Feeding device for plastic processing
By introducing a screening drum and an intermittent feeding mechanism into the feeding device, the problem of insufficient removal of material impurities is solved, achieving efficient screening and stable supply of materials, and improving the production efficiency and finished product quality of plastic processing.
Patent Information
- Application Number
- CN202520253580.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-18
AI Technical Summary
Existing feeding devices for plastic processing are inadequate in terms of material screening and purity control, failing to effectively remove impurities, leading to equipment blockage, wear and tear, and unstable finished product quality.
A feeding device including a screening mechanism and an intermittent feeding mechanism was designed. The material is screened by a screening drum driven by a motor. The screening drum is equipped with screening holes of different diameters to separate oversized or irregular materials. The material supply is controlled by intermittent feeding to ensure the purity and stable supply of materials.
It achieves efficient screening and stable supply of materials, reduces equipment blockage and malfunctions, and improves finished product quality and production efficiency.
Smart Images
Figure CN223877404U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of plastics processing, especially to a feeding device for plastics processing. BACKGROUND
[0002] In the injection molding production process, plastic particles or powder need to be continuously and stably fed from the storage bin to the feed inlet of the injection molding machine. The feeding device for plastics processing can accurately deliver plastic particles to the hopper of the injection molding machine, ensuring uninterrupted production process and improving production efficiency. The feeding device for plastics processing is widely used in various plastics processing fields such as injection molding, extrusion, pelletizing, recycling and regeneration processes. Its main function is to stably and accurately feed raw materials into processing equipment to ensure smooth production. With the improvement of automation and intelligence level, these feeding devices are gradually developing towards high efficiency, precision and flexibility, greatly improving production efficiency and product quality.
[0003] The structure of a feeding device for plastics processing includes a discharging box, a hopper, a screening drum, a collection box, etc. The working principle of this feeding device for plastics processing is to separate oversized or irregular material particles through screening to ensure that the material entering the plastics processing equipment is more pure. Then, the qualified material is fed into the downstream equipment through precise intermittent feeding control to ensure efficient operation of the production line and accurate supply of material. It integrates screening, vibration, quantitative feeding and intelligent control system, etc. and is suitable for plastics processing fields that require accurate material management and efficient production.
[0004] In the prior art, some feeding devices for plastics processing use simple feeding methods, such as vibrating conveying or spiral conveying, to feed plastic particles or raw materials into processing equipment. These devices can meet the basic material conveying needs, but have some shortcomings. In terms of material screening and purity control, they lack screening function and cannot effectively remove impurities in plastic particles, oversized or irregular material particles. If the material without screening enters the processing equipment, it will cause blockage, wear or failure of the equipment, increasing the maintenance cost of the equipment and the downtime of the production line. At the same time, due to the presence of irregular particles, the precision and effect of plastics processing are affected, resulting in unstable product quality. Therefore, a feeding device for plastics processing is proposed to solve the above problems. SUMMARY
[0005] The feeding device for plastics processing improves the problem that some devices in the prior art do not have a screening mechanism before feeding.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] The utility model provides a kind of loading device for plastic processing, including bottom plate, the top of the bottom plate is fixedly connected with support table, the top of the support table is fixedly connected with discharging box, the top of the discharging box is fixedly connected with intermittent discharging mechanism, the both sides of the discharging box are fixedly connected with support plate, the outside of the support plate is fixedly connected with screening mechanism;
[0008] The screening mechanism includes a fixed plate, the inner side of the fixed plate is fixedly connected to the outer side of the support plate, the top of the fixed plate is fixedly connected with a drive assembly, the inner side of the support plate is fixedly connected with a screening drum, the inside of the screening drum is provided with a screening hole one, the inside of the screening hole one is provided with a screening hole two, the side away from the screening hole one of the screening drum is fixedly connected with a feed inlet, the both ends of the screening drum are fixedly connected with baffle plates, and the top of the support table is fixedly connected with a collection box.
[0009] As a further description of the above technical solution:
[0010] The drive assembly includes a second motor and a second output shaft, the bottom of the second motor is fixedly connected to the top of the fixed plate, and the rear side of the second output shaft is fixedly connected to the front side of the second motor.
[0011] As a further description of the above technical solution:
[0012] The second output shaft is externally rotatable, and the screening drum is externally fixedly connected with a transmission assembly.
