CN218440091U - Laminating device and laminating machine - Google Patents

Abstract

The application discloses lamination device and laminator belongs to photovoltaic and makes technical field. The method comprises the following steps: the heating bottom plate is provided with a first surface, the first surface comprises a non-bearing area and a bearing area used for bearing the double-glass photovoltaic assembly, the first surface is provided with a first direction, and the first direction is parallel to the short side direction of the double-glass photovoltaic assembly; at least two prevent the casting die, at least two prevent that the casting die and heating bottom plate detachably connect, at least two prevent that the pressure casting die sets up respectively in non-bearing area, and set up the automation of preventing excessive pressure production at double-glass photovoltaic module's both sides this application along the first direction, have the beneficial effect that improves double-glass photovoltaic module and prevent excessive pressure lamination efficiency.

Description

Laminating device and laminating machine

Technical Field

This application belongs to photovoltaic manufacturing technology field, concretely relates to lamination device and laminator.

Background

In the photovoltaic industry at present, a double-sided double-glass assembly can generate electricity on the front side and the back side, has the advantages of long life cycle, low attenuation rate and the like, and gradually becomes a necessary packaging process of a high-efficiency assembly. The key process of dual glass assembly production is the lamination, because of dual glass assembly replaces conventional backplate with glass at the back, and the pressure that flexible silica gel board was applyed at the glass edge is great among the lamination process, extrudes the glued membrane at edge to the subassembly in the middle of, drives the battery cluster and produces the aversion to make subassembly border position appear thickness because of "excessive pressure" and be less than the subassembly middle part.

In the prior art, in order to avoid the problems, the main solution is to manually sleeve the overpressure-preventing frame on each component during lamination, and then the component sleeved with the overpressure-preventing frame enters the cavity of the laminator to be laminated.

However, the above method requires manual placement of the overpressure-preventing jacket for each module before each lamination, which results in low production efficiency because each module requires manual placement of the overpressure-preventing jacket.

SUMMERY OF THE UTILITY MODEL

The purpose of this application embodiment is to provide a laminating device, can solve the lower problem of dual-glass photovoltaic module's production efficiency among the prior art. In order to solve the technical problem, the present application is implemented as follows:

in a first aspect, an embodiment of the present application provides a laminating apparatus, including: the heating bottom plate is provided with a first surface, and the first surface comprises a non-bearing area and a bearing area for bearing the double-glass photovoltaic assembly; the first surface is provided with a first direction, and the first direction is parallel to the short side direction of the double-glass photovoltaic assembly; at least two prevent the casting die, at least two prevent that casting die and heating bottom plate detachably connect, at least two prevent that the casting die sets up respectively in non-bearing area, and set up in dual-glass photovoltaic module's both sides along the first direction.

In this application embodiment, the heating bottom plate includes the district that bears the weight of and the non-district that bears the weight of, bears the weight of the setting in district and is used for providing the position of placing for dual-glass photovoltaic module, when needs carry out the lamination to dual-glass photovoltaic module, dual-glass photovoltaic module places on the district that bears the weight of heating bottom plate first surface, and wherein, the first surface has first direction, when carrying out the lamination to dual-glass photovoltaic module, dual-glass photovoltaic module's minor face direction is placed along first direction. Prevent the emergence of the setting of casting die can avoiding "excessive pressure" condition, prevent that the casting die is connected with detachably between the heating bottom plate, and prevent that excessive pressure sets up along first direction to, at least two prevent that excessive pressure sets up respectively in dual-glass photovoltaic module's both sides. It can be understood that when carrying out the lamination to dual-glass photovoltaic module, dual-glass photovoltaic module's minor face with prevent that the excessive pressure piece is parallel. After preventing that casting die and heating bottom plate are connected, when laminating equipment carried out the lamination to two glass photovoltaic module dual glass assembly, laminating equipment exerted on the two glass photovoltaic module dual glass assembly edge power transfer prevent crossing on the casting die. And, owing to be provided with on the heating bottom plate and put the casting die, consequently, when lamination device carries out the lamination to dual-glass photovoltaic module, no longer need the manual work place for each subassembly prevent excessive pressure frame cover, also can prevent to place the condition that dual-glass photovoltaic module at the bearer area takes place "excessive pressure", thereby realize that dual-glass photovoltaic module cancels the action that personnel's manual place the lamination frame before getting into the laminator, realize the automation of dual-glass photovoltaic module production, have the beneficial effect that improves dual-glass photovoltaic module lamination efficiency.

