CN211507589U

CN211507589U - Buffer memory type material conveying table and photovoltaic module packaging equipment

Info

Publication number: CN211507589U
Application number: CN202020059204.3U
Authority: CN
Inventors: 路百超; 曹盼盼
Original assignee: QINHUANGDAO BOOSTSOLAR PHOTOVOLTAIC EQUIPMENT CO Ltd
Current assignee: QINHUANGDAO BOOSTSOLAR PHOTOVOLTAIC EQUIPMENT CO Ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-09-15
Anticipated expiration: 2030-01-13

Abstract

The utility model provides a buffer storage type transmission material platform and photovoltaic assembly packaging equipment, aiming at the problem that the failure of the working frequency of the previous working procedure and the next working procedure causes the material of the previous working procedure to stop production of the previous working procedure and the next working procedure, or the failure of the next working procedure causes the material of the previous working procedure to be transmitted to the next working procedure, the transmission material platform comprises a frame and a conveying device arranged on the frame, the conveying device is a conveying platform group, the conveying platform group comprises at least two conveying platforms, each conveying platform is arranged up and down, each conveying platform comprises a platform frame and a conveying mechanism driving device arranged on the platform frame, the packaging equipment comprises a feeding platform, a vacuum laminating machine, a hot press, a cold press and a discharging platform which are arranged in sequence, the risk of shutdown caused by the failure of the main equipment can be reduced by adopting the transmission material platform, the production efficiency is ensured, the material is prevented from being accumulated on the, by adopting the equipment, the production stop caused by the fault of the subsequent equipment or inconsistent production beats can be effectively prevented.

Description

Buffer memory type material conveying table and photovoltaic module packaging equipment

Technical Field

The utility model relates to a material transmission equipment and photovoltaic module encapsulation equipment, in particular to buffer memory formula transmission material platform and photovoltaic module encapsulation equipment.

Background

In a production line, a material conveying device is often arranged between functional devices for transferring materials. General material transmission device carries out the horizontal conveying through the conveyer belt, and the work piece that the previous process was accomplished is spread after being received by material transmission device, but when the equipment of next process broke down, the work piece of previous process can't be received by material transmission device, can't be in time conveyed out, consequently, causes the production line to stop production, makes production efficiency low. Or when the working frequency of the previous working procedure is inconsistent with that of the next working procedure, the materials transmitted by the material transmission device cannot be transmitted to the next working procedure, so that the materials are accumulated to influence the production.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a buffer type material conveying platform, which aims at the problem that the working frequency of the previous working procedure is inconsistent with that of the next working procedure or the failure of the next working procedure causes the failure of the material of the previous working procedure to the next working procedure, which causes the production stop of the previous working procedure and the next working procedure;

another object of the utility model is to provide a photovoltaic module equipment for encapsulating of ability buffer memory material.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a buffer storage type material conveying platform comprises a rack and a conveying device arranged on the rack, wherein the conveying device is a conveying platform group, the conveying platform group comprises at least two conveying platforms, each conveying platform is arranged up and down, each conveying platform comprises a platform frame, a conveying mechanism and a conveying mechanism driving device, the conveying mechanism and the conveying mechanism driving device are arranged on the platform frame, the conveying mechanism driving device drives the corresponding conveying mechanism to convey, the platform frame of each conveying platform is vertically and slidably connected with the rack, the platform frames of adjacent conveying platforms are fixedly connected through a supporting seat, and a lifting driving device is fixedly connected with the conveying platform group and drives the conveying platform group to lift;

the lifting driving device comprises a first chain transmission device, a second chain transmission device and a lifting motor, a conveying platform group is connected with the rack in a sliding mode through a platform frame and a sliding connection device of the conveying platform group, the left side and the right side of the front end and the left side and the right side of the rear end of the rack are respectively provided with the first chain transmission devices, transmission chains of the first four chain transmission devices are vertically arranged, chain wheels positioned above the first chain transmission devices at the same side are connected through an upper connecting shaft, chain wheels positioned below the first chain transmission devices at the same side are connected through a lower connecting shaft, driven chain wheels of the second two chain transmission devices are respectively arranged on the two upper connecting shafts, driving chain wheels are in meshing transmission connection through meshing gears, a driving chain wheel of the second chain transmission device is connected with the output end of the lifting motor, a chain at one side of the lifting chain in the first chain transmission device is fixedly connected with, the counterweight plate is vertically connected with the rack in a sliding manner;

a stop block is fixedly arranged on the rack, the stop block is positioned below the platform frame below the stop block, and when the conveying platform is positioned at the lowest end, the platform frame at the lower part is arranged on the stop block;

the vertical conveying device is characterized in that multiple layers of racks are arranged in the vertical direction, a conveying platform is arranged on each layer of rack, and the conveying platforms are arranged on one side of each conveying platform.

A photovoltaic module packaging device comprises a feeding table, a vacuum laminating machine, a hot press, a cold press and a discharging table which are arranged in sequence; the feeding table and the discharging table are buffer storage type transmission material tables of one of the above items, the feeding table, the vacuum laminator, the hot press, the cold press and the discharging table are all provided with a plurality of feeding tables, the vacuum laminator, the hot press, the cold press and the discharging table are respectively arranged into a plurality of layers up and down to form a multilayer feeding table, a multilayer vacuum laminator, a multilayer hot press, a multilayer cold press and a multilayer discharging table, the vacuum laminator, the hot press and the cold press on the same layer are in butt joint, each conveying platform of each feeding table can be in butt joint with the conveying device of the hot press on the same layer, and each conveying platform of each discharging table can be in butt joint with the conveying device of the cold press on the same layer;

the photovoltaic module packaging equipment is provided with a first lifting machine in front of the feeding table, a second lifting machine behind the discharging table, the first lifting machine can be in butt joint with each conveying platform of the feeding table, and the second lifting machine can be in butt joint with each conveying platform of the discharging table;

