Polyester film waste recycling device
Technical Field
The application relates to the field of polyester film production, in particular to a polyester film waste recycling device.
Background
The polyester film is a film material prepared by using polyethylene terephthalate as a raw material and adopting an extrusion method to prepare a thick sheet and then carrying out biaxial stretching, and the material is widely applied to glass fiber reinforced plastic industry, building material industry, printing industry, medicine and health industry and the like.
In the production process of the polyester film in the current market, a plurality of waste or unqualified films are easily produced, the waste or unqualified films are generally recovered by direct one-step crushing, the crushing of the films is incomplete, and the crushing quality is low. And because the film is mostly strip-shaped and strip-shaped, the length is longer, and the pipeline is easy to be blocked during feeding and discharging, thereby influencing the recovery efficiency.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, can fully cut the waste polyester film and provides a polyester film waste recycling device.
In order to achieve the above purpose, the present application adopts the following technical scheme:
The utility model provides a polyester film waste recycling device, includes the casing, and the casing has the pan feeding mouth that is located the top and is located one side discharge gate, the feed inlet department of casing is provided with first broken subassembly, first broken subassembly is including being used for the broken dish of the vertical cutting of waste material, the cutting direction of broken dish with the feed direction of pan feeding mouth is parallel, and broken dish below is provided with the deflector that has the guide face, the guide face has the highest end and the lowest end, the lowest end of guide face extends to the discharge gate, discharge gate department is provided with the broken subassembly of second, the broken subassembly of second is including being used for the cut-off knife to the vertical reciprocating motion of the exit direction of waste material, the cut-off knife is relative the discharge gate.
Preferably, a reset member capable of forcing the cutter to move in a direction away from the guide plate is further provided, the reset member comprises a reset piece and a guide protrusion fixedly connected with the cutter, the housing is provided with a guide groove, the guide protrusion is located in the guide groove and can move in the guide groove, the reset member is located in the guide groove and is connected with the guide protrusion, and the reset piece can force the cutter to move in a direction away from the guide plate.
Preferably, the filter assembly is arranged below the discharge hole, the filter assembly comprises a swinging rod which is rotatably arranged on the shell and a filter pocket which is connected with the swinging rod, the swinging rod is provided with an abutting surface, and the guide protrusion can be abutted with the abutting surface and push the swinging rod to swing relative to the shell.
Preferably, the filtering assembly is driven by no external force, and the abutting surface is located below the guide protrusion.
Preferably, the swing rod is detachably connected with the filter bag.
Preferably, the first crushing assembly further comprises a first driving part arranged on the shell, a driving rod fixedly connected with an output shaft of the first driving part, and a driven rod rotating relative to the driving rod, wherein the driving rod is in transmission connection with the driven rod, and the crushing disc is provided with a plurality of crushing discs which are arranged on the driving rod and the driven rod.
Preferably, the second crushing assembly further comprises a second driving piece for driving the cutter to reciprocate towards the direction of the guide plate, and the second driving piece is in transmission connection with the cutter.
Preferably, the guide plate is rotationally connected with the shell, an elastic piece is connected between the bottom wall of the discharge hole and the back of the guide plate, and when the cutting edge of the cutter is abutted to the guide plate and continuously moves towards the direction of the guide plate, the elastic piece is in a force storage state.
Preferably, the guiding surface is a cambered surface or a plane surface.
In summary, the utility model has the following beneficial technical effects:
1. The first crushing assembly and the second crushing assembly are used for cutting the polyester film waste in different directions, so that the waste can be cut into small pieces from a longer strip shape originally, and the crushing quality is improved.
2. The filter assembly can filter the small-block waste, when the filter assembly is insufficiently cut, the large-sheet waste can be left on the filter assembly, only the small-sheet waste is screened out for recycling, and the large-sheet waste left on the filter assembly can be poured into the feed inlet for cutting again.
Drawings
Fig. 1 is a schematic view of the overall structure of the device.
Fig. 2 is a schematic view of a partial cross-sectional structure of the device.
Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.
Fig. 4 is an enlarged schematic view of the structure at B in fig. 1.
Fig. 5 is an exploded view of the filter assembly.
