CN215248282U - Feeding device and extruder with same - Google Patents
Feeding device and extruder with same Download PDFInfo
- Publication number
- CN215248282U CN215248282U CN202120853077.9U CN202120853077U CN215248282U CN 215248282 U CN215248282 U CN 215248282U CN 202120853077 U CN202120853077 U CN 202120853077U CN 215248282 U CN215248282 U CN 215248282U
- Authority
- CN
- China
- Prior art keywords
- axis
- feeding device
- rotating shaft
- blanking pipe
- fan blades
- Prior art date
- 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
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to the technical field of extruders, and discloses a feeding device and an extruder with the same, wherein the feeding device comprises a blanking pipe extending along a first axis, a rotating shaft extending along a second axis perpendicular to the first axis and positioned in the blanking pipe, a plurality of fan blades respectively connected to the rotating shaft, and a driving mechanism for driving the rotating shaft to rotate towards a first rotating direction; the plurality of fan blades are arranged around the second axis at intervals and extend along the second axis, and the plurality of fan blades are convex towards the second rotating direction respectively and form a convex surface and a concave surface used for driving materials to fall to the outlet of the blanking pipe along the first rotating direction. The feeding device of the utility model, firstly, forcibly drives the material to fall, and can ensure the smoothness of the blanking pipe; secondly, the concave surface of the fan blade has good effect of driving materials, and further ensures the smoothness of the blanking pipe.
Description
Technical Field
The utility model relates to an extruder technical field especially relates to a feeding device.
Background
The extruder extrudes and molds the plastic raw material through the rotation of the screw.
In the prior art, during blanking, the material generally falls naturally through gravity. When the mode is implemented, if the water content in the plastic raw material is increased due to overlong placing time or over-damp placed places, the plastic raw material is easy to block the blanking channel when passing through the blanking channel, so that the blanking is not smooth.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the feeding device can avoid blockage of a blanking channel.
In order to achieve the above object, a first aspect of the present invention provides a feeding device, including a feeding tube extending along a first axis, a rotating shaft extending along a second axis perpendicular to the first axis and located in the feeding tube, a plurality of blades respectively connected to the rotating shaft, and a driving mechanism for driving the rotating shaft to rotate in a first rotating direction; the plurality of fan blades are arranged around the second axis at intervals and extend along the second axis, and the plurality of fan blades are convex towards the second rotating direction respectively and form a convex surface and a concave surface used for driving materials to fall to the outlet of the blanking pipe along the first rotating direction.
Furthermore, the fan blades are respectively provided with a first edge connected to the rotating shaft and a second edge far away from the rotating shaft; in each fan blade, the first edge is parallel to a second axis, and the vertical distance between the second edge and the second axis in the direction of the second axis is in a trend of increasing and then decreasing.
Further, in each of the fan blades, the first edge and the second edge enclose a closed area.
Further, in the direction of the second axis: setting the vertical distance between the second edge and the second axis as a first value, wherein the first value has a trend of increasing first and then decreasing along the direction of the second axis; setting the minimum distance between the pipe wall of the blanking pipe and the second axis as a second value, wherein the second value has a change trend of increasing first and then decreasing along the direction of the second axis; the difference between the first value and the second value is less than a predetermined threshold.
Further, the predetermined threshold is greater than 0.25mm and less than 0.75 mm.
Further, the device also comprises a sleeve; the rotating shaft penetrates through the sleeve and is connected with the sleeve, and the fan blades are connected to the outer peripheral surface of the sleeve respectively.
Further, the device also comprises a feeding pipe; the feeding pipe is funnel-shaped and is connected to the inlet of the discharging pipe.
Further, the driving mechanism comprises a mounting seat mounted on the outer peripheral surface of the blanking pipe and a first motor mounted on the mounting seat; a first hole is formed in the mounting seat, and a second hole communicated with the first hole is formed in the outer peripheral surface of the blanking pipe; the rotating shaft sequentially penetrates through the second hole and the first hole and is connected to the first motor.
Further, the fan blades are four.
Compared with the prior art, the utility model, its beneficial effect lies in the feeding device that the first aspect provided: the fan blades with the radian are arranged in the blanking pipe, and the driving mechanism and the rotating shaft are used for driving the fan blades to rotate, so that the concave surfaces of the fan blades can rotate in the blanking pipe along a first rotating direction to push materials in the blanking pipe to be conveyed along a first axis, and therefore, the materials are forcibly driven to fall, and the smoothness of the blanking pipe can be guaranteed; secondly, the concave surface of the fan blade has good effect of driving materials, and further ensures the smoothness of the blanking pipe.
The utility model provides an extruder in a second aspect, which comprises a machine barrel, an injection molding rod arranged in the machine barrel, a second motor for driving the injection molding rod to rotate, and a feeding device provided in the first aspect; the outlet of the blanking pipe is communicated to the inside of the machine barrel.
Compared with the prior art, the utility model, its beneficial effect lies in the extruder that the second aspect provided: through setting up the feeding device that the first aspect provided, the material of extruder can keep continuously supplying, need not frequent shut down and maintains the unloading pipe to extrusion moulding efficiency obtains improving.
Drawings
Fig. 1 is a structural diagram of a feeding device in an embodiment of the present invention.
Fig. 2 is a top view of the feeding device of the embodiment of the present invention.
Fig. 3 is a structure diagram of the fan blades and the rotating shaft of the feeding device of the embodiment of the present invention.
Fig. 4 is a structural diagram of an extruder according to an embodiment of the present invention.
In the figure, 1, a blanking pipe; 2. a rotating shaft; 3. a fan blade; 31. a convex surface; 32. a concave surface; 33. a first edge; 34. a second edge; 4. a mounting seat; 5. a first motor; 6. a barrel; 7. a second motor; 8. and a feeding pipe.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1 to 4, a first aspect of the preferred embodiment of the present invention provides a feeding device, which includes a feeding pipe 1 extending along a first axis, a rotating shaft 2 extending along a second axis perpendicular to the first axis and located in the feeding pipe 1, a plurality of blades 3 respectively connected to the rotating shaft 2, and a driving mechanism for driving the rotating shaft 2 to rotate in a first rotating direction; a plurality of flabellum 3 respectively around the second axis interval sets up and follows the second axis extends, and is a plurality of flabellum 3 is protruding and form convex surface 31 and be used for driving the material along first direction of rotation whereabouts to the concave surface 32 of the exit of unloading pipe 1 respectively to the second direction of rotation.
When the material feeding device is used, after materials enter the feeding pipe 1 from the inlet of the feeding pipe 1, the driving mechanism drives the rotating shaft 2 to rotate, so that the plurality of fan blades 3 are driven to rotate, and the materials are blocked by the rotating shaft 2 and the plurality of fan blades 3 and are clamped between the two fan blades 3 along with the falling of the materials; with the rotation of the fan blades 3, the concave surface 32 of the fan blade 3 contacts the material between the two fan blades 3, and drives the material between the two fan blades 3 along the first rotation direction with the further rotation of the fan blades 3 until the material is no longer blocked by the fan blades 3 and falls freely to the outlet of the blanking pipe 1. Therefore, the materials between two adjacent fan blades 3 are forced to fall in sequence repeatedly.
Compared with the prior art, the utility model, its beneficial effect lies in the feeding device that the first aspect provided: by arranging the fan blades 3 with radian in the blanking pipe 1 and driving the fan blades 3 to rotate by using the driving mechanism and the rotating shaft 2, the concave surfaces 32 of the fan blades 3 can rotate in the blanking pipe 1 along a first rotating direction so as to push materials in the blanking pipe 1 to be conveyed along a first axis, so that the materials are forcibly driven to fall, and the smoothness of the blanking pipe 1 can be ensured; secondly, the concave surface 32 of the fan blade 3 has a good effect of driving the material, thereby further ensuring the smoothness of the feeding pipe 1.
Further, in one embodiment, referring to fig. 1 to 4, each of the fan blades 3 has a first edge 33 connected to the rotating shaft 2 and a second edge 34 away from the rotating shaft 2; in each fan blade 3, the first edge 33 is parallel to a second axis, and in the direction of the second axis, the vertical distance between the second edge 34 and the second axis is in a trend of increasing and then decreasing.
In this embodiment, in order to ensure that the fan blades 3 can force all the materials in the discharging pipe 1 to fall down as much as possible, the first edge 33 is parallel to the second axis, and the vertical distance between the second edge 34 and the second axis is set to be a trend of increasing and then decreasing, so that the fan blades 3 extend along the second axis to cover the cross-sectional area of the discharging pipe 1.
Further, in one embodiment, referring to fig. 1 to 4, in each of the fan blades 3, the first edge 33 and the second edge 34 enclose to form an enclosed area to further adapt to the annular inner wall of the feeding pipe 1. In other ways, each fan blade 3 may be configured to further include a third edge and a fourth edge that are parallel to each other, such that the first edge 33, the third edge, the second edge 34, and the fourth edge are connected end to end, but this way will result in a gap area on both sides of the first edge 33, in which material may be jammed, thereby reducing blanking efficiency.
Further, in one embodiment, referring to fig. 1 to 4, in the direction of the second axis: setting the vertical distance between the second edge 34 and the second axis as a first value, wherein the first value has a trend of increasing first and then decreasing along the direction of the second axis; setting the minimum distance between the pipe wall of the blanking pipe 1 and the second axis as a second value, wherein the second value has a change trend of increasing first and then decreasing along the direction of the second axis; the difference between the first value and the second value is less than a predetermined threshold.
In this embodiment, the limit values of the first value and the second value, i.e., the predetermined threshold value, are set so as to limit the minimum gap between the second edge 34 and the inner wall of the blanking pipe 1, so that the predetermined threshold value can be adjusted as required in practice. The larger the predetermined threshold value is, the larger the minimum gap between the second edge 34 and the inner wall of the blanking tube 1 is, the more the material cannot be blanked forcibly; the smaller the predetermined threshold, the smaller the minimum gap between the second edge 34 and the inner wall of the blanking tube 1, the less material that cannot be blanked off forcibly.
Further, in one embodiment, referring to fig. 1-4, the predetermined threshold is greater than 0.25mm and less than 0.75 mm. Preferably, the predetermined threshold is 0.5 mm.
Further, in one embodiment, please refer to fig. 1 to 4, further comprising a sleeve; the rotating shaft 2 penetrates through the sleeve and is connected with the sleeve, and the fan blades 3 are connected to the outer peripheral surface of the sleeve respectively. When in actual use, when the fan blade 3 is damaged, the sleeve and the fan blade 3 can be taken into consideration to be disassembled, the rotating shaft 2 is reserved, and the maintenance cost is reduced.
Further, in one embodiment, please refer to fig. 1 to 4, further comprising a feeding pipe 8; the feeding pipe 8 is funnel-shaped and is connected to the inlet of the blanking pipe 1, so that the materials can smoothly fall into the blanking pipe 1.
Further, in an embodiment, referring to fig. 1 to 4, the driving mechanism includes a mounting seat 4 mounted on an outer circumferential surface of the blanking pipe 1 and a first motor 5 mounted on the mounting seat 4; a first hole is formed in the mounting seat 4, and a second hole communicated with the first hole is formed in the outer peripheral surface of the blanking pipe 1; the rotating shaft 2 sequentially penetrates through the second hole and the first hole and is connected to the first motor 5. The present embodiment provides an embodiment of a drive mechanism that can ensure rotation of the rotating shaft 2.
Further, in one embodiment, referring to fig. 1 to 4, four blades 3 are provided, so that the adjacent rotating shafts 2 are arranged at 90 ° intervals around the rotating shaft 2, thereby ensuring that the burden of each blade 3 is not too heavy and ensuring the blanking speed.
The utility model provides an extruder in a second aspect, which comprises a machine barrel 6, an injection molding rod arranged in the machine barrel 6, a second motor 7 for driving the injection molding rod to rotate, and a feeding device provided in the first aspect; the outlet of the blanking pipe 1 is communicated to the inside of the machine barrel 6.
Compared with the prior art, the utility model, its beneficial effect lies in the extruder that the second aspect provided: through setting up the feeding device that the first aspect provided, the material of extruder can keep continuously supplying, need not frequent shut down and maintains blanking pipe 1 to extrusion moulding efficiency obtains improving.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A feeding device is characterized by comprising a blanking pipe extending along a first axis, a rotating shaft extending along a second axis perpendicular to the first axis and positioned in the blanking pipe, a plurality of fan blades respectively connected to the rotating shaft, and a driving mechanism for driving the rotating shaft to rotate towards a first rotating direction;
the plurality of fan blades are arranged around the second axis at intervals and extend along the second axis, and the plurality of fan blades are convex towards the second rotating direction respectively and form a convex surface and a concave surface used for driving materials to fall to the outlet of the blanking pipe along the first rotating direction.
2. The feeding device of claim 1, wherein a plurality of the fan blades respectively have a first edge connected to the rotating shaft and a second edge far from the rotating shaft;
in each fan blade, the first edge is parallel to a second axis, and the vertical distance between the second edge and the second axis in the direction of the second axis is in a trend of increasing and then decreasing.