the hot press comprises an upper box, a lower box, a heating workbench, a box body driving device, a locking device and an inflating device, wherein the heating workbench is arranged in the lower box, the driving device drives the upper box and the lower box to be opened and closed, a sealing cavity is formed when the upper box and the lower box are closed, the upper box and the lower box are connected through the locking device, a flexible pressing piece is fixedly arranged on the upper box, the sealing cavity is divided into an upper cavity and a lower cavity by the flexible pressing piece, and the upper cavity is communicated with the inflating device;

the cold press comprises an upper cooling plate, a lower cooling plate and a buffer device, wherein a containing cavity for containing a photovoltaic assembly is arranged on the upper cooling plate and/or the lower cooling plate, the depth of the containing cavity is less than or equal to the thickness of the photovoltaic assembly, the upper cooling plate and the lower cooling plate can be opened and closed under the driving of a driving device III, a sealed containing cavity is formed through an elastic sealing element after the upper cooling plate and the lower cooling plate are closed, the buffer device and an elastic sealing ring jointly support the upper cooling plate when the upper cooling plate and the lower cooling plate are closed, the sealed cavity is communicated with a vacuum device, a flexible gasket is arranged on the upper cooling plate, the inner side of the upper cooling plate is provided with the flexible gasket, the flexible gasket is arranged outside the elastic sealing ring and is fixed on the upper cooling;

a cooling liquid containing cavity is arranged in each of the upper cooling plate and the lower cooling plate and used for containing cooling liquid, and the cooling liquid containing cavity is communicated with a cooling liquid supply device;

the vacuum laminating machine, the hot press and the cold press on each layer are respectively connected with a control device and are supported by a frame body.

The utility model discloses following beneficial effect has:

adopt the utility model discloses the transmission material platform of structure is owing to set up two at least conveying platforms that can go up and down simultaneously, can make each conveying platform dock with the discharge end or the feed end of main equipment respectively, receive or conveying material, prepare to receive the material by one of them conveying platform, other conveying platforms can keep in the material, when equipment goes wrong, can utilize the time that the work piece kept in, carry out the maintenance in short-term to equipment, can reduce the risk that causes the shut down because of main equipment trouble, help guaranteeing production efficiency, perhaps the operating frequency between the coordination equipment that can be better, prevent that the material from piling up at the main equipment and causing the shut down production, help guaranteeing production efficiency.

Adopt the utility model discloses the photovoltaic module encapsulation equipment of structure, discharge end at the cooler sets up buffer memory formula transmission material platform, every transmission material platform has two conveying platforms that can go up and down at least, can keep in another conveying platform of material through a conveying platform and receive the material that the cooler transmitted at any time with the cooler butt joint, consequently when lamination processing equipment and lamination follow-up equipment go wrong, the material also can in time convey out the cooler when perhaps the process beat is inconsistent around the encapsulation equipment, can effectively prevent the shutdown that causes because of the trouble of back-end equipment or the production beat is inconsistent.

Drawings

Fig. 1 is a schematic structural diagram of a buffer storage type material conveying table of the present invention in an embodiment 1;

FIG. 2 is a schematic view of a fixing member in embodiment 1;

FIG. 3 is an enlarged view at A in FIG. 1;

FIG. 4 is an enlarged view at B in FIG. 1;

fig. 5 is a schematic view of a position structure of a lifting drive device in embodiment 1 of a buffer type conveying table, wherein a door is hidden;

FIG. 6 is a schematic view showing the positional relationship between the sensor and the detecting piece and the apparatus in example 1;

fig. 7 is a schematic structural diagram of a buffer storage type material conveying table of the present invention in embodiment 2;

fig. 8 is a schematic structural diagram of an embodiment of the photovoltaic module packaging apparatus of the present invention;

fig. 9 is a schematic view of the overall structure of the embodiment of the hot press of the photovoltaic module packaging apparatus of the present invention;

fig. 10 is a schematic structural view of a cross-sectional view of an embodiment of a hot press of the photovoltaic module packaging apparatus of the present invention;

fig. 11 is a schematic view of a connecting structure of an embodiment of a locking device of a hot press of the photovoltaic module packaging device of the present invention;

fig. 12 is a schematic perspective view of an embodiment of a cold press of the photovoltaic module packaging apparatus of the present invention;

figure 13 is a schematic structural view of a cross-sectional view of an embodiment of a cold press of the photovoltaic module packaging apparatus of the present invention;

figure 14 is a schematic structural view of a cross-sectional view of an elastic sealing member of an embodiment of a cold press of the photovoltaic module packaging apparatus of the present invention; wherein the dotted line portion is the outline in the non-inflated state and the solid line portion is the outline in the non-compressed state in the inflated state;

FIG. 15 is a schematic cross-sectional view of an embodiment of a resilient inflatable gasket;

FIG. 16 is a schematic cross-sectional view of another embodiment of a resilient inflatable sealing ring;

FIG. 17 is a schematic view showing a sealing state of the elastic inflatable sealing ring according to the first embodiment of the present invention;

fig. 18 is a schematic structural view of another embodiment of the buffering device of the present invention;

fig. 19 is a schematic view showing a closed state of an upper cooling plate and a lower cooling plate of a damper according to the embodiment of fig. 11.

