Solar cell POE encapsulation adhesive film production device

Abstract

The application discloses a solar cell POE encapsulation adhesive film production device, and relates to the technical field of encapsulation adhesive film manufacturing equipment, which comprises a calender, a motor is fixedly installed on one side of the calender, and a pair of compression rollers are rotationally connected in the calender; the device further comprises a constraint mechanism, which comprises a mounting cylinder fixedly sleeved on the outside of the compression rollers, and a plurality of nails are slidably connected around the outside of the mounting cylinder; the transverse expansion of the material is constrained through the friction between the nails and the material, so that the transverse expansion of the material caused during the calendering of the accumulated material is reduced, the size precision of the adhesive film is improved, more adhesive film material is used for the calendering and stretching of the adhesive film, the unevenness of the edges of the adhesive film is prevented from being aggravated, and the cutting amount of the edges of the adhesive film is reduced; after the adhesive film is calendered, the nails are moved towards the end of the compression roller, an outward pulling force is applied to the edges of the adhesive film, the adhesion balance between the adhesive film and the nails is broken, and the adhesive film is separated from the nails.

Description

TECHNICAL FIELD

[0001] The present application relates to encapsulation film manufacturing equipment technical field, especially to a kind of solar cell POE encapsulation film production device. BACKGROUND

[0002] Solar cell POE (polyolefin elastomer) encapsulation film is a kind of key material for solar cell module encapsulation, which is used to bond and encapsulate solar cell piece with backboard, glass and other components, to protect the cell piece from the outside environment (such as moisture, oxygen, dust, etc.), and also provides good optical performance to ensure that light can be effectively absorbed by the cell piece.

[0003] The production of POE encapsulation film needs to go through mixing, extrusion, calendering and cooling and other steps, among which calendering is to roll the extruded film through calendering roller to make the material change from thick to thin and be stretched, and the thickness and flatness of the film are adjusted through multiple calendering to meet the required dimensional accuracy and surface roughness requirements, and to enhance the compactness and mechanical properties of the film.

[0004] During calendering, due to the extrusion of the calendering roller, the thicker side of the film material will accumulate at the position where it contacts the calendering roller. This part of the accumulated material will flow from the high-pressure middle area to the low-pressure edge area during calendering, resulting in an increase in the width of the film material after calendering. This increase in width not only reduces the dimensional accuracy of the film, but also increases the stress distribution difference inside the edge material, resulting in an even more uneven edge of the film after calendering, increasing the cutting amount after film forming and increasing the production cost. SUMMARY

[0005] The purpose of the present application is to solve the problem of material flowing from the high-pressure middle area to the low-pressure edge area during calendering, resulting in an increase in the width of the material, reducing the dimensional accuracy of the film production and causing the edge of the film to be uneven after forming, and to propose a solar cell POE encapsulation film production device.

[0006] In order to achieve the above purpose, the present application adopts the following technical solar cell POE encapsulation film production device: a calendering machine is provided, a motor is fixedly installed on one side of the calendering machine, a pair of calendering rollers are rotatably connected inside the calendering machine, and the calendering machine further comprises:

[0007] A constraint mechanism is provided, which comprises a mounting cylinder fixedly sleeved on the outside of the calendering roller, a plurality of nail pieces are slidably connected around the outside of the mounting cylinder, one end of each nail piece is fixedly connected with a connecting piece, an annular support is fixedly connected inside the calendering machine, a support spring is arranged between the connecting piece and the mounting cylinder, and a heating assembly is arranged on the outside of the calendering roller.

[0008] Before the pressing roller rotates to press the nail piece against the rubber film, the nail piece is gathered to the middle part of the pressing roller under the support of the annular support, so as to restrict the lateral expansion of the rubber film, and after the nail piece is pressed against the rubber film, the support spring applies a pushing force to the nail piece to separate the nail piece from the rubber film.

[0009] As a further description of the above-mentioned technology, the heating assembly comprises an annular communication device fixed between the pressing roller and the mounting cylinder, and the inside of the pressing roller is provided with a flow channel for conveying heat to the annular communication device.