The reference numerals are 1, a shell, 11, a feed inlet, 12, a discharge outlet, 2, a first crushing assembly, 21, a first driving piece, 22, a driving rod, 23, a driven rod, 24, a gear, 25, a crushing disc, 3, a guide plate, 31, an elastic piece, 4, a second crushing assembly, 41, a cutter, 42, a second driving piece, 43, a reset member, 431, a reset piece, 432, a guide protrusion, 433, a guide groove, 5, a filtering assembly, 51, a swinging rod, 52, a filtering pocket, 53, a collision surface, 54, a connecting rod, 55 and a connecting groove.
Detailed Description
Terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible to be mentioned in the present specification are defined with respect to the configurations shown in the drawings, which are relative concepts, and thus may be changed according to different positions and different use states of the same. These and other directional terms should not be construed as limiting terms. Furthermore, the terms "first," "second," "third," and the like are used for descriptive and distinguishing purposes only and are not to be construed as indicating or implying a relative importance of the corresponding components.
The present application is described in further detail below with reference to fig. 1-5.
The embodiment of the utility model discloses a polyester film waste recycling device.
Referring to fig. 1 and 2, a polyester film waste recycling device comprises a hollow shell 1, a feed inlet 11 is formed in the top of the shell 1, a discharge outlet 12 is formed in the side portion of the shell 1, a first crushing assembly 2 and a second crushing assembly 4 are arranged in the shell 1, the first crushing assembly 2 is arranged at the lower portion of the feed inlet 11, when waste is put into the feed inlet 11, the first crushing assembly 2 is used for cutting the waste for the first time, a guide plate 3 is arranged below the first crushing assembly 2, the guide plate 3 is arranged below the shell 1 and located below the feed inlet 11, and one end of the guide plate 3 is inclined and extends to the discharge outlet 12. The upper surface of the guide plate 3 is a guide surface, which is an arc surface or a plane, and in the application, the guide surface is a plane, and can guide the waste which is cut for the first time, so that the waste can come out from the discharge hole 12.
The second crushing assembly 4 is located at the discharge port 12, and when the waste material comes out of the discharge port 12, the second crushing assembly 4 is used for cutting the waste material again. The direction in which the first crushing member 2 cuts the waste material intersects the direction in which the second crushing member 4 cuts the waste material in the horizontal projection plane. The scrap polyester film is first cut by the first crushing unit 2 to form a strip shape such as a strip shape or a belt shape, and then cut by the second crushing unit 4 to become a small sheet shape.
In this embodiment, the direction of the first crushing assembly 2 cutting the waste material is perpendicular to the direction of the second crushing assembly 4 cutting the waste material in the horizontal projection plane.
Referring to fig. 1 and 2, the first crushing assembly 2 comprises a first driver 21, a driving rod 22, a driven rod 23, a gear 24 and a crushing disc 25. The first driving member 21 is a motor, an output shaft of the motor is fixedly connected with the driving rod 22, the driving rod 22 can be driven to rotate, two gears 24 are respectively fixedly arranged on the driving rod 22 and the driven rod 23, the two gears 24 are meshed with each other, and when the driving rod 22 rotates, the driven rod 23 also rotates under the drive of the gears 24. The crushing disc 25 has a plurality of, and a plurality of crushing discs 25 are evenly fixed to be set up on driving rod 22 and driven rod 23, and the cutting direction of crushing disc 25 is parallel with the feed direction of pan feeding mouth 11, puts into pan feeding mouth 11 after the polyester film waste material, and crushing disc 25 cuts the waste material for the first time.
Referring to fig. 1 and 2, one side of the guide plate 3 far away from the discharge hole 12 is rotatably connected with the casing 1, the guide plate 3 is inclined downwards towards the discharge hole 12, and the guide plate 3 is close to one end of the discharge hole 12 and extends out to the discharge hole 12, the guide surface is used for receiving and guiding waste materials cut for the first time, an elastic piece 31 is fixedly connected between the back of the guide plate 3 and the bottom wall of the discharge hole 12, the lower surface of the guide plate 3 is used as the back of the guide plate 3, the elastic piece 31 is a spring, and after the second crushing assembly 4 finishes cutting waste materials on the guide plate 3 and applies downward force to the guide plate 3, the guide plate 3 can slightly turn downwards, so that the elastic piece 31 is in a force storage state. When the second crushing assembly 4 no longer applies an external force to the guide plate 3, the elastic member 31 releases the accumulated force, so that the guide plate 3 is reset.
By the accumulation and release of the elastic member 31, the guide plate 3 can be swung, and the conveying efficiency of the waste material on the guide plate 3 can be improved.
