CN220548663U - Feeding device of double-screw extruder - Google Patents
Feeding device of double-screw extruder Download PDFInfo
- Publication number
- CN220548663U CN220548663U CN202321326511.3U CN202321326511U CN220548663U CN 220548663 U CN220548663 U CN 220548663U CN 202321326511 U CN202321326511 U CN 202321326511U CN 220548663 U CN220548663 U CN 220548663U
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- Prior art keywords
- feeding
- discharge gate
- control unit
- display screen
- charging tube
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- 239000000463 material Substances 0.000 claims description 10
- 241000883990 Flabellum Species 0.000 claims description 9
- 230000001012 protector Effects 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 239000002994 raw material Substances 0.000 abstract description 10
- 238000001125 extrusion Methods 0.000 description 14
- 238000007599 discharging Methods 0.000 description 8
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The field, including adding feed bin and discharge gate, the top of adding the feed bin is provided with the apron, is provided with the display screen on the apron, is provided with spiral charging tube between apron and the discharge gate, and spiral charging tube's bottom is provided with the shaft, and one side of adding the feed bin is provided with control unit and powerful motor, and shaft and display screen are connected with control unit, and powerful motor is connected with spiral charging tube, and the discharge gate sets up in the bottom of adding the feed bin, and the below of discharge gate is connected with the charging tube, and the other end setting of charging tube is in the top of extruding the screw rod, and the screw rod is connected with the motor. According to the feeding device of the double-screw extruder, the display screen is provided with the feeding time and the feeding quantity, and the rotation speed and the rotation angle of the wheel shaft and the fan blades are controlled by the control unit, so that accurate control is realized, the power supply is automatically cut off when the raw materials in the storage barrel are excessive, and equipment is protected.
Description
Technical Field
The utility model relates to the technical field of material extruders, in particular to a feeding device of a double-screw extruder.
Background
With the continuous development and technical progress of material extrusion molding machines, particularly the wide application of screw type plastic and rubber plastic extruders, the corresponding technical requirements on the feeding device of the extrusion molding machine are also higher and higher, because the feeding device of the extrusion molding machine is directly related to the quality and the working efficiency of processed and manufactured products. In the prior art, the existing screw extruder mainly adopts single screw, double screw and multi screw extruder composed of extruder body, extruder motor, extruder charging barrel, charging hopper, extruding screw, speed reducer, etc., the materials such as polymer added in the extruder usually adopts gravity blanking mode, the materials in the hopper enter the screw groove of the extruding screw charging section by self weight, the materials are continuously extruded into the barrel by screw rotation and pushed towards the outlet direction, many special screw extruders realize the purposes of increasing yield and reducing energy consumption by increasing the revolution of the extruder, but limited by the structure of the existing extruder, in actual processing operation, some materials such as PE80 grade raw materials are sheet materials with smooth appearance, the screw groove of the extruding screw feeding section of the existing extruder is relatively shallow, and the gravity feeding efficiency is obviously reduced due to larger centrifugal force generated when the extruding screw rotates at high speed, thereby further influencing the processing efficiency of the extruder, the structure design of the charging device is unreasonable, the effect is poor, the application is limited, and the practical use is inconvenient. In order to meet the continuous development requirement of extrusion molding machinery, a novel feeding device of an extrusion molding machine is required to be further improved and continuously developed, CN208247403U discloses a screw type forced feeding device of an extruder, an adopted screw type forced feeding mechanism comprises a forced feeding screw rod and a forced feeding driving motor, the forced feeding driving motor is connected to a top cover of a hopper body of the extruder, an output shaft of the forced feeding driving motor is connected with the forced feeding screw rod, the forced feeding screw rod is connected to a feeding hopper of the extruder, the bottom of the forced feeding screw rod is correspondingly connected with a feeding hole of a charging barrel of the extruder, an extrusion screw rod speed measuring generator is connected to a speed reducer of the extruder, an electric appliance controller comprises an extruder motor regulation and control system and a forced feeding driving motor regulation and control system, and the electric appliance controller is respectively provided with an electric wire connection and controls the extruder motor, the extrusion screw rod speed measuring generator and the forced feeding driving motor.
Therefore, a feeding device of a double-screw extruder is provided to solve the problems.
Disclosure of Invention
The utility model aims to provide a feeding device of a double-screw extruder, wherein a display screen is provided with feeding time and feeding quantity, and a control unit is used for controlling the rotation rate and the rotation angle of a wheel shaft and fan blades, so that accurate control is realized, a power supply is automatically cut off when excessive raw materials exist in a storage barrel, and equipment is protected.
