CN211968370U - Feeding mechanism of double-screw extruder - Google Patents
Feeding mechanism of double-screw extruder Download PDFInfo
- Publication number
- CN211968370U CN211968370U CN202020307752.3U CN202020307752U CN211968370U CN 211968370 U CN211968370 U CN 211968370U CN 202020307752 U CN202020307752 U CN 202020307752U CN 211968370 U CN211968370 U CN 211968370U
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- China
- Prior art keywords
- temporary storage
- feeding hopper
- fixedly connected
- screw extruder
- feeding
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- 239000000463 material Substances 0.000 claims abstract description 92
- 238000003860 storage Methods 0.000 claims abstract description 54
- 238000000926 separation method Methods 0.000 claims abstract description 3
- 238000003756 stirring Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000008187 granular material Substances 0.000 description 12
- 238000012856 packing Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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Abstract
The utility model relates to a feed mechanism of double screw extruder uses in macromolecular material production field, it includes the feeding hopper, the horizontal feeding device of feeding hopper bottom fixedly connected with, fixedly connected with link on the inside wall of feeding hopper, fixedly connected with go-between on the link, it is connected with the temporary storage dish to rotate on the go-between, the bottom fixedly connected with driving motor of go-between, the vertical upwards extension of motor shaft of driving motor runs through the go-between, the temporary storage dish is located the feed inlet under, the circumference lateral wall and the feeding hopper inside wall separation of temporary storage dish. The utility model discloses have through setting up the temporary storage dish, when the staff adds the material to the feeding hopper, the material at first falls on the temporary storage dish, and partial material progressively breaks away from the temporary storage dish and reachs the feeding hopper bottom under the effect of centrifugal force to it directly piles up in the feeding hopper bottom to have reduced whole materials, causes the material adhesion and influences the effect of the possibility that the material was carried.
Description
Technical Field
The utility model belongs to the technical field of the technique of macromolecular material production and specifically relates to a feed mechanism of double screw extruder is related to.
Background
Screw extruders are machines that concentrate a series of chemical basic unit processes, such as solids conveying, pressurization, melting, venting, dehumidification, melt conveying and pumping, on the screws within the extruder. Compared with a single-screw extruder, a double-screw extruder can more fully mix melts and is widely applied, and a feeding mechanism is generally used for feeding granular solid raw materials into the extruder for mixing, melting and extrusion molding.
Chinese patent publication No. CN202029371U discloses a stirring and feeding mechanism for an extruder, which comprises a feeding hopper, a vertical stirrer and a horizontal stirrer, wherein the vertical stirrer is installed on the upper part of the feeding hopper, and a stirring paddle of the vertical stirrer extends into the feeding hopper, the horizontal stirrer is installed on the lower part of the feeding hopper, and the stirring paddle horizontally extends into a discharging channel of the feeding hopper, and the two stirrers stir materials, so that the materials are uniformly mixed.
The above prior art solutions have the following drawbacks: when a large amount of granular materials are accumulated in the feeding hopper, the materials cause pressure to the materials positioned at the bottom of the feeding hopper due to self weight, so that adhesion is generated between the granular materials, the bottom of the feeding hopper is blocked, and the materials are difficult to enter the extruder.
Disclosure of Invention
The utility model aims at providing a prevent feed mechanism of obstructed double screw extruder to the not enough of prior art existence.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a double screw extruder's feed mechanism, includes the feeding hopper, the horizontal feeding device of feeding hopper bottom fixedly connected with, fixedly connected with link on the inside wall of feeding hopper, fixedly connected with go-between on the link, it has the dish of keeping in temporary storage to rotate on the go-between, the bottom fixedly connected with driving motor of go-between, vertical upwards extension of motor shaft of driving motor and run through the go-between, driving motor's motor shaft tip and the dish bottom fixed connection of keeping in temporary storage, the feed inlet has been seted up on the feeding hopper top, the dish of keeping in temporary storage is located the feed inlet under, the circumference lateral wall and the feeding hopper inside wall separation of dish of keeping in temporary storage.
Through adopting above-mentioned technical scheme, in the in-service use process layer, the staff inputs the feeding hopper with the feed inlet that the granule material was followed, the material gets into and firstly falls on the temporary storage dish after the feeding hopper, thereby driving motor drives the temporary storage dish and rotates and throw part material from the temporary storage dish with the material through centrifugal force down, thereby it is too high to reduce because the material piles up the height, cause the material of feeding hopper bottom to produce the condition of adhesion and jam because the pressure of the interior material dead weight of fill, and then reduced the possibility that the material is blocked and is influenced production.
The utility model discloses further set up to: the temporary storage disk is fixedly connected with a material distribution cone, and the material distribution cone and the temporary storage disk are coaxially arranged.
Through adopting above-mentioned technical scheme, through setting up the branch material awl, reduced the granule material and piled up in the central authorities of temporary storage dish, lead to the centrifugal force that the material received less and can't follow the possibility that the temporary storage dish was thrown away.
The utility model discloses further set up to: the temporary storage disk is fixedly connected with a plurality of guide plates which are uniformly distributed along the circumferential direction of the material distribution cone and extend towards the direction far away from the circle center of the temporary storage disk.
Through adopting above-mentioned technical scheme, through setting up the baffle, reduced because the granule material rolls along with the rotation of temporary storage dish and causes the material to throw away the slower condition of the speed of temporary storage dish, promoted the work efficiency of structure.
The utility model discloses further set up to: and a plurality of guide plates are fixedly connected with stirring blades.
Through adopting above-mentioned technical scheme, stir the leaf through the setting, when driving motor drives the temporary storage dish and rotates, stir the leaf and be rotary motion along with the temporary storage dish is synchronous to stir the material of piling up in the temporary storage dish top, reduce the granule material pressurized caking's of temporary storage dish top possibility.
The utility model discloses further set up to: the transverse material conveying device comprises a material conveying box, one end of the material conveying box is fixedly connected with a conveying motor, a motor shaft of the conveying motor is horizontally arranged and extends into the material conveying box, a motor shaft of the conveying motor extends into one end of a packing auger fixedly connected with the material conveying box, and one end of the packing auger penetrates out of the material conveying box and extends into a feed inlet of a double-screw extruder.
By adopting the technical scheme, the material falling into the bottom of the feeding hopper is gradually moved out of the hopper from the horizontal direction and pushed into the double-screw extruder by the transverse material conveying device, so that the feeding speed is controlled.
The utility model discloses further set up to: the bottom of defeated workbin is equipped with two direction inclined planes, two the direction inclined plane is located the both sides of auger horizontal direction respectively and sets up to the direction slope of auger respectively, two the arc conveyer trough has been seted up to the one end that the direction inclined plane is close to the auger.
By adopting the technical scheme, the material falling into the material conveying box is concentrated to the auger position at the bottom of the material conveying box by arranging the guide inclined plane, so that the material conveying efficiency is improved.
The utility model discloses further set up to: and heating resistance wires are embedded in the circumferential side wall of the feeding hopper.
Through adopting above-mentioned technical scheme, establish heating resistor silk through inlaying on the inside wall to drying the granule material in the conveying case, reducing the granule surface and having moisture to the influence of extruder processing, simultaneously, reduced granule material surface adhesion moisture and caused the adhesion between the material granule to cause the condition of material whereabouts difficulty.
The utility model discloses further set up to: an observation window is embedded in the side wall of the feeding hopper and extends along the height direction of the side wall of the feeding hopper.
Through adopting above-mentioned technical scheme, through setting up the observation window, the staff of being convenient for observes the condition of inside material whereabouts through the observation window.
To sum up, the utility model discloses a beneficial technological effect does:
1. by arranging the temporary storage disk, when a worker adds materials into the feeding hopper, the materials firstly fall on the temporary storage disk, the temporary storage disk is driven by the driving motor to rotate, and partial materials gradually separate from the temporary storage disk and reach the bottom of the feeding hopper under the action of centrifugal force, so that the possibility that the materials are directly stacked at the bottom of the feeding hopper to cause material adhesion to influence material conveying is reduced;
2. by arranging the guide plate and the material distributing cone, the situation that materials fall in the center of the temporary storage disc and roll on the temporary storage disc and are not easy to fall is further reduced, and the falling efficiency of the materials is improved;
3. through setting up the heating resistor silk, will get into the moisture stoving in the granular material in the feeding hopper, reduce its influence to twin-screw extruder processing material quality, reduced simultaneously because surface moisture bonds mutually and causes the possibility of material jam.
Drawings
Fig. 1 is a schematic structural diagram of the present embodiment for embodying the whole apparatus.
