CN216376249U - Feeding screw and plastic feeding device - Google Patents
Feeding screw and plastic feeding device Download PDFInfo
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- CN216376249U CN216376249U CN202122543159.6U CN202122543159U CN216376249U CN 216376249 U CN216376249 U CN 216376249U CN 202122543159 U CN202122543159 U CN 202122543159U CN 216376249 U CN216376249 U CN 216376249U
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- rotating shaft
- pivot
- feeding
- shafts
- feed screw
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Abstract
The application discloses a feeding screw and a plastic feeding device, which comprise a first rotating shaft and a second rotating shaft; the first rotating shafts are provided with a plurality of threads; the second pivot is equipped with a plurality ofly, and each second pivot is connected respectively between two adjacent first pivots, and first pivot and second pivot coaxial center set up, and the diameter of second pivot is less than the diameter of first pivot. This application is through setting up interval distribution's first pivot and second pivot to only set up the helicitic texture on first pivot surface, and the surface of second pivot is smooth, and the frictional force between second pivot and the material is less, and the resistance that the material brought for the pay-off screw rod obtains effectual reduction, and the energy consumption that the pay-off screw rod carried the material is low.
Description
Technical Field
The application relates to the technical field of material conveying, in particular to a feeding screw and a plastic feeding device.
Background
The feeding screw is a screw structure for conveying materials, and is generally used for conveying granular or liquid materials, such as conveying plastic granules, extruding molten plastics and the like.
In the prior art, when the feeding screw rotates, the spiral blade on the surface of the feeding screw pushes the material to move forward, so that the feeding action is realized, in the feeding process, the spiral blade on the surface of the feeding screw and the material can rub against each other, and great resistance can be brought to the conveying action of the feeding screw, so that a great amount of energy is consumed to drive the feeding screw to realize rotary feeding, and the energy loss of the whole structure is great.
SUMMERY OF THE UTILITY MODEL
The present application is directed to solving at least one of the problems in the prior art. Therefore, the application provides a feeding screw rod, which can effectively reduce friction between the feeding screw rod and materials and improve the energy utilization rate.
The application also provides a plastics material feeding unit.
The feeding screw rod according to the embodiment of the first aspect of the application comprises a first rotating shaft and a second rotating shaft; the first rotating shafts are provided with a plurality of threads; the second pivot is equipped with a plurality ofly, and each second pivot is connected respectively between two adjacent first pivots, and first pivot and second pivot coaxial center set up, and the diameter of second pivot is less than the diameter of first pivot.
The feeding screw rod according to the embodiment of the first aspect of the application has at least the following beneficial effects: the feeding screw rods are arranged as the first rotating shaft and the second rotating shaft which are distributed at intervals, and the thread structure is only arranged on the surface of the first rotating shaft, while the surface of the second rotating shaft is smooth, so that when the feeding screw rods rotate, the friction between the second rotating shaft and the materials is small, the friction between the whole feeding screw rods and the materials can be effectively reduced, the resistance brought to the feeding screw rods by the materials is effectively reduced, and the energy loss formed by converting mechanical energy into internal energy is reduced; in addition, the second rotating shaft is arranged between two adjacent first rotating shafts, and materials in the area where the second rotating shaft is located are pushed to advance through materials driven by the thread structures on the adjacent first rotating shafts, so that the materials can be effectively driven to advance.
According to some embodiments of the feed screw of the present application, the thread structure is a blade helically arranged around the first axis of rotation.
According to some embodiments of the feed screw of the present application, the second shaft has a length less than a length of the first shaft.
According to some embodiments of the present application, the feeding screw further includes a plurality of guiding members, the guiding members are connected between the adjacent first rotating shaft and the adjacent second rotating shaft, and the guiding members are used for ensuring that the material can smoothly pass through the adjacent first rotating shaft and the adjacent second rotating shaft.
According to the feeding screw rod of some embodiments of the present application, the guide member is a circular truncated cone, an upper bottom of the circular truncated cone is connected to the second rotating shaft, and a lower bottom of the circular truncated cone is connected to the first rotating shaft.
According to some embodiments of the feed screw of the present application, the first rotating shaft and the second rotating shaft are both ceramic rotating shafts.