[0013] As a further description of the above technical solution:
[0014] The transmission assembly includes a gear and a gear ring, the gear is rotatably connected inside the second output shaft, the gear ring is fixedly connected inside the screening drum, and the gear and the gear ring are meshingly connected.
[0015] As a further description of the above technical solution:
[0016] The intermittent discharging mechanism includes a hopper, the bottom of the hopper is fixedly connected to the top of the discharging box, the discharging box is fixedly connected with a rotating assembly on the side away from the collection box, the discharging box is fixedly connected with a plurality of inclined plates inside, and the inside of the support table is provided with a feeding port.
[0017] As a further description of the above technical solution:
[0018] The rotating assembly includes a first motor, a first output shaft and a rotating plate, the front side of the first motor is fixedly connected to the rear side of the discharging box, the rear side of the first output shaft is fixedly connected to the front side of the first motor, and the rotating plate is rotatably connected inside the first output shaft.
[0019] As a further description of the above technical solutions:
[0020] The bottom of the discharging box is fixedly connected to the top of the feeding port, and the bottom of the screening roller is rotatably connected to the top of the hopper.
[0021] As a further description of the above technical solutions:
[0022] The outside of the feeding port is fixedly connected to the inside of the baffle, and the left side of the discharging box is fixedly connected to the right side of the collecting box.
[0023] The utility model has the advantages of the following beneficial effects:
[0024] 1、The utility model discloses, motor two is driven gear and gear ring engagement with output shaft two output power and drive screening roller to material screening with the motor, and the material that will be too big or irregular is separated, and the material that enters the plastic processing equipment is more pure, and the material is classified according to the specification, and the material particle size that enters the processing flow is consistent, and it is helpful to the processing equipment more stably runs.
[0025] 2、The utility model discloses, motor one is driven rotating plate in the discharging box with output shaft two, and the discharging box is equipped with multiple inclined plates, and the mechanism that can intermittent discharging can be according to control each time feeding speed even, to guarantee the material supply in the plastic processing process stable, can avoid the equipment overload or pipeline blockage due to material accumulation too much, and the mechanical failure due to material backlog is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 A perspective view of the feeding device for plastic processing is provided for the utility model;
[0027] Figure 2 A structural schematic view of the discharging box of the feeding device for plastic processing is provided for the utility model;
[0028] Figure 3 For Figure 2 An enlarged view of position A in Fig.
[0029] Figure 4 A structural schematic view of the screening roller of the feeding device for plastic processing is provided for the utility model;
[0030] Figure 5 For Figure 4 An enlarged view of position B in Fig.
[0031] LEGEND:
[0032] 1, bottom plate; 2, support table; 3, blanking box; 4, hopper; 5, motor one; 6, output shaft one; 7, rotating plate; 8, inclined plate; 9, feeding port; 10, support plate; 11, fixed plate; 12, motor two; 13, output shaft two; 14, gear; 15, screening drum; 16, gear ring; 17, feeding port; 18, screening hole one; 19, screening hole two; 20, baffle; 21, collection box. DETAILED DESCRIPTION
[0033] The technical solutions 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0034] Referring to Figure 1 , Figure 2 , Figure 4 An embodiment provided by the utility model: a feeding device for plastic processing, comprising a bottom plate 1 as the basis of the device, supporting other structural components, the top of the bottom plate 1 is fixedly connected with a support table 2, which is fixed on the top of the bottom plate 1 to provide support for the blanking box 3, the top of the support table 2 is fixedly connected with the blanking box 3, which is the core component of the whole feeding device, and the transmission of materials is carried out in it, the top of the blanking box 3 is fixedly connected with an intermittent blanking mechanism, both sides of the blanking box 3 are fixedly connected with support plates 10, the outer side of the support plate 10 is fixedly connected with a screening mechanism, which separates oversized or irregular material particles, ensuring that the materials entering the plastic processing equipment are more pure;
[0035] The screening mechanism comprises a fixed plate 11, which fixes the support structure on both sides of the blanking box 3, stably supports the screening mechanism, the inner side of the fixed plate 11 is fixedly connected to the outer side of the support plate 10, which is used to support the motor two 12, the top of the fixed plate 11 is fixedly connected with a driving assembly, the driving assembly comprises the motor two 12 and the output shaft two 13, the bottom of the motor two 12 is fixedly connected to the top of the fixed plate 11, the motor two 12 outputs power through the output shaft two 13, the rear side of the output shaft two 13 is fixedly connected to the front side of the motor two 12, the power output by the motor two 12 drives the rotation of the gear 14, the inner side of the support plate 10 is fixedly connected with a screening drum 15, after the material passes through the screening drum 15, it enters the blanking box 3 from the hopper 4, the inside of the screening drum 15 is provided with two kinds of screening holes, which can screen materials of different particles according to the size of the hole diameter.
