CN220763472U - Double-screw extruder with pretreatment mechanism - Google Patents
Double-screw extruder with pretreatment mechanism Download PDFInfo
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- CN220763472U CN220763472U CN202321841843.5U CN202321841843U CN220763472U CN 220763472 U CN220763472 U CN 220763472U CN 202321841843 U CN202321841843 U CN 202321841843U CN 220763472 U CN220763472 U CN 220763472U
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- fixedly connected
- wall
- double
- sliding plate
- screw extruder
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- 238000001125 extrusion Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 238000001816 cooling Methods 0.000 claims description 28
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 abstract description 30
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000011002 quantification Methods 0.000 description 2
- 208000036828 Device occlusion Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a double-screw extruder with a pretreatment mechanism, which comprises a quantitative mechanism and is characterized in that the quantitative mechanism comprises a first motor, a first heightening block, a first shell, a rotating shaft, a fixed frame, a sliding plate and a spring, wherein the first motor is fixedly connected to the top of the first heightening block. Through above-mentioned structure, the cooperation through fixed frame and sliding plate carries out quantitative preliminary treatment that allocates with the material of dropping into the feeder hopper at the uniform velocity, avoid excessive processing to lead to extravagant, and still have the material of placing disposable input too much, lead to the inside risk of blockking up of device, stability and practicality of device have been increased, and the sliding plate is avoided reserving the space in the horizontal direction through the extrusion of spring, and then make the material spill, the slope of sliding plate side makes it more easily withdraw to the spring inside when receiving the inner wall of first shell to stop, and then reduced the loss of device, prolonged the life-span of device, increased the smoothness of device operation simultaneously.
Description
Technical Field
The utility model relates to the technical field of extruders, in particular to a double-screw extruder with a pretreatment mechanism.
Background
The twin screw extruder has the characteristics of short and uniform retention time of materials in the twin screw and difficult local degradation and deterioration, and has unique advantages in the aspects of coloring, mixing and product production of heat-sensitive plastics such as PVC materials, wherein the heat-sensitive plastics are decomposed, solidified or condensed when the retention time of the processed materials is long.
The applicant has found that the chinese patent discloses a "double screw extruder for plastic production", the application number of which is CN211807749U ", the applicant performs preliminary cooling by air cooling and final cooling by water cooling mainly through the setting of a cooling mechanism, thus realizing no need of an additional cooling mechanism, reducing energy consumption, solving the problem of cracking caused by residual internal stress in the extrusion layer structure during quenching, effectively controlling the problem of overlong cooling time, and realizing dual improvement of product quality and production efficiency. However, the device is not quantitatively treated, the situation of excessive processing or device blockage can be caused, the air cooling and the water cooling of the device play a role in slowly cooling the pipeline, and the waste in the device manufacturing is caused by adopting two modes.
Disclosure of Invention
The utility model provides a double-screw extruder with a pretreatment mechanism, which can quantitatively distribute materials which are uniformly fed into a feed hopper through the cooperation of a fixed frame and a sliding plate, so that waste caused by excessive processing is avoided, the risk of blocking the inside of a device caused by excessive placed and disposable fed materials is also increased, the stability and practicability of the device are improved, gaps are reserved on the sliding plate in the horizontal direction through the extrusion of the spring, the materials are further leaked out, the slope on the side surface of the sliding plate enables the sliding plate to be more easily retracted into the spring when the sliding plate is blocked by the inner wall of a first shell, the loss of the device is further reduced, the service life of the device is prolonged, and the running smoothness of the device is also increased.
