Waste plastic film centrifugal dehydrator
By introducing a squeezing and cleaning mechanism and a drying mechanism into a centrifugal dewatering machine for waste plastic film, the problems of clogging and dust accumulation during the dewatering process of plastic film are solved, achieving efficient dewatering and cleaning effects.
Patent Information
- Application Number
- CN202520237018.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-02-14
AI Technical Summary
In existing technologies, waste plastic films are prone to clogging or jamming during centrifugal dehydration, resulting in poor water flow and dust accumulation that causes mold growth on the inner wall of the machine casing.
A centrifugal dewatering machine for waste plastic film was designed, which includes dewatering, drying and squeezing cleaning mechanisms. The machine achieves effective squeezing and dewatering of plastic film by rotating the shaft to drive the spiral blades and squeezing plate, and uses a brush plate to clean the inner wall of the cylinder, combined with a drying mechanism for hot air drying.
It achieves efficient dehydration and cleaning of plastic film, avoids clogging and dust accumulation, and improves the operational stability of the equipment and environmental hygiene.
Smart Images

Figure CN223691472U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to waste and old film processing device technical field, especially to a kind of waste plastic film centrifugal dehydrator. BACKGROUND
[0002] According to the patent document with the announcement number CN215337348U, the spiral blade is driven to rotate by the installation shaft, the spiral blade makes the plastic film rotate in the filter cartridge, and the plastic film is pushed forward, a part of moisture is thrown out from the filter hole of the filter cartridge, the plastic film is pushed forward by the spiral blade, and gradually extrudes the baffle to move, the baffle compresses the compression spring, the plastic film contacting the baffle is subjected to more and more extrusion force, the plastic film is more dehydrated, the dehydration rate of the plastic film is improved, when the extrusion force of the baffle is large enough, the moving position exceeds the connecting pipe, the plastic film subjected to extrusion dehydration enters the drying box, the stirring rod is rotated by the heating pipe, the plastic film fragments in the drying box are scattered by the stirring rod, and the hot air is continuously blown into the drying box from the air-permeable hole of the heating pipe by the air heater, so that the scattered plastic film fragments are dried;
[0003] When the plastic film is extruded by the spiral blade to the baffle, and the baffle moves beyond the connecting pipe, the plastic film contacting the baffle is extruded to the baffle at the same time, and is subjected to the counterforce of the compression spring and the baffle, so that the plastic film contacting the baffle is subjected to the thrust force on both sides, and is clamped between the baffle and the end of the spiral blade and cannot fall into the connecting pipe, and the spiral blade continuously pushes the plastic film forward, so that the plastic film between the baffle and the end of the spiral blade is more and more, which causes blockage or jamming, and the plastic dust generated by crushing may exist in the moisture thrown out from the filter hole of the filter cartridge, which is easily adhered and accumulated on the inner wall of the machine shell, affects the outflow of the moisture and causes the inner wall of the machine shell to be mildewed. UTILITY MODEL CONTENTS
[0004] The utility model aims to solve the above-mentioned problems and provides a kind of waste plastic film centrifugal dehydrator.
[0005] The utility model realizes the above-mentioned purposes by the following technical solutions:
[0006] A kind of waste plastic film centrifugal dehydrator, including dehydration mechanism, dehydration mechanism one side is equipped with drying mechanism, still include extrusion cleaning mechanism;
[0007] Extrusion cleaning mechanism includes extrusion plate, extrusion plate one side is equipped with inclined plate, extrusion plate one side is fixed with the mobile rod of sliding connection with inclined plate, extrusion plate other side is equipped with connecting rod, connecting rod front and back both sides are fixed with sliding rod, two sliding rods are all with spring, extrusion plate front and back both sides are fixed with brush plate.
[0008] Preferably: the dewatering mechanism comprises a barrel, a rotating shaft is rotatably connected in the barrel, a first motor is fixedly arranged at the input end of the rotating shaft, a spiral blade is fixed to the outer side of the rotating shaft, a filter barrel is arranged on the outer side of the spiral blade, a feeding pipe is fixedly connected between the barrel and the filter barrel, a drain pipe is fixed to the bottom of the barrel, and the end of the brush plate with the bristles extends into the barrel.
