CN215797431U - Automatic conveying mechanism for EVA solar backboard film - Google Patents
Automatic conveying mechanism for EVA solar backboard film Download PDFInfo
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- CN215797431U CN215797431U CN202121591587.XU CN202121591587U CN215797431U CN 215797431 U CN215797431 U CN 215797431U CN 202121591587 U CN202121591587 U CN 202121591587U CN 215797431 U CN215797431 U CN 215797431U
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Abstract
The utility model discloses an automatic conveying mechanism for an EVA (ethylene vinyl acetate) solar backboard film, which comprises a conveying device and a storage device, wherein the discharge end of the conveying device is connected with the feed end of the storage device; the conveying device comprises a base, a conveying net curtain, a net curtain driving device and a blowing device, wherein the net curtain driving device comprises a driving roller, a transmission roller and a conveying driving motor which are rotatably connected with the base; the material storage device comprises a frame body, a square frame, a tension induction roller, a matching roller, a material storage driving motor, a screw rod and a lifting nut; the square frame is connected with the frame body in a sliding mode, the tension sensing roller is connected with the square frame in a rotating mode, and the matching roller is connected with the frame body in a rotating mode. After adopting above-mentioned structure, compare with prior art, this novel transport is more steady, realizes automatic storage, blowing, eliminates the internal stress of EVA film, improves the product quality of film.
Description
Technical Field
The utility model relates to the field of solar EVA (ethylene vinyl acetate) backboard film production equipment, in particular to an automatic conveying mechanism for an EVA solar backboard film.
Background
The solar backboard is also called as a solar backboard film, is positioned on the back of the solar cell panel, plays a role in protecting and supporting the cell, and has reliable insulativity, water resistance and aging resistance. The solar backboard film mainly adopts an EVA film, and the EVA has better flexibility and impact resistance.
After the existing EVA film is formed, the EVA film is mainly conveyed and rolled through a driving roller. Because the production speed of the EVA film is high and the product temperature is high, the film can not release stress during conveying. In addition, the surface tension of the film product is difficult to control when the film is pulled and conveyed by the driving roller; if the conveying speed of the film is higher than the winding speed of the film, the film is not subjected to enough traction tension, and the film is easy to wrinkle; if the conveying speed of film is slower than the rolling speed of film, then the film receives pull tension great, and easy tensile deformation and edge warping influence the product quality of film, consequently need set up storage device and adjust the tension of film.
In view of the above, the applicant has made an intensive study to solve the above problems and has made the present invention.
Disclosure of Invention
The utility model mainly aims to provide an automatic conveying mechanism for an EVA solar backboard film, which is more stable in conveying, realizes automatic material storage and discharge, eliminates the internal stress of the EVA film, and improves the product quality of the film.
In order to achieve the above purpose, the solution of the utility model is:
an automatic conveying mechanism for an EVA solar backboard film comprises a conveying device and a material storage device, wherein the discharge end of the conveying device is connected with the feed end of the material storage device;
the conveying device comprises a base, a conveying net curtain, a net curtain driving device and a blowing device, wherein the net curtain driving device comprises a driving roller and a transmission roller which are rotatably connected with the base, and a conveying driving motor for driving the driving roller to rotate;
the material storage device comprises a frame body, a square frame, a tension induction roller, a matching roller, a material storage driving motor, a screw rod and a lifting nut; square frame and support body sliding connection, the tension response roller rotates with square frame to be connected, the cooperation roller rotates with the support body to be connected, and tension response roller and the mutual parallel arrangement of cooperation roller, the vertical and symmetry setting of lead screw is in the left and right sides of support body, and the upper end and the support body of lead screw rotate to be connected, storage driving motor is connected and drives the lead screw rotation with the lower extreme of lead screw, the left and right sides at square frame is established to the lift nut symmetry, lift nut and lead screw threaded connection.
