Plastic particle screening device
By adopting a threaded blade and rotating drum structure in the plastic particle screening device, the filter screen can be replaced without stopping the machine, which solves the problem of needing to stop the machine to replace the filter screen in the existing technology, and improves production efficiency and screening effect.
Patent Information
- Application Number
- CN202422923597.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Existing plastic pellet screening devices require shutdown and emptying of internal contents when changing the filter screen, resulting in low production efficiency.
A plastic granule screening device was designed. By setting threaded blades and a rotating drum inside the screen box, the threaded blades are driven by a motor to stir the plastic granules, and the rotating drum moves the filter screens of different aperture sizes to the bottom of the discharge port, so that the filter screens can be replaced without stopping the machine.
It enables filter replacement without shutting down the machine, improving production efficiency and efficiently screening plastic particles of different sizes.
Smart Images
Figure CN223750020U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to granule processing technical field, concretely to a plastic granule screening device. BACKGROUND
[0002] Plastic is a high molecular compound polymerized by monomer as raw material through polyaddition or polycondensation reaction. Plastic granule is a semi-finished product of plastic forming processing industry, which is composed of synthetic resin, filler, plasticizer, lubricant and the like, and can freely change composition and body style. Plastic granule can be made into related plastic products through further processing. In industrial production, the processed raw material is extruded by an extruder into a strip, melted into a melt through heating, and then extruded and cut into granules by a granulator, and the required plastic granules are formed after cooling.
[0003] However, there are differences in size among the granular finished products, and different sizes of granular finished products need to be screened out and packaged separately by a screening device. The existing screening device can control the size of the screened particles by replacing filter screens of different specifications, but the internal part of the screening box device needs to be emptied when replacing the filter screen, and the device needs to be stopped for replacement operation. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a plastic granule screening device to solve the problem that the existing screening device can control the size of the screened particles by replacing filter screens of different specifications, but the internal part of the screening box device needs to be emptied when replacing the filter screen, and the device needs to be stopped for replacement operation.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a plastic granule screening device, comprising a screening box and a screening part:
[0006] The screening box comprises a feeding port opened in the side surface of the screening box, a discharging port opened in the bottom of the screening box, a threaded blade rotatably arranged in the interior of the screening box, a motor a arranged in the side surface of the screening box, an output end of the motor a connected with the threaded blade, the screening part arranged in the side surface of the screening box, the screening part having a rotating cylinder rotatably nested in the side surface of the screening box, four connecting ports opened in the rotating cylinder, the connecting ports provided with filter screens, and the rotating frame rotating to move the connecting ports to the position directly below the discharging port to complete the screening operation.
[0007] By adopting the above technical scheme, when the motor a drives the threaded blade to stir the plastic granules in the interior of the screening box, the rotating cylinder is rotated to move the filter screens of different pore sizes to the position below the discharging port, so that the device can replace the filter screens without stopping and emptying the contents, and the device can screen plastic granules of different sizes.
[0008] Preferably, the sieve box further comprises a rotating groove opened on the side surface of the sieve box, and the rotating drum is embedded in the rotating groove and rotationally connected with the sieve box.
[0009] By adopting the above technical scheme, the rotating drum can rotate along the rotating groove on the side surface of the sieve box.
[0010] Preferably, the screening part further comprises a rotating frame rotationally arranged on the side surface of the rotating drum, and the rotating frame is in abutment with the filter screen.
[0011] By adopting the above technical scheme, the rotating frame can be in abutment with the filter screen through rotation, so that the filter screen can be fixedly installed on the side surface of the rotating drum, and the filter screen can be dismounted by rotating the rotating frame to move away from the filter screen.
[0012] Preferably, the screening part further comprises a fixing buckle arranged on the side surface of the rotating drum, a clasp slidingly arranged in the fixing buckle, and a spring arranged at one end of the clasp and located between the clasp and the fixing buckle.
[0013] By adopting the above technical scheme, the clasp can be slidingly displaced in the fixing buckle through the elastic force of the spring.
[0014] Preferably, the screening part further comprises a clamping groove opened on the side surface of the rotating frame, and the clamping groove is in clamping connection with the clasp.
[0015] By adopting the above technical scheme, the clasp can be clamped into the clamping groove through displacement, so that the position of the rotating frame can be fixed.
[0016] Preferably, the threads of the threaded blade are mirror-symmetrically arranged along the center of the threaded blade, and the threaded blade is directly below a discharge port opened on the bottom of the sieve box.
[0017] By adopting the above technical scheme, when the motor a drives the threaded blade to rotate, the plastic particles in the sieve box can be stirred, and at the same time, the plastic particles at both ends of the sieve box can be moved to the middle of the sieve box, so that the plastic particles can be prevented from being accumulated at both ends of the sieve box.