In order to achieve the above purpose, the double-screw extruder with the pretreatment mechanism comprises a quantification mechanism, wherein the quantification mechanism comprises a first motor, a first heightening block, a first shell, a rotating shaft, a fixed frame, a sliding plate and a spring, the first motor is fixedly connected to the top of the first heightening block, the first shell is fixedly connected to the right side of the first heightening block, the rotating shaft is fixedly connected to the right side output end of the first motor, the fixed frame is fixedly connected to the outer wall of the rotating shaft, the sliding plate is slidingly connected to the inner wall of the fixed frame, the spring is fixedly connected to the inner wall of the fixed frame, and the spring is fixedly connected to the outer wall of the sliding plate. The cooperation of fixed frame and sliding plate carries out quantitative preliminary treatment of allocating with the material of dropping into the feeder hopper at uniform velocity, avoid excessive processing to it is extravagant to still have to place disposable material that drops into too much, lead to the inside risk of jam of device, stability and practicality of device have been increased, and the sliding plate is avoided reserving the space in the horizontal direction through the extrusion of spring, and then make the material spill, the slope of sliding plate side makes it more easily withdraw to the spring inside when receiving the inner wall of first shell to stop, and then reduced the loss of device, prolonged the life-span of device, increased the smoothness of device operation simultaneously.
According to the double-screw extruder with the pretreatment mechanism, the bottom of the first heightening block is fixedly connected with an extrusion cylinder, the bottom of the extrusion cylinder is fixedly connected with a device base, and the outer wall of the extrusion cylinder is fixedly connected with a cooling pipe. The cooling pipe cools off the material of last basis, avoids the material to extrude when want with the device separation, because the temperature leads to material and device to glue glutinous, the waste in the material course of working has been avoided in the cooling.
According to the double-screw extruder with the pretreatment mechanism, the number of the cooling pipes is multiple, and the outer walls of the cooling pipes are fixedly connected with the transverse pipes. The water in the transverse pipe is simultaneously in heat transfer with the plurality of cooling pipes, so that the water in heat transfer with the water in each cooling pipe is cold water, and the cooling effect is guaranteed.
According to the double-screw extruder with the pretreatment mechanism, water tanks are fixedly connected to the bottoms of the two ends of the transverse pipe and are fixedly connected to the top of the device base, a water pump is fixedly connected to the inner wall of the water tank, and the output end of the top of the water pump is fixedly connected to the inner wall of the transverse pipe. The water pump exchanges the water in the water tank with the water of the transverse pipe through the pipeline which is not connected with the water pump, so that the cooling effect is improved.
According to the double-screw extruder with the pretreatment mechanism, the left end of the extrusion cylinder is fixedly connected with a discharge plate, and the top of the extrusion cylinder is fixedly connected with a controller. The controller controls the heating frame to heat the device, so that materials can enter the screw shafts more easily, and the materials can roll on the two screw shafts instead, and the extrusion effect of the device is improved.
According to the double-screw extruder with the pretreatment mechanism, a heating frame is fixedly connected to the bottom of the controller, the outer wall of the heating frame is fixedly connected with the inner wall of the extrusion cylinder, a second heightening block is fixedly connected to the top of the device base, and a second motor is fixedly connected to the top of the second heightening block. The heating frame fully surrounds the two spiral shafts for a circle, so that materials can be heated better, the heating effect on the materials is improved, and the materials do not need to be worried about dripping onto the heating frame due to the spiral structure of the spiral shafts.
According to the double-screw extruder with the pretreatment mechanism, the first gear is fixedly connected to the left side of the second motor, the second gear is meshed with the outer wall of the first gear, the screw shaft is fixedly connected to the left side of the second gear, the second shell is fixedly connected to the top of the device base, the slope plate is fixedly connected to the inner wall of the second shell, and the feed hopper is fixedly connected to the top of the second shell. The second gears and the screw shafts are coaxial, and the two second gears are driven to rotate under the action of the first gears, so that the two screw shafts are kept at the same rotation speed, and the screw shafts are worn, so that the service life of the device is prolonged.
The utility model has the beneficial effects that: the cooperation through fixed frame and sliding plate carries out quantitative preliminary treatment that allocates with the material of dropping into the feeder hopper at uniform velocity, avoid excessive processing to it is extravagant to still have to place disposable material that drops into too much, lead to the inside risk of jam of device, stability and practicality of device have been increased, and the sliding plate is left the space in the horizontal direction through the extrusion of spring avoided, and then make the material spill, the slope of sliding plate side makes it more easily withdraw to the spring inside when receiving the inner wall of first shell to stop, and then reduced the loss of device, prolonged the life-span of device, increased the smoothness of device operation simultaneously.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a perspective view of a twin screw extruder with a preconditioner in accordance with the present utility model;
FIG. 2 is a partial cross-sectional view of a twin screw extruder with a preconditioner in accordance with the present utility model;
FIG. 3 is an enlarged view showing the internal structure of a twin screw extruder with a pretreatment mechanism according to the present utility model;
FIG. 4 is a partial cross-sectional view of a metering mechanism of a twin screw extruder with a preconditioner in accordance with the present utility model.