Further, blast apparatus is including the casing of blowing, the upper end of the casing of blowing is equipped with the air outlet towards the transport section setting, the lateral wall of air outlet from top to bottom inclines to the middle part gradually, and the lower extreme of the casing of blowing is equipped with the intake stack, and the intake stack has seted up the air intake in the lateral wall of the casing of blowing, the air intake is connected with the air-blower, and the upper end of intake stack is equipped with the scattered wind baffle that the slope set up, is equipped with the ventilation hole on the scattered wind baffle, the baffle that looses inclines to the outside gradually from top to bottom.
Further, the net curtain driving device further comprises a tensioning roller and a tensioning cylinder, the tensioning cylinder is arranged on the base, and two ends of the tensioning cylinder are connected with a piston rod of the tensioning cylinder.
Furthermore, the left side and the right side of the frame body are provided with guide rails, and the square frame is provided with guide sliders which are in sliding connection with the guide rails in a matched mode.
Further, storage device still includes counter weight mechanism, counter weight mechanism includes the counter weight chain, counter weight sprocket and balancing weight, the counter weight sprocket is established in the support body top, the counter weight chain is around establishing on the counter weight sprocket, the one end and the square frame of counter weight chain are connected and the other end is connected with the balancing weight.
Compared with the prior art, beneficial effect lies in:
(1) the utility model has simple structure, can temper the EVA film first to make the surface temperature more uniform, and simultaneously releases and reduces the internal stress of the EVA film. And then carrying out cold air setting on the EVA film. The EVA film is prevented from generating stress deformation, and the product quality of the EVA film is effectively improved.
(2) The EVA film is conveyed through the tiling of the conveying net curtain, so that the traction and the dragging of the EVA film can be reduced, the deformation of the product caused by the dragging can be further avoided, and the quality of the product can be effectively improved.
(3) The square frame is driven to lift through the screw rod mechanism, so that the distance between the tension induction roller and the matching roller is adjusted, the winding length of the film is increased or reduced, the effects of storing and discharging are achieved, and the film conveying speed can better follow the winding speed of the film.
(4) The tension induction roller induces the tension of the film and sends the signal to the control system, and the control system sends the signal to the driving motor to form real-time closed-loop control, so that the driving motor can adjust the position of the tension induction roller along with the change of the tension of the film, and the tension of the film is automatically adjusted.
Drawings
Fig. 1 is a perspective view of the external structure of the present invention.
Fig. 2 is a schematic structural diagram of the material storage device during discharging.
Fig. 3 is a schematic structural view of the stocker during storing.
Fig. 4 is a schematic view of a connection structure of the square frame and the tension induction roller.
Fig. 5 is a schematic structural view of the installation of the roller sleeve and the fixed sleeve.
In the figure:
a conveying device-1; a base-11; a conveying net curtain-12; a conveying section-121;
a screen driving device-13; a drive roll-131; a driving roller-132; a conveying drive motor-33;
a tension roller-134; a tensioning cylinder-135; -a blowing device-14; a first blowing device-141;
a second blowing device-142; a blower housing-143; an air outlet-144; an air inlet pipeline-145;
-146 air diffuser baffle; a material storage device-2; a frame body-21; a square frame-22;
a tension induction roll-23; a mating roll-24; a drive motor-25; a screw rod-26;
a lifting nut-27; -a guide rail-28; a guide block-29; a counterweight chain-31; a counterweight sprocket-32;
a roller sleeve-41; a fixing sleeve-42.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
As shown in fig. 1-5, an automatic conveying mechanism for an EVA solar back plate film comprises a conveying device 1 and a storage device 2, wherein a discharge end of the conveying device is connected with a feed end of the storage device 2, and a transitional traction frame body is arranged between the conveying device 1 and the storage device 2;
the conveying device 1 comprises a base 11, a conveying net curtain 12, a net curtain driving device 13 and a blowing device 14, wherein the conveying net curtain 12 is a polyester net curtain, and the conveying net curtain 12 is provided with uniformly distributed ventilation holes. The web curtain driving device 13 includes a driving roller 131 and a plurality of driving rollers 132 rotatably connected to the base 11, and a conveying driving motor 133 for driving the driving roller 131 to rotate, the conveying web curtain 12 is wound around the driving roller 131 and the driving rollers 132, and the conveying driving motor 133 drives the driving roller 131 to rotate, so as to drive the conveying web curtain 12 to move on the base 11. The conveying net curtain 12 is provided with a conveying section 121 for bearing and conveying the thin film, the blowing device 14 is arranged below the conveying section 121, in the embodiment, the blowing device 14 comprises a first blowing device 141 and a second blowing device 142, the first blowing device 141 is arranged below the feeding end of the conveying net curtain 12, the second blowing device 142 is arranged below the discharging end of the conveying net curtain 12, the first blowing device 141 conveys hot air to the front half section of the conveying net curtain 12, and the second blowing device 142 conveys cold air to the rear half section of the conveying net curtain 12. After adopting above-mentioned structure, place fashioned EVA film in the upper end of carrying the net curtain 12, drive the EVA film and carry forward when carrying the net curtain 12 operation, first device 141 that blows out hot-blast, tempers the EVA film, makes the temperature on EVA film surface more even, releases and reduces the internal stress of EVA film simultaneously. Then, the second air blowing device 142 blows out cold air to freeze the EVA film by the cold air, so that the EVA film is subjected to cold setting, the EVA film is prevented from generating stress deformation, and the product quality of the EVA film is effectively improved;
the storing device 2 comprises a frame body 21, a square frame 22, a tension induction roller 23, a matching roller 24, a storing driving motor 25, a screw rod 26 and a lifting nut 27; the square frame 22 is connected with the frame body 21 in a sliding mode, two ends of the tension sensing rollers 23 are rotatably connected with the square frame 22 through bearings, the matching rollers 24 are rotatably connected with the frame body 21 through bearings, the tension sensing rollers 23 and the matching rollers 24 are arranged in parallel, in the embodiment, the number of the tension sensing rollers 23 is two, the number of the matching rollers 24 is three, the tension sensing rollers 23 and the matching rollers 24 are arranged in a mutually spaced manner, films are sequentially wound on the matching rollers 24 and the tension sensing rollers 23, and the tension sensing rollers 23 can be induction roller assemblies which are conventionally sold in the existing market. The lead screw 26 is vertically and symmetrically arranged on the left side and the right side of the frame body 21, the upper end of the lead screw 26 is rotatably connected with the frame body 21, the storage driving motor 25 is connected with the lower end of the lead screw 26 through a gear reduction box and drives the lead screw 26 to rotate, the lifting nuts 27 are symmetrically arranged on the left side and the right side of the square frame 22, and the lifting nuts 27 are in threaded connection with the lead screw 26. After adopting above-mentioned structure, storage driving motor 25 drive lead screw 26 rotates, drives lifting nut 27 and square frame 22 and carries out elevating movement along lead screw 26 to adjust the distance between tension induction roll 23 and the cooperation roller 24, increase or reduce the film around establishing length, play the effect of storage and blowing, make the conveying speed of film can better follow the rolling speed of film.
Preferably, the blowing device 14 includes a blowing casing 143, an air outlet 144 disposed toward the conveying section 121 is disposed at an upper end of the blowing casing 143, a side wall of the air outlet 144 is inclined from top to bottom gradually toward the middle, so that the air outlet 144 can be fully distributed below the conveying mesh 12, an air inlet pipe 145 is disposed at a lower end of the blowing casing 143, an air inlet is disposed on the side wall of the blowing casing 143 of the air inlet pipe 145, the air inlet is connected with an air blower, an air diffusing baffle 146 disposed obliquely is disposed at an upper end of the air inlet pipe 145, a vent hole is disposed on the air diffusing baffle 146, and the air diffusing baffle 146 is inclined from top to bottom gradually toward the outside. After the structure is adopted, cold air or hot air is introduced into the air inlet pipeline 145 through the air blower, and the cold air or the hot air is guided through the air dispersing baffle plate 146 and blown out to two sides of the air outlet 144, so that the air outlet wind power and the temperature of the air outlet 144 are more uniform.