[0018] Preferably, the screening part further comprises a ring of clamping teeth arranged on the side surface of the rotating drum, a motor b arranged on the top of the sieve box, and a gear arranged at the output end of the motor b and in meshing connection with the clamping teeth.
[0019] By adopting the above technical scheme, the rotating drum can be driven to rotate on the outside of the sieve box through the rotation of the gear driven by the motor b.
[0020] Compared with the prior art, the beneficial effects of the utility model are: through being provided with the screening part, when the motor a drives the threaded blade to stir the plastic particles in the inside of the sieve box, the filter screen of different aperture is moved below the discharge gate through the rotating drum, the device can replace the filter screen without stopping and emptying the content, the device can screen the plastic particles of different size. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is the whole structural schematic diagram of the application;
[0022] Figure 2 It is the whole sectional structure schematic diagram of the application;
[0023] Figure 3 It is the whole sectional structure schematic diagram of the application;
[0024] Figure 4 It is the structure schematic diagram of the rotating drum installation filter screen of the application;
[0025] Figure 5 It is the sieve box sectional structure schematic diagram of the application.
[0026] In the drawing: 1, sieve box;101, inlet;102, discharge gate;103, rotating groove;104, threaded blade;105, motor a;2, screening part;201, rotating drum;202, connecting port;203, rotating frame;204, fixed buckle;205, buckle;206, spring;207, clamping groove;208, filter screen;209, clamping tooth;210, motor b;211, gear. DETAILED DESCRIPTION
[0027] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.
[0028] Embodiment one
[0029] Please refer to Figure 1 、 Figure 2 and Figure 3 , the embodiment provides a kind of technical scheme: a kind of plastic particle screening device, including sieve box 1 and screening part 2:
[0030] The side of the sieve box 1 is provided with a feeding port 101, the bottom of the sieve box 1 is provided with a discharging port 102, the inside of the sieve box 1 is provided with a screw blade 104, the side of the sieve box 1 is provided with a motor a 105, the output end of the motor a 105 is connected with the screw blade 104, the screening part 2 is arranged on the side of the sieve box 1, the rotary drum 201 is rotatably nested on the side of the sieve box 1, the rotary groove 103 is arranged on the side of the sieve box 1, the rotary drum 201 is embedded in the rotary groove 103 and is rotatably connected with the sieve box 1, so that the rotary drum 201 can rotate along the rotary groove 103 on the side of the sieve box 1, four connecting ports 202 are arranged on the rotary drum 201, the connecting ports 202 are provided with filter screens 208, the rotary frame 203 rotates to rotate the connecting ports 202 to the directly below the discharging port 102 to complete the screening operation, when the motor a 105 drives the screw blade 104 to stir the plastic particles in the sieve box 1, the rotary drum 201 is rotated to move the filter screens 208 with different hole diameters to below the discharging port 102, so that the device can replace the filter screens 208 without stopping and emptying the contents, and the device can screen plastic particles of different sizes,
[0031] Embodiment two
[0032] Please refer to Figure 3 , Figure 4 and Figure 5 , the embodiment provides a technical scheme: a plastic particle screening device, comprising a screening part 2, a rotary drum 201 and a rotary frame 203:
[0033] A rotating frame 203 is arranged on the side of the rotating drum 201 and abuts against the filter screen 208. The rotating frame 203 can be abutted against the filter screen 208 by rotating the rotating frame 203, so that the filter screen 208 can be fixedly installed on the side of the rotating drum 201. When the rotating frame 203 is rotated to be away from the filter screen 208, the filter screen 208 can be removed. A fixing buckle 204 is arranged on the side of the rotating drum 201. A clasp 205 is slidably arranged in the fixing buckle 204. A spring 206 is arranged at one end of the clasp 205 and located between the clasp 205 and the fixing buckle 204. The spring 206 can push the clasp 205 to slide and displace in the fixing buckle 204 by the elastic force of the spring 206. A clamping groove 207 is arranged on the side of the rotating frame 203 and connected with the clasp 205 in a clamping mode. The clasp 205 can be clamped into the clamping groove 207 by the displacement of the clasp 205, so that the position of the rotating frame 203 can be fixed. The threads of the threaded blade 104 are symmetrically arranged along the center of the threaded blade 104. A discharge port 102 is arranged below the threaded blade 104. When the motor a 105 drives the threaded blade 104 to rotate, the plastic particles in the sieve box 1 can be stirred, and the plastic particles at both ends of the sieve box 1 can be moved to the middle of the sieve box 1, so that the plastic particles are not accumulated at both ends of the sieve box 1. A plurality of clamping teeth 209 are arranged on the side of the rotating drum 201. A motor b 210 is arranged on the top of the sieve box 1. A gear 211 is arranged on the output end of the motor b 210 and connected with the clamping teeth 209 in a meshing mode. The motor b 210 can drive the gear 211 to rotate, so that the rotating gear 211 can drive the rotating drum 201 to rotate on the outside of the sieve box 1.
[0034] Working principle: first, the device is powered on, then the plastic particles that need to be screened from the inlet 101 into the inside of the sieve box 1, then the motor a 105 drives the screw blade 104 to stir the plastic particles in the sieve box 1, while stirring the plastic particles in the sieve box 1, it can also drive the plastic particles at both ends of the sieve box 1 to move to the middle position of the sieve box 1, smaller plastic particles will be screened out by the filter screen 208, a set of clamping teeth 209 is arranged on the side of the rotating drum 201, a motor b 210 is arranged on the top of the sieve box 1, a gear 211 is arranged on the output end of the motor b 210, the gear 211 is connected with the clamping tooth 209, the gear 211 can be rotated by the motor b 210, and the rotating gear 211 can drive the rotating drum 201 to rotate outside the sieve box 1, the rotating drum 201 is rotated to make the filter screen 208 with different hole diameters move below the discharge port 102, so that the device can replace the filter screen 208 without stopping and emptying the contents, and the device can screen plastic particles of different sizes, a rotating frame 203 is arranged on the side of the rotating drum 201, the rotating frame 203 abuts with the filter screen 208, the rotating frame 203 can be rotated to abut with the filter screen 208, so that the filter screen 208 can be fixedly installed on the side of the rotating drum 201, and the filter screen 208 can be disassembled by rotating the rotating frame 203 to move away from the filter screen 208, a fixing buckle 204 is arranged on the side of the rotating drum 201, a clamping buckle 205 is slidably arranged in the fixing buckle 204, a spring 206 is arranged at one end of the clamping buckle 205, and the spring 206 is located between the clamping buckle 205 and the fixing buckle 204. The spring 206 can push the clamping buckle 205 to slide and displace in the fixing buckle 204, a clamping groove 207 is formed in the side of the rotating frame 203, and the clamping groove 207 is connected with the clamping buckle 205, the clamping buckle 205 can be clamped into the clamping groove 207 by displacement, so that the position of the rotating frame 203 can be fixed, and the filter screen 208 with different hole diameters can be installed on the side of the rotating drum 201.
[0035] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A plastic particle screening device, characterized by, The utility model relates to a screening device, including: The sieve box (1) includes the feed inlet (101) opened in the side of sieve box (1), the bottom of sieve box (1) is opened with the discharge port (102), the inside rotation of sieve box (1) is provided with screw blade (104), the side of sieve box (1) is provided with motor a (105), and the output end of motor a (105) is connected with screw blade (104); The screening part (2) is arranged at the side of the sieve box (1), and the screening part (2) has a rotating cylinder (201) rotatably nested at the side of the sieve box (1), the rotating cylinder (201) is provided with four connecting openings (202), and the connecting openings (202) are provided with filter screens (208).
2. A plastics pellet screening apparatus according to claim 1, wherein: The sieve box (1) further comprises a rotating groove (103) opened in the side of the sieve box (1), and the rotating cylinder (201) is rotatably connected to the sieve box (1) by being embedded in the rotating groove (103).
3. A plastic particle screening device according to claim 1, wherein: The screening part (2) further comprises a rotating frame (203) rotatably arranged at the side of the rotating cylinder (201), and the rotating frame (203) abuts against the filter screen (208).
4. The plastic particle screening device of claim 1, wherein: The screening part (2) further comprises a fixing buckle (204) arranged at the side of the rotating cylinder (201), a clasp (205) slidingly arranged in the fixing buckle (204), and a spring (206) arranged at one end of the clasp (205), wherein the spring (206) is located between the clasp (205) and the fixing buckle (204).
5. A plastics particle screening apparatus according to claim 4, wherein: The screening part (2) further comprises a clamping groove (207) opened in the side of the rotating frame (203), and the clamping groove (207) is in clamping connection with the clasp (205).
6. The plastic particle screening device of claim 1, wherein: The screw thread of the screw blade (104) is mirror-symmetrically arranged along the center of the screw blade (104), and the screw blade (104) is directly below the discharge port (102) opened in the bottom of the sieve box (1).
7. The plastic particle screening device of claim 1, wherein: The screening part (2) further comprises a plurality of clamping teeth (209) arranged at the side of the rotating cylinder (201), a motor b (210) arranged at the top of the sieve box (1), and a gear (211) arranged at the output end of the motor b (210), wherein the gear (211) is in meshing connection with the clamping teeth (209).