[0010] As a further description of the above-mentioned technology, one side of the annular communication device is fixedly connected with a conveying pipe, the inside of the conveying pipe is slidably connected with a piston plate, the piston plate and the sliding block are fixedly connected with a circular pipe, and the inside of the circular pipe and the conveying pipe is provided with a one-way valve.

[0011] As a further description of the above-mentioned technology, the device further comprises a separation mechanism, the separation mechanism comprises a fixed strip fixedly connected to the end of the fixed strip and slidably connected with the inner wall of the nail piece, and when the nail piece slides to the middle part of the pressing roller, the fixed strip slides relative to the nail piece to increase the internal space of the nail piece.

[0012] As a further description of the above-mentioned technology, one side of the fixed strip is provided with a gas isolation assembly, the gas isolation assembly comprises a shell fixed to the fixed strip, the inside of the shell is slidably connected with a sealing plate, and the sealing plate and the shell are fixedly connected with a spring a.

[0013] As a further description of the above-mentioned technology, the inside of the nail piece is provided with a plurality of air jet control units, when the nail piece slides to the end part of the pressing roller, the air inside the nail piece is extruded and jetted to the space between the rubber film and the nail piece through the air jet control units.

[0014] As a further description of the above-mentioned technology, the air jet control unit comprises an air outlet nozzle embedded in the inside of the nail piece, and one side of the air outlet nozzle is fixedly connected with a connecting pipe extending into the inside of the nail piece.

[0015] As a further description of the above-mentioned technology, the lengths of the connecting pipes are sequentially and equally decreased, and when the sealing plate moves relative to the nail piece, each connecting pipe is sequentially pushed to jet air through the air outlet nozzle.

[0016] As a further description of the above-mentioned technology, a solar cell POE encapsulation adhesive film production device: the inner part of the A piece is fixedly connected with an outer sleeve, the inner part of the outer sleeve is slidably connected with an inner sleeve, a spring C is arranged between the outer sleeve and the inner sleeve, a spring B is arranged between the inner sleeve and the connecting pipe, the connecting pipe passes through the inner part of the outer sleeve and the inner sleeve, the inner wall diameter of the inner sleeve is equal to the diameter of the connecting pipe, the outer part of the connecting pipe is fixedly connected with a protrusion, a guide groove is formed in the inner part of the protrusion, and the connecting pipe is deflected when the protrusion slides in the guide groove.

[0017] As a further description of the above-mentioned technology, a solar cell POE encapsulation adhesive film production device: the driving shaft of the motor is fixedly connected with a worm, one end of the compression roller is fixedly connected with a worm wheel engaged with the worm, the inner part of the calender is slidably connected with a mounting seat rotatably connected with the upper compression roller, and the top of the calender is rotatably connected with a lead screw threadedly connected with the mounting seat.

[0018] As described above, due to the adoption of the above-mentioned technology, the solar cell POE encapsulation adhesive film production device has the following advantages:

[0019] When the A piece rotates with the compression roller to the adhesive film material accumulation position, the A piece slides to the middle part of the compression roller, and the friction between the A piece and the material restricts the lateral expansion of the material, thereby reducing the lateral expansion of the accumulated material during calendering, improving the size accuracy of the adhesive film, and making more adhesive film material available for calendering and stretching of the adhesive film, thereby improving the utilization rate of the material, preventing the unevenness of the edge of the adhesive film from being aggravated, reducing the cutting amount of the edge of the adhesive film, saving the production cost of the adhesive film, and compared with directly restricting the lateral expansion of the adhesive film material by the baffle, this design can make the material gather to the middle part of the compression roller by friction, thereby making the material distribution more uniform during calendering, and avoiding the edge material from being thinned and damaged due to excessive pressure;

[0020] After the adhesive film is calendered, the A piece is deflected away from the adhesive film while being subjected to the lateral thrust of the supporting spring, so that the A piece applies an outward pulling force to the edge of the adhesive film during movement towards the end of the compression roller, thereby helping to break the adhesion balance between the adhesive film and the A piece, promoting the separation of the adhesive film from the A piece, and reducing the possibility of adhesion between the adhesive film and the A piece.

