Feeding machine

By using a fiberglass surface layer on the spiral feed shaft of the rotary kiln feeder, the metal friction problem of the feeder during material stirring and transport is solved, and the wear resistance and high temperature resistance are improved, which significantly improves the stirring effect of the material.

CN222989031UActive Publication Date: 2025-06-17XIAMEN JUCHEN ELECTROMECHANICAL TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422074644.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-26
Publication Date
2025-06-17
Estimated Expiration
2034-08-26

AI Technical Summary

Technical Problem

The existing rotary kiln feeder spiral feed shaft is prone to metal friction with magnetic substances when the material is stirred and transported, and the wear resistance, high temperature resistance, insulation resistance and acid and alkali resistance are insufficient, which affects the stirring effect of the material.

Method used

FRP is used as the surface layer of the feed shaft. The spiral feed shaft includes the feed shaft core and the fiberglass feed shaft surface layer covered on the periphery of the feed shaft core. It contacts the material through the fiberglass surface layer to prevent magnetic adsorption and reduce metal friction.

Benefits of technology

It effectively prevents magnetic adsorption and metal friction, improves the wear resistance, high temperature resistance, insulation and acid and alkali resistance of the spiral feed shaft, thereby improving the stirring effect of the material.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222989031U_ABST
    Figure CN222989031U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of feeding machines, and particularly discloses a feeding machine which comprises a base, a conveying bin is installed on the base and comprises a feeding bin and a conveying channel which are vertically communicated, a discharging port is formed in the end, away from the feeding bin, of the conveying channel, and a spiral feeding shaft is rotationally arranged in the conveying channel. One end of the spiral feeding shaft is connected with a feeding shaft driving mechanism used for driving the spiral feeding shaft to rotate, the spiral feeding shaft comprises a feeding shaft core and a feeding shaft surface layer wrapping the periphery of the feeding shaft core, and the feeding shaft surface layer is made of glass fiber reinforced plastics. When the spiral feeding shaft is used for stirring and conveying materials, the surface layer of the glass fiber reinforced plastic feeding shaft is in contact with the materials to prevent magnetic substances from being adsorbed on the surface of the spiral feeding shaft, so that metal friction is avoided, the wear resistance is better, the high temperature resistance, the insulativity and the acid and alkali resistance of the spiral feeding shaft are improved, and the service life of the spiral feeding shaft is prolonged. Therefore, the material stirring effect is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of feeders, and particularly relates to a feeder. Background Art

[0002] A rotary kiln is a thermal processing device for heating dry and wet bulk materials, and is widely used in industrial sectors such as metallurgy, chemical industry, cement building materials, etc. When processing a rotary kiln, a feeder device for transporting materials is required to transport the materials to the rotary kiln for processing.

[0003] For the existing feeder of a rotary kiln, its spiral feeding shaft is an integral metal feeding shaft. When stirring and transporting materials, it is easy to have metal friction with magnetic objects, and there are also certain deficiencies in wear resistance, high temperature resistance, insulation, and acid and alkali resistance, thus affecting the stirring effect of the materials. Summary of the Utility Model

[0004] The utility model aims to provide a feeder to solve the above-mentioned existing technical problems.

[0005] To achieve the above purpose, the technical solution of the utility model is: a feeder, including a base, on which a feeding bin is installed. The feeding bin includes a feeding bin and a conveying channel that are connected up and down. One end of the conveying channel away from the feeding bin is provided with a discharge port. A spiral feeding shaft is rotatably arranged in the conveying channel. One end of the spiral feeding shaft is connected with a feeding shaft driving mechanism for driving the spiral feeding shaft to rotate. The spiral feeding shaft includes a feeding shaft core and a feeding shaft surface layer covering the periphery of the feeding shaft core. The feeding shaft surface layer is a fiberglass feeding shaft surface layer.

[0006] Preferably, the feeding shaft core is a metal feeding shaft core or a fiberglass feeding shaft core.

[0007] Preferably, a dispersing shaft is rotatably arranged in the feeding bin. One end of the dispersing shaft is connected with a dispersing shaft driving mechanism for driving the dispersing shaft to rotate.

