Plastic particle screening device for plastic production
By designing a vibrating screen plate structure that combines an eccentric disc and a spring, the problems of low efficiency and difficult cleaning in existing plastic particle screening devices have been solved, achieving efficient and precise screening results, extending the service life of the screen plate, and reducing production costs.
Patent Information
- Application Number
- CN202520344668.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-01
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-01
AI Technical Summary
Existing plastic granule screening devices are inefficient, inaccurate in screening, and difficult to clean, resulting in substandard products being mixed into qualified batches, which affects the quality of plastic products.
Design a plastic granule screening device for plastic production. The device uses a combination of eccentric disc and spring to vibrate the screen plate, thereby achieving orderly shaking of the screen plate, improving screening efficiency, and the screen plate can be easily cleaned through a quick disassembly structure.
It improves the screening efficiency and accuracy of plastic granules, ensures unobstructed screening channels, extends the service life of the screen plate, and reduces production costs.
Smart Images

Figure CN223849697U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of plastic production equipment especially relates to a plastic particle screening device for plastic production. BACKGROUND
[0002] As the basic raw material for plastic product production, the quality of plastic particles directly affects the performance and quality of the final plastic product. In the plastic production process, due to the complexity of the granulation process and the operating characteristics of the equipment, the output plastic particles differ in particle size, shape and texture, making it difficult to ensure that each batch of plastic particles is uniform. Traditional plastic particle screening mainly relies on manual screening, and workers need to use experience and simple tools such as screens to sort particles one by one. This method is extremely inefficient, and manual screening cannot guarantee the accuracy and consistency of screening, resulting in a large number of unqualified products mixed into qualified batches, affecting the quality of subsequent plastic products. In view of the above problems, it is urgent to develop a plastic particle screening device that is efficient, accurate, low-damage, and can meet the needs of different particle sizes. This is of great significance for improving the quality of plastic products, reducing production costs, and enhancing the market competitiveness of plastic production enterprises.
[0003] At present, plastic particles are mostly screened by filter plates with different pore sizes. However, the current device rarely has a shaking device, resulting in poor efficiency and effect of the filter plate. In addition, the pore size of the filter plate may be blocked after a long time of screening. The current filter plate is mostly fixed on the screening box, making it difficult to clean.
[0004] To solve the technical problems of poor screening effect of the filter plate and difficulty in cleaning the filter plate, the present application proposes a plastic particle screening device for plastic production. UTILITY MODEL CONTENT
[0005] The utility model aims at solving the shortcomings in the prior art and provides a plastic particle screening device for plastic production. The screening box can be shaken in order, the filter plate can be vibrated, the screening efficiency and quality of plastic particles can be improved, the filter plate can be quickly disassembled for cleaning, and the screening effect of the filter plate is enhanced.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] A plastic particle screening device for plastic production includes a bottom plate, a screening box connected to the top end of the bottom plate through a sliding assembly, fixed plates fixedly connected to the left and right ends of the bottom plate, a motor fixedly connected to the right end of the right fixed plate, a cam connected to the left end of the motor through a connecting assembly, and the outer wall of the cam is in contact with the bottom end of the screening box.
[0008] The first sieve plate is inserted on the outer wall of the upper side of the inner wall of the screening box, the second sieve plate is inserted on the lower side of the inner wall of the screening box, the splicing frame is fixedly connected to the right end of the screening box, the rectangular plate is connected to the inner wall of the splicing frame through the moving assembly, and the second spring is fixedly connected to the opposite end of the rectangular plate.
[0009] Further, the sliding assembly comprises a supporting rod fixedly connected to the top end of the bottom plate, and a sliding block slidingly connected to the inner wall of the supporting rod.
[0010] Further, the first spring is fixedly connected to the bottom end of the sliding block.
[0011] Further, the connecting assembly comprises a rotating rod fixedly connected to the driving end of the motor, and the rotating rod is rotatably connected to the inner wall of the fixed plate at the left and right ends of the rotating rod.
[0012] Further, the first sieve plate is larger than the second sieve plate in hole diameter, and the connecting plate is fixedly connected to the right end of the first sieve plate and the right end of the second sieve plate.
[0013] Further, the moving assembly comprises an inserting rod slidingly connected to the upper and lower ends of the splicing frame, and the opposite end of the rectangular plate is fixedly connected to the outer wall of the inserting rod.
