Auxiliary suction device for sorting waste plastic films
By designing a combination of support frame, conveyor belt and tumbling mechanism, the problem of waste plastic film being squeezed and adhered during sorting was solved, achieving efficient and clean sorting results.
Patent Information
- Application Number
- CN202520150661.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-22
AI Technical Summary
In existing technologies, waste plastic film is easily squeezed by other waste plastic products during the sorting process, resulting in poor sorting effect. In addition, oil and dust can easily cause the film to adhere to the feeding conveyor belt, polluting the environment.
A device comprising a support frame, a conveyor belt, a suction mechanism, and a tumbling mechanism was designed. The device uses a motor to drive a stirring shaft and gears to move a sliding plate, thereby tumbling and cleaning mixed plastic products. Combined with a cleaning box to clean the surface of the conveyor belt, the device improves sorting efficiency.
It effectively flips out the crushed waste plastic film, avoids oil stains from adhering, improves the sorting and suction effect, and keeps the working environment clean.
Smart Images

Figure CN223701391U_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 and old plastic film sorting auxiliary suction device. BACKGROUND
[0002] According to the patent document with the announcement number CN218399006U, the waste and old film is sorted by setting multiple suction pipes, the suction pipe is an organ pipe type telescopic pipe, a limiting plate is fixed on the end of the suction pipe far from the air conveying pipe, when the suction pipe is in the limit contraction state, the limiting plate can avoid the situation that the length of the suction pipe cannot be reset, the mixed waste and old plastic products are conveyed to the lower side of the suction pipe by the feeding conveyor belt, the waste and old film on the top of the feeding conveyor belt is sucked into the air conveying pipe by the vortex fan, and then is crushed in the crusher, after being crushed by the crusher, the crushed plastic film is sent to the roller dryer by the screw conveyor, and then is dried, and the dried crushed plastic film is loaded into ton bag through the outlet screw conveyor.
[0003] When the waste and old film on the feeding conveyor belt is sucked out by the suction pipe, the waste and old film is easily pressed at the bottom by other waste and old plastic products due to its light weight and thin thickness, the vortex fan cannot completely sort out the waste and old film by using normal air suction force, and the vortex fan easily sucks other waste and old plastic products into the suction pipe by using excessive air suction force, which affects the sorting and suction effect of the waste and old film, and the oil stains and dust residues on the waste and old plastic products easily cause the waste and old film to adhere to the surface of the feeding conveyor belt, polluting the working environment. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a waste and old plastic film sorting auxiliary suction device to solve the above problems.
[0005] The utility model realizes the above-mentioned purposes by the following technical solutions:
[0006] A waste and old plastic film sorting auxiliary suction device, comprising a support frame, two rotating shafts are rotatably connected to the two sides of the support frame, a conveyor belt is sleeved on the two rotating shafts, a suction mechanism is arranged on the upper side of the conveyor belt, and a stirring mechanism is further included.
[0007] The stirring mechanism comprises two baffles, the two baffles are fixed on the top of the support frame, a sliding plate is slidably connected to the outer side of the top of each baffle, a stirring shaft is rotatably connected between the two sliding plates, a gear is fixed on the top of each baffle, the gear is meshed with a gear rack, a first motor is fixedly arranged on the input end of the stirring shaft, a brush plate is fixed to the top and the bottom of the stirring shaft, a cleaning tank is arranged on the other side of the conveyor belt, a spatula is hingedly connected to one side of the bottom and the other side of the top of the stirring shaft, and two springs are fixed between the spatula and the stirring shaft.
[0008] Preferably: the suction mechanism comprises a connecting pipe located above the conveying belt, three feeding pipes fixed at the bottom of the connecting pipe, a discharging pipe fixed at one side of the connecting pipe, and a fan fixed at one side of the discharging pipe.
[0009] Preferably: the feeding pipe is composed of a trapezoidal body and a cuboid for expanding the suction range, the discharging pipe is provided with ventilation holes at one side, and four supporting legs are fixed at the bottom of the discharging pipe.
[0010] Preferably: two sliding rails are fixed at the top of the outer side of each baffle, the end surface of the sliding rail is T-shaped, and two pulleys matched with the sliding rails are fixed at the back side of the sliding plate.
[0011] Preferably: an arc groove for allowing the gear to rotate downward is arranged at the other side of the baffle, and one side of the rack and the sliding rail is arc-shaped.
[0012] Preferably: a plurality of bristles for cleaning the surface of the conveying belt are fixed on the surface of the brush plate.
[0013] Compared with the prior art, the beneficial effects are as follows:
[0014] 1. The first motor drives the stirring shaft and the two gears to rotate, the sliding plate is driven to slide along the sliding rail to both sides through the meshing of the gear and the rack, the stirring shaft rotates and moves on the conveying belt, the shovel plate stirs the mixed waste plastic products, the extruded waste plastic film is turned out, and the sorting and suction effect is improved.
[0015] 2. The brush plate is cleaned on the surface of the conveying belt through the stirring shaft, the brush plate is cleaned in the cleaning box during the rotating and moving process through the arc groove at the other side of the baffle, the waste plastic film is prevented from sticking to the surface of the conveying belt due to oil stains, and the sorting and suction effect 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 those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.
[0017] Figure 1 is a structure diagram of the waste plastic film sorting auxiliary suction device according to the present application;
[0018] Figure 2 is a sectional view of the waste plastic film sorting auxiliary suction device according to the present application;
[0019] Figure 3 is a stirring mechanism structure diagram of the waste plastic film sorting auxiliary suction device according to the present application;
[0020] Figure 4 is a stirring shaft structure schematic view of the waste plastic film sorting auxiliary suction device;
[0021] Figure 5 is a shovel plate structure schematic view of the waste plastic film sorting auxiliary suction device;
[0022] Figure 6 is a sliding plate and pulley cooperation structure schematic view of the waste plastic film sorting auxiliary suction device;
[0023] Figure 7 is a sliding plate and pulley cooperation structure schematic view of the waste plastic film sorting auxiliary suction device;
[0024] Figure 8 is a first state diagram of the stirring mechanism of the waste plastic film sorting auxiliary suction device;
[0025] Figure 9 is a second state diagram of the stirring mechanism of the waste plastic film sorting auxiliary suction device.
[0026] The sign of the drawing is explained as follows:
[0027] 1, support frame; 2, rotating shaft; 3, conveying belt; 4, suction mechanism; 5, stirring mechanism; 401, connecting pipe; 402, feeding pipe; 403, discharging pipe; 404, fan; 501, baffle; 502, stirring shaft; 503, gear; 504, rack; 505, first motor; 506, sliding rail; 507, sliding plate; 508, pulley; 509, brush plate; 510, cleaning box; 511, shovel plate; 512, spring. Specific implementation
[0028] In the description of the present application, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood through specific circumstances.
[0029] The present application will be further described below in conjunction with the drawings:
[0030] As Figures 1-9The utility model provides an auxiliary suction device for sorting waste plastic film, which comprises a support frame 1, two rotating shafts 2 are rotatably connected to the two sides of the support frame 1, a conveyor belt 3 is sleeved on the two rotating shafts 2, a second motor is fixedly arranged at the input end of one of the two rotating shafts 2, a suction mechanism 4 is arranged on the upper side of the conveyor belt 3, and a stirring mechanism 5 is further included.
[0031] In the embodiment, the suction mechanism 4 comprises a connecting pipe 401, the connecting pipe 401 is located above the conveyor belt 3, three feeding pipes 402 are fixedly arranged at the bottom of the connecting pipe 401, a discharging pipe 403 is fixedly arranged at one side of the connecting pipe 401, a fan 404 is fixedly arranged at one side of the discharging pipe 403, the feeding pipes 402 are composed of trapezoidal bodies and cuboids for expanding the suction range, ventilation holes are formed in one side of the discharging pipe 403, four supporting legs are fixedly arranged at the bottom of the discharging pipe 403, and the waste plastic film on the conveyor belt 3 is sucked into the feeding pipes 402 through the connecting pipe 401 by the fan 404, enters the discharging pipe 403, and then falls down.
[0032] In the embodiment, the stirring mechanism 5 comprises two baffles 501, the two baffles 501 are fixedly arranged at the top of the support frame 1 on the front side and the rear side respectively, sliding plates 507 are slidably connected to the outer sides of the top of the two baffles 501, a stirring shaft 502 is rotatably connected between the two sliding plates 507, gears 503 are fixedly arranged on the front side and the rear side of the stirring shaft 502, a rack 504 is fixedly arranged on the top of the baffle 501 and engaged with the gears 503, a first motor 505 is fixedly arranged at the input end of the stirring shaft 502, brush plates 509 are fixedly arranged at the top and the bottom of the stirring shaft 502, a cleaning tank 510 is arranged on the other side of the conveyor belt 3, shovel plates 511 are hingedly arranged on one side of the bottom and the other side of the top of the stirring shaft 502, two springs 512 are fixedly arranged between the stirring shaft 502 and the shovel plates 511, sliding rails 506 are fixedly arranged on the outer sides of the top of the two baffles 501, the end faces of the sliding rails 506 are T-shaped, two pulleys 508 are fixedly arranged on the rear side of the sliding plate 507 and matched with the sliding rails 506, an arc-shaped groove is formed in the other side of the baffle 501 and used for allowing the gears 503 to rotate downward, one side of the rack 504 and the sliding rail 506 are arc-shaped, the stirring shaft 502 and the two gears 503 are driven to rotate by the first motor 505, the sliding plate 507 is driven to slide to the two sides along the sliding rail 506 by the meshing of the gears 503 and the rack 504, the shovel plates 511 are rotated and moved on the conveyor belt 3, so that the mixed waste plastic products are stirred, the shovel plates 511 are reset by the springs 512, the brush plates 509 are cleaned on the surface of the conveyor belt 3 by the stirring shaft 502, and the cleaning of the brush plates 509 in the cleaning tank 510 is completed in the rotating and moving process by the arc-shaped groove on the other side of the baffle 501.
[0033] Working principle: start the second motor to drive one of the shaft 2 rotation, in turn drive the conveyor belt 3 and another shaft 2 rotation, the need to sort the mixed plastic products from the other side into the conveyor belt 3, the conveyor belt 3 driven by the need to sort the mixed plastic products from one side to the other side, fan 404 through the connecting pipe 401 will be conveyed on the conveyor belt 3 waste plastic film into the feed pipe 402, into the discharge pipe 403 and fall;
[0034] In the process of moving the mixed plastic products need to be sorted, the first motor 505 drive stirring shaft 502 and two gear 503 rotation, gear 503 with rack 504 meshing drive sliding plate 507 along the slide rail 506 to the other side of the slide, two pulley 508 along the slide rail 506 sliding, stirring shaft 502 rotation on the conveyor belt 3 movement, shovel plate 511 contact conveyor belt 3 upward rotation, spring 512 is stretched, shovel plate 511 shovel up the mixed waste plastic products on the conveyor belt 3, spring 512 back to pull the shovel plate 511 reset, stirring shaft 502 drive brush plate 509 on the surface of the conveyor belt 3 clean brush, stirring shaft 502 moves to the other side of the conveyor belt 3, gear 503 drive stirring shaft 502 and brush plate 509 along the baffle 501 arc groove down, brush plate 509 in the process of rotating movement in the cleaning tank 510 cleaning, gear 503 to the end of the rack 504, the first motor 505 reverse rotation, drive stirring shaft 502 by the other side of the rotating movement to one side reset, so periodic stirring and cleaning.
[0035] The above shows and describes the basic principles, main features and advantages of the present application. The skilled person in the art should understand that the present application is not limited to the above examples, the above examples and the description in the specification is just to illustrate the principle of the present application, without departing from the spirit and scope of the present application, the present application will have various changes and improvements, these changes and improvements all fall within the scope of the present application.
Claims
1. A waste plastic film sorting auxiliary suction device, comprising a support frame (1), wherein rotating shafts (2) are rotatably connected to both sides of the support frame (1), a conveyor belt (3) is sleeved on both rotating shafts (2), and a suction mechanism (4) is provided on the upper side of the conveyor belt (3), characterized in that: It also includes a stirring mechanism (5); The stirring mechanism (5) includes two baffles (501), which are fixed to the front and rear sides of the top of the support frame (1). Sliding plates (507) are slidably connected to the outer sides of the top of the two baffles (501). A stirring shaft (502) is rotatably connected between the two sliding plates (507). Gears (503) are fixed to the front and rear sides of the stirring shaft (502). A rack (504) that meshes with the gears (503) is fixed to the top of the baffles (501). A first motor (505) is fixed to the input end of the stirring shaft (502). Brush plates (509) are fixed to the top and bottom of the stirring shaft (502). A cleaning box (510) is provided on the other side of the conveyor belt (3). A shovel plate (511) is hinged to one side of the bottom and the other side of the top of the stirring shaft (502). Two springs (512) are fixed between the shovel plate (511) and the stirring shaft (502).
2. The waste plastic film sorting auxiliary suction device according to claim 1, characterized in that: The suction mechanism (4) includes a connecting pipe (401) located above the conveyor belt (3). Three feed pipes (402) are fixed at the bottom of the connecting pipe (401), and a discharge pipe (403) is fixed on one side of the connecting pipe (401). A fan (404) is fixed on one side of the discharge pipe (403).
3. The waste plastic film sorting auxiliary suction device according to claim 2, characterized in that: The feed pipe (402) is composed of a trapezoidal body and a cuboid for expanding the suction range. The discharge pipe (403) has a ventilation hole on one side and four support legs fixed at the bottom.
4. The waste plastic film sorting auxiliary suction device according to claim 1, characterized in that: Both baffles (501) are fixed with slide rails (506) on their top outer sides. The end face of the slide rail (506) is T-shaped. Two pulleys (508) that cooperate with the slide rail (506) are fixed on the rear side of the sliding plate (507).
5. The waste plastic film sorting auxiliary suction device according to claim 4, characterized in that: The baffle (501) has an arc groove on the other side for the gear (503) to rotate downwards, and one side of the rack (504) and the slide rail (506) are both arc-shaped.
6. The waste plastic film sorting auxiliary suction device according to claim 1, characterized in that: The brush plate (509) has a number of bristles fixed on its surface for cleaning the surface of the conveyor belt (3).
Citation Information
Patent Citations
Auxiliary suction device for sorting waste plastic films
CN218399006U