Referring to fig. 2 and 3, the second crushing assembly 4 includes a second driving part 42, a cutter 41, and a reset member 43, the second driving part 42 is a motor, an output shaft of the motor is fixed with a rotating wheel, a transmission rod is connected between the rotating wheel and the top of the cutter 41, the cutter 41 is disposed above the guide plate 3, and the reset member 43 can enable the guide plate 3 to move relative to the housing 1. Under the action of the rotation and the transmission rod, the cutter 41 vertically moves back and forth relative to the outlet direction of the discharge hole 12 in a reciprocating manner 12.
Along with the operation of the second driving member 42, the rotating wheel can drive the driving rod to make the driving rod pull or push the cutter 41 to reciprocate towards the direction of the guide plate 3, and the reset member 43 can force the cutter 41 to move away from the direction of the guide plate 3 for assisting the cutter 41. The side of the cutter 41 facing the guide plate 3 has a blade, and the cutting direction of the blade of the cutter 41 is the direction in which the waste is cut. The waste material which is cut for the first time can be cut again. So that the strip-shaped or band-shaped polyester film waste can be cut into small pieces.
Referring to fig. 3 and 4, the reset member 43 includes a reset member 431 and a guide protrusion 432, the guide protrusion 432 is fixedly connected with two sides of the cutter 41, the housing 1 is provided with a guide groove 433, the guide groove 433 is adapted to the guide protrusion 432, the guide protrusion 432 is located in the guide groove 433, the reset member 431 is a spring and is also located in the guide groove 433, two ends of the reset member 431 are fixedly connected with the side walls of the guide protrusion 432 and the guide groove 433 respectively, when the cutter 41 is pushed by the rotating wheel, the guide protrusion 432 can move along the path of the guide groove 433, and when the cutter 41 moves downwards, the cutting edge of the cutter 41 can cut the waste on the guide plate 3.
When the cutter 41 moves downward, the guide protrusion 432 presses the reset member 431, so that the reset member 431 is pressed to accumulate force, and when the driving rod pulls the cutter 41 to move upward, the reset member 431 further pushes the cutter 41 to move upward.
The rotary wheel and the transmission rod are utilized to reciprocate, so that the waste on the guide plate 3 is cut.
The mylar waste recycling device further comprises a filtering component 5, wherein the filtering component 5 is located below the discharge hole 12 and is used for collecting and filtering waste materials cut by the cutter 41.
Referring to fig. 3 to 5, the filter assembly 5 (see fig. 1) includes a swing lever 51 and a filter pocket 52, and the swing lever 51 and the housing 1 form a revolute pair so that the swing lever 51 can swing with respect to the housing 1. The swing rod 51 is provided with a connecting rod 54, the filter pocket 52 is provided with a connecting groove 55 matched with the connecting rod 54, and the filter pocket 52 is detachably connected with the swing rod 51 by utilizing the connecting rod 54 and the connecting groove 55.
Referring to fig. 4 and 5, the swing lever 51 has an abutting surface 53, and the abutting surface 53 is located below the guide protrusion 432 when the filter assembly 5 is not driven by an external force, that is, when the driving lever no longer drives the cutter 41 to move downward. When the driving lever presses the cutter 41 to move the guide projection 432 downward, the guide projection 432 can abut against the abutting surface 53 and push the lever to swing relative to the housing 1. When the swing lever 51 swings, the filter pocket 52 on the swing lever 51 swings relatively. The waste material can be filtered off at the filter pocket 52, leaving large pieces of waste material in the filter pocket 52 and small pieces of waste material filtered out for recycling. The waste material remaining on the filter pocket 52 may be re-transported to the inlet 11 for re-cutting to meet recycling criteria.
The embodiment is implemented by the principle that unqualified polyester film waste is placed into a material inlet 11, the first crushing assembly 2 cuts the waste in the vertical direction to form long strips or strips, then the waste moves to the second crushing assembly 4 at the material outlet 12 under the guide of the guide plate 3, and the second crushing assembly 4 can transversely cut the long strips or strips, so that the small-piece waste is formed, and the crushing quality is good, and the recovery efficiency is high.
The above embodiments are not intended to limit the scope of the present application, so that those skilled in the art may set forth various alternative configurations and implementations without changing the spirit of the present application according to the technical scheme of the present application. Accordingly, the foregoing detailed description and drawings are merely exemplary of the application and are not intended to be exhaustive or to limit the application to the precise form disclosed. Therefore, all equivalent changes according to the structure, shape and principle of the present application should be covered in the protection scope of the present application.