CN204525904U - Aluminum plastic film extrudes compounding machine curtain coating chill roll - Google Patents
Aluminum plastic film extrudes compounding machine curtain coating chill roll Download PDFInfo
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- CN204525904U CN204525904U CN201420784190.6U CN201420784190U CN204525904U CN 204525904 U CN204525904 U CN 204525904U CN 201420784190 U CN201420784190 U CN 201420784190U CN 204525904 U CN204525904 U CN 204525904U
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Abstract
The utility model discloses a kind of aluminum plastic film and extrudes compounding machine curtain coating chill roll, comprise roll body, the cavity holding cooling water is provided with in roll body, roll body is arranged a water intake end rotating shaft and a water side rotating shaft, water intake end rotating shaft is provided with water inlet, water side rotating shaft is provided with delivery port, and water inlet is communicated with delivery port by cavity.Delivery port is provided with pipe in a water outlet, and in water outlet, the water intake end of pipe is near cavity roof, is in highest order all the time.By setting up an interior outlet pipe in outlet pipe, in water outlet, the water intake end of pipe is near cavity roof, is in highest order all the time.Inner chamber air when cooling water liquid level exceeds delivery port is discharged, until cooling water flows out from interior outlet pipe.Allow cooling water not because of atmospheric pressure effect be full of whole cavity and flow, making roll surface temperature uniformity, increase the cold and hot conduction efficiency of roller, at the temperature guaranteeing manufacturing technique requirent, improve the speed of service of equipment, thus production efficiency is improved further.
Description
Technical field
The utility model relates to lithium ion battery aluminum plastic film manufacture field technology, refers in particular to a kind of aluminum plastic film and extrudes compounding machine curtain coating chill roll.
Background technology
Aluminum plastic film is a kind of housing material of lithium ion battery.Its effect is to provide the confined space that is held cell active materials, provides certain mechanical strength and mechanical protection simultaneously.
Aluminum plastic film is generally made up of five-layer structure, the 1st layer--and PA (nylon), shields; 2nd layer--be two-component polyurethane adhesive water, play bonding 1,3 layers effect; 3rd layer--Al paper tinsel, takes blocking effect; 4th layer--be curtain coating PP, play bonding 3,5 layers effect; 5th layer--CPP (cast polypropylene), plays encapsulation connection function.
Polymer soft-package battery, utilize aluminum plastic film to rush hole, form the airtight appearance body of a splendid attire electrolyte, outermost layer is PA, and innermost layer is CPP.Innermost layer CPP directly contacts with strong acid electrolyte, and simple dependence one deck CPP is the corrosion can not keeping out electrolyte completely, by the binding agent of curtain coating CPP and complete being bonded together of aluminium foil, must could form a strong protective layer.How ensureing CPP and aluminium foil is intact is bonded together, is vital factor during aluminum current plastic film is produced.
CPP and aluminum plastic film semi-finished product extrude binding agent by casting apparatus, roll-in, and cooling and shaping is complete to be bonded together.An even property of (as Fig. 1) chilling temperature, directly has influence on the adhesive property of aluminum plastic film internal layer and the reliability of product.The how uniformity of guarantee chilling temperature?
Conventional curtain coating chill roll is just like following structure: cavity type and jacket type (as Fig. 2,3).Due to the factor of roll structure, once cooling water liquid level has exceeded delivery port, inner chamber air just can not be discharged.The air of roller internal residual will have a strong impact on temperature homogeneity and the cooling effectiveness of roll surface.The instability of properties of product and speed of production is finally caused to reduce.
Utility model content
The utility model is for the disappearance of prior art existence, and its main purpose is to provide a kind of aluminum plastic film and extrudes compounding machine curtain coating chill roll, and it solution can will never affect temperature homogeneity and the cooling effectiveness problem of roll surface because of the air of roller internal residual.
For achieving the above object, the utility model adopts following technical scheme:
A kind of aluminum plastic film extrudes compounding machine curtain coating chill roll, comprise roll body, the cavity holding cooling water is provided with in roll body, roll body is arranged a water intake end rotating shaft and a water side rotating shaft, water intake end rotating shaft is provided with water inlet, and water side rotating shaft is provided with delivery port, water inlet is communicated with delivery port by cavity, delivery port is provided with pipe in a water outlet, and in water outlet, the water intake end of pipe is near cavity roof, is in highest order all the time.
As a kind of preferred version, in described water outlet, the water side of pipe is connected with coupling, does not rotate with roller.
As a kind of preferred version, in described water outlet, the water intake end of pipe is 1-5cm from the distance of cavity roof.
As a kind of preferred version, in described water outlet, pipe comprises longitudinal pipe and transverse pipe, and longitudinal pipe is arranged in aforementioned cavity, the upper end of longitudinal pipe is the water intake end near roof, the lower end of longitudinal pipe is communicated with transverse pipe, and transverse pipe is arranged in water side rotating shaft, and the outer end of transverse pipe is connected with coupling.
As a kind of preferred version, the structure of described curtain coating chill roll is cavity type.
As a kind of preferred version, the structure of described curtain coating chill roll is jacket type, is inside provided with inner core.
The utility model compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution: by setting up an interior outlet pipe in outlet pipe, in water outlet, the water intake end of pipe is near cavity roof, is in highest order all the time.Inner chamber air when cooling water liquid level exceeds delivery port is discharged, until cooling water flows out from interior outlet pipe.Allow cooling water not because of atmospheric pressure effect be full of whole cavity and flow, making roll surface temperature uniformity, increase the cold and hot conduction efficiency of roller, at the temperature guaranteeing manufacturing technique requirent, improve the speed of service of equipment, thus production efficiency is improved further.
For more clearly setting forth architectural feature of the present utility model, technological means and the specific purposes reached thereof and function, below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail:
Accompanying drawing explanation
Fig. 1 is that CPP and aluminum plastic film semi-finished product extrude compound schematic diagram.
Fig. 2 is the cross-sectional view of traditional cavity type curtain coating chill roll.
Fig. 3 is the cross-sectional view of traditional jacket type curtain coating chill roll.
Fig. 4 is the cross-sectional view of the first embodiment jacket type curtain coating chill roll of the utility model.
Fig. 5 is the cross-sectional view of the second embodiment cavity type curtain coating chill roll of the utility model.
Accompanying drawing identifier declaration:
1, CPP, 2, aluminum mold semi-finished product, 3, extruding rubber roll;
4, chill roll, 5, binding agent, 6, finished product;
10, roll body, 11, cavity, 111, cavity roof;
12, water intake end rotating shaft, 13, water side rotating shaft; 121, oral siphon, 131, outlet pipe;
14, pipe in water outlet, 141, longitudinal pipe; 142, transverse pipe, 143, water intake end;
15, inner core.
Detailed description of the invention
Please refer to shown in Fig. 4, that show the concrete structure of first preferred embodiment of the utility model, the present embodiment is a kind of jacket type curtain coating chill roll, comprises roll body 10, Kun body 10 middle is also provided with inner core 15, with the capacity of the force and velocity of a current and cavity that reduce cooling water.Be formed with the cavity 11 holding cooling water between roll body and inner core, roll body arranged a water intake end rotating shaft and a water side rotating shaft.Water intake end rotating shaft is provided with oral siphon, and water side rotating shaft is provided with outlet pipe.Oral siphon is communicated with outlet pipe by inner chamber.
And roll body 10 is provided with the oral siphon 121 and outlet pipe 131 that are connected with cavity 11.Its oral siphon 121 is the hollow part of roll body 10 water intake end rotating shaft 12, and outlet pipe 131 is the hollow structure of roll body 10 water side rotating shaft 13.Its effect is to provide the flowing of cooling water at whole cavity 11, and maintenance cooling water is in the state needed for work.And in outlet pipe 131, set up pipe 14 in a water outlet, in water outlet, pipe comprises vertical water pipe 141 and horizontal water tube 142.Water intake end 143 wherein on vertical water pipe 141, near cavity roof 111, is in highest order.Its object is when the liquid level flowing into the cooling water in cavity 11 exceeds oral siphon 121, the air gambled in cavity 11 on liquid level is discharged, allow cooling water can circulate in whole cavity 11, make roll surface temperature uniformity, increase the cold and hot conduction efficiency of roller, at the temperature guaranteeing manufacturing technique requirent, improve the speed of service of equipment, thus production efficiency is improved further.
Following table 1 and 2 is conventional chilling roller and the utility model chill-roll temperature uniformity and cold and hot conduction efficiency, and the experimental data of the equipment speed of service.
Table 1 temperature homogeneity contrasts
The table 2 equipment speed of service contrasts
Can be found out by upper table, the utility model chill roll surface temperature uniformity and pyroconductivity are significantly increased.Joint improves production efficiency greatly, reduces production cost
Because in delivery port in roller, pipe is in highest order, therefore the air in roller can be got rid of completely, cooling water can fill the inner chamber of roller completely, according to heat transfer through plane wall formula, heat conduction efficiency improves 25 times of (∧ water=0.58W/ (MK), ∧ air=0.023W/ (MK)), accelerate heat transfer rate, thus the uniformity of roll surface temperature and cooling effectiveness significantly promote.
Remarks: the heat conduction amount computing formula of planomural: Φ=∧ A Δ T/ Δ
In formula:
By the heat (W) of planomural in Φ--the unit interval; A--planomural area (`M^2`);
The thermal conductivity [W/ (MK)] of ∧--object; The thickness (M) of Δ--object;
Temperature difference (K) between Δ T--planomural two surface.
Fig. 1 is that CPP1 and aluminum plastic film semi-finished product 2 extrude binding agent 5 by casting apparatus, the roll-in of extruding rubber roll 3, forms finished product 6 by complete being bonded together of chill roll 4 cooling and shaping.
The operation principle of the present embodiment, using method or the course of work are described in detail in detail as follows:
Open switch, allow cooling water enter the cavity of Kun body through water inlet, when flowing into the cooling water liquid level in cavity and exceeding water inlet, interior delivery port by by liquid level the air be encapsulated in cavity discharge, allow cooling water be full of and flow in whole cavity, making the cooling water temperature in whole cavity homogeneous.
With reference to shown in Fig. 5, that show the concrete structure of second preferred embodiment of the utility model, the present embodiment is a kind of cavity type curtain coating chill roll, and in aforesaid water outlet, pipe can be applied to cavity type curtain coating chill roll equally, can play the effect of discharging inner chamber air equally.
In sum, design focal point of the present utility model is, by setting up an interior outlet pipe in outlet pipe, in water outlet, the water intake end of pipe is near cavity roof, is in highest order all the time.Inner chamber air when cooling water liquid level exceeds delivery port is discharged, until cooling water flows out from interior outlet pipe.Allow cooling water not because of atmospheric pressure effect be full of whole cavity and flow, making roll surface temperature uniformity, increase the cold and hot conduction efficiency of roller, at the temperature guaranteeing manufacturing technique requirent, improve the speed of service of equipment, thus production efficiency is improved further.
The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (6)
1. an aluminum plastic film extrudes compounding machine curtain coating chill roll, it is characterized in that: comprise roll body, the cavity holding cooling water is provided with in roll body, roll body is arranged a water intake end rotating shaft and a water side rotating shaft, water intake end rotating shaft is provided with water inlet, and water side rotating shaft is provided with delivery port, water inlet is communicated with delivery port by cavity, delivery port is provided with pipe in a water outlet, and in water outlet, the water intake end of pipe is near cavity roof, is in highest order all the time.
2. aluminum plastic film according to claim 1 extrudes compounding machine curtain coating chill roll, it is characterized in that: in described water outlet, the water side of pipe is connected with coupling, does not rotate with roller.
