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CN-224210492-U - CPP curtain coating membrane make-up machine

CN224210492UCN 224210492 UCN224210492 UCN 224210492UCN-224210492-U

Abstract

The utility model discloses a CPP casting film forming machine, which comprises a screw extruder, a T-shaped machine head and a feed hopper. According to the utility model, through the arrangement of the protective cover, the stirring assembly, the driving assembly, the blanking device, the feeding hole, the supporting frame, the knocking device, the first supporting plate and the second supporting plate, the problems that when the traditional CPP casting film forming machine is used, plastic raw materials are generally poured into the inner cavity of the screw extruder through the feeding hopper to be heated, melted and plasticized, then the plastic raw materials are extruded and formed through the T-shaped machine head with a certain gap, the feeding hopper does not have the functions of stirring and uniform blanking in the blanking process, the bridging phenomenon of the materials possibly occurs, the materials are blocked, the uniform blanking function does not exist, the quantity of the plastic raw materials entering the screw extruder is possibly unstable, and therefore the extruded molten material quantity is also uneven, and the transverse thickness of a film is easily inconsistent when the plastic raw materials are extruded and formed through the T-shaped machine head, so that the quality of products is influenced are solved.

Inventors

  • JIANG CHANGTONG
  • ZHOU HANG
  • ZHANG SUHUAI
  • MO YOUHUA
  • LI ANKUN
  • WEN BO

Assignees

  • 江苏迪诺新材料科技有限公司

Dates

Publication Date
20260508
Application Date
20250529

Claims (7)

  1. 1. CPP curtain coating membrane make-up machine, including screw extruder (1), T type aircraft nose (2) and feeder hopper (3), the right side and the screw extruder (1) fixed connection of T type aircraft nose (2), feeder hopper (3) fixed connection is on the right side at screw extruder (1) top, characterized in that, the top fixedly connected with protection cover (4) of feeder hopper (3), the top of feeder hopper (3) inner chamber is provided with stirring subassembly (5), the right side at protection cover (4) top is provided with driving assembly (6) that use with stirring subassembly (5) cooperation, the bottom of feeder hopper (3) inner chamber is provided with unloader (7) that use with driving assembly (6) cooperation, the left side fixedly connected with feed inlet (8) at protection cover (4) top, the left side fixedly connected with support frame (9) at the conical surface, the inboard of support frame (9) is provided with and beats device (10), the front side fixedly connected with at protection cover (4) top and driving assembly (6) cooperation use first backup pad (11) and conical surface (12) cooperation use, conical surface (12) are used with the first backup pad (3).
  2. 2. A CPP curtain coating membrane forming machine according to claim 1, wherein the stirring assembly (5) comprises a stirring shaft (501) and a worm wheel (502), a plurality of stirring plates (503) are uniformly distributed on the surface of the stirring shaft (501) and fixedly connected with the stirring plates (503), the top of the stirring shaft (501) penetrates through the protective cover (4) and extends to the outer side of the protective cover (4) to be fixedly connected with the worm wheel (502), and the penetrating part of the stirring shaft and the protective cover (4) are rotatably connected through a bearing.
  3. 3. A CPP casting film forming machine according to claim 1, wherein the driving assembly (6) comprises a motor (601), a worm (602) and a first belt wheel (603), the bottom of the motor (601) is fixedly connected with a protective cover (4), the rear side of the worm (602) is fixedly connected with the output end of the motor (601), the front side of the worm (602) penetrates through the first supporting plate (11) and extends to the outer side of the first supporting plate (11) to be fixedly connected with the first belt wheel (603), and one side of the worm (602) close to the worm wheel (502) is meshed with the worm wheel (502).
  4. 4. A CPP curtain coating film forming machine according to claim 1, wherein the blanking device (7) blanking piece (701), the blanking piece (701) is arranged in an inner cavity of the feed hopper (3), a transmission shaft (702) is arranged on the front side of the blanking piece (701), a cam (703) is sleeved on the surface of the transmission shaft (702), a second belt wheel (704) is arranged on the front side of the transmission shaft (702), and a transmission belt (705) is sleeved on the surface of the second belt wheel (704).
  5. 5. A CPP casting film forming machine according to claim 1, wherein the knocking device (10) comprises a knocking plate (1001), tension springs (1002) and knocking heads (1003) are respectively arranged on two sides of one side, close to the feeding hopper (3), of the knocking plate (1001), a rotating shaft (1004) is arranged on the front side of the knocking plate (1001), and a transmission plate (1005) is arranged on the front side of the rotating shaft (1004).
  6. 6. The CPP casting film forming machine according to claim 4, wherein the rear side of the transmission shaft (702) sequentially penetrates through the second support plate (12) and the feed hopper (3) and extends to the inner cavity of the feed hopper (3) to be fixedly connected with the blanking member (701), the front side of the transmission shaft (702) is fixedly connected with the second belt wheel (704), the cam (703) is fixedly connected with the transmission shaft (702), and one side, far away from the second belt wheel (704), of the transmission belt (705) is sleeved on the surface of the first belt wheel (603).
  7. 7. A CPP casting film forming machine according to claim 5, wherein the back side of the knocking plate (1001) is rotatably connected with the supporting frame (9), the top and the bottom of the tension spring (1002) are fixedly connected with the feeding hopper (3) and the knocking plate (1001) respectively, the bottom of the knocking head (1003) is fixedly connected with the knocking plate (1001), the top of the knocking head (1003) is contacted with the feeding hopper (3), the back side of the rotating shaft (1004) penetrates through the supporting frame (9) and extends to the inner side of the supporting frame (9) to be fixedly connected with the knocking plate (1001), the front side of the rotating shaft (1004) is fixedly connected with the transmission plate (1005), and one side of the transmission plate (1005) close to the cam (703) is contacted with the cam (703).

Description

CPP curtain coating membrane make-up machine Technical Field The utility model belongs to the technical field of CPP (cast polypropylene) casting film production, and particularly relates to a CPP casting film forming machine. Background The CPP casting film forming machine is a special equipment for producing casting polypropylene (CPP) film, adopts a casting method to produce film, heats, melts and plasticizes plastic particle raw materials in a screw extruder, then forms a melt film through extrusion forming of a T-shaped machine head with a certain gap, and finally obtains the CPP casting film through cooling forming of a cooling roller. The prior art has the problems that when the existing CPP casting film forming machine is used, plastic raw materials are generally poured into an inner cavity of a screw extruder through a feed hopper to be heated, melted and plasticized, and then are extruded and formed through a T-shaped machine head with a certain gap, most of the feed hopper does not have the functions of stirring and uniform blanking in the blanking process, bridging phenomenon can occur on the materials in the blanking process, the feed hopper is blocked, the uniform blanking function cannot be achieved, the plastic raw material quantity entering the screw extruder is unstable, the extruded molten material quantity is uneven, and the transverse thickness of a film is easily inconsistent in the extrusion and forming process through the T-shaped machine head, so that the product quality is influenced. Disclosure of utility model Aiming at the problems existing in the prior art, the utility model provides a CPP casting film forming machine which has the advantages of uniform blanking and anti-blocking, and solves the problems that when the existing CPP casting film forming machine is used, plastic raw materials are generally poured into an inner cavity of a screw extruder through a feeding hopper to be heated, melted and plasticized, then the plastic raw materials are extruded and formed through a T-shaped machine head with a certain gap, the feeding hopper does not have the functions of stirring and uniform blanking in the blanking process, bridging phenomenon can occur on the materials in the blanking process, the feeding hopper is blocked and does not have the function of uniform blanking, and the quantity of plastic raw materials entering the screw extruder is unstable, so that the quantity of extruded molten materials is also uneven, and the transverse thickness of a film is easily inconsistent in the extrusion and forming process through the T-shaped machine head, and the product quality is influenced. The CPP casting film forming machine comprises a screw extruder, a T-shaped machine head and a feed hopper, wherein the right side of the T-shaped machine head is fixedly connected with the screw extruder, the feed hopper is fixedly connected to the right side of the top of the screw extruder, the top of the feed hopper is fixedly connected with a protective cover, the top of an inner cavity of the feed hopper is provided with a stirring assembly, the right side of the top of the protective cover is provided with a driving assembly matched with the stirring assembly, the bottom of the inner cavity of the feed hopper is provided with a blanking device matched with the driving assembly, the left side of the top of the protective cover is fixedly communicated with a feed inlet, the left side of the conical surface of the feed hopper is fixedly connected with a supporting frame, the inner side of the supporting frame is provided with a knocking device, the front side of the top of the protective cover is fixedly connected with a first supporting plate matched with the driving assembly, and the front side of the conical surface of the feed hopper is fixedly connected with a second supporting plate matched with the blanking device. As the preferable stirring assembly of the utility model comprises a stirring shaft and a worm wheel, wherein a plurality of stirring plates are uniformly distributed on the surface of the stirring shaft and fixedly connected with the stirring plates, the top of the stirring shaft penetrates through the protective cover, extends to the outer side of the protective cover, is fixedly connected with the worm wheel, and is rotatably connected with the penetrating part of the protective cover through a bearing. As a preferred mode of the utility model, the driving assembly comprises a motor, a worm and a first belt wheel, the bottom of the motor is fixedly connected with the protective cover, the rear side of the worm is fixedly connected with the output end of the motor, the front side of the worm penetrates through the first supporting plate and extends to the outer side of the first supporting plate to be fixedly connected with the first belt wheel, and one side, close to the worm wheel, of the worm is meshed with the worm wheel. As the preferable blanking part of the blankin