The plastic feeding device according to the embodiment of the second aspect of the application comprises the feeding screw, the feeding pipe and the feeding pipe of the embodiment of the first aspect; the first rotating shaft and the second rotating shaft are arranged in the feeding pipe, a bearing is arranged in the feeding pipe, and the first rotating shaft is connected with the feeding pipe through the bearing; the feed pipe is communicated with the feeding pipe.
According to the plastic feeding device of the embodiment of the second aspect of the application, at least the following advantages are achieved: the feeding screw rods are arranged as the first rotating shaft and the second rotating shaft which are distributed at intervals, and the thread structures are only arranged on the surface of the first rotating shaft, while the surface of the second rotating shaft is smooth, so that when the feeding screw rods rotate, the friction between the second rotating shaft and the materials is small, the friction between the whole feeding screw rods and the materials can be effectively reduced, the resistance brought by the materials to the feeding screw rods is effectively reduced, the mechanical energy is reduced and converted into internal energy, and the energy consumption of the feeding screw rods for conveying the materials is low; in addition, the second rotating shaft is arranged between two adjacent first rotating shafts, the space among the first rotating shafts, the second rotating shafts and the inner wall of the feeding pipe is limited, and materials in the area where the second rotating shaft is located are extruded to advance through the materials driven by the thread structures on the adjacent first rotating shafts, so that reliable advancing action of the materials can be realized.
According to some embodiments of the plastic feeding device of the present application, the feeding pipe is located at one side of the first rotating shaft.
According to some embodiments of the plastic material feeding device of the present application, the feeding pipe is externally provided with a heating layer for heating the material inside the feeding pipe.
According to the plastics material feeding unit of some embodiments of this application, the one side that the conveying pipe was kept away from to the zone of heating is equipped with the heat preservation, and the heat preservation is used for avoiding the heat loss of zone of heating to external environment.
Additional aspects and advantages of the present application 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 present application.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of a feed screw according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a plastic feeding device according to an embodiment of the present application.
A first shaft 100, a thread structure 110;
a second rotating shaft 200;
a guide 300;
a feeding pipe 400, a bearing 410, a heating layer 420 and an insulating layer 430;
a feed tube 500.
Detailed Description
Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, left, right, front, rear, and the like, referred to as positional or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
In the description of the present application, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.
In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.
The embodiment of the application provides a feeding screw and a plastic feeding device to reduce frictional resistance during feeding, thereby reducing energy loss during feeding.
Referring to fig. 1, the feed screw according to the embodiment of the first aspect of the present application includes a first rotating shaft 100 and a second rotating shaft 200; a plurality of first rotating shafts 100 are arranged, a thread structure 110 is arranged outside the first rotating shafts 100, and the thread structure 110 can be used for conveying materials when rotating; the number of the second rotating shafts 200 is multiple, each second rotating shaft 200 is respectively connected between two adjacent first rotating shafts 100, the first rotating shafts 100 and the second rotating shafts 200 are coaxially and fixedly connected, namely the first rotating shafts 100 and the second rotating shafts 200 can synchronously rotate, the diameter of the second rotating shafts 200 is smaller than that of the first rotating shafts 100, and the surfaces of the second rotating shafts 200 are smooth so as to reduce the resistance of material conveying.
The feeding screws are the first rotating shaft 100 and the second rotating shaft 200 which are distributed at intervals, the thread structure 110 is only arranged on the surface of the first rotating shaft 100, the surface of the second rotating shaft 200 is smooth, when the feeding screws rotate, the friction force between the second rotating shaft 200 and the materials is small, the friction between the whole feeding screws and the materials can be effectively reduced, the resistance brought to the feeding screws by the materials is effectively reduced, and therefore the energy loss formed by converting mechanical energy into internal energy is reduced; the diameter of the second rotating shaft 200 is smaller than that of the first rotating shaft 100, so that the area where the second rotating shaft 200 is located can contain more materials than the area where the first rotating shaft 100 is located, and the second rotating shaft 200 is prevented from obstructing the advance of the materials; in addition, the second rotating shaft 200 is arranged between two adjacent first rotating shafts 100, and the material in the area where the second rotating shaft 200 is located is pushed to advance by the material driven by the thread structure 110 on the adjacent first rotating shafts 100, so that the material can be effectively driven to advance.