Preferably, the net curtain driving device 13 further includes a tension roller 134 and a tension cylinder 135, the tension cylinder 135 is disposed on the base 11, two ends of the tension cylinder 135 are rotatably connected to a piston rod of the tension cylinder 135, and an upper end surface of the tension roller 134 abuts against the conveying net curtain 12. With the above structure, the tensioning cylinder 135 drives the tensioning roller 134 to move up and down so as to adjust the tension of the conveying net curtain 12.
Preferably, the front end and the rear end of the left side and the right side of the frame body 21 are both provided with a guide rail 28 which is vertically arranged, and the square frame 22 is provided with a guide slider 29 which is matched and slidably connected with the guide rail 28. After adopting above-mentioned structure, can lead four corners of square frame 22 at the lift in-process, make square frame 22 lift more steady, the response of tension response roller 23 is more accurate.
Preferably, still include counter weight mechanism, counter weight mechanism includes counter weight chain 31, counter weight sprocket 32 and balancing weight, and counter weight sprocket 32 is established in support body 21 top, and counter weight chain 31 is around establishing on counter weight sprocket 32, and the one end and the square frame 22 of counter weight chain 31 are connected and the other end is connected with the balancing weight.
More preferably, a plurality of roller sleeves 41 are sleeved on the tension sensing roller 23 and the matching roller 24, fixing sleeves 42 are arranged at two ends of each roller sleeve 41, and the fixing sleeves 42 are fixedly connected with the tension sensing roller 23 or the matching roller 24 through screws. After adopting above-mentioned structure, fix roller shell 41 on tension induction roller 23 and cooperation roller 24 through fixed cover 42, the film can be around establishing and carry on roller shell 41, and the both sides limit of film can be fixed a position through fixed cover 42, avoids the film to take place lateral shifting in the transport to improve the rolling quality of film. And the corresponding number of roller sleeves 41 can be selected according to the width of the film, so that the applicability is stronger.
During operation, the formed EVA film is placed at the upper end of the conveying net curtain 12, the conveying net curtain 12 drives the EVA film to be conveyed forwards when in operation, the first air blowing device 141 blows hot air to temper the EVA film, and then the second air blowing device 142 blows cold air to freeze the EVA film by cold air so as to enable the EVA film to be cold-shaped. Then, the formed EVA film is sequentially wound on each matching roller 24 and each tension induction roller 23, when storing materials, the storage driving motor 25 drives the screw rod 26 to rotate to drive the square frame 22 to move downwards, the distance between each tension induction roller 23 and each matching roller 24 is increased, and the winding length of the film is increased, so that the effect of storing materials is achieved; during the blowing, storage driving motor 25 drive lead screw 26 rotates, drives square frame 22 upward movement, and the interval between tension induction roll 23 and the cooperation roller 24 diminishes, and the length reduction is established around of film to play the effect of storage. And in the process of storing, the tension induction roller 23 can induce the tension that the film received in real time, make the storage driving motor 25 can adjust the position of the tension induction roller 23 along with the tension change that the film received to carry out automated adjustment to the tension of film, improve the product quality of film.
Compared with the prior art, beneficial effect lies in:
(1) the utility model has simple structure, can temper the EVA film first to make the surface temperature more uniform, and simultaneously releases and reduces the internal stress of the EVA film. And then carrying out cold air setting on the EVA film. The EVA film is prevented from generating stress deformation, and the product quality of the EVA film is effectively improved.
(2) The EVA film is conveyed by the conveying net curtain 12 in a tiled mode, so that traction and dragging of the EVA film can be reduced, the phenomenon that the product is dragged to deform is further avoided, and the quality of the product is effectively improved.
