CN216267494U - Double-screw extruder for nano montmorillonite modified polypropylene composite material - Google Patents
Double-screw extruder for nano montmorillonite modified polypropylene composite material Download PDFInfo
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- CN216267494U CN216267494U CN202122514461.9U CN202122514461U CN216267494U CN 216267494 U CN216267494 U CN 216267494U CN 202122514461 U CN202122514461 U CN 202122514461U CN 216267494 U CN216267494 U CN 216267494U
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Abstract
The utility model discloses a double-screw extruder for a nano montmorillonite modified polypropylene composite material, and belongs to the technical field of extruders. The utility model provides a double screw extruder of modified polypropylene combined material of nanometer montmorillonite, includes that the upper end is equipped with the extrusion case of feed inlet, still includes: the device box is fixedly connected to the side wall of the extrusion box; the two extrusion screws are symmetrically arranged in the extrusion box, wherein the side wall of the extrusion box is provided with two sliding grooves, sliding blocks are connected in the two sliding grooves in a sliding manner, the two extrusion screws are respectively and rotatably connected to the two sliding blocks through rotating shafts, and an interval adjusting mechanism connected with the two sliding blocks is arranged in the device box; the two gears which are meshed with each other are rotatably connected in the device box, wherein a driving motor is fixedly arranged on the outer wall of the device box; the utility model can quickly and conveniently adjust the distance between two extrusion screws, so that one double-screw extruder can be suitable for different materials.
Description
Technical Field
The utility model relates to the technical field of extruders, in particular to a double-screw extruder of a nano montmorillonite modified polypropylene composite material.
Background
The double-screw extruder is developed on the basis of a single-screw extruder, and has the characteristics of good feeding performance, mixing and plasticizing performance, exhaust performance, extrusion stability and the like, so that the double-screw extruder is widely applied to molding and processing of extruded products at present.
In the prior art, two screw rod intervals in the double screw extruder are fixed unchangeable, however in use, during processing different materials, can reach better extrusion effect through the screw rod of different intervals, so need use the screw extruder of many different interval screws, use cost is very big to the double screw extruder is after using a period, and the clearance between two screws can grow under the vibrations effect, and this is the effect that still can influence the double screw extruder ejection of compact.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the distance between two screws in a double-screw extruder in the prior art cannot be adjusted according to needs, and provides the double-screw extruder for the nano montmorillonite modified polypropylene composite material.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a double screw extruder of modified polypropylene combined material of nanometer montmorillonite, includes that the upper end is equipped with the extrusion case of feed inlet, still includes: the device box is fixedly connected to the side wall of the extrusion box; the two extrusion screws are symmetrically arranged in the extrusion box, wherein the side wall of the extrusion box is provided with two sliding grooves, sliding blocks are connected in the two sliding grooves in a sliding manner, the two extrusion screws are respectively and rotatably connected to the two sliding blocks through rotating shafts, and an interval adjusting mechanism connected with the two sliding blocks is arranged in the device box; two intermeshing's gear all rotates and connects in the device case, wherein, fixed mounting has driving motor on the outer wall of device case, driving motor's output shaft and one of them gear fixed connection, two the gear all is connected with two pivots respectively through adjustable belt mechanism.
In order to make single extruder can be suitable for different materials, preferably, interval adjustment mechanism includes the double threaded rod of connecting in the device case through the support rotation, double threaded rod's both ends screw thread opposite direction, the equal threaded connection in both ends outer wall of double threaded rod has the slide, two the slide respectively with two slider fixed connection, the outer wall fixed mounting that wherein one end of double threaded rod extended to the device case has the handle.
In order to ensure that the two extruding screw rods can normally work after the distance is adjusted, further, the adjustable belt mechanism comprises two telescopic devices fixedly installed in the device box, two gears are respectively connected with two rotating shafts through two belt transmissions, the telescopic ends of the two telescopic devices are fixedly provided with tensioning wheels, and the tensioning wheels respectively support against two belt transmissions.
In order to adjust the tensioning wheel more simply and conveniently, furthermore, the two telescopic devices are both electric telescopic rods.
In order to prevent the material in the extruding box from leaking out of the sliding grooves, preferably, the inner wall of the extruding box is slidably connected with baffle plates matched with the two sliding grooves, and the two baffle plates are fixedly connected with the two sliding blocks respectively.
In order to improve the adjusting precision of the two extruding screw rods, further, a transparent graduated scale aligned with the double-head threaded rod is arranged on the outer wall of the device box.
Compared with the prior art, the utility model provides a double-screw extruder of a nano montmorillonite modified polypropylene composite material, which has the following beneficial effects:
1. according to the double-screw extruder for the nano montmorillonite modified polypropylene composite material, the double-threaded rod is rotated by the handle, the double-threaded rod can drive the two sliding plates and the sliding blocks to slide, the two sliding blocks can drive the two extrusion screws to slide, so that the distance between the two extrusion screws can be quickly and conveniently adjusted, and one double-screw extruder can be suitable for different materials;
2. according to the double-screw extruder of the nano montmorillonite modified polypropylene composite material, the tensioning wheel is driven to abut against the two belt transmission belts through the telescopic device, so that the two belt transmission belts are kept in a tensioning state, and the two extrusion screws can be effectively ensured to normally work after the distance is adjusted.
Drawings
FIG. 1 is a schematic structural diagram of a twin-screw extruder for a nano montmorillonite modified polypropylene composite material provided by the utility model;
FIG. 2 is a schematic view of a top-down cut-away structure of a twin-screw extruder for a nano montmorillonite modified polypropylene composite material;
FIG. 3 is a schematic diagram of a right-view cut-away structure of a twin-screw extruder for a nano montmorillonite-modified polypropylene composite material according to the present invention;
FIG. 4 is a schematic structural diagram of the twin-screw extruder A in FIG. 2 for the nano montmorillonite modified polypropylene composite material;
FIG. 5 is a schematic structural diagram of a twin-screw extruder B in FIG. 3 for a nano montmorillonite modified polypropylene composite material.
In the figure: 1. a material extruding box; 2. a feed inlet; 3. a device case; 4. extruding a screw rod; 5. a rotating shaft; 6. a chute; 7. a slider; 8. a drive motor; 9. a gear; 10. belt transmission; 11. a support; 12. a double-headed threaded rod; 13. a slide plate; 14. a handle; 15. a telescoping device; 16. a tension wheel; 17. and a baffle plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-5, a twin-screw extruder of nano montmorillonite modified polypropylene composite material comprises an extruding box 1 with a feeding hole 2 at the upper end, and further comprises: the device box 3 is fixedly connected to the side wall of the extrusion box 1; the two extrusion screws 4 are symmetrically arranged in the extrusion box 1, wherein the side wall of the extrusion box 1 is provided with two sliding chutes 6, the two sliding chutes 6 are respectively connected with a sliding block 7 in a sliding way, the two extrusion screws 4 are respectively connected with the two sliding blocks 7 in a rotating way through a rotating shaft 5, the device box 3 is internally provided with an interval adjusting mechanism connected with the two sliding blocks 7, the interval adjusting mechanism comprises a double-threaded rod 12 which is rotatably connected in the device box 3 through a support 11, the thread directions of two ends of the double-threaded rod 12 are opposite, the outer walls of two ends of the double-threaded rod 12 are respectively connected with a sliding plate 13 in a threaded way, the two sliding plates 13 are respectively and fixedly connected with the two sliding blocks 7, one end of the double-threaded rod 12 extends to the outer wall of the device box 3 and is fixedly provided with a handle 14, when the interval between the two extrusion screws 4 needs to be adjusted, the double-threaded rod 12 can drive the two sliding plates 13 to synchronously slide through the handle 14 by rotating the double-threaded rod 12, two slides 13 then can drive two sliders 7 and slide in spout 6, and two sliders 7 then can drive two crowded material screw rods 4 through two pivot 5 and slide, can be fast convenient the interval between two crowded material screw rods 4 of regulation, make a twin-screw extruder can be suitable for different materials.
Two gears 9 which are meshed with each other are rotatably connected in the device box 3, wherein a driving motor 8 is fixedly arranged on the outer wall of the device box 3, an output shaft of the driving motor 8 is fixedly connected with one gear 9, the two gears 9 are respectively connected with the two rotating shafts 5 through an adjustable belt mechanism, the adjustable belt mechanism comprises two telescopic devices 15 which are fixedly arranged in the device box 3, the two telescopic devices 15 are electric telescopic rods, the two gears 9 are respectively connected with the two rotating shafts 5 through two belt transmissions 10, the telescopic ends of the two telescopic devices 15 are respectively and fixedly provided with a tension pulley 16, the two tension pulleys 16 are respectively abutted against the belts of the two belt transmissions 10, when the distance between the two extrusion screws 4 is adjusted, the tension pulley 16 is driven to abut against the belts of the two belt transmissions 10 through the telescopic devices 15, so that the two belt transmissions 10 are kept in a tensioning state, the two extrusion screws 4 can be effectively ensured to work normally after the distance is adjusted.
The inner wall of the material extruding box 1 is connected with baffle plates 17 matched with the two sliding grooves 6 in a sliding mode, the two baffle plates 17 are fixedly connected with the two sliding blocks 7 respectively, and the baffle plates 17 can prevent materials in the material extruding box 1 from leaking out of the material extruding box 1 through the sliding grooves 6.
The outer wall of device case 3 is equipped with the transparent scale that aligns with double threaded rod 12, and transparent scale can make two crowded material intervals between the screw rod 4 more accurate present.
The working principle is as follows: in the utility model, when the double-screw extruder works, the driving motor 8 drives the two gears 9 to rotate, the two gears 9 can drive the two rotating shafts 5 to rotate through the two belt transmissions 10, the two rotating shafts 5 can drive the two extrusion screws 4 to rotate, so as to realize extrusion work, when the distance between the two extrusion screws 4 needs to be adjusted, the double-headed threaded rod 12 is rotated through the handle 14, the double-headed threaded rod 12 can drive the two sliding plates 13 to synchronously slide, the two sliding plates 13 can drive the two sliding blocks 7 to slide in the sliding chute 6, the two sliding blocks 7 can drive the two extrusion screws 4 to slide through the two rotating shafts 5, so that the distance between the two extrusion screws 4 can be quickly and conveniently adjusted, so that one double-screw extruder can be suitable for different materials, when the distance between the two extrusion screws 4 is adjusted, the tensioning wheel 16 is driven to abut against the two belts with the belt transmissions 10 through the telescopic device 15, therefore, the two belt drives 10 are kept in a tensioning state, and the two extrusion screws 4 can be effectively ensured to work normally after the distance is adjusted.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a double screw extruder of modified polypropylene combined material of nanometer montmorillonite, includes that the upper end is equipped with crowded workbin (1) of feed inlet (2), its characterized in that still includes:
the device box (3) is fixedly connected to the side wall of the extrusion box (1);
two material extruding screws (4) symmetrically arranged in the material extruding box (1),
the side wall of the material extruding box (1) is provided with two sliding grooves (6), sliding blocks (7) are connected in the two sliding grooves (6) in a sliding mode, two material extruding screw rods (4) are respectively connected to the two sliding blocks (7) in a rotating mode through rotating shafts (5), and an interval adjusting mechanism connected with the two sliding blocks (7) is arranged in the device box (3);
two gears (9) which are meshed with each other are rotationally connected in the device box (3),
the device is characterized in that a driving motor (8) is fixedly mounted on the outer wall of the device box (3), an output shaft of the driving motor (8) is fixedly connected with one gear (9), and the two gears (9) are respectively connected with the two rotating shafts (5) through adjustable belt mechanisms.
2. The twin-screw extruder of nano montmorillonite modified polypropylene composite material as claimed in claim 1, wherein the spacing adjustment mechanism comprises a double-threaded rod (12) rotatably connected in the device box (3) through a support (11), the two ends of the double-threaded rod (12) are opposite in thread direction, the outer walls of the two ends of the double-threaded rod (12) are both connected with sliding plates (13) in a threaded manner, the two sliding plates (13) are respectively fixedly connected with the two sliding blocks (7), and one end of the double-threaded rod (12) extends to the outer wall of the device box (3) and is fixedly provided with a handle (14).
3. The twin-screw extruder of nano montmorillonite modified polypropylene composite material as claimed in claim 2, wherein the adjustable belt mechanism comprises two telescopic devices (15) fixedly installed in the device box (3), two gears (9) are respectively connected with the two rotating shafts (5) through two belt drives (10), the telescopic ends of the two telescopic devices (15) are respectively fixedly installed with a tension wheel (16), and the two tension wheels (16) respectively abut against the belts of the two belt drives (10).
4. The twin-screw extruder of nano montmorillonite modified polypropylene composite material as claimed in claim 3, wherein both said telescoping devices (15) are electric telescoping rods.
5. The twin-screw extruder of the nano montmorillonite modified polypropylene composite material as claimed in claim 1, wherein the inner wall of the extrusion box (1) is slidably connected with baffle plates (17) matched with the two sliding grooves (6), and the two baffle plates (17) are respectively fixedly connected with the two sliding blocks (7).
6. The twin-screw extruder of nano montmorillonite modified polypropylene composite material as claimed in claim 2, characterized in that the outer wall of the device box (3) is provided with a transparent scale aligned with the double-headed threaded rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122514461.9U CN216267494U (en) | 2021-10-19 | 2021-10-19 | Double-screw extruder for nano montmorillonite modified polypropylene composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122514461.9U CN216267494U (en) | 2021-10-19 | 2021-10-19 | Double-screw extruder for nano montmorillonite modified polypropylene composite material |
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| CN216267494U true CN216267494U (en) | 2022-04-12 |
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| CN202122514461.9U Active CN216267494U (en) | 2021-10-19 | 2021-10-19 | Double-screw extruder for nano montmorillonite modified polypropylene composite material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115056451A (en) * | 2022-06-20 | 2022-09-16 | 江苏奇鹰电线电缆有限公司 | Conical double-screw extrusion device for cable protection pipe |
| CN115500536A (en) * | 2022-10-06 | 2022-12-23 | 山东启腾生物科技有限公司 | Double-screw extrusion puffing equipment |
-
2021
- 2021-10-19 CN CN202122514461.9U patent/CN216267494U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115056451A (en) * | 2022-06-20 | 2022-09-16 | 江苏奇鹰电线电缆有限公司 | Conical double-screw extrusion device for cable protection pipe |
| CN115056451B (en) * | 2022-06-20 | 2023-10-13 | 江苏奇鹰电线电缆有限公司 | Conical double-screw extrusion device for cable protection pipe |
| CN115500536A (en) * | 2022-10-06 | 2022-12-23 | 山东启腾生物科技有限公司 | Double-screw extrusion puffing equipment |
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