CN218808472U

CN218808472U - Spiral feeding equipment

Info

Publication number: CN218808472U
Application number: CN202223352055.8U
Authority: CN
Inventors: 周权; 唐堃
Original assignee: Beijing Zhongke Haina Technology Co ltd; Shanxi Huana Copper Energy Technology Co ltd
Current assignee: Beijing Zhongke Haina Technology Co ltd; Shanxi Huana Copper Energy Technology Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-04-07
Anticipated expiration: 2032-12-14

Abstract

The utility model belongs to the technical field of the material is carried, a spiral feeding equipment is disclosed. The spiral feeding equipment comprises a spiral feeding device and a first air inlet pipe, wherein the spiral feeding device is provided with a conveying cavity, a material inlet and a material outlet which are communicated with the conveying cavity are formed in the spiral feeding device, and the spiral feeding device can spirally drive materials in the conveying cavity to the material outlet; first intake pipe intercommunication sets up in the tip that spiral feeding device is close to the material import, and the axis of first intake pipe is to predetermineeing angle slope setting towards spiral feeding device's direction of delivery. This spiral feeding equipment utilizes the air current to blow down remaining material in spiral feeding device's the transport cavity, prevents that inside moisture absorption sizing, caking from blockking up and carry incomplete phenomenon to appear of spiral feeding device to reduce the inside material of spiral feeding equipment and remain, the output volume of material more is close theoretical value when making the batching, improves follow-up product quality, and the life of equipment is longer, the reliability is higher.

Description

Spiral feeding equipment

Technical Field

The utility model relates to a technical field is carried to the material, especially relates to a spiral feeding equipment.

Background

In the production of battery materials, the automatic batching process is the most important process. When batching, mainly carry powdered material through the feed screw, in the material of batching in-process transport, partial material can lead to inside moisture absorption sizing, the caking to block up and carry endless phenomenon because its unique characteristic can lead to the feed screw to appear, and the material output quantity precision is relatively poor when causing the batching, influences the product quality of final production to the material remains the damage that can cause equipment in feed screw for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spiral feeding equipment can reduce the inside material of spiral feeding equipment and remain for the output quantity of material is more close theoretical value when batching, improves follow-up product quality, and the life of equipment is longer, the reliability is higher.

To achieve the purpose, the utility model adopts the following technical proposal:

the spiral feeding equipment comprises a spiral feeding device and a first air inlet pipe, wherein the spiral feeding device is provided with a conveying cavity, the spiral feeding device is provided with a material inlet and a material outlet which are communicated with the conveying cavity, and the spiral feeding device can spirally drive the material in the conveying cavity to the material outlet; the first air inlet pipe is communicated with the end part, close to the material inlet, of the spiral feeding device, and the axis of the first air inlet pipe is inclined at a preset angle towards the conveying direction of the spiral feeding device.

Optionally, the spiral feeding device further comprises a storage tank, and a connecting pipe is arranged between the storage tank and the material outlet in a communicating manner.

Optionally, the spiral feeding device is further provided with a second air inlet pipe in a communicated manner, and the second air inlet pipe is arranged opposite to the connecting pipe.

Optionally, the connecting pipe is further provided with a third air inlet pipe in a communicating manner, and an axis of the third air inlet pipe and an axis of the connecting pipe are arranged at a preset included angle.

Optionally, a first air pressure balancing device is disposed on the storage tank.

Optionally, the spiral feeding device further comprises a feeding hopper arranged at the material inlet, and a second air pressure balancing device is arranged on the feeding hopper.

Optionally, the first air pressure balancing device and the second air pressure balancing device are any one of a breather valve, a balancing valve and a pressure regulating valve.

Optionally, the number of the first air inlet pipes is multiple, and the multiple first air inlet pipes are distributed at the end part, close to the material inlet, of the spiral feeding device at intervals.

Optionally, the spiral feeding device further comprises a feeding barrel, a conveying shaft and a driving element, wherein the feeding barrel is provided with the conveying cavity; the conveying shaft is rotationally connected with the feeding barrel, and conveying blades are arranged on the conveying shaft; the output end of the driving piece is connected with the conveying shaft and can drive the conveying shaft to rotate.