[0036] The two ends of the screening drum 15 are provided with baffles 20 for preventing material overflow or controlling the screening range. The inside of the screening drum 15 is provided with screening holes one 18, and the inside of the screening holes one 18 is provided with screening holes two 19 for screening the material. Different particle sizes of the material are selected according to the size of the screen hole. The screening holes one 18 are at the top of the hopper 4, and the hole diameter of the screening holes one 18 is small, so that the material meeting the size standard can fall into the hopper 4 during the rotation of the screening drum 15. The screening holes two 19 are at the top of the collection box 21, and the hole diameter of the screening holes two 19 is larger, so that the unqualified material can fall into the collection box 21 through the screening holes two 19. The screening drum 15 is fixedly connected with a feeding port 17 on the side away from the screening holes one 18, for feeding the material into the screening drum 15. The two ends of the screening drum 15 are fixedly connected with baffles 20 for preventing the material from spilling out during rotation. The top of the support table 2 is fixedly connected with a collection box 21 for collecting the material of different sizes falling through the screening holes two 19.
[0037] With reference to Figure 1 , Figure 2 , Figure 5 , the intermittent feeding mechanism includes a hopper 4 fixedly connected to the top of the feeding box 3. The feeding box 3 is fixedly connected with a rotating assembly on the side away from the collection box 21. The rotating assembly controls the intermittent feeding of the material. The rotating assembly includes a motor one 5, an output shaft one 6, and a rotating plate 7. The front side of the motor one 5 is fixedly connected to the rear side of the feeding box 3. The rear side of the output shaft one 6 is fixedly connected to the front side of the motor one 5. The rotating plate 7 is rotatably connected to the outside of the output shaft one 6. The motor one 5 drives the output shaft one 6 to rotate, thereby rotating the rotating plate 7 and affecting the flow of the material. The inside of the feeding box 3 is fixedly connected with multiple inclined plates 8 arranged inside the feeding box 3 for guiding the flow path of the material and controlling the feeding speed of the material to slow down. The inside of the support table 2 is provided with a feeding port 9 through which the screened material can be fed into the next processing procedure during intermittent feeding.
[0038] With reference to Figure 1 , Figure 2 , Figure 3The outer part of the output shaft two 13 is rotatably connected with a gear 14, the outer part of the screening drum 15 is fixedly connected with a transmission assembly, the transmission assembly comprises the gear 14 and a gear ring 16, the inner part of the gear 14 is rotatably connected with the outer part of the output shaft two 13, the inner part of the gear ring 16 is fixedly connected with the outer part of the screening drum 15, the gear 14 and the gear ring 16 are meshingly connected with each other, and the screening drum 15 is driven to rotate through the meshing of the gear 14 and the gear ring 16. The gear 14 is driven by the output shaft two 13, the output shaft two 13 rotates under the driving of the motor two 12, the gear ring 16 is fixed to the outer part of the screening drum 15, and the meshing of the gear ring 16 and the gear 14 enables the screening drum 15 to continuously work. The bottom of the discharging box 3 is fixedly connected to the top of the feeding port 9, the bottom of the screening drum 15 is rotatably connected to the top of the hopper 4, the outer part of the feeding port 17 is fixedly connected to the inner part of the baffle 20, and the left side of the discharging box 3 is fixedly connected to the right side of the collecting box 21.
[0039] Working principle: when the screening mechanism starts to work, the motor two 12 on the fixed plate 11 drives the output shaft two 13 to rotate, the output shaft drives the gear 14 to rotate, the gear 14 is meshed with the gear ring 16 connected to the outer part of the screening drum 15, so that the rotation of the screening drum 15 in the inner part of the supporting plate 10 is driven. The material enters the screening drum 15 through the feeding port 17, passes through the screening holes one 18 and the screening holes two 19, and is screened according to the particle size. The qualified material falls into the hopper 4 through the screening holes one 18 and enters the discharging box 3, and the unqualified material falls into the collecting box 21 through the screening holes two 19. The baffle 20 is fixed at both ends of the screening drum 15 to prevent the material from spilling out.
