Single-screw extruder feeding device with anti-blocking function

Abstract

The utility model provides a single-screw extruder feeding device with an anti-blocking function, which belongs to the technical field of single-screw extruder feeding devices and comprises a conical extrusion port, the conical extrusion port is hollow, a matching port is connected onto the conical extrusion port in a sliding manner, an anti-blocking mechanism is arranged in the matching port, and the anti-blocking mechanism is connected with the conical extrusion port in a sliding manner. A control positioning ring is arranged on the outer side of the matching port, four positioning screws are rotationally connected to the bottom of the control positioning ring, and a convenient dismounting mechanism is arranged on the conical extrusion port. The anti-blocking mechanism is arranged, the spiral feeding blade rotates to drive the two dredging shafts and the dredging blades to rotate, so that after materials are refined through the dredging blades, the blocking probability is reduced, meanwhile, the convenient dismounting mechanism is further arranged, the conical extrusion port can be conveniently dismounted, and the practicability is high. Therefore, the interior of the device can be maintained more conveniently, and the maintenance cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of single screw extruder feeding devices, in particular to a single screw extruder feeding device with an anti-blocking function. Background Art

[0002] The single-screw extruder is composed of an Archimedean screw and a barrel. Due to its simple structure, low manufacturing cost and high processing efficiency, it is widely used. It is the most mature and most widely used type of extruder. Therefore, it is necessary to propose a single-screw extruder feeding device with anti-blocking function.

[0003] According to the search, the patent document with publication number CN215396764U discloses a single-screw extruder feeding device with anti-blocking function, including a feeding device body, a lower bin is provided on the feeding device body, a top cover is provided on the top of the lower bin, the top cover is welded to the top of the lower bin, a driving motor is provided at the top center of the top cover, the rotating shaft of the driving motor is installed downward, a positioning bracket mechanism is provided on the inner side of the lower bin near the top, the positioning bracket mechanism is welded to the inner wall of the lower bin, annular brackets are provided around the positioning bracket mechanism, a cross is provided inside the positioning bracket mechanism, the cross and the annular bracket are an integrated structure, a limiting hole is provided at the inner center of the cross, and an annular bearing is provided inside the limiting hole.

[0004] The existing anti-clogging single-screw extruder feeding device also has the following disadvantages: the existing single-screw extruder is prone to material blockage when in use, and the existing single-screw extruder is inconvenient to clean and maintain the screw, and the subsequent maintenance cost is high. Utility Model Content

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A single-screw extruder feeding device with anti-blocking function, comprising a conical extrusion port, the conical extrusion port is hollow, a matching port is slidably connected to the conical extrusion port, and an anti-blocking mechanism is arranged in the matching port;

[0007] A control positioning ring is arranged on the outside of the matching port, and four positioning screws are rotatably connected to the bottom of the control positioning ring. A convenient disassembly mechanism is arranged on the conical extrusion port.

[0008] Preferably, the anti-blocking mechanism includes a partition wall, a transmission housing, a dredging shaft and dredging blades, the two partition walls are fixedly connected to the inner wall of the tapered extrusion port, the transmission housing is fixedly connected between the two partition arms, the dredging shaft is rotatably connected to both sides of the transmission housing, and the dredging blades are coaxially fixedly connected to the dredging shaft.

[0009] Preferably, a driving bevel gear is rotatably connected to the bottom of the transmission housing, and driven bevel gears are rotatably connected to the inner walls on both sides of the transmission housing, and the two driven bevel gears are meshed with the driving bevel gear. The dredging shaft passes through the transmission housing and is coaxially fixedly connected to the driven bevel gear on the corresponding side.

[0010] Preferably, the active bevel gear is coaxially fixedly connected with a drive shaft, the drive shaft is arranged through the top of the transmission housing, the bottom of the transmission housing is rotatably connected with a spiral feeding blade, the spiral feeding blade rotating shaft passes through the transmission housing and is coaxially fixedly connected with the active bevel gear.

[0011] Preferably, the convenient disassembly mechanism includes a rotating disk, an inner gear ring and a positioning gear. The rotating disk is fixedly connected to the outside of the conical extrusion port, the inner gear ring is rotatably connected to the rotating disk, and the four positioning gears are all rotatably connected to the rotating disk, and the positioning gears are meshed with the inner gear ring.