(3) Through the square frame 22 lift of the 26 mechanism drive of lead screw to adjust the distance between tension induction roll 23 and the cooperation roller 24, thereby increase or reduce the length of establishing around of film, play the effect of storage and blowing, make the conveying speed of film can better follow the rolling speed of film.
(4) The tension induction roller 23 induces the tension of the film and sends the signal to the control system, and the control system sends the signal to the driving motor to form real-time closed-loop control, so that the driving motor can adjust the position of the tension induction roller 23 along with the change of the tension of the film, and the tension of the film is automatically adjusted.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (5)
1. The automatic conveying mechanism for the EVA solar backboard film is characterized by comprising a conveying device and a storage device, wherein the discharge end of the conveying device is connected with the feed end of the storage device;
the conveying device comprises a base, a conveying net curtain, a net curtain driving device and a blowing device, wherein the net curtain driving device comprises a driving roller and a transmission roller which are rotatably connected with the base, and a conveying driving motor for driving the driving roller to rotate;
the material storage device comprises a frame body, a square frame, a tension induction roller, a matching roller, a material storage driving motor, a screw rod and a lifting nut; square frame and support body sliding connection, the tension response roller rotates with square frame to be connected, the cooperation roller rotates with the support body to be connected, and tension response roller and the mutual parallel arrangement of cooperation roller, the vertical and symmetry setting of lead screw is in the left and right sides of support body, and the upper end and the support body of lead screw rotate to be connected, storage driving motor is connected and drives the lead screw rotation with the lower extreme of lead screw, the left and right sides at square frame is established to the lift nut symmetry, lift nut and lead screw threaded connection.
2. The automatic conveying mechanism for the EVA solar back sheet film of claim 1, wherein the blowing device comprises a blowing casing, the upper end of the blowing casing is provided with an air outlet arranged towards the conveying section, the side wall of the air outlet is gradually inclined towards the middle part from top to bottom, the lower end of the blowing casing is provided with an air inlet pipeline, the air inlet pipeline is provided with an air inlet on the side wall of the blowing casing, the air inlet is connected with an air blower, the upper end of the air inlet pipeline is provided with an inclined air dispersing baffle plate, the air dispersing baffle plate is provided with vent holes, and the air dispersing baffle plate is gradually inclined towards the outside from top to bottom.
3. The automatic conveying mechanism for the EVA solar backboard film of claim 2, wherein the screen curtain driving device further comprises a tensioning roller and a tensioning cylinder, the tensioning cylinder is arranged on the base, and two ends of the tensioning cylinder are connected with a piston rod of the tensioning cylinder.
4. The automatic conveying mechanism for the EVA solar backboard film of claim 1, wherein guide rails are arranged on the left side and the right side of the frame body, and guide blocks matched with the guide rails and connected with the guide rails in a sliding manner are arranged on the square frame.
5. The automatic conveying mechanism for the EVA solar back sheet films of claim 4, wherein the storage device further comprises a counterweight mechanism, the counterweight mechanism comprises a counterweight chain, a counterweight sprocket and a counterweight block, the counterweight sprocket is arranged above the frame body, the counterweight chain is wound on the counterweight sprocket, one end of the counterweight chain is connected with the square frame, and the other end of the counterweight chain is connected with the counterweight block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121591587.XU CN215797431U (en) | 2021-07-13 | 2021-07-13 | Automatic conveying mechanism for EVA solar backboard film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121591587.XU CN215797431U (en) | 2021-07-13 | 2021-07-13 | Automatic conveying mechanism for EVA solar backboard film |
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| Publication Number | Publication Date |
|---|---|
| CN215797431U true CN215797431U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121591587.XU Active CN215797431U (en) | 2021-07-13 | 2021-07-13 | Automatic conveying mechanism for EVA solar backboard film |
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| Country | Link |
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| CN (1) | CN215797431U (en) |
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2021
- 2021-07-13 CN CN202121591587.XU patent/CN215797431U/en active Active
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