CN210336810U - Forced feeding device of plastic extruder of three-layer co-extrusion production line - Google Patents
Forced feeding device of plastic extruder of three-layer co-extrusion production line Download PDFInfo
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- CN210336810U CN210336810U CN201921430765.3U CN201921430765U CN210336810U CN 210336810 U CN210336810 U CN 210336810U CN 201921430765 U CN201921430765 U CN 201921430765U CN 210336810 U CN210336810 U CN 210336810U
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Abstract
The utility model discloses a forced feeding device of a plastic extruder of a three-layer co-extrusion production line, which comprises a feeding hopper, wherein the bottom of the feeding hopper is provided with a blanking hole; the conveying cylinder is provided with a material inlet, a conveying channel and a material outlet which are sequentially communicated, and the material inlet is communicated with the blanking port; the feeding screw is rotatably arranged on the conveying channel; the driving mechanism is in transmission connection with the feeding screw; the feeding barrel is provided with a feeding hole, a discharging channel and a discharging hole which are communicated in sequence, and the feeding hole is communicated with the material outlet; the seasoning plate is arranged in the feeding barrel and is positioned on the feeding channel, the feeding channel is divided into two parts with different areas by the seasoning plate, and the sectional area of the part of the feeding channel close to the feeding port is larger than that of the part of the feeding channel far away from the feeding port. Therefore, the virtual position on the discharging channel is avoided, the material discharging at the feeding port of the machine barrel of the plastic extruder is more uniform, the material feeding section of the extruding screw of the extruder is stable in material feeding, and the yield of the plastic extruder is improved.
Description
Technical Field
The utility model relates to a HDPE three-layer is crowded technical field altogether, in particular to three-layer is crowded production line plastics extruder's forced feeding device altogether.
Background
The plastic extruder generally comprises an extruder head, an extruder barrel, an extrusion screw, a forced feeding device and a main motor, wherein the extruder head is installed on a discharge port of the extruder barrel, the extrusion screw is installed in the extruder barrel and is driven by the main motor to rotate at a high speed, the forced feeding device generally comprises a feeding hopper, a material conveying barrel, a feeding screw, a feeding motor and a discharging barrel, the discharging barrel is installed at the feed port of the extruder barrel, the discharging barrel is communicated with the material conveying barrel, the feeding screw is installed in the material conveying barrel and is driven by the feeding motor to rotate, the feeding screw is used for conveying material particles entering the material conveying barrel to the discharging barrel, the material conveying barrel is communicated with the feeding hopper, and the material particles fall into the material conveying barrel through a blanking port at the lower part. When the plastic extruder is used for extrusion molding operation, the extrusion screw rod which runs at a high speed shears and melts material particles in the extruder barrel to form a material melt, so that the extruder head can extrude products conveniently.
When feeding, as shown in fig. 1-2, in a conventional plastic extruder, because the blanking channel 252 of the blanking barrel 25 of the forced feeding device has an empty position during blanking, that is, there is a continuous falling of material on the blanking channel at the side far from the outlet of the feeding barrel 25, and there is no material falling on the blanking channel at the side near the outlet of the feeding barrel 25, then the material only flows to the extrusion screw a when reaching the feeding port 121, only part of the material is filled on the extrusion screw, and there is no material filling at the extrusion screw b, which results in uneven blanking at the feeding port 121 of the extrusion barrel 12, and the feeding section of the extrusion screw 13 is not full, so that the extrusion screw 13 has idle friction with respect to the extrusion barrel 12, generates abnormal sound, and unstable feeding, and the output of the plastic extruder is difficult to be improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a feed more even three-layer co-extrusion production line plastic extruder's forced feeding device.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
a forced feeding device of a plastic extruder of a three-layer co-extrusion production line comprises:
a blanking port is arranged at the bottom of the feeding hopper;
the conveying cylinder is provided with a material inlet, a conveying channel and a material outlet which are sequentially communicated, and the material inlet is communicated with the blanking port;
the feeding screw is rotatably arranged in the material conveying cylinder and is positioned on the material conveying channel;
the driving mechanism is in transmission connection with the feeding screw and can drive the feeding screw to rotate;
the feeding barrel is provided with a feeding hole, a feeding channel and a discharging hole which are sequentially communicated, the feeding hole is communicated with the material outlet, and the discharging hole is communicated with a feeding hole of a machine barrel of the plastic extruder;
the feeding device is characterized in that a seasoning plate is arranged in the feeding barrel and is positioned on the feeding channel, the seasoning plate divides the feeding channel into two parts with different sectional areas, and the sectional area of the part of the feeding channel close to the feeding port is larger than that of the part of the feeding channel far away from the feeding port.