Specifically, the thread structure 110 is a groove spirally arranged around the first rotating shaft 100, when in use, the first rotating shaft 100 rotates, the groove on the surface of the first rotating shaft 100 rotates along with the rotation, the material is pushed to advance through the inside of the spirally arranged groove, and since the diameter of the second rotating shaft 200 is smaller than that of the first rotating shaft 100, that is, the second rotating shaft 200 is recessed inwards compared with the first rotating shaft 100, the material can be effectively conveyed to the second rotating shaft 200 through the first rotating shaft 100 and the thread structure 110.
It can be understood that, in addition to the screw thread structure 110 being provided as a groove, the screw thread structure 110 may also be provided as a blade spirally arranged around the first rotating shaft 100, the spirally arranged blade can rotate along with the first rotating shaft 100, the material is pushed to advance by the blade, and the spirally arranged blade can be sized according to the use requirement, so as to adapt to different material conveying requirements.
It can be understood that the length of the second rotating shaft 200 is smaller than the length of the first rotating shaft 100, so that the material flow is prevented from being broken in the conveying process, the efficiency of material conveying can be effectively improved, and the material from the area where the first rotating shaft 100 is located can be effectively pushed to advance by the material located in the area where the second rotating shaft 200 is located.
It can be understood that the feeding screw further includes a plurality of guiding elements 300, the guiding elements 300 are connected between the adjacent first rotating shaft 100 and the adjacent second rotating shaft 200, the guiding elements 300 use smooth guiding surfaces to replace the stepped structure formed between the adjacent first rotating shaft 100 and the adjacent second rotating shaft 200, so as to ensure that the material can smoothly pass through the position between the adjacent first rotating shaft 100 and the adjacent second rotating shaft 200, and prevent the end surface of the first rotating shaft 100 from obstructing the material from the area where the second rotating shaft 200 is located, thereby improving the resistance of the feeding screw during feeding, and effectively ensuring the feeding smoothness of the whole structure.
Specifically, guide 300 is terrace with edge spare, and second pivot 200 is connected to the upper base of terrace with edge spare, and first pivot 100 is connected to the lower base of terrace with edge spare, connects the side of first pivot 100 and the side of second pivot 200 through the side of terrace with edge to effectively improve the smooth and easy nature that the material was carried.
It can be understood that, the guide 300 is not only arranged as a prismatic table, but also the guide 300 can be arranged as a circular table, the upper bottom of the circular table is connected with the second rotating shaft 200, the lower bottom of the circular table is connected with the first rotating shaft 100, the diameter of the upper bottom of the circular table is equal to that of the second rotating shaft 200, the diameter of the lower bottom of the circular table is equal to that of the first rotating shaft 100, and the side surface of the circular table can be perfectly connected with the side surface of the first rotating shaft 100 and the side surface of the second rotating shaft 200, so that the smoothness of material transmission is effectively improved.
It can be understood that first pivot 100 and second pivot 200 are the ceramic pivot, and the pottery has advantages such as high melting point, high hardness, high wear resistance and low coefficient of friction, not only can adapt to the transport of materials such as high temperature melting plastics, can also effectively reduce the friction between first pivot 100, second pivot 200 and the material. When the thread structure 110 is a spirally arranged blade, the blade is a ceramic blade, and when the first rotating shaft 100 rotates, the friction force between the ceramic blade and the material is low, so that the resistance of the feeding screw rod during material transmission can be effectively reduced, and the energy loss is reduced.
A plastic feeding device according to an embodiment of the second aspect of the present application, as shown in fig. 2, includes the feeding screw, the feeding pipe 400 and the feeding pipe 500 of the above-mentioned embodiment of the first aspect; the first rotating shaft 100 and the second rotating shaft 200 are both arranged in the feeding pipe 400, a bearing 410 is arranged in the feeding pipe 400, and the first rotating shaft 100 is connected with the feeding pipe 400 through the bearing 410; the feed tube 500 is in communication with the feed tube 400, and material enters the feed tube 400 from the feed tube 500. Specifically, a space is formed between the second rotating shaft 200 and the feeding pipe 400 to effectively accommodate the material.
