CN210733264U - Material injection nozzle for plastic pipe machining - Google Patents
Material injection nozzle for plastic pipe machining Download PDFInfo
- Publication number
- CN210733264U CN210733264U CN201921546180.8U CN201921546180U CN210733264U CN 210733264 U CN210733264 U CN 210733264U CN 201921546180 U CN201921546180 U CN 201921546180U CN 210733264 U CN210733264 U CN 210733264U
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- CN
- China
- Prior art keywords
- material injection
- injection nozzle
- hole
- nozzle body
- head
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a material mouth is annotated in plastics tubular product processing belongs to tubular product processing technology field. The material injection nozzle comprises a material injection nozzle body (1) which is vertically arranged and is opened upwards, wherein the cross section of the material injection nozzle body (1) is circular and is gradually reduced from top to bottom; the bottom of the material injection nozzle body (1) is detachably provided with a duckbilled material injection head (2); the included angle between the material injection head (2) and the material injection nozzle body (1) is 135-170 degrees, the material injection hole (22) communicated with the material injection nozzle body (1) is formed in the material injection head, the material injection hole (22) is gradually reduced from top to bottom, and the cross section of the material injection hole is changed from a circle to a vertically arranged rectangular hole, an oblong hole or an elliptical hole. In the patent, the material injection head is easy to replace as required; the structure of the material injection hole is adjusted, so that the pouring is more uniform, the leveling is easy, and the defects are not easy to generate.
Description
Technical Field
The utility model relates to a tubular product processing technology field, concretely relates to material mouth is annotated in plastics tubular product processing, mainly used processing HDPE double-walled winding pipe.
Background
The HDPE double-wall winding pipe is made of steel-plastic composite special-shaped strips through spiral winding welding (extrusion welding on a lap joint surface), and the inner wall of the HDPE double-wall winding pipe is smooth and flat. The pipe has the advantages of corrosion resistance, light weight, simple and convenient installation, large flow rate, long service life (50 years) and the like, can replace the pipe made of high-energy-consumption materials (cement, cast iron, ceramics and the like), and belongs to an environment-friendly green product.
The plastic pipe processing flow is generally that the plastic is conveyed to an extruder from a material supply end, the plastic is melted by the extruder and extruded into a pipe blank through a die, the pipe blank enters a sizing sleeve for sizing, cooling and shaping, then the pipe blank is conveyed by a tractor, and finally the pipe blank is cut by a cutting machine or wound by a winding machine. The general large-caliber plastic winding pipe is produced by two extruders, firstly, a round pipe is extruded by the first extruder, then, the round pipe is shaped in vacuum to form a square pipe, then, the square pipe is spirally wound on a forming machine, meanwhile, a gap is welded by using a melt extruded by the second extruder, and finally, the square thin pipe is wound to form the pipe wall of the large-caliber winding pipe.
The material injection nozzle of the second extruder in the production line adopts double-hole side pouring, has large volume and is difficult to replace, simultaneously has large raw material consumption, uneven pouring, difficult leveling and easy defect generation.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the embodiment of the utility model provides a material mouth is annotated in plastics tubular product processing. The technical scheme is as follows:
the embodiment of the utility model provides a plastic pipe processing material injection nozzle, which comprises a material injection nozzle body 1 which is vertically arranged and is provided with an upper opening, wherein the cross section of the material injection nozzle body 1 is circular and is gradually reduced from top to bottom; the bottom of the material injection nozzle body 1 is detachably provided with a duckbilled material injection head 2; the included angle between the material injection head 2 and the material injection nozzle body 1 is 135-170 degrees, the material injection hole 22 communicated with the material injection nozzle body 1 is arranged on the material injection head, the material injection hole 22 is gradually reduced from top to bottom, and the cross section of the material injection hole is in circular transition to be a vertically arranged rectangular hole or an oblong hole or an elliptical hole.
Wherein, the embodiment of the utility model provides an in annotate material mouth body 1 and annotate material head 2 through threaded connection.
Specifically, the embodiment of the utility model provides an in 1 bottom slope of notes material mouth body be equipped with threaded sleeve 11, annotate material head 2 for the straight tube structure and its upper portion be equipped with threaded sleeve 11 complex external screw thread 21, external screw thread 21 and threaded sleeve 11 threaded connection.
Specifically, the included angle between the material injecting head 2 and the material injecting nozzle body 1 in the embodiment of the present invention is 150 °.
Preferably, the bottom end of the material injection hole 22 in the embodiment of the present invention is a vertically arranged long circular hole; and round holes with the diameter larger than the width of the round holes are arranged at the upper end and the lower end of the round holes.
Specifically, the width of the long round hole in the embodiment of the utility model is 0.4-1.2cm, and the length thereof is 3-5 cm; the diameter of the round hole is 0.6-1.5 cm.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is:
1. the utility model has simple structure, smaller volume, more space saving and convenient operation; annotate the stub bar and annotate the material cavity and pass through connecting hole and connector threaded connection, the dismouting is simple, the change of being convenient for.
2. The utility model discloses the cross section of annotating the stub bar reduces from root to tip gradually, annotates the material hole setting and is in annotate stub bar tip bottom surface, it is rectangular shape distribution to annotate the material hole, it is narrow in the middle of the wide material hole both ends of notes for the raw materials quantity is saved more, and the pouring is more even, and easy levelling is difficult for producing the defect.