[0021] The heating assembly can automatically deliver hot air to the inside of the toe piece ready to extrude the rubber film material, assisting the rubber film calendering. Compared with the traditional direct heating calender roll assisting calendering, this design can make full use of heat, reduce unnecessary energy loss, and thus achieve the effect of saving calendering cost. When the toe piece moves relative to the fixing strip, the space inside the toe piece for storing hot air increases, changing the flow pattern of hot air, which is conducive to enhancing heat convection and promoting uniform heat distribution.

[0022] When the rubber film calendering is completed and the toe piece is separated, the air injection inside the toe piece can apply a pushing force to the rubber film, separating the rubber film from the toe piece, avoiding adhesion, and the gradient design of the air injection control unit can change the air injection position with the position of the toe piece, further enhancing the effect of promoting rubber film separation by air flow. The angle of the air outlet nozzle can be deflected, so that during the movement of the rubber film after calendering, the direction of air injection can continuously align with the gap between the rubber film and the toe piece, making the separation process of the rubber film more stable, avoiding the situation that part of the rubber film separates first and part of it still adheres, causing deformation or tearing of the rubber film. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 An overall schematic diagram provided according to an embodiment of the present application is shown;

[0024] Figure 2 A worm gear schematic diagram provided according to an embodiment of the present application is shown;

[0025] Figure 3 A calendering process plane schematic diagram provided according to an embodiment of the present application is shown;

[0026] Figure 4 A ring-shaped support schematic diagram provided according to an embodiment of the present application is shown;

[0027] Figure 5 A calender roll cross-sectional schematic diagram provided according to an embodiment of the present application is shown;

[0028] Figure 6 A delivery pipe cross-sectional schematic diagram provided according to an embodiment of the present application is shown; Figure 5 An enlarged view of A in the middle;

[0029] Figure 7 A delivery pipe cross-sectional schematic diagram provided according to an embodiment of the present application is shown;

[0030] Figure 8 A toe piece inside schematic diagram provided according to an embodiment of the present application is shown;

[0031] Figure 9 A shell cross-sectional schematic diagram provided according to an embodiment of the present application is shown;

[0032] Figure 10 A structure diagram of a jet control unit according to an embodiment of the present application is shown;

[0033] Figure 11 A state switching diagram of a jet control unit according to an embodiment of the present application is shown.

[0034] Legend:

[0035] 10, calender; 11, motor; 12, worm; 13, worm wheel; 14, mounting seat; 15, screw rod; 16, compression roller;

[0036] 20, restraint mechanism; 21, mounting cylinder; 22, A piece; 23, connecting piece; 24, support spring; 25, annular support; 26, heating assembly; 261, sliding block; 262, annular communicator; 263, conveying pipe; 264, circular pipe; 265, piston plate; 266, one-way valve;

[0037] 30, separation mechanism; 31, fixed bar; 32, air isolation assembly; 321, outer shell; 322, sealing plate; 323, spring a; 33, jet control unit; 331, air outlet nozzle; 332, connecting pipe; 333, spring b; 334, inner layer sleeve; 335, outer layer sleeve; 336, spring c; 34, protruding block. DETAILED DESCRIPTION

[0038] The technical solar cell POE encapsulation adhesive film production device in the embodiments of the present application will be described below in connection with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0039] As Figures 1-11As shown, the present application provides: a solar cell POE encapsulation film production device: including a calender 10, a motor 11 is fixedly installed on one side of the calender 10, a pair of compression rollers 16 are rotatably connected inside the calender 10, the driving shaft of the motor 11 is fixedly connected with two worms 12, the ends of the two compression rollers 16 are respectively fixedly connected with two worm gears 13 engaged with the two worms 12, the directions of the two worms 12 are opposite, a mounting seat 14 is slidably connected inside the calender 10 and rotatably connected with the upper compression roller 16, a lead screw 15 is rotatably connected with the mounting seat 14 on the top of the calender 10, the motor 11 drives the two worms 12 to rotate, which can simultaneously drive the two worm gears 13 to rotate in opposite directions, and then make the two compression rollers 16 synchronously rotate in opposite directions to compress the film material, the lead screw 15 is used for adjusting the height of the mounting seat 14 to adjust the height of the upper compression roller 16, which is convenient for adjusting the distance between the two compression rollers 16 according to the thickness of the film material, and further comprising:

