CN208060205U - A kind of sampler for the test of electrodes of lithium-ion batteries surface density - Google Patents

Abstract

The utility model provides a kind of sampler for the test of electrodes of lithium-ion batteries surface density, it includes rack, mobilizable punch is installed in rack, driving part is also installed in rack, punch connects driving part, it is movable that punch is driven back and forth by driving part, and pole piece is located at the bottom of punch.The utility model improves work efficiency compared to the prior art, reduces waste of material, reduces operation difficulty, and reduces the risk that pole piece fold is scrapped.

Description

A kind of sampler for the test of electrodes of lithium-ion batteries surface density

Technical field

The utility model is related to field of lithium ion battery, close for electrodes of lithium-ion batteries face in particular to one kind Spend the sampler of test.

Background technology

Cell size coating is the next process after the completion of preparing slurry, and the main purpose of this process is by stability Good, viscosity is good and the slurry of good fluidity is uniformly coated on positive and negative anodes collector, then passes through solvent in drying removing slurry. Among these, the surface density uniformity of active material has great importance to lithium battery when control coating, or even some external lithiums Battery Plant thinks that the technique is more than 30% in the entire production technology of lithium battery to the qualitative effects degree of product, is entirely to produce Most important link in technique.

In coating process, quality department carry out surface density by hand examine when, sampling process needs coating machine to shut down, with blade every Disconnected pole piece sampling, takes and pole piece is clung with adhesive tape again, could continue to be coated with.The major defect of current this sampling method exists In：

1) sampling process needs, by cutting off-sampling-process bonded, it is small to one to expend about half an hour time When, influence working efficiency；

2) sampling amount is difficult to control, and be easy to cause the waste of material；

3) it needs adhesive tape extremely smooth after pole piece bonding, otherwise be easy to cause the fold of follow-up pole piece, to cause to scrap, Thus sampling is more demanding to personnel's technical capability, and operation difficulty is big；

4) sampling process needs 2 people or so that could carry out, and to physical fitness requirement height, generally requires male's completion.

Utility model content

In consideration of it, the utility model provides and a kind of can improve working efficiency, reduces waste of material and sample difficulty Sampler for the test of electrodes of lithium-ion batteries surface density.

The utility model provides a kind of sampler for the test of electrodes of lithium-ion batteries surface density comprising machine Frame is equipped with mobilizable punch in rack, and driving part is also installed in rack, and punch connects driving part, It is movable that punch is driven back and forth by driving part, and pole piece is located at the bottom of punch.

Further, pedestal is installed in above-mentioned rack, the through-hole of face punch is offered on pedestal, pole piece is located at punching Between head and pedestal.

Further, the bottom of above-mentioned pedestal is provided with collecting part.

Further, mounting base is installed in above-mentioned rack, punch is movably connected in mounting base.

Further, the first guide rail being slidably connected with punch is provided in above-mentioned mounting base.

Further, spring is provided in above-mentioned mounting base, spring connects punch.

Further, above-mentioned driving part is pneumatic actuation component.

Further, above-mentioned housing slide is connected on the second guide rail, rack on the second guide rail along X-axis, Y-axis and/ Or Z axis sliding.

A kind of sampler for the test of electrodes of lithium-ion batteries surface density provided by the utility model, compared to The prior art mainly has the following advantages：Punch sampling is driven by driving part, on the one hand, can be former without cutting off pole piece Adhesion process is saved in position sampling, and quickly, succinctly, a people can operate for sampling, save production time and manpower, thus improve Working efficiency, reduces waste of material, reduces operation difficulty；On the other hand, adhesion process is eliminated, pole piece pleat is reduced The risk that wrinkle is scrapped.

Description of the drawings

By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit are common for this field Technical staff will become clear.Attached drawing only for the purpose of illustrating preferred embodiments, and is not considered as to this practicality Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：

Fig. 1 is a kind of sampler for the test of electrodes of lithium-ion batteries surface density that the utility model embodiment provides Structural schematic diagram.

Specific implementation mode

The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in attached drawing Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure Completely it is communicated to those skilled in the art.

Embodiment one：

Referring to Fig. 1, show that one kind that the utility model embodiment one provides is close for electrodes of lithium-ion batteries face in figure Spend the sampler of test comprising rack 1 is equipped with mobilizable punch 2 in rack 1, is also installed in rack 1 Driving part 3, the driving part 3 are specifically as follows pneumatic actuation component, and the devices such as motor, punch 2 can also be selected to connect Driving part 3, it is movable that punch 2 is driven back and forth by driving part 3, and pole piece 4 is located at the bottom of punch 2.

A kind of sampler for the test of electrodes of lithium-ion batteries surface density that the present embodiment is provided, compared to existing There is technology mainly to has the following advantages：Punch sampling is driven by driving part, on the one hand, can be in situ without cutting off pole piece Adhesion process is saved in sampling, and quickly, succinctly, a people can operate for sampling, save production time and manpower, thus improve Working efficiency reduces waste of material, reduces operation difficulty；On the other hand, adhesion process is eliminated, pole piece fold is reduced The risk scrapped.

Embodiment two：

With continued reference to Fig. 1, show that one kind that the utility model embodiment two provides is used for electrodes of lithium-ion batteries in figure The sampler of surface density test, the present embodiment are also further made that following as improvement on the basis of the above embodiments Technical solution：Pedestal 5 is installed in rack 1, the through-hole 51 of face punch 2 is offered on pedestal 5, pole piece 4 is located at punch Between portion 2 and pedestal 5.Through-hole is fitted closely with punch, and diameter differs 0.1mm, and punch is coaxial with through-hole, is respectively placed in electricity Both sides above and below pole piece, when die head is quickly moved to die hole, you can sample is taken out in punching.

Meanwhile for the ease of collecting sample, the bottom of pedestal 5 (i.e. through-hole 51) is provided with the collecting parts such as VERTICAL TUBE.

Embodiment three：

With continued reference to Fig. 1, show that one kind that the utility model embodiment three provides is used for electrodes of lithium-ion batteries in figure The sampler of surface density test, the present embodiment are also further made that following as improvement on the basis of the above embodiments Technical solution：Mounting base 21 is installed, punch 2 is movably connected in mounting base 21 in rack 1；It is provided in mounting base 21 The first guide rail 22 being slidably connected with punch 2.Die head is fixed on the first guide rail, can accurately be moved up and down, be carried High kinematic accuracy.

Example IV：

With continued reference to Fig. 1, show that one kind that the utility model embodiment four provides is used for electrodes of lithium-ion batteries in figure The sampler of surface density test, the present embodiment are also further made that following as improvement on the basis of the above embodiments Technical solution：Spring 23 is provided in mounting base 21, spring 23 connects punch 2.After punch sampling, spring may make punching Leave pole piece return in head.

Embodiment five：

With continued reference to Fig. 1, show that one kind that the utility model embodiment five provides is used for electrodes of lithium-ion batteries in figure The sampler of surface density test, the present embodiment are also further made that following as improvement on the basis of the above embodiments Technical solution：Rack 1 is slidably connected on the second guide rail 6, and rack 1 is slided on the second guide rail 6 along X-axis, Y-axis and/or Z axis It is dynamic, punch can be made to be moved back and forth in pole piece plane, such as the laterally sampling (perpendicular to coating direction of travel).

Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.

Claims (8)

1. a kind of sampler for the test of electrodes of lithium-ion batteries surface density, which is characterized in that described including rack (1) Mobilizable punch (2) is installed in rack (1), driving part (3), the punching are also installed on the rack (1) Head (2) connects the driving part (3), and the punch (2) drives back and forth movable, pole piece (4) by the driving part (3) Bottom positioned at the punch (2).

2. a kind of sampler for the test of electrodes of lithium-ion batteries surface density according to claim 1, feature exist In, pedestal (5) is installed on the rack (1), the through-hole (51) of punch described in face (2) is offered on the pedestal (5), The pole piece (4) is between the punch (2) and the pedestal (5).

3. a kind of sampler for the test of electrodes of lithium-ion batteries surface density according to claim 2, feature exist In the bottom of the pedestal (5) is provided with collecting part.

4. a kind of sampler for the test of electrodes of lithium-ion batteries surface density according to claim 1, feature exist In being equipped with mounting base (21) on the rack (1), the punch (2) is movably connected in the mounting base (21).

5. a kind of sampler for the test of electrodes of lithium-ion batteries surface density according to claim 4, feature exist In the mounting base (21) is interior to be provided with the first guide rail (22) being slidably connected with the punch (2).

6. a kind of sampler for the test of electrodes of lithium-ion batteries surface density according to claim 4 or 5, feature It is, spring (23) is provided in the mounting base (21), and the spring (23) connects the punch (2).

7. a kind of sampler for the test of electrodes of lithium-ion batteries surface density according to claim 1,4 or 5, special Sign is that the driving part (3) is pneumatic actuation component.

8. a kind of sampler for the test of electrodes of lithium-ion batteries surface density according to claim 1, feature exist In the rack (1) is slidably connected on the second guide rail (6), and the rack (1) is on second guide rail (6) along X-axis, Y Axis and/or Z axis sliding.