Automatic feeder of granulation forming double-screw extruder
By installing a water tank on the twin-screw extruder for cleaning the spiral blades, and using sliding columns and third motors to achieve automatic feeding, the problems of raw material residue and waste are solved and production efficiency is improved.
Patent Information
- Application Number
- CN202421098067.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-05-20
AI Technical Summary
The existing twin-screw extruders are prone to raw material residues during the raw material extrusion process, resulting in waste of raw materials and unable to feed automatically, affecting production efficiency.
An automatic feeder of granulation and forming twin-screw extruder was designed. By installing a water tank above the extruder, the water flow was used to clean the spiral blades to ensure that the raw materials were fully mixed and utilized. At the same time, through the cooperation of the sliding column and the third motor, the functions of replacing the extrusion plate and automatic quantitative feeding were realized.
It effectively solves the problems of raw material residue and waste, ensures full mixing and utilization of raw materials, realizes automatic quantitative feeding, and improves production efficiency.
Smart Images

Figure CN222662781U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of fertilizer production, in particular to an automatic feeder for a granulation molding twin-screw extruder. Background Art
[0002] The twin-screw extruder is developed on the basis of the single-screw extruder. Due to its good feeding performance, mixing and plasticizing performance, exhaust performance, extrusion stability and other characteristics, it has been widely used in the molding processing of extruded products.
[0003] After searching, the announcement number is: CN212826748U, which discloses a twin-screw extruder device, including a fixed plate, an extrusion unit, a replacement unit and a support rod; the fixed plate: the support rod has four and is respectively arranged at the four corners of the bottom end of the fixed plate, and the bottom end of the fixed plate is provided with a storage unit; the extrusion unit: comprises a spiral blade, a shell, a rotating shaft, a discharge plate, a support plate and a motor, the support plate is arranged on the right side of the top of the fixed plate, the left side of the support plate is provided with a shell, the middle part of the left side of the shell is provided with a discharge plate, the motor has two and is arranged on the right side of the support plate in front and back correspondence, the output shaft of the motor is connected to the right end of the rotating shaft, the rotating shaft is located inside the shell, the outer side of the rotating shaft is sleeved with a spiral blade, and the left side of the shell is provided with a replacement unit; wherein, it also includes a feed pipe and a controller, the feed pipe is arranged on the right side of the top of the shell, the twin-screw extruder device is simple to use, convenient to adjust, good extrusion effect and high quality of finished products.
[0004] The above application can achieve the effects of simple use, convenient adjustment, good extrusion effect and high quality of finished products. However, when the raw materials are extruded, the raw materials may remain on the spiral blades, resulting in a waste of raw materials. Utility Model Content
[0005] In order to make up for the above shortcomings, the utility model provides an automatic feeder for a granulation molding twin-screw extruder, which aims to improve the problems of insufficient stirring during the mixing process leading to waste of raw materials, failure of extruded particles to meet demand and inability to automatically feed.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic feeder for a granulation molding twin-screw extruder, comprising a workbench, a support rod is fixedly connected to the lower surface of the workbench, a shell is fixedly connected to the upper surface of the workbench, a water tank is fixedly connected to the upper surface of the shell, a feed port is fixedly connected to the inside of the water tank, a water inlet is fixedly connected to the upper surface of the water tank, a spray port is fixedly connected to the lower surface of the water tank, a second rotating shaft is rotatably connected to the inside of the shell, a driven wheel is fixedly connected to the outer wall of the second rotating shaft, a spiral blade is fixedly connected to the outer wall of the driven wheel, and a drive assembly is arranged on the upper surface of the workbench.
[0007] Preferably, the driving assembly includes a first motor, an outer wall of the first motor is fixedly connected to the upper surface of the workbench, an output end of the first motor is fixedly connected to a first rotating shaft, an outer wall of the first rotating shaft is rotatably connected to a driving wheel, and an outer wall of the driving wheel is meshingly connected to an outer wall of the driven wheel.