Optionally, the conveying blade is a helical blade or a fan blade.

Has the advantages that:

the utility model discloses a tip that is close to the material import at spiral material feeding unit sets up first intake pipe, this first intake pipe is with spiral material feeding unit's direction of delivery and presets the angle setting, and first intake pipe is towards spiral material feeding unit's direction of delivery, make spiral material feeding unit by the material import to material export when transported substance material or pay-off accomplish the back, first intake pipe can let in the air current in the spiral material feeding unit, utilize the air current to blow down remaining material in spiral material feeding unit's the transport cavity, prevent that spiral material feeding unit is inside to appear the moisture absorption sizing, the caking blocks up and carries endless phenomenon. The spiral feeding equipment can reduce material residues in the spiral feeding equipment, so that the output quantity of materials is closer to a theoretical value during batching, the quality of subsequent products is improved, the service life of the equipment is longer, and the reliability is higher.

Drawings

FIG. 1 is a schematic view of a prior art screw feeder;

fig. 2 is a schematic view of a spiral feeding device according to an embodiment of the present invention.

In the figure:

100. a screw feeding device; 101. a material inlet; 102. a material outlet; 110. a feed hopper; 121. a feeding cylinder; 122. a conveying shaft; 123. a conveying blade; 124. a drive member; 130. a storage tank; 131. a connecting pipe;

210. a first intake pipe; 220. a second intake pipe; 230. a third intake pipe; 241. a first air pressure balancing device; 242. and a second air pressure balancing device.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected", "connected" and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to 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.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Referring to fig. 1, fig. 1 is a schematic view of a spiral feeding device 100 in the prior art, the spiral feeding device 100 is a spiral feeding machine commonly used in the art, and includes a feeding barrel 121 for conveying materials, a conveying shaft 122 and a driving member 124, the feeding barrel 121 has a conveying cavity; the conveying shaft 122 is rotatably connected to the feeding cylinder 121, and the conveying shaft 122 is provided with a conveying blade 123; the output end of the driving member 124 is connected to the conveying shaft 122 and can drive the conveying shaft 122 to rotate, and the conveying blade 123 pushes the material to move from the material inlet 101 to the material outlet 102.

Further, the conveying blade 123 is a screw blade or a fan blade. The spiral blade is selected in the embodiment and mainly used for conveying materials with high viscosity and compressibility, and the spiral surface type blade has the functions of stirring and mixing the materials and the like in the process of finishing conveying operation.

Specifically, the material inlet 101 on the feeding barrel 121 is communicated with the feeding hopper 110 for feeding, the material outlet 102 is sequentially communicated with the connecting pipe 131 and the storage tank 130, and the material with the preset weight or volume is conveyed and finally stored in the storage tank 130 for subsequent production, and finally becomes the battery slurry required in the embodiment. However, the screw feeder 100 has the following disadvantages: partial materials can cause the phenomena of moisture absorption, material sticking, blocking and incomplete conveying on the inner wall of the feeding barrel 121 and the inner wall of the connecting pipe 131 due to unique characteristics, the accuracy of material output quantity is poor during material proportioning, the quality of finally produced products is affected, and the materials are remained in the spiral feeding device 100 for a long time to cause equipment damage.

Therefore, in order to solve the above technical problem, the present embodiment provides a spiral feeding device, which can reduce the material residue inside the spiral feeding device, so that the output quantity of the material is closer to the theoretical value during the batching, the quality of the subsequent product is improved, the service life of the device is longer, and the reliability is higher. Specifically, referring to fig. 1 and fig. 2, the spiral feeding apparatus in this embodiment includes a spiral feeding device 100 and a first air inlet pipe 210, the spiral feeding device 100 has a conveying cavity, the spiral feeding device 100 is provided with a material inlet 101 and a material outlet 102, which are communicated with the conveying cavity, and the spiral feeding device 100 can spirally drive the material in the conveying cavity to the material outlet 102; the first air inlet pipe 210 is communicated with the end portion of the spiral feeding device 100 close to the material inlet 101, and an axis of the first air inlet pipe 210 is inclined toward the conveying direction of the spiral feeding device 100 at a preset angle.