[0040] The bottom plate 1 provides basic support and ensures the stability of each component. The top of the discharging box 3 on the supporting table 2 is connected with the hopper 4, the material is intermittently discharged in the inner part of the discharging box 3, the motor one 5 drives the rotating plate 7 to rotate through the output shaft one 6, and the falling speed of the material is affected, a plurality of inclined plates 8 are arranged in the inner part of the discharging box 3, the material flow is guided and the discharging speed is slowed down, and then the material is transmitted into the next material using process through the feeding port 9 at the bottom of the discharging box 3, through the coordinated work of each component, the effective screening and control of the material are realized, and it is ensured that the material entering the plastic processing equipment is pure and meets the requirements.
[0041] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacements to some technical features, as long as they are within the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. made shall be included in the protection scope of the present application.
Claims
1. A feeding device for plastic processing, comprising a base plate (1), characterized in that: The top of the bottom plate (1) is fixedly connected with a support table (2), the top of the support table (2) is fixedly connected with a discharging box (3), the top of the discharging box (3) is fixedly connected with an intermittent discharging mechanism, both sides of the discharging box (3) are fixedly connected with a support plate (10), and the outer side of the support plate (10) is fixedly connected with a screening mechanism. The screening mechanism comprises a fixed plate (11), the inner side of the fixed plate (11) is fixedly connected to the outer side of the support plate (10), the top of the fixed plate (11) is fixedly connected with a driving assembly, the inner side of the support plate (10) is fixedly connected with a screening roller (15), the inside of the screening roller (15) is provided with a screening hole one (18), the inside of the screening hole one (18) is provided with a screening hole two (19), the side, away from the screening hole one (18), of the screening roller (15) is fixedly connected with a feeding port (17), both ends of the screening roller (15) are fixedly connected with a baffle (20), and the top of the support table (2) is fixedly connected with a collecting box (21).
2. The feeding device for plastic processing according to claim 1, characterized in that: The driving assembly comprises a motor two (12) and an output shaft two (13), the bottom of the motor two (12) is fixedly connected to the top of the fixed plate (11), and the rear side of the output shaft two (13) is fixedly connected to the front side of the motor two (12).
3. The feeding device for plastic processing according to claim 2, characterized in that: The outside of the output shaft two (13) is rotatably connected with a gear (14), and the outside of the screening roller (15) is fixedly connected with a transmission assembly.
4. The feeding device for plastic processing according to claim 3, characterized in that: The transmission assembly comprises the gear (14) and a gear ring (16), the inside of the gear (14) is rotatably connected to the outside of the output shaft two (13), and the inside of the gear ring (16) is fixedly connected to the outside of the screening roller (15).
5. The feeding device for plastic processing according to claim 1, characterized in that: The intermittent discharging mechanism comprises a hopper (4), the bottom of the hopper (4) is fixedly connected to the top of the discharging box (3), the side, away from the collecting box (21), of the discharging box (3) is fixedly connected with a rotating assembly, the inside of the discharging box (3) is fixedly connected with a plurality of inclined plates (8), and the inside of the support table (2) is provided with a feeding port (9).
6. The feeding device for plastic processing according to claim 5, characterized in that: The rotating assembly comprises a motor one (5), an output shaft one (6) and a rotating plate (7), the front side of the motor one (5) is fixedly connected to the rear side of the discharging box (3), the rear side of the output shaft one (6) is fixedly connected to the front side of the motor one (5), and the inside of the rotating plate (7) is rotatably connected to the outside of the output shaft one (6).
7. The feeding device for plastic processing according to claim 5, characterized in that: The bottom of the discharging box (3) is fixedly connected to the top of the feeding port (9), and the bottom of the screening roller (15) is rotatably connected to the top of the hopper (4).
8. The feeding device for plastic processing according to claim 1, characterized in that: The outside of the feeding port (17) is fixedly connected to the inside of the baffle (20), and the left side of the discharging box (3) is fixedly connected to the right side of the collecting box (21).