CN209079167U - A kind of dust-extraction unit of extruder feed system - Google Patents
A kind of dust-extraction unit of extruder feed system Download PDFInfo
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- CN209079167U CN209079167U CN201821959634.XU CN201821959634U CN209079167U CN 209079167 U CN209079167 U CN 209079167U CN 201821959634 U CN201821959634 U CN 201821959634U CN 209079167 U CN209079167 U CN 209079167U
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- dust
- extraction unit
- feed system
- feeding section
- extruder feed
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Abstract
The utility model belongs to the technical field of extruder, it is related to a kind of dust-extraction unit of extruder feed system, the extruder includes feeding section, drive the transmission system of screw rod rotation, feeding device is connected with above feeding section, the feeding device includes hopper and automatic feeding device, the transmission system includes motor, reduction gear box and bearing housing, feeding intersegmental part between bearing housing and feeding device is provided with mechanical seal, feeding section bottom between the mechanical seal and bearing housing is provided with dust removal port, and the dust arrester of upper end opening is provided with below dust removal port.The dust-extraction unit of extruder feed system provided by the utility model can effectively remove the dust of feeding section rear end, avoid in plastic product and stain occur and influence product quality.
Description
Technical field
The utility model belongs to the technical field of extruder, is related to a kind of dust-extraction unit of extruder feed system.
Background technique
Extruder includes Planetary Screw Extruder, single screw extrusion machine and double screw extruder etc., is widely used in plastics
Processing industry, extruder generally comprise what the extrusion system, hopper and automatic charging device being made of barrel and screw rod etc. formed
The compositions such as transmission system, the heating and cooling system of charging system, motor and transmission device composition.
The raw material that charging system is added in order to prevent moves backward, in the barrel between charging system and transmission system usually
It is provided with sealing structure.But sealing structure is unable to complete isolation dust, and especially after prolonged use, the property of sealing structure
It can decrease, and then more dust is made to enter the barrel between charging system and transmission system.Into rear end barrel
Coking can occur under the influence of high temperature for dust, and the dust of coking can enter among the barrel of front end again by sealing structure,
It is mixed among raw material, so that there are stains in the plastics squeezed out, seriously affects the quality of product.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of dust-extraction units of extruder feed system, can have
Effect removes the dust of feeding section rear end, avoids in plastic product and stain occurs and influence product quality.
The purpose of this utility model is achieved through the following technical solutions:
A kind of dust-extraction unit of extruder feed system, the extruder include feeding section, the transmission of driving screw rod rotation
System is connected with feeding device above feeding section, and the feeding device includes hopper and automatic feeding device, the transmission system
Including motor, reduction gear box and bearing housing, the feeding intersegmental part between bearing housing and feeding device are provided with mechanical seal, institute
The feeding section bottom stated between mechanical seal and bearing housing is provided with dust removal port, and the collection of upper end opening is provided with below dust removal port
Dirt device.
Above-mentioned dust arrester is connected in feeding section, and dust arrester includes the dust hopper on top and the dust-collecting cylinder of lower part, the collection
Dirt bucket is inverted conical shape, and dust-collecting cylinder is cylinder.
It is removably connected between above-mentioned dust hopper and dust-collecting cylinder.
The opening area of above-mentioned dust arrester is greater than the area of dust removal port, and dust removal port is provided with downward convex edge, the convex edge
Within dust arrester.
Alternatively, being tightly connected between above-mentioned dust arrester and feeding section, the upper end of dust arrester covers dust removal port.
The opposite feeding section top of above-mentioned dust removal port is provided with air inlet, is provided with outlet air on the side wall of the dust hopper
It manages, is provided with induced draught fan on the terminal surface of discharge pipe.
Preferably, above-mentioned discharge pipe is arranged diagonally downward.
Preferably, it is arranged at intervals with several wind deflectors in above-mentioned dust hopper, the side wall of wind deflector and dust hopper is arranged in parallel,
And close to the side of discharge pipe.
Above-mentioned induced draught fan is connected with the control button of control fan swicth and air force.