Moreover, the anti-over-pressing piece is detachably connected with the heating bottom plate, so that the anti-over-pressing pieces of different specifications can be conveniently replaced or detached according to process requirements.

In a second aspect, embodiments of the present application provide a laminating machine including a laminating apparatus as described above.

Drawings

FIG. 1 is a schematic view of an embodiment of an over pressure prevention member of the present application;

FIG. 2 is a schematic structural view of a heating base plate in the embodiment of the present application;

fig. 3 is a schematic view of a connection structure of an over pressure prevention member and a heating base plate in an embodiment of the present application.

Description of reference numerals:

10. heating the soleplate; 11. accommodating grooves; 12. a first surface; 20. an over-pressing prevention part; 21. an overpressure-proof part body; 22. a magnetic connector; 30. double-glass photovoltaic module.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The laminating apparatus provided in the embodiments of the present application will be described in detail with reference to the accompanying drawings through specific embodiments and application scenarios thereof.

Referring to fig. 1 to 3, an embodiment of the present application provides a laminating apparatus including:

a heated base plate 10 having a first surface 12, the first surface 12 comprising a non-bearing region and a bearing region for bearing a dual glass photovoltaic assembly 30; the first surface 12 has a first direction parallel to the short side direction of the dual glass photovoltaic module 30; at least two prevent excessive pressure 20, prevent excessive pressure 20 and heating bottom plate 10 detachably connection, at least two prevent that excessive pressure 20 sets up respectively in non-bearing area, and set up the both sides at double-glass photovoltaic module 30 along the first direction. In the embodiment of the present application, the heating bottom plate 10 includes a carrying area and a non-carrying area, the carrying area is disposed to provide a placing position for the dual-glass photovoltaic module 30, when the dual-glass photovoltaic module 30 is required to be laminated, the dual-glass photovoltaic module 30 is placed on the carrying area of the first surface 12 of the heating bottom plate 10, wherein the first surface 12 includes a first direction, and when the dual-glass photovoltaic module 30 is laminated, the short side direction of the dual-glass photovoltaic module 30 is placed along the first direction. At present, in the photovoltaic field, dual-glass photovoltaic module 30 has the advantage of long service life of the module, good performance and is widely used, and the conventional backplate of glass area body is used at dual-glass photovoltaic module 30 back, and the pressure that laminating equipment applyed at the glass edge is great in the lamination process, extrudes the glued membrane at edge to dual-glass photovoltaic module 30 in the middle of for dual-glass photovoltaic module 30 border position appears the phenomenon that thickness is less than the subassembly middle part because of "excessive pressure". The anti-overvoltage element 20 is arranged to avoid the occurrence of the above-mentioned "overvoltage" condition, the anti-overvoltage element 20 is connected to the heating base plate 10, and the anti-overvoltage element 20 is arranged along the first direction, and at least two anti-overvoltage elements 20 are respectively arranged on both sides of the dual-glass photovoltaic module 30. It can be understood that, when the dual glass photovoltaic assembly 30 is laminated, the short side of the dual glass photovoltaic assembly 30 is parallel to the overvoltage protector 20. When the double glass photovoltaic module 30 is laminated by the laminating apparatus after the excessive pressure preventing member 20 and the heating base plate 10 are connected, the force applied to the edge of the double glass photovoltaic module 30 by the laminating apparatus is transferred to the excessive pressure preventing member 20. Above-mentioned structure has obvious success to reducing the excessive pressure of subassembly border position, and, when laminator cavity silica gel board pressurizes double-glass photovoltaic module 30 during the lamination, connect with heating bottom plate 10 and set up at double-glass photovoltaic module 30 both sides along the first direction at least two prevent that casting die 20 can play the effect of preventing excessive pressure to the edge of placing double-glass photovoltaic module 30 in the bearer area, and, owing to be provided with on heating bottom plate 10 and prevent casting die 20, therefore, when lamination device carries out the lamination to double-glass photovoltaic module 30, no longer need the manual work to move and place the frame cover of preventing excessive pressure for each double-glass photovoltaic module 30, also can prevent to place double-glass photovoltaic module 30 in the bearer area and take place the condition of "excessive pressure", thereby realize that the action of cancelling personnel manual placement lamination frame before double-glass photovoltaic module 30 gets into the laminator, realize the automation of double-glass photovoltaic module 30 production, have the beneficial effect of improving double-glass photovoltaic module 30 lamination efficiency. Moreover, the overpressure-preventing part 20 is detachably connected with the heating bottom plate 10, and the overpressure-preventing parts 20 with different specifications can be conveniently replaced or the overpressure-preventing parts 20 can be detached according to process requirements.