[0009] Preferably: the drying mechanism comprises a drying box, the drying box is fixed below one side of the barrel, a stirring shaft is rotatably connected in the drying box, a second motor is fixedly arranged at the input end of the stirring shaft, a plurality of resistance wires are fixed to the front side of the drying box, and a fan is fixed to the front side of the resistance wires.
[0010] Preferably: the top of the drying box is provided with a feeding port, and the bottom of the drying box is provided with a discharging port.
[0011] Preferably: an angle is formed between the inclined plate and the extrusion plate, a support rod is fixedly connected between the inclined plate and the barrel, a sliding ball is fixed to one side of the moving rod, and a circular ring sliding groove matched with the sliding ball is formed in the other side of the inclined plate.
[0012] Preferably: the extrusion plate is arranged on one side of the filter barrel, a cylindrical sliding groove matched with the sliding rod is formed in the extrusion plate, and the connecting rod is fixed to the other side of the rotating shaft.
[0013] Compared with the prior art, the beneficial effects are as follows:
[0014] 1. The rotating shaft drives the connecting rod and the two sliding rods to rotate, the two sliding rods drive the extrusion plate to rotate, and then the extrusion plate drives the sliding ball of the moving rod to slide in the circular ring sliding groove of the inclined plate, so that the moving rod pushes the extrusion plate to move into the filter barrel, the waste plastic film is extruded and dewatered, the extruded waste plastic film is only subjected to the side thrust of the spiral blade due to the action of the compressed spring on the extrusion plate, the waste plastic film is pushed out and falls into the drying box, and the smoothness of extrusion and dewatering is ensured.
[0015] 2. The rotation and reciprocating movement of the extrusion plate drive the two brush plates to rotate and reciprocate along the two sides to brush the inner wall of the barrel, so that the plastic dust on the inner wall of the barrel is prevented from accumulating, and the working environment is improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.
[0017] Figure 1 is a structural schematic view of a waste plastic film centrifugal dewatering machine.
[0018] Figure 2 This is a cross-sectional view of a waste plastic film centrifugal dewatering machine according to the present invention;
[0019] Figure 3 This is a schematic diagram of the dewatering mechanism of a waste plastic film centrifugal dewatering machine according to the present invention;
[0020] Figure 4 This is a schematic diagram of the extrusion and cleaning mechanism of a centrifugal dewatering machine for waste plastic film as described in this utility model;
[0021] Figure 5 This is a schematic diagram of the drying mechanism of a centrifugal dewatering machine for waste plastic film as described in this utility model;
[0022] Figure 6 This is a cross-sectional view of the squeezing and cleaning mechanism of a centrifugal dewatering machine for waste plastic film as described in this utility model;
[0023] Figure 7 This is a schematic diagram of the connecting rod and sliding rod cooperation structure of a waste plastic film centrifugal dewatering machine according to this utility model.
[0024] The annotations in the attached figures are explained as follows:
[0025] 1. Dehydration mechanism; 2. Extrusion and cleaning mechanism; 3. Drying mechanism; 101. Barrel; 102. Filter cylinder; 103. Rotating shaft; 104. Spiral blade; 201. Extrusion plate; 202. Inclined plate; 203. Moving rod; 204. Connecting rod; 205. Sliding rod; 206. Spring; 207. Brush plate; 301. Drying box; 302. Agitating shaft; 303. Fan; 304. Resistance wire. Detailed Implementation
[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0027] The present invention will be further described below with reference to the accompanying drawings:
[0028] like Figures 1-7 As shown, a waste plastic film centrifugal dewatering machine includes a dewatering mechanism 1, a drying mechanism 3 on one side of the dewatering mechanism 1, and a squeezing and washing mechanism 2.
