CN211105487U - Feeding and mixing device of plastic extruder - Google Patents
Feeding and mixing device of plastic extruder Download PDFInfo
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- CN211105487U CN211105487U CN201921070690.2U CN201921070690U CN211105487U CN 211105487 U CN211105487 U CN 211105487U CN 201921070690 U CN201921070690 U CN 201921070690U CN 211105487 U CN211105487 U CN 211105487U
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- stirring vane
- mixing
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- shaft
- staving
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Abstract
The utility model provides a plastics extruder pay-off compounding device, includes: screw feeder, compounding bucket, horizontal (mixing) shaft, the oblique flange that sets up of two at least slopes of staving lateral wall upper portion equipartitions of compounding bucket, screw feeder one end is connected with the oblique flange of putting, and the other end is connected with the pay-off motor, be equipped with the hopper on the screw feeder, lower part in the compounding bucket is arranged in to horizontal (mixing) shaft tie, and horizontal (mixing) shaft one end is connected with agitator motor, sets up a plurality of stirring vane on the horizontal (mixing) shaft. The utility model discloses a modular design, simple structure, good reliability, it is convenient to maintain, and the feeding volume of each component material can accurate control, horizontal (mixing) shaft and stirring vane's setting is put to unique flange and the design of feed inlet to one side for the material stirring is abundant, the layering phenomenon can not appear.
Description
Technical Field
The utility model relates to a pay-off compounding device's technical field especially relates to a plastics extruder pay-off compounding device.
Background
In the extrusion process of plastic product production, in order to further reduce material cost and carbon emission, plastic slices and raw material particles which are waste products in the process need to be mixed by a feeding and mixing device and then fed into a cylinder of an extruder for recycling.
In the ordinary feeding and mixing device, a screw feeder is horizontally arranged, the section of a discharge port is a plane, when a screw stops rotating, materials in a screw groove still scatter into a mixing barrel from the discharge port due to gravity or screw shaking and the like, and the feeding amount of each component material such as plastic slices, raw material particles and the like is difficult to accurately control. Simultaneously, because the stirring shaft is vertical to be placed among the ordinary pay-off compounding device, at compounding stirring in-process, it is not good often to take place plastics section and raw materials granule mixing effect, appears the phenomenon that different materials are stratified, and then influences the quality of extruding plastics sheet.
Disclosure of Invention
To the problem that above-mentioned exists, the utility model provides a plastics extruder pay-off compounding device to solve among the prior art screw feeder feed volume not accurate, multiple material mixing effect scheduling problem not good.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows.
The utility model provides a plastics extruder pay-off compounding device, includes: screw feeder, compounding bucket, horizontal (mixing) shaft, the oblique flange that sets up of two at least slopes of staving lateral wall upper portion equipartitions of compounding bucket, screw feeder one end is connected with the oblique flange of putting, and the other end is connected with the pay-off motor, be equipped with the hopper on the screw feeder, lower part in the compounding bucket is arranged in to horizontal (mixing) shaft tie, and horizontal (mixing) shaft one end is connected with agitator motor, sets up a plurality of stirring vane on the horizontal (mixing) shaft.
The discharge port of the inclined flange is arranged inside the barrel body, and the section of the discharge port is an inclined plane.
Every two stirring vane of stirring vane are a set of, and two stirring vane of every group set up respectively in horizontal (mixing) shaft both sides, and two stirring vane use the nodical of stirring vane and horizontal (mixing) shaft to be central symmetry setting as the center, stirring vane's group number is the even number, and the axial interval between each stirring vane of group equals, and each stirring vane of group distributes according to the double helix and sets up.
Stirring vane includes left stirring vane on the left side of staving axis and the right stirring vane on staving axis right side, and left stirring vane equals with right stirring vane's quantity, and stirring vane surface arc is crooked, and left stirring vane is opposite with right stirring vane's crooked direction, and the crooked concave surface of stirring vane surface arc is towards the staving axis.
The included angle between the axial line of the inclined flange and the axial line of the barrel body is α, 100≤α≤800。
The top of the barrel body of the mixing barrel is also provided with a dust cover, the middle part of the side wall of the barrel body is provided with a transparent observation window, a magnetic frame is arranged above the horizontal stirring shaft inside the barrel body, and a material level switch is arranged on the side wall of the barrel body between the magnetic frame and the horizontal stirring shaft.
The utility model discloses the during operation, slice plastics, the raw materials granule sends into the screw feeder through the hopper respectively, start the pay-off motor, according to the ratio demand of material, adjust the rotational speed of pay-off motor, the screw feeder rotates and slices plastics, the raw materials granule sends into the compounding bucket through the feed inlet, because the discharge gate cross-section of putting the flange to one side slope setting and putting the flange to one side is the inclined plane, when the pay-off motor stall, the plastics is sliced, the raw materials granule can not continue to drop in the compounding bucket because of reasons such as gravity or screw rod shake, consequently can the accurate control plastics slice, the feed volume of different materials such as raw materials granule.