[0008] Preferably, the dispersing shaft includes a dispersing shaft core and a dispersing shaft surface layer covering the periphery of the dispersing shaft core. The dispersing shaft surface layer is a fiberglass dispersing shaft surface layer.

[0009] Preferably, the dispersing shaft core is a metal dispersing shaft core or a fiberglass dispersing shaft core.

[0010] Preferably, the dispersing shaft includes a rotating shaft rod, a first dispersing blade and a second dispersing blade arranged on the outer wall of the rotating shaft rod. The first dispersing blade and the second dispersing blade are respectively arranged on opposite sides of the rotating shaft rod.

[0011] Preferably, a first relief hole and a second relief hole are respectively formed in the conveying channel and the feed bin. One end of the spiral feeding shaft penetrates through the first relief hole and is connected to the feeding shaft driving mechanism, and one end of the dispersing shaft penetrates through the second relief hole and is connected to the dispersing shaft driving mechanism. A first sealing seat is arranged at the corresponding position of the spiral feeding shaft with respect to the first relief hole, and a second sealing seat is arranged at the corresponding position of the dispersing shaft with respect to the second relief hole. The first sealing seat or the second sealing seat is a sealing seat made of fiberglass, or a metal sealing seat, or a ceramic sealing seat.

[0012] Preferably, the conveying bin is a metal conveying bin or a fiberglass conveying bin.

[0013] Preferably, the inner surface of the conveying bin is provided with a fiberglass material layer, or a nylon material layer, or a polyurethane material layer, or a polytetrafluoroethylene plate, or a Teflon material layer.

[0014] Preferably, a pneumatic vibrator is arranged on the outer side of the feed bin.

[0015] The utility model has the following beneficial effects:

[0016] The utility model comprises a base, a conveying bin is installed on the base. The conveying bin comprises a feed bin and a conveying channel which are connected up and down. An outlet is arranged at one end of the conveying channel far away from the feed bin. A spiral feeding shaft is rotatably arranged in the conveying channel. One end of the spiral feeding shaft is connected with a feeding shaft driving mechanism for driving the spiral feeding shaft to rotate. The spiral feeding shaft comprises a feeding shaft core and a feeding shaft surface layer coated on the periphery of the feeding shaft core. The feeding shaft surface layer is a fiberglass feeding shaft surface layer. When the spiral feeding shaft stirs and conveys materials, it contacts the materials through the fiberglass feeding shaft surface layer, preventing magnetic substances from adsorbing on the surface of the spiral feeding shaft, thus avoiding metal friction, having better wear resistance, and also improving the high temperature resistance, insulation property, acid and alkali resistance of the spiral feeding shaft, thereby improving the stirring effect of the materials. Description of the Drawings

[0017] Figure 1 is the front view of the embodiment of the utility model.

[0018] Figure 2 is the longitudinal sectional view of the embodiment of the utility model.

[0019] Figure 3 is the structural schematic diagram of the spiral feeding shaft of the embodiment of the utility model.

[0020] Figure 4 is the structural schematic diagram of the dispersing shaft of the embodiment of the utility model.

[0021] Reference numerals in the drawings: 1 base, 2 feed bin, 3 conveying channel, 31 discharge port, 4 screw feed shaft, 5 feed shaft drive mechanism, 6 dispersion shaft, 61 rotating shaft rod, 62 first dispersion blade, 63 second dispersion blade, 7 dispersion shaft drive mechanism, 8 first seal seat, 9 second seal seat, 10 pneumatic vibrator, 11 roller, 12 guide rail. Detailed implementation manners