[0029] In the embodiment: the dewatering mechanism 1 comprises a machine cylinder 101, a rotating shaft 103 is rotatably connected in the machine cylinder 101, a first motor is fixedly arranged at the input end of the rotating shaft 103, a spiral blade 104 is fixedly arranged outside the rotating shaft 103, a filter cylinder 102 is arranged outside the spiral blade 104, a feeding pipe is fixedly connected between the machine cylinder 101 and the filter cylinder 102, a drain pipe is fixedly arranged at the bottom of the machine cylinder 101, one end of a brush plate 207 with bristles extends into the machine cylinder 101, the rotating shaft 103 and the spiral blade 104 are driven to rotate by the first motor, the waste plastic film is driven to rotate and advance by the spiral blade 104, part of the water on the waste plastic film is thrown out of the filter cylinder 102 due to centrifugal motion, and the thrown water stays along the inner wall of the machine cylinder 101 and flows out from the drain pipe.
[0030] In the embodiment: the extrusion cleaning mechanism 2 comprises an extrusion plate 201, an inclined plate 202 is arranged on one side of the extrusion plate 201, a moving rod 203 is fixedly arranged on one side of the extrusion plate 201 and slidably connected with the inclined plate 202, an angle exists between the inclined plate 202 and the extrusion plate 201, a support rod is fixedly connected between the inclined plate 202 and the machine cylinder 101, a sliding ball is fixedly arranged on one side of the moving rod 203, a circular ring sliding groove matched with the sliding ball is arranged on the other side of the inclined plate 202, a connecting rod 204 is arranged on the other side of the extrusion plate 201, sliding rods 205 are fixedly arranged on the front and back sides of the connecting rod 204, the two sliding rods 205 are slidably connected with the extrusion plate 201, the extrusion plate 201 is located on one side of the filter cylinder 102, a circular cylinder sliding groove matched with the sliding rods 205 is arranged in the extrusion plate 201, the connecting rod 204 is fixedly arranged on the other side of the rotating shaft 103, springs 206 are sleeved outside the two sliding rods 205, brush plates 207 are fixedly arranged on the front and back sides of the extrusion plate 201, the connecting rod 204 and the two sliding rods 205 are driven to rotate by the rotating shaft 103, the extrusion plate 201 is driven to rotate by the two sliding rods 205, the sliding ball of the moving rod 203 is driven to slide in the circular ring sliding groove of the inclined plate 202 by the extrusion plate 201, so that the extrusion plate 201 is driven to move into the filter cylinder 102, the extrusion plate 201 is reset by the reaction of the compressed springs 206, and the two brush plates 207 are driven to rotate and reciprocally brush the inner wall of the machine cylinder 101 by the rotation and reciprocation of the extrusion plate 201.
[0031] In this embodiment: drying mechanism 3 includes drying box 301, drying box 301 is fixed below one side of machine cylinder 101, stirring shaft 302 is rotatably connected in drying box 301, second motor is fixedly arranged at the input end of stirring shaft 302, a plurality of resistance wires 304 are fixed on the front side of drying box 301, fan 303 is fixed on the front side of resistance wire 304, feeding port is formed on the top of drying box 301, and discharging port is formed on the bottom of drying box 301, waste plastic film entering drying box 301 is scattered by second motor driving stirring shaft 302, external air is introduced into drying box 301 by fan 303, and the introduced air is heated by resistance wire 304.
