneven thickness and there are larger product defects.

In view of the foregoing, the utility model is used sets movable pressing board 41 with per 42 fixed position of root layer board shaft respectively A kidney-shaped sliding sleeve 43 is set, when making movable pressing board 41 by thrust, each kidney-shaped sliding sleeve 43 generates sliding along corresponding laminate axis 42, Due to 43 features of shape of kidney-shaped sliding sleeve, in position, corresponding laminate axis 42 forms certain activity in 43 inside of kidney-shaped sliding sleeve Space, that is, there is the adjusting gap relative to kidney-shaped sliding sleeve 43 in the periphery of axis, when placement different-thickness in battery laminate 7 Battery when, movable pressing board 41 pushes battery laminate 7, is influenced by clamped different-thickness battery 8, sliding sleeve 43 is in corresponding layer Radial displacement is generated by the gap that adjusts between laminate axis 42 in board shaft 42, generated radial displacement is for adaptive Ground adjusts the uniform force degree because of different thin thickness batteries 8, and corresponding battery laminate 7 also produces centainly in pushing course Angle of inclination, the battery 8 of thinner thickness is clamped in being equally applied in uniform thrust on its 7 station of battery laminate, at this In the case of kind, the battery 8 of different-thickness is made to realize the mode of automatic adaptation.

Embodiment two

As shown in Figs. 1-5, the battery hot pressing of the double cylinder independent control pressure of the use described in the utility model embodiment two Battery formation clamp, is the supplement carried out on the basis of embodiment one, belongs to the same design with the technical solution of embodiment one, On the basis of solving the problems, such as relevant art, needing to properly increase different processing between battery laminate, battery and movable pressing board needs Collocation degree under asking, the technological means of embodiment one it has already been indicated that due to laminate adjustment axis 53 and vertical battery laminate 7 position Connection relation, if height is different where laminate adjustment axis 53, height is also different where battery laminate 7, thus, for this knot Structure can realize the upper and lower of adjustable 7 height of battery laminate between the fixed part between every root layer plate adjustment axis 53 and Rack Body Unit 5, the adjustment of 7 height of battery laminate are adjusted, that is, 8 position of battery has carried out corresponding adjustment, so as to Meet different process requirements.

Specific implementation mode is：

Each 5 use 52 structure of down-feed screw (detail position can refer to Fig. 3 and Fig. 4) of up and down adjustment unit, every Down-feed screw 52 from top to bottom increases across the preceding seat support 1 at place or back seat rack and in corresponding rack surface vertical together Straight fluctuating orbit 56, in order to enable the axle bed 57 of every 53 end of root layer plate adjustment axis is upper in the fluctuating orbit 56 to glide It is dynamic, common knowledge is then belonged to for the operation principle of lead screw, the nut for passing through nut seat and lead screw according to a passive workpiece Connection can be by the linear motion that the convert rotational motion is passive workpiece, in the present embodiment two, often then when lead screw rotates A down-feed screw 52 can make 57 oscilaltion of axle bed of its corresponding fluctuating orbit 56 when rotating, to make axle bed 57 consolidate Fixed laminate adjustment axis 53 realizes the lift adjustment of height, also just meets battery laminate 7 and battery 8 carries out suitability processing Lift in height regulatory demand.

Correspondingly, it includes the regulating wheel 51 of its end to make the component that down-feed screw 52 rotates；

It is needed across movable pressing board 41 accordingly, due to every root layer plate adjustment axis 53 and then is fixed on corresponding axle bed On 57, thus, the loose slot 55 passed through for laminate adjustment axis 53 is added in 41 corresponding position of movable pressing board, the loose slot 55 Without being limited by position when size range will meet the up and down adjustment of the progress certain altitude of laminate adjustment axis 53.

Obviously, since realizing the adjusting of 53 height of laminate adjustment axis, then it is necessary to implementing certain height identification 54, seat support 1 or back seat rack before the enforcing location of the height identification 54 is preferably provided at where corresponding fluctuating orbit 56 Outer surface can compare height identification 54 to observe the laminate adjustment axis 53 in fluctuating orbit 56 when laminate adjustment axis 53 lifts Height where shaft end, used height identification 54 include but not limited to graduated scale.

Other corresponding technical characteristics that the present embodiment two is implemented can refer to the relevant art hand that embodiment one is implemented Section or on the basis of be correspondingly improved, details are not described herein again.

Embodiment three

As shown in Figs. 1-5, the battery hot pressing of the double cylinder independent control pressure of the use described in the utility model embodiment three Battery formation clamp is the supplement carried out on the basis of embodiment one or embodiment two, the technology with embodiment one and embodiment two Scheme belongs to the same design, and the stability of battery taking and placing, particular technique are improved on the basis of solving the problems, such as relevant art Means include：Shaft assembly is fixedly installed in the one side of facing movament pressing plate 41 in the battery laminate 7 adjacent with movable pressing board 41 respectively 9, each wherein one end of shaft assembly 9 is fixedly connected on 7 surface of battery laminate, and the other end then passes through 41 surface of movable pressing board to use In the open-work of installation shaft assembly 9, shaft assembly 9 is set to be in the space between preceding seat support 1 and movable pressing board 41, due to each axis The outer end of component 9 is cased with damping spring 10,10 inner end of each damping spring there is a flexible block and make the flexible block with 41 outer surface of movable pressing board is in contact, and when Level Promoting formula cylinder 2 is pulled back, movable pressing board 41 and battery laminate 7 are also together Return is carried out to close to the direction of preceding seat support 1, battery laminate 7 is detached with the battery 8 of clamping so that the battery 8 of gripping Facilitate taking-up, by the setting of damping spring 10, movable pressing board 41 touches flexible block after return, and flexible block extruding subtracts Spring 10 is shaken, to which the stability of battery laminate 7 and movable pressing board 41 when taking-up battery 8 can be improved, is unlikely to generate fierce Rebound.