It should be noted that the overpressure-proof component 20 is made of a high-temperature-resistant material, and may be an aluminum alloy, an epoxy resin, or a skid, which is not limited in this embodiment.

Optionally, in the embodiment of the present application, a receiving groove 11 is formed on the non-bearing region of the heating base plate 10, the receiving groove 11 extends along the first direction, and the overpressure preventing component 20 is detachably connected to the receiving groove 11.

In the embodiment of the present application, the receiving groove 11 is disposed in the non-bearing region, and the receiving groove 11 is disposed to receive the overpressure-proof member 20, so as to realize the connection between the overpressure-proof member 20 and the heating base plate 10. And, the overpressure preventing pieces 20 are detachably coupled with the receiving grooves 11. The accommodating groove 11 opened in the non-bearing area is provided along the first direction, and in practical applications, in order to mount the overpressure-preventing member 20 on the heating base plate 10, the overpressure-preventing member 20 is provided in the accommodating groove 11. And holding tank 11 sets up along the first direction, and then, prevents that excessive pressure piece 20 also sets up along the first direction, when laminator cavity silica gel board pressurizes double-glass photovoltaic module 30 when laminating, the excessive pressure piece 20 of preventing of double-glass photovoltaic module 30 minor face position will play the effect of preventing excessive pressure to double-glass photovoltaic module 30 minor face edge. And prevent that to press between 20 and the heating bottom plate 10 can adopt the detachably mode to connect, when the production line need switch single glass assembly production, can will prevent pressing the pressure 20 and demolish, will prevent pressing the pressure 20 installation again when needing to produce double-glass photovoltaic module 30, be convenient for adjust at any time and produce the line structure, improve the flexibility of producing the line.

Specifically, the width of the receiving groove 11 is perpendicular to the first direction, and the width of the receiving groove 11 is slightly larger than the width of the overpressure-preventing member 20 to receive the overpressure-preventing member 20.

It should be noted that the overpressure-proof component 20 is clamped into the accommodating groove 11, and the double overpressure-proof component 20 can be limited in lamination, so that the offset of the overpressure-proof component 20 can be avoided, and an explosion component is avoided.

Optionally, in the embodiment of the present application, one of the receiving groove 11 and the overpressure-preventing member 20 is provided with a sliding groove, and the other is provided with a guiding rail, and the sliding groove and the guiding rail cooperate to slidably connect the overpressure-preventing member 20 and the receiving groove 11.

In the embodiment of the present application, the sliding groove and the guide rail are connected in a matching manner, wherein the sliding groove can be disposed in the accommodating groove 11, and correspondingly, the guide rail is disposed on the overpressure-proof member 20; the receiving groove 11 can also be provided with a guide rail and correspondingly, the overpressure preventing part 20 is provided with a sliding groove. The sliding connection between the accommodating groove 11 and the overpressure preventing member 20 is realized by the mutually fitting connection between the guide rail and the sliding groove. In this application embodiment, through holding tank 11 respectively and preventing that one in excessive pressure piece 20 is provided with the spout, the other is provided with the guide rail, and spout and guide rail cooperate, have and realize preventing the connection between excessive pressure piece 20 and the heating bottom plate 10, prevent to prevent that excessive pressure piece 20 breaks away from the beneficial effect on heating bottom plate 10 along the direction of perpendicular to first direction.

It should be noted that the sliding groove may be disposed on the bottom surface of the accommodating groove 11, the sliding groove may also be disposed on any side surface of the accommodating groove 11, and the sliding groove may also be disposed on both the bottom surface of the accommodating groove 11 and the side surface of the accommodating groove 11; accordingly, the guide rail may be disposed on the bottom surface of the overpressure preventing member 20, the guide rail may be disposed on either side surface of the overpressure preventing member 20, and the guide rail may be disposed on both the bottom surface of the overpressure preventing member 20 and the side surface of the overpressure preventing member 20. As described above, the slide groove and the guide rail may be provided on either one of the receiving groove 11 and the over-pressure preventing member 20, but the embodiment is not limited thereto.

Alternatively, as shown in fig. 1 and 3, in the embodiment of the present application, the overvoltage protector 20 includes an overvoltage protector body 21 and a plurality of magnetic connectors 22, and the plurality of magnetic connectors 22 are embedded in the overvoltage protector body 21 so that the overvoltage protector 20 and the heating base plate 10 are connected by suction.

In the embodiment of the present application, the overpressure preventing member body 21 is configured to protrude from the first surface 12, so as to prevent the double-glass photovoltaic module 30 from generating overpressure during the lamination process. A plurality of magnetic connectors 22 are provided for magnetically attracting the heated base plate 10. The overpressure-proof part body 21 can be provided with a plurality of mounting holes, and the magnetic connectors 22 are embedded into the mounting holes. When the excessive pressure preventing member 20 is mounted in the receiving groove 11, the magnetic connecting member 22 is attracted to the receiving groove 11, so that the excessive pressure preventing member body 21 and the receiving groove 11 are attracted. The embodiment of the present application has the beneficial effects of realizing the connection between the overpressure prevention member 20 and the heating base plate 10, and preventing the overpressure prevention member 20 from being detached from the heating base plate 10.

It should be noted that the heating base plate 10 is made of a metal iron plate, and the overpressure preventing member 20 is magnetically attracted to the heating base plate 10, so as to achieve connection between the overpressure preventing member 20 and the heating base plate 10.

It should be noted that the magnetic connector 22 may be a strong magnetic cylinder or a strong magnetic prism, and this embodiment is not limited in any way.

Optionally, in the embodiment of the present application, the plurality of magnetic connectors 22 are uniformly embedded in the overvoltage protection member body 21, and the height of the magnetic connector 22 is the same as the height of the overvoltage protection member body 21.

In this embodiment, after the magnetic connecting member 22 is embedded into the overpressure-proof member body 21, the overpressure-proof member body 21 is adsorbed in the accommodating groove 11 by using the magnetic attraction function of the magnetic connecting member 22, so as to realize the connection between the overpressure-proof member 20 and the heating base plate 10. The magnetic connecting pieces 22 uniformly embedded in the overvoltage preventing member body 21 can uniformly realize the connection between the overvoltage preventing member 20 and the heating base plate 10, and prevent the lamination equipment from causing overvoltage to the dual-glass photovoltaic module 30 due to the disconnection of the overvoltage preventing member 20 and the heating base plate 10 or the movement of the overvoltage preventing member 20 in the accommodating groove 11 in the lamination process. Wherein, the height of the magnetic connecting piece 22 can be consistent with the height of the overpressure preventing piece body 21, that is, the magnetic connecting piece 22 does not protrude out of the surface of the overpressure preventing piece body 21. When lamination equipment carries out the lamination to two glass photovoltaic module 30, prevent that excessive pressure spare body 21 and magnetic connector 22 all bulge in first surface 12, and the height of magnetic connector 22 and the highly uniform of preventing excessive pressure spare body 21 avoid being greater than because of magnetic connector 22 highly prevents excessive pressure spare body 21 height, or, prevent that excessive pressure spare body 21 height is greater than magnetic connector 22 highly and cause the atress inhomogeneous in the lamination, and lead to two glass photovoltaic module 30 quality to receive the beneficial effect of influence. Note that the magnetic connector 22 and the overpressure preventing member body 21 are in an interference fit.

Alternatively, in the present embodiment, any one of the receiving groove 11 and the overpressure preventing member 20 is provided with a sunk bolt hole, and the receiving groove 11 and the overpressure preventing member 20 are connected by a bolt. The head of the bolt and the countersunk bolt hole may be flush. It should be noted that the bolt is a type of fastener composed of a head and a screw (a cylinder with an external thread). The head of the bolt may be hexagonal, round, square, countersunk, etc., and this embodiment is not limited in any way.

In the embodiment of the present application, the surface of the overpressure preventing piece 20 departing from the bottom surface of the receiving groove 11 may be provided with a sunken bolt hole, and when the heating base plate 10 and the overpressure preventing piece 20 are connected by a bolt, the sunken bolt hole receives the head of the bolt, so that the head of the bolt and the overpressure preventing piece 20 are flush, that is, the bolt does not protrude from the surface of the overpressure preventing piece 20. The embodiment of this application has and avoids highly being greater than because of the bolt and preventing that the atress is inhomogeneous in the lamination that highly causes of pressure spare 20, and leads to dual-glass photovoltaic module 30 quality to receive the beneficial effect who influences.

Alternatively, in the embodiment of the present application, the receiving groove 11 and the overpressure preventing part 20 are connected by a spring buckle, the spring buckle includes a fixed portion and a movable portion, the movable portion is provided on one of the receiving groove 11 and the overpressure preventing part 20, and the fixed portion is provided on the other of the receiving groove 11 and the overpressure preventing part 20, when the receiving groove 11 and the overpressure preventing part 20 are connected, the movable portion and the fixed portion are fastened, and the height of the spring buckle is lower than that of the overpressure preventing part 20.

In the embodiment of the present application, the receiving groove 11 and the overpressure preventing member 20 are snap-coupled by a spring. Wherein, the spring buckle includes fixed part and movable part, and fixed part and movable part can switch between lock joint state and disengagement state. The fixed part can be arranged on the overpressure-proof piece 20, and correspondingly, the movable part is arranged in the accommodating groove 11; the fixed part can also be arranged in the receiving groove 11 and the movable part on the overpressure protection 20. When the movable part and the fixed part are buckled, the accommodating groove 11 and the overpressure-proof part 20 are connected, so that the double-glass photovoltaic assembly 30 is prevented from being overpressured by the laminating equipment. And, when the movable part and the fixed part are fastened, the height of the spring fastener is lower than that of the receiving groove 11. The embodiment of this application realizes holding tank 11 and prevents that excessive pressure piece 20 connects and realize preventing two glass photovoltaic module 30 from preventing the excessive pressure in, still has to avoid highly being greater than because of the spring buckle and preventing that excessive pressure piece 20 highly causes two glass photovoltaic module 30 atress inhomogeneous in the lamination, and leads to two glass photovoltaic module 30 quality to receive the beneficial effect who influences.

It should be noted that, be provided with at least one reference column on the fixed part, activity spout and spring, the movable part sets up on fixed fastener through sliding with the cooperation of activity spout, be provided with at least one buckle on the movable part, the buckle end is provided with the overhead kick, the spring activity sets up in the activity spout and through the elastic action drive movable part reset, make the movable part tend to resume the initial position state under not receiving any external force effect with the reference column all the time through the elastic action promptly, fixed part detachable fixes on prevent excessive pressure spare 20 or holding tank 11, the movable part realizes putting the lock between casting die 20 and heating bottom plate 10 through the quick activity of buckle and reference column mutually supporting with the fixed part.

Optionally, in this embodiment of the application, the accommodating groove 11 is close to the groove edge of the carrying area and is spaced from the dual-glass photovoltaic assembly 30 by 5mm to 8mm. E.g., 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm, etc.

In this application embodiment, holding tank 11 has the interval near the trough edge of double-glass photovoltaic group 30 and between double-glass photovoltaic group 30, and the setting of interval is in order not to influence the normal heating lamination of double-glass photovoltaic group 30. Before carrying out the lamination to two glass photovoltaic group 30, will prevent that excessive pressure piece 20 from installing in holding tank 11, the minor face distance of two glass photovoltaic group 30 prevents that excessive pressure piece 20's distance requires evenly, and the interval can guarantee that two glass photovoltaic group 30 is normal overflow gluey and carminative requirement at the lamination in-process. The interval undersize then overflows and glues and overflow easily on dual-glass photovoltaic module 30, and the interval is too big, then makes dual-glass photovoltaic module 30 lamination in-process glass edge bubble appear easily. Therefore, when the scope of interval is 5mm ~ 8mm, can prevent the excessive pressure to two glass photovoltaic group 30 when guaranteeing to two glass photovoltaic group 30 normal lamination, have the beneficial effect that improves two glass photovoltaic group 30 production quality.

Note that, preferably, the pitch may be 5mm.

It should also be noted that when the dual-glass photovoltaic group 30 is laminated, a first preset distance is formed between two adjacent dual-glass photovoltaic groups 30, and preferably, the first preset distance may be 20mm.

Alternatively, in the embodiment of the present application, the overpressure preventing member 20 protrudes from the first surface 12 by a distance of 5.5mm to 8mm. For example, the protrusion of the overpressure preventing member 20 from the first surface 12 may be 5.5mm, 6mm, 6.5mm, 6.8mm, 7mm, 7.5mm, 8mm, etc.

