CN209920496U - Stable form double screw extruder that feeding is even - Google Patents
Stable form double screw extruder that feeding is even Download PDFInfo
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- CN209920496U CN209920496U CN201920732750.6U CN201920732750U CN209920496U CN 209920496 U CN209920496 U CN 209920496U CN 201920732750 U CN201920732750 U CN 201920732750U CN 209920496 U CN209920496 U CN 209920496U
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- screw extruder
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- feed
- feed cylinder
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- 239000000463 material Substances 0.000 claims abstract description 61
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 239000004594 Masterbatch (MB) Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a stable form twin-screw extruder of even feeding, including the base, fix motor and feed cylinder on the base, the feed cylinder is inside to be equipped with the parallel twin-screw that motor drive is connected, be connected with corresponding feed mechanism and extrusion aircraft nose mould respectively on the feed end and the discharge end of feed cylinder, feed mechanism contains feeder hopper and branch material pipe, the middle top intercommunication of branch material pipe is connected to the unloading end of feeder hopper, and the both ends bottom of branch material pipe is respectively connected with corresponding blanking pipe downwards the intercommunication, blanking pipe is connected to the feed end of feed cylinder respectively; the device comprises a material distribution pipe, wherein a driving shaft is arranged on the center axis of the material distribution pipe, the driving shaft is connected with the corresponding driving shaft, two sides of the driving shaft are fixedly connected with corresponding spiral feeding plates respectively, and the two spiral feeding plates are arranged in opposite rotating directions. The utility model discloses can effectively ensure the even unloading of carrying on of material continuation to effectively improve double screw extruder's production efficiency and production effect.
Description
Technical Field
The utility model relates to a manufacturing equipment of plastics masterbatch specifically indicates an even stable form twin-screw extruder of feeding.
Background
The twin screw extruder is a common plastics masterbatch manufacturing apparatus. With the development of the plastic processing industry, a twin-screw extruder, which is one of main processing equipment of plastics, is rapidly developed and is more and more widely applied due to its excellent processing performance.
In the production operation process of the conventional double-screw extruder, raw materials enter a machine barrel through a blanking hopper, are heated and melted and then are extruded through double screws rotating in the same direction. The continuous and uniform feeding is the basis for ensuring the smooth and stable material extrusion. The feeding mode of the existing double-screw extruder generally comprises a feeding hopper and a feeder, materials are easy to accumulate in the feeding hopper, the uniform degree of blanking is further influenced, and material breakage can occur in severe cases, so that the production efficiency and the production effect of the double-screw extruder are greatly reduced. For preventing that the raw materials from forming in the feeder hopper and piling up, many producers have all set up in twin-screw extruder's feeder hopper and have been used for carrying out loose material mixing mechanism to the material, can also ensure the homogeneous mixing degree of material when preventing that the material from forming accumulatively. However, the stirring mechanism cannot stir the material at the discharge end of the feed hopper, and the material is easily accumulated at the joint of the feed hopper and the feeder to form blockage. And the action of the material mixing mechanism easily compacts the material at the discharge end of the feed hopper, thus aggravating the problem of material blockage. Consequently, design a section and can prevent comprehensively that the material from producing and pile up, effectively ensure the even unloading of carrying on of material continuation to the even stable form twin-screw extruder of feeding that effectively improves twin-screw extruder's production efficiency and production effect is the utility model discloses a research purpose.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned prior art exists, the utility model provides a stable form twin screw extruder that feeds evenly, this stable form twin screw extruder that feeds evenly can effectively solve the technical problem that above-mentioned prior art exists.
The technical scheme of the utility model is that:
a stable double-screw extruder with uniform feeding comprises a base, a motor and a feed cylinder, wherein the motor and the feed cylinder are fixed on the base, parallel double screws in transmission connection with the motor are arranged in the feed cylinder, a feeding end and a discharging end of the feed cylinder are respectively connected with a corresponding feeding mechanism and an extruding machine head die, the feeding mechanism comprises a feeding hopper and a material distributing pipe, the middle top of the material distributing pipe is communicated and connected to the discharging end of the feeding hopper, the bottoms of the two ends of the material distributing pipe are respectively communicated and connected with corresponding blanking pipes downwards, and the blanking pipes are respectively connected to the feeding end of the feed cylinder; the device comprises a material distribution pipe, a material distribution pipe and a material distribution pipe, wherein the material distribution pipe is arranged in a vertical direction, the material distribution; the end, which is not connected with a feeding motor, of the driving shaft is connected with a corresponding driving chain disc, the feeding hopper is rotatably provided with a corresponding stirring shaft on the same side as the driving chain disc, the outer end part of the stirring shaft is connected to the driving chain disc in a chain transmission mode, the inner end part of the stirring shaft is positioned in the feeding hopper, and the inner end part of the stirring shaft is fixedly connected with a plurality of corresponding stirring rods at equal angles.