In this embodiment, the first air inlet pipe 210 is disposed at the end of the spiral feeding device 100 close to the material inlet 101, the first air inlet pipe 210 is disposed at a preset angle with the conveying direction of the spiral feeding device 100, and the first air inlet pipe 210 faces the conveying direction of the spiral feeding device 100, so that when the spiral feeding device 100 conveys the material from the material inlet 101 to the material outlet 102 or after the material is completely conveyed, the first air inlet pipe 210 can introduce air flow into the spiral feeding device 100, and the air flow is used to blow down the material remaining in the conveying cavity of the spiral feeding device 100, thereby preventing the phenomena of moisture absorption, material adhesion, blocking and incomplete conveying inside the spiral feeding device 100. The spiral feeding equipment can reduce material residues in the spiral feeding equipment, so that the output quantity of materials is closer to a theoretical value during batching, the quality of subsequent products is improved, the service life of the equipment is longer, and the reliability is higher.

Optionally, a plurality of first air inlet pipes 210 are provided, and a plurality of first air inlet pipes 210 are distributed at intervals at an end portion of the spiral feeding device 100 close to the material inlet 101. In this embodiment, the number of the first air inlet pipes 210 is two, the two first air inlet pipes 210 are arranged in an up-down symmetrical manner and are arranged at the end portion of the feeding barrel 121 close to the material inlet 101, the two first air inlet pipes 210 arranged in an up-down symmetrical manner can blow air to the upper inner wall and the lower inner wall of the feeding barrel 121 respectively, the cleaning effect is better, and the material is further prevented from remaining in the spiral feeding device 100. It is understood that, a person skilled in the art may set the intake flow, the intake pressure, the amount, the distribution mode, etc. of the first intake pipe 210 according to the diameter of the feeding barrel 121, the length of the barrel, the material flow, etc., and the embodiment is not particularly limited.

Further, the spiral feeding device further includes a storage tank 130, a connecting pipe 131 is disposed between the storage tank 130 and the material outlet 102 in a communicating manner, the spiral feeding device 100 is further provided with a second air inlet pipe 220 in a communicating manner, and the second air inlet pipe 220 is disposed opposite to the connecting pipe 131. Second intake pipe 220 sets up with connecting pipe 131 relatively for second intake pipe 220 can blow to connecting pipe 131, prevents that the material adhesion from remaining on the connecting pipe 131 inner wall, prevents that connecting pipe 131 from blockking up, and the output quantity of material is close to theoretical value when can also further guaranteeing the batching, improves follow-up product quality.

Optionally, the connection pipe 131 is further provided with a third air inlet pipe 230 in a communication manner, and an axis of the third air inlet pipe 230 and an axis of the connection pipe 131 are arranged at a preset included angle. Specifically speaking, this preset included angle third air inlet pipe 230 blows to the material direction of delivery in the connecting pipe 131 perpendicularly, perhaps blows towards material direction of delivery slope, thereby make third air inlet pipe 230 form the air wall in connecting pipe 131, prevent that the material in the holding vessel 130 of below and the steam that thick liquids evaporation produced along with connecting pipe 131 gets into in the feed cylinder 121, prevent that the material in the feed cylinder 121 from weing and appearing the adhesion, phenomenons such as caking, further prevent material jam and adhesion on the inner wall of feed cylinder 121.

As will be appreciated by those skilled in the art, when the feeding barrel 121 is too long, at least one fourth air inlet pipe (not shown in the drawings) may be connected to the feeding barrel 121, and the fourth air inlet pipe is inclined toward the direction in which the feeding barrel 121 delivers the material, so as to blow air into the feeding barrel 121, and further prevent the material from remaining in the feeding barrel 121.

Referring to fig. 2, in the present embodiment, the storage tank 130 is provided with a first air pressure balancing device 241, the spiral feeding device 100 further includes a feeding hopper 110 disposed at the material inlet 101, and the feeding hopper 110 is provided with a second air pressure balancing device 242. The first air pressure balancing device 241 or the second air pressure balancing device 242 prevents the pressure in the spiral feeding device 100 from being too large, prevents the first air inlet pipe 210, the second air inlet pipe 220 or the third air inlet pipe 230 from generating a phenomenon that air cannot be blown due to too large negative pressure, ensures the smoothness of an air path, and further ensures that the introduced air flow can blow down materials adhered in the feeding barrel 121.