In order to achieve the above purpose, the utility model provides a feeding device of a double-screw extruder, which comprises a feeding bin and a discharging hole, wherein a cover plate is arranged at the top of the feeding bin, a display screen is arranged on the cover plate, a screw feeding pipe is arranged between the cover plate and the discharging hole, a wheel shaft is arranged at the bottom end of the screw feeding pipe, a control unit and a powerful motor are arranged at one side of the feeding bin, the wheel shaft and the display screen are connected with the control unit, the powerful motor is connected with the screw feeding pipe, the discharging hole is arranged at the bottom of the feeding bin, the lower part of the discharging hole is connected with the feeding pipe, the other end of the feeding pipe is arranged above an extrusion screw, and the extrusion screw is connected with the motor.
Preferably, a plurality of fan blades are arranged on the outer side of the wheel shaft, the fan blades are made of soft silica gel, the fan blades are arc-shaped, a height sensor is arranged in the feeding bin, and the height sensor is connected with the control unit.
Preferably, the control unit controls the rotation frequency and the rotation angle of the wheel shaft and the fan blades, the control unit adjusts through the display screen, a speed adjusting key, a feeding adjusting key and a reservation key are arranged on the display screen, the speed adjusting key controls the rotation frequency, the feeding adjusting key controls the discharge amount of the discharge port, and the reservation key reserves the feeding amount and the rotation frequency according to time.
Preferably, the height sensor comprises a lowest limit sensor and a highest limit sensor, the highest limit sensor and the lowest limit sensor are connected with a power supply protector, and the power supply protector is connected with the powerful motor.
Preferably, the discharge hole is arranged in a circular structure, and the expansion diameter of the fan blade is larger than the diameter of the discharge hole.
Therefore, the feeding device of the double-screw extruder has the following beneficial effects:
(1) According to the utility model, a wheel shaft is additionally arranged, a plurality of arc-shaped blades made of soft silica gel are arranged on the outer side of the wheel shaft, raw materials are driven to a discharge hole by rotation of the blades, and the blades reach the upper part of an extrusion screw rod through a feeding pipe.
(2) The utility model is additionally provided with the highest limit sensor and the lowest limit sensor, and the protection device cuts off the power supply in time when the fault occurs.
(3) The control unit is connected with the display screen, the display screen is provided with a speed adjusting key, a feeding adjusting key and a reservation key, the speed adjusting key controls the rotation frequency, the feeding adjusting key controls the discharge amount, and the reservation key reserves the feeding amount and the rotation frequency according to time, so that automation is realized.
(4) The spiral feeding pipe is connected with a powerful motor, and the powerful motor provides power for the operation of the spiral feeding pipe.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a front view of a twin screw extruder feed apparatus of the present utility model;
FIG. 2 is a top view of a display screen of a twin screw extruder feed apparatus of the present utility model;
reference numerals
1. The cover plate, 101, display screen; 102. a speed adjustment key; 103. a charging adjusting key; 104. a reservation key; 2. a screw feeding tube; 3. a feeding bin; 31. a highest limit sensor; 32. a lowest limit sensor; 4. a wheel axle; 41. a fan blade; 5. a discharge port; 6. a feeding tube; 7. extruding a screw; 8. and a motor.
Detailed Description
The technical scheme of the utility model is further described below through the attached drawings and the embodiments.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
As shown in fig. 1-2, the feeding bin comprises a feeding bin 3 and a discharging hole 5, wherein a cover plate 1 is arranged at the top of the feeding bin 3, a display screen 101 is arranged on the cover plate 1, a spiral feeding pipe 2 is arranged between the cover plate 1 and the discharging hole 5, the spiral feeding pipe 2 is vertically arranged in the feeding bin 3, a wheel shaft 4 is arranged at the bottom end of the spiral feeding pipe 2, a control unit and a powerful motor are arranged on one side of the feeding bin 3, the wheel shaft 4 and the display screen 101 are connected with the control unit, the powerful motor is connected with the spiral feeding pipe 2, the discharging hole 5 is arranged at the bottom of the feeding bin 3, the lower part of the discharging hole 5 is connected with a feeding pipe 6, the other end of the feeding pipe 6 is arranged above an extrusion screw 7, and the extrusion screw 7 is connected with a motor 8.