[0032] Working principle: the waste plastic film to be dehydrated is continuously fed into filter cylinder 102 through feeding pipe, first motor drives rotation shaft 103 and spiral blade 104 to rotate, spiral blade 104 drives the waste plastic film to rotate and advance, part of the water on the waste plastic film is thrown out of filter cylinder 102 due to centrifugal motion, and the thrown water stays along the inner wall of machine cylinder 101 and flows out from drain pipe;
[0033] In the process of spiral blade 104 pushing the waste plastic film to advance, rotation shaft 103 drives connecting rod 204 and two sliding rods 205 to rotate, two sliding rods 205 drive extrusion plate 201 to rotate, and then extrusion plate 201 drives the sliding ball of moving rod 203 to slide in the annular sliding groove of inclined plate 202, in the process of moving rod 203 sliding from the top to the bottom of inclined plate 202, moving rod 203 moves from one side to the other side, so that moving rod 203 pushes extrusion plate 201 to enter one side of filter cylinder 102, and the waste plastic film after centrifugal dehydration is extruded and dehydrated, two sliding rods 205 enter cylindrical sliding groove, and two springs 206 are compressed, when moving rod 203 slides to the bottom of inclined plate 202, extrusion plate 201 no longer moves, compressed spring 206 acts on extrusion plate 201, and pushes extrusion plate 201 to move from the other side to the one side, extrusion plate 201 drives moving rod 203 to slide from the bottom to the top of inclined plate 202 and reset, the extruded waste plastic film is only subjected to the thrust of one side of spiral blade 104, the waste plastic film is pushed out and falls into drying box 301, so that periodic extrusion dehydration is realized, and the rotation and reciprocating movement of extrusion plate 201 along two sides drive two brush plates 207 to rotate and reciprocally brush the inner wall of machine cylinder 101;
[0034] Second motor drives stirring shaft 302 to scatter the waste plastic film entering drying box 301, fan 303 introduces external air into drying box 301, and resistance wire 304 heats the introduced air, so that the waste plastic film is dried and discharged from the discharging port.
[0035] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. A centrifugal dewatering machine for waste plastic film, comprising a dewatering mechanism (1), wherein a drying mechanism (3) is provided on one side of the dewatering mechanism (1), characterized in that: It also includes a squeezing and cleaning mechanism (2); The squeezing cleaning mechanism (2) includes a squeezing plate (201), an inclined plate (202) on one side of the squeezing plate (201), a movable rod (203) fixed on one side of the squeezing plate (201) and slidably connected to the inclined plate (202), a connecting rod (204) on the other side of the squeezing plate (201), a sliding rod (205) fixed on both the front and rear sides of the connecting rod (204), both sliding rods (205) being slidably connected to the squeezing plate (201), and a spring (206) sleeved on the outer side of both sliding rods (205). A brush plate (207) is fixed on both the front and rear sides of the squeezing plate (201).
2. The centrifugal dewatering machine for waste plastic film according to claim 1, characterized in that: The dehydration mechanism (1) includes a barrel (101), a rotating shaft (103) is rotatably connected inside the barrel (101), a first motor is fixedly installed at the input end of the rotating shaft (103), a spiral blade (104) is fixedly installed on the outside of the rotating shaft (103), a filter cylinder (102) is provided on the outside of the spiral blade (104), a feed pipe is fixedly connected between the barrel (101) and the filter cylinder (102), a drain pipe is fixedly installed at the bottom of the barrel (101), and one end of the brush plate (207) with bristles extends into the barrel (101).
3. The centrifugal dewatering machine for waste plastic film according to claim 2, characterized in that: The drying mechanism (3) includes a drying box (301), which is fixed below one side of the barrel (101). A stirring shaft (302) is rotatably connected inside the drying box (301). A second motor is fixedly installed at the input end of the stirring shaft (302). Several resistance wires (304) are fixed on the front side of the drying box (301), and a fan (303) is fixed on the front side of the resistance wires (304).
4. A centrifugal dewatering machine for waste plastic film according to claim 3, characterized in that: The drying box (301) has a feed inlet at the top and a discharge outlet at the bottom.
5. A centrifugal dewatering machine for waste plastic film according to claim 2, characterized in that: There is an angle between the inclined plate (202) and the extrusion plate (201). A support rod is fixedly connected between the inclined plate (202) and the barrel (101). A slider is fixed on one side of the moving rod (203), and an annular groove that cooperates with the slider is opened on the other side of the inclined plate (202).
6. A centrifugal dewatering machine for waste plastic film according to claim 2, characterized in that: The extrusion plate (201) is located on one side of the filter cylinder (102), and a cylindrical groove that cooperates with the sliding rod (205) is provided in the extrusion plate (201). The connecting rod (204) is fixed on the other side of the rotating shaft (103).
Citation Information
Patent Citations
Waste plastic film centrifugal dehydrator
CN215337348U