Specifically, the first air pressure balancer 241 and the second air pressure balancer 242 may be any one of a breather valve, a balancer valve, and a pressure regulator valve. The embodiment is selected as a breather valve, and the breather valve is a valve which not only ensures that the storage space is isolated from the atmosphere within a certain pressure range, but also can be communicated with the atmosphere (breathe) when the pressure exceeds or is lower than the pressure range, so that the pressure in the equipment can be ensured to be kept within a preset range, and the equipment damage caused by overpressure can be avoided.

The working flow of the spiral feeding equipment in the embodiment is briefly described as follows: after the spiral feeding equipment finishes feeding, the first air inlet pipe 210 is opened at the moment to clean materials remained on the feeding barrel 121, the conveying shaft 122 and the conveying blades 123; after the cleaning is finished, the second air inlet pipe 220 is opened, and the inner wall of the connecting pipe 131 is cleaned by using the second air inlet pipe 220; after the cleaning is finished, the third air inlet pipe 230 is opened, an air wall is formed in the connecting pipe 131, air is blown into the storage tank 130 through the connecting pipe 131, the materials in the storage tank 130 and the water vapor generated by the slurry are prevented from flowing into the feeding barrel 121, and the materials on the upstream are prevented from being wetted, agglomerated and adhered.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. Spiral feeding equipment, its characterized in that includes:

the spiral feeding device (100) is provided with a conveying cavity, a material inlet (101) and a material outlet (102) which are communicated with the conveying cavity are formed in the spiral feeding device (100), and the spiral feeding device (100) can spirally drive materials in the conveying cavity to the material outlet (102);

first intake pipe (210), first intake pipe (210) intercommunication set up in spiral feeding device (100) are close to the tip of material import (101), the axis orientation of first intake pipe (210) spiral feeding device's (100) direction of delivery is preset the angle slope setting.

2. The screw feeder apparatus according to claim 1, further comprising a storage tank (130), wherein a connection pipe (131) is provided in communication between the storage tank (130) and the material outlet (102).

3. The spiral feeding equipment of claim 2, wherein the spiral feeding device (100) is further provided with a second air inlet pipe (220) in a communication manner, and the second air inlet pipe (220) is arranged opposite to the connecting pipe (131).

4. The spiral feeding equipment as claimed in claim 2, wherein a third air inlet pipe (230) is further communicated with the connecting pipe (131), and an axis of the third air inlet pipe (230) and an axis of the connecting pipe (131) are arranged at a preset included angle.

5. The screw feeder apparatus according to claim 2, wherein the storage tank (130) is provided with a first air pressure equalizing device (241).

6. The screw feeder apparatus according to claim 5, wherein the screw feeder device (100) further comprises a feed hopper (110) arranged at the material inlet (101), the feed hopper (110) being provided with a second air pressure balancing device (242).

7. The screw feeder apparatus according to claim 6, wherein the first air pressure balancing device (241) and the second air pressure balancing device (242) are any one of a breather valve, a balance valve and a pressure regulating valve.

8. The screw feeder apparatus according to any one of claims 1 to 7, wherein the first inlet pipe (210) is provided in plurality, and the plurality of first inlet pipes (210) are distributed at intervals at an end of the screw feeder apparatus (100) close to the material inlet (101).

9. The screw feeder apparatus according to any one of claims 1 to 7, wherein the screw feeder device (100) further comprises:

a feed cartridge (121), the feed cartridge (121) having the delivery cavity;

the conveying shaft (122), the conveying shaft (122) is rotatably connected to the feeding barrel (121), and a conveying blade (123) is arranged on the conveying shaft (122);

the output end of the driving piece (124) is connected to the conveying shaft (122) and can drive the conveying shaft (122) to rotate.

10. The screw feeder apparatus according to claim 9, wherein the conveyor blade (123) is a screw blade or a fan blade.