CN204614856U - A kind of battery pole piece cutter - Google Patents
A kind of battery pole piece cutter Download PDFInfo
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- CN204614856U CN204614856U CN201520168765.6U CN201520168765U CN204614856U CN 204614856 U CN204614856 U CN 204614856U CN 201520168765 U CN201520168765 U CN 201520168765U CN 204614856 U CN204614856 U CN 204614856U
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- cleaner head
- moving knife
- stationary knife
- knife cleaner
- tool rest
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model belongs to cutter technical field, in particular to a kind of battery pole piece cutter, comprise fixing tool rest, movable tool rest, be installed on the stationary knife of described fixing tool rest and be installed on the moving knife of described movable tool rest, also comprise dust exhaust apparatus, the dust collect plant that described dust exhaust apparatus is comprised cleaner head and is communicated with described cleaner head by blower fan, described cleaner head comprises stationary knife cleaner head and moving knife cleaner head, described moving knife cleaner head is connected with described movable tool rest and coordinates with described moving knife assembles, described stationary knife cleaner head is connected with described fixing tool rest and coordinates with described stationary knife assembles.Relative to prior art, the utility model is provided with dust exhaust apparatus, effectively can siphon away the metallic particles that produces when cutting knife cuts off diaphragm, the potential safety hazard avoiding it to drop into inside battery affecting electrical property or bring.
Description
Technical field
The utility model belongs to cutter technical field, particularly a kind of battery pole piece cutter.
Background technology
Lithium ion battery is since commercialization, due to its have that energy density is high, operating voltage is high, memory-less effect, have extended cycle life, first-selected power supply that the plurality of advantages such as environmentally safe has become modern mobile electronic device, along with the development of social productive forces and the continuous progress of science and technology, research and produce the life-span longer, electrical property is more excellent, and the better lithium ion battery of security performance necessitates.
Current, lithium ion battery self discharge problem becomes a major issue of its large-scale application of restriction.Battery voltage drop when normal temperature stores is fast, has a strong impact on its useful life.Research finds that the main cause causing self-discharge of battery large is in process of production, and inside battery introduces some metallic particles, and barrier film easily punctures by these particles, makes the direct conducting of anode and cathode and is short-circuited; It is fast that slight internal short-circuit will cause cell voltage to decline, and useful life is short, cells burst can occur time serious and smolder and wait danger.
For the problems referred to above, must prevent and reduce the quantity of metallic particles aborning from source, extensive cell production process winding uses continuous reeling mode, and after a battery winding completes, anode and cathode diaphragm is cut off the winding proceeding next battery by cutting knife.Cut off at cutting knife in the action of anode and cathode diaphragm and can produce the metallic particles such as a large amount of Al, Cu, Fe, these particles are exactly the arch-criminal causing internal short-circuit of battery, so need take measures to control effectively.
As shown in Figure 1, existing cutter comprises fixing tool rest 1 ', movable tool rest 2 ', is installed on the stationary knife 3 ' of described fixing tool rest 1 ' and is installed on the moving knife 4 ' of described movable tool rest 2 ', by the cooperatively interact cut-out work that realizes anode and cathode diaphragm of stationary knife 3 ' with moving knife 4 '.From above-mentioned cutter structure, this cutter does not install any dust exhaust apparatus, and therefore, the metallic particles produced in cut-out diaphragm process can drop into inside battery, thus affects electrical property and the fail safe of battery.
Utility model content
The purpose of this utility model is: for the deficiencies in the prior art, and a kind of battery pole piece cutter is provided, this cutter is provided with dust exhaust apparatus, effectively can siphon away the metallic particles that produces when cutting knife cuts off diaphragm, the potential safety hazard avoiding it to drop into inside battery affecting electrical property or bring.
To achieve these goals, the utility model adopts following technical scheme:
A kind of battery pole piece cutter, comprise fixing tool rest, movable tool rest, be installed on the stationary knife of described fixing tool rest and be installed on the moving knife of described movable tool rest, also comprise dust exhaust apparatus, the dust collect plant that described dust exhaust apparatus is comprised cleaner head and is communicated with described cleaner head by blower fan, described cleaner head comprises stationary knife cleaner head and moving knife cleaner head, described moving knife cleaner head is connected with described movable tool rest and coordinates with described moving knife assembles, and described stationary knife cleaner head is connected with described fixing tool rest and coordinates with described stationary knife assembles.
One as cutter described in the utility model is improved, described stationary knife cleaner head and described moving knife cleaner head include cleaner head body, vacuum chamber, suction opeing and suction nozzle, described vacuum chamber is arranged at the inside of described cleaner head body, described suction nozzle is arranged at the edge of described cleaner head body, and described suction opeing is communicated with described suction nozzle by described vacuum chamber.
One as cutter described in the utility model is improved, and described vacuum chamber is hollow circuit cylinder body structure or square groove structure, and described suction opeing is hollow circuit cylinder body structure.
One as cutter described in the utility model is improved, and the outer wall of described suction opeing is provided with threaded portion.
One as cutter described in the utility model is improved, and the diameter of described vacuum chamber or width are 10 ~ 20mm, and the diameter of described suction opeing is 10 ~ 15mm, and the width of described suction nozzle is 0.5 ~ 3mm.
One as cutter described in the utility model is improved, described moving knife cleaner head comprises the first moving knife cleaner head and the second moving knife cleaner head, described first moving knife cleaner head and described movable tool rest connect as one, described second moving knife cleaner head is fixedly connected with described first moving knife cleaner head, and described moving knife is fixed between described first moving knife cleaner head and the second moving knife cleaner head; Described stationary knife cleaner head is fixedly connected with described fixing tool rest.
One as cutter described in the utility model is improved, and the suction opeing of described first moving knife cleaner head, described second moving knife cleaner head and described stationary knife cleaner head is all arranged at the middle part of described cleaner head body.
One as cutter described in the utility model is improved, and the suction opeing of described first moving knife cleaner head, described second moving knife cleaner head and described stationary knife cleaner head is all arranged at the head of described cleaner head body.
One as cutter described in the utility model is improved, described moving knife cleaner head comprises the first moving knife cleaner head and the second moving knife cleaner head, described first moving knife cleaner head and described movable tool rest connect as one, described second moving knife cleaner head is fixedly connected with described first moving knife cleaner head, and described moving knife is fixed between described first moving knife cleaner head and the second moving knife cleaner head; Described stationary knife cleaner head comprises the first stationary knife cleaner head, the second stationary knife cleaner head and the 3rd stationary knife cleaner head, the length of described first stationary knife cleaner head equals described second stationary knife cleaner head and described 3rd stationary knife cleaner head sum, described first stationary knife cleaner head, described second stationary knife cleaner head are all fixedly connected with described fixing tool rest with described 3rd stationary knife cleaner head, described first stationary knife cleaner head is positioned at the side of described fixing tool rest, and described second stationary knife cleaner head and described 3rd stationary knife cleaner head are positioned at the opposite side of described fixing tool rest side by side; Between the assembly that described stationary knife is fixed on described first stationary knife cleaner head and described second stationary knife cleaner head, described 3rd stationary knife cleaner head is formed.
One as cutter described in the utility model is improved, and described dust collect plant is drawer type dust collect plant, filter cartridge type dust collect plant or filter bag type dust collect plant.
The beneficial effects of the utility model are: the cutter that the utility model provides is provided with dust exhaust apparatus, when cutting knife carries out cut-out action, by the motion of moving knife to stationary knife direction, making stationary knife cleaner head and moving knife cleaner head mutually draw close and form the dust suction space of a semi-hermetic, effectively stopping that the metallic particles produced because cutting off diaphragm splashes; Meanwhile, metallic particles is brought in dust collect plant by cleaner head by the high speed winds that blower fan produces.Above two actions cooperatively interact, and effectively avoid or reduce metallic particles and are mixed into inside battery, improve self-discharge performance and the security performance of battery.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art.
Wherein: 1 '-fixing tool rest, 2 '-movable tool rest, 3 '-stationary knife, 4 '-moving knife.
Fig. 2 is the structural representation of embodiment 1 in the utility model.
Fig. 3 is the decomposing schematic representation of embodiment 1 in the utility model.
Fig. 4 is the partial enlarged drawing of embodiment 1 in the utility model.
Fig. 5 is the structural representation of embodiment 2 in the utility model.
Fig. 6 is the decomposing schematic representation of embodiment 2 in the utility model.
Fig. 7 is the partial enlarged drawing of embodiment 2 in the utility model.
Fig. 8 is the structural representation of embodiment 3 in the utility model.
Fig. 9 is the decomposing schematic representation of embodiment 3 in the utility model.
Wherein: 1-fixes tool rest; The movable tool rest of 2-; 3-stationary knife; 4-moving knife;
6-dust exhaust apparatus,
61-cleaner head,
62-stationary knife cleaner head,
621-first stationary knife cleaner head, 622-second stationary knife cleaner head, 623-the 3rd stationary knife cleaner head,
63-moving knife cleaner head,
631-first moving knife cleaner head, 632-second moving knife cleaner head,
64-cleaner head body, 65-vacuum chamber, 66-suction opeing, 661-threaded portion, 67-suction nozzle.
Embodiment
Below in conjunction with embodiment and Figure of description, the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
embodiment 1
as shown in Fig. 2 ~ 4, a kind of battery pole piece cutter, comprise fixing tool rest 1, movable tool rest 2, be installed on the stationary knife 3 of fixing tool rest 1 and be installed on the moving knife 4 of movable tool rest 2, also comprise dust exhaust apparatus 6, the dust collect plant (not shown) that dust exhaust apparatus 6 is comprised cleaner head 61 and is communicated with cleaner head 61 by blower fan (not shown), this blower fan type is centrifugal blower, and it can produce the high speed winds of 4 ~ 20m/s, and guarantee fund's metal particles can be taken in dust collect plant smoothly.Cleaner head 61 generally adopt in aluminium alloy and 45# steel one or both, because require that cleaner head 61 need have some strength and hardness, and simultaneously can not be overweight, prevent from affecting whole knife rest install and cut off action, cleaner head 61 comprises stationary knife cleaner head 62 and moving knife cleaner head 63, moving knife cleaner head 63 is connected with movable tool rest 2 and coordinates with moving knife 4 assembles, stationary knife cleaner head 62 is connected with fixing tool rest 1 and coordinates with stationary knife 3 assembles, in the course of work of moving knife 4 to stationary knife 3 direction movement, stationary knife cleaner head 62 and moving knife cleaner head 63 is made to form a semi-enclosed dust suction space, thus realize effective dust suction work.
Preferably, stationary knife cleaner head 62 and moving knife cleaner head 63 include cleaner head body 64, vacuum chamber 65, suction opeing 66 and suction nozzle 67, vacuum chamber 65 is arranged at the inside of cleaner head body 64, suction nozzle 67 is arranged at the edge of cleaner head body 64, suction opeing 66 is communicated with suction nozzle 67 by vacuum chamber 65, when dust suction, the metallic particles that suction nozzle 67 sucks is by entering dust collect plant through suction opeing 66 again after vacuum chamber 65.
Preferably, vacuum chamber 65 is hollow circuit cylinder body structure, and suction opeing 66 is hollow circuit cylinder body structure, and the outer wall of suction opeing 66 is provided with threaded portion 661, is conducive to the sealing assembling of dust collect plant, improves pick-up performance.The diameter of vacuum chamber 65 is 10 ~ 20mm, and the diameter of suction opeing 66 is 10 ~ 15mm, and the width of suction nozzle 67 is 0.5 ~ 3mm, and these size ranges can be arranged according to concrete structure and pick-up performance.
Preferably, moving knife cleaner head 63 comprises the first moving knife cleaner head 631 and the second moving knife cleaner head 632, first moving knife cleaner head 631 connects as one with movable tool rest 2, second moving knife cleaner head 632 is fixedly connected with the first moving knife cleaner head 631, and moving knife 4 is fixed between the first moving knife cleaner head 631 and the second moving knife cleaner head 632; Stationary knife cleaner head 62 is fixedly connected with fixing tool rest 1.Three cleaner head shape and structure collocation of the first moving knife cleaner head 631, second moving knife cleaner head 632 and stationary knife cleaner head 62 rationally, semi-enclosed space can be formed time close to each other, in cut-out diaphragm process, when moving knife 4 moves to stationary knife 3 direction, drive above-mentioned three cleaner head formation semi-enclosed space close to each other, block the splashing of metallic particles, produce high speed winds by blower fan and metallic particles is brought in dust collect plant, reach with this object effectively removing or reduce metallic particles.The suction opeing 66 of the first moving knife cleaner head 631, second moving knife cleaner head 632 and stationary knife cleaner head 62 is all arranged at the middle part of cleaner head body 64, ensures that suction nozzle 67 place wind speed is uniform, contributes to taking away metallic particles thing.
Preferably, dust collect plant is drawer type dust collect plant, because drawer type dust collect plant has simple, the superpower suction of structure, removes the features such as dust is easy to operate, floor space is little and installation cost is low.
Can find out detailed description of the present utility model in conjunction with above, relative to prior art, the utility model cutter has the following advantages: make up the problem that traditional cutting knife metal fillings manually cleans, and it is rational in infrastructure, wind speed size is even, realize up-coiler to be sucked away in time at the metal fillings of pole piece generation breaking moment, to collect, avoid falling into battery core inside, improve battery core self-discharge performance and safety problem, this device easy installation and removal simultaneously, cleaning efficiency is high, maintenance cost is low.Through actual measurement, cutter of the present utility model up to 99.5%, significantly reduces the risk of battery core low-voltage to the cleaning efficiency of metal fillings.
embodiment 2
As shown in Fig. 5 ~ 7, with embodiment 1 unlike: the first moving knife cleaner head 631, second moving knife cleaner head 632 of present embodiment and the suction opeing 66 of stationary knife cleaner head 62 are all arranged at the head of cleaner head body 64.Relative to embodiment 1, head suction opeing 66 being all arranged at cleaner head body 64 is more conducive to the carrying out of disassemble and assemble work.
In addition, the vacuum chamber 65 of present embodiment is square groove structure, and the width of vacuum chamber 65 is 10 ~ 20mm, and vacuum chamber 65 mainly holds metallic particles, and its shape can set arbitrarily, it is set to square groove structure here and is mainly conducive to processing.
The dust collect plant of present embodiment is filter cartridge type dust collect plant, because filter cartridge type dust collect plant has that air quantity is large, blast is high, suction is powerful and the feature such as filter cylinder long service life, and it can wash recycling, is applicable to the place of precise electronic class processing.
Other structure is identical with the structure of embodiment 1, repeats no more here.
embodiment 3
As shown in Fig. 8 ~ 9, with embodiment 1 unlike: the stationary knife cleaner head 62 of present embodiment comprises the first stationary knife cleaner head 621, second stationary knife cleaner head 622 and the 3rd stationary knife cleaner head 623, the length of the first stationary knife cleaner head 621 equals the second stationary knife cleaner head 622 and the 3rd stationary knife cleaner head 623 sum, first stationary knife cleaner head 621, second stationary knife cleaner head 622 is all fixedly connected with fixing tool rest 1 with the 3rd stationary knife cleaner head 623, first stationary knife cleaner head 621 is positioned at the side of fixing tool rest 1, second stationary knife cleaner head 622 and the 3rd stationary knife cleaner head 623 are positioned at the opposite side of fixing tool rest 1 side by side, between the assembly that stationary knife 3 is fixed on the first stationary knife cleaner head 621 and the second stationary knife cleaner head 622, the 3rd stationary knife cleaner head 623 is formed.Said structure comprises two moving knife cleaner head and three stationary knife cleaner head, and two stationary knife cleaner head compared to embodiment more than 1, are arranged so that pick-up performance of the present utility model is better certainly like this.The assembly that second stationary knife cleaner head 622 of stationary knife 3 side and the 3rd stationary knife cleaner head 623 are formed strengthens the dust removal ability of this side, and this is arranged according to the demand of user.
In addition, the dust collect plant of present embodiment is filter bag type dust collect plant, the features such as ash removal efficiency is high because filter bag type dust collect plant has, structure simple, convenient operating maintenance, scope that is insensitive to Dust Characteristics, process gas flow are larger, and it can process the very high dusty gas of dust concentration, is applicable to the cleaner of various dusty gas.
Other structure is identical with the structure of embodiment 1, repeats no more here.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also carry out suitable change and amendment to above-mentioned execution mode.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection range of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (10)
1. a battery pole piece cutter, comprise fixing tool rest, movable tool rest, be installed on the stationary knife of described fixing tool rest and be installed on the moving knife of described movable tool rest, it is characterized in that: also comprise dust exhaust apparatus, the dust collect plant that described dust exhaust apparatus is comprised cleaner head and is communicated with described cleaner head by blower fan, described cleaner head comprises stationary knife cleaner head and moving knife cleaner head, described moving knife cleaner head is connected with described movable tool rest and coordinates with described moving knife assembles, and described stationary knife cleaner head is connected with described fixing tool rest and coordinates with described stationary knife assembles.
2. battery pole piece cutter according to claim 1, it is characterized in that: described stationary knife cleaner head and described moving knife cleaner head include cleaner head body, vacuum chamber, suction opeing and suction nozzle, described vacuum chamber is arranged at the inside of described cleaner head body, described suction nozzle is arranged at the edge of described cleaner head body, and described suction opeing is communicated with described suction nozzle by described vacuum chamber.
3. battery pole piece cutter according to claim 2, is characterized in that: described vacuum chamber is hollow circuit cylinder body structure or square groove structure, and described suction opeing is hollow circuit cylinder body structure.
4. battery pole piece cutter according to claim 2, is characterized in that: the outer wall of described suction opeing is provided with threaded portion.
5. battery pole piece cutter according to claim 3, is characterized in that: the diameter of described vacuum chamber or width are 10 ~ 20mm, and the diameter of described suction opeing is 10 ~ 15mm, and the width of described suction nozzle is 0.5 ~ 3mm.
6. battery pole piece cutter according to claim 2, it is characterized in that: described moving knife cleaner head comprises the first moving knife cleaner head and the second moving knife cleaner head, described first moving knife cleaner head and described movable tool rest connect as one, described second moving knife cleaner head is fixedly connected with described first moving knife cleaner head, and described moving knife is fixed between described first moving knife cleaner head and the second moving knife cleaner head; Described stationary knife cleaner head is fixedly connected with described fixing tool rest.
7. battery pole piece cutter according to claim 6, is characterized in that: the suction opeing of described first moving knife cleaner head, described second moving knife cleaner head and described stationary knife cleaner head is all arranged at the middle part of described cleaner head body.
8. battery pole piece cutter according to claim 6, is characterized in that: the suction opeing of described first moving knife cleaner head, described second moving knife cleaner head and described stationary knife cleaner head is all arranged at the head of described cleaner head body.
9. battery pole piece cutter according to claim 2, it is characterized in that: described moving knife cleaner head comprises the first moving knife cleaner head and the second moving knife cleaner head, described first moving knife cleaner head and described movable tool rest connect as one, described second moving knife cleaner head is fixedly connected with described first moving knife cleaner head, and described moving knife is fixed between described first moving knife cleaner head and the second moving knife cleaner head; Described stationary knife cleaner head comprises the first stationary knife cleaner head, the second stationary knife cleaner head and the 3rd stationary knife cleaner head, the length of described first stationary knife cleaner head equals described second stationary knife cleaner head and described 3rd stationary knife cleaner head sum, described first stationary knife cleaner head, described second stationary knife cleaner head are all fixedly connected with described fixing tool rest with described 3rd stationary knife cleaner head, described first stationary knife cleaner head is positioned at the side of described fixing tool rest, and described second stationary knife cleaner head and described 3rd stationary knife cleaner head are positioned at the opposite side of described fixing tool rest side by side; Between the assembly that described stationary knife is fixed on described first stationary knife cleaner head and described second stationary knife cleaner head, described 3rd stationary knife cleaner head is formed.
10. battery pole piece cutter according to claim 1, is characterized in that: described dust collect plant is drawer type dust collect plant, filter cartridge type dust collect plant or filter bag type dust collect plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520168765.6U CN204614856U (en) | 2015-03-25 | 2015-03-25 | A kind of battery pole piece cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520168765.6U CN204614856U (en) | 2015-03-25 | 2015-03-25 | A kind of battery pole piece cutter |
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| Publication Number | Publication Date |
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| CN204614856U true CN204614856U (en) | 2015-09-02 |
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| CN201520168765.6U Active CN204614856U (en) | 2015-03-25 | 2015-03-25 | A kind of battery pole piece cutter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110405267A (en) * | 2019-08-14 | 2019-11-05 | 东莞市安源精密机械有限公司 | A kind of lithium battery pole slice cuts double cutters |
-
2015
- 2015-03-25 CN CN201520168765.6U patent/CN204614856U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110405267A (en) * | 2019-08-14 | 2019-11-05 | 东莞市安源精密机械有限公司 | A kind of lithium battery pole slice cuts double cutters |
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| GR01 | Patent grant |