3. aluminum plastic film according to claim 1 extrudes compounding machine curtain coating chill roll, it is characterized in that: in described water outlet, the water intake end of pipe is 1-5cm from the distance of cavity roof.
4. aluminum plastic film according to claim 2 extrudes compounding machine curtain coating chill roll, it is characterized in that: in described water outlet, pipe comprises longitudinal pipe and transverse pipe, longitudinal pipe is arranged in aforementioned cavity, the upper end of longitudinal pipe is the water intake end near roof, the lower end of longitudinal pipe is communicated with transverse pipe, transverse pipe is arranged in water side rotating shaft, and the outer end of transverse pipe is connected with coupling.
5. aluminum plastic film according to claim 1 extrudes compounding machine curtain coating chill roll, it is characterized in that: the structure of described curtain coating chill roll is cavity type.
6. aluminum plastic film according to claim 1 extrudes compounding machine curtain coating chill roll, it is characterized in that: the structure of described curtain coating chill roll is jacket type, is inside provided with inner core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420784190.6U CN204525904U (en) | 2014-12-11 | 2014-12-11 | Aluminum plastic film extrudes compounding machine curtain coating chill roll |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420784190.6U CN204525904U (en) | 2014-12-11 | 2014-12-11 | Aluminum plastic film extrudes compounding machine curtain coating chill roll |
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| CN204525904U true CN204525904U (en) | 2015-08-05 |
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| CN201420784190.6U Active CN204525904U (en) | 2014-12-11 | 2014-12-11 | Aluminum plastic film extrudes compounding machine curtain coating chill roll |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324153A (en) * | 2017-06-21 | 2017-11-07 | 安徽博识电子科技有限公司 | A kind of liquid-cooling type take-up and pay-off device |
| CN113635532A (en) * | 2021-08-09 | 2021-11-12 | 界首市天鸿新材料股份有限公司 | PP/PE/PP three-layer co-extrusion lithium battery power diaphragm casting device |
| CN115121449A (en) * | 2022-07-05 | 2022-09-30 | 马鞍山市天鑫辊业有限责任公司 | Applicator roll device with cooling structure |
-
2014
- 2014-12-11 CN CN201420784190.6U patent/CN204525904U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324153A (en) * | 2017-06-21 | 2017-11-07 | 安徽博识电子科技有限公司 | A kind of liquid-cooling type take-up and pay-off device |
| CN107324153B (en) * | 2017-06-21 | 2019-07-02 | 江苏福田电气有限公司 | A kind of liquid-cooling type take-up and pay-off device |
| CN113635532A (en) * | 2021-08-09 | 2021-11-12 | 界首市天鸿新材料股份有限公司 | PP/PE/PP three-layer co-extrusion lithium battery power diaphragm casting device |
| CN115121449A (en) * | 2022-07-05 | 2022-09-30 | 马鞍山市天鑫辊业有限责任公司 | Applicator roll device with cooling structure |
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Address after: 523000 Guangdong city of Dongguan province Zhenkang Hengli road Dongxing Industrial Park Patentee after: DONGGUAN ZHUOGAO ELECTRONIC SCIENCE & TECHNOLOGY CO., LTD. Address before: 523000 Guangdong city in Dongguan Province town of Liaobu Miao Bian Cun Yong Fu Lu Patentee before: DONGGUAN ZHUOGAO ELECTRONIC SCIENCE & TECHNOLOGY CO., LTD. |
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Effective date of registration: 20170407 Address after: 523000 Guangdong Province, Dongguan city Zhenkang road Dongxing Hengli Industrial Park building F Patentee after: DONGGUAN ZHUOYUE NEW MATERIAL TECHNOLOGY CO., LTD. Address before: 523000 Guangdong city of Dongguan province Zhenkang Hengli road Dongxing Industrial Park Patentee before: DONGGUAN ZHUOGAO ELECTRONIC SCIENCE & TECHNOLOGY CO., LTD. |