[0012] Preferably, a thread groove is provided in the positioning gear, the positioning gear is threadedly connected to the positioning screw on the corresponding side, and a plurality of rotating handles are fixedly connected to the outer side of the inner gear ring.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] The utility model provides an anti-clogging mechanism, and utilizes the rotation of the spiral feeding blade to drive the two dredging shafts and the dredging blades to rotate, so that the material is refined after passing through the dredging blades, reducing the probability of clogging. At the same time, a convenient disassembly mechanism is also provided, which can conveniently disassemble the tapered extrusion port, so that the inside of the device can be maintained more conveniently, reducing maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of a single-screw extruder feeding device with anti-blocking function proposed by the utility model;

[0016] Figure 2 This is a three-dimensional structural schematic diagram from another angle of a single-screw extruder feeding device with an anti-blocking function proposed by the utility model;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of an anti-blocking mechanism of a single-screw extruder feeding device with an anti-blocking function proposed by the utility model;

[0018] Figure 4 The utility model provides a three-dimensional structural schematic diagram of the spiral feeding blade part of a single screw extruder feeding device with anti-blocking function.

[0019] In the figure: 1 conical extrusion port, 2 matching port, 3 control positioning ring, 4 positioning screw, 5 partition wall, 6 transmission housing, 7 dredging shaft, 8 dredging blades, 9 active bevel gear, 10 driven bevel gear, 11 driving shaft, 12 spiral feeding blades, 13 rotating disk, 14 internal gear ring, 15 positioning gear, 16 rotating handle. DETAILED DESCRIPTION

[0020] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] Reference Figure 1-Figure 4 , a single screw extruder feeding device with anti-blocking function, comprising

[0022] A conical extrusion port 1 is hollow, a matching port 2 is slidably connected to the conical extrusion port 1, and an anti-blocking mechanism is arranged in the matching port 2;

[0023] A control positioning ring 3 is arranged on the outside of the matching port 2, and four positioning screws 4 are rotatably connected to the bottom of the control positioning ring 3, and a convenient disassembly mechanism is arranged on the conical extrusion port 1;

[0024] The anti-blocking mechanism includes a partition wall 5, a transmission housing 6, a dredging shaft 7 and a dredging blade 8. The two partition walls 5 are fixedly connected to the inner wall of the tapered extrusion port 1, the transmission housing 6 is fixedly connected between the two partition walls 5, the dredging shaft 7 is rotatably connected to both sides of the transmission housing 6, and the dredging blade 8 is coaxially fixedly connected to the dredging shaft 7. The bottom of the transmission housing 6 is rotatably connected to a driving bevel gear 9, and the inner walls on both sides of the transmission housing 6 are rotatably connected to driven bevel gears 10. Both driven bevel gears 10 are meshed with the driving bevel gear 9. The rotating shaft of the dredging shaft 7 passes through the transmission housing 6 and is coaxially fixedly connected to the driven bevel gear 10 on the corresponding side. The driving bevel gear 9 is coaxially fixedly connected to a drive shaft 11, and the drive shaft 11 passes through the transmission The top of the dynamic housing 6 is provided, and the bottom of the transmission housing 6 is rotatably connected with a spiral feeding blade 12. The rotating shaft of the spiral feeding blade 12 passes through the transmission housing 6 and is coaxially fixedly connected to the active bevel gear 9. The driving shaft 11 can be connected to an external driving source. When the driving shaft 11 rotates, the active bevel gear 9 coaxially fixed thereto rotates. When the active bevel gear 9 rotates, the two driven bevel gears 10 meshing therewith can rotate. When the driven bevel gear 10 rotates, the dredging shaft 7 and the dredging blade 8 coaxially fixed thereto can rotate. At the same time, the spiral feeding blade 12 rotates driven by the active bevel gear 9. The rotation of the dredging blade 8 can crush and refine the material, thereby reducing the probability of blockage.