The description of the reference numerals,

10. a frame; 11. a vertical frame; 12. a door; 13. a stopper; 14. a transverse frame; 15. longitudinal frame

20. A group of transport platforms; 21. a platform frame; 22. a conveyor belt; 23. a transfer drive device; 201-transport platform

30. A supporting seat; 31 upright post, 32 connecting bolt 33 and flat plate

40. A sliding assembly; 41. a slide rail; 42. a slider;

50. a lift drive; 51. a first chain transmission device; 511. a lifting chain; 52. a second chain transmission device; 53. a gear pair; 54. an upper connecting shaft; 55. a lower connecting shaft; 56. a lifting motor; 57. a connecting seat;

60. a counterweight device; 61. a weight plate; 62. a counterweight sliding block;

70. a proximity sensor; 71. detecting a sheet;

500-vacuum laminator 501-high temperature cloth conveyor 502-roller

600-hot press

610-upper box two 611-flexible pressing piece two 612-pressing frame two 613-clamp two 614-sealing ring two 615-upper cavity two 630-lower box two 631-heating workbench two 632-heating device 633-high temperature cloth conveyor belt two 634-lower cavity two 650-inflating device 651-inflating pipe two 653-inflating valve 660-locking device, 661-seat body two 662-plug pin 663-plug hole one 665-hook 666-buckle 667-threaded rod 668-lock catch 669-pull rod 680-driving device

700-cold press 701-upper cooling plate 702-lower cooling plate 703-chamber three 704-seal cavity three 705-cooling channel 706-output pipe 707-upper box three 710-driving device three 720-buffer device 721-elastic body 722-seat body three 723-extending arm 724-elastic return groove 725-spring 726-support seat 730-seal three 731-bar projection 732-seal ring body 733-seal ring inner cavity 734-arc bending 735-pressure frame three 736-inner recess 737-flexible gasket 738-reel device 739-hand wheel one 740-hand wheel two 741-reel 745-pressure strip 746-gasket bolt 747-bearing seat

810. A first hoister; 820. a second hoisting machine; 830. a feeding table;

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: a buffer type material conveying platform is shown in figure 1 and comprises a rack 10 and a conveying platform group 20 arranged on the rack 10. The rack 10 comprises a transverse frame 14, a longitudinal frame 15 and a vertical frame 11, a door 12 can be arranged on the rack, the door 12 is movably arranged on two sides of the rack 10 and is positioned between the upper longitudinal frame 15 and the lower longitudinal frame 15, the conveying platform group 20 is supported by the vertical frame 11, the front end and the rear end of the conveying platform group 20 are positioned outside the front transverse frame 14 and the rear transverse frame 14, and the door 12 can be detached or opened to facilitate the installation and maintenance of the conveying platform 20. The conveying platform set 20 in this embodiment includes two conveying platforms 201 one above the other and a lifting driving device 50, each conveying platform 201 is vertically connected with the rack 10 in a sliding manner, and the lifting driving device 50 drives the conveying platform set 20 to slide and lift on the rack 10. Reciprocate through conveying platform group 20, can make two upper and lower conveying platforms 201 successively with the discharge end or the pan feeding end butt joint of main equipment, such a conveying platform 201 can regard as the buffer memory material platform, can let the work piece keep in a period on the conveying platform as buffer memory material platform in the link that needs to wait for, provides a period for the equipment maintenance of next procedure, reduces or avoids the down time of previous procedure, helps improving production efficiency. The conveying platform group 20 may include more than two conveying platforms 201, the conveying platforms 201 in the conveying platform group are arranged in the vertical direction, the more conveying platforms 201 are arranged in the conveying platforms, the larger the buffer amount is, and the corresponding number of conveying platforms 201 may be arranged according to the actual buffer demand.

Each of the conveying platforms 201 includes a platform frame 21, a conveying mechanism provided on the platform frame 21, and a conveying driving device 23, the conveying mechanism may be a conveying belt 22, a roller conveying mechanism, or a roller conveying mechanism, and the conveying belt 22 is used as the conveying mechanism in this embodiment. The platform frame 21 is a frame body having a generally rectangular frame shape and is disposed horizontally. The conveyor belt 22 is rotatably connected to the platform frame 21 through belt shafts arranged at the front end and the rear end of the platform frame, and a support roller can be further arranged below the conveyor belt, and is parallel to the belt shafts and rotatably connected to the platform frame 21. The transmission driving device 23 is arranged on one side of the platform frame 21 and comprises a speed reducing motor and a chain transmission device, a driving chain wheel and a driven chain wheel of the transmission driving device are both rotationally connected with the platform frame, and an output shaft of the speed reducing motor is coaxially and fixedly connected with the driving chain wheel. Of course, the conveying device of the conveying platform can also consist of a platform frame and a roller, or the platform frame and a roller.

As shown in fig. 2, the platform frame 21 of two adjacent upper and lower conveying platforms 201 passes through supporting seat 30 fixed connection, and the length direction of following the platform frame in the both sides of platform frame also is the direction of transfer of material and sets up a plurality of supporting seats 30, and supporting seat 30 evenly distributed is in conveying platform's the left and right sides, and the supporting seat is 6 in this embodiment, and every side of platform frame sets up 3 supporting seats respectively, and supporting seat 30 can also set up to other quantity certainly. As shown in fig. 2, the supporting seat 31 includes two flat plates horizontally disposed and a pillar connecting the two flat plates, and the whole supporting seat is in an "i" shape. The upper flat plate 33 of the support seat 31 is fixedly connected with the upper platform frame 21 through a connecting bolt 32, and the lower flat plate 33 of the support seat 31 is fixedly connected with the lower platform frame 21 through a connecting bolt 32.

As shown in fig. 1 and 3, the conveying platform set 20 is slidably connected to the frame 10 through sliding assemblies 40, and a sliding assembly 40 is disposed at each of four corners of the frame 10. Each sliding assembly 40 comprises a sliding rail 41 fixedly connected with the vertical frame 11 and a sliding block 42 fixedly connected with the platform frame 21, a sliding groove matched with the sliding rail 41 is formed in the sliding block 42, the sliding rail 41 is located in the sliding groove, and the length direction of the sliding rail is arranged along the height of the frame. As shown in fig. 4, a stopper 13 is fixedly provided on the vertical frame 11, the stopper 13 is provided below the lower stage frame 21, and when the transfer stage 201 is located at the lowermost position, the lower stage frame 21 is supported by the stopper 13.