[0008] Preferably, an extrusion plate is installed on the lower surface of the workbench, the inner wall of the extrusion plate is fixedly connected to a shell, a sliding column is installed inside the shell, the outer wall of the sliding column is fixedly connected to a fixing plate, the outer wall of the fixing plate is slidably connected to the inner wall of the shell, the outer wall of the fixing plate is fixedly connected to a first spring, and one end of the first spring is fixedly connected to the inner wall of the shell.
[0009] Preferably, a second motor is fixedly connected to the inside of the extrusion plate, a cutting knife is fixedly connected to the output end of the second motor, a feed port is installed on the lower surface of the workbench, and the inner wall of the feed port is fixedly connected to the outer wall of the extrusion plate.
[0010] Preferably, the bottom end of the support rod is fixedly connected to a base plate, the upper surface of the base plate is fixedly connected to a back plate, the upper surface of the back plate is fixedly connected to a first fixing plate, the outer wall of the first fixing plate is fixedly connected to a second spring, one end of the second spring is fixedly connected to the second fixing plate, the lower surface of the second fixing plate is fixedly connected to a feeding plate, the outer side of the second fixing plate is fixedly connected to a baffle, and the lower surface of the baffle is fixedly connected to the inner wall of the feeding plate.
[0011] Preferably, a connecting column is rotatably connected inside the feeding plate, one end of the connecting column is fixedly connected to a bracket, and the bottom end of the bracket is fixedly connected to the upper surface of the bottom plate.
[0012] Preferably, the outer wall of the bracket is fixedly connected to a support plate, the outer wall of the support plate is fixedly connected to a third fixed plate, the outer wall of the third fixed plate is fixedly connected to a third motor, the output end of the third motor is fixedly connected to a third rotating shaft, the outer wall of the third rotating shaft is fixedly connected to a turntable, the outer wall of the turntable is rotatably connected to a connecting rod, one end of the connecting rod is rotatably connected to a rotating column, one end of the rotating column is fixedly connected to a fixed block, and the upper surface of the fixed block is fixedly connected to the lower surface of the feeding plate.
[0013] Preferably, a fixing frame is fixedly connected to the upper surface of the bottom plate, and a discharge plate is fixedly connected to the top end of the fixing frame.
[0014] The utility model has the following beneficial effects:
[0015] 1. In the utility model, a water tank is installed above the extruder, and the water in the water tank flows through the spray port and is sprayed to the stirring chamber through the spray port. When the spiral blade rotates, the spiral blade can be cleaned to ensure the working efficiency of the spiral blade, and finally the effect of cleaning the inner wall and fully mixing the raw materials can be achieved.
[0016] 2. In the utility model, the first spring is squeezed by the fixing sheet on the outer wall of the sliding column to fix the sliding column, and the sliding column is pulled so that the sliding column slides out of the shell, thereby achieving the effect of replacing the extrusion plate and obtaining particles of different sizes.
[0017] 3. In the utility model, the third motor is used to control the rotation of the turntable, the turntable drives the connecting rod to rotate, the connecting rod drives the feeding plate to feed the material, the second spring pulls the feeding plate, and the discharge plate sends the raw materials to the feeding port, thereby achieving the effect of automatic quantitative feeding. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 A three-dimensional diagram of an automatic feeder for a granulation molding twin-screw extruder proposed by the utility model;
[0019] Figure 2 This is a schematic diagram of an extrusion plate of an automatic feeder for a granulation molding twin-screw extruder proposed by the utility model;
[0020] Figure 3 This is a schematic diagram of a discharging plate of an automatic feeder for a granulation molding twin-screw extruder proposed by the utility model;
[0021] Figure 4 The utility model provides a schematic diagram of a driven wheel of an automatic feeder for a granulation molding twin-screw extruder.