The feeder hopper is connected with corresponding installation pipe in the one side intercommunication the same with the drive chain dish, install through sealed bearing rotation on the installation pipe the (mixing) shaft.
The lateral wall of feed cylinder in the front end of feeder hopper is according to the equal angle evenly installed a plurality of corresponding electric heater.
The periphery of the electric heater is covered with a layer of corresponding heat-insulating plate, and the heat-insulating plate is prepared from medium-temperature heat-insulating materials.
And a layer of corresponding cooling guide pipe is sleeved on the side wall of the front end of the charging barrel in a sealing manner, and two ends of the cooling guide pipe are connected to the side wall of the charging barrel in a sealing manner.
The bottom of the rear end of the cooling conduit is provided with a corresponding liquid inlet, the top of the front end of the cooling conduit is provided with a corresponding liquid outlet, the liquid inlet and the liquid outlet are respectively connected to an external cooling water pool through a corresponding liquid inlet pipe and a corresponding liquid outlet pipe in a circulating manner, and the liquid inlet pipe is provided with a corresponding liquid pump.
And the charging barrel is provided with a corresponding exhaust port.
The utility model has the advantages that:
the utility model discloses feed mechanism to traditional twin-screw extruder improves, on the basis of original feeder hopper, has increased branch material pipe, will divide the unloading end that the middle top intercommunication of material pipe is connected to the feeder hopper to the both ends bottom of dividing the material pipe is connected with corresponding blanking pipe downwards respectively to the intercommunication, is connected to the blanking pipe respectively the feed end of feed cylinder. The material is changed from the original single-port feeding into the double-port feeding through the arrangement of the material distributing pipe, the corresponding driving shaft is connected to the position of the central axis of the material distributing pipe, and the two sides of the driving shaft are respectively and fixedly connected with the spiral feeding plates with opposite rotation directions. So, just can drive soon through the drive shaft and carry out both sides through two opposite spiral delivery sheet and push away the material pay-off, carry out the even feeding of continuation through two side mouths, effectively improve the smooth degree of unloading, greatly reduced the material appear piling up the probability of jam at the feeder hopper in discharge gate department. And the in-process of drive shaft pivoted can effectively drive (mixing) shaft and puddler through chain drive mode and break up and mix the material in the feeder hopper, when further preventing that the material from producing accumulatively, improves the misce bene degree of material. The material accumulation is comprehensively prevented, the material continuity is effectively guaranteed, and the material is evenly discharged, so that the production efficiency and the production effect of the double-screw extruder are effectively improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail with reference to the following examples:
referring to fig. 1, a stable twin-screw extruder with uniform feeding comprises a base 1, a motor 2 and a material barrel 3 fixed on the base 1, wherein parallel twin-screws 4 in transmission connection with the motor 2 are arranged inside the material barrel 3, a feeding mechanism 5 and an extruding machine head die 6 are respectively connected to a feeding end and a discharging end of the material barrel 3, the feeding mechanism 5 comprises a feeding hopper 501 and a material distributing pipe 502, the middle top of the material distributing pipe 502 is connected to a discharging end of the feeding hopper 501 in a communication manner, the bottoms of the two ends of the material distributing pipe 502 are respectively connected to corresponding blanking pipes 503 in a downward communication manner, and the blanking pipes 503 are respectively connected to the feeding end of the material barrel 3; a corresponding driving shaft 7 is connected to the position of the central axis of the material distributing pipe 502, the driving shaft 7 is driven by a corresponding feeding motor 8, corresponding spiral feeding plates 9 are fixedly connected to two sides of the driving shaft 7 respectively, and the rotation directions of the two spiral feeding plates 9 are opposite; the end of the driving shaft 7, which is not connected with the feeding motor 8, is connected with a corresponding driving chain disc 10, the feeding hopper 501 is rotatably provided with a corresponding stirring shaft 11 on the same side as the driving chain disc 10, the outer end part of the stirring shaft 11 is connected to the driving chain disc 10 in a chain transmission manner, the inner end part of the stirring shaft 11 is positioned in the feeding hopper 501, and the inner end part of the stirring shaft 11 is fixedly connected with a plurality of corresponding stirring rods 12 at equal angles.
The feeding hopper 501 is communicated and connected with a corresponding mounting pipe 13 on the same side as the driving chain disc 10, and the stirring shaft 11 is rotatably mounted on the mounting pipe 13 through a sealed bearing. A plurality of corresponding electric heaters 14 are uniformly arranged on the side wall of the charging barrel 3 at the front end of the feed hopper 501 at equal angles. The periphery of the electric heater 14 is covered with a layer of corresponding heat-insulating plate 15, and the heat-insulating plate 15 is made of medium-temperature heat-insulating materials.