The utility model having the beneficial effect that compared with the existing technology:
1, the utility model increases dust-extraction unit in the feeding section of existing extruder, the dust of feeding section rear end by
It is fallen into dust arrester in the dust removal port that acts through of gravity, is mixed into products after avoiding dust coking.
2, the utility model is further provided with air inlet, discharge pipe and induced draught fan, forms the air stream of route
Logical, the dust in feeding section can be mobile with air-flow, drops into dust-collecting cylinder since the effect of gravity is detached from air-flow in dust hopper
In, and then reinforce the effect of the utility model dedusting.
3, the utility model structure is simple, easy to use, is suitable for various screw extruders such as Planetary Screw Extruder, list
The use of screw extruder and double screw extruder etc..
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is another structural schematic diagram of the utility model.
Appended drawing reference: 1, feeding section；2, feeding device；3, motor；4, reduction gear box；5, bearing housing；6, mechanical seal；
7, dust removal port；8, dust arrester；9, dust hopper；10, dust-collecting cylinder；11, convex edge；12, air inlet；13, discharge pipe；14, induced draught fan；
15, wind deflector.
Specific embodiment
The utility model is further described with specific embodiment with reference to the accompanying drawing, referring to Fig. 1-2:
A kind of dust-extraction unit of extruder feed system, the extruder include feeding section 1, and feeding section 1 and fluxing zone are logical
Flanged joint is crossed, the transmission system of driving screw rod rotation, the top of feeding section 1 is connected with feeding device 2, the transmission system packet
Motor 3, reduction gear box 4 and bearing housing 5 are included, the feeding section 1 between bearing housing 5 and feeding device 2 is internally provided with mechanical close
Envelope 6,1 bottom of feeding section between the mechanical seal 6 and bearing housing 5 is provided with dust removal port 7, and the lower section of dust removal port 7 is provided with
The dust arrester 8 of upper end opening.
In use, the raw material powder mixed is sent into feeding section 1 by extruder by feeding device 2, then pass through screw rod
It is fed forward raw material powder to fluxing zone, and is plasticized into uniform solution under certain temperature and pressure, pass through machine later
Head squeezes out.Due to the limitation of mechanical seal 6, a small amount of dust can enter sending for 2 rear end of feeding device by mechanical seal 6
Expect in section 1, this part of dust drops into dust arrester 8 since gravity passes through dust removal port 7, completes dust removal operation.
Above-mentioned dust arrester 8 is connected in feeding section 1, the dust-collecting cylinder 10 of dust hopper 9 and lower part of the dust arrester 8 including top,
The dust hopper 9 is inverted conical shape, and dust-collecting cylinder 10 is cylinder, and above structure is finally collected into dust-collecting cylinder 10 convenient for dust.
Preferably, it is removably connected between above-mentioned dust hopper 9 and dust-collecting cylinder 10, by dismantling dust-collecting cylinder 10, Ke Yiding
The dust collected in dust-collecting cylinder 10 is poured out in phase or not timing.
Comparative diagram 1, the opening area of above-mentioned dust arrester 8 are greater than the area of dust removal port 7, and dust removal port 7 is provided with downward convex
Along 11, the convex edge 11 is located within dust arrester 8, the structure avoid using when dust drop into except dust arrester 8.
Comparative diagram 2 is tightly connected between above-mentioned dust arrester 8 and feeding section 1, and the upper end of dust arrester 8 covers dust removal port 7.
Opposite 1 top of feeding section of above-mentioned dust removal port 7 is provided with air inlet 12, is provided on the side wall of the dust hopper 9
Discharge pipe 13 is provided with induced draught fan 14 on the terminal surface of discharge pipe 13.
When induced draught fan 14 rotates, a low-pressure area is formed in dust hopper 9, the air in feeding section 1 enters dust
In bucket 9, extraneous air is entered in feeding section 1 by air inlet 12, to form an air inlet 12 --- feeding section
1 --- dust removal port 7 --- dust hopper 9 --- air ventilation passage of discharge pipe 13, the dust in feeding section 1 is with gas passage
It moves into dust hopper 9, is dropped into dust-collecting cylinder 10 since the influence of gravity is detached from air-flow later.
Preferably, above-mentioned discharge pipe 13 is arranged diagonally downward.
Preferably, several wind deflectors 15 are arranged at intervals in above-mentioned dust hopper 9, wind deflector 15 and the side wall of dust hopper 9 are flat
Row setting, and close to the side of discharge pipe 13.The setting of wind deflector 15 flows through in gas and carries the air-flow of dust on the way and can impinge upon
On wind deflector 15, dust is detached from air-flow and drops into dust-collecting cylinder 10, and above structure can reinforce the disengaging effect of dust.
Above-mentioned induced draught fan 14 is connected with the control button of control fan swicth and air force, can be according to actual needs
Induced draught fan is adjusted.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model
Within the scope of.
Claims (9)
1. a kind of dust-extraction unit of extruder feed system, the extruder includes feeding section (1), the transmission of driving screw rod rotation
System is connected with feeding device (2) above feeding section (1), and the transmission system includes motor (3), reduction gear box (4) and
Bearing housing (5), the feeding section (1) between bearing housing (5) and feeding device (2) are internally provided with mechanical seal (6), and feature exists
In feeding section (1) bottom between the mechanical seal (6) and bearing housing (5) is provided with dust removal port (7), under dust removal port (7)
Side is provided with the dust arrester (8) of upper end opening.
2. a kind of dust-extraction unit of extruder feed system according to claim 1, which is characterized in that the dust arrester
(8) it is connected on feeding section (1), dust arrester (8) includes the dust hopper (9) on top and the dust-collecting cylinder (10) of lower part, the dust
(9) are struggled against as inverted conical shape, dust-collecting cylinder (10) is cylinder.
3. a kind of dust-extraction unit of extruder feed system according to claim 2, which is characterized in that the dust hopper
(9) it is removably connect between dust-collecting cylinder (10).
4. a kind of dust-extraction unit of extruder feed system according to claim 1, which is characterized in that the dust arrester
(8) opening area is greater than the area of dust removal port (7), and dust removal port (7) is provided with downward convex edge (11), convex edge (11) position
Within dust arrester (8).
5. a kind of dust-extraction unit of extruder feed system according to claim 1, which is characterized in that the dust arrester
(8) it is tightly connected between feeding section (1), the upper end of dust arrester (8) covers dust removal port (7).
6. a kind of dust-extraction unit of extruder feed system according to claim 5, which is characterized in that the dust removal port
(7) opposite feeding section (1) top is provided with air inlet (12), is provided with discharge pipe (13) on the side wall of the dust hopper (9),
Induced draught fan (14) are provided on the terminal surface of discharge pipe (13).
7. a kind of dust-extraction unit of extruder feed system according to claim 6, which is characterized in that the discharge pipe
(13) it is arranged diagonally downward.
8. a kind of dust-extraction unit of extruder feed system according to claim 6, which is characterized in that the dust hopper
(9) several wind deflectors (15) are arranged at intervals in.
9. a kind of dust-extraction unit of extruder feed system according to claim 6, which is characterized in that the induced draught fan
(14) it is connected with the control button of control fan swicth and air force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821959634.XU CN209079167U (en) | 2018-11-26 | 2018-11-26 | A kind of dust-extraction unit of extruder feed system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821959634.XU CN209079167U (en) | 2018-11-26 | 2018-11-26 | A kind of dust-extraction unit of extruder feed system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209079167U true CN209079167U (en) | 2019-07-09 |
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ID=67125595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821959634.XU Active CN209079167U (en) | 2018-11-26 | 2018-11-26 | A kind of dust-extraction unit of extruder feed system |
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| CN (1) | CN209079167U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366929A (en) * | 2018-11-26 | 2019-02-22 | 浙江中邦塑胶股份有限公司 | A kind of dust-extraction unit of extruder feed system |
-
2018
- 2018-11-26 CN CN201821959634.XU patent/CN209079167U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366929A (en) * | 2018-11-26 | 2019-02-22 | 浙江中邦塑胶股份有限公司 | A kind of dust-extraction unit of extruder feed system |
| CN109366929B (en) * | 2018-11-26 | 2024-02-23 | 浙江中邦塑胶股份有限公司 | Dust collector of extruder feeding system |
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