[0040] A constraint mechanism 20, the constraint mechanism 20 includes a mounting cylinder 21 fixedly sleeved on the outside of the compression roller 16, a plurality of nail pieces 22 are slidably connected around the outside of the mounting cylinder 21, the plurality of nail pieces 22 are divided into two groups, the two groups of nail pieces 22 are symmetrically arranged, the adjacent nail pieces 22 in each group are in contact with each other, one end of the nail piece 22 is fixedly connected with a connecting piece 23, an annular support 25 is fixedly connected inside the calender 10, a support spring 24 is arranged between the connecting piece 23 and the mounting cylinder 21, and a heating assembly 26 is arranged on the outside of the compression roller 16;

[0041] Referring to Figure 3 , before the compression roller 16 drives the nail piece 22 to extrude the film, that is, when the film is accumulated, the connecting piece 23 and the nail piece 22 are gathered to the middle part of the compression roller 16 under the support of the inclined surface of the annular support 25, the nail piece 22 constrains the lateral expansion of the film through friction, improves the lateral size accuracy of the film, and makes more film material used for the stretching of the film, while preventing the unevenness of the edge of the film from being aggravated, reducing the cutting amount of the edge of the film, after the nail piece 22 extrudes the film, the connecting piece 23 loses the support of the annular support 25, the support spring 24 applies a pushing force to the nail piece 22 to separate the film, reducing the possibility of adhesion between the film and the nail piece 22, and the length of the inclined surface of the annular support 25 for moving the connecting piece 23 and the nail piece 22 to the middle part of the compression roller 16 is greater than the width of the nail piece 22, the purpose is to make the next nail piece 22 move synchronously before the nail piece 22 that constrains the expansion of the film material stops moving, so that the film material can be continuously constrained by friction during the movement, preventing the constraint force from being interrupted.

[0042] Referring to Figure 5 and Figure 7The heating assembly 26 comprises an annular communication device 262 fixed between the compression roller 16 and the mounting cylinder 21, the inner part of the compression roller 16 is provided with a flow channel for conveying heat into the annular communication device 262, the flow channel is communicated with an external hot air conveying system, so that hot air used for heating the sheet 22 for auxiliary calendering can be conveyed into the inner part of the annular communication device 262 through the flow channel, one side of the annular communication device 262 is fixedly connected with a conveying pipe 263, the inner part of the conveying pipe 263 is slidably connected with a piston plate 265, the piston plate 265 and the sliding block 261 are fixedly connected with a circular pipe 264, the circular pipe 264 and the inner part of the conveying pipe 263 are both provided with a one-way valve 266, when the internal pressure of the annular communication device 262 increases, the one-way valve 266 on the conveying pipe 263 is opened under pressure, so that hot air enters the conveying pipe 263, when the sheet 22 moves to drive the sliding block 261 and the circular pipe 264 to push the piston plate 265, the internal pressure of the conveying pipe 263 increases to open the one-way valve 266 in the circular pipe 264, the hot air in the conveying pipe 263 enters the sheet 22 through the circular pipe 264 and the sliding block 261, so as to heat the sheet 22, only the sheet 22 in the moving state can inhale hot air for heating, the rest of the sheets 22 do not need to consume heat, unnecessary energy loss is reduced, and the effect of saving calendering cost is achieved.