Agitator motor starts, it is rotatory to drive horizontal (mixing) shaft, the stirring vane who sets up on horizontal (mixing) shaft also rotates thereupon, because stirring vane distributes along two spirals on horizontal (mixing) shaft and sets up, it is opposite with the right stirring vane bending direction who arranges the staving axis right side in to arrange left stirring vane on the staving axis in, the crooked concave surface of stirring vane surface arc is towards the staving axis, the plastics section, the raw materials granule passes in the middle of the staving from staving both sides under stirring vane's drive, the material can intensive mixing and mix, it is effectual to mix.
The utility model discloses the staving top of compounding bucket is equipped with the shield, the inside horizontal (mixing) shaft top of staving sets up the magnetic frame, can effectively prevent the dust, foreign matters such as iron fillings sneak into the material, and simultaneously, be provided with the material level switch between magnetic frame and the horizontal (mixing) shaft on the staving lateral wall, when the position of material arrival material level switch in the staving, material level switch signals, the pay-off motor stop work, the screw feeder stops the pay-off, guarantee that the material in the staving can obtain intensive mixing, staving lateral wall middle part is equipped with transparent observation window, the real-time supervision of being convenient for, in time handle unusual.
The utility model discloses a modular design, simple structure, good reliability, it is convenient to maintain, and the feeding volume of each group's material can be accurately controlled in the design of unique flange of putting to one side and feed inlet, horizontal (mixing) shaft and stirring vane's setting for the material stirring is abundant, the layering phenomenon can not appear.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the mixing barrel of the present invention;
FIG. 3 is a schematic view of the three-dimensional structure of the horizontal stirring shaft and the stirring blades of the present invention;
fig. 4 is a schematic view of the stirring blade of the present invention.
Wherein: 1. a screw feeder; 2. a mixing barrel; 3. a horizontal stirring shaft; 4. a hopper; 5. a feeding motor; 6. a stirring motor; 21. a dust cover; 22. obliquely placing a flange; 23. a barrel body; 24. a transparent viewing window; 25. a magnetic frame; 26. a material level switch; 27. a discharge port; 31. a stirring blade; 311. a left stirring blade; 312. and a right stirring blade.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
As shown in fig. 1, 2 and 3, the feeding and mixing device of the plastic extruder comprises a screw feeder 1, a mixing barrel 2 and a horizontal stirring shaft 3, wherein two obliquely arranged inclined flanges 22 are uniformly distributed on the upper part of the side wall of a barrel body 23 of the mixing barrel 2, a discharge port 27 of each inclined flange 22 is arranged in the barrel body 23, the section of each discharge port 27 is an inclined surface, and the included angle between the axial line of each inclined flange 22 and the axial line of the barrel body 23 is α =700. One end of the screw feeder 1 is connected with the inclined flange 22, the other end of the screw feeder is connected with the feeding motor 5, the hopper 4 is arranged above the screw feeder 1, the horizontal stirring shaft 3 is horizontally arranged at the bottom in the mixing barrel 2, one end of the horizontal stirring shaft 3 is connected with the stirring motor 6, and four groups of stirring blades 31 are arranged on the horizontal stirring shaft 3.
As shown in fig. 4, the four sets of stirring vanes 31 are equally spaced in the axial direction.
As shown in fig. 3, every two stirring blades 31 are in one group, two stirring blades 31 in each group are respectively disposed on two sides of the horizontal stirring shaft 3, two stirring blades 31 are disposed in central symmetry with the intersection point of the stirring blades 31 and the horizontal stirring shaft 3 as the center, and each group of stirring blades 31 is disposed on the horizontal stirring shaft 3 along a double helix.
As shown in FIG. 4, the stirring blades 31 include left stirring blades 311 on the left side of the axis of the barrel 23 and right stirring blades 312 on the right side of the axis of the barrel 23, and the number of the left stirring blades 311 is equal to that of the right stirring blades 312. The surface of the stirring blade 31 is arcuately curved, the left stirring blade 311 is curved in the opposite direction to the right stirring blade 312, and the concavity of the arcuately curved surface of the stirring blade 31 faces the axis of the tub 23.
As shown in fig. 2, the top of the barrel body 23 of the mixing barrel 2 is further provided with a dust cover 21, the middle part of the side wall of the barrel body 23 is provided with a transparent observation window 24, a magnetic frame 25 is arranged above the horizontal stirring shaft 3 inside the barrel body 23, and a material level switch 26 is arranged on the side wall of the barrel body 23 between the magnetic frame 25 and the horizontal stirring shaft 3.
The utility model discloses the during operation, send into two screw rod feeders 1 respectively with plastics section, raw materials granule through two hoppers 4, start feeding motor 5, according to the ratio demand of material, adjust two feeding motor 5's rotational speed respectively, two screw rod feeders 1 rotate and send into compounding bucket 2 with plastics section, raw materials granule through two feed inlets 27 respectively, because the slope of oblique flange 22 sets up, the contained angle of oblique flange 22 axis and staving 23 axis is α =700The section of the discharge port 27 of the inclined flange 22 is an inclined plane, when the feeding motor 5 stops rotating, plastic slices and raw material particles cannot continuously fall into the mixing barrel 2 due to gravity or screw shaking and the like, and therefore the feeding amount of different materials such as the plastic slices and the raw material particles can be accurately controlled.
Stirring motor 6 starts, it is rotatory to drive horizontal (mixing) shaft 3, stirring vane 31 of setting on horizontal (mixing) shaft 3 also rotates thereupon, because stirring vane 31 distributes along two spirals on horizontal (mixing) shaft 3 and sets up, the axial interval between four group's stirring vane 31 equals, it is opposite with the crooked direction of right stirring vane 312 of placing staving 23 axis right side in left stirring vane 311 of staving 23 axis in placing, stirring vane 31 curved concave surface of surface arc is towards staving 23 axis, the plastics section, the raw materials granule is passed to the centre from staving 23 both sides under stirring vane 31's drive, the material can intensive mixing and mix, the mixed effect is better.
The utility model discloses 23 tops of staving of compounding bucket 2 are equipped with shield 21, 3 tops of the inside horizontal (mixing) shaft of staving 23 set up magnetic frame 25, can effectively prevent the dust, foreign matters such as iron fillings sneak into the material, and simultaneously, be provided with material level switch 26 between magnetic frame 25 and the horizontal (mixing) shaft 3 on the staving 23 lateral wall, when the material in the staving 23 reaches material level switch 26's position, material level switch 26 sends out the signal, 5 stop work of pay-off motor, screw feeder 1 stops the pay-off, guarantee that the material in the staving 23 can obtain intensive mixing, staving 23 lateral wall middle part is equipped with transparent observation window 24, the real-time observation of being convenient for, in time handle unusual.
The utility model discloses a modular design, simple structure, good reliability, it is convenient to maintain, and unique flange and feed inlet's design of putting to one side can accurate control each component material feeding volume, horizontal (mixing) shaft and stirring vane's setting for the material stirring is abundant, the layering phenomenon can not appear.
Claims (6)
1. The utility model provides a plastics extruder pay-off compounding device, includes: screw feeder (1), compounding bucket (2), horizontal (mixing) shaft (3), its characterized in that: staving (23) lateral wall upper portion equipartition of compounding bucket (2) put flange (22) to one side that two at least slopes set up, screw feeder (1) one end is connected with putting flange (22) to one side, and the other end is connected with feeding motor (5), be equipped with hopper (4) on screw feeder (1), lower part in compounding bucket (2) is arranged in to horizontal (mixing) shaft (3) tie, and horizontal (mixing) shaft (3) one end is connected with agitator motor (6), sets up a plurality of stirring vane (31) of group on horizontal (mixing) shaft (3).
2. The feeding and mixing device of a plastic extruder as claimed in claim 1, wherein: the discharge port (27) of the inclined flange (22) is arranged inside the barrel body (23), and the section of the discharge port (27) is an inclined plane.
3. The feeding and mixing device of a plastic extruder as claimed in claim 1, wherein: every two of stirring vane (31) are a set of, and two stirring vane (31) of every group set up respectively in horizontal (mixing) shaft (3) both sides, and two stirring vane (31) use the nodical central symmetry setting of stirring vane (31), the group number of stirring vane (31) is the even number, and the axial interval between each stirring vane (31) of group equals, and each stirring vane (31) of group distributes along two spirals on horizontal (mixing) shaft and sets up.
4. The feeding and mixing device of a plastic extruder as claimed in claim 1, wherein: stirring vane (31) include left stirring vane (311) on staving (23) axis left side and right stirring vane (312) on staving (23) axis right side, and left stirring vane (311) is equal with right stirring vane (312)'s quantity, and stirring vane (31) surface arc is crooked, and left stirring vane (311) is opposite with the crooked direction of right stirring vane (312), and the crooked concave surface of stirring vane (31) surface arc is towards staving (23) axis.
5. The feeding and mixing device of the plastic extruder as claimed in claim 1, wherein the included angle between the axis of the inclined flange (22) and the axis of the barrel body (23) is α, 10%0≤α≤800。
6. The feeding and mixing device of a plastic extruder as claimed in claim 1, wherein: staving (23) top of compounding bucket (2) still is equipped with shield (21), and staving (23) lateral wall middle part is equipped with transparent observation window (24), sets up magnetic frame (25) above staving (23) inside horizontal (mixing) shaft (3), is provided with material level switch (26) on the lateral wall of staving (23) between magnetic frame (25) and horizontal (mixing) shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921070690.2U CN211105487U (en) | 2019-07-10 | 2019-07-10 | Feeding and mixing device of plastic extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921070690.2U CN211105487U (en) | 2019-07-10 | 2019-07-10 | Feeding and mixing device of plastic extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211105487U true CN211105487U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921070690.2U Active CN211105487U (en) | 2019-07-10 | 2019-07-10 | Feeding and mixing device of plastic extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211105487U (en) |
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2019
- 2019-07-10 CN CN201921070690.2U patent/CN211105487U/en active Active
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