3. Feeding device according to claim 2, characterized in that in each of the fan blades the first edge and the second edge enclose a closed area.
4. Feeding device according to claim 2,
in the direction of the second axis:
setting the vertical distance between the second edge and the second axis as a first value, wherein the first value has a trend of increasing first and then decreasing along the direction of the second axis;
setting the minimum distance between the pipe wall of the blanking pipe and the second axis as a second value, wherein the second value has a change trend of increasing first and then decreasing along the direction of the second axis;
the difference between the first value and the second value is less than a predetermined threshold.
5. Feeding device according to claim 4, characterized in that the predetermined threshold value is greater than 0.25mm and less than 0.75 mm.
6. Feeding device according to claim 1, further comprising a sleeve;
the rotating shaft penetrates through the sleeve and is connected with the sleeve, and the fan blades are connected to the outer peripheral surface of the sleeve respectively.
7. Feeding device according to claim 1, characterized in that it further comprises a feeding pipe; the feeding pipe is funnel-shaped and is connected to the inlet of the discharging pipe.
8. The feeding device of claim 1, wherein the driving mechanism comprises a mounting seat mounted on the outer circumferential surface of the blanking pipe and a first motor mounted on the mounting seat;
a first hole is formed in the mounting seat, and a second hole communicated with the first hole is formed in the outer peripheral surface of the blanking pipe;
the rotating shaft sequentially penetrates through the second hole and the first hole and is connected to the first motor.
9. Feeding device according to claim 1, characterised in that four blades are provided.
10. An extruder, which is characterized by comprising a machine barrel, an injection molding rod arranged in the machine barrel, a second motor driving the injection molding rod to rotate, and a feeding device according to claims 1-9;
the outlet of the blanking pipe is communicated to the inside of the machine barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120853077.9U CN215248282U (en) | 2021-04-23 | 2021-04-23 | Feeding device and extruder with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120853077.9U CN215248282U (en) | 2021-04-23 | 2021-04-23 | Feeding device and extruder with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215248282U true CN215248282U (en) | 2021-12-21 |
Family
ID=79510691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120853077.9U Expired - Fee Related CN215248282U (en) | 2021-04-23 | 2021-04-23 | Feeding device and extruder with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215248282U (en) |
-
2021
- 2021-04-23 CN CN202120853077.9U patent/CN215248282U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI452965B (en) | Split-type, bottom-charging, omnidirectional fish feeder | |
| CN209007944U (en) | A kind of plastic extruder convenient for melting sources | |
| CN213376149U (en) | Air flow conveying device for feeding of coating mixing tank | |
| CN215248282U (en) | Feeding device and extruder with same | |
| CN212072909U (en) | Medical plastic particle regeneration extrusion strip water cooling device | |
| CN212655131U (en) | Avoid support of putty to divide cave receiving device | |
| CN216372907U (en) | Novel energy-concerving and environment-protective granulator | |
| CN210733209U (en) | Rubber auxiliary agent masterbatching equipment capable of smoothly discharging | |
| CN212498425U (en) | Plastic extruder | |
| CN210682091U (en) | Loading attachment of raw material area winder | |
| CN217834664U (en) | Cooling tank for extruder | |
| CN215396801U (en) | Leak protection type plastic extruder | |
| CN220742074U (en) | Cutlery box sheet extruder of material loading conveniently carries out | |
| CN214651600U (en) | Material feeding unit is used in plastic goods processing | |
| CN218013865U (en) | High-efficient extrusion device of moulding powder | |
| CN220950254U (en) | Conveying device for processing viscous materials | |
| CN219652223U (en) | Stopper dish line material buffer | |
| CN210792008U (en) | Extrusion molding discharging device capable of discharging uniformly | |
| CN214521723U (en) | Machine barrel of injection molding equipment | |
| CN220409573U (en) | Energy-saving type water shaking machine for draining water after water cooling of extruded strips | |
| CN217916653U (en) | Adjustable double-screw extrusion device | |
| CN210436609U (en) | Novel inflation film manufacturing machine of anti-blocking formula | |
| CN214266556U (en) | Rubber products processing is with extruding segmenting device | |
| CN210432812U (en) | Novel fodder granulator | |
| CN219988401U (en) | Board extruder barrel with anti-blocking structure |
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: 20211221 |