The outside of shaft 4 is provided with a plurality of flabellum 41, and flabellum 41 sets up to soft silica gel material, and flabellum 41 sets up to the arc, is provided with the altitude sensor in the reinforced storehouse 3, and the altitude sensor is connected with the control unit. The height sensor comprises a lowest limit sensor 32 and a highest limit sensor 31, wherein the highest limit sensor 31 and the lowest limit sensor 32 are connected with a power supply protector, and the power supply protector is connected with a powerful motor. And when a fault occurs, the power supply is cut off in time, and the device is protected.
The control unit controls the rotation frequency and the rotation angle of the wheel shaft 4 and the fan blades 41, the discharge hole 5 is arranged into a circular structure, and the unfolding diameter of the fan blades 41 is larger than the diameter of the discharge hole 5. The control unit adjusts through display screen 101, is provided with speed adjustment button 102, reinforced regulation button 103 and reservation button 104 on the display screen 101, and speed adjustment button 102 control rotation frequency, reinforced regulation button 103 control the discharge amount of discharge gate 5, and reservation button 104 is according to time reservation reinforced volume and rotation frequency.
The specific implementation steps are as follows: the powerful motor and the apron are opened, the raw materials are poured into, the raw materials get into the feeding bin 3 through spiral filling tube 2, raw materials adhesion is avoided to spiral filling tube 2, through speed adjustment button 102 on the display screen 101, reinforced adjustment button 103 and reservation button 104, speed adjustment button 102 control rotation frequency, reinforced adjustment button 103 control discharge amount, reservation button 104 is according to time reservation feed amount and rotation frequency, shaft 4 and flabellum 41 dial the raw materials into discharge gate 5, discharge gate 5 sets up to circular structure, the expansion diameter of flabellum 41 is greater than the diameter of discharge gate 5, the raw materials in the discharge gate 5 get into extrusion screw 7 through filling tube 6, open motor 8, extrusion screw 7 begins work.
Therefore, the feeding device of the double-screw extruder is adopted, the display screen is provided with the feeding time and the feeding quantity, and the rotation speed and the rotation angle of the wheel shaft and the fan blades are controlled by the control unit, so that the accurate control is realized, the power supply is automatically cut off when the raw materials in the storage barrel are excessive, and the equipment is protected.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.
Claims (5)
1. A twin-screw extruder feeding device, its characterized in that: including adding feed bin and discharge gate, the top in feed bin is provided with the apron, be provided with the display screen on the apron, the apron with be provided with spiral charging tube between the discharge gate, spiral charging tube's bottom is provided with the shaft, one side in feed bin is provided with control unit and powerful motor, the shaft with the display screen with control unit connects, powerful motor with spiral charging tube connects, the discharge gate sets up the bottom in feed bin, the below and the charging tube connection of discharge gate, the other end setting of charging tube is in the top of extruding the screw rod, it is connected with the motor to extrude the screw rod.
2. A twin screw extruder feed apparatus as defined in claim 1, wherein: the outside of shaft is provided with a plurality of flabellums, the flabellum sets up to soft silica gel material, the flabellum sets up to the arc, be provided with the altitude sensor in the material adding bin, the altitude sensor with the control unit is connected.
3. A twin screw extruder feed apparatus as defined in claim 2, wherein: the control unit controls the rotation frequency and the rotation angle of the wheel shaft and the fan blades, the control unit adjusts through the display screen, a speed adjusting key, a feeding adjusting key and a reservation key are arranged on the display screen, the speed adjusting key controls the rotation frequency, the feeding adjusting key controls the discharge amount of the discharge port, and the reservation key reserves the feeding amount and the rotation frequency according to time.
4. A twin screw extruder feed apparatus as defined in claim 2, wherein: the height sensor comprises a lowest limit sensor and a highest limit sensor, the highest limit sensor and the lowest limit sensor are connected with a power supply protector, and the power supply protector is connected with the powerful motor.
5. A twin screw extruder feed apparatus as defined in claim 2, wherein: the discharge gate sets up to circular structure, the expansion diameter of flabellum is greater than the diameter of discharge gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321326511.3U CN220548663U (en) | 2023-05-29 | 2023-05-29 | Feeding device of double-screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321326511.3U CN220548663U (en) | 2023-05-29 | 2023-05-29 | Feeding device of double-screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220548663U true CN220548663U (en) | 2024-03-01 |
Family
ID=90009016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321326511.3U Active CN220548663U (en) | 2023-05-29 | 2023-05-29 | Feeding device of double-screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220548663U (en) |
-
2023
- 2023-05-29 CN CN202321326511.3U patent/CN220548663U/en active Active
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