CN110252225B - Mixer for producing low-density polyurethane composite material - Google Patents
Mixer for producing low-density polyurethane composite material Download PDFInfo
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- CN110252225B CN110252225B CN201910415895.8A CN201910415895A CN110252225B CN 110252225 B CN110252225 B CN 110252225B CN 201910415895 A CN201910415895 A CN 201910415895A CN 110252225 B CN110252225 B CN 110252225B
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- mixing
- mixing box
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- shaft
- box
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- 229920002635 polyurethane Polymers 0.000 title claims abstract description 14
- 239000004814 polyurethane Substances 0.000 title claims abstract description 14
- 239000002131 composite material Substances 0.000 title abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 123
- 238000003756 stirring Methods 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims description 24
- 229920001971 elastomer Polymers 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 238000013329 compounding Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The invention discloses a mixer for producing low-density polyurethane composite materials, which comprises a mixing box, a cover body and a support column, wherein the cover body is positioned at the upper end of the mixing box, the support column is positioned at the bottom end of the mixing box, a first mixing bin and a second mixing bin are arranged in the mixing box, the first mixing bin is arranged in a circular table shape, a first stirring shaft is arranged in the first mixing bin, one end of the first stirring shaft is extended outside the mixing box and connected with a first motor arranged on the cover body, and a first stirring blade is arranged on the first stirring shaft in a ring mode.
Description
Technical Field
The invention relates to the technical field related to polyurethane composite production, in particular to a mixer for producing a low-density polyurethane composite.
Background
The polyurethane composite material is also called polyurethane resin, is a high polymer material with the characteristics of high strength, tear resistance, wear resistance and the like, and is widely applied to the fields of daily life, industrial and agricultural production, medicine and the like, and the polyurethane composite material needs to be mixed with raw materials by a mixer in the production process, so that the quality of a product is ensured.
However, the existing mixers for producing polyurethane compositions have the following disadvantages:
1. Most adopt single blending hopper to carry out single compounding, the compounding is inhomogeneous, leads to the compounding effect not good, influences the use.
2. In the mixing process, materials are easily accumulated at the bottom, so that uneven mixing is caused, and improvement is needed.
Disclosure of Invention
The invention aims to provide a mixer for producing low-density polyurethane composite materials, which is used for solving the problems that in the background technology, a single mixing bin is adopted for mixing materials, the mixing materials are uneven, the mixing effect is poor, and in the mixing process, the materials are easy to accumulate at the bottom to cause the non-ideal mixing.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a low density polyurethane combination production is with mixer, includes mixing box, lid and pillar, the lid is located mixing box upper end, the pillar is located mixing box bottom, mixing box inside is equipped with first blending bunker and second blending bunker, first blending bunker is the round platform setting, first blending bunker inside is equipped with first (mixing) shaft, first (mixing) shaft one end extends and is located mixing box outside and be connected with the motor No. one that is equipped with on the lid, first (mixing) shaft is gone up the ring and is equipped with first stirring vane, first stirring vane one side is connected with the doctor-bar, the doctor-bar is contacted with first blending bunker inner wall, the inside second (mixing) shaft that is equipped with of second blending bunker, second (mixing) shaft is gone up the ring and is equipped with second stirring vane, be equipped with the toper screen cloth between first blending bunker and the second blending bunker, the toper screen cloth bottom is equipped with rubber extension piece, second stirring vane is contacted with rubber extension piece.
Preferably, a draught fan is installed on one side wall of the mixing box, one side of the draught fan is connected with a gas pipe, an air booster pump is installed on the gas pipe, one side of the gas pipe is fixedly connected with the support column, the upper end of the gas pipe is connected with jet heads, a plurality of groups of jet heads are arranged, and one end of each jet head is connected with the bottom end inside the mixing box.
Preferably, the conical screen bottom is equipped with annular mounting bracket, conical screen passes through annular mounting bracket and mixing box inner wall fixed connection.
Preferably, one end of the second stirring shaft is connected with a bearing arranged on the inner wall of the second mixing bin, and the other end of the second stirring shaft extends to be positioned outside the second mixing bin and is connected with a second motor arranged on the outer wall of the mixing bin.
Preferably, the length of the first stirring blade is gradually decreased from top to bottom.