[0043] With reference to Figure 5 , Figure 8 and Figure 9 , the separation mechanism 30 comprises a fixed bar 31 fixedly connected to the end of the fixed bar 31 and slidably connected with the inner wall of the sheet 22, when the sheet 22 slides to the middle part of the compression roller 16, the fixed bar 31 slides relative to the sheet 22 to increase the internal space of the sheet 22, change the flow pattern of the hot air in the sheet 22, and be beneficial to enhance the heat convection and promote uniform heat distribution, one side of the fixed bar 31 is provided with an air isolation assembly 32, the air isolation assembly 32 comprises an outer shell 321 fixed on the fixed bar 31, the inner part of the outer shell 321 is slidably connected with a sealing plate 322, the sealing plate 322 and the outer shell 321 are fixedly connected with a spring a 323, when the spring a 323 is not compressed, there is a gap between the outer shell 321 and the sealing plate 322 for hot air to pass through.

[0044] With reference to Figure 8 , Figure 10 and Figure 11The inside of the blade 22 is provided with several air jet control units 33. When the blade 22 slides to the end of the compression roller 16, the air inside the blade 22 is extruded to be sprayed between the rubber film and the blade 22 through the air jet control unit 33, which helps to promote the separation of the rubber film and the blade 22 and prevent the rubber film from sticking. The air jet control unit 33 includes an air outlet nozzle 331 embedded in the inside of the blade 22. One side of the air outlet nozzle 331 is fixedly connected with a connecting pipe 332 extending into the inside of the blade 22. The lengths of the several connecting pipes 332 are equal and decrease in turn. When the shell 321 and the sealing plate 322 move relative to the blade 22, each connecting pipe 332 is pushed in turn, and air is sprayed through the air outlet nozzle 331, so that the air jet position changes with the position of the blade 22, enhancing the effect of promoting the separation of the rubber film by air flow. The inside of the blade 22 is fixedly connected with an outer sleeve 335, and the inner sleeve 334 is slidably connected in the inside of the outer sleeve 335. The spring c 336 is arranged between the outer sleeve 335 and the inner sleeve 334, and the spring b 333 is arranged between the inner sleeve 334 and the connecting pipe 332. The connecting pipe 332 penetrates through the inside of the outer sleeve 335 and the inner sleeve 334. The inner wall diameter of the inner sleeve 334 is equal to the diameter of the connecting pipe 332. An air inlet hole is formed in one end of the connecting pipe 332 close to the shell 321. When the connecting pipe 332 and the air outlet nozzle 331 are pushed, the air outlet nozzle 331 is separated from the blade 22 to open the air outlet hole. The air in the blade 22 enters the connecting pipe 332 through the air inlet hole under the action of pressure, and then is sprayed through the air outlet hole of the air outlet nozzle 331. When the air inlet hole of the connecting pipe 332 enters the inside of the inner sleeve 334, the air inlet hole is in a closed state. At this time, another connecting pipe 332 is pushed to open the air outlet hole of another air outlet nozzle 331 to switch different air jet control units 33 for air jet. This design changes the position of the air jet during the movement of the blade 22, fully utilizes the air flow to separate the rubber film from the blade 22.

[0045] The outer side of the connecting pipe 332 is fixedly connected with a protrusion 34, and a guide groove is formed in the inner side of the protrusion 34. When the protrusion 34 slides in the guide groove, the connecting pipe 332 is deflected to drive the air outlet nozzle 331 to deflect and change the direction of the air flow. During the movement of the rubber film after being compressed, the direction of the air jet can continuously align with the gap between the rubber film and the blade 22, so that the separation process of the rubber film is more stable. In order to enable the inner sleeve 334 to close the air inlet hole of the connecting pipe 332, the position of the air inlet hole does not coincide with the guide groove during the deflection of the connecting pipe 332.

