Search

CN-224224268-U - Double-filter screen film production equipment

CN224224268UCN 224224268 UCN224224268 UCN 224224268UCN-224224268-U

Abstract

The utility model discloses a double-filter-screen film production device, which comprises a film compounding device and a plurality of film production devices, wherein a double-filter-screen film filtering device is arranged between each film production device and each film compounding device, the double-filter-screen film filtering device comprises a coarse filtering mechanism connected with the film production device, a fine filtering mechanism connected with the film compounding device, and a connecting mechanism connected with the coarse filtering mechanism and the fine filtering mechanism, the coarse filtering mechanism comprises a coarse filter screen, and the fine filtering mechanism comprises a fine filter screen. The double-filter screen film production equipment can prolong the filter screen replacement period, reduce production pause and improve production efficiency.

Inventors

  • WEN BINSEN
  • YE GUANGQUAN
  • Tan Junyao

Assignees

  • 江门市华龙膜材股份有限公司

Dates

Publication Date
20260512
Application Date
20250609

Claims (10)

  1. 1. The double-filter-screen film production equipment is characterized by comprising a film compounding device (110) and a plurality of film production devices (100), wherein a double-filter-screen film filtering device (120) is arranged between each film production device (100) and each film compounding device (110), each double-filter-screen film filtering device (120) comprises a coarse filtering mechanism (130) connected with the film production device (100), a fine filtering mechanism (140) connected with the film compounding device (110), a connecting mechanism (150) connected with the coarse filtering mechanism (130) and the fine filtering mechanism (140), each coarse filtering mechanism (130) comprises a coarse filter screen (200), and each fine filtering mechanism (140) comprises a fine filter screen (270).
  2. 2. The dual screen film production apparatus of claim 1, wherein: The coarse filtration mechanism (130) comprises a first flange (160), a second flange (170), and a plurality of first connecting columns (180) used for connecting the first flange (160) and the second flange (170), wherein the first flange (160) is used for connecting the film production device (100), the second flange (170) is used for connecting the connecting mechanism (150), a coarse filter screen (200) is arranged between the first flange (160) and the second flange (170), the coarse filtration mechanism (130) comprises a first warping plate (190) rotationally connected with the first connecting columns (180), the first warping plate (190) is provided with a first mounting hole and a second mounting hole, and the first mounting hole and the second mounting hole are both provided with the coarse filter screen (200); The first rocker (190) has a first state in which the film raw material of the film production device (100) passes through the coarse filter mesh (200) of the first mounting hole, and a second state in which the film raw material of the film production device (100) passes through the coarse filter mesh (200) of the second mounting hole.
  3. 3. A dual screen film production apparatus as defined in claim 2, wherein: The coarse filtering mechanism (130) further comprises a first conveying pipe (210) connected with the second flange (170), the thin film raw material filtered by the coarse filtering net (200) is conveyed to the connecting mechanism (150) through the first conveying pipe (210), and a first heating mechanism is coated on the outer side of the first conveying pipe (210).
  4. 4. A dual screen film production apparatus as defined in claim 2, wherein: The first flange (160) or the second flange (170) is provided with a plurality of first gaps (220), and the first gaps (220) are used for disassembling and assembling the coarse filter screen (200).
  5. 5. The double screen film production apparatus as claimed in claim 4, wherein: The first notches (220) are located on the second flange (170), the number of the first notches (220) is two, one first notch (220) is used for installing the coarse filter screen (200) of the first installation hole, and the other first notch (220) is used for installing the coarse filter screen (200) of the second installation hole.
  6. 6. The dual screen film production apparatus of claim 1, wherein: The fine filtering mechanism (140) comprises a third flange (230), a fourth flange (240) and a plurality of second connecting columns (250) used for connecting the third flange (230) and the fourth flange (240), the third flange (230) is used for connecting the thin film composite device (110), the fourth flange (240) is used for connecting the connecting mechanism (150), a fine filter screen (270) is arranged between the third flange (230) and the fourth flange (240), the fine filtering mechanism (140) comprises a second warping plate (260) rotationally connected with the second connecting columns (250), the second warping plate (260) is provided with a third mounting hole and a fourth mounting hole, and the third mounting hole and the fourth mounting hole are both provided with the fine filter screen (270); The second rocker (260) has a third state in which the thin film raw material from the connection mechanism (150) passes through the fine filter (270) of the third mounting hole, and a fourth state in which the thin film raw material from the connection mechanism (150) passes through the fine filter (270) of the fourth mounting hole.
  7. 7. The double screen film production apparatus of claim 6, wherein: The fine filtering mechanism (140) further comprises a second conveying pipe connected with the fourth flange (240), the thin film raw material from the connecting mechanism (150) is conveyed to the fine filter screen (270) through the second conveying pipe, and a second heating mechanism is coated on the outer side of the second conveying pipe; and/or, the third flange (230) or the fourth flange (240) is provided with a plurality of second gaps (280), and the second gaps (280) are used for disassembling and assembling the fine filter screen (270).
  8. 8. The double screen film production apparatus of claim 6, wherein: The feeding side of the fourth flange (240) is provided with a control valve, and the control valve is used for controlling the flow direction of the thin film raw material or stopping the flow direction of the thin film raw material to the fine filter screen (270).
  9. 9. The dual screen film production apparatus of claim 1, wherein: The connecting mechanism (150) comprises a first half shell (290) and a second half shell (300) which are mutually combined, and further comprises a clamp for locking the first half shell (290) and the second half shell (300), wherein the first half shell (290) and the second half shell (300) are matched to form a first inlet (310) which is connected with and communicated with the coarse filtering mechanism (130), a first outlet (320) which is connected with and communicated with the fine filtering mechanism (140), and a first channel which is communicated with the first inlet (310) and the first outlet (320).
  10. 10. The dual screen film production apparatus of claim 9, wherein: The first channel has a diameter greater than the diameters of the first inlet (310) and the first outlet (320), the first channel forming a thin film feedstock buffering chamber.