[0014] Further, the screening box is provided with a feeding hopper fixedly connected to the top end of the screening box and a plurality of discharging doors arranged on the left end of the screening box.
[0015] The utility model has the advantages of the following beneficial effects:
[0016] 1、The utility model discloses, through the action vibration sieve plate of deflection disc and first spring, and the particle can be moved position and be stirred constantly by shaking sieve plate, avoid the particle long -time blockage sieve hole, guarantee the smooth of screening passage, accelerate the speed of screening to improve screening efficiency and precision.
[0017] 2、The utility model discloses, through pressing rectangular plate and drive inserting rod movement, can dismantle fast to the sieve plate of two, carries out comprehensive, thorough cleaning, removes dust and other impurities, can repair sieve hole or replace damaged part to the performance of filter plate is effectively maintained, prolongs its service life. DRAWINGS
[0018] Fig. 1 A three-dimensional view of a plastic particle screening device for plastic production is provided.
[0019] Fig. 2The utility model provides a plastic particle divides and screens the device for plastic production left view is provided for the utility model,
[0020] Fig. 3 The utility model provides a plastic particle divides and screens the device for plastic production support pole structure drawing is provided for the utility model,
[0021] Fig. 4 The utility model provides a plastic particle divides and screens the device for plastic production sieve box structure drawing is provided for the utility model,
[0022] Fig. 5 The utility model provides a plastic particle divides and screens the device for plastic production splicing frame structure drawing is provided for the utility model,
[0023] Fig. 6 The utility model provides a plastic particle divides and screens the device for plastic production rectangular plate structure drawing is provided for the utility model.
[0024] Legend:
[0025] 1, bottom plate, 2, support rod, 3, sliding block, 4, sieve box, 5, first spring, 6, feed hopper, 7, motor, 8, rotating rod, 9, cam, 10, discharge door, 11, first sieve plate, 12, second sieve plate, 13, splicing frame, 14, plug rod, 15, rectangular plate, 16, second spring, 17, fixed plate, 18, connecting plate. Specific implementation
[0026] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and 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 making creative efforts belong to the range of protection of the utility model.
[0027] Reference Figs. 1-3 An embodiment provided by the utility model: a plastic particle divides and screens the device for plastic production, including bottom plate 1, bottom plate 1 top fixedly connected with support rod 2, support rod 2 inner wall slidingly connected with sliding block 3, sieve box 4 lower side outer wall is fixedly connected in sliding block 3 outer wall, bottom plate 1 left and right two ends are all fixedly connected with fixed plate 17, right side fixed plate 17 right end fixedly connected with motor 7, motor 7 drive end fixedly connected with rotating rod 8, rotating rod 8 left and right two ends are all rotationally connected in fixed plate 17 inner wall, cam 9 inner wall is fixedly connected in rotating rod 8 outer wall, cam 9 outer wall and sieve box 4 bottom end contact, sliding block 3 bottom end are all fixedly connected with first spring 5, first spring 5 bottom end are all fixedly connected in bottom plate 1 top, first sieve plate 11 aperture is greater than second sieve plate 12 aperture, first sieve plate 11 right end and second sieve plate 12 right end are all fixedly connected with connecting plate 18.
[0028] Specifically, the first spring 5 has higher strength and can stably support the weight of the screening box 4, the top end of the supporting rod 2 is provided with a round rod to prevent the sliding block 3 from being separated from the top of the supporting rod 2, the fixing plate 17 provides rotating support for the rotating rod 8, the upper end of the feeding hopper 6 is open, and the plastic particles are added into the screening box 4 through the feeding hopper 6.
[0029] With reference to Figs. 4-6 , the first sieve plate 11 is inserted on the upper side of the inner wall of the screening box 4, the second sieve plate 12 is inserted on the lower side of the inner wall of the screening box 4, the splicing frame 13 is fixedly connected to the right end of the screening box 4, the insertion rods 14 are slidingly connected to the upper and lower ends of the splicing frame 13, the rectangular plates 15 are fixedly connected to the outer walls of the insertion rods 14 at opposite ends, the second springs 16 are fixedly connected to the opposite ends of the rectangular plates 15, the feeding hopper 6 is fixedly connected to the top end of the screening box 4, and the discharge doors 10 are arranged on the left end of the screening box 4.
