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Conveying device for dual-coated substrate

A technology for coating substrates and conveying devices, which is applied in the direction of surface coating liquid devices, coatings, electrode manufacturing, etc., and can solve problems such as easy vibration, uneven coating, and increased quality of coated substrates

Inactive Publication Date: 2010-01-06
TORAY ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, before entering the drying process, of course, both sides are wet, so it cannot be supported by rollers, etc., and the assembly line method cannot be used.
[0003] At this time, the end of the substrate that can be continuously transported can be supported by a roller or a mold at the coating point, but as described in the following patent documents, the downstream part is only formed by the spray nozzle in the drying furnace. air support and therefore unstable
[0004] In a manufacturing device for manufacturing coated substrates, when both sides of a substrate are coated, dried, and transported to a dryer immediately after both sides of the substrate are coated, near the inlet of the dryer, both sides of the substrate It is still in a wet state, and the substrate cannot be supported by a stable method such as a roller, so that the substrate shakes, and the changes caused by the shake are transmitted to the coating point, resulting in uneven coating
[0005] Especially in the coating of battery parts such as secondary batteries and fuel cells, since the base material is metal such as copper foil or aluminum foil, which is relatively heavy, and the coating liquid is coated on both sides, the coating base The mass per unit length of the material increases, and there is a problem that it is easy to vibrate

Method used

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  • Conveying device for dual-coated substrate
  • Conveying device for dual-coated substrate
  • Conveying device for dual-coated substrate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] In the descriptive section about specific embodiments of the present invention, use figure 1 The recommended installation position of the holding means 20 is shown, but for the holding means 20 shown in Embodiment 1 as the most basic structure of the present invention, use figure 2 Be explained.

[0054] figure 2 is infigure 1 Front view and side view of the basic structure of the holding means 20 arranged in the shown holding means 20 installation position. The gripping means 20 is provided between the drier and the downstream side after passing through the front die 5 and the back die 6 of the coating head that has carried the substrate 7 that has been coated on both sides. On the frame that supports both ends in the width direction of the base material, and the pinch rollers 101 that hold the bearing 103 on the shaft through the pinch spring 121, the pinch rolls 101 are used for both ends of the base material 7 respectively. By clamping, the shaking of the base ...

Embodiment 2

[0057] As described in the above-mentioned embodiment 1, there is no driving mechanism on the pinch roller 101, and it is provided in the width direction of the substrate 7 according to the stretching speed of the downstream part of the substrate 7 according to the operating conditions of the double-sided coating mechanism. Mechanism of tensile force, therefore, the vibration of the substrate 7 after the process of the reverse die head 6 that performs reverse coating during the manufacturing process of the double-sided coating mechanism 1 is suppressed and stable double-sided coating is obtained. Process performance, but nothing more, for which research was conducted to completely suppress this chattering and obtain more stable double-sided coating process performance.

[0058] Next, as described in Embodiment 1, image 3 A mechanism for further obtaining a stretching force in the width direction by the nip roller 101 is shown in . The direction of the pinch rollers 101 forme...

Embodiment 3

[0060] Further improve the above-mentioned embodiments 1 and 2, in order to suppress the shaking of the substrate 7 and obtain a stable double-sided coating In order to improve the performance of the coating process, research has been conducted to completely suppress this chattering and obtain stable performance in the double-sided coating process.

[0061] like Figure 4 shown, for figure 2 , 3 The nip rollers 101 in the width direction are arranged on both sides of the substrate 7 with respect to the transport direction of the substrate 7 as shown in the figure, and a plurality of nip rollers 101 are provided with sprockets 124 and chains 123 . like Figure 4 As shown in (a) and (b), (a) represents the situation where a plurality of nip rollers 101 at both ends of the base material 7 are positioned parallel to the width direction, and (b) follows and applies image 3 Based on the idea, a plurality of pinch rollers 101 are arranged such that the direction of the pinch ro...

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PUM

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Abstract

The invention inhibits a substrate from flapping by gripping a non-coating part in the neighborhood just after coating and straining the substrate, since all the surface of the substrate is not coated with the coating liquid to the substrate and both ends of the substrate become the non-coating parts in the case when both or any one of stripe coating in which coating is performed on the substrate such as a copper foil and an aluminum foil in a substrate feeding direction by multi-stripe or intermittent coating in which coating is intermittently performed in a direction perpendicular to a substrate feeding direction is usually performed in coating of an electric battery associated part. The apparatus always grips both ends relative to the continuously flowing substrate at a neighborhood just after coating and controls them so as to maintain the straining state.

Description

technical field [0001] The present invention relates to double-sided coating device drying equipment for double-sided coated substrates represented by electrodes of secondary batteries, fuel cells, and the like. Background technique [0002] In coated substrates such as electrodes of secondary batteries or fuel cells, it is necessary to coat active materials on both sides, but the mainstream in the past has been double-sided coating, that is, coating the front and After drying, coat and dry on the reverse side. In this method, in order to form the front and back coated surfaces, it is necessary to go through two coating and drying processes, thereby limiting the improvement of productivity. Therefore, a double-sided simultaneous coating method has been attempted, that is, coating is performed on both the front and back sides at the time of coating, and coiling is performed after passing through a drying process. At this time, both sides are of course wet before entering th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B15/02B05C5/02B05C9/14B05C13/02H01M4/04
CPCB05C5/02B05C9/14B05C13/02
Inventor 奥野清人
Owner TORAY ENG CO LTD