Description

Double-filter screen film production equipment Technical Field The utility model relates to the technical field of equipment for producing films, in particular to double-filter-screen film production equipment. Background For multilayer film products, coextrusion is often employed in production. In terms of equipment construction, a plurality of film production apparatuses and a film compounding apparatus may be included. Each film production device produces a film raw material, and then the film raw material sequentially passes through or simultaneously passes through a film compounding device to extrude the multilayer film raw material to form a multilayer film. In order to improve the purity of the material, a filtering device is arranged between each film production device and each film compounding device, and comprises a filter screen which filters impurities in the film. When the equipment is used for a period of time, the impurity can block up the filter screen, needs to be replaced with a new filter screen, and meanwhile, the blocking condition of each filter device is different, and the time for replacing the new filter screen is different. However, each time the filter screen is replaced, production is stopped, and production efficiency is affected. Disclosure of utility model The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the double-filter screen film production equipment which can prolong the filter screen replacement period, reduce production pause and improve production efficiency. According to the embodiment of the utility model, the double-filter screen film production equipment comprises: The double-filter-screen film production equipment comprises a film compounding device and a plurality of film production devices, wherein a double-filter-screen film filtering device is arranged between each film production device and each film compounding device, each double-filter-screen film filtering device comprises a coarse filtering mechanism connected with the film production device, a fine filtering mechanism connected with the film compounding device, a connecting mechanism connected with the coarse filtering mechanism and the fine filtering mechanism, each coarse filtering mechanism comprises a coarse filter screen, and each fine filtering mechanism comprises a fine filter screen. According to the embodiment of the utility model, the double-filter screen film production equipment comprises: The coarse filtering mechanism comprises a first flange, a second flange and a plurality of first connecting columns used for connecting the first flange and the second flange, wherein the first flange is used for connecting the film production device, the second flange is used for connecting the connecting mechanism, a coarse filter screen is arranged between the first flange and the second flange, the coarse filtering mechanism comprises a first warping plate rotationally connected with the first connecting columns, the first warping plate is provided with a first mounting hole and a second mounting hole, and the first mounting hole and the second mounting hole are both provided with the coarse filter screen; the first rocker has a first state in which the film raw material of the film production device passes through the coarse filter mesh of the first mounting hole, and a second state in which the film raw material of the film production device passes through the coarse filter mesh of the second mounting hole. According to the embodiment of the utility model, the double-filter screen film production equipment comprises: The coarse filter mechanism further comprises a first conveying pipe connected with the second flange, the film raw material filtered by the coarse filter screen is conveyed to the connecting mechanism through the first conveying pipe, and the outer side of the first conveying pipe is coated with a first heating mechanism. According to the embodiment of the utility model, the double-filter screen film production equipment comprises: The first flange or the second flange is provided with a plurality of first gaps, and the first gaps are used for disassembling and assembling the coarse filter screen. According to the embodiment of the utility model, the double-filter screen film production equipment comprises: The first notch is located the second flange, the quantity of first notch is two, one first notch is used for first mounting hole the installation of coarse filtration net, another first notch is used for the installation of the coarse filtration net of second mounting hole. According to the embodiment of the utility model, the double-filter screen film production equipment comprises: the thin filtering mechanism comprises a third flange, a fourth flange and a plurality of second connecting columns used for connecting the third flange and the fourth flange, wherein the third flange is used