Fig. 2 is a schematic cross-sectional view of the present embodiment for showing the internal structure of the device.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a schematic sectional view of the embodiment for embodying the leading slope and the arc-shaped transporting groove.
In the figure, 1, a feeding hopper; 11. a feed inlet; 2. a transverse material conveying device; 21. a material conveying box; 211. a guide slope; 212. an arc-shaped transportation groove; 22. a conveying motor; 23. a packing auger; 3. a connecting frame; 31. a connecting ring; 4. a temporary storage disk; 41. a drive motor; 42. a material separating cone; 43. a guide plate; 431. stirring the leaves; 5. heating resistance wires; 6. an observation window; 7. a feeding box.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a feeding mechanism of twin-screw extruder, including feeding hopper 1, feeding hopper 1 becomes the funnel type, and the bottom mounting and the intercommunication have horizontal feeding device 2. The top end of the feeding hopper 1 is provided with a feeding hole 11. The connecting frame 3 is welded on the inner side wall of the feeding hopper 1, the connecting frame 3 is composed of a plurality of connecting rods, and each connecting rod is connected with a connecting ring 31. The upper end of the connection ring 31 is rotatably connected with the temporary storage disk 4, the lower end of the connection ring 31 is fixedly provided with a driving motor 41, and a motor shaft of the driving motor 41 penetrates through the connection ring 31 along the axial direction of the connection ring 31 and is fixedly connected with the bottom end of the temporary storage disk 4. The temporary storage disk 4 is located right below the feed port 11. When a worker sucks granular materials into the feeding hopper 1 through a manual or other material sucking device, the materials firstly fall on the temporary storage disk 4 and are driven by the driving motor 41 to rotate, so that the materials on the temporary storage disk 4 gradually fall down, the bottom of the feeding hopper 1 is further reduced, and the materials are completely stacked, and are adhered to each other due to pressure generated by the gravity of the materials, so that the possibility of material blockage is caused. The material separating cone 42 is fixedly connected to the circle center position of the temporary storage disk 4, and the cone top of the material separating cone 42 faces the direction of the feed port 11. Thereby reducing the possibility that the material falls on the central portion of the temporary storage tray 4 and is not separated from the temporary storage tray 4 due to a small centrifugal force. The plurality of guide plates 43 are uniformly distributed on the temporary storage disk 4 along the circumferential direction of the material distributing cone 42, the guide plates 43 extend along the radial direction of the temporary storage disk 4, the possibility that materials roll on the temporary storage disk 4 and are difficult to throw away by centrifugal force is reduced through the guide plates 43, the efficiency of falling the materials on the temporary storage disk 4 is improved, and therefore the working efficiency of the device is improved. The upper end of each guide plate 43 is fixedly connected with a stirring blade 431, and when the temporary storage disk 4 rotates, the stirring blades 431 stir the materials stacked above the temporary storage disk 4, so that the materials are further prevented from being adhered to each other.
Referring to fig. 2 and 3, the side wall of the feeding hopper 1 is embedded with a heating resistance wire 5, the material is dried by the heating resistance wire 5, redundant moisture is removed, the influence of the moisture in the material on the product quality is reduced, and the possibility that the material adhesion is caused by the moisture attached to the material particles to influence the feeding is reduced.
Referring to fig. 2, horizontal feeding device 2 of fixedly connected with below feeding hopper 1, horizontal feeding device 2 is including defeated workbin 21, bottom fixed connection of defeated workbin 21 and feeding hopper 1 just communicates each other with feeding hopper 1, one side fixedly connected with conveyor motor 22 of feeding hopper 1, the motor shaft level of conveyor motor 22 sets up and stretches into defeated workbin 21, conveyor motor 22 is located the one end fixedly connected with auger 23 of defeated workbin 21, one end that auger 23 kept away from the motor shaft of conveyor motor 22 is worn out defeated workbin 21 and is linked together with twin screw extruder's feed inlet 11.
Referring to fig. 4, the bottom of the material conveying box 21 is symmetrically provided with two guide inclined planes 211, the two guide inclined planes 211 are respectively located at two sides of the auger 23 in the horizontal direction, the bottom end of the guide inclined plane 211 is provided with a transport trough, the transport trough is matched with the rotation track of the auger 23, the two guide inclined planes 211 are respectively inclined towards the auger 23, and the auger 23 is located at the bottom of the material conveying box 21. When the material reaches the bottom of the feeding hopper 1, the auger 23 is driven to rotate by the conveying motor 22, so that the material falling into the material conveying box 21 is conveyed into the double-screw extruder, and the feeding speed is adjusted by adjusting the rotating speed of the conveying motor 22. One end of the material conveying box 21, which is far away from the conveying motor 22, is fixedly connected with a feeding box 7, the material is conveyed into the feeding box 7 through a packing auger 23 after entering the bottom of the material conveying box 21, and the material entering the feeding box 7 falls into the double-screw extruder.