Legend description:
1. a device base; 2. an extrusion barrel; 3. a cooling tube; 4. a transverse tube; 5. a water pump; 6. a water tank; 7. a discharge plate; 8. a dosing mechanism; 81. a first motor; 82. a first elevating block; 83. a first housing; 84. a rotating shaft; 85. a fixed frame; 86. a sliding plate; 87. a spring; 9. a controller; 10. a heating frame; 11. a second elevating block; 12. a second motor; 13. a first gear; 14. a second gear; 15. a screw shaft; 16. a slope plate; 17. a second housing; 18. and (5) a feeding hopper.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1 to 4, the double screw extruder with the pretreatment mechanism according to the embodiment of the present utility model includes a first gear 13 fixedly connected to the left side of a second motor 12, a second gear 14 meshed with the outer wall of the first gear 13, a screw shaft 15 fixedly connected to the left side of the second gear 14, a second housing 17 fixedly connected to the top of a device base 1, a slope plate 16 fixedly connected to the inner wall of the second housing 17, and a feed hopper 18 fixedly connected to the top of the second housing 17.
The bottom fixedly connected with extrusion section of thick bamboo 2 of first increase piece 82, the bottom fixedly connected with device base 1 of extrusion section of thick bamboo 2, the outer wall fixedly connected with cooling tube 3 of extrusion section of thick bamboo 2, the quantity of cooling tube 3 is a plurality of, the outer wall fixedly connected with horizontal pipe 4 of cooling tube 3, the left end fixedly connected with flitch 7 of extrusion section of thick bamboo 2, the top fixedly connected with controller 9 of extrusion section of thick bamboo 2.
Including ration mechanism 8, ration mechanism 8 includes first motor 81, first increase piece 82, first shell 83, axis of rotation 84, fixed frame 85, sliding plate 86, spring 87, and first motor 81 fixed connection increases the top of piece 82 at first, and first shell 83 fixed connection increases the right side of piece 82 at first, and axis of rotation 84 fixed connection is at the right side output of first motor 81, and fixed frame 85 fixed connection is at the outer wall of axis of rotation 84.
The sliding plate 86 sliding connection is at the inner wall of fixed frame 85, and spring 87 fixed connection is at the outer wall of sliding plate 86, and the both ends bottom fixedly connected with basin 6 of violently managing 4, basin 6 fixed connection are at the top of device base 1, and the inner wall fixedly connected with water pump 5 of basin 6, the top output fixed connection of water pump 5 is at the inner wall of violently managing 4.
Working principle: starting the first motor 81 to drive the rotating shaft 84 to rotate, enabling the sliding plate 86 to slide in the fixed frame 85 under the limit of the rotating shaft 84, enabling the spring 87 to deform along with the sliding plate 86, starting the second motor 12 to drive the first gear 13 to rotate, further driving the two second gears 14 to rotate, further enabling the two screw shafts 15 to rotate, operating the controller 9, starting the heating frame 10 to preheat, feeding materials into the feed hopper 18 at a constant speed, adjusting the rotating speed of the first motor 81 to quantitatively put the materials into the device, enabling the materials to fall onto the screw shafts 15 through the quantifying mechanism 8 or fall onto the slope plate 16 again onto the screw shafts 15 due to gravity, advancing through the screw of the screw shafts 15, heating through the heating frame 10, enabling the materials to advance better into the screw gaps, starting the water pump 5 to exchange water in the water tank 6 with water in the transverse tube 4 and water in the cooling tube 3, enabling the materials to fall down when the materials pass through the extrusion tube 2 where the cooling tube 3 sits, further better leaving the device through the discharging plate 7,
the embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (7)
1. The utility model provides a take double helix extruder of pretreatment mechanism, includes quantitative mechanism (8), its characterized in that, quantitative mechanism (8) include first motor (81), first increase piece (82), first shell (83), axis of rotation (84), fixed frame (85), sliding plate (86), spring (87), first motor (81) fixed connection is at the top of first increase piece (82), first shell (83) fixed connection is on the right side of first increase piece (82), right side output at first motor (81) of axis of rotation (84) fixed connection, fixed frame (85) fixed connection is at the outer wall of axis of rotation (84), sliding plate (86) sliding connection is at the inner wall of fixed frame (85), spring (87) fixed connection is at the outer wall of sliding plate (86).
2. The double-screw extruder with the pretreatment mechanism according to claim 1, wherein the bottom of the first heightening block (82) is fixedly connected with an extrusion cylinder (2), the bottom of the extrusion cylinder (2) is fixedly connected with a device base (1), and the outer wall of the extrusion cylinder (2) is fixedly connected with a cooling pipe (3).
3. The double-screw extruder with the pretreatment mechanism according to claim 2, wherein the number of the cooling pipes (3) is plural, and the outer wall of the cooling pipe (3) is fixedly connected with a transverse pipe (4).
4. The double-screw extruder with the pretreatment mechanism according to claim 3, wherein the bottoms of the two ends of the transverse tube (4) are fixedly connected with a water tank (6), the water tank (6) is fixedly connected to the top of the device base (1), the inner wall of the water tank (6) is fixedly connected with a water pump (5), and the top output end of the water pump (5) is fixedly connected to the inner wall of the transverse tube (4).
5. The double-screw extruder with the pretreatment mechanism according to claim 2, wherein the left end of the extrusion cylinder (2) is fixedly connected with a discharge plate (7), and the top of the extrusion cylinder (2) is fixedly connected with a controller (9).
6. The double-screw extruder with the pretreatment mechanism according to claim 5, wherein a heating frame (10) is fixedly connected to the bottom of the controller (9), the outer wall of the heating frame (10) is fixedly connected with the inner wall of the extrusion barrel (2), a second heightening block (11) is fixedly connected to the top of the device base (1), and a second motor (12) is fixedly connected to the top of the second heightening block (11).
7. The double-screw extruder with the pretreatment mechanism according to claim 6, wherein a first gear (13) is fixedly connected to the left side of the second motor (12), a second gear (14) is meshed with the outer wall of the first gear (13), a screw shaft (15) is fixedly connected to the left side of the second gear (14), a second housing (17) is fixedly connected to the top of the device base (1), a slope plate (16) is fixedly connected to the inner wall of the second housing (17), and a feed hopper (18) is fixedly connected to the top of the second housing (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321841843.5U CN220763472U (en) | 2023-07-13 | 2023-07-13 | Double-screw extruder with pretreatment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321841843.5U CN220763472U (en) | 2023-07-13 | 2023-07-13 | Double-screw extruder with pretreatment mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220763472U true CN220763472U (en) | 2024-04-12 |
Family
ID=90620665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321841843.5U Active CN220763472U (en) | 2023-07-13 | 2023-07-13 | Double-screw extruder with pretreatment mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220763472U (en) |
-
2023
- 2023-07-13 CN CN202321841843.5U patent/CN220763472U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240603 Address after: 315300, No. 66 Tianxu East Road, Cixi Binhai Economic Development Zone, Ningbo City, Zhejiang Province Patentee after: Ningbei (Ningbo) New Materials Co.,Ltd. Country or region after: China Address before: 330800 north of Xiangxing Avenue, Xiangfu Town, Gao'an City, Yichun City, Jiangxi Province Patentee before: Jiangxi Qiantong Pipe Industry Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240625 Address after: 330800 north of Xiangxing Avenue, Xiangfu Town, Gao'an City, Yichun City, Jiangxi Province Patentee after: Jiangxi Qiantong Pipe Industry Co.,Ltd. Country or region after: China Address before: 315300, No. 66 Tianxu East Road, Cixi Binhai Economic Development Zone, Ningbo City, Zhejiang Province Patentee before: Ningbei (Ningbo) New Materials Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |