CN209631524U - The gasket of extrusion coated device and extrusion coated device with it - Google Patents
The gasket of extrusion coated device and extrusion coated device with it Download PDFInfo
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- CN209631524U CN209631524U CN201920183677.1U CN201920183677U CN209631524U CN 209631524 U CN209631524 U CN 209631524U CN 201920183677 U CN201920183677 U CN 201920183677U CN 209631524 U CN209631524 U CN 209631524U
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Abstract
The utility model discloses a kind of gasket of extrusion coated device and with its extrusion coated device, the gasket includes: shim body, multiple penetrating regions are provided along its length in the shim body, each penetrating region is along the vertical direction through the through-hole of the thickness of the shim body, the front end of the penetrating region is opened wide, the two sides of each penetrating region are equipped with the flow path area being spaced apart with the penetrating region, the two neighboring flow path area is separated from each other, each flow path area is along the vertical direction through the through-hole of the thickness of the shim body, the front end of the flow path area is opened wide, the rear side of each flow path area is equipped with flow path groove, the flow path groove is formed in the upper surface of the shim body and is downwardly concaved.As a result, by the structures such as flow path area, flow path groove of setting penetrating region and penetrating region interval in shim body, so as to promote the coating production capacity of extrusion coated device, and it can effectively guarantee the quality of the substrate after coating.
Description
Technical field
The utility model relates to coating machine technical fields, a kind of gasket more particularly, to extrusion coated device and have
Its extrusion coated device.
Background technique
As the enhancing and national policy of everybody environmental consciousness increase New-energy electric vehicle supporting dynamics, electric car
The spring of development is welcome;But the serious restriction that the development of electric car is developed by power battery technology.Although quotient
Industry power lithium-ion battery has many excellent performances, but as power battery is transported extensively in power system of electric automobile
With gradually exposing that a series of such as charging time are long, the problem of durability, reliability and safety difference of battery etc..
In order to enable battery high rate charge-discharge and improve the security performance of battery, the contact internal resistance for reducing battery pole ear is
One of most efficient method.Original aluminium strip, nickel strap welding, by pole piece blank space ultrasonic welding tab, but the welding
The contact internal resistance of mode battery is larger, and welding easily occurs rosin joint or cross in ultrasonic welding, and brings hidden danger to the safety of battery.Laser
The contact internal resistance of tab can be effectively reduced in cutting, but when laser cutting aluminium base, and because of temperature height, aluminium melts to form welding slag, weldering bits,
It is scattered on pole piece, easily puncture diaphragm, causes short circuit.
For this kind of situation, ameliorative way is to coat one layer of refractory ceramics in the region of tab, is protected in laser cutting
Aluminium base is protected, will not melt to form welding slag, weldering bits because of high temperature aluminum, i.e., in collector foil while battery anode slurry is coated with
Edge blank space coats the ceramic slurry coating of width about 4-8mm, ceramic slurry coating edge covering anode slurry after drying forming
Expect the area coating edge Xiao Bao.
Requirement with market to the long cruising ability of lithium battery simultaneously, necessarily can force density and coherence request proposition to it
Higher requirement, domestic and international Li electricity leading enterprise have all used coating die head slit extrusion coated technique.
In the related technology, because in view of the small kind of battery core, the variation of more dimensions the problem of, equipment is needed to have stronger
How on existing versatility is put by less transformation, and realizing to be coated with ceramic slurry and anode sizing agent simultaneously is
Urgent problem.Because anode sizing agent and two kinds of ceramic slurry share a coating die head, extremely it is easy in coating process
Partially narrow foil, width, thickness ultra-specification are now leaked, alters and expects the production quality problem such as mixing, and needs to consider that production line flexible production needs
Seek the production requirement that can be applicable in multi-varieties and small-batch.In conclusion being badly in need of developing new method and device to meet market
Strict demand to power lithium-ion battery.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions
A kind of gasket of extrusion coated device out, the gasket can promote the single machine production capacity of extrusion coated device, and effectively protect
Demonstrate,prove the coating quality of extrusion coated device.
The utility model also proposes a kind of extrusion coated device.
Gasket according to the extrusion coated device of the utility model first aspect embodiment includes: shim body, described
Multiple penetrating regions are provided along its length in shim body, each penetrating region is along the vertical direction through the shim body
The front end of the through-hole of thickness, the penetrating region is opened wide, and the two sides of each penetrating region are equipped with the stream being spaced apart with the penetrating region
Road area, the two neighboring flow path area are separated from each other, and each flow path area is to run through the shim body along the vertical direction
Thickness through-hole, the front end of the flow path area opens wide, and the rear side of each flow path area is equipped with flow path groove, and the runner is recessed
Slot is formed in the upper surface of the shim body and is downwardly concaved.
According to the gasket of the extrusion coated device of the utility model embodiment, penetrated by being arranged in shim body
The structures such as flow path area, the flow path groove in area and penetrating region interval, so as to promote the coating production capacity of extrusion coated device, and
And it can effectively guarantee the quality of the substrate after coating.
The front opening two sides of some embodiments according to the present utility model, the flow path area are equipped with the first chamfering.
The front opening two sides of some embodiments according to the present utility model, the penetrating region are equipped with the second chamfering.
Some embodiments according to the present utility model are additionally provided with gas pressure relief slot in the shim body, and the gas pressure relief slot is formed
The shim body upper surface and be downwardly concaved, the gas pressure relief slot is formed in the adjacent penetrating region and the runner is recessed
Between slot.
Some embodiments according to the present utility model, the rear end open of the gas pressure relief slot.
Some embodiments according to the present utility model, the penetrating region include three and are respectively as follows: first and penetrate to third
Area, wherein second penetrating region is between first penetrating region and the third penetrating region;The flow path area includes six
It is a and be respectively as follows: the first to the 6th flow path area, wherein first and second flow path area is located at first penetrating region two
Side, third and fourth flow path area are located at second penetrating region two sides, and the 5th and the 6th flow path area distinguishes position
In third penetrating region two sides.
According to the utility model further embodiment, the flow path groove includes four and respectively first to fourth stream
Road groove, the first runner groove are correspondingly arranged on rear side of the first runner area, and the second flow channel groove is correspondingly arranged at institute
It states on rear side of second and third flow channel area, the third flow channel groove is correspondingly arranged on rear side of the 4th and the 5th flow path area, described
4th flow path groove is correspondingly arranged on rear side of the 6th flow path area.
Some embodiments according to the present utility model, the length range of the shim body is 550mm~800mm, described
The thickness range of shim body is 0.8mm~1mm, and the depth bounds of the flow path groove are 0.4mm~0.5mm, the runner
The width of groove is greater than or equal to 16mm, and the width range of the front opening of the flow path area is 2.5mm~7mm, described to penetrate
The distance between area and the adjacent flow path area are not more than 4mm.
Some embodiments according to the present utility model, wherein the shim body is in axis pair relative to the center line of its length
Claim structure.
According to the extrusion coated device of the utility model second aspect embodiment, comprising: upper die head;Lower die head;Above-mentioned
Gasket, the gasket are located between the upper die head and the lower die head, the penetrating region and the upper die head, the lower die head
Between limit anode sizing agent runner jointly, the lower die head, which is equipped with towards the open runner of the gasket, enters opening;Institute
It states and limits insulation paste runner between flow path area and the upper die head, the lower die head jointly, the upper die head is equipped with more
A hollow flow-guiding channel for respectively corresponding the flow path groove setting.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the structural schematic diagram according to the gasket of the utility model embodiment;
Fig. 2 is the partial enlarged view in Fig. 1 at A;
Fig. 3 is the partial enlarged view in Fig. 1 at B;
Fig. 4 is the structural schematic diagram according to the extrusion coated device of the utility model embodiment.
Appended drawing reference:
Extrusion coated device 1000,
Gasket 100, upper die head 200, lower die head 300,
Shim body 10,
Penetrating region 11, the first penetrating region 111, the second penetrating region 112, third penetrating region 113, the second chamfering 11a,
Flow path area 12, first runner area 121, second flow channel area 122, third flow channel area 123, the 4th flow path area the 124, the 5th
Flow path area 125, the 6th flow path area 126, the first chamfering 12a,
Flow path groove 13, first runner groove 131, second flow channel groove 132, third flow channel groove 133, the 4th runner are recessed
Slot 134,
Gas pressure relief slot 14.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.In addition, defining " first ", the feature of " second " can explicitly or implicitly include one or more of the features.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
As shown in figure 4, including upper die head 200, lower die according to the extrusion coated device 1000 of this practical year new embodiment
First 300 and gasket 100, gasket 100 be located between upper die head 200 and lower die head 300, by gasket 100, upper die head 200 and under
The cooperation of die head 300 limits the channel for pulp flow jointly.
Below with reference to Fig. 1-Fig. 4 description according to the gasket 100 of the extrusion coated device 1000 of the utility model embodiment.
Gasket 100 according to the utility model embodiment includes: shim body 10.
Specifically, multiple penetrating regions 11 are provided along its length in shim body 10, each penetrating region 11 is vertically
Through the through-hole of the thickness of shim body 10, the front end of penetrating region 11 is opened wide in direction.The two sides of each penetrating region 11 be equipped with
The flow path area 12 spaced apart of penetrating region 11, two neighboring flow path area 12 are separated from each other, and each flow path area 12 is along the vertical direction
Through the through-hole of the thickness of shim body 10, the front end of flow path area 12 is opened wide.The rear side of each flow path area 12 is equipped with flow path groove
13, flow path groove 13 is formed in the upper surface of shim body 10 and is downwardly concaved.Wherein, upper surface be shim body 10 be used for
The surface that upper die head 200 is engaged, recessed setting cooperates from the top down convenient for shim body 10 and upper die head 200
Slurry to be injected at flow path groove 13 by upper die head 200.
It is understood that penetrating region 11 and flow path area 12 are configured in the perforative area of 10 thickness direction of shim body
Domain, thus shim body 10 and upper die head 200, lower die head 300 cooperation under, can be limited in penetrating region 11 and flow path area 12
Out for the runner of pulp flow.Since penetrating region 11 and flow path area 12 are separated from each other setting, at penetrating region 11 and flow path area 12
The slurry in runner limited will not generate mixing, the reliability of extrusion coated device 1000 can be improved, and different
It is flowed respectively in the runner that slurry can limit at penetrating region 11 and flow path area 12 to be coated to substrate, slurry can be with
It include: anode sizing agent and insulation paste etc., to inject, penetrating region 11 is anode sizing agent, injection flow path area 12 is insulation here
The application is described for slurry.It in this way can be by being injected separately into different slurries to penetrating region 11 and flow path area 12
To realize to substrate while carry out the coating of different slurries in the runner limited.
It should be noted that penetrating region 11 and flow path area 12 are configured in the perforative area of the thickness direction of shim body 10
Domain, but penetrating region 11 is suitable for by injection anode sizing agent, and flow path area 12 is suitable for by injection insulation paste, penetrating region 11 and flow path area 12
The paste composition of middle injection is different, so that penetrating region 11 and shape, the size of flow path area 12 have a certain difference, but to shape
Shape, size are not especially limited.In preferred embodiment, referring to shown in attached drawing 1, in the width direction of shim body 10,
The width of penetrating region 11 is significantly wider than the width of flow path area 12, such as: the opening width of 11 front end of penetrating region is 12 front end of flow path area
15-20 times of opening width.
Further, it is provided with flow path area 12 in the two sides of each penetrating region 11, in conjunction with Fig. 1, operator can root
According to coating demand at penetrating region 11 inject anode sizing agent, to flow path area 12 inject insulation paste.Due to the quantity of penetrating region 11
To be multiple, thus substrate can be processed after to coated substrate the substrate after coating is divided into multiple portions, and
And each part can independently use in other processes, and then can promote the coating production capacity of extrusion coated device 1000.
Specifically, referring to Fig.1, it since there are three penetrating regions 11 for setting in shim body 10, is injected just in penetrating region 11
Pole slurry, and the two sides of each penetrating region 11 are provided with flow path area 12, insulation paste are injected in flow path area 12, to coat
There are three positive coatings on substrate afterwards, it can be with six products of output, i.e., just by three by being processed to the substrate after coating
After the segmentation of pole coating, then every positive coating is divided into two.
It should be noted that the quantity of penetrating region 11 can be adjusted according to design requirement, the quantity of penetrating region 11 is got over
More, the coating production capacity of extrusion coated device 1000 is higher.
It will be further understood that the rear side of each flow path area 12 is provided with flow path groove 13, and flow path groove 13
It is downwardly concaved in the upper surface of shim body 10, so that the insulation paste for flowing to flow path area 12 is injected into runner by upper die head 200
The setting of groove 13, flow path groove 13 can prevent the insulation paste injected by upper die head 200 from coming into contact in a large area with lower die head 300
The generation of the problem of to prevent insulation paste and anode sizing agent mixing, so as to effectively guarantee the painting of extrusion coated device 1000
Cloth quality, and can guarantee the quality of the substrate after coating.
According to the gasket 100 of the extrusion coated device 1000 of the utility model embodiment, by shim body 10
The structures such as penetrating region 11, the flow path area 12 being spaced with penetrating region 11, flow path groove 13 are set, so as to promote extrusion coated dress
1000 coating production capacity is set, and can effectively guarantee the quality of the substrate after coating.
In conjunction with Fig. 2 and Fig. 3, in some embodiments of the utility model, the two sides of the front opening of flow path area 12 are arranged
First chamfering 12a.The insulation paste flowed out from flow path area 12 is coated on substrate after the first chamfering 12a, the first chamfering 12a
To insulation paste have good guiding role, thereby may be ensured that from flow path area 12 flow out insulation paste can be coated on from
The anode sizing agent edge that penetrating region 11 is flowed out.
In one specific embodiment of the utility model, the size of the first chamfering 12a is C0.5*3.5.
In conjunction with Fig. 2 and Fig. 3, in some embodiments of the utility model, the front opening two sides of penetrating region 11 are equipped with the
Two chamfering 11a.The anode sizing agent flowed out from penetrating region 11 is coated on substrate after the second chamfering 11a, the second 11a pairs of chamfering
Anode sizing agent has good guiding role, thereby may be ensured that the Painting effect of extrusion coated device 1000.
In one specific embodiment of the utility model, the size of the second chamfering 11a is C2*5.
It is understood that the size of the first chamfering 12a and the second chamfering 11a needs are designed according to pulp property,
It can be according to the size of slurry adjusted design the first chamfering 12a and the second chamfering 11a of different rheological properties to meet reality
Production needs, such as: insulation paste solid content is 35%, viscosity 1000-1500cps, and the coating specification of insulation paste is wide
When degree is 5 ± 1mm, the front opening of flow path area 12 is preferably 3mm.
In some embodiments of the utility model, insulation paste can be ceramic slurry.
As depicted in figs. 1 and 2, in some embodiments of the utility model, gas pressure relief slot 14 is additionally provided in shim body 10,
Gas pressure relief slot 14 is formed in the upper surface of shim body 10 and is downwardly concaved, and gas pressure relief slot 14 is formed in adjacent penetrating region 11 and runner
Between groove 13.
Further, gas pressure relief slot 14 and flow path groove 13 are arranged at the upper surface of shim body 10, thus recessed from runner
The slurry that slot 13 flows out can be flow in gas pressure relief slot 14.Referring to Fig.1 it is found that being respectively provided between the adjacent penetrating region 11 of any two
There is flow path groove 13, gas pressure relief slot 14 is arranged between above-mentioned two adjacent penetrating regions 11, and preferably, gas pressure relief slot 14 is set to
Between penetrating region 11 and corresponding flow path groove 13.It is understood that holding when support strength deficiency occurs in shim body 10
Easily there is the problem of mixing because feed pressure is excessive.Lead to insulation paste when the feed pressure at flow path groove 13 is excessive
When being overflowed from flow path groove 13, since gas pressure relief slot 14 is formed between penetrating region 11 and flow path groove 13, overflow from flow path groove 13
Insulation paste out will flow into gas pressure relief slot 14, so that gas pressure relief slot 14 can play the role of good pressure release, and can be to prevent
Only insulation paste enters to penetrating region 11 and anode sizing agent generates mixing, and then promotes the reliability of extrusion coated device 1000.
As shown in Figure 1, in the utility model further embodiment, the rear end open of gas pressure relief slot 14, rear end open
The insulation paste flowed into gas pressure relief slot 14 is arranged can be discharged from the rear end of gas pressure relief slot 14, so as to prevent gas pressure relief slot 14
The problem of storage space is full of occurring secondary spilling after insulation paste further promotes the reliable of extrusion coated device 1000
Property.
Further, the rear end of gas pressure relief slot 14 is communicated with the atmosphere, so as to prevent the insulation stored in gas pressure relief slot 14 from starching
Material is excessive and the problem that pressure is excessive in gas pressure relief slot 14 is caused to occur.
In some embodiments of the utility model, gas pressure relief slot 14 to flow path groove 13, gas pressure relief slot 14 arrive penetrating region 11
Distance is all satisfied 4-5mm, when the distance of gas pressure relief slot 14 to flow path groove 13, gas pressure relief slot 14 to penetrating region 11 meets above-mentioned parameter
When, it is ensured that the structural strength of the shim body 10 at gas pressure relief slot 14.
As shown in Figure 1, in one specific embodiment of the utility model, penetrating region 11 includes three and is respectively as follows: the
One penetrating region 111, the second penetrating region 112 and third penetrating region 113, wherein the second penetrating region 112 is located at 111 He of the first penetrating region
Between third penetrating region 113;Flow path area 12 includes six and is respectively as follows: first runner area 121, second flow channel area 122, third stream
Road area 123, the 4th flow path area 124, the 5th flow path area 125 and the 6th flow path area 126, wherein the first and second flow path areas 122 divide
Not Wei Yu 111 two sides of the first penetrating region, the third and fourth flow path area 124 is located at 112 two sides of the second penetrating region, the 5th and
Six flow path areas 126 are located at 113 two sides of third penetrating region.
Specifically, first runner area 121, second flow channel area 122, third flow channel area 123, the 4th flow path area the 124, the 5th stream
Insulation paste can be injected in road area 125 and the 6th flow path area 126, and the first penetrating region 111, the second penetrating region 112 and third are worn
Anode sizing agent can be injected in saturating area 113, so that first runner area 121 and second flow channel area 122 are coated with insulation on base material
The two sides that slurry will be coated on the first penetrating region 111 and be coated with anode sizing agent on base material;Third flow channel area 123 and the 4th runner
Area 124 is coated with the two sides that insulation paste on base material will be coated on the second penetrating region 112 and be coated with anode sizing agent on base material;
5th flow path area 125 and the 6th flow path area 126, which are coated with insulation paste on base material and will be coated on third penetrating region 113, to be coated on
The two sides of anode sizing agent on substrate.
Further, second flow channel area 122 and third flow channel area 123, the 4th flow path area 124 and the 5th flow path area 125 are equal
Interval setting, i.e. second flow channel area 122 and third flow channel area 123, the 4th flow path area 124 and the 5th flow path area 125 is coated
It will not influence each other in journey.
In the utility model further embodiment, flow path groove 13 includes four and is respectively as follows: first runner groove
131, second flow channel groove 132, third flow channel groove 133 and the 4th flow path groove 134, first runner groove 131 are correspondingly arranged at
121 rear side of first runner area, second flow channel groove 132 are correspondingly arranged at second and 123 rear side of third flow channel area, third flow channel groove
133 are correspondingly arranged at the 4th and 125 rear side of the 5th flow path area, and the 4th flow path groove 134 is correspondingly arranged at 126 rear side of the 6th flow path area.
Specifically, insulation paste is injected separately into first runner groove 131, second flow channel groove 132, from upper die head 200
Three flow path grooves 133 and the 4th flow path groove 134, and first runner area 121 is flow to, from second from first runner groove 131
Road groove 132 flow to second flow channel area 122 and third flow channel area 123, flow to the 4th flow path area 124 from third flow channel groove 133
The 6th flow path area 126 is flow to the 5th flow path area 125, from the 4th flow path groove 134.
It is understood that since second flow channel groove 132 and third flow channel groove 133 simultaneously supply two flow path areas 12
To insulation paste, thus the width of second flow channel groove 132 and third flow channel groove 133 can be structured as width be wider than it is first-class
The width of road groove 131 and the 4th flow path groove 134.And second flow channel groove 132 and third flow channel groove 133 can satisfy
The design of narrow tab, which produces, to be needed.
In some embodiments of the utility model, the length range of shim body 10 is 550mm~800mm, gasket sheet
The thickness range of body 10 is 0.8mm~1mm, and the depth bounds of flow path groove 13 are 0.4mm~0.5mm, the width of flow path groove 13
Degree is greater than or equal to 16mm, and the width range of the front opening of flow path area 12 is 2.5mm~7mm, penetrating region 11 and adjacent stream
The distance between road area 12 is not more than 4mm.
Further, the depth bounds of gas pressure relief slot 14 are 0.4mm~0.5mm, the width range of gas pressure relief slot 14 be 4mm~
8mm, the thickness of shim body 10 are about twice of 14 depth of gas pressure relief slot, to meet structural strength demand at gas pressure relief slot 14.When letting out
When the parameter of indent 14 meets above-mentioned parameter area, 14 pairs of the gas pressure relief slot slurries for flowing to it have good storage and dredge work
With.It is understood that the dimensional parameters of gas pressure relief slot 14 need to consider a variety of objective condition, such as: according to the characteristic of slurry into
Row design.
Specifically, the thickness of shim body 10 is about twice of 13 depth of flow path groove, thereby may be ensured that shim body
10 structural strength, and flow path groove 13 can be guaranteed to the guide functions of insulation paste.When the width of flow path groove 13 is full
Enough when above-mentioned parameter, flow path groove 13 preferably can supply insulation paste to flow path area 12.
It is understood that the length of shim body 10 can be adjusted according to design requirement, the front end of flow path area 12
The width of opening needs the characteristic in conjunction with insulation paste to be designed, and the front opening width of usual flow path area 12 is slightly less than coating
It is required that width.
As shown in Figure 1, in some embodiments of the utility model, wherein center of the shim body 10 relative to its length
Line axisymmetricly structure.Such structure is simple, convenient for processing to shim body 10, while being convenient for shim body 10 and upper die head
200 and lower die head 300 cooperate.
According to the extrusion coated device 1000 of the utility model embodiment, gasket 100 is located at upper die head 200 and lower die head
Between 300, anode sizing agent runner is limited between penetrating region 11 and upper die head 200, lower die head 300 jointly, is set in lower die head 300
Have towards the open runner of gasket 100 and enters opening;It is limited jointly between flow path area 12 and upper die head 200, lower die head 300 absolutely
Edge slurry runner, upper die head 200 are equipped with multiple hollow flow-guiding channels for respectively corresponding the setting of flow path groove 13, and insulation paste can
To flow to flow path groove 13 after flowing through hollow flow-guiding channel.Make in this way upper die head 200 and lower die head 300 to shim body 10 at
It is more convenient to inject slurry, is largely improved without the structure to extrusion coated device 1000, extrusion coated device can be reduced
1000 manufacturing cost.
It is understood that lower die head 300 passes through hollow flow-guiding to injection anode sizing agent, upper die head 200 at penetrating region 11
Channel is to injecting insulation paste at flow path groove 13.
In one specific embodiment of the utility model, the extrusion coated device 1000 further include: the first water conservancy diversion spiral shell
Bolt, the second water conservancy diversion bolt, third water conservancy diversion bolt, the 4th water conservancy diversion bolt, the 5th water conservancy diversion bolt and the 6th water conservancy diversion bolt, the first water conservancy diversion
Bolt, the second water conservancy diversion bolt, third water conservancy diversion bolt, the 4th water conservancy diversion bolt, the 5th water conservancy diversion bolt and the 6th water conservancy diversion bolt are respectively formed
There is hollow flow-guiding channel, and the rear portion of first runner groove 131, the second water conservancy diversion bolt and third is arranged in the first water conservancy diversion bolt
Water conservancy diversion bolt is arranged in the rear portion of second flow channel groove 132, the 4th water conservancy diversion bolt and the 5th water conservancy diversion bolt and is arranged in third flow channel
The rear portion of the 4th flow path groove 134 is arranged in the rear portion of groove 133, the 6th water conservancy diversion bolt.
Specifically, the first water conservancy diversion bolt, the second water conservancy diversion bolt, third water conservancy diversion bolt, the 4th water conservancy diversion bolt, the 5th water conservancy diversion spiral shell
It is connected at bolt and the 6th water conservancy diversion bolt and flow path groove 13, insulation paste can pass through multiple water conservancy diversion bolts and flow path groove 13
Connection cooperation at flow into flow path groove 13, and flow to corresponding flow path area 12 from flow path groove 13.
According to the extrusion coated device 1000 of the utility model embodiment, by the way that above-mentioned shim body 10 is arranged, and lead to
It crosses upper die head 200 and conveys insulation paste, the conveying anode sizing agent of lower die head 300, so as to realize to substrate while being coated
Anode sizing agent and insulation paste, and the coating production capacity of extrusion coated device 1000 is high, and can satisfy the design of narrow tab
Production needs.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art
The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (10)
1. a kind of gasket of extrusion coated device characterized by comprising
Shim body, multiple penetrating regions are provided along its length in the shim body, and each penetrating region is along the vertical direction
Through the through-hole of the thickness of the shim body, the front end of the penetrating region is opened wide;
The two sides of each penetrating region are equipped with the flow path area being spaced apart with the penetrating region, and the two neighboring flow path area is to each other
It separates, each flow path area is along the vertical direction through the through-hole of the thickness of the shim body, the front end of the flow path area
It opens wide;
The rear side of each flow path area be equipped with flow path groove, the flow path groove be formed in the upper surface of the shim body and
It is downwardly concaved.
2. the gasket of extrusion coated device according to claim 1, which is characterized in that the front opening of the flow path area
Two sides are equipped with the first chamfering.
3. the gasket of extrusion coated device according to claim 1, which is characterized in that the front opening of the penetrating region
Two sides are equipped with the second chamfering.
4. the gasket of extrusion coated device according to claim 1, which is characterized in that be additionally provided in the shim body
Gas pressure relief slot, the gas pressure relief slot are formed in the upper surface of the shim body and are downwardly concaved, and the gas pressure relief slot is formed in adjacent
Between the penetrating region and the flow path groove.
5. the gasket of extrusion coated device according to claim 4, which is characterized in that the rear end of the gas pressure relief slot is spacious
It opens.
6. the gasket of extrusion coated device according to claim 1, which is characterized in that
The penetrating region includes three and is respectively as follows: first to third penetrating region, wherein second penetrating region is located at described the
Between one penetrating region and the third penetrating region;
The flow path area includes six and is respectively as follows: the first to the 6th flow path area, wherein first and second flow path area is distinguished
Positioned at first penetrating region two sides, third and fourth flow path area is located at second penetrating region two sides, and described
Five and the 6th flow path area is located at third penetrating region two sides.
7. the gasket of extrusion coated device according to claim 6, which is characterized in that the flow path groove includes four
And respectively first to fourth flow path groove, the first runner groove are correspondingly arranged on rear side of the first runner area, described the
Two flow path grooves are correspondingly arranged on rear side of described second and third flow channel area, and the third flow channel groove is correspondingly arranged at the 4th He
On rear side of 5th flow path area, the 4th flow path groove is correspondingly arranged on rear side of the 6th flow path area.
8. the gasket of extrusion coated device according to claim 1, which is characterized in that the length model of the shim body
It encloses for 550mm~800mm, the thickness range of the shim body is 0.8mm~1mm, and the depth bounds of the flow path groove are
The width of 0.4mm~0.5mm, the flow path groove are greater than or equal to 16mm, the width range of the front opening of the flow path area
For 2.5mm~7mm, the distance between the penetrating region and the adjacent flow path area are not more than 4mm.
9. the gasket of extrusion coated device according to claim 1 to 8, which is characterized in that the gasket sheet
Center line axisymmetricly structure of the body relative to its length.
10. a kind of extrusion coated device characterized by comprising
Upper die head;
Lower die head;
Gasket according to claim 1 to 9, the gasket are located between the upper die head and the lower die head,
Anode sizing agent runner is limited between the penetrating region and the upper die head, the lower die head jointly, the lower die head is equipped with
Enter opening towards the open runner of the gasket;
Insulation paste runner is limited between the flow path area and the upper die head, the lower die head jointly, on the upper die head
Equipped with multiple hollow flow-guiding channels for respectively corresponding the flow path groove setting.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114749329A (en) * | 2022-03-09 | 2022-07-15 | 安脉时代智能制造(宁德)有限公司 | Slit type extrusion head gasket |
CN115672655A (en) * | 2021-07-30 | 2023-02-03 | 宁德时代新能源科技股份有限公司 | Coating pad and coating apparatus |
CN115815043A (en) * | 2021-11-03 | 2023-03-21 | 宁德时代新能源科技股份有限公司 | Glue discharging device and glue coating equipment |
WO2023136568A1 (en) * | 2022-01-11 | 2023-07-20 | 주식회사 엘지에너지솔루션 | Die coater for coating active material of secondary battery current collector |
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2019
- 2019-02-01 CN CN201920183677.1U patent/CN209631524U/en active Active
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Publication number | Priority date | Publication date | Assignee | Title |
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CN115672655A (en) * | 2021-07-30 | 2023-02-03 | 宁德时代新能源科技股份有限公司 | Coating pad and coating apparatus |
CN115672655B (en) * | 2021-07-30 | 2024-03-19 | 宁德时代新能源科技股份有限公司 | Coating gasket and coating equipment |
US11975355B2 (en) | 2021-07-30 | 2024-05-07 | Contemporary Amperex Technology Co., Limited | Coating shim and coating device |
CN115815043A (en) * | 2021-11-03 | 2023-03-21 | 宁德时代新能源科技股份有限公司 | Glue discharging device and glue coating equipment |
CN115815043B (en) * | 2021-11-03 | 2024-03-26 | 宁德时代新能源科技股份有限公司 | Glue outlet device and glue spreading equipment |
WO2023136568A1 (en) * | 2022-01-11 | 2023-07-20 | 주식회사 엘지에너지솔루션 | Die coater for coating active material of secondary battery current collector |
CN114749329A (en) * | 2022-03-09 | 2022-07-15 | 安脉时代智能制造(宁德)有限公司 | Slit type extrusion head gasket |
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