CN211251283U - Screw pushing device - Google Patents
Screw pushing device Download PDFInfo
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- CN211251283U CN211251283U CN201921878935.4U CN201921878935U CN211251283U CN 211251283 U CN211251283 U CN 211251283U CN 201921878935 U CN201921878935 U CN 201921878935U CN 211251283 U CN211251283 U CN 211251283U
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- screw
- scraping strip
- extrusion cylinder
- pushing device
- cylinder
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Abstract
The utility model discloses plastics machine-shaping field especially indicates a screw rod thrust unit. Comprises an extrusion cylinder, a screw and a scraping strip; the screw is rotationally arranged in the extrusion cylinder, the left end of the screw penetrates out of the extrusion cylinder to be connected with the output end of the motor, and the screw is welded with a helical blade and a crushing cutter; two ends of the scraping strip are respectively fixed at the top ends of two adjacent spiral blades, and the scraping strip is parallel to the screw rod; the right side of the extrusion cylinder is connected with an extrusion port; the left side of the upper end of the extrusion cylinder is communicated with a feed hopper. The crushing knife rotating along with the screw can crush and cut the materials bonded into blocks; the scraping strip rotates along with the spiral blade at the top end of the spiral blade, materials adhered to the cylinder wall are scraped in the rotating process, the stirring effect is achieved, the blocking is avoided, and the working efficiency is improved.
Description
Technical Field
The utility model discloses plastics machine-shaping field especially indicates a screw rod thrust unit.
Background
In the plastic extrusion molding equipment, the plastic extrusion molding equipment can be pushed by a screw rod and can be matched with various plastic molding auxiliary machines such as pipes, films, rods, monofilaments, flat wires, packing belts, extruding nets, plates, profiles, pelleting, cable coating and the like to form various plastic extrusion molding production lines and produce various plastic products; modern screw rod thrust unit has more defect, and one of them is that the material thermalization back, glues easily and glues on the section of thick bamboo wall, if not clear up in time, and then can arouse the putty, and the putty condition can produce very big influence in case takes place to production efficiency.
SUMMERY OF THE UTILITY MODEL
Not enough to above-mentioned prior art, the utility model provides a screw rod thrust unit can clear up the material that adheres on the section of thick bamboo wall automatically, avoids the emergence of putty, improves work efficiency.
In order to achieve the above purpose, the technical scheme of the utility model is that: a screw pushing device comprises an extrusion cylinder, a screw and a scraping strip; the screw is rotationally arranged in the extrusion cylinder, the left end of the screw penetrates out of the extrusion cylinder to be connected with the output end of the motor, and the screw is welded with a helical blade and a crushing cutter; two ends of the scraping strip are respectively fixed at the top ends of two adjacent spiral blades, and the scraping strip is parallel to the screw rod; the right side of the extrusion cylinder is connected with an extrusion port; the left side of the upper end of the extrusion cylinder is communicated with a feed hopper; and a base is arranged below the extruding cylinder.
Preferably, the body of the scraping strip is flat, the two ends of the scraping strip are cylindrical, threads are arranged at the two ends of the scraping strip, bolt holes are reserved at the top ends of the helical blades, the end portions of the scraping strip penetrate through the bolt holes in the helical blades, and the scraping strip is fixed on the helical blades through nuts. By adopting the scheme, the worn scraping strip can be conveniently replaced.
Preferably, the vertical distance between the scraping strip and the wall of the extruding cylinder is 1 mm to 3 mm. By adopting the distance of the scheme, the scraping strip is not contacted with the cylinder wall, so that the abrasion is avoided, and the adhered materials can be cleaned in time.
Preferably, the extrusion cylinder comprises a stainless steel shell, and an electric heating wire, a heat insulation layer and a heat insulation cotton layer are sequentially arranged in the shell of the stainless steel shell. By adopting the scheme, the materials in the extruding cylinder can be heated, and the use requirement is met.
Preferably, a feeding hole is formed in the upper portion of the feeding hopper, rotatable rollers are arranged on the cross section of the feeding hole, two ends of each roller are fixed to the feeding hole through bearings, and a blanking gap is reserved between every two adjacent rollers. By adopting the scheme, the material enters the feed hopper from the gap between the rollers, and the blockage of the feed hopper caused by the discharge of the material can be avoided.
Preferably, the roller is provided with a magnetic strip which can adsorb metal impurities in the material.
Compared with the prior art, the utility model discloses an advantage lies in with beneficial effect: a helical blade and a crushing knife are welded on the screw; two ends of the scraping strip are respectively fixed at the top ends of two adjacent spiral blades, and the scraping strip is parallel to the screw rod;
(1) the crushing knife rotating along with the screw can crush and cut the materials bonded into blocks;
(2) the scraping strip rotates along with the spiral blade at the top end of the spiral blade, materials adhered to the cylinder wall are scraped in the rotating process, the stirring effect is achieved, the blocking is avoided, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the wiper strip of the present invention;
FIG. 3 is a top view of the feed hopper of the present invention;
wherein: 1-extruding a cylinder; 2, scraping strips; 3-crushing cutter; 4-a feed hopper; 5, a motor; 6-helical blades; 7-a screw; 8-a roller; 9-a magnetic strip; 10-bearing.
Detailed Description
In order to deepen the understanding of the utility model, the following will combine the example and the attached drawings to make the further detailed description of the automatic molding press of the utility model, this embodiment is only used for explaining the utility model, and does not constitute the limitation of the protection scope of the utility model.
As shown in fig. 1 to 3, a screw pushing device includes an extrusion cylinder 1, a screw 7, a wiper strip 2; the screw 7 is rotatably arranged in the extrusion cylinder 1, the left end of the screw 7 penetrates out of the left end of the extrusion cylinder 1 and is connected with the output end of the motor 5, and the screw 7 is welded with a helical blade 6 and a crushing cutter 3; a plurality of scraping strips 2 are arranged, two ends of each scraping strip 2 are respectively fixed at the top ends of two adjacent helical blades 6 on the same side, and the scraping strips 2 are parallel to the screw 7; the body of the scraping strip 2 is a flat middle section, the two ends of the scraping strip 2 are cylindrical (as shown in fig. 2), threads are arranged at the two ends of the scraping strip 2, bolt holes are reserved at the top ends of the helical blades 6, the end portions of the scraping strip 2 penetrate through the bolt holes in the helical blades 6, and the scraping strip 2 is fixed on the helical blades 6 through nuts. The two ends of the scraping strip 2 are cylindrical, so that the installation is convenient; the strip body of the scraping strip 2, namely the middle section, is flat, so that a better scraping effect can be achieved. The vertical distance between the scraping strip 2 and the wall of the extruding cylinder 1 is 2 mm, so that the scraping strip 2 is not in contact with the wall of the extruding cylinder 1, abrasion is avoided, and adhered materials can be cleaned in time. The crushing blades 3 are welded on the screw 7 and distributed between two adjacent spiral blades 6.
The right side of the extrusion cylinder 1 is connected with an extrusion port; the left side of the upper end of the extrusion cylinder 1 is communicated with a feed hopper 4; and a base is arranged below the extrusion cylinder 1. Further, the extrusion cylinder 1 comprises a stainless steel shell, and an electric heating wire, a heat insulation layer and a heat insulation cotton layer are sequentially arranged in the shell of the stainless steel shell. By adopting the scheme, the material in the extruding cylinder 1 can be heated, and the use requirement is met. Furthermore, the upper portion of feeder hopper 4 is equipped with the feed inlet, establishes rotatable roller bearing 8 on the cross section of feed inlet, and the both ends of roller bearing 8 are fixed on the feed inlet through bearing 10, leaves the space of unloading between the adjacent roller bearing 8. By adopting the scheme, the material enters the feed hopper 4 from the gap between the rollers 8, and the blockage of the feed hopper 4 caused by the discharge of the material can be avoided. Furthermore, a magnetic strip 9 is arranged on the rolling shaft 8, and the magnetic strip 9 can be used for adsorbing metal impurities in materials.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A screw pushing device characterized in that: comprises an extrusion cylinder, a screw and a scraping strip; the screw rod is rotatably arranged in the extrusion cylinder, the left end of the screw rod penetrates out of the extrusion cylinder to be connected with the output end of the motor, and the screw rod is welded with a helical blade and a crushing cutter; two ends of the scraping strip are respectively fixed at the top ends of two adjacent spiral blades, and the scraping strip is parallel to the screw rod; the right side of the extrusion cylinder is connected with an extrusion port; the left side of the upper end of the extrusion cylinder is communicated with a feed hopper; and a base is arranged below the extruding cylinder.
2. A screw pushing device as claimed in claim 1, wherein: the strip body of the scraping strip is flat, the two ends of the scraping strip are cylindrical, threads are arranged at the two ends of the scraping strip, bolt holes are reserved at the top ends of the helical blades, the end portions of the scraping strip penetrate into the bolt holes in the helical blades, and the scraping strip is fixed on the helical blades through nuts.
3. A screw pushing device as claimed in claim 2, wherein: the vertical distance between the scraping strip and the wall of the extruding cylinder is 1 mm to 3 mm.
4. A screw pushing device as claimed in claim 2, wherein: the extrusion cylinder comprises a stainless steel shell, and an electric heating wire, a heat preservation insulating layer and a heat insulation cotton layer are sequentially arranged in the shell of the stainless steel shell.
5. A screw pushing device as claimed in claim 3, wherein: the feeding device is characterized in that a feeding hole is formed in the upper portion of the feeding hopper, rotatable rolling shafts are arranged on the cross section of the feeding hole, two ends of each rolling shaft are fixed to the feeding hole through bearings, and a blanking gap is reserved between every two adjacent rolling shafts.
6. A screw pushing device as claimed in claim 5, wherein: the roller is provided with a magnetic strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921878935.4U CN211251283U (en) | 2019-11-04 | 2019-11-04 | Screw pushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921878935.4U CN211251283U (en) | 2019-11-04 | 2019-11-04 | Screw pushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211251283U true CN211251283U (en) | 2020-08-14 |
Family
ID=71987987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921878935.4U Active CN211251283U (en) | 2019-11-04 | 2019-11-04 | Screw pushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211251283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787750A (en) * | 2021-08-26 | 2021-12-14 | 农业农村部南京农业机械化研究所 | Squeezing and dewatering equipment for livestock and poultry manure alternating load and dewatering method thereof |
-
2019
- 2019-11-04 CN CN201921878935.4U patent/CN211251283U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787750A (en) * | 2021-08-26 | 2021-12-14 | 农业农村部南京农业机械化研究所 | Squeezing and dewatering equipment for livestock and poultry manure alternating load and dewatering method thereof |
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