[0022] To further illustrate the embodiments, the present utility model provides drawings. These drawings are a part of the disclosure of the present utility model, mainly used to illustrate the embodiments, and can be combined with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those of ordinary skill in the art should be able to understand other possible implementation manners and the advantages of the present utility model. The components in the drawings are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0023] In the description of the present utility model, unless otherwise specified, "a plurality of" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "connected" and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0025] Refer to Figures 1-4As shown in the figure, as an embodiment of the present utility model, a feeder is provided, specifically a single-spiral tetrafluoro feeder for a rotary kiln, which includes a base 1. A feeding bin is installed on the base 1. The feeding bin includes a feeding bin 2 and a conveying channel 3 that are connected up and down. One end of the conveying channel 3 away from the feeding bin 2 is provided with a discharge port 31. A spiral feeding shaft 4 is rotatably arranged in the conveying channel 3. One end of the spiral feeding shaft 4 is connected to a feeding shaft driving mechanism 5 for driving the spiral feeding shaft 4 to rotate. The spiral feeding shaft 4 includes a feeding shaft core and a feeding shaft surface layer coated around the feeding shaft core. The feeding shaft surface layer is a fiberglass feeding shaft surface layer. When the spiral feeding shaft 4 stirs and conveys materials, it contacts the materials through the fiberglass feeding shaft surface layer, preventing magnetic substances from adsorbing on the surface of the spiral feeding shaft 4, thus avoiding metal friction, having better wear resistance, and also improving the high-temperature resistance, insulation, acid and alkali resistance of the spiral feeding shaft 4, thereby improving the stirring effect of the materials. And the spiral feeding shaft 4 of the present utility model is not limited to being applied to the feeder, but can also be applied to any machine equipment capable of stirring and conveying materials.

[0026] In this embodiment, the feeding shaft core is a metal feeding shaft core or a fiberglass feeding shaft core. The metal feeding shaft core can ensure that the spiral feeding shaft 4 has high strength and hardness, while the fiberglass feeding shaft core makes the spiral feeding shaft 4 an integral fiberglass structure, further improving the wear resistance, high-temperature resistance, insulation, acid and alkali resistance of the spiral feeding shaft 4.

[0027] In this embodiment, a dispersion shaft 6 is rotatably arranged in the feeding bin 2. One end of the dispersion shaft 6 is connected to a dispersion shaft driving mechanism 7 for driving the dispersion shaft 6 to rotate. The dispersion shaft 6 includes a rotating shaft rod 61 and a first dispersion blade 62 and a second dispersion blade 63 arranged on the outer wall of the rotating shaft rod 61. The first dispersion blade 62 and the second dispersion blade 63 are respectively arranged on the opposite sides of the rotating shaft rod 61. This setting stirs and strikes the materials and chemical fixing reagents to disperse them, reducing the large chunks of materials and chemical fixing reagents sticking together and avoiding blockage.

[0028] In this embodiment, the dispersion shaft 6 includes a dispersion shaft core and a dispersion shaft surface layer coated around the dispersion shaft core. The dispersion shaft surface layer is a fiberglass dispersion shaft surface layer. When the dispersion shaft 6 stirs and strikes the materials to disperse them, it contacts the materials through the fiberglass dispersion shaft surface layer, preventing magnetic substances from adsorbing on the surface of the spiral feeding shaft 4, thus avoiding metal friction, having better wear resistance, and also improving the high-temperature resistance, insulation, acid and alkali resistance of the spiral feeding shaft 4, thereby improving the dispersion effect of the materials.

[0029] In this embodiment, the dispersion shaft core is a metal dispersion shaft core or a fiberglass dispersion shaft core. The metal dispersion shaft core can ensure that the dispersion shaft 6 has high strength and hardness, while the fiberglass dispersion shaft core enables the dispersion shaft 6 to be an integral fiberglass structure, further enhancing the wear resistance, high temperature resistance, insulation, acid and alkali resistance of the dispersion shaft 6.

[0030] In this embodiment, a first relief hole and a second relief hole are respectively formed in the conveying channel 3 and the feed bin 2. One end of the screw feed shaft 4 passes through the first relief hole and is connected to the feed shaft driving mechanism 5, and one end of the dispersion shaft 6 passes through the second relief hole and is connected to the dispersion shaft driving mechanism 7. The screw feed shaft 4 is provided with a first seal seat 8 corresponding to the first relief hole, and the dispersion shaft 6 is provided with a second seal seat 9 corresponding to the second relief hole. The first seal seat 8 or the second seal seat 9 is a fiberglass seal seat, or a metal seal seat, or a ceramic seal seat.

[0031] In this embodiment, the conveying bin is a metal conveying bin or a fiberglass conveying bin. The inner surface of the conveying bin is provided with a fiberglass material layer, or a nylon material layer, or a polyurethane material layer, or a polytetrafluoroethylene board, or a Teflon material layer, so that the inner layer of the conveying bin in contact with the material has better wear resistance, high temperature resistance, insulation, acid and alkali resistance, ensuring the quality of the material.

[0032] In this embodiment, both the feed shaft driving mechanism 5 and the dispersion shaft driving mechanism 7 are driving structures in which a motor is matched with a coupling.

[0033] In this embodiment, pneumatic vibrators 10 are respectively arranged on the outer sides of both ends of the feed bin 2 to improve the fluidity of the material.

[0034] In this embodiment, a guide rail 12 is arranged below the base 1, and rollers 11 are arranged at the bottom of the base 1. The rollers 11 are slidably arranged on the guide rail 12, enabling the feeder to move, which is convenient for maintenance and cleaning after feeding.

[0035] Although the present invention has been specifically shown and described in conjunction with the preferred embodiments, those skilled in the art should understand that various changes made to the present invention in terms of form and details without departing from the spirit and scope of the present invention defined by the appended claims all fall within the protection scope of the present invention.

Claims

1. A feeder, characterized in that: It includes a base, on which a conveying silo is installed, the conveying silo includes a feed silo and a conveying channel connected up and down, an end of the conveying channel away from the feed silo is provided with a discharge port, a spiral feeding shaft is rotatably arranged in the conveying channel, one end of the spiral feeding shaft is connected to a feeding shaft driving mechanism for driving the spiral feeding shaft to rotate, the spiral feeding shaft includes a feeding shaft core and a feeding shaft surface layer covering the periphery of the feeding shaft core, and the feeding shaft surface layer is a glass fiber reinforced plastic feeding shaft surface layer.

2. The feeder according to claim 1, characterized in that: The feeding shaft core is a metal feeding shaft core or a glass fiber reinforced plastic feeding shaft core.

3. The feeder according to claim 1, characterized in that: A dispersion shaft is rotatably arranged in the feed bin, and one end of the dispersion shaft is connected to a dispersion shaft driving mechanism for driving the dispersion shaft to rotate.

4. The feeder according to claim 3, characterized in that: The dispersion shaft comprises a dispersion shaft core and a dispersion shaft surface layer covering the periphery of the dispersion shaft core, and the dispersion shaft surface layer is a glass fiber reinforced plastic dispersion shaft surface layer.

5. The feeder according to claim 4, characterized in that: The dispersion shaft core is a metal dispersion shaft core or a glass fiber reinforced plastic dispersion shaft core.

6. The feeder according to claim 4, characterized in that: The dispersion shaft comprises a rotating shaft and a first dispersion blade and a second dispersion blade arranged on the outer wall of the rotating shaft. The first dispersion blade and the second dispersion blade are respectively arranged on two opposite sides of the rotating shaft.

7. The feeder according to claim 3, characterized in that: A first clearance hole and a second clearance hole are respectively provided on the conveying channel and the feed bin. One end of the spiral feeding shaft passes through the first clearance hole and is connected to the feeding shaft driving mechanism. One end of the dispersion shaft passes through the second clearance hole and is connected to the dispersion shaft driving mechanism. A first sealing seat is provided on the spiral feeding shaft corresponding to the first clearance hole. A second sealing seat is provided on the dispersion shaft corresponding to the second clearance hole. The first sealing seat or the second sealing seat is a glass fiber reinforced plastic sealing seat, a metal sealing seat, or a ceramic sealing seat.

8. The feeder according to claim 1, characterized in that: The conveying silo is a metal conveying silo or a fiberglass conveying silo.

9. The feeder according to claim 1, characterized in that: The inner surface of the conveying silo is provided with a glass fiber reinforced plastic material layer, a nylon material layer, a polyurethane material layer, a polytetrafluoroethylene plate, or a Teflon material layer.

10. The feeder according to claim 1, characterized in that: A pneumatic vibrator is arranged on the outside of the feed bin.