Screening device for biodegradable plastic preparation
By designing a biodegradable plastic screening device including a main rotor, a screening cylinder and an internal screening network, the problem of particle screening in the preparation of biodegradable plastics is solved, and efficient screening, anti-blocking and baffle extension functions are realized.
Patent Information
- Application Number
- CN202421416079.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-20
AI Technical Summary
During the preparation of biodegradable plastics, it is difficult to effectively screen out particles that are too large or too small, which affects the factory quality.
A screening device including a main rotor, a rotating motor, a linkage belt, a main outer ring, a screening cylinder, an auxiliary outer ring, an auxiliary rotor, an inner screening net, a telescopic spring and a fixed screw are designed. By rotating the motor, the main rotor and the main outer ring are rotated, and the screening cylinder and the inner screening net are used in conjunction to realize the screening of particles.
This device not only improves the screening efficiency and realizes effective screening of particles, but also has anti-blocking and baffle extension functions, improving the performance of the overall equipment.
Smart Images

Figure CN222645073U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of screening devices, in particular to a screening device made of biodegradable plastics. Background Art
[0002] Biodegradable plastics, also known as biodegradable plastics, refer to plastics that are degraded by the action of microorganisms existing in nature under natural conditions such as soil and / or sand, and / or specific conditions such as composting conditions or anaerobic digestion conditions or aqueous culture medium, and are ultimately completely degraded into carbon dioxide (CO2) and / or methane (CH4), water (H2O) and mineralized inorganic salts of the elements they contain, as well as new biomass.
[0003] In the process of preparing and producing biodegradable plastics, there will be oversized or undersized particles produced during the granulation process. In order to ensure the quality of biodegradable plastic particles before leaving the factory, these particles need to be screened out. Therefore, we propose a screening device for preparing biodegradable plastics to improve the above problems. Utility Model Content
[0004] The purpose of the utility model is to provide a screening device made of biodegradable plastics to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a screening device made of biodegradable plastic, comprising a fixed bracket, a main rotating wheel is installed on the top of the fixed bracket, a rotating motor is installed on one side of the main rotating wheel, a linkage belt is sleeved on the outside of one side of the rotating motor, a main outer ring is installed on the top of the main rotating wheel, a screening cylinder is installed inside the main outer ring, an auxiliary outer ring is sleeved on the outside of one side of the screening cylinder, an auxiliary rotating wheel is clamped inside the auxiliary outer ring, an inner screening net is installed inside the screening cylinder, a telescopic spring is connected to the outside of the inner screening net, and a fixing screw is arranged on the outside of the screening cylinder.
[0006] Preferably, the main rotor supports the screening drum through the main outer ring, and the rotating motor drives the main rotor to rotate, thereby driving the main rotor to rotate inside the main outer ring, so that the screening drum rotates at the top of the fixed bracket through the external auxiliary outer ring and the main outer ring and the auxiliary rotor and the rotating motor.
[0007] Preferably, the inner screening net runs through the interior of the screening cylinder, the inner screening net is connected to the screening cylinder via a telescopic spring and a fixed screw, and a plurality of groups of inner screening nets are arranged inside the screening cylinder.
[0008] Preferably, a support column is connected to the top of one side of the fixed bracket, a feed port is installed at the top of the support column, a No. 2 discharge port is installed below the fixed bracket, a No. 3 discharge port is arranged below the No. 2 discharge port, and a No. 1 discharge port is installed on the other side of the fixed bracket.
[0009] Preferably, a mounting support rod is installed at the rear end of the fixing bracket, an anti-blocking brush is installed on one side of the top end of the mounting support rod, and a No. 1 fixing knob is installed at the front end of the mounting support rod.
[0010] Preferably, the anti-blocking brush is connected to the mounting support rod via a No. 1 fixing knob, and the No. 1 fixing knob passes through the inside of the mounting support rod to fix the anti-blocking brush so that the anti-blocking brush contacts the inner screening net inside the screening cylinder.
[0011] Preferably, a mounting base is installed at the top of the fixed bracket, a protective baffle is inserted at the top of the mounting base, a sliding groove is opened inside the protective baffle, a No. 2 fixing knob is inserted at the front end of the sliding groove, and an auxiliary baffle is connected to the rear end of the No. 2 fixing knob.
[0012] Preferably, the No. 2 fixed knob is inserted into the sliding groove to connect with the auxiliary baffle, and the sliding of the No. 2 fixed knob in the sliding groove drives the auxiliary baffle to move at the rear end of the protective baffle, and multiple groups of the sliding groove and the No. 2 fixed knob are provided.
[0013] Compared with the prior art, the utility model has the following beneficial effects: the screening device made of biodegradable plastic not only realizes the screening enhancement function and the anti-blocking function, but also realizes the baffle extension function;
[0014] (1) By setting up the screening enhancement structure, the utility model is beneficial in that: when in use, the main rotating wheel at the top of the fixed bracket is driven to rotate by the rotating motor, and the screening drum and the auxiliary outer ring on the other side of the screening drum and the main outer ring are driven to rotate by the rotation of the main rotating wheel and the main outer ring, and the biodegradable plastic particles are placed inside the inner screening net inside the screening drum. When the screening drum rotates, the inner screening net and the telescopic spring inside the screening drum are telescoped inside, accelerating the shaking of the biodegradable plastic particles inside the inner screening net, accelerating the screening of the biodegradable plastic particles, thereby realizing the screening enhancement function;
[0015] (2) By setting up the anti-blocking structure, the utility model is beneficial in that: when in use, the anti-blocking brush at the top of the mounting support rod is rotated to make the anti-blocking brush contact the inner screening net at the rear end of the screening cylinder, and then the anti-blocking brush inside the mounting support rod is fixed by rotating the No. 1 fixing knob and inserting the side of the mounting support rod. When the screening cylinder rotates with the inner screening net, the anti-blocking brush contacts the outside of the inner screening net, and the particles stuck in the mesh holes of the inner screening net are poked into the inner screening net, thereby realizing the anti-blocking function;
[0016] (3) By setting up a baffle extension structure, the utility model has the following advantages: when in use, the protective baffle can be installed at the front and rear ends of the screening drum through the mounting base, and then the No. 2 fixing knob can be slid inside the sliding groove inside the protective baffle to drive the auxiliary baffle at the rear end of the protective baffle to move toward one side of the protective baffle, and the No. 2 fixing knob can be turned to fix the auxiliary baffle at the rear end of the protective baffle, thereby realizing the baffle extension function. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a front view structural schematic diagram of the utility model;
[0018] Figure 2 It is a side view structural schematic diagram of the utility model;
[0019] Figure 3 It is a side view enlarged structural schematic diagram of the screening cylinder and the inner screening net of the utility model;
[0020] Figure 4 It is a schematic diagram of the front view structure of the protective baffle of the utility model.
[0021] In the figure: 1. Discharge port No. 1; 2. Auxiliary outer ring; 3. Anti-blocking brush; 4. Screening cylinder; 5. Main outer ring; 6. Feed port; 7. Support column; 8. Rotating motor; 9. Linkage belt; 10. Main runner; 11. Protective baffle; 12. Auxiliary runner; 13. Discharge port No. 2; 14. Discharge port No. 3; 15. Fixed bracket; 16. Inner screening net; 17. Fixed knob No. 1; 18. Mounting support rod; 19. Fixed screw; 20. Telescopic spring; 21. Auxiliary baffle; 22. Mounting base; 23. Sliding groove; 24. Fixed knob No. 2. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] Example 1: Please refer to Figure 1-4A screening device made of biodegradable plastics, comprising a fixed bracket 15, a main rotating wheel 10 is installed on the top of the fixed bracket 15, a rotating motor 8 is installed on one side of the main rotating wheel 10, a linkage belt 9 is sleeved on one side of the rotating motor 8, a main outer ring 5 is installed on the top of the main rotating wheel 10, a screening drum 4 is installed inside the main outer ring 5, an auxiliary outer ring 2 is sleeved on one side of the screening drum 4, an auxiliary rotating wheel 12 is clamped inside the auxiliary outer ring 2, an inner screening net 16 is installed inside the screening drum 4, a telescopic spring 20 is connected to the outside of the inner screening net 16, and a fixing screw 19 is arranged outside the screening drum 4;
[0024] The main rotor 10 supports the screening drum 4 through the main outer ring 5, and the rotating motor 8 drives the main rotor 10 to rotate, so as to drive the main rotor 10 to rotate inside the main outer ring 5, so that the screening drum 4 rotates at the top of the fixed bracket 15 through the external auxiliary outer ring 2 and the main outer ring 5 and the auxiliary rotor 12 and the rotating motor 8, and the inner screening net 16 runs through the inside of the screening drum 4, and the inner screening net 16 is connected to the screening drum 4 through the telescopic spring 20 and the fixed screw 19, and multiple groups of inner screening nets 16 are arranged inside the screening drum 4;
[0025] Specifically, Figure 2 and Figure 3 As shown, by setting up the screening enhancement structure, when in use, the main rotating wheel 10 at the top of the fixed bracket 15 is driven to rotate by the rotating motor 8, and the screening drum 4 and the auxiliary outer ring 2 on the other side of the screening drum 4 and the main outer ring 5 are driven to rotate by the main rotating wheel 10 and the main outer ring 5, and the biodegradable plastic particles are placed in the inner screening net 16 inside the screening drum 4. When the screening drum 4 rotates, the inner screening net 16 and the telescopic spring 20 inside the screening drum 4 are telescoped inside, which accelerates the shaking of the biodegradable plastic particles inside the inner screening net 16 and accelerates the screening of the biodegradable plastic particles, thereby realizing the screening enhancement function.
[0026] Embodiment 2: A mounting support rod 18 is installed at the rear end of the fixing bracket 15, an anti-blocking brush 3 is installed at one side of the top end of the mounting support rod 18, and a No. 1 fixing knob 17 is installed at the front end of the mounting support rod 18;
[0027] The anti-blocking brush 3 is connected to the mounting support rod 18 through a No. 1 fixing knob 17. The No. 1 fixing knob 17 penetrates the interior of the mounting support rod 18 to fix the anti-blocking brush 3, so that the anti-blocking brush 3 contacts the inner screening net 16 inside the screening cylinder 4.
[0028] Specifically, Figure 1 and Figure 2As shown, by setting up the anti-blocking structure, when in use, the anti-blocking brush 3 at the top of the mounting support rod 18 is rotated to make the anti-blocking brush 3 contact the inner screening net 16 at the rear end of the screening cylinder 4, and then the anti-blocking brush 3 inside the mounting support rod 18 is fixed by rotating the No. 1 fixing knob 17 and inserting one side of the mounting support rod 18. When the screening cylinder 4 rotates carrying the inner screening net 16, the anti-blocking brush 3 contacts the outside of the inner screening net 16, and the particles stuck in the mesh holes of the inner screening net 16 are poked into the inner screening net 16, thereby realizing the anti-blocking function.
[0029] Embodiment 3: A mounting base 22 is mounted on the top of the fixing bracket 15, a protective baffle 11 is inserted on the top of the mounting base 22, a sliding groove 23 is provided inside the protective baffle 11, a second fixing knob 24 is inserted at the front end of the sliding groove 23, and an auxiliary baffle 21 is connected to the rear end of the second fixing knob 24;
[0030] The second fixing knob 24 is inserted into the sliding groove 23 to connect with the auxiliary baffle 21. The sliding of the second fixing knob 24 in the sliding groove 23 drives the auxiliary baffle 21 to move at the rear end of the protective baffle 11. There are multiple sets of sliding grooves 23 and second fixing knobs 24.
[0031] Specifically, Figure 1 and Figure 4 As shown, by setting up a baffle extension structure, the protective baffle 11 can be installed at the front and rear ends of the screening drum 4 through the mounting base 22 when in use, and then the No. 2 fixing knob 24 can be slid inside the sliding groove 23 inside the protective baffle 11 to drive the auxiliary baffle 21 at the rear end of the protective baffle 11 to move toward one side of the protective baffle 11, and the No. 2 fixing knob 24 can be turned to fix the auxiliary baffle 21 at the rear end of the protective baffle 11, thereby realizing the baffle extension function.
[0032] Working principle: When in use, the utility model drives the main rotating wheel 10 at the top of the fixed bracket 15 to rotate by rotating the motor 8, and drives the screening drum 4 and the auxiliary outer ring 2 and the main outer ring 5 on the other side of the screening drum 4 to rotate through the rotation of the main rotating wheel 10 and the main outer ring 5, and installs the protective baffle 11 at the front and rear ends of the screening drum 4 through the mounting base 22, and then slides the No. 2 fixed knob 24 in the sliding groove 23 inside the protective baffle 11 to drive the auxiliary baffle 21 at the rear end of the protective baffle 11 to move to one side of the protective baffle 11, and rotates the No. 2 fixed knob 24 to fix the auxiliary baffle 21 at the rear end of the protective baffle 11, and then the biodegradable plastic particles enter the interior of the screening drum 4 through the feed port 6, and the biodegradable plastic particles collide with the inner screening net 16 inside the screening drum 4, driving the inner screening net 16 and the telescopic spring 20 are telescoped inside the screening cylinder 4, so that the inner screening net 16 and the telescopic spring 20 are telescoped inside the screening cylinder 4, and the biodegradable plastic particles are rotated and screened by the inner screening net 16 inside the screening cylinder 4 and discharged from the No. 1 discharge port 1 on the side of the fixed bracket 15 and the No. 2 discharge port 13 and the No. 3 discharge port 14 below the fixed bracket 15 respectively, by rotating the anti-blocking brush 3 at the top of the mounting support rod 18 to make the anti-blocking brush 3 contact with the inner screening net 16 at the rear end of the screening cylinder 4, and then by rotating the No. 1 fixing knob 17 to insert one side of the mounting support rod 18 to fix the anti-blocking brush 3 inside the mounting support rod 18, when the screening cylinder 4 carries the inner screening net 16 to rotate, the anti-blocking brush 3 contacts the outside of the inner screening net 16, and the particles connected to the mesh holes of the inner screening net 16 are poked into the inner screening net 16.
[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A screening device made of biodegradable plastics, comprising a fixed support (15), characterized in that: A main rotating wheel (10) is installed at the top of the fixed bracket (15), a rotating motor (8) is installed on one side of the main rotating wheel (10), a linkage belt (9) is sleeved on one side of the rotating motor (8), a main outer ring (5) is installed at the top of the main rotating wheel (10), a screening drum (4) is installed inside the main outer ring (5), an auxiliary outer ring (2) is sleeved on one side of the screening drum (4), an auxiliary rotating wheel (12) is clamped inside the auxiliary outer ring (2), an inner screening net (16) is installed inside the screening drum (4), a telescopic spring (20) is connected to the outside of the inner screening net (16), and a fixing screw (19) is arranged outside the screening drum (4).
2. A screening device for biodegradable plastics according to claim 1, characterized in that: The main rotating wheel (10) supports the screening drum (4) through the main outer ring (5), and the rotating motor (8) drives the main rotating wheel (10) to rotate, thereby driving the main rotating wheel (10) to rotate inside the main outer ring (5), so that the screening drum (4) rotates at the top of the fixed bracket (15) through the external auxiliary outer ring (2) and the main outer ring (5) and the auxiliary rotating wheel (12) and the rotating motor (8).
3. A screening device for biodegradable plastics according to claim 1, characterized in that: The inner screening net (16) penetrates the interior of the screening cylinder (4); the inner screening net (16) is connected to the screening cylinder (4) via a telescopic spring (20) and a fixed screw (19); and a plurality of groups of inner screening nets (16) are arranged inside the screening cylinder (4).
4. The screening device for biodegradable plastics according to claim 1, characterized in that: A support column (7) is connected to the top of one side of the fixed bracket (15), a feed port (6) is installed at the top of the support column (7), a No. 2 discharge port (13) is installed below the fixed bracket (15), a No. 3 discharge port (14) is arranged below the No. 2 discharge port (13), and a No. 1 discharge port (1) is installed on the other side of the fixed bracket (15).
5. The screening device for biodegradable plastics according to claim 1, characterized in that: A mounting support rod (18) is installed at the rear end of the fixing bracket (15), an anti-blocking brush (3) is installed on one side of the top end of the mounting support rod (18), and a No. 1 fixing knob (17) is installed at the front end of the mounting support rod (18).
6. A screening device for biodegradable plastics according to claim 5, characterized in that: The anti-blocking brush (3) is connected to the mounting support rod (18) via a No. 1 fixing knob (17), and the No. 1 fixing knob (17) penetrates the interior of the mounting support rod (18) to fix the anti-blocking brush (3), so that the anti-blocking brush (3) is in contact with the inner screening net (16) inside the screening cylinder (4).
7. The screening device for biodegradable plastics according to claim 1, characterized in that: A mounting base (22) is installed at the top of the fixing bracket (15), a protective baffle (11) is inserted at the top of the mounting base (22), a sliding groove (23) is provided inside the protective baffle (11), a second fixing knob (24) is inserted at the front end of the sliding groove (23), and the rear end of the second fixing knob (24) is connected to the auxiliary baffle (21).
8. A screening device for biodegradable plastics according to claim 7, characterized in that: The second fixed knob (24) is inserted into the interior of the sliding groove (23) and connected to the auxiliary baffle (21); the second fixed knob (24) slides inside the sliding groove (23) to drive the auxiliary baffle (21) to move at the rear end of the protective baffle (11); and the sliding groove (23) and the second fixed knob (24) are provided in multiple groups.