CN214610401U

CN214610401U - Feeding and discharging device suitable for powder

Info

Publication number: CN214610401U
Application number: CN202120135020.5U
Authority: CN
Inventors: 张新杰; 石佳光
Original assignee: Nori Shenzhen New Technology Co ltd
Current assignee: Nori Shenzhen New Technology Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-11-05
Anticipated expiration: 2031-01-18

Abstract

The utility model discloses a business turn over material device suitable for powder, including replacement portion and first material valve. Wherein, be provided with the replacement chamber in the replacement portion, be provided with first feed inlet, first discharge gate, air inlet and gas outlet on the replacement chamber, first feed inlet is used for making the powder material get into the replacement chamber, and first discharge gate is used for shifting out the powder material in the replacement chamber, and the air inlet is used for letting in inert gas towards the replacement chamber, and the gas outlet is used for discharging the gas in the replacement chamber. The first material valve is fixed in the replacement part and arranged at the first discharge port, and the first material valve is used for moving the powder material out of the replacement cavity or blocking the powder material in the replacement cavity. Through leading into inert gas towards the replacement chamber in advance, the air composition in the replacement chamber is controlled in the required scope with the proportion effectively, easy operation, and the cost is lower, has effectively improved the access efficiency of powder material.

Description

Feeding and discharging device suitable for powder

Technical Field

The utility model relates to a powder material carries the field, especially relates to business turn over material device suitable for powder.

Background

The progress of technology and the development of industry put higher demands on the transportation of powder materials. In the related art, the vacuum equipment is often adopted to realize dustless storage and taking of the powder materials, but the vacuum equipment is expensive in manufacturing cost, higher in using cost and complex in operation, so that the storage and taking efficiency of the powder materials is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a business turn over material device suitable for powder, easy operation, and use cost is lower.

An aspect of the utility model provides a business turn over material device suitable for powder, include:

the device comprises a displacement part, a first material inlet, a first material outlet, a gas inlet and a gas outlet, wherein a displacement cavity is arranged in the displacement part, the displacement cavity is provided with the first material inlet, the first material outlet, the gas inlet and the gas outlet, the first material inlet is used for enabling the powder material to enter the displacement cavity, the first material outlet is used for moving out the powder material in the displacement cavity, the gas inlet is used for introducing inert gas into the displacement cavity, and the gas outlet is used for discharging gas in the displacement cavity;

the first material valve is fixed at the replacement part and arranged at the first discharge port, and is used for moving the powder material out of the replacement cavity or blocking the powder material in the replacement cavity.

According to the utility model discloses business turn over material device suitable for powder has following technological effect at least:

through leading into inert gas towards the replacement chamber in advance, the air composition in the replacement chamber is controlled in the required scope with the proportion effectively, easy operation, and the cost is lower, has effectively improved the access efficiency of powder material.

According to the utility model discloses a business turn over material device suitable for powder, it is a plurality of to include the replacement portion, replacement portion from the top down sets gradually, adjacent two there is the interval in vertical direction in replacement portion, and is located the top replacement portion first discharge gate, with be located the below replacement portion first feed inlet intercommunication.

According to the utility model discloses a business turn over material device suitable for powder of some embodiments, first material valve includes first pivot and at least three first lobe of tooth, first lobe of tooth is fixed in first pivot, first lobe of tooth for the center pin of first pivot is rotational symmetry and distributes.

According to the utility model discloses a business turn over material device suitable for powder of some embodiments still includes vibration portion, vibration portion is fixed in replacement portion, vibration portion is used for making replacement portion vibrates.

According to the utility model discloses a business turn over material device suitable for powder of some embodiments still includes the filter house, the filter house with the gas outlet intercommunication, the filter house is used for filtering replace the gas of intracavity.

According to the utility model discloses a business turn over material device suitable for powder of some embodiments still includes storage portion, be provided with the storage cavity in the storage portion, the storage cavity with replace the chamber intercommunication, storage portion is used for the storage the powder material.