As shown in fig. 5 and fig. 3, the lifting driving device 50 includes a first chain transmission device 51, two second chain transmission devices 52 and a lifting motor 56, the first chain transmission device 51 includes an upper chain wheel and a lower chain wheel rotatably connected to the frame 10 and a lifting chain 511 connecting the upper chain wheel and the lower chain wheel, the axes of the upper chain wheel and the lower chain wheel are parallel to the conveying direction of the conveying platform 20, a connecting seat 57 is fixedly connected to the lifting chain, and the connecting seat 57 is fixedly connected to the platform frame 21. Four corners of the elevator frame 10 are respectively provided with a chain transmission device 51. The two upper chain wheels positioned on the same side of the conveying platform 20 are connected through an upper connecting shaft 54, and the two lower chain wheels are connected through a lower connecting shaft 55, so that the two groups of lifting chains on the same side move synchronously; the second chain transmission device comprises two transmission chains, two driving chain wheels and two driven chain wheels, each transmission chain is connected with one driving chain wheel and one driven chain wheel, one driven chain wheel of the second chain transmission device is fixedly connected with the upper connecting shaft 54 on one side, the driving chain wheel of the second chain transmission device is fixedly connected with the output shaft of the lifting motor, the other driven chain wheel of the second chain transmission device is fixedly connected with the upper connecting shaft 54 on the other side, the driving chain wheel of the second chain transmission device is connected with the output shaft of the lifting motor 56 through a pair of gear pairs 53 in meshing transmission, and the lifting motor is fixedly arranged on the frame and positioned between the. By adopting the lifting driving device with the structure, the lifting motor 56 drives the two gears in the gear pair to synchronously rotate, so as to drive the two chain transmission devices 52 to synchronously transmit, and further drive the four chain transmission devices 51 to synchronously transmit through the upper connecting shaft 54, so that the conveying platform can stably and parallelly move up and down.

As shown in fig. 1 and fig. 3, two counterweight devices 60 are disposed on the lifting driving device 50, each counterweight device 60 includes a counterweight plate 61 and counterweight sliding blocks 62 fixedly connected to front and rear ends of the counterweight plate 61, and the counterweight sliding blocks 62 are slidably connected to the corresponding side of the rack 10 and have a vertical sliding direction. Two ends of the counterweight plate 61 are fixedly connected with the lifting chains of the two chain transmission devices one 51 on the corresponding side respectively, one vertical section of the two vertical sections of the lifting chains is connected with the counterweight plate, and the other vertical section of the lifting chains is connected with the conveying platform. The balancing weight is adopted to save transmission power and improve the transmission stability of the transmission chain. When the automatic material receiving device is used, the lifting motor 56 rotates to drive the four lifting chains to synchronously drive, so that the two conveying platforms 201 move up and down simultaneously, one conveying platform 20 can be in butt joint with the discharge end or the feed end of equipment to receive materials, after the conveying platforms 201 receive workpieces, the lifting motor 56 drives the lifting chains to move up and down to enable the other conveying platform 201 to be in butt joint with the discharge port or the feed port of the equipment, subsequent workpieces are ready to be received, and structural support is provided for the butt joint of the equipment and the conveying platforms 201.

As shown in fig. 6, the position of the stage frame may be detected by a position sensor. For example, a metal detection sheet 71 is fixed on the side wall of one of the platform frames 21, and two proximity sensors 70 are fixed on the frame 10; the distance between the upper proximity sensor 70 and the lower proximity sensor corresponds to the distance between the upper platform frame and the lower platform frame, which moves up and down, and the position of the conveying platform is obtained through the position of the detection sheet, for example, when the detection sheet 71 is located at the position opposite to the upper proximity sensor, the lower conveying platform 20 is proved to be butted with the discharge end or the feed end of the equipment; when the detection sheet 71 is positioned opposite the lower sensor 70, it indicates that the upper transport platform 20 is docked with the infeed or outfeed end of the apparatus. The position sensor is connected with a central control device of the equipment.

Example 2: the difference from embodiment 1 is that, as shown in fig. 7, the buffer type material conveying platform is provided with an upper layer and a lower layer, each layer comprises a rack 10 and a conveying platform group 20, the conveying platform group 20 of each layer has the same structure and is used for being butted with double-layer equipment, and each layer of conveying platform group 20 is fixed on the rack 10 and is butted with double-layer laminating processing equipment, for example. The device can also be provided with three layers or more than three layers and is used for being butted with equipment with the same layer number.

Example 3: a photovoltaic module packaging device is shown in fig. 8 and comprises a first lifting machine 810, a first feeding platform 830, a vacuum laminating machine 500, a hot press 600, a cold press 700, a second discharging platform 860 and a second lifting machine 820 which are sequentially arranged, wherein a buffer type conveying material platform is adopted for the first feeding platform, the first conveying device of the vacuum laminating machine, the second conveying device of the hot press and the third conveying device of the cold press in a butt joint mode, and two layers of conveying platforms of the first feeding platform, the second conveying device of the vacuum laminating machine and the third conveying device of the cold press are respectively in butt joint. In another embodiment, the feeding table and the discharging table are the above-mentioned buffer type transmission material table, the feeding table, the discharging table, the vacuum laminator, the hot press, the cold press and the discharging table are arranged in multiple layers, any one of the transmission platforms of the transmission platform group of each feeding table can be in butt joint with the transmission device of the vacuum laminator on the same layer, the transmission device of the hot press and the transmission device of the cold press are in butt joint, and each transmission platform of the discharging table can be in butt joint with the transmission device of the cold press on the same layer. The vacuum laminating machine, the hot press and the cold press on each layer have the same structure and are respectively connected with a control device, and all equipment on each layer is supported by a frame body. In order to more facilitate feeding and discharging, a first lifting machine is arranged in front of the feeding table, a second lifting machine is arranged behind the discharging table, the first lifting machine can be in butt joint with each layer of conveying platform of the feeding table, and the second lifting machine can be in butt joint with each layer of conveying platform of the discharging table.

In the photovoltaic module packaging equipment, the vacuum laminator, the hot press and the cooler are arranged in sequence from front to back, the working tables of the vacuum laminator, the hot press and the cooler on the same layer are positioned in the same plane, the vacuum laminator, the hot press and the cooler can be respectively and independently provided with the high-temperature cloth conveyor belt, the three equipment can also share one high-temperature cloth conveyor belt, and the high-temperature cloth conveyor belt surrounds the working tables of the vacuum laminator, the hot press and the cooler.

The vacuum laminating machine 500 adopts a rubber plate laminating machine in the prior art, and specifically comprises an upper box I and a lower box I, wherein a flexible pressing part I is arranged in the upper box I, the upper box I and the lower box I can be closed or opened through driving of a driving device, when the upper box I and the lower box I are closed, a sealing cavity I is formed by the upper box I and the lower box I, the sealing cavity is divided into an upper cavity I and a lower cavity I through the flexible pressing part I, a heating workbench I is arranged in the lower box I, transmission chains are arranged at the two sides of the heating workbench I around the front end and the rear end of the heating workbench, a base body I is arranged on the transmission chains, a high-temperature cloth conveyor belt I is arranged on the base body I, the high-temperature cloth conveyor belt I can preferably cover the whole heating workbench, a workpiece is conveyed to the upper part of the heating workbench I by the high-temperature cloth conveyor belt, lamination is completed on the heating workbench I, the lower box I is connected with, the first upper box is connected with a vacuum device, is vacuumized by the vacuum device, is communicated with the outside through an inflation valve, and is inflated into the atmosphere when the inflation valve is opened, or is provided with the inflation device and is inflated into the atmosphere, and the gas pressure is less than or equal to the pressure of one atmosphere. The vacuum device and the heating device of each layer of vacuum laminating machine can be independently controlled or can be respectively controlled.

As shown in fig. 9-11, the hot press 600 has a structure substantially the same as that of the vacuum laminator, except that the inner cavity of the second upper box 610 is communicated with the inflating device 650 through the second inflating pipeline 651, when the second upper box and the second lower box are driven by the driving device 680 to be closed, the second lower box 630 and the second upper box 610 are fixedly connected by locking by the locking device 660, and the locking force of the locking device to the second upper box and the second lower box is greater than the inflating pressure in the sealing cavity. The following embodiment structure can be specifically adopted: as shown in fig. 2 and 3, the device comprises an upper box II 610 and a lower box II 630, the upper box II is provided with a flexible pressing member II 611, the flexible pressing member II is sealed at the lower opening of the upper box II, in a preferred embodiment, a silica gel plate is used as the flexible pressing member II, a press frame II 612 is arranged on two end faces of the upper box, the flexible pressing member II is positioned on the upper end face of the press frame II and between the upper box and the upper box, the sealing cavity is divided into an upper cavity II and a lower cavity II which are mutually independent, the press frame II is fixedly connected with a box body of the upper box II through a clamp II 613 so as to fixedly arrange the silica gel plate which is used as the flexible pressing member II at the opening of the upper box II, a sealing ring II 614 is arranged on the lower end face of the press frame II, the sealing cavity II which is used as the curing cavity is formed through the sealing ring II when the upper box and the lower box are closed, the sealing cavity II is divided into an upper cavity II 615 and, the inflation device 650 is communicated with the inner cavity of the upper cavity II through an inflation channel II (not shown in the figure), the inflation channel II is communicated with the inflation device 650 through an inflation pipeline II 651, an inflation valve 653 is arranged on the inflation pipeline II to control the inflation amount and the inflation time, a heating workbench II 631 is arranged in the lower box II 630, a heating device 632 is arranged in the heating workbench II, a transmission chain (not shown in the figure) is arranged on a rack of the lower box II and surrounds the heating workbench II, the transmission chain is driven by the chain transmission device, and the high-temperature cloth transmission belt II 633 is connected with the transmission chain. As shown in fig. 4, the locking device 660 can adopt a combination of an adjustable screw thread buckle and a hook, the adjustable screw thread buckle is generally arranged on the lower case two 630, a threaded rod 667 thereof is vertically arranged, a lock catch 668 thereof is positioned above, the hook is arranged on the upper case two 610, the position of the lock catch 668 is matched, a plurality of pairs of adjustable screw thread buckles 666 and hooks 665 are respectively arranged along the case body edges of the upper case two and the lower case two, and when the upper case two and the lower case two are closed, the upper case and the lower case are locked through the buckles 666 and the hooks 665. As shown in fig. 3, a locking device 660 with a structure can be further adopted, which comprises a second seat body 661 and a plug 662, wherein the lower end of the second seat body is fixedly connected with the second lower box, a first plug hole 663 is arranged on the second upper box, a second plug hole 664 is arranged at a position of the second seat body corresponding to the position of the first plug hole on the upper box, the first plug hole and the second plug hole are both horizontally arranged, and the first plug hole and the second plug hole are connected through the plug, so that the second upper box and the second lower box are fixedly connected through the second seat body and the plug, preferably, the first plug hole and the second plug hole are both wedge-shaped holes, the plug is a wedge-shaped pin, and the small end of the plug is used as an insertion end. For example, the locking device can also be designed into a hook and spring combined type, and comprises a hook part and a seat body two part, wherein a tension spring is arranged between the hook part and the seat body two part, the lower end of the seat body two part is rotatably connected with the lower box, and a hook platform is arranged on the upper box and connected with the hook. The vacuum device and the heating device of each layer of the hot press can be controlled independently or respectively.

As shown in fig. 12-14, the cold press 700 of the present invention includes an upper cooling plate 701, a lower cooling plate 702, and a driving device three 710 for driving the upper cooling plate and the lower cooling plate to open and close, wherein an accommodating chamber three 704 for accommodating the photovoltaic module is provided on the upper cooling plate and/or the lower cooling plate, the depth of the accommodating chamber three is slightly smaller than the thickness of the photovoltaic module, and the upper cooling plate and the lower cooling plate are sealed and connected into a sealed cooling chamber through a sealing member three 730 when being closed. The upper cooling plate and the lower cooling plate are both provided with cooling channels or cooling liquid cavities, and cooling liquid is distributed in the cooling liquid cavities or cooling channels. In the embodiment shown in fig. 6, a cooling channel 705 is provided in each of the upper cooling plate and the lower cooling plate, the cooling fluid is provided in the cooling channel, the cooling channel is communicated with an output pipe 706 of a cooling fluid supply device, and a cooling fluid circulation device is communicated with the cooling channel and the cooling supply device, the cooling fluid supply device includes a cooling fluid temperature control device and a cooling fluid circulation device, the cooling fluid temperature control device controls the cooling fluid temperature, and the cooling fluid circulation device circulates the cooling fluid. And the third sealing element 730 adopts an elastic inflatable sealing ring, the elastic inflatable sealing ring can be arranged on the periphery of the lower end surface of the upper cooling plate and also can be arranged on the periphery of the upper end surface of the lower cooling plate, and when the accommodating cavity III is surrounded by the third pressing frame 735, the lower end surface of the third pressing frame is regarded as the lower end surface of the upper cooling plate. As shown in fig. 14 and 17, it is preferable to use an elastic inflatable gasket, the body portion of which is disposed in a gasket groove provided on the end face of the upper cooling plate, and the inflatable gasket body is preferably entirely disposed in the gasket groove when the inflation process is not performed, and a small portion of the gasket is exposed outside the end face of the upper cooling plate when inflated. By adopting the structure, the cooling cavity formed by the upper cooling plate and the lower cooling plate is sealed by the exposed part of the inflatable sealing ring, when the sealing ring is required to be sealed, a certain amount of gas is filled into the sealing ring, so that the gas pressure in the sealing ring is slightly larger than or equal to the self weight of the upper cooling plate, when the upper cooling plate and the lower cooling plate are closed, the upper cooling plate is supported by the elastic sealing element, the photovoltaic assembly is not stressed, when the vacuum is pumped, the elastic inflatable sealing ring deforms under the action of the vacuum pressure, the photovoltaic assembly and the sealing ring bear the vacuum pressure together, the sealing ring is inflatable and can be retracted into the sealing ring groove without being damaged by the strong pressure generated by the vacuum, and simultaneously, when a gap is formed between the upper cooling plate and the lower cooling plate, the part of the inflatable sealing ring retracted into the sealing ring groove can extend out of the sealing ring groove under the action of the internal pressure of the sealing ring to keep, the sealing performance of the cooling cavity is ensured; when sealing is not needed, the sealing ring retracts into the sealing groove, and when the upper cooling plate and the lower cooling plate are closed, the sealing ring does not bear pressure, so that the pressure borne by the sealing ring is small when sealing is performed, and when sealing is not needed, the sealing ring is not stressed, so that the service life of the sealing ring is long, and the sealing ring is not easy to damage. The elastic inflatable sealing ring is preferably adopted for sealing, and the structure is as follows: as shown in fig. 15, the sealing ring comprises a sealing ring body 732, an inner concave portion 736 that is recessed into an inner cavity of the sealing ring is disposed at a lower end of the sealing ring body 732, a bending portion 734 is formed between the inner concave portion and the sealing ring body, a bar-shaped protrusion 731 is disposed on an outer surface of the inner concave portion, the bar-shaped protrusion 731 is located in the inner concave portion 736, a cross section of the sealing ring body may be rectangular or circular, and the inner cavity of the sealing ring body is communicated with an. As shown in fig. 16, when a certain amount of gas is filled into the seal ring, the seal ring body expands, the inner concave part drives the strip-shaped protrusion to move outwards to be exposed out of the seal ring groove, when the upper cooling plate and the lower cooling plate are closed, the seal ring body is deformed under the action of pressure, the protrusion part retracts towards the seal ring groove until retracting into the seal ring groove because the protrusion part is positioned at the outermost side, but the protrusion part and the bent part still have the sealing action because the seal ring is still in contact with the lower cooling plate. Still can adopt the elasticity inflatable seal circle of following structure, lower terminal surface along the length of sealing washer at the sealing washer body sets up protruding 731 of bar, the sealing washer body sets up in the sealing washer inslot, protruding some or all of bar are located outside the sealing washer inslot, the cross-section of sealing washer body is rectangle or circular best, it is gaseous to fill in the sealing washer, when last cooling plate and cooling plate closed down, because the bar is protruding to be located the outside, at first receive pressure to this internal shift of sealing washer drive both sides and buckle to the sealing washer inslot, form inside recess 736 and the outside convex kink 734 of buckling, until the bar is protruding to retract to the sealing washer inslot, at this moment, the sealing washer is through its kink 734 and protruding 731 of bar and cooling plate sealing connection down. By adopting the sealing ring with the structure, when the sealing ring bears the upper cooling plate and the vacuum pressure, the strip-shaped protruding part of the sealing ring can retract into the inner cavity of the sealing ring, and when the upper cooling plate and the lower cooling plate are closed by calculating the size of the filled gas and the sealing ring body, the protruding part of the sealing ring retracts into the sealing ring and still keeps the sealing between the upper cooling plate and the lower cooling plate, so that the reliable sealing between the upper cooling plate and the lower cooling plate can be kept, the pressure of the strong vacuum pressure on the sealing ring can be reduced, the sealing ring is prevented from being damaged due to the bearing of the overlarge pressure, and the times of replacing the sealing ring can. Typically one fifth to one fourth of the body of the seal ring is located outside the seal ring groove. The vacuum device and the cooling device of each layer of cold press can be controlled independently or respectively.

As shown in fig. 13, in order to prevent the upper cooling plate and the lower cooling plate from generating too large impact force on the photovoltaic module when being closed, a buffer device 720 is further provided, the buffer device of the following structure is preferably adopted in the present invention, including an elastic body 721, the lower end of the elastic body is fixedly connected with the lower box three of the lower cooling plate through the seat body three 722, the upper end surface of the elastic body exceeds the upper surface of the upper cooling plate 701, the lower end surface of the elastic body is lower than the upper cooling plate or is flush with the upper surface of the upper cooling plate, a plurality of elastic bodies are provided on the two sides or around the lower plate, at the corresponding position of the upper box three 707 of the upper cooling plate, an extending arm 723 is provided thereon, the extending arm is located above the elastic body, the extending arm is usually also used as a connecting arm of the three driving devices 710, and the output end of the three driving devices is connected with the other end. Preferably, the elastic body 721 is a cylinder, and in order to increase the deformation amount and improve the buffering effect, an elastic groove 724 is formed on the outer surface of the cylinder. A buffer device is arranged below the connecting arm of each driving device. As shown in fig. 18 to 19, it is also possible to adopt a damper of a structure including a spring 725 and a support 726, the support being disposed outside the periphery of the lower cooling plate and having an upper end higher than the upper surface of the lower cooling plate, the spring being an arc-shaped leaf spring or an angular leaf spring having an arc-shaped or corner portion disposed outwardly, a slanted support surface 727 or an arc-shaped support surface being disposed on the support opposite to the spring, the arc-shaped support surface being outwardly convex in arc shape, the slanted support surface or the arc-shaped support surface being adapted to support and damp the upper cooling plate when the upper and lower cooling plates are closed from the cooling plate, the protruding portion of the leaf spring being adapted to be received in the arc-shaped portion due to the outwardly convex arc shape, thereby providing an initial stable support to the upper cooling plate and requiring a greater driving force to continue the lowering of the upper cooling plate, and therefore, the support being more stable and reliable, and the drop is more gentle; the elastic cushion can be set into an inflatable cushion as a buffer device to buffer the impact force between the upper cooling plate and the lower cooling plate, the inflatable cushion is communicated with the inflation and deflation device and is arranged at the periphery of the outer side of the lower cooling plate, a buffer pressure plate is arranged at the position, corresponding to the inflatable cushion, at the outer side of the periphery of the upper cooling plate, the buffer pressure plate can be arranged in a segmented mode or can be continuously arranged at the periphery of the upper cooling plate, preferably, a connecting arm of a driving device III is used as a pressure plate, gas is filled into the inflatable cushion before the upper cooling plate and the lower cooling plate are closed, when sufficient gas is filled into the inflatable cushion, the upper surface of the inflatable cushion is higher than the upper surface of the lower cooling plate, the height difference between the upper surface of the inflatable cushion and the upper surface of the lower cooling plate is slightly larger than or equal to the height of the assembly, the buffer pressure plate is in contact with, and (3) exhausting air or naturally deflating the inflatable cushion to enable the sealing ring to be in contact with the lower cooling plate or the upper cooling plate until sealing is formed, converting the support of the inflatable cushion on the photovoltaic module into the common support of the sealing ring and the inflatable cushion to form a sealed cavity, then exhausting air to the sealed cavity, and deflating the inflatable cushion until the inflatable cushion loses the support on the upper cooling plate, so that the extrusion force applied to the photovoltaic module is equal to the sum of the self weight of the upper cooling plate and the vacuum pressure. Another simple and effective buffer part is structured in that the sealing ring is an inflatable sealing ring, which is connected with both the inflation device and the air extraction device, an inflation valve or an air release valve is arranged on the pipeline connected with the inflation device and the air extraction device, most of the sealing ring is embedded on the lower surface of the upper cooling plate, when the inflatable sealing ring is filled with enough gas, the sum of the exposed height and the depth of the containing cavity arranged on the upper cooling plate is more than or equal to the height of the photovoltaic module, when the upper cooling plate and the lower cooling plate are closed, the inflatable sealing ring is contacted with the lower cooling plate, and the upper cooling plate is just contacted or not contacted with the photovoltaic module, at the moment, the pressure of the upper cooling plate is supported by the inflatable sealing ring, the upper cooling plate does not generate pressure on the photovoltaic module, when the photovoltaic module is required to be pressurized, the inflatable sealing ring is deflated to gradually reduce the supporting force on the photovoltaic module, the supporting force of the photovoltaic module on the upper cooling plate is gradually increased, and the sealed cavity is vacuumized, so that the upper cooling plate and the lower cooling plate are extruded to the photovoltaic module by virtue of vacuum pressure. The sealing element with the structure can reduce the structure of the whole device, does not need to adopt a special buffer device for buffering, can buffer the strong pressure of the sealing element in the vacuum process, and prolongs the service life of the sealing element.

The upper cooling plate is fixed on the upper box III, a flexible gasket is arranged on the upper box III 707, the flexible gasket 737 is fixed on the upper cooling plate through a scroll device 738, a scroll device is respectively arranged on the front side and the rear side of the upper cooling plate, each scroll device comprises a scroll 741, two ends of each scroll are respectively rotatably arranged on two sides of the cold press, the length and the width of the flexible gasket 737 are more than or equal to those of a pressed photovoltaic module, two ends of the flexible gasket are respectively wound on the scroll 741 on the corresponding side, a pressing strip 745 is arranged on the outer side of each scroll along the length direction of each scroll, two ends of the flexible gasket are respectively positioned below the pressing strips on the corresponding sides and are pressed through the pressing strips positioned above the flexible gasket, through holes are formed in the pressing strips, threaded holes are formed in positions, corresponding to the scroll and the through holes, and threaded ends of gasket bolts 746 penetrate through. And a second hand wheel 740 is arranged on the bearing block at the two ends of the scroll along the radius direction of the scroll, the screwing-in end of the second hand wheel is in threaded connection with a threaded through hole arranged on the bearing block 747, first hand wheels 739 are arranged on the end faces at the two ends of the scroll, a first hand wheel and a second hand wheel can be arranged on the scroll at one end, and the first hand wheel and the second hand wheel are preferably arranged at the two ends of the scroll. After the length of the flexible liner is adjusted, the hand wheel II is screwed to prop against the reel to prevent the reel from rotating, the pressing strip is pressed on the flexible liner wound on the reel, and the liner bolt penetrates through the flexible liner and then is connected with the threaded hole to press the flexible liner tightly. The flexible liner needs to be slightly loose when adjusted.

The specific embodiments are merely illustrative of the present invention, and are not intended to limit the present invention.

Claims

1. The utility model provides a buffer memory formula transmission material platform, includes frame (10) and the conveyor of setting on frame (10), a serial communication port, conveyor is conveying platform group (20), conveying platform group includes two at least conveying platforms (201), each conveying platform sets up from top to bottom, every conveying platform includes the platform frame and sets up transport mechanism and the transport mechanism drive arrangement on the platform frame, the transport mechanism who corresponds by the drive of transport mechanism drive arrangement conveys, platform frame (21) and the vertical sliding connection of frame (10) of each conveying platform (201), platform frame (21) of adjacent conveying platform (201) are through supporting seat (30) fixed connection, lift drive arrangement (50) and conveying platform group fixed connection and drive conveying platform group go up and down.

2. The buffer storage type conveying material table as claimed in claim 1, wherein the lifting driving device (50) comprises a first chain transmission device (51), a second chain transmission device (52) and a lifting motor (56), the conveying platform group is connected with the frame in a sliding mode through a platform frame and a sliding connection device of the conveying platform group, the first chain transmission device is arranged on the left side and the right side of the front end of the frame and the left side and the right side of the rear end of the frame respectively, the transmission chains of the four first chain transmission devices are vertically arranged, the chain wheels positioned above the first chain transmission devices (51) on the same side are connected through an upper connecting shaft (54), the chain wheels positioned below the first chain transmission devices (51) on the same side are connected through a lower connecting shaft (55), the driven chain wheels of the two first chain transmission devices are arranged on the two upper connecting shafts respectively, the driving chain wheels are in meshing transmission connection through meshing gears, and the driving chain wheel of the second chain transmission device (52), chain fixed connection counterweight plate (61) in chain drive unit (51) one side in the chain goes up and down, platform frame (21) and chain drive unit (51) in the other side chain fixed connection in the chain goes up and down, counterweight plate (61) and the vertical sliding connection of frame (10).

3. The buffer-type conveying material table as claimed in claim 1, wherein a stop block (13) is fixedly arranged on the frame (10), the stop block (13) is positioned below the lower platform frame (21), and when the conveying platform (201) is positioned at the lowest end, the lower platform frame (21) is positioned on the stop block (13).

4. A buffer-type material conveying table according to any one of claims 1-3, characterized in that a plurality of layers of frames are arranged in the vertical direction, and a conveying platform (201) is arranged on each layer of frames (10) and arranged on one side of the conveying platform.

5. The photovoltaic module packaging equipment is characterized by comprising a feeding table, a vacuum laminating machine, a hot press, a cold press and a discharging table which are sequentially arranged; the feeding table and the discharging table are the buffer storage type transmission material table of any one of claims 1 to 4, the feeding table, the vacuum laminator, the hot press, the cold press and the discharging table are all provided with a plurality of materials, and the feeding table, the vacuum laminator, the hot press, the cold press and the discharging table are respectively arranged up and down to form a plurality of layers to form a multi-layer feeding table, a multi-layer vacuum laminator, a multi-layer hot press, a multi-layer cold press and a multi-layer discharging table, the conveying devices of the vacuum laminator, the hot press and the cold press on the same layer are in butt joint, each conveying platform of each layer of feeding table can be in butt joint with the conveying device of the hot press on the same layer, and each conveying platform of the discharging table on each layer can.

6. The photovoltaic module encapsulation device according to claim 5, wherein a first elevator is arranged in front of the feeding table, a second elevator is arranged behind the discharging table, the first elevator can be in butt joint with each conveying platform of the feeding table, and the second elevator can be in butt joint with each conveying platform of the discharging table.

7. The photovoltaic module packaging device according to claim 5 or 6, wherein the hot press comprises an upper box, a lower box, a heating workbench, a box body driving device, a locking device and an inflating device, the heating workbench is arranged in the lower box, the driving device drives the upper box and the lower box to open and close, a sealed cavity is formed when the upper box and the lower box are closed, the upper box and the lower box are connected through the locking device, a flexible pressing piece is fixedly arranged on the upper box and divides the sealed cavity into an upper cavity and a lower cavity which are independent, and the upper cavity is communicated with the inflating device.

8. The photovoltaic module packaging device according to claim 7, wherein the cold press comprises an upper cooling plate, a lower cooling plate and a buffer device, the upper cooling plate and/or the lower cooling plate is/are provided with a cavity for accommodating the photovoltaic module, the depth of the cavity is less than or equal to the thickness of the photovoltaic module, the upper cooling plate and the lower cooling plate can be opened and closed under the driving of a third driving device, a sealed cavity is formed by an elastic sealing piece after the upper cooling plate and the lower cooling plate are closed, when the upper cooling plate and the lower cooling plate are closed, the buffer device and the elastic sealing ring jointly support the upper cooling plate, the sealing cavity is communicated with the vacuum device, a flexible gasket is arranged on the upper cooling plate, a flexible gasket (737) is arranged on the inner side of the upper cooling plate, the flexible gasket (737) is disposed outside the elastomeric seal and is secured to the upper cooling plate by a spool arrangement (738).

9. The photovoltaic module encapsulation device according to claim 8, wherein a cooling liquid cavity is disposed in each of the upper cooling plate and the lower cooling plate for containing cooling liquid, and the cooling liquid cavity is communicated with a cooling liquid supply device.

10. The photovoltaic module packaging apparatus of claim 8, wherein the vacuum laminator, the hot press, and the cold press of each layer are respectively connected to the control device and supported by a frame.