[0022] Legend:
[0023] 1. Workbench; 2. Support rod; 3. Shell; 4. Water tank; 5. Feed inlet; 6. Water inlet; 7. Spray port; 8. First motor; 9. First rotating shaft; 10. Driving wheel; 11. Driven wheel; 12. Second rotating shaft; 13. Spiral blade; 14. Extrusion plate; 15. Shell; 16. Sliding column; 17. Fixed sheet; 18. First spring; 19. Second motor; 20. Cutting knife; 21. Feeding port; 22. Bottom plate; 23. Back plate; 24. First fixed plate; 25. Second spring; 26. Second fixed plate; 27. Feeding plate; 28. Baffle; 29. Connecting column; 30. Bracket; 31. Support plate; 32. Third fixed plate; 33. Third motor; 34. Third rotating shaft; 35. Turntable; 36. Connecting rod; 37. Rotating column; 38. Fixed block; 39. Fixed frame; 40. Discharging plate. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings of the specification 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 of 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.
[0025] Reference Figure 1 and Figure 4 The utility model provides an embodiment: an automatic feeder for a granulation molding twin-screw extruder, comprising a workbench 1, a support rod 2 is fixedly connected to the lower surface of the workbench, a shell 3 is fixedly connected to the upper surface of the workbench 1, a water tank 4 is fixedly connected to the upper surface of the shell 3, a feed port 5 is fixedly connected to the inside of the water tank 4, a water inlet 6 is fixedly connected to the upper surface of the water tank 4, a spray port 7 is fixedly connected to the lower surface of the water tank 4, a second rotating shaft 12 is rotatably connected to the inside of the shell 3, a driven wheel 11 is fixedly connected to the outer wall of the second rotating shaft 12, a spiral blade 13 is fixedly connected to the outer wall of the driven wheel 11, and a driving component is arranged on the upper surface of the workbench 1.
[0026] Specifically, the support rod 2 supports the workbench 1, the spray port 7 cleans the spiral blade 13, the housing 3 fixes the second rotating shaft 12, and the rotation of the driven wheel 11 can drive the spiral blade 13 to rotate.
[0027] Reference Figure 2 The driving assembly includes a first motor 8, the outer wall of the first motor 8 is fixedly connected to the upper surface of the workbench 1, the output end of the first motor 8 is fixedly connected to a first rotating shaft 9, the outer wall of the first rotating shaft 9 is rotatably connected to a driving wheel 10, and the outer wall of the driving wheel 10 is meshedly connected to the outer wall of the driven wheel 11;
[0028] Specifically, the first motor 8 can drive the first rotating shaft 9 to move through rotation, and the first rotating shaft 9 can drive the driving wheel 10 to rotate through rotation, and the driving wheel 10 can drive the driven wheel 11 to rotate through rotation.
[0029] Reference Figure 1 and Figure 3A material extrusion plate 14 is installed on the lower surface of the workbench 1, and the inner wall of the material extrusion plate 14 is fixedly connected with a shell 15, a sliding column 16 is installed inside the shell 15, and the outer wall of the sliding column 16 is fixedly connected with a fixing plate 17, and the outer wall of the fixing plate 17 is slidably connected to the inner wall of the shell 15, and the outer wall of the fixing plate 17 is fixedly connected with a first spring 18, and one end of the first spring 18 is fixedly connected to the inner wall of the shell 15; a second motor 19 is fixedly connected to the inside of the material extrusion plate 14, and a cutting knife 20 is fixedly connected to the output end of the second motor 19, and a material discharge port 21 is installed on the lower surface of the workbench 1, and the inner wall of the material discharge port 21 is fixedly connected to the outer wall of the material extrusion plate 14;
[0030] Specifically, the raw material can be squeezed into particles through the extrusion plate 14, and the sliding column 16 can be separated from the shell 15 by pulling the sliding column 16, so that the extrusion plate 14 can be taken out, thereby achieving the purpose of replacing the extrusion plate 14, and the second motor 19 is turned on. The rotation of the second motor 19 can drive the operation of the cutting knife 20, and the particles can be sent to the feeding plate 27 through the discharge port 21.
