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CN-224224468-U - EVA white film and black film co-extrusion adhesive film extrusion equipment

CN224224468UCN 224224468 UCN224224468 UCN 224224468UCN-224224468-U

Abstract

The utility model discloses EVA white film and black film co-extrusion adhesive film extrusion equipment, which relates to the field of EVA white film and black film co-extrusion adhesive film extrusion, and comprises a bottom plate, wherein a storage barrel is fixedly arranged at one side of the upper end of the bottom plate, a first connecting pipe is fixedly arranged in the storage barrel, a mounting block is fixedly arranged at one end of the first connecting pipe far away from the storage barrel, a three-way pipe is rotatably arranged in the mounting block, a rotating shaft is integrally formed at one end of the three-way pipe, a first connecting block is fixedly arranged at one end of the rotating shaft far away from the three-way pipe, a fixing seat is fixedly arranged at one side of the upper end of the bottom plate, a rectangular plate is integrally formed at the upper end of the fixing seat, a threaded rod is rotatably arranged in the rectangular plate, a rotating plate is fixedly arranged at one end of the threaded rod, and a driving motor is in threaded connection with the outer ring of the threaded rod. By adopting the structure, the utility model can realize the switching of the white film or black film raw material channels by precisely controlling the rotation angle of the three-way pipe.

Inventors

  • XU FANGHUA

Assignees

  • 宿迁泰晶新材料科技有限公司

Dates

Publication Date
20260512
Application Date
20250609

Claims (7)

  1. 1. The EVA white film and black film co-extrusion adhesive film extrusion equipment comprises a bottom plate (20) and is characterized in that one side of the upper end of the bottom plate (20) is fixedly provided with a storage vat (19), the inside of the storage vat (19) is fixedly provided with a first connecting pipe (6), one end of the first connecting pipe (6), which is far away from the storage vat (19), is fixedly provided with a mounting block (21), the inside of the mounting block (21) is rotatably provided with a three-way pipe (10), one end of the three-way pipe (10) is integrally formed with a rotating shaft (2), one end of the rotating shaft (2), which is far away from the three-way pipe (10), is fixedly provided with a first connecting block (3), one side of the upper end of the bottom plate (20) is fixedly provided with a fixing seat (16), the upper end of the fixing seat (16) is integrally formed with a rectangular plate (24), the inside of the rectangular plate (24) is rotatably provided with a driving motor (5), one end of the threaded rod (25) is fixedly provided with a rotating plate (22), the threaded connection of an outer ring (25), the driving motor (5), an output shaft of the driving motor (5) is fixedly provided with a second connecting block (31), one end of the three-way pipe (21) is fixedly provided with a first connecting block (21), one end of the first connecting cylinder (4), one end of the second connecting pipe (13) far away from the mounting block (21) is fixedly provided with an extrusion cylinder (14), the upper end of the extrusion cylinder (14) is fixedly provided with a second air cylinder (11), and the bottom of the extrusion cylinder (14) is integrally provided with an extrusion pipe (15).
  2. 2. The EVA white film and black film co-extrusion film extrusion equipment according to claim 1, wherein a feeding pipe (7) is arranged on one side, far away from the first connecting pipe (6), of the upper end of the storage barrel (19), a supporting seat (17) is fixedly arranged in the center of the upper end of the bottom plate (20), a supporting block (18) is fixedly arranged in the upper end of the supporting seat (17), and the outer ring of the first connecting pipe (6) is arranged in the supporting block (18).
  3. 3. The EVA white film and black film co-extrusion film extrusion equipment according to claim 1, wherein a movable seat (23) is integrally formed at the bottom of the driving motor (5), an internal thread groove (26) is formed in the movable seat (23), the movable seat (23) slides in a rectangular plate (24), and the threaded rod (25) is in threaded connection with the movable seat (23) through the internal thread groove (26) formed in the movable seat (23).
  4. 4. The EVA white film and black film co-extrusion film extrusion device of claim 1, wherein a rotating groove (28) is formed in the mounting block (21), sealing strips (30) are arranged on two sides of an inner ring of the rotating groove (28), and sealing grooves (9) are formed on two sides of an outer ring of the three-way pipe (10).
  5. 5. The EVA white film and black film co-extrusion film extrusion equipment according to claim 4, wherein the three-way pipe (10) is rotatably installed in the installation block (21) through a rotating groove (28) formed in the installation block (21), the sealing strip (30) is rotatably installed in the sealing groove (9), and the first connecting block (3) is in clamping connection with the second connecting block (31).
  6. 6. The EVA white film and black film co-extrusion film extrusion equipment according to claim 1, wherein protective cover plates (8) are fixedly arranged on two sides of each mounting block (21), a circular groove (12) is formed in the center position inside one protective cover plate (8), a first connecting block (3) is fixedly arranged on the rotating shaft (2) through the circular groove (12), a first piston (27) is fixedly arranged on an output shaft of the first cylinder (1), and the first piston (27) is slidably arranged on the inner ring inside the flow cylinder (4).
  7. 7. The EVA white film and black film co-extrusion film extrusion equipment as set forth in claim 1, wherein the output shaft of the second cylinder (11) penetrates through the inside of the upper end of the extrusion cylinder (14) and is fixedly provided with a second piston (29), and the second piston (29) is slidably arranged in the inside inner ring of the extrusion cylinder (14).