Other corresponding technical characteristics that the present embodiment three is implemented can refer to embodiment one, embodiment two is implemented Relevant art means or on the basis of be correspondingly improved, details are not described herein again.

May also be combined with design requirement in application and further expand, the utility model can also implement Rack Body back seat branch Frame outer surface is fixed according to different use demands and pressure sensor 6 is housed, and is conducive to detect pressure size, when pressure is excessive or When too small, convenient for setting pressure.

In addition, for cooperation hot pressing effect, the utility model can also be in the battery laminate 7 that movable pressing board 41 is in direct contact with it Between increase thermal insulation layer, for example, thermal insulation board etc. can be used, alternatively, by the way that the modes such as thermal isolation film are arranged on 41 surface of movable pressing board.

In the description of this specification, it is somebody's turn to do if the descriptions such as term " the present embodiment one ", " specific implementation " occur and meaning to combine Embodiment or the particular features, structures, materials, or characteristics of example description are contained at least the one of the utility model or utility model In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment Or example；Moreover, described particular features, structures, materials, or characteristics can be in any one or more embodiments or example In combine in a proper manner.

In the description of this specification, term " connection ", " installation ", " fixation ", " setting ", " having " etc. do broad sense reason Solution, for example, " connection " may be a fixed connection or pass through intermediate module on the basis of not influencing parts relationship with technique effect Indirectly carry out, can also be integrally connected or part connect, such as herewith example situation for those of ordinary skills, Concrete meaning of the above-mentioned term in the utility model or utility model can be understood as the case may be.

The above-mentioned description to embodiment is for the ease of those skilled in the art it will be appreciated that and using this Case technology, person skilled in the art obviously can make various modifications to these examples easily, and described herein one As principle be applied in other embodiments without having to go through creative labor.Therefore, this case is not limited to above example, for The modification of several situations below, all should be in the protection domain of this case：1. based on technical solutions of the utility model and tying The new technical solution that existing common knowledge is implemented is closed, technique effect is not departing from this caused by the new technical solution Except utility model technique effect, for example, the technical side being combined using double cylinder drive components, movable pressing board and laminate axis Case is applied to other battery production equipments；2. being replaced to the equivalent of Partial Feature of technical solutions of the utility model using known technology Change, generated technique effect is identical as the utility model technique effect, for example, by the members such as push plate, movable pressing board into Row equivalence replacement；3. carrying out to expand based on technical solutions of the utility model, the substantive content of the technical solution after expansion Except technical solutions of the utility model；4. equivalent change made based on the specification and figures of the utility model It changes, is directly or indirectly used in other related technical areas.

Claims (10)

1. a kind of battery hot pressing battery formation clamp using double cylinder independent control pressure has horizontally disposed Rack Body And several vertical battery laminates are uniformly distributed along Rack Body length direction inside the Rack Body, it is each two adjacent Two stations for battery to be clamped are formed between battery laminate, which is characterized in that the battery hot-pressing fixture includes：

At least two Level Promoting formula cylinders are set to along the Rack Body length direction on the outside of the Rack Body, piston Bar connects a push plate and applies horizontal thrust to battery laminate position by the push plate simultaneously；

Stress pressing unit, including be set between the push plate and the battery laminate movable pressing board, along the rack Several laminate axis of body length direction setting and the kidney-shaped cunning slided along the laminate axis together with the movable pressing board Set forms between the kidney-shaped sliding sleeve and every root layer board shaft and generates radial displacement in sliding process for making the kidney-shaped slide over Adjusting gap；

Up and down adjustment unit includes adjustment axis for carrying each battery laminate and the adjustment axis is made to be lifted or decline Rotary screw.

2. the battery hot pressing battery formation clamp according to claim 1 using double cylinder independent control pressure, it is characterised in that： The battery hot-pressing fixture further includes several shaft assemblies being set on the battery laminate adjacent with movable pressing board.

3. the battery hot pressing battery formation clamp according to claim 2 using double cylinder independent control pressure, it is characterised in that： Each shaft assembly passes through the open-work on movable pressing board surface, and shaft assembly outer end is cased with damping spring.

4. the battery hot pressing battery formation clamp according to claim 3 using double cylinder independent control pressure, it is characterised in that： The damping spring inner end has a flexible block and the flexible block is made to be in contact with movable pressing board outer surface.

5. the battery hot pressing battery formation clamp of double cylinder independent control pressure is used according to claim 1-4 any one of them, It is characterized in that：The back seat rack of the Rack Body carries pressure sensor.

6. the battery hot pressing battery formation clamp of double cylinder independent control pressure is used according to claim 1-4 any one of them, It is characterized in that：Each lead screw is installed in corresponding fluctuating orbit, and the end of the adjustment axis is equipped with and can be carried out in fluctuating orbit The axle bed of oscilaltion.

7. the battery hot pressing battery formation clamp according to claim 6 using double cylinder independent control pressure, it is characterised in that： The axle bed connects with the nut of lead screw and the vertical up-or-down movement by the convert rotational motion of lead screw for axle bed.

8. the battery hot pressing battery formation clamp according to claim 6 using double cylinder independent control pressure, it is characterised in that： There is height identification on Rack Body on the outside of the fluctuating orbit.

9. the battery hot pressing battery formation clamp according to claim 1 using double cylinder independent control pressure, it is characterised in that： The loose slot passed through for adjustment axis is added on the movable pressing board surface.

10. the battery hot pressing battery formation clamp according to claim 1 using double cylinder independent control pressure, feature exists In：There are clamp assemblies between each two adjacent battery laminate.