[0031] Reference Figure 3 The bottom end of the support rod 2 is fixedly connected to a bottom plate 22, the upper surface of the bottom plate 22 is fixedly connected to a back plate 23, the upper surface of the back plate 23 is fixedly connected to a first fixed plate 24, the outer wall of the first fixed plate 24 is fixedly connected to a second spring 25, one end of the second spring 25 is fixedly connected to a second fixed plate 26, the lower surface of the second fixed plate 26 is fixedly connected to a feeding plate 27, the outer side of the second fixed plate 26 is fixedly connected to a baffle 28, the lower surface of the baffle 28 is fixedly connected to the inner wall of the feeding plate 27; the feeding plate 27 is rotatably connected to a connecting column 29, one end of the connecting column 29 is fixedly connected to a bracket 30, and the bottom end of the bracket 30 is fixedly connected to the upper surface of the bottom plate 22;
[0032] Specifically, the back plate 23 fixes the first fixed plate 24, the second spring 25 can pull the feed plate 27, the baffle 28 can prevent particles from leaking out, the feed plate 27 can be driven to rotate by the rotation of the connecting column 29, and the feed plate 27 is fixed by the bracket 30.
[0033] Reference Figure 1 and Figure 3The outer wall of the bracket 30 is fixedly connected to a support plate 31, the outer wall of the support plate 31 is fixedly connected to a third fixed plate 32, the outer wall of the third fixed plate 32 is fixedly connected to a third motor 33, the output end of the third motor 33 is fixedly connected to a third rotating shaft 34, the outer wall of the third rotating shaft 34 is fixedly connected to a turntable 35, the outer wall of the turntable 35 is rotatably connected to a connecting rod 36, one end of the connecting rod 36 is rotatably connected to a rotating column 37, one end of the rotating column 37 is fixedly connected to a fixed block 38, the upper surface of the fixed block 38 is fixedly connected to the lower surface of the feeding plate 27; the upper surface of the bottom plate 22 is fixedly connected to a fixing frame 39, and the top end of the fixing frame 39 is fixedly connected to a discharge plate 40;
[0034] Specifically, the third fixed plate 32 is fixed by the support plate 31, and the rotation of the third motor 33 can drive the third rotating shaft 34 to rotate. The turntable 35 is fixedly connected to the third rotating shaft 34. The rotation of the third rotating shaft 34 can drive the turntable 35 to rotate, thereby driving the connecting rod 36 to move back and forth. The reciprocating movement of the connecting rod 36 can transfer the objects in the feeding plate 27 to the discharging plate 40. Working principle: When the device is needed, start the first motor 8 to drive the driving wheel 10 to rotate. When the driving wheel 10 rotates, it can drive the driven wheel 11 to rotate, thereby driving the first rotating shaft 9 and the spiral blade 13 to rotate. Put the raw material into the feed port 5. The raw material will pass through the spiral blade 13, fill the water tank 4 with water, and the water sprayed from the spray port 7 during stirring can fully mix the raw material to ensure that the raw material is fully utilized. Turn on the second motor 19. When the raw material is transmitted to the extrusion plate 14, the rotation of the second motor 19 can drive the cutting knife 20 to rotate, thereby cutting the raw material into particles. By pulling the sliding column 16, the sliding column 16 can be separated from the housing 15, and then it can be removed. The extrusion plate 14 is used to achieve the purpose of replacing the extrusion plate 14, and finally realizes the effect of obtaining particles of different sizes according to needs. The cut particles fall into the discharge port 21, and the third motor 33 is turned on. The rotation of the third motor 33 drives the turntable 35 to rotate. The connecting rod 36 fixedly connected to the turntable 35 can drive the feeding plate 27 to move back and forth, and can send the raw materials in the feeding plate 27 to the discharge plate 40. When the raw materials in the feeding plate 27 are empty, the second spring 25 can pull the feeding plate 27 back to its original position. The device can not only ensure that the raw materials are fully mixed, but also can obtain particles of different sizes by replacing the extrusion plate, and can also achieve the effect of automatic quantitative feeding.
[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. An automatic feeder for a granulation molding twin-screw extruder, comprising a workbench (1), characterized in that: The lower surface of the workbench (1) is fixedly connected to a support rod (2), the upper surface of the workbench (1) is fixedly connected to a shell (3), the upper surface of the shell (3) is fixedly connected to a water tank (4), the interior of the water tank (4) is fixedly connected to a feed port (5), the upper surface of the water tank (4) is fixedly connected to a water inlet (6), the lower surface of the water tank (4) is fixedly connected to a spray port (7), the interior of the shell (3) is rotatably connected to a second rotating shaft (12), the outer wall of the second rotating shaft (12) is fixedly connected to a driven wheel (11), the outer wall of the driven wheel (11) is fixedly connected to a spiral blade (13), and the upper surface of the workbench (1) is provided with a driving assembly.
2. The automatic feeder for a granulation molding twin-screw extruder according to claim 1, characterized in that: The driving assembly comprises a first motor (8), the outer wall of the first motor (8) is fixedly connected to the upper surface of the workbench (1), the output end of the first motor (8) is fixedly connected to a first rotating shaft (9), the outer wall of the first rotating shaft (9) is rotatably connected to a driving wheel (10), and the outer wall of the driving wheel (10) is meshingly connected to the outer wall of the driven wheel (11).
3. The automatic feeder for a granulation molding twin-screw extruder according to claim 1, characterized in that: A material extrusion plate (14) is installed on the lower surface of the workbench (1), the inner wall of the material extrusion plate (14) is fixedly connected to a shell (15), a sliding column (16) is installed inside the shell (15), the outer wall of the sliding column (16) is fixedly connected to a fixing plate (17), the outer wall of the fixing plate (17) is slidably connected to the inner wall of the shell (15), the outer wall of the fixing plate (17) is fixedly connected to a first spring (18), and one end of the first spring (18) is fixedly connected to the inner wall of the shell (15).
4. The automatic feeder for a granulation molding twin-screw extruder according to claim 3, characterized in that: A second motor (19) is fixedly connected to the interior of the extrusion plate (14), a cutting knife (20) is fixedly connected to the output end of the second motor (19), a feed opening (21) is installed on the lower surface of the workbench (1), and the inner wall of the feed opening (21) is fixedly connected to the outer wall of the extrusion plate (14).
5. The automatic feeder for a granulation molding twin-screw extruder according to claim 1, characterized in that: The bottom end of the support rod (2) is fixedly connected to a bottom plate (22), the upper surface of the bottom plate (22) is fixedly connected to a back plate (23), the upper surface of the back plate (23) is fixedly connected to a first fixed plate (24), the outer wall of the first fixed plate (24) is fixedly connected to a second spring (25), one end of the second spring (25) is fixedly connected to a second fixed plate (26), the lower surface of the second fixed plate (26) is fixedly connected to a feeding plate (27), the outer side of the second fixed plate (26) is fixedly connected to a baffle plate (28), and the lower surface of the baffle plate (28) is fixedly connected to the inner wall of the feeding plate (27).
6. The automatic feeder for a granulation molding twin-screw extruder according to claim 5, characterized in that: A connecting column (29) is rotatably connected inside the feeding plate (27), one end of the connecting column (29) is fixedly connected to a bracket (30), and the bottom end of the bracket (30) is fixedly connected to the upper surface of the bottom plate (22).
7. The automatic feeder for a granulation molding twin-screw extruder according to claim 6, characterized in that: The outer wall of the bracket (30) is fixedly connected to a support plate (31), the outer wall of the support plate (31) is fixedly connected to a third fixed plate (32), the outer wall of the third fixed plate (32) is fixedly connected to a third motor (33), the output end of the third motor (33) is fixedly connected to a third rotating shaft (34), the outer wall of the third rotating shaft (34) is fixedly connected to a rotating disk (35), the outer wall of the rotating disk (35) is fixedly connected to a connecting rod (36), one end of the connecting rod (36) is rotatably connected to a rotating column (37), one end of the rotating column (37) is fixedly connected to a fixed block (38), and the upper surface of the fixed block (38) is fixedly connected to the lower surface of the feeding plate (27).
8. The automatic feeder for a granulation molding twin-screw extruder according to claim 5, characterized in that: A fixing frame (39) is fixedly connected to the upper surface of the bottom plate (22), and a discharge plate (40) is fixedly connected to the top of the fixing frame (39).
Citation Information
Patent Citations
Double-screw-rod extruder equipment
CN212826748U
Cited By
Feeder of double-screw extruder
CN224334989U