In this application embodiment, prevent setting up of excessive pressure piece 20 and outstanding in first surface 12, after dual-glass photovoltaic module 30 got into the laminator cavity, when laminator cavity silica gel plate was pressurizeed dual-glass photovoltaic module 30 when laminating, dual-glass photovoltaic module 30 minor face position prevent excessive pressure piece 20 will play to prevent excessive pressure effect to dual-glass photovoltaic module 30 minor face edge to avoided the laminator to produce excessive pressure dual-glass photovoltaic module 30, and leaded to seriously influencing dual-glass photovoltaic module 30 yields and life. Based on the consideration of the factors such as the thickness of the dual-glass photovoltaic assembly 30, the pressure intensity, the temperature, the duration and the like in the laminating process, when the height range of the anti-overvoltage part 20 protruding out of the first surface 12 is 5.5 mm-8 mm, the edge position of the short edge of the dual-glass photovoltaic assembly 30 is heightened through the anti-overvoltage part 20, the pressure of the edge position of the short edge is further reduced, and the dual-glass photovoltaic assembly 30 with higher quality can be obtained. The embodiment of this application has the beneficial effect that improves dual-glass photovoltaic module 30 quality.

Preferably, the height of the overpressure preventing member 20 protruding from the first surface 12 may be 5.5mm.

Optionally, the embodiment of the application also discloses a laminating machine, which comprises the laminating device.

In the embodiment of the application, the laminating machine with the laminating device can be used for laminating a single-glass photovoltaic module and can also be used for laminating a double-glass photovoltaic module 30. When the laminating machine needs to laminate the single-glass photovoltaic module, the at least two overpressure prevention pieces 20 are detached from the heating base plate 10; when the laminator needs to laminate dual-glass photovoltaic module 30, at least two prevent that excessive pressure piece 30 and holding tank 11 are connected to set up along dual-glass photovoltaic module 30's minor face. Be provided with at least two heating bottom plates of preventing excessive pressure piece 30, avoided taking place "excessive pressure" and lead to dual-glass photovoltaic module 30 to appear the quality defect that edge thickness is less than middle part thickness when laminating dual-glass photovoltaic module 30. And, two at least prevent that excessive pressure piece 20 has still realized cancelling the effect that personnel manually placed the lamination frame before double-glass photovoltaic module 30 gets into the laminator, has realized the automation of double-glass photovoltaic module 30 production, has the beneficial effect that improves double-glass photovoltaic module 30 lamination efficiency.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A laminating device, comprising:

a heated base plate having a first surface, the first surface comprising a non-load bearing region and a load bearing region for bearing a dual glass photovoltaic module; the first surface is provided with a first direction, and the first direction is parallel to the short side direction of the double-glass photovoltaic assembly;

the at least two pressure-preventing parts are detachably connected with the heating bottom plate, and are respectively arranged in the non-bearing area and arranged on two sides of the double-glass photovoltaic assembly along the first direction.

2. The laminating apparatus according to claim 1, wherein a receiving groove is defined in the non-bearing region, the receiving groove extending in the first direction, and the overpressure preventing member is detachably fitted in the receiving groove.

3. Laminating device according to claim 2, characterised in that one of the receiving groove and the over-pressure prevention element is provided with a sliding groove and the other with a guide rail, the sliding groove and the guide rail cooperating, the over-pressure prevention element being slidingly coupled in the receiving groove.

4. The laminating device according to claim 2, wherein the overpressure prevention member includes an overpressure prevention member body and a plurality of magnetic connecting members embedded in the overpressure prevention member body, and the overpressure prevention member body and the heating base plate are connected by adsorption by the plurality of magnetic connecting members.

5. The laminating device according to claim 4, wherein a plurality of said magnetic connectors are uniformly embedded in said overpressure resistant member body.

6. The laminating apparatus according to claim 2, wherein either one of said receiving groove and said excessive pressure preventing member is provided with a sunken bolt hole, and said receiving groove and said excessive pressure preventing member are connected by a bolt.

7. The laminating apparatus according to claim 2, wherein said overpressure preventing member is connected in said receiving groove by a spring clip, said spring clip including a fixed portion and a movable portion which are snappingly connected to each other, one of said receiving groove and said overpressure preventing member being provided with the movable portion and the other with the fixed portion.

8. The laminating device of claim 2, wherein the distance between the edge of the receiving groove near the bearing area and the dual-glass photovoltaic module is 5mm to 8mm.

9. The laminating device according to any one of claims 1 to 8, wherein said overpressure preventing member protrudes 5.5mm to 8mm from said first surface.

10. A laminating machine comprising a laminating apparatus according to any one of claims 1 to 9.

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