[0030] Specifically, the screening box 4 is slightly inclined to one side of the discharge door 10, the plastic can be taken out more quickly when the discharge door 10 is opened, the circular grooves are formed in the connecting plates 18, the insertion rods 14 are inserted into the circular grooves, after the first sieve plate 11 and the second sieve plate 12 are cleaned, the rectangular plates 15 are pressed to compress the second springs 16 and drive the insertion rods 14 to move, the first sieve plate 11 and the second sieve plate 12 are inserted into the screening box 4, the rectangular plates 15 are released, the second springs 16 are rebounded to the insertion rods 14, and the first sieve plate 11 and the second sieve plate 12 are positioned in the connecting plates 18.
[0031] Working principle: the plastic is added into the screening box 4 through the feeding hopper 6, the rotating rod 8 is rotated by starting the motor 7, the rotating rod 8 drives the cam 9 to rotate, the cam 9 drives the screening box 4 to move, the sliding block 3 on the screening box 4 repeatedly compresses the first spring 5, the first spring 5 in turn provides elastic force to the sliding block 3 to make it slide on the supporting rod 2, the screening box 4 can vibrate, the first sieve plate 11 and the second sieve plate 12 on the screening box 4 are vibrated, the plastic particles are screened, after the screening is completed, the discharge door 10 is opened, the plastic particles are taken out, the rectangular plates 15 are pressed to compress the second springs 16, the insertion rods 14 are moved, the insertion rods 14 are separated from the circular grooves of the connecting plates 18 on the first sieve plate 11 and the second sieve plate 12, the first sieve plate 11 and the second sieve plate 12 are taken out from the screening box 4, and the first sieve plate 11 and the second sieve plate 12 are cleaned.
[0032] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A plastic particle screening device for plastic production, characterized by, Include: The bottom plate (1) top end is connected with the screening box (4) through the sliding assembly, the bottom plate (1) left and right two ends are fixedly connected with the fixed plate (17), the right side The fixed plate (17) right end is fixedly connected with the motor (7), the motor (7) left end is connected with the cam (9) through the connecting assembly, the cam (9) outer wall is in contact with the bottom end of the screening box (4); The first sieve plate (11) is inserted into the outer wall of the screening box (4) inner wall on the upside, the second sieve plate (12) is inserted into the inner wall of the screening box (4) on the downside, the screening box (4) right end is fixedly connected with the splicing frame (13), the splicing frame (13) inner wall is connected with the rectangular plate (15) through the moving assembly, the rectangular plate (15) opposite end is fixedly connected with the second spring (16).
2. The plastic particle screening device for plastic production according to claim 1, characterized in that: The sliding assembly includes a support rod (2) fixedly connected to the top end of the bottom plate (1), the support rod (2) inner wall is slidably connected with the sliding block (3), the screening box (4) lower side outer wall is fixedly connected to the outer wall of the sliding block (3).
3. The plastic particle screening device for plastic production according to claim 2, characterized in that: The bottom end of the sliding block (3) is fixedly connected with the first spring (5), and the bottom end of the first spring (5) is fixedly connected to the top end of the bottom plate (1).
4. The plastic particle screening device for plastic production according to claim 1, characterized in that: The connecting assembly includes a rotating rod (8) fixedly connected to the driving end of the motor (7), the rotating rod (8) left and right two ends are rotatably connected to the inner wall of the fixed plate (17), and the cam (9) inner wall is fixedly connected to the outer wall of the rotating rod (8).
5. The plastic particle screening device for plastic production according to claim 1, characterized in that: The first sieve plate (11) aperture is larger than the second sieve plate (12) aperture, and the right end of the first sieve plate (11) and the right end of the second sieve plate (12) are fixedly connected with the connecting plate (18).
6. The plastic particle screening device for plastic production according to claim 1, characterized in that: The moving assembly includes an insertion rod (14) slidably connected to the upper and lower ends of the splicing frame (13), and the rectangular plate (15) opposite end is fixedly connected to the outer wall of the insertion rod (14).
7. The plastic particle screening device for plastic production according to claim 1, characterized in that: The top end of the screening box (4) is fixedly connected with the feeding hopper (6), and the left end of the screening box (4) is provided with a plurality of discharge doors (10).