[0046] When the shell 321 is fixed with the fixed strip 31, when the nail plate 22 moves to the middle position of the compression roller 16, the shell 321 moves reversely relative to the nail plate 22, at this time the connecting pipe 332 is pressed on the sealing plate 322 under the elastic force of the spring b 333, the shell 321 and the sealing plate 322 are in a closed state, at this time hot air enters the inside of the nail plate 22 and cannot leak out from between the shell 321 and the sealing plate 322, when the air outlet nozzle 331 is embedded in the nail plate 22, the air outlet hole of the air outlet nozzle 331 is closed, the sealing plate 322 is separated from the connecting pipe 332, the elastic force of the spring a 323 separates the sealing plate 322 from the shell 321, at this time hot air enters one side of the sealing plate 322 through the gap between the shell 321 and the sealing plate 322 and fills the entire nail plate 22, so that the nail plate 22 is heated and the rubber film material is calendered; when the nail plate 22 moves to the end position of the compression roller 16, the shell 321 moves reversely relative to the nail plate 22, at this time the sealing plate 322 is pressed into the shell 321 in contact with the connecting pipe 332, the connecting pipe 332 and the air outlet nozzle 331 move outward from the inside of the nail plate 22, therefore the movement of the shell 321 pushes the air to increase the air pressure in the space where the outer sleeve 335 of the nail plate 22 is located, the air is sprayed out through the connecting pipe 332 and the air outlet nozzle 331, so that the rubber film is separated from the nail plate 22 and the sticking situation is avoided.

[0047] Working principle: when the rubber film material is extruded between the two compression rollers 16, the motor 11 is started to drive the worm 12 to rotate, the two compression rollers 16 are synchronously and reversely rotated through the two worm gears 13, the compression roller 16 drives the installation cylinder 21 and the nail plate 22 to rotate, the external hot air conveying system conveys hot air to the inside of the annular communication device 262 through the flow channel, the one-way valve 266 on the conveying pipe 263 opens under pressure after the pressure in the annular communication device 262 increases, so that hot air enters the conveying pipe 263;

[0048] The nail piece 22 rotating to the position of the rubber film material accumulation is pushed by the inclined surface of the annular support 25 to slide to the middle position of the compression roller 16. The movement of the nail piece 22 drives the sliding block 261 and the circular tube 264 to push the piston plate 265, so that the air pressure inside the conveying tube 263 increases. The increase of the hot air pressure inside the conveying tube 263 causes the one-way valve 266 in the circular tube 264 to open, so that the hot air enters the nail piece 22 through the circular tube 264 and the sliding block 261. At this time, the shell 321 moves relative to the nail piece 22 to the position where the fixed strip 31 is located. The connecting tube 332 is pressed on the sealing plate 322 under the elastic force of the spring b 333. The shell 321 and the sealing plate 322 are in a closed state. The hot air enters the inside of the nail piece 22 and cannot leak out from between the shell 321 and the sealing plate 322. When the air outlet nozzle 331 is embedded in the nail piece 22, the air outlet hole of the air outlet nozzle 331 is closed. The sealing plate 322 is separated from the connecting tube 332. The elastic force of the spring a 323 causes the sealing plate 322 to separate from the shell 321. At this time, the hot air enters the side of the sealing plate 322 through the gap between the shell 321 and the sealing plate 322, and fills the entire nail piece 22;

[0049] The nail pieces 22 on both sides of the compression roller 16 move to the middle until they are folded. At this time, the compression roller 16 rotates to calender the rubber film material through the folded nail pieces 22. After the calendering is completed, the connecting piece 23 loses the support of the annular support 25. The elastic force of the supporting spring 24 causes the connecting piece 23 and the nail piece 22 to reset. At this time, relative to the nail piece 22, the shell 321 and the sealing plate 322 move to the position where the air outlet nozzle 331 is located. At this time, the sealing plate 322 is in contact with the connecting tube 332 and is pressed into the shell 321. The connecting tube 332 and the air outlet nozzle 331 move outward from the inside of the nail piece 22. The movement of the shell 321 drives the sealing plate 322 to move to the position where the air outlet nozzle 331 is located, pushes the air, increases the air pressure in the space where the outer sleeve 335 of the nail piece 22 is located, and causes the air to be sprayed through the connecting tube 332 and the air outlet nozzle 331. The rubber film is separated from the nail piece 22;

