Vacuum cavity structure of multi-layer laminating machine

Abstract

The utility model discloses a vacuum cavity structure of a multi-layer laminating machine, which comprises a plurality of laminating assemblies which are sequentially distributed from top to bottom, each laminating assembly comprises a heating plate, an upper pressing frame, a silica gel plate and a lower pressing frame which are sequentially distributed from top to bottom and are connected, so that an upper vacuum cavity is formed among the heating plate, the upper pressing frame and the silica gel plate, and the vacuum cavity structure further comprises a plurality of shunting pipes, the plurality of shunting pipes are uniformly mounted at the bottom of the heating plate and are communicated with a first vacuum runner formed in the heating plate; and a plurality of flow dividing holes which are uniformly distributed and are communicated with the upper vacuum cavity are formed in each flow dividing pipe. According to the utility model, the plurality of shunt pipes are added at the bottom of the heating plate to vacuumize the upper vacuum cavity, so that the vacuum uniformity of the upper vacuum cavity can be improved, and the yield of solar cell modules is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to laminating machine vacuum technology field more specifically relates to a kind of multilayer laminating machine vacuum cavity structure. BACKGROUND

[0002] At present, multilayer laminating machine includes multiple laminating components, between every two adjacent laminating components, upper vacuum cavity is formed between heating plate, upper pressing frame and silica gel plate, lower vacuum cavity is formed between silica gel plate, lower pressing frame and the lower heating plate located at the bottom of lower pressing frame, vacuum flow channel is provided on heating plate and is communicated with upper vacuum cavity and lower vacuum cavity respectively, vacuum pump is communicated with upper vacuum cavity and lower vacuum cavity respectively by pipeline and vacuum flow channel, so as to realize the vacuumization of upper vacuum cavity and lower vacuum cavity, through the change of vacuum degree, the laminating of solar cell component is carried out.

[0003] However, the vacuum uniformity of existing vacuum cavity structure needs to be strengthened, and the silica gel plate cannot contact solar cell component simultaneously due to uneven vacuum, resulting in unqualified solar cell component, and even scrap.

[0004] Therefore, it is an urgent problem for those skilled in the art to provide a multilayer laminating machine vacuum cavity structure with good vacuum uniformity. INVENTION CONTENTS

[0005] Therefore, the utility model provides a kind of multilayer laminating machine vacuum cavity structure, improves the vacuum uniformity of upper vacuum cavity and lower vacuum cavity, improves solar cell component yield.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A kind of multilayer laminating machine vacuum cavity structure, including multiple laminating components sequentially distributed from top to bottom, each laminating component includes heating plate, upper pressing frame, silica gel plate and lower pressing frame sequentially distributed and connected from top to bottom, to form upper vacuum cavity between the heating plate, the upper pressing frame and the silica gel plate, further include multiple shunt pipes, multiple shunt pipes are evenly installed at the bottom of the heating plate and are communicated with the first vacuum flow channel opened in the heating plate;Multiple shunt holes are opened in each shunt pipe and are communicated with the upper vacuum cavity.

[0008] By adopting the above technical solutions, the utility model has the beneficial effects that:

[0009] Multiple shunt pipes are added at the bottom of heating plate to perform vacuumization on upper vacuum cavity, which can improve the vacuum uniformity of upper vacuum cavity and improve the yield of solar cell component.

[0010] Further, each shunt pipe is rectangular.

[0011] The beneficial effect produced by the further technical scheme is that the heating plate is better attached, and the integrity is improved.

[0012] Further, a lower vacuum cavity is formed between the silica gel plate, the lower pressing frame and the next layer of the heating plate located at the bottom of the lower pressing frame, the top of the heating plate is provided with a plurality of uniformly distributed holes, and each of the holes is in communication with a second vacuum flow channel opened on the heating plate.

[0013] The beneficial effect produced by the further technical scheme is that the lower vacuum cavity is vacuumized through the plurality of uniformly distributed holes opened on the heating plate, the vacuum uniformity of the lower vacuum cavity is improved, and the yield of the solar cell module is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the provided drawings.

[0015] Figure 1 The drawing is a structural schematic view of the upper vacuum cavity provided by the present application;

[0016] Figure 2 The drawing is a structural schematic view of the lower vacuum cavity provided by the present application;

[0017] Figure 3 The drawing is a bottom view of the heating plate provided by the present application;

[0018] Figure 4 The drawing is a top view of the heating plate provided by the present application. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0020] As Figures 1-4The utility model discloses a kind of multi-layer laminating machine vacuum cavity structures, including multiple laminating components 1 from top to bottom sequentially distributed, each laminating component 1 includes heating plate 11, upper pressure frame 12, silica gel plate 13 and lower pressure frame 14 sequentially distributed and connected from top to bottom, to form upper vacuum cavity between heating plate 11, upper pressure frame 12 and silica gel plate 13, still include multiple shunt pipes 2, multiple shunt pipes 2 are evenly installed in the bottom of heating plate 11 and with the first vacuum flow channel opened in heating plate 11 communication;Multiple shunt holes 21 that are evenly distributed and with upper vacuum cavity communication are opened in each shunt pipe 2.The utility model increases multiple shunt pipes 2 on the bottom of heating plate 11 to the vacuumization of upper vacuum cavity, can improve the vacuum uniformity of upper vacuum cavity, improve solar cell module yield.

[0021] Specifically, each shunt pipe 2 is rectangular, to better fit heating plate 11, improve integrity.

[0022] Specifically, lower vacuum cavity is formed between silica gel plate 13, lower pressure frame 14 and the next layer heating plate 11 located in the bottom of lower pressure frame 14, the top of heating plate 11 has multiple evenly distributed holes 111, and each hole 111 is communicated with the second vacuum flow channel opened in heating plate 11, in the embodiment, the second vacuum flow channel is deep hole that each hole 111 is communicated.Through multiple evenly distributed holes 111 opened in heating plate 11, lower vacuum cavity is vacuumized, can improve the vacuum uniformity of lower vacuum cavity, improve solar cell module yield.

[0023] Each embodiment in the specification is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between each embodiment can be referred to each other.For the device disclosed by the embodiment, since it corresponds to the method disclosed by the embodiment, the description is relatively simple, and the related parts can be referred to the method part.

[0024] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A multi-layer laminating machine vacuum cavity structure comprising a plurality of laminating assemblies arranged in sequence from top to bottom, each laminating assembly comprising a heating plate, an upper pressing frame, a silica gel plate and a lower pressing frame arranged in sequence from top to bottom and connected to form an upper vacuum cavity between the heating plate, the upper pressing frame and the silica gel plate, characterized in that, A plurality of shunt pipes are evenly arranged on the bottom of the heating plate and communicate with the first vacuum flow channels on the heating plate.

2. A multi-layered lamination machine vacuum chamber structure according to claim 1, wherein, Each of the shunt pipes is rectangular.

3. A vacuum plenum structure for a multi-layer laminator as defined in claim 1, wherein, A lower vacuum cavity is formed between the silica gel plate, the lower pressing frame and the next layer of heating plate at the bottom of the lower pressing frame, the top of the heating plate has a plurality of evenly distributed holes, and each of the holes communicates with the second vacuum flow channels on the heating plate.

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