[0025] The convenient disassembly mechanism includes a rotating disk 13, an inner gear ring 14 and a positioning gear 15. The rotating disk 13 is fixedly connected to the outer side of the tapered extrusion port 1, and the inner gear ring 14 is rotatably connected to the rotating disk 13. Four positioning gears 15 are rotatably connected to the rotating disk 13. The positioning gear 15 is meshed with the inner gear ring 14. A threaded groove is provided in the positioning gear 15. The positioning gear 15 is threadedly connected to the positioning screw 4 on the corresponding side. A plurality of rotating handles 16 are fixedly connected to the outer side of the inner gear ring 14. When the tapered extrusion port 1 needs to be disassembled, the rotating handle 16 can be manually rotated, and the inner gear ring 14 will rotate. When the inner gear ring 14 rotates, the positioning gear 15 meshed with it can rotate. When the positioning gear 15 rotates, the positioning screw 4 threadedly connected thereto can drive the control positioning ring 3 and the matching port 2 to move as a whole.

[0026] The functional principle of the utility model can be explained through the following operation modes:

[0027] The driving shaft 11 can be connected to an external driving source. When the driving shaft 11 rotates, the active bevel gear 9 coaxially fixed thereto rotates. When the active bevel gear 9 rotates, the two driven bevel gears 10 meshing therewith can rotate. When the driven bevel gear 10 rotates, the dredging shaft 7 and the dredging blade 8 coaxially fixed thereto can rotate. At the same time, the spiral feeding blade 12 rotates driven by the active bevel gear 9. The rotation of the dredging blade 8 can crush and refine the material, thereby reducing the probability of blockage.

[0028] When the tapered extrusion port 1 needs to be disassembled, the handle 16 can be manually turned, and the inner gear ring 14 will rotate. When the inner gear ring 14 rotates, the positioning gear 15 meshing therewith can rotate. When the positioning gear 15 rotates, the positioning screw 4 threadedly connected thereto can drive the control positioning ring 3 and the matching port 2 to move as a whole.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A single screw extruder feeding device with anti-clogging function, comprising a tapered extrusion port (1), characterized in that: The conical extrusion port (1) is hollow, a matching port (2) is slidably connected to the conical extrusion port (1), and an anti-blocking mechanism is arranged in the matching port (2); A control positioning ring (3) is arranged on the outside of the matching port (2), and four positioning screws (4) are rotatably connected to the bottom of the control positioning ring (3). A convenient disassembly mechanism is arranged on the conical extrusion port (1).

2. A single screw extruder feeding device with anti-blocking function according to claim 1, characterized in that: The anti-blocking mechanism comprises a partition wall (5), a transmission housing (6), a dredging shaft (7) and a dredging blade (8); the two partition walls (5) are fixedly connected to the inner wall of the tapered extrusion port (1); the transmission housing (6) is fixedly connected between the two partition walls (5); the dredging shaft (7) is rotatably connected to both sides of the transmission housing (6); and the dredging blade (8) is coaxially fixedly connected to the dredging shaft (7).

3. A single screw extruder feeding device with anti-blocking function according to claim 2, characterized in that: A driving bevel gear (9) is rotatably connected to the bottom of the transmission housing (6), and driven bevel gears (10) are rotatably connected to the inner walls on both sides of the transmission housing (6). Both driven bevel gears (10) are meshed with the driving bevel gear (9), and the rotating shaft of the dredging shaft (7) passes through the transmission housing (6) and is coaxially fixedly connected to the driven bevel gear (10) on the corresponding side.

4. A single screw extruder feeding device with anti-blocking function according to claim 3, characterized in that: The active bevel gear (9) is coaxially fixedly connected to a drive shaft (11), the drive shaft (11) passes through the top of a transmission housing (6), the bottom of the transmission housing (6) is rotatably connected to a spiral feeding blade (12), the rotating shaft of the spiral feeding blade (12) passes through the transmission housing (6) and is coaxially fixedly connected to the active bevel gear (9).

5. A single screw extruder feeding device with anti-blocking function according to claim 4, characterized in that: The convenient disassembly mechanism comprises a rotating disk (13), an inner gear ring (14) and a positioning gear (15); the rotating disk (13) is fixedly connected to the outer side of the conical extrusion port (1); the inner gear ring (14) is rotatably connected to the rotating disk (13); the four positioning gears (15) are all rotatably connected to the rotating disk (13); and the positioning gears (15) are meshed with the inner gear ring (14).

6. A single screw extruder feeding device with anti-blocking function according to claim 5, characterized in that: A thread groove is formed in the positioning gear (15), and the positioning gear (15) is threadedly connected to the positioning screw (4) on the corresponding side. A plurality of rotating handles (16) are fixedly connected to the outside of the inner gear ring (14).

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