The feeding screws are the first rotating shaft 100 and the second rotating shaft 200 which are distributed at intervals, the thread structure 110 is only arranged on the surface of the first rotating shaft 100, the surface of the second rotating shaft 200 is smooth, when the feeding screws rotate, the friction force between the second rotating shaft 200 and the materials is small, the friction between the whole feeding screws and the materials can be effectively reduced, and the resistance brought to the feeding screws by the materials is effectively reduced, so that the mechanical energy is reduced and converted into internal energy, and the low energy consumption of the feeding screws for conveying the materials is further ensured; in addition, the second rotating shaft 200 is arranged between two adjacent first rotating shafts 100, the space between each first rotating shaft 100 and the space between each second rotating shaft 200 and the inner wall of the feeding pipe 400 are limited, and the material in the area where the second rotating shaft 200 is located is extruded and moved forward through the material driven by the thread structures 110 on the adjacent first rotating shafts 100, so that the material can be ensured to be reliably moved forward.
Specifically, a motor is arranged outside the feeding pipe 400, the motor is connected with the first rotating shaft 100 through a linkage assembly such as a gear or a coupler, the motor can drive the first rotating shaft 100 to rotate, and the second rotating shaft 200 can rotate synchronously.
It can be appreciated that the feed pipe 500 is located at one side of the first rotating shaft 100, and the material entering from the feed pipe 500 can directly reach the area of the first rotating shaft 100 in the feed pipe 400, so as to ensure that the material entering from the feed pipe 500 to the feed pipe 400 can be effectively driven to advance by the blade on the surface of the first rotating shaft 100.
It can be understood that, conveying pipe 400 is equipped with zone of heating 420 outward, and zone of heating 420 is used for heating the inside material of conveying pipe 400, when being applied to the material that has the requirement to the temperature of transmission melting plastic etc., can avoid the material to block up conveying pipe 400 at the in-process solidification of carrying to ensure the reliability that the material was carried, zone of heating 420 can set up to heating structures such as heating wire, electric heat membrane.
Specifically, one side that conveying pipe was kept away from to zone of heating 420 is equipped with heat preservation 430, and heat preservation 430 is used for avoiding zone of heating 420's heat to run off to external environment, can improve the utilization ratio of energy effectively, and heat preservation 430 can set up to aluminium foil layer or asbestos layer etc..
While embodiments of the present application 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 application, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A feed screw, comprising:
the first rotating shafts are provided with a plurality of first rotating shafts, and thread structures are arranged outside the first rotating shafts;
the second pivot is equipped with a plurality ofly, respectively the second pivot is connected respectively in each adjacent two between the first pivot, first pivot with the second pivot is with the axle center setting, the diameter of second pivot is less than the diameter of first pivot.
2. A feed screw according to claim 1, characterised in that the thread formation is a blade arranged helically about the first axis of rotation.
3. A feed screw as claimed in claim 1, in which the length of the second shaft is less than the length of the first shaft.
4. The feed screw of claim 1, further comprising a plurality of guide members connected between adjacent first and second shafts, the guide members being configured to ensure smooth passage of material through the adjacent first and second shafts.
5. The feed screw of claim 4, wherein the guide member is a circular truncated cone, an upper base of the circular truncated cone is connected to the second rotating shaft, and a lower base of the circular truncated cone is connected to the first rotating shaft.
6. The feed screw of any one of claims 1 to 5, wherein the first and second shafts are ceramic shafts.
7. A plastic feeding device, comprising:
the feed screw of any one of claims 1 to 6;
the first rotating shaft and the second rotating shaft are arranged in the feeding pipe, a bearing is arranged in the feeding pipe, and the first rotating shaft is connected with the feeding pipe through the bearing;
a feed tube in communication with the feed tube.
8. A plastics feeding device according to claim 7, wherein the feed tube is located to one side of the first rotatable shaft.
9. The plastic feeding device as claimed in claim 7, wherein a heating layer is arranged outside the feeding tube for heating the material inside the feeding tube.
10. The plastic feeding device as claimed in claim 9, wherein an insulating layer is disposed on a side of the heating layer away from the feeding pipe, and the insulating layer is used for preventing heat of the heating layer from being lost to the external environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122543159.6U CN216376249U (en) | 2021-10-21 | 2021-10-21 | Feeding screw and plastic feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122543159.6U CN216376249U (en) | 2021-10-21 | 2021-10-21 | Feeding screw and plastic feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216376249U true CN216376249U (en) | 2022-04-26 |
Family
ID=81245475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122543159.6U Active CN216376249U (en) | 2021-10-21 | 2021-10-21 | Feeding screw and plastic feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216376249U (en) |
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2021
- 2021-10-21 CN CN202122543159.6U patent/CN216376249U/en active Active
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