Referring to fig. 1, an observation window 6 extending along the height direction of the feeding hopper 1 is embedded in the side wall of the feeding hopper 1. The feeding condition can be conveniently observed by the working personnel.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a feed mechanism of twin-screw extruder, includes feeding hopper (1), its characterized in that: the utility model discloses a feed hopper, including feeding hopper (1), bottom fixedly connected with transverse feeding device (2), fixedly connected with link (3) on the inside wall of feeding hopper (1), fixedly connected with go-between (31) are gone up in link (3), it has temporary storage dish (4) to rotate on go-between (31), the bottom fixedly connected with driving motor (41) of go-between (31), the vertical upwards extension of motor shaft of driving motor (41) runs through go-between (31), the motor shaft tip and the temporary storage dish (4) bottom fixed connection of driving motor (41), feed inlet (11) have been seted up on feeding hopper (1) top, temporary storage dish (4) are located feed inlet (11) under, the circumference lateral wall and the feeding hopper (1) inside wall separation of temporary storage dish (4).
2. The feeding mechanism of a twin-screw extruder as defined in claim 1, wherein: the temporary storage disk (4) is fixedly connected with a material distribution cone (42), and the material distribution cone (42) and the temporary storage disk (4) are coaxially arranged.
3. The feeding mechanism of a twin-screw extruder as defined in claim 2, wherein: the temporary storage disk (4) is fixedly connected with a plurality of guide plates (43), and the guide plates (43) are uniformly distributed along the circumferential direction of the material distribution cone (42) and extend towards the direction far away from the circle center of the temporary storage disk (4).
4. The feeding mechanism of a twin-screw extruder as set forth in claim 3, wherein: the guide plates (43) are fixedly connected with stirring blades (431).
5. The feeding mechanism of a twin-screw extruder as defined in claim 1, wherein: horizontal feeding device (2) are including defeated feed box (21), the one end fixedly connected with conveyor motor (22) of defeated feed box (21), the motor shaft level of conveyor motor (22) sets up and stretches into in defeated feed box (21), the motor shaft of conveyor motor (22) stretches into one end fixedly connected with auger (23) of defeated feed box (21), auger (23) one end is worn out defeated feed box (21) and is stretched into in twin screw extruder's feed inlet (11).
6. The feeding mechanism of a twin-screw extruder as defined in claim 5, wherein: the bottom of defeated workbin (21) is equipped with two direction inclined planes (211), two direction inclined planes (211) are located auger (23) horizontal direction's both sides respectively and set up to the direction slope of auger (23) respectively, two arc conveyer trough (212) have been seted up to direction inclined plane (211) one end that is close to auger (23).
7. The feeding mechanism of a twin-screw extruder as defined in claim 6, wherein: and a heating resistance wire (5) is embedded in the circumferential side wall of the feeding hopper (1).
8. The feeding mechanism of a twin-screw extruder as defined in claim 7, wherein: an observation window (6) is embedded in the side wall of the feeding hopper (1), and the observation window (6) extends along the height direction of the side wall of the feeding hopper (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020307752.3U CN211968370U (en) | 2020-03-12 | 2020-03-12 | Feeding mechanism of double-screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020307752.3U CN211968370U (en) | 2020-03-12 | 2020-03-12 | Feeding mechanism of double-screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211968370U true CN211968370U (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020307752.3U Expired - Fee Related CN211968370U (en) | 2020-03-12 | 2020-03-12 | Feeding mechanism of double-screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211968370U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115320060A (en) * | 2022-10-12 | 2022-11-11 | 南京鼎实新材料有限公司 | Cross-linked low-smoke halogen-free cable material extruder |
-
2020
- 2020-03-12 CN CN202020307752.3U patent/CN211968370U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115320060A (en) * | 2022-10-12 | 2022-11-11 | 南京鼎实新材料有限公司 | Cross-linked low-smoke halogen-free cable material extruder |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |