Feeding device
By integrating crushing and mixing functions into the feeding device, the problem of existing devices lacking crushing and mixing capabilities is solved, achieving efficient crushing and conveying of polylactic acid raw materials and simplifying the processing flow.
Patent Information
- Application Number
- CN202520422818.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-03-12
AI Technical Summary
Existing feeding devices for polylactic acid (PLA) material production lack crushing and mixing functions, resulting in a cumbersome processing procedure.
A feeding device integrating crushing and mixing functions was designed. The connecting disc is driven to rotate by a second servo motor, which drives the crushing teeth to crush the raw materials. The raw materials are stirred by a scraper. After being screened by a filter screen, the crushed raw materials are conveyed to the conveying shell by a spiral conveyor plate.
It achieves efficient crushing and mixing of polylactic acid raw materials, simplifies the processing flow, and improves production efficiency.
Smart Images

Figure CN223765408U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of feeding device technology, and in particular to a feeding device. Background Technology
[0002] Polylactic acid (PLA) is a polymer obtained by polymerizing small-molecule lactic acid from biomass, cassava, corn, sugarcane, straw, and other raw materials through microbial fermentation. PLA has good biodegradability and can be used to make fibers, sheets, boards, etc. It is widely used in various fields of life and is an environmentally friendly and pollution-free material.
[0003] Existing feeding devices for polylactic acid (PLA) material production are incomplete in function, lacking crushing and mixing capabilities. Before feeding, the raw materials must first be crushed using a crusher and then mixed using a mixing device, a cumbersome process that is inconvenient for processing and production. To overcome these disadvantages, this invention provides a feeding device. Utility Model Content
[0004] The purpose of this utility model is to provide a feeding device to overcome the shortcomings of the existing technology.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a feeding device, comprising a base, a support frame fixedly connected to the upper end of the base, a conveying housing fixedly connected to the upper end of the support frame, sealing plates fixedly connected to both sides of the conveying housing, a first rotating shaft rotatably connected between the sealing plates, a spiral conveying plate fixedly connected to the outer side of the first rotating shaft, a feeding pipe fixedly connected to the feeding port at the upper end of the conveying housing, a connecting housing fixedly connected to the upper end of the feeding pipe, a toothed ring fixedly connected to the rear side inside the connecting housing, a connecting disc rotatably connected to the rear side inside the connecting housing, a fixing ring fixedly connected to the front side of the connecting disc, a limiting ring fixedly connected to the front end of the fixing ring, a plurality of second rotating shafts rotatably connected between the connecting disc and the limiting ring, a plurality of crushing teeth fixedly connected to the outer side of the second rotating shafts, and a gear fixedly connected through the connecting disc at the rear end of the second rotating shafts, the gear meshing with the toothed ring.
[0006] Furthermore, a first servo motor is fixedly connected to the outer side of the sealing plate on one side, and the output end of the first servo motor is fixedly connected to one end of the first rotating shaft.
[0007] Furthermore, a discharge pipe is fixedly connected to the discharge port at the lower end of the conveying housing.
[0008] Furthermore, a feeding hopper is fixedly connected to the upper end of the connecting housing, and a filter screen is fixedly connected to the lower end of the connecting housing above the feed pipe.
[0009] Furthermore, a second servo motor is fixedly connected to the rear end of the connecting housing, and the output end of the second servo motor is fixedly connected to the rear end of the connecting plate.
[0010] Furthermore, an end cap is bolted to the front side of the connecting housing.
[0011] Furthermore, a number of scrapers are fixedly connected between the connecting disc and the limiting ring.
[0012] The beneficial effects of this utility model are:
[0013] In use, the feeding device of this utility model allows polylactic acid (PLA) raw materials to be fed into the connecting housing through a feeding hopper. A second servo motor drives the connecting disc to rotate, and a gear meshes with a gear ring, thereby driving the second rotating shaft to rotate. The PLA raw materials are then crushed by crushing teeth, and a scraper can stir the PLA raw materials. After being crushed and stirred, the raw materials pass through a filter screen and enter the conveying housing through a feeding pipe. A first servo motor drives the first rotating shaft to rotate, thereby driving the spiral conveyor plate to convey and feed the materials. Attached Figure Description
[0014] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the specific embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0015] Figure 1 : Front view of this utility model;
[0016] Figure 2 : Schematic diagram of the first rotating shaft and spiral conveyor plate of this utility model;
[0017] Figure 3 : Schematic diagram of the internal structure of the connecting shell of this utility model;
[0018] Figure 4 : Schematic diagram of the second servo motor mounting structure of this utility model;
[0019] Figure 5 : Schematic diagram of the second rotating shaft mounting structure of this utility model;
[0020] Figure 6 : Schematic diagram of the limiting ring installation structure of this utility model.
[0021] The attached figures are labeled as follows:
[0022] 1. Base; 2. Support frame; 3. Conveying housing; 4. Discharge pipe; 5. Sealing plate; 6. First servo motor; 7. Feed pipe; 8. Connecting housing; 9. End cap; 10. Feed hopper; 11. First rotating shaft; 12. Spiral conveyor plate; 13. Gear ring; 14. Filter screen; 15. Second servo motor; 16. Connecting plate; 17. Fixing ring; 18. Limiting ring; 19. Scraper; 20. Second rotating shaft; 21. Crushing teeth; 22. Gear. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0024] like Figure 1-6 As shown, a feeding device is disclosed, comprising a base 1, a support frame 2 fixedly connected to the upper end of the base 1, a conveying housing 3 fixedly connected to the upper end of the support frame 2, sealing plates 5 fixedly connected to both sides of the conveying housing 3, a first rotating shaft 11 rotatably connected between the sealing plates 5, a spiral conveying plate 12 fixedly connected to the outer side of the first rotating shaft 11, a feed pipe 7 fixedly connected to the feed inlet at the upper end of the conveying housing 3, a connecting housing 8 fixedly connected to the upper end of the feed pipe 7, and a toothed ring 13 fixedly connected to the rear side inside the connecting housing 8. A connecting disc 16 is rotatably connected to the rear side of the housing 8. A fixing ring 17 is fixedly connected to the front side of the connecting disc 16. A limiting ring 18 is fixedly connected to the front end of the fixing ring 17. Several second rotating shafts 20 are rotatably connected between the connecting disc 16 and the limiting ring 18. Several crushing teeth 21 are fixedly connected to the outer side of the second rotating shafts 20. A gear 22 is fixedly connected to the rear end of the second rotating shafts 20 through the connecting disc 16. The gear 22 meshes with the gear ring 13. Several scrapers 19 are fixedly connected between the connecting disc 16 and the limiting ring 18.
[0025] As shown in the figure, a first servo motor 6 is fixedly connected to the outer side of the sealing plate 5 on one side. The output end of the first servo motor 6 is fixedly connected to one end of the first rotating shaft 11. The first servo motor 6 drives the first rotating shaft 11 to rotate, thereby driving the spiral conveyor plate 12 to convey.
[0026] As shown in the figure, a discharge pipe 4 is fixedly connected to the discharge port at the lower end of the conveying housing 3. The raw materials are discharged through the discharge pipe 4, which can complete the feeding process.
[0027] As shown in the figure, a feeding hopper 10 is fixedly connected to the upper end of the connecting shell 8. Polylactic acid raw material is fed into the connecting shell 8 through the feeding hopper 10. A filter screen 14 is fixedly connected to the lower end of the connecting shell 8 above the feed pipe 7. The filter screen 14 can screen the crushed raw material.
[0028] As shown in the figure, a second servo motor 15 is fixedly connected to the rear end of the connecting housing 8. The output end of the second servo motor 15 is fixedly connected to the rear end of the connecting plate 16. The second servo motor 15 drives the connecting plate 16 to rotate.
[0029] As shown in the figure, an end cap 9 is bolted to the front side of the connecting housing 8, and the end cap 9 can seal the front side of the connecting housing 8.
[0030] Working principle: During use, polylactic acid (PLA) raw material is fed into the connecting housing 8 through the feeding hopper 10. The second servo motor 15 drives the connecting disc 16 to rotate. The gear 22 meshes with the gear ring 13, thereby driving the second rotating shaft 20 to rotate. The PLA raw material is then crushed by the crushing teeth 21. The scraper 19 can stir the PLA raw material during rotation and scrape the raw material on the filter screen 14 to prevent the filter screen from clogging. After being crushed and stirred, the raw material passes through the filter screen 14 and enters the conveying housing 3 through the feeding pipe 7. The first servo motor 6 drives the first rotating shaft 11 to rotate, thereby driving the spiral conveyor plate 12 to convey the material. The raw material is discharged through the discharge pipe 4, thus completing the feeding process.
[0031] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A dosing device comprising a base (1), characterized in that: The base (1) upper end fixedly connected with support frame (2), the support frame (2) upper end fixedly connected with conveying shell (3), the conveying shell (3) left and right sides are fixedly connected with sealing plate (5), the sealing plate (5) between the first rotating shaft (11) is rotatably connected, the first rotating shaft (11) outside fixedly connected with spiral conveying plate (12), the conveying shell (3) upper end inlet fixedly connected with feed pipe (7), the feed pipe (7) upper end fixedly connected with connecting shell (8), the connecting shell (8) inside rear side fixedly connected with gear ring (13), the connecting shell (8) inside rear side rotatably connected with connecting disc (16), the connecting disc (16) front side fixedly connected with fixed ring (17), the fixed ring (17) front end fixedly connected with limit ring (18), the connecting disc (16) and limit ring (18) between rotatably connected with a plurality of second rotating shaft (20), the second rotating shaft (20) outside fixedly connected with a plurality of crushing teeth (21), the second rotating shaft (20) rear end penetrates the connecting disc (16) fixedly connected with gear (22), the gear (22) and gear ring (13) meshing connection.
2. A dosing device according to claim 1, characterized in that The sealing plate (5) outside fixedly connected with first servo motor (6) on one side, the first servo motor (6) output and first rotating shaft (11) one end fixedly connected.
3. A feeding device according to claim 1, characterized in that: The conveying shell (3) lower end outlet fixedly connected with discharge pipe (4).
4. The feeding device of claim 1, wherein: The connecting shell (8) upper end fixedly connected with feeding hopper (10), the connecting shell (8) lower end is fixedly connected with filter screen (14) above the feed pipe (7).
5. The feeding device of claim 1, wherein: The connecting shell (8) rear end fixedly connected with second servo motor (15), the second servo motor (15) output and connecting disc (16) rear end fixedly connected.
6. A dosing device according to claim 1, characterized in that: The connecting shell (8) front side bolted with end cover (9).
7. A dosing device according to claim 1, characterized in that: The connecting disc (16) and limit ring (18) between fixedly connected with a plurality of scrapers (19).