Preferably, the upper end of the cover body is provided with a feeding port, the feeding ports are provided with a plurality of groups, and a side wall at the bottom end of the mixing box is provided with a discharging port.
The invention provides a mixer for producing a low-density polyurethane composite material, which has the following beneficial effects:
(1) According to the invention, the first mixing bin and the second mixing bin are arranged, so that the first mixing bin can be utilized to primarily mix materials entering the mixing box, and then the materials fall into the second mixing bin through the conical screen to be secondarily mixed, so that the mixing effect is good, and the use is convenient.
(2) According to the invention, the bottom end of the mixing box is provided with the gas transmission pipe and the gas jet head, so that pressurized gas can enter the mixing box through the gas jet head, materials deposited at the bottom end inside the mixing box are blown up, and then are stirred and mixed through the second stirring shaft, so that poor mixing effect caused by material deposition at the bottom is prevented.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a conical screen structure according to the present invention;
Fig. 3 is a schematic cross-sectional view of a first mixing silo according to the invention.
In the figure: 1. a mixing box; 2. a cover body; 3. a feed inlet; 4. a motor I; 5. a first mixing bin; 6. a first stirring shaft; 7. a wiper blade; 8. a first stirring blade; 9. a conical screen; 10. a motor II; 11. a second stirring shaft; 12. a rubber extension block; 13. a bearing; 14. an induced draft fan; 15. an air booster pump; 16. a gas pipe; 17. a jet head; 18. an annular mounting frame; 19. a second stirring blade; 20. a support post; 21. a discharge port; 22. and a second mixing bin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-3, the present invention provides a technical solution: the utility model provides a low density polyurethane combination production is with mixer, includes mixing box 1, lid 2 and pillar 20, lid 2 is located mixing box 1 upper end, pillar 20 is located mixing box 1 bottom, mixing box 1 inside is equipped with first blending bunker 5 and second blending bunker 22, first blending bunker 5 is the round platform setting, first blending bunker 5 inside is equipped with first (mixing) shaft 6, first (mixing) shaft 6 one end extends and is located mixing box 1 outside and is connected with motor number one 4 that is equipped with on the lid 2, first (mixing) shaft 6 goes up to encircle and be equipped with first stirring vane 8, first stirring vane 8 one side is connected with doctor-bar 7, doctor-bar 7 and the contact of first blending bunker 5 inner wall, second blending bunker 22 inside is equipped with second (mixing) shaft 11, second (mixing) vane 19) is last to be equipped with of second (mixing) shaft 11, be equipped with toper 9 between first blending bunker 5 and the second blending bunker 22, toper 9 bottom is equipped with rubber extension piece 12, second (mixing) blade 19 and rubber extension piece 12 contact.
An induced draft fan 14 is arranged on one side wall of the mixing box 1, one side of the induced draft fan 14 is connected with a gas pipe 16, an air booster pump 15 is arranged on the gas pipe 16, one side of the gas pipe 16 is fixedly connected with a support column 20, the upper end of the gas pipe 16 is connected with jet heads 17, a plurality of groups of jet heads 17 are arranged, one end of each jet head 17 is connected with the bottom end inside the mixing box 1, and materials deposited at the bottom end inside the mixing box 1 can be blown up through the jet heads 17 to prevent uneven mixing caused by material deposition; the bottom end of the conical screen 9 is provided with an annular mounting frame 18, and the conical screen 9 is fixedly connected with the inner wall of the mixing box 1 through the annular mounting frame 18, so that the conical screen 9 can be stably mounted; one end of the second stirring shaft 11 is connected with a bearing 13 arranged on the inner wall of the second mixing bin 22, the other end of the second stirring shaft 11 is extended to be positioned outside the second mixing bin 22 and connected with a second motor 10 arranged on the outer wall of the mixing box 1, and the second stirring shaft 11 can be driven to rotate through the second motor 10; the length of the first stirring blade 8 is gradually decreased from top to bottom, so that the first stirring blade 8 and the scraping blade 7 can be conveniently attached to the inner wall of the first mixing bin 5; the feed inlet 3 has been seted up to lid 2 upper end, and feed inlet 3 is equipped with the multiunit, offered discharge gate 21 on the lateral wall of mixing box 1 bottom, can add multiple material simultaneously through setting up multiunit feed inlet 3 and mix, feed rate is fast, and it is effectual to mix.