According to the utility model discloses a business turn over material device suitable for powder of some embodiments still includes transition portion, be provided with the transition chamber in the transition portion, be provided with second feed inlet and second discharge gate on the transition chamber, the second feed inlet with first discharge gate intercommunication, the second discharge gate with storage cavity intercommunication.

According to the utility model discloses a business turn over material device suitable for powder of some embodiments still includes pay-off portion, pay-off portion is the screw rod form, pay-off portion set up in the top of replacement portion, pay-off portion be used for with the powder material is followed first feed inlet adds in the replacement chamber.

According to the utility model discloses a business turn over material device suitable for powder of some embodiments still includes reinforced portion and second material valve, be provided with the feeding chamber in the reinforced portion, be provided with third feed inlet and third discharge gate on the feeding chamber, the third feed inlet with storage cavity intercommunication, the third discharge gate with first feed inlet intercommunication, the second material valve sets up the third discharge gate with first feed inlet intercommunication department.

According to the utility model discloses a business turn over material device suitable for powder of some embodiments still includes the portion of blowing, the portion of blowing set up in the below of replacement portion, the portion of blowing is used for the court to follow powder material jet pulse air current that first discharge gate falls.

Additional aspects and advantages of the invention 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 invention.

Drawings

The above and/or additional aspects and advantages of the present invention 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 plan view of a feeding and discharging device for powder in an embodiment of the present invention;

fig. 2 is a schematic plan view of a feeding and discharging device for powder according to another embodiment of the present invention;

fig. 3 is an exploded view of the first material valve in the embodiment of the present invention.

Reference numerals: the device comprises a replacement part 100, a first inclined surface 101, a second inclined surface 102, a first feeding hole 110, a first discharging hole 120, an air inlet 130, an air inlet pipe 131, a ball valve 132, an air outlet 140, a material conveying pipe 150, a series pipe 160, a first material valve 200, a first rotating shaft 210, a first tooth blade 220, a material conveying trough 230, a filtering part 300, an air guide pipeline 310, a material storing part 400, an access pipe 410, a transition part 500, a second feeding hole 510, a second discharging hole 520, a material conveying part 530, a material feeding part 600, a third feeding hole 610, a third discharging hole 620, a conveying pipeline 630, a pulse airflow hole 631, a second material valve 640 and a target cavity 700.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like 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 invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply 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 limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and the third are described for the purpose of distinguishing technical features, the description is not to be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the precedence of the indicated technical features.

The feeding and discharging device suitable for powder according to the embodiment of the present invention is described below with reference to fig. 1 to 3.

According to the utility model discloses a device of input and output suitable for powder of an aspect embodiment, including replacement portion 100 and first material valve 200.

Wherein, be provided with the replacement chamber in the replacement portion 100, be provided with first feed inlet 110, first discharge gate 120, air inlet 130 and gas outlet 140 on the replacement chamber, first feed inlet 110 is used for making the powder material get into the replacement chamber, and first discharge gate 120 is used for shifting out the powder material in the replacement chamber, and air inlet 130 is used for letting in inert gas towards the replacement chamber, and gas outlet 140 is used for discharging the gas in the replacement chamber. The first material valve 200 is fixed to the displacement portion 100 and disposed at the first material outlet 120, and the first material valve 200 is used for moving the powder material out of the displacement chamber or blocking the powder material in the displacement chamber.

Specifically, as shown in fig. 1 or fig. 2, at least one replacement part 100 is provided in the feeding and discharging device suitable for powder, a plurality of through holes are provided in a replacement cavity provided in the replacement part 100, and the through holes are divided into a first feeding hole 110, a first discharging hole 120, an air inlet 130 and an air outlet 140 according to functions, and the replacement cavity is used for providing an environment with air components meeting requirements for conveying the powder material, so that before the powder material is conveyed from the first feeding hole 110 to the replacement cavity, an inert gas needs to be introduced into the replacement cavity from the air inlet 130.

The inert gas may be argon, nitrogen or helium, etc., and an inlet pipe 131 is disposed at the inlet 130, and the inert gas is introduced into the displacement chamber through the inlet pipe 131. In order to better control the air intake timing, a ball valve 132 may be installed in the air intake pipe 131, and the opening or closing of the air intake pipe 131 may be controlled by the ball valve 132. It can be understood that the introduction amount and the introduction time of the inert gas will affect the composition of the air in the replacement chamber, when it is required to ensure that the proportion of the inert gas in the replacement chamber is sufficiently high, a sufficient amount of inert gas can be introduced into the replacement chamber for a sufficient time, and the introduction amount and the introduction time of the inert gas can be adaptively adjusted according to actual requirements.

When the air composition in the replacement cavity meets the requirement of the powder material, the powder material falls into the replacement cavity from the first feed inlet 110 under the action of self gravity. At this moment, the temperature of the powder material is higher, and inert gas can be continuously introduced into the replacement cavity, so that the flowing inert gas can take away the heat of the powder material, and the powder material is effectively cooled.

When the amount and the temperature of the powder material in the displacement chamber reach the requirement, the powder material is moved out of the displacement chamber from the first discharge hole 120 by operating the first material valve 200. The first material valve 200 is fixed at the lower side of the displacement portion 100 by a fastener or a slot fastener, and is located at the first discharge hole 120. The first material valve 200 may be a leaf structure, or a gate-shaped switch capable of being freely opened or closed, and when the powder material needs to be cooled down or a certain amount of powder material needs to be stocked in the replacement cavity, the first material valve 200 is controlled to block the first material outlet 120, so as to ensure that the powder material in the replacement cavity cannot pass through the first material outlet 120. When the powder material leaves the replacement cavity, the first material valve 200 is controlled to transport the powder material out of the replacement cavity through the first material valve 200, or the first material valve 200 opens the first discharge hole 120, so that the powder material can leave the replacement cavity under the action of self gravity. It will be appreciated that the specific manner of operation of the first material valve 200 can be adapted according to the configuration of the first material valve 200.

Further, in order to ensure that the powder materials in the displacement cavity can be gathered at the first discharge hole 120, the inner wall of the lower end of the displacement cavity is set to be an inclined plane. For example, a first bevel 101 and a second bevel 102 are provided in the displacement chamber.

Compared with the related technology using vacuum equipment, the method has the advantages that the inert gas is introduced into the replacement cavity in advance, the air component proportion in the replacement cavity is effectively controlled within a required range, the operation is simple, the cost is low, and the powder material storage and taking efficiency is effectively improved.

In some embodiments of the present invention, including a plurality of replacement parts 100, the replacement parts 100 are sequentially arranged from top to bottom, two adjacent replacement parts 100 have an interval in the vertical direction, and the first discharge hole 120 of the replacement part 100 located above communicates with the first feed hole 110 of the replacement part 100 located below.

Specifically, as shown in fig. 1 or fig. 2, a plurality of replacement parts 100 are adopted in the feeding and discharging device suitable for powder, each replacement part 100 is distributed in the order from top to bottom, and in two adjacent replacement parts 100, the first discharge port 120 of the replacement part 100 located above is higher than the first feed port 110 of the replacement part 100 located below, and then the first discharge port 120 of the replacement part 100 located above is communicated with the first feed port 110 of the replacement part 100 located below through the feed delivery pipe 150, so that the powder material in the replacement cavity in the replacement part 100 located above can fall into the replacement cavity in the replacement part 100 located below under the action of its own gravity. In this case, the gas inlet 130 and the gas outlet 140 of each replacement part 100 may be connected in series as in the connection between the first inlet port 110 and the first outlet port 120, or the gas inlet 130 may be connected to a gas supply device for inert gas, respectively, to supply gas to the replacement chambers in each replacement part 100 in parallel.

The number of the replacement parts 100 is set according to actual needs. It can be understood that a plurality of replacement portions 100 link together with the mode of "end to end series connection" for the powder material has more sufficient transition space at the access in-process, when the powder material has higher temperature promptly, multistage replacement portion 100's setting can provide sufficient time for the heat dissipation cooling of powder material, has also effectively increased the area of contact between powder material and the air simultaneously.

In some embodiments of the present invention, the heat exchanger further comprises a serial pipe 160, and in two adjacent replacement parts 100, the air inlet 130 of the replacement part 100 located above communicates with the air outlet 140 of the replacement part 100 located below through the serial pipe 160.

Specifically, as shown in fig. 1 or fig. 2, the gas inlet 130 of the upper displacement section 100 communicates with the gas outlet 140 of the lower displacement section 100 via a pipe, i.e., a serial pipe 160. In actual use, the inert gas is introduced into the displacement chambers in the lowermost displacement section 100 from the gas inlet 130 of the lowermost displacement section 100, and then flows through the displacement chambers in the respective displacement sections 100 connected in series by the series pipes 160, and is finally discharged from the gas outlet 140 of the uppermost displacement section 100. In this in-process, inert gas is fully with the air discharge in each replacement chamber, has effectively controlled the air composition in the replacement chamber, and the setting of establishing ties is compared in parallelly connected, and reuse inert gas has effectively reduced inert gas's use amount, and then has reduced the running cost of the business turn over material device who is applicable to the powder.

In some embodiments of the present invention, the first material valve 200 includes a first rotating shaft 210 and at least three first blades 220, the first blades 220 are fixed to the first rotating shaft 210, and the first blades 220 are rotationally symmetrical about a central axis of the first rotating shaft 210.

Specifically, as shown in fig. 1 or fig. 2, the first material valve 200 is mainly composed of a first rotating shaft 210 and first blades 220, wherein the first rotating shaft 210 is disposed at a middle position of the first material outlet 120, the first blades 220 are respectively connected to an outer surface of the first rotating shaft 210 by welding or integrally forming with the first rotating shaft 210, and at this time, the first blades 220 are rotationally symmetrically distributed with a central axis of the first rotating shaft 210 as an axis. The first blades 220 are shaped like the teeth of a gear, and it is understood that at least three first blades 220 are provided so that the first material valve 200 can always block the powder material in the displacement chamber from leaving the displacement chamber from the first material outlet 120. At this moment, the powder material falls into the space defined by the two adjacent first blades 220, the space is named as a material conveying groove 230, when the first rotating shaft 210 rotates in a fixed axis manner relative to the replacement part 100, the first blades 220 thereon are driven to rotate together, so that the powder material in the material conveying groove 230 synchronously rotates, and when the material conveying groove 230 rotates in a direction away from the replacement cavity from the direction towards the replacement cavity, the powder material therein falls out of the material conveying groove 230, and the purpose of leaving the replacement cavity is achieved.

When the first rotating shaft 210 starts to rotate or stops, and the rotating speed of the first rotating shaft 210 can be adjusted according to actual requirements. In order to realize the uninterrupted access of the powder material, a motor is arranged outside the first material valve 200, the output end of the motor is connected with the first rotating shaft 210, and the motor drives the first rotating shaft 210 to rotate.

Further, the motor is an adjustable variable speed motor, so that the rotating speed of the first rotating shaft 210 can be adjusted more conveniently, and the feeding and discharging device suitable for powder can be adapted to more conditions.

In addition, the number of the first blades 220 determines the size of the material conveying chute 230, so that the number of the first blades 220 can be adaptively adjusted according to actual requirements, so that the amount of powder material stored and taken each time can meet the actual requirements.

It can be understood that the arrangement of the first tooth blade 220 and the first rotating shaft 210 enables the quantity of the powder material to be controlled each time, and can effectively avoid the excessive powder material from accidentally falling out of the replacement cavity when the powder material is stored and taken.

In some embodiments of the present invention, the displacement device further comprises a vibration portion, the vibration portion is fixed to the displacement portion 100, and the vibration portion is used to vibrate the displacement portion 100.

Specifically, there is a possibility that the powder material may be accumulated at the first material valve 200 in the replacement chamber, so that an unexpected amount of the powder material may not be discharged from the first material outlet 120 even though the first material valve 200 is normally operated. In order to avoid such a situation, a vibration portion is disposed outside the replacement portion 100, and the vibration portion can transmit vibration waves to the replacement cavity in a direct contact manner, so that the vibration waves are transmitted through contact between solids, or in an indirect contact manner, ultrasonic waves are transmitted to the replacement cavity, and thus the purpose of vibrating the powder material in the replacement cavity is achieved. It can be understood that the arrangement of the vibration part effectively solves the problem that the powder material is accumulated at the first material valve 200.

Further, the output power of the vibration part is adjustable, that is, the frequency and amplitude of the vibration wave conveyed by the vibration part to the replacement part 100 are adjustable, so that the problems of different types of powder materials cannot occur in the replacement cavity.

In some embodiments of the present invention, the gas-exchanging chamber further comprises a filter portion 300, the filter portion 300 is communicated with the gas outlet 140, and the filter portion 300 is used for filtering the gas in the exchanging chamber.

Specifically, as shown in fig. 1 or fig. 2, the filter unit 300 is communicated with the air outlet 140 through the air guide duct 310, and an activated carbon layer or a filter screen is disposed in the filter unit 300, so that the air and/or the inert gas flowing out from the air outlet 140 can be filtered out of the harmful gas contained in the air and/or the inert gas when passing through the filter unit 300, and then discharged to the external environment. The filter part 300 is provided to be environmentally friendly.

The utility model discloses a some embodiments still include storage portion 400, are provided with the storage cavity in the storage portion 400, and the storage cavity communicates with the replacement chamber, and storage portion 400 is used for saving the powder material.

Specifically, as shown in fig. 1 or 2, the storing part 400 functions to store the powdery material, and the storing chamber provided therein communicates with the replacement chamber in the replacement part 100 through the access pipe 410, and it can be understood that the position of the replacement part 100 to which the access pipe 410 is connected may be different depending on the purpose of the device for feeding and discharging the powdery material. When the feeding and discharging device suitable for powder is used for conveying the powder material in the storage cavity towards the target cavity 700, the access pipe 410 is connected to the first feeding port 110, and then the powder material in the storage cavity falls into the replacement cavity from the storage cavity through the first feeding port 110 under the action of the cyclone or vacuum suction device connected in series to the access pipe 410; when the feeding and discharging device suitable for powder is used for conveying the powder material to the storage part 400 for storage, the access pipe 410 is connected to the first discharge port 120, and then the powder material in the replacement cavity is sucked into the storage cavity from the replacement cavity through the cyclone or vacuum sucking device connected in series to the access pipe 410. It will be appreciated that the storage section 400 is arranged such that a powder-adapted feeding and discharging device can store powder material or convey powder material towards the target cavity 700.

The utility model discloses a some embodiments still include transition portion 500, are provided with the transition chamber in the transition portion 500, are provided with second feed inlet 510 and second discharge gate 520 on the transition chamber, and second feed inlet 510 communicates with first discharge gate 120, and second discharge gate 520 communicates with the storage cavity.

Specifically, as shown in fig. 1, when the feeding and discharging device suitable for powder is used to convey a powder material to the storage portion 400 for storage, if the access pipe 410 is directly connected to the first discharge port 120, the access pipe 410 is likely to be clogged, and in order to solve this problem, the transition portion 500 is provided.

Transition portion 500 sets up between storage portion 400 and replacement portion 100, has seted up the through-hole on the transition chamber of setting in transition portion 500, and these through-holes divide into second feed inlet 510 and second discharge gate 520 according to the function, and second feed inlet 510 can communicate through pipeline and first discharge gate 120, also can be directly with second feed inlet 510 and first discharge gate 120 concatenation together for the powder material falls out the back from first discharge gate 120, can enter into in the transition chamber. The second discharge port 520 is connected to the storage chamber through the access pipe 410, and the powder material in the transition chamber is conveyed to the storage chamber under the action of the cyclone or vacuum suction device connected in series to the access pipe 410. It will be appreciated that the provision of the transition portion 500 effectively avoids jamming of the access tube 410.

In some embodiments of the present invention, the device further includes a feeding portion 530, the feeding portion 530 is in a shape of a screw, the feeding portion 530 is disposed above the replacement portion 100, and the feeding portion 530 is used for adding the powder material into the replacement cavity from the first feeding hole 110.

Specifically, as shown in fig. 1, the screw-shaped feeding portion 530 has screw blades spirally distributed thereon, and in order to convey the powder material in the target cavity 700 from the first feeding port 110 to the replacement cavity, the feeding portion 530 is disposed above the replacement portion 100. During actual use, the feeding portion 530 can rotate around a fixed axis, and in the rotating process, powder materials falling between adjacent screw blades can move towards the direction of the replacement cavity under the pushing of the screw blades and finally fall into the replacement cavity through a pipeline or directly.

Further, the feeding part 530 can be divided into a shaft screw and a shaftless screw according to the kind of the powder material, wherein the shaft screw has a larger driving force and is used for conveying the powder material with a larger specific gravity; the shaftless screw has higher conveying speed but weaker driving force, so the shaftless screw is used for conveying powder materials with lighter specific gravity. It can be understood that such design makes the device of input and output material that is applicable to the powder can adopt the most suitable pay-off mode to the powder material of different proportion, has improved the efficiency of carrying the powder material in the replacement chamber.

The utility model discloses a some embodiments still include feed portion 600 and second material valve 640, are provided with the feeding chamber in the feed portion 600, are provided with third feed inlet 610 and third discharge gate 620 on the feeding chamber, and third feed inlet 610 communicates with the storage chamber, and third discharge gate 620 communicates with first feed inlet 110, and second material valve 640 sets up in third discharge gate 620 and first feed inlet 110 intercommunication department.

Specifically, as shown in fig. 2, when the feeding and discharging device for powder is used to convey the powder material in the storage chamber from the storage chamber to the target chamber 700, in order to avoid piling too much powder material in the replacement chamber at a time, a feeding portion 600 is provided.

Reinforced portion 600 sets up between storage portion 400 and replacement portion 100, has seted up the through-hole on the feeding cavity of setting in feeding portion 600, and these through-holes divide into third feed inlet 610 and third discharge gate 620 according to the function, and third feed inlet 610 is through access pipe 410 and storage cavity intercommunication, and under the effect of the whirlwind or the vacuum suction device of concatenating on access pipe 410, the powder material in the storage cavity is carried in the feeding cavity. The third discharging hole 620 may be communicated with the first feeding hole 110 through a pipe, or the third discharging hole 620 may be directly spliced with the first feeding hole 110. The second material valve 640 is fixed on the lower side of the feeding portion 600 by means of fasteners or clamping grooves and buckles, and is located at the third discharge hole 620. The second material valve 640 may be a leaf structure, or a gate-shaped switch capable of being freely opened or closed, and the purpose of adding the powder material in the feeding cavity into the replacement cavity as required is achieved by operating the second material valve 640.

It can be understood that the feeding portion 600 is arranged to effectively avoid the situation that too much powder material is piled up in the replacement cavity at one time.

Further, the second material valve 640 includes a second rotating shaft and at least three second blades, the second blades are fixed to the second rotating shaft, and the second blades are rotationally symmetrically distributed with respect to the central axis of the second rotating shaft. The details of the second tooth blade and the second rotating shaft are similar to those of the first rotating shaft 210 and the first tooth blade 220, and are not described herein again.

In some embodiments of the present invention, the device further comprises a blowing unit disposed below the displacement unit 100, the blowing unit being configured to jet a pulse airflow toward the powder material falling from the first discharge port 120.

Specifically, as shown in fig. 2, the air blowing part is a pulse airflow emitting device, in this case, a pipeline for conveying the powder material is arranged between the displacement part 100 and the target cavity 700, and is named as a conveying pipeline 630, an opening is arranged on the conveying pipeline 630, and is named as a pulse airflow port 631, and the pulse airflow port 631 is used for allowing the pulse airflow injected by the air blowing part to enter into the conveying pipeline 630. In practical use, the powder material falling into the conveying pipe 630 from the first discharge port 120 will drift toward the target cavity 700 under the action of the pulse airflow, and finally fall into the target cavity 700. It can be understood that the blowing part achieves the purpose of conveying the powder material to the target cavity 700, and meanwhile, the powder material is in a dust shape in the conveying process and is more fluffy, so that the powder material is favorable for being used after entering the target cavity 700.

It is understood that when the feeding and discharging device for powder is used to convey the powder material in the storage cavity from the storage cavity to the target cavity 700, the feeding portion 530 having a screw-shaped structure may also be used, and the using method of the feeding portion 530 is the same as that of the feeding portion 530 described above, and will not be described herein again.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A business turn over material device suitable for powder, its characterized in that for access powder material includes:

2. The feeding and discharging device suitable for powder of claim 1, comprising a plurality of the replacement parts, wherein the replacement parts are sequentially arranged from top to bottom, two adjacent replacement parts are spaced in the vertical direction, and the first discharge port of the replacement part located above is communicated with the first feed port of the replacement part located below.

3. The feeding and discharging device suitable for powder of claim 1, wherein the first material valve comprises a first rotating shaft and at least three first tooth blades, the first tooth blades are fixed on the first rotating shaft, and the first tooth blades are rotationally symmetrically distributed relative to a central axis of the first rotating shaft.

4. The feeding and discharging device for powder according to claim 1, further comprising a vibrating portion fixed to the replacing portion, the vibrating portion vibrating the replacing portion.

5. The feeding and discharging device suitable for powder of claim 1, further comprising a filtering part, wherein the filtering part is communicated with the gas outlet, and the filtering part is used for filtering the gas in the displacement cavity.

6. The feeding and discharging device suitable for powder of claim 1, further comprising a storage portion, wherein a storage cavity is arranged in the storage portion, the storage cavity is communicated with the replacement cavity, and the storage portion is used for storing the powder material.

7. The feeding and discharging device suitable for powder of claim 6, further comprising a transition part, wherein a transition cavity is arranged in the transition part, a second feeding hole and a second discharging hole are arranged on the transition cavity, the second feeding hole is communicated with the first discharging hole, and the second discharging hole is communicated with the storage cavity.

8. The feeding and discharging device suitable for the powder of claim 7, further comprising a feeding portion, wherein the feeding portion is in a screw shape, the feeding portion is disposed above the replacement portion, and the feeding portion is used for adding the powder material into the replacement cavity from the first feeding hole.

9. The feeding and discharging device suitable for powder of claim 6, further comprising a feeding portion and a second material valve, wherein a feeding cavity is arranged in the feeding portion, a third feeding port and a third discharging port are arranged on the feeding cavity, the third feeding port is communicated with the material storage cavity, the third discharging port is communicated with the first feeding port, and the second material valve is arranged at a position where the third discharging port is communicated with the first feeding port.

10. A feeding and discharging device for powder according to claim 9, further comprising a blowing unit disposed below the displacement unit, the blowing unit being configured to jet a pulse airflow toward the powder material falling from the first discharge port.