A layer of corresponding cooling duct 16 is sleeved on the side wall of the front end of the charging barrel 3 in a sealing way, and two ends of the cooling duct 16 are connected to the side wall of the charging barrel 3 in a sealing way. The bottom of the rear end of the cooling conduit 16 is provided with a corresponding liquid inlet, the top of the front end of the cooling conduit 16 is provided with a corresponding liquid outlet, the liquid inlet and the liquid outlet are respectively connected to an external cooling water pool (not marked) in a circulating manner through a corresponding liquid inlet pipe 17 and a corresponding liquid outlet pipe 18, and the liquid inlet pipe 17 is provided with a corresponding liquid pump 19. The cartridge 3 is provided with a corresponding vent 20.
The utility model discloses can effectively prevent comprehensively that the material from producing and piling up, effectively ensure the even unloading of carrying on of material persistence to effectively improve double screw extruder's production efficiency and production effect.
The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made within the scope of the claims of the present invention should belong to the scope of the present invention.
Claims (7)
1. The utility model provides an even stable form twin-screw extruder of feeding, includes the base, fixes motor and feed cylinder on the base, the feed cylinder is inside be equipped with the parallel twin-screw that motor drive connects, be connected with corresponding feed mechanism and crowded material aircraft nose mould, its characterized in that on the feed end of feed cylinder and the discharge end respectively: the feeding mechanism comprises a feeding hopper and a material distributing pipe, the top of the middle of the material distributing pipe is communicated and connected to the discharging end of the feeding hopper, the bottoms of the two ends of the material distributing pipe are respectively communicated and connected with corresponding blanking pipes downwards, and the blanking pipes are respectively connected to the feeding end of the charging barrel; the device comprises a material distribution pipe, a material distribution pipe and a material distribution pipe, wherein the material distribution pipe is arranged in a vertical direction, the material distribution; the end, which is not connected with a feeding motor, of the driving shaft is connected with a corresponding driving chain disc, the feeding hopper is rotatably provided with a corresponding stirring shaft on the same side as the driving chain disc, the outer end part of the stirring shaft is connected to the driving chain disc in a chain transmission mode, the inner end part of the stirring shaft is positioned in the feeding hopper, and the inner end part of the stirring shaft is fixedly connected with a plurality of corresponding stirring rods at equal angles.
2. A uniformly fed stabilized twin screw extruder according to claim 1, wherein: the feeder hopper is connected with corresponding installation pipe in the one side intercommunication the same with the drive chain dish, install through sealed bearing rotation on the installation pipe the (mixing) shaft.
3. A uniformly fed stabilized twin screw extruder according to claim 1, wherein: the lateral wall of feed cylinder in the front end of feeder hopper is according to the equal angle evenly installed a plurality of corresponding electric heater.
4. A uniformly fed stabilized twin screw extruder according to claim 3 characterised in that: the periphery of the electric heater is covered with a layer of corresponding heat-insulating plate, and the heat-insulating plate is prepared from medium-temperature heat-insulating materials.
5. A uniformly fed stabilized twin screw extruder according to claim 1, wherein: and a layer of corresponding cooling guide pipe is sleeved on the side wall of the front end of the charging barrel in a sealing manner, and two ends of the cooling guide pipe are connected to the side wall of the charging barrel in a sealing manner.
6. A stabilized twin screw extruder of uniform feed according to claim 5, characterised in that: the bottom of the rear end of the cooling conduit is provided with a corresponding liquid inlet, the top of the front end of the cooling conduit is provided with a corresponding liquid outlet, the liquid inlet and the liquid outlet are respectively connected to an external cooling water pool through a corresponding liquid inlet pipe and a corresponding liquid outlet pipe in a circulating manner, and the liquid inlet pipe is provided with a corresponding liquid pump.
7. A uniformly fed stabilized twin screw extruder according to claim 1, wherein: and the charging barrel is provided with a corresponding exhaust port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920732750.6U CN209920496U (en) | 2019-05-21 | 2019-05-21 | Stable form double screw extruder that feeding is even |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920732750.6U CN209920496U (en) | 2019-05-21 | 2019-05-21 | Stable form double screw extruder that feeding is even |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209920496U true CN209920496U (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920732750.6U Active CN209920496U (en) | 2019-05-21 | 2019-05-21 | Stable form double screw extruder that feeding is even |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113026128A (en) * | 2021-02-24 | 2021-06-25 | 南京康发橡塑机械制造有限公司 | Process for preparing polyester filament yarn by using polyester recovered bottle flake material melt constant-pressure one-step method |
-
2019
- 2019-05-21 CN CN201920732750.6U patent/CN209920496U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113026128A (en) * | 2021-02-24 | 2021-06-25 | 南京康发橡塑机械制造有限公司 | Process for preparing polyester filament yarn by using polyester recovered bottle flake material melt constant-pressure one-step method |
| CN113026128B (en) * | 2021-02-24 | 2022-07-19 | 南京康发橡塑机械制造有限公司 | Process for preparing polyester filament yarn by using constant-pressure one-step method of polyester recovered bottle flake material melt |
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