3. Annotate notes material hole of stub bar has multiple model, can change according to the tubular product production needs of different models.
Drawings
Fig. 1 is a schematic structural view of a plastic pipe processing material injection nozzle provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a material injection head provided by the embodiment of the present invention;
fig. 3 is a schematic structural diagram of the bottom end of the injection head provided by the embodiment of the present invention.
In the figure: 1 annotate the material mouth body, 2 annotate the stub bar, 11 threaded sleeve pipes, 21 external screw threads, 22 annotate the material hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-3, an embodiment of the present invention provides a material injection nozzle for plastic pipe processing, including a material injection nozzle body 1 vertically arranged and opened upward, wherein the cross section of the material injection nozzle body 1 is circular and gradually reduced from top to bottom; the structure of the material injection nozzle is basically consistent with that of the existing plastic pipe processing nozzle, and the difference is that: annotate 1 bottom detachably of material mouth body in this embodiment and be equipped with the notes stub bar 2 of duckbilled, can change the notes stub bar 2 of different specifications according to actual need. The included angle between the material injection head 2 and the material injection nozzle body 1 is 135-170 degrees, the material injection hole 22 communicated with the material injection nozzle body 1 is arranged on the material injection head, the material injection hole 22 is gradually reduced from top to bottom, and the cross section of the material injection hole is transited from a circle to a vertically arranged rectangular hole, an oblong hole or an elliptical hole (bottom end) and the like.
Wherein, referring to fig. 2 and 3, the material injecting nozzle body 1 and the material injecting head 2 in the embodiment of the present invention are connected by screw threads so as to be conveniently replaced.
Specifically, referring to fig. 2 and 3, the bottom of the material injection nozzle body 1 in the embodiment of the present invention is inclined to be provided with the threaded sleeve 11, the material injection nozzle 2 (inclined to be disposed) is of a straight pipe structure and is provided with an external thread 21 cooperating with the threaded sleeve 11 at the upper part thereof, and the external thread 21 is in threaded connection with the threaded sleeve 11.
Specifically, the included angle between the material injecting head 2 and the material injecting nozzle body 1 in the embodiment of the present invention is 150 °.
Preferably, referring to fig. 3, the bottom end of the material injecting hole 22 in the embodiment of the present invention is a vertically arranged long circular hole, and the upper and lower ends of the long circular hole are provided with circular holes with a diameter larger than the width of the long circular hole (concentrically arranged with the semi-circles at the upper and lower ends of the long circular hole, which preferably also gradually decrease from top to bottom).
Specifically, the width of the long round hole in the embodiment of the utility model is 0.4-1.2cm, and the length thereof is 3-5 cm. The diameter of the round hole is 0.6-1.5cm, which is less than half of the diameter of the two material injection holes in the prior art.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. A plastic pipe processing material injection nozzle comprises a material injection nozzle body (1) which is vertically arranged and is opened upwards, wherein the cross section of the material injection nozzle body (1) is circular and is gradually reduced from top to bottom; the method is characterized in that: the bottom of the material injection nozzle body (1) is detachably provided with a duckbilled material injection head (2); the included angle between the material injection head (2) and the material injection nozzle body (1) is 135-170 degrees, the material injection hole (22) communicated with the material injection nozzle body (1) is formed in the material injection head, the material injection hole (22) is gradually reduced from top to bottom, and the cross section of the material injection hole is changed from a circle to a vertically arranged rectangular hole, an oblong hole or an elliptical hole.
2. The plastic pipe processing injection nozzle of claim 1, wherein: the material injection nozzle body (1) is connected with the material injection head (2) through threads.
3. The plastic pipe processing injection nozzle of claim 2, wherein: annotate material mouth body (1) bottom slope and be equipped with threaded sleeve pipe (11), annotate material head (2) and be the straight tube structure and its upper portion be equipped with threaded sleeve pipe (11) complex external screw thread (21), external screw thread (21) and threaded sleeve pipe (11) threaded connection.
4. The plastic pipe processing injection nozzle of claim 1, wherein: the included angle between the material injection head (2) and the material injection nozzle body (1) is 150 degrees.
5. The plastic pipe processing injection nozzle of claim 1, wherein: the bottom end of the material injection hole (22) is a vertically arranged long round hole; and round holes with the diameter larger than the width of the round holes are arranged at the upper end and the lower end of the round holes.
6. The plastic pipe processing injection nozzle of claim 5, wherein: the width of the long round hole is 0.4-1.2cm, and the length of the long round hole is 3-5 cm; the diameter of the round hole is 0.6-1.5 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921546180.8U CN210733264U (en) | 2019-09-18 | 2019-09-18 | Material injection nozzle for plastic pipe machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921546180.8U CN210733264U (en) | 2019-09-18 | 2019-09-18 | Material injection nozzle for plastic pipe machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210733264U true CN210733264U (en) | 2020-06-12 |
Family
ID=70989655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921546180.8U Expired - Fee Related CN210733264U (en) | 2019-09-18 | 2019-09-18 | Material injection nozzle for plastic pipe machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210733264U (en) |
-
2019
- 2019-09-18 CN CN201921546180.8U patent/CN210733264U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 Termination date: 20200918 |