Description

EVA white film and black film co-extrusion adhesive film extrusion equipment Technical Field The utility model belongs to the field of EVA (ethylene-vinyl acetate) white film and black film co-extrusion adhesive film extrusion, and particularly relates to EVA white film and black film co-extrusion adhesive film extrusion equipment. Background In the field of photovoltaic module packaging, EVA adhesive films are widely used due to good light transmittance, cohesiveness and weather resistance. Along with the increase of the diversified design requirements of the photovoltaic module, a bicolor co-extrusion adhesive film with light shielding, heat dissipation or specific optical performance becomes a research direction. The existing EVA adhesive film extrusion equipment is mainly used for producing single-color films, and double-color coextrusion is required to realize accurate feeding, runner distribution and coextrusion molding of raw materials with different colors. The development of the equipment capable of integrating the functions of white film and black film raw material storage, quantitative conveying, co-extrusion runner switching and composite extrusion has important significance in improving the functionality and the production efficiency of the photovoltaic module, and the core of the equipment is to optimize the flow control and the structural design of multi-material co-extrusion. Some EVA white film and black film co-extrusion glued membrane extrusion equipment has been developed specially to prior art, for example, "novel EVA glued membrane extrusion equipment" is published to chinese patent with publication No. CN221985773U "and is passed through the three-way pipe with conveyer pipe and ration pipe intercommunication, can extract the glued membrane of a certain amount in the inside of ration pipe through first cylinder and piston cooperation, through the cooperation drive three-way pipe rotation of third cylinder, rack and gear, seal the conveyer pipe and with ration pipe and runner pipe intercommunication, the glued membrane of ration intraduct can be through runner pipe, unloading pipe and discharging pipe outflow, reach the volume of can quantitative control out of glue, convenient to use, further improve product quality's purpose. Although the conveying pipe is communicated with the quantitative pipe through the three-way pipe, a certain amount of adhesive film can be extracted through the cooperation of the first cylinder and the piston in the quantitative pipe, the three-way pipe is driven to rotate through the cooperation of the third cylinder, the rack and the gear, the conveying pipe is closed, the quantitative pipe is communicated with the flow pipe, the adhesive film in the quantitative pipe flows out through the flow pipe, the discharging pipe and the discharging pipe, the purpose that the adhesive yield can be quantitatively controlled is achieved, the use is convenient, and the product quality is further improved is achieved. Disclosure of utility model Aiming at the problems in the background art, the utility model aims to provide EVA white film and black film co-extrusion adhesive film extrusion equipment so as to solve the problem of EVA white film and black film co-extrusion adhesive film extrusion. The technical aim of the utility model is realized by the following technical scheme: The utility model provides an EVA milipore and black membrane co-extrusion glued membrane extrusion equipment, includes the bottom plate, bottom plate upper end one side fixed mounting has the storage vat, the inside fixed mounting of storage vat has first connecting pipe, the one end fixed mounting that the storage vat was kept away from to first connecting pipe has the installation piece, the installation piece inside rotation is installed the three-way pipe, three-way pipe one end integrated into one piece has the axis of rotation, the one end fixed mounting that the three-way pipe was kept away from to the axis of rotation has first connecting block, bottom plate upper end one side fixed mounting has the fixing base, fixing base upper end integrated into one piece has the rectangular plate, the inside threaded rod that rotates of rectangular plate installs, threaded rod one end fixed mounting has the rotating plate, threaded rod outer lane threaded connection has driving motor, driving motor output shaft fixed mounting has the second connecting block, installation piece upper end fixed mounting has the flow cylinder, flow cylinder upper end fixed mounting has first cylinder, installation piece bottom fixedly connected with second connecting pipe, the one end fixed mounting that the installation piece was kept away from the installation piece has the extrusion cylinder, extrusion cylinder upper end fixed mounting has the second cylinder, extrusion cylinder bottom integrated into one piece. As the preferable technical scheme, one side of storage vat upper end keeping away from first connecting