[0050] The connecting pipe 332 is provided with an air inlet hole near one end of the shell 321. When the connecting pipe 332 and the air outlet nozzle 331 are pushed, the air outlet nozzle 331 is separated from the rubber sheet 22, so that the air outlet hole is opened. At this time, the air in the rubber sheet 22 enters the connecting pipe 332 from the air inlet hole under the action of pressure, and then is sprayed out through the air outlet hole of the air outlet nozzle 331. The shell 321 and the sealing plate 322 continue to push the connecting pipe 332, so that the air inlet hole of the connecting pipe 332 enters the inside of the inner sleeve pipe 334 and is closed. At this time, the other connecting pipe 332 is pushed, so that the air outlet hole of the other air outlet nozzle 331 is opened. In this way, different air jet control units 33 are switched to jet air. When the connecting pipe 332 slides in the inner sleeve pipe 334, the lug 34 slides in the guide groove to drive the connecting pipe 332 and the air outlet nozzle 331 to deflect. In the process that the air outlet nozzle 331 deflects with the rubber sheet 22 and the compression roller 16, the position of the air outlet hole of the air outlet nozzle 331 is always directed to the rubber film between the rubber sheet 22 and the rubber film, so that the separation process of the rubber film is more stable.

[0051] The above merely describes the preferred embodiments of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A solar cell POE encapsulation adhesive film production device, comprising a calender (10), a motor (11) is fixedly installed on one side of the calender (10), and a pair of compression rollers (16) are rotationally connected in the calender (10), characterized in that, Also include: Restraining mechanism (20), the restraining mechanism (20) includes the mounting cylinder (21) fixedly sleeved on the outside of the compression roller (16), the outside of the mounting cylinder (21) is slidably connected with a plurality of nail pieces (22), a plurality of the nail pieces (22) are divided into two groups, the two groups of nail pieces (22) are symmetrically arranged, every adjacent nail piece (22) in each group is in contact with each other, one end of the nail piece (22) is fixedly connected with a connecting piece (23), the inside of the calender (10) is fixedly connected with an annular support (25), the annular support (25) is provided with a trapezoidal section, the length of the inclined surface of the annular support (25) for pushing the connecting piece (23) and the nail piece (22) to move to the middle part of the compression roller (16) is greater than the width of the nail piece (22), the connecting piece (23) and the mounting cylinder (21) are provided with a supporting spring (24), the compression roller (16) is provided with a heating assembly (26); The heating assembly (26) includes an annular communication device (262) fixed between the compression roller (16) and the mounting cylinder (21), the inside of the compression roller (16) is provided with a flow channel for conveying heat into the annular communication device (262); One side of the annular communication device (262) is fixedly connected with a conveying pipe (263), the inside of the conveying pipe (263) is slidably connected with a piston plate (265), the piston plate (265) and the sliding block (261) are fixedly connected with a circular pipe (264), the inside of the circular pipe (264) and the conveying pipe (263) is provided with a check valve (266), when the nail piece (22) moves to drive the sliding block (261) and the circular pipe (264) to push the piston plate (265), the pressure in the conveying pipe (263) increases to make the check valve (266) in the circular pipe (264) open; Before the compression roller (16) rotates to drive the nail piece (22) to extrude the rubber film, the two groups of nail pieces (22) and connecting pieces (23) are respectively supported by the inclined surface of the trapezoidal section of the annular support (25) to move axially along the axis direction of the compression roller (16) to the middle part, and are gathered when moving to the plane section of the annular support (25) to restrain the lateral expansion of the rubber film, after the nail piece (22) extrudes the rubber film, the connecting piece (23) loses the support of the annular support (25), and the supporting spring (24) applies a pushing force to the nail piece (22) to separate the rubber film. 2.The solar cell POE encapsulant film production device of claim 1, wherein, Also include a separation mechanism (30), the separation mechanism (30) includes a fixed strip (31) fixedly connected to the end of the mounting cylinder (21) and slidably connected with the inner wall of the nail piece (22), when the nail piece (22) slides to the middle part of the compression roller (16), the fixed strip (31) slides relative to the nail piece (22) to increase the internal space of the nail piece (22). 3.The solar cell POE encapsulant film production device of claim 2, wherein, One side of the fixed strip (31) is provided with an air isolation assembly (32), the air isolation assembly (32) comprises a shell (321) fixed on the fixed strip (31), a sealing plate (322) is slidably connected inside the shell (321), a spring a (323) is fixedly connected between the sealing plate (322) and the shell (321), when the spring a (323) is not compressed, there is a gap between the shell (321) and the sealing plate (322) for hot air to pass through. 4.The solar cell POE encapsulant film production device of claim 3, wherein, The inside of the nail plate (22) is provided with several air jet control units (33), when the nail plate (22) moves away from the middle of the compression roller (16) along the trapezoidal section slope of the annular support (25), the air inside the nail plate (22) is extruded to be sprayed between the rubber film and the nail plate (22) through the air jet control unit (33).