In the above technical solution, preferably, the blanking channel has an axial lead passing through the blanking channel, the seasoning board and the axial lead are arranged in an inclined manner, and the upper end of the seasoning board is far away from the feeding port.
In the above technical solution, preferably, the seasoning plate is mounted on the discharging barrel through a rotating shaft, and the other end of the rotating shaft is connected with an adjusting hand wheel for driving the rotation angle of the seasoning plate.
In the above technical solution, preferably, a stirrer is installed in the feeding hopper, and the driving mechanism is in transmission connection with the stirrer.
In the above technical solution, preferably, the driving mechanism includes a feeding motor, a first gear and a second gear mounted on a shaft end of the feeding motor, and a third gear mounted on the feeding screw, the first gear and the third gear are engaged with each other, the agitator includes an agitating impeller and a transmission shaft, one end of the transmission shaft is fixed to the agitating impeller, the other end is mounted with a fourth gear, and the second gear and the fourth gear are engaged with each other.
In the above technical solution, preferably, at least a portion of the feed cylinder is transparent.
The utility model discloses a set up the seasoning plate in lower feed cylinder, the seasoning plate is located the unloading passageway, two parts that the sectional area is not of uniform size are separated into with the unloading passageway to the seasoning plate, and the sectional area of the part unloading passageway that is close to the feed inlet is greater than the sectional area of the part unloading passageway of keeping away from the feed inlet to be difficult for appearing virtual position on the unloading passageway of lower feed cylinder, make the material blanking of plastics extruder barrel feed inlet department more even, the extruder is extruded screw rod feeding section and is eaten the material stably, plastics extruder output can improve.
Drawings
FIG. 1 is a schematic view of a prior art forced feeding device installed on a plastic extruder;
FIG. 2 is an enlarged partial schematic view at A of FIG. 1;
fig. 3 is a schematic structural diagram of the present invention;
FIG. 4 is a schematic view of the structure of the present invention installed on a plastic extruder;
FIG. 5 is an enlarged partial schematic view at B in FIG. 4;
wherein, 1, a plastic extruder; 11. extruding a machine head; 12. an extruder barrel; 121. a feeding port; 13. extruding a screw; 14. a main motor; 2. a forced feeding device; 21. a feeding hopper; 211. a blanking port; 22. a delivery cylinder; 221. a material inlet; 222. a material conveying channel; 223. a material outlet; 23. a feed screw; 24. a drive mechanism; 241. a feeding motor; 242. a first gear; 243. a second gear; 244. a third gear; 245. a fourth gear; 25. feeding the material barrel; 251. a feed inlet; 252. a blanking channel; 253. a discharge port; 254. an axis z; 26. a seasoning plate; 261. a rotating shaft; 27. a stirrer; 271. a stirring impeller; 272. a drive shaft.
Detailed Description
To explain the technical content, structural features, achieved objects and functions of the present invention in detail, the following detailed description is made with reference to the accompanying drawings. Wherein, HDPE means high density polyethylene, the utility model discloses mainly used HDPE three-layer is crowded production line altogether.
As shown in fig. 3, the forced feeding device of the present invention includes a feeding hopper 21, a feeding cylinder 22, a feeding screw 23, a driving mechanism 24, a discharging cylinder 25 and a material mixing plate 26. The bottom of the feeding hopper 21 is provided with a blanking port 211. The material delivery cylinder 22 is provided with a material inlet 221, a material delivery channel 222 and a material outlet 223 which are sequentially communicated, and the material inlet 221 is communicated with the blanking port 211. The feeding screw 23 is rotatably disposed in the feed cylinder 22 and located on the feed passage 222. The driving mechanism 24 is in transmission connection with the feeding screw 23 and can drive the feeding screw 23 to rotate. Specifically, a stirrer 27 is installed in the feeding hopper 21, and the driving mechanism 24 is in transmission connection with the stirrer 27. The driving mechanism 24 comprises a feeding motor 241, a first gear 242 and a second gear 243 which are arranged on the shaft ends of the feeding motor 241, and a third gear 244 which is arranged on the feeding screw 23, wherein the first gear 242 and the third gear 244 are mutually meshed, the stirrer 27 comprises a stirring impeller 271 and a transmission shaft 272, one end part of the transmission shaft 272 is fixed with the stirring impeller 271, the other end part is provided with a fourth gear 245, and the second gear 243 and the fourth gear 245 are mutually meshed. The feeding barrel 25 is provided with a feeding hole 251, a blanking channel 252 and a discharging hole 253 which are communicated in sequence, wherein the feeding hole 251 is communicated with the material outlet 223, and the discharging hole 253 is communicated with the feeding hole 121 of the extruder barrel 12. Referring to fig. 4, the seasoning plate 26 is disposed in the feeding barrel 25 and on the feeding channel 252, the seasoning plate 26 divides the feeding channel 252 into two parts with different cross-sectional areas, and the cross-sectional area of the feeding channel 252 near the feeding port 251 is larger than that of the feeding channel 252 far from the feeding port 251. Specifically, the blanking channel 252 has a shaft axis z254 passing through the blanking channel 252, the seasoning plate 26 is disposed obliquely to the shaft axis z254, and the upper end of the seasoning plate 26 is far away from the feeding hole 251. The seasoning plate 26 is mounted on the lower barrel 25 through a rotation shaft 261, and an adjustment hand wheel for driving the rotation angle of the seasoning plate 26 is connected to the other end of the rotation shaft 261.
Therefore, the feeding motor 241 can drive the feeding screw 23 and the stirring impeller 271 to rotate together, a user feeds plastic particles through the feeding hopper 21, the plastic particles are stirred and discharged through the stirring impeller 271, the material particles entering the material conveying cylinder 22 are forcibly conveyed into the discharging cylinder 25 through the feeding screw 23, the seasoning plate 26 is driven to rotate through the adjusting hand wheel, the material particles entering the discharging cylinder 25 are under the shunting action of the seasoning plate 26, namely the seasoning plate 26 at the position has the function of changing the flowing direction of the material particles, so that part of the material particles flow to the discharging channel 252 on one side of the discharging cylinder 25 close to the feeding port 251, and the defect of a virtual position in the discharging process of the original discharging cylinder is eliminated; the feeding section of the extrusion screw is full of materials, abnormal sound generated by the fact that the feeding section of the extrusion screw cannot eat the materials is eliminated, idle running abrasion of the extrusion screw is reduced, and the service life of the extrusion screw is prolonged; finally, the output of the plastic extruder is improved.
In order to facilitate the observation of the internal blanking condition of the lower charging barrel 25 and to facilitate the adjustment of the rotation angle of the material mixing plate 26, so that the material consumption of the extrusion screw of the plastic extruder is stable, the lower charging barrel 25 is at least partially transparent.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. A forced feeding device of a plastic extruder of a three-layer co-extrusion production line comprises:
a feeding hopper (21) with a blanking port (211) at the bottom;
the conveying cylinder (22) is provided with a material inlet (221), a conveying channel (222) and a material outlet (223) which are sequentially communicated, and the material inlet (221) is communicated with the blanking port (211);
the feeding screw rod (23) is rotatably arranged in the material conveying cylinder (22) and is positioned on the material conveying channel (222);
the driving mechanism (24) is in transmission connection with the feeding screw (23) and can drive the feeding screw (23) to rotate;
the feeding barrel (25) is provided with a feeding hole (251), a feeding channel (252) and a discharging hole (253) which are communicated in sequence, the feeding hole (251) is communicated with the material outlet (223), and the discharging hole (253) is communicated with a feeding hole of a plastic extruder barrel; it is characterized in that the preparation method is characterized in that,
the feeding barrel (25) is internally provided with a material mixing plate (26), the material mixing plate (26) is positioned on the blanking channel (252), the material mixing plate (26) divides the blanking channel (252) into two parts with different cross-sectional areas, and the cross-sectional area of the part of the blanking channel (252) close to the feeding port (251) is larger than that of the part of the blanking channel (252) far away from the feeding port (251).
2. The forced feeding device of the plastic extruder of the three-layer co-extrusion production line according to claim 1, which is characterized in that: the blanking channel (252) is provided with a shaft axis (254) penetrating through the blanking channel (252), the material mixing plate (26) and the shaft axis (254) are arranged in an inclined mode, and the upper end portion of the material mixing plate (26) is far away from the feeding hole (251).
3. The forced feeding device of the plastic extruder of the three-layer co-extrusion production line according to claim 1, which is characterized in that: the seasoning plate (26) is arranged on the lower charging barrel (25) through a rotating shaft (261), and the other end of the rotating shaft (261) is connected with an adjusting hand wheel for driving the rotating angle of the seasoning plate (26).
4. The forced feeding device of the plastic extruder of the three-layer co-extrusion production line according to claim 1, which is characterized in that: a stirrer (27) is arranged in the feeding hopper (21), and the driving mechanism (24) is in transmission connection with the stirrer (27).
5. The forced feeding device of the plastic extruder of the three-layer co-extrusion production line according to claim 4, characterized in that: the driving mechanism (24) comprises a feeding motor (241), a first gear (242) and a second gear (243) which are arranged on the shaft end of the feeding motor (241), and a third gear (244) which is arranged on the feeding screw (23), wherein the first gear (242) is meshed with the third gear (244), the stirrer (27) comprises a stirring impeller (271) and a transmission shaft (272), one end part of the transmission shaft (272) is fixed with the stirring impeller (271), the other end part of the transmission shaft is provided with a fourth gear (245), and the second gear (243) is meshed with the fourth gear (245).
6. The forced feeding device of the plastic extruder of the three-layer co-extrusion production line according to claim 1, which is characterized in that: the discharging barrel (25) is at least partially transparent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921430765.3U CN210336810U (en) | 2019-08-30 | 2019-08-30 | Forced feeding device of plastic extruder of three-layer co-extrusion production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921430765.3U CN210336810U (en) | 2019-08-30 | 2019-08-30 | Forced feeding device of plastic extruder of three-layer co-extrusion production line |
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| CN210336810U true CN210336810U (en) | 2020-04-17 |
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| CN201921430765.3U Active CN210336810U (en) | 2019-08-30 | 2019-08-30 | Forced feeding device of plastic extruder of three-layer co-extrusion production line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787698A (en) * | 2021-08-12 | 2021-12-14 | 苏应学 | High-pressure plastic extruding machine |
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2019
- 2019-08-30 CN CN201921430765.3U patent/CN210336810U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787698A (en) * | 2021-08-12 | 2021-12-14 | 苏应学 | High-pressure plastic extruding machine |
| CN113787698B (en) * | 2021-08-12 | 2023-12-12 | 惠州市华鑫装饰材料有限公司 | High-pressure extrusion molding machine |
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