It should be noted that, a mixer is used in production of low density polyurethane combined material, in the during operation, the material that will mix is added to first mixing silo 5 through feed inlet 3, can add multiple material simultaneously through setting up multiunit feed inlet 3 and mix, feed rate is fast, when the material is added in the first mixing silo 5, first stirring vane 8 is utilized to first stirring shaft 6 pivoted simultaneously to carry out preliminary mixing with the material of adding to first stirring vane 6, doctor-bar 7 can avoid material and first mixing silo 5 inner wall adhesion simultaneously, the material after preliminary mixing falls on conical screen 9, conical screen 9 evenly disperses the material around conical screen 9, simultaneously No. two motor 10 drives second stirring shaft 11 and second stirring vane 19 rotation, second stirring vane 19 rotates simultaneously with rubber extension piece 12 contact beat, make conical screen 9 vibrate, thereby make the material fall into second mixing silo 22, utilize second stirring vane 19 to the material in the second mixing silo 22 again to mix the feed bin, can utilize 14 work simultaneously, utilize 14 to work simultaneously, the material is difficult to be mixed with the bottom of the jet-up head is blown to the air flow 17 through the boost pump head, the bottom of the inside is prevented from being deposited by the jet-up head 17, the bottom of the sedimentation effect is good, the bottom of the sedimentation effect is prevented from being blown down to the material is guaranteed to the inside the jet-mixing head 17.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a mixer is used in production of low density polyurethane combined material, includes mixing box (1), lid (2) and pillar (20), lid (2) are located mixing box (1) upper end, pillar (20) are located mixing box (1) bottom, its characterized in that: the utility model discloses a pneumatic pump, including mixing box (1), first mixing feed bin (5) and second mixing feed bin (22), first mixing feed bin (5) are round platform setting, first mixing feed bin (5) inside is equipped with first (mixing) shaft (6), first (mixing) shaft (6) one end extension is located mixing box (1) outside and is connected with motor (4) that are equipped with on lid (2), first (mixing) shaft (6) go up the ring and be equipped with first (mixing) blade (8), first (mixing) blade (8) one side is connected with doctor blade (7), doctor blade (7) and first (mixing) feed bin (5) inner wall contact, second (mixing) feed bin (22) inside is equipped with second (mixing) shaft (11), be equipped with second (mixing) blade (19) on second (mixing) shaft (11) go up the ring, be equipped with toper (9) between first (mixing) feed bin (5) and second (mixing) feed bin (22), the toper (9) bottom is equipped with rubber extension piece (12), second (mixing) blade (19) and rubber extension piece (12) are equipped with doctor blade (16), air-supply pipe (16) one side is connected with air-supply pipe (16), air supply pipe (16) one side is connected with air supply pipe (16), and gas-supply pipe (16) upper end is connected with air jet head (17), air jet head (17) are arranged and are equipped with the multiunit, and air jet head (17) one end is connected with the inside bottom of mixing box (1), toper screen cloth (9) bottom is equipped with annular mounting bracket (18), toper screen cloth (9) are through annular mounting bracket (18) and mixing box (1) inner wall fixed connection, second (11) one end is connected with bearing (13) that are equipped with on second blending hopper (22) inner wall, and second (11) other end extension is located second blending hopper (22) outside and is connected with No. two motors (10) that are equipped with on mixing box (1) outer wall, the length from the top down of first stirring vane (8) is the state of decreasing, feed inlet (3) have been seted up to lid (2) upper end, and feed inlet (3) are equipped with the multiunit, discharge gate (21) have been seted up on the lateral wall of mixing box (1) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910415895.8A CN110252225B (en) | 2019-05-19 | Mixer for producing low-density polyurethane composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910415895.8A CN110252225B (en) | 2019-05-19 | Mixer for producing low-density polyurethane composite material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110252225A CN110252225A (en) | 2019-09-20 |
| CN110252225B true CN110252225B (en) | 2024-07-05 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210410689U (en) * | 2019-05-19 | 2020-04-28 | 南京汇科高分子材料有限公司 | Mixing machine for producing low-density polyurethane composite material |
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210410689U (en) * | 2019-05-19 | 2020-04-28 | 南京汇科高分子材料有限公司 | Mixing machine for producing low-density polyurethane composite material |
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