5. The solar cell POE encapsulant film production device according to claim 4, wherein The air jet control unit (33) comprises an air outlet nozzle (331) embedded in the inside of the nail plate (22), one side of the air outlet nozzle (331) is fixedly connected with a connecting pipe (332) extending into the inside of the nail plate (22), an air inlet hole is formed in one end of the connecting pipe (332) close to the shell (321); When the nail plate (22) moves towards the middle position of the compression roller (16), the shell (321) moves reversely relative to the nail plate (22), at this time the connecting pipe (332) is extruded on the sealing plate (322), the shell (321) and the sealing plate (322) are in a closed state, when the air outlet nozzle (331) is embedded in the nail plate (22), the air outlet hole of the air outlet nozzle (331) is closed, the sealing plate (322) is separated from the connecting pipe (332), the elastic force of the spring a (323) makes the sealing plate (322) separate from the shell (321), at this time the hot air enters one side of the sealing plate (322) through the gap between the shell (321) and the sealing plate (322), and fills the entire nail plate (22); When the nail plate (22) moves away from the middle of the compression roller (16), the shell (321) moves reversely relative to the nail plate (322), at this time the sealing plate (322) is pressed into the shell (321) in contact with the connecting pipe (332), the connecting pipe (332) and the air outlet nozzle (331) move outward from the inside of the nail plate (22), therefore the movement of the shell (321) drives the sealing plate (322) to push the air, the air is sprayed through the connecting pipe (332) and the air outlet nozzle (331), so that the rubber film is separated from the nail plate (22). 6.The solar cell POE encapsulant film production device of claim 5, wherein, The lengths of the several connecting pipes (332) are equal and gradually decrease, when each connecting pipe (332) is pushed, the air is sprayed through the air outlet nozzle (331). 7.The solar cell POE encapsulant film production device of claim 6, wherein, The inside of the A piece (22) is fixedly connected with an outer sleeve (335), the inside of the outer sleeve (335) is slidably connected with an inner sleeve (334), spring c (336) is arranged between the outer sleeve (335) and the inner sleeve (334), spring b (333) is arranged between the inner sleeve (334) and the connecting pipe (332), the connecting pipe (332) passes through the inside of the outer sleeve (335) and the inner sleeve (334), the inner wall diameter of the inner sleeve (334) is equal to the diameter of the connecting pipe (332), the outside of the connecting pipe (332) is fixedly connected with a lug (34), a guide groove is formed in the inner sleeve (334), when the lug (34) slides in the guide groove, the connecting pipe (332) is deflected. 8.The solar cell POE encapsulant film production device of claim 1, wherein, The driving shaft of the motor (11) is fixedly connected with a worm (12), one end of the compression roller (16) is fixedly connected with a worm gear (13) engaged with the worm (12), the inside of the calender (10) is slidably connected with a mounting seat (14) rotatably connected with the upper compression roller (16), the top of the calender (10) is rotatably connected with a lead screw (15) threadedly connected with the mounting seat (14).

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