CN215664191U - Constant pressure type feeder - Google Patents
Constant pressure type feeder Download PDFInfo
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- CN215664191U CN215664191U CN202122400832.0U CN202122400832U CN215664191U CN 215664191 U CN215664191 U CN 215664191U CN 202122400832 U CN202122400832 U CN 202122400832U CN 215664191 U CN215664191 U CN 215664191U
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- metering
- small charging
- constant pressure
- metering plate
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Abstract
The utility model discloses a constant pressure type feeder, which comprises a metering plate, a hopper and a small charging bucket arranged on the metering plate, wherein a metering cavity is formed in the metering plate, the metering cavity penetrates through the metering plate, a rotary valve plate is rotatably arranged on the upper end surface of the metering plate and is used for communicating or disconnecting the small charging bucket and the metering cavity, a switch door is arranged on the lower end surface of the metering plate, a connecting pipe is communicated with the side wall of the small charging bucket, and the upper end of the connecting pipe is communicated with the bottom of the hopper.
Description
Technical Field
The utility model relates to the technical field of powder packaging machinery, in particular to a constant-pressure feeder.
Background
A lot of materials are required to be made into powder in the production of medicines or foods and then packaged, a material filling mechanism of an existing powder packaging machine usually comprises a storage bin, a discharging screw rod and the like, the filled materials are conveyed into a packaging bag by the discharging screw rod after being stirred in the storage bin, the discharging screw rod is influenced by the material quantity in the storage bin during forced conveying, for example, when the material quantity is large, a compression effect can be generated, the weight is heavier after packaging, when the material quantity is small, the weight is lighter, the measurement is easy to cause instability, the actual discharging quantity of the powder is greatly different from the standard discharging quantity, defective products are large in packaging, the rework rate is high, and the production requirement cannot be met.
Disclosure of Invention
The utility model aims to provide a constant-pressure feeder, which is characterized in that a connecting pipe is adopted to guide materials in a hopper into a small charging bucket from the side wall of the small charging bucket, when powdery materials guided into the small charging bucket are stacked to a certain height, the materials in the small charging bucket generate resistance due to the angle of repose effect of the materials, and the materials in the hopper stop entering the small charging bucket through the connecting pipe, so that the heights of the materials in the small charging bucket are kept consistent, the consistency of the materials entering a metering cavity is ensured, and the constant-pressure feeder has the advantages of good automatic control, high production efficiency and high metering precision, and solves the problems in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a constant pressure formula charging means, includes metering plate 1, hopper 9 and installs little storage bucket 7 on the metering plate 1, metering chamber 6 has been seted up on the metering plate 1, metering chamber 6 runs through metering plate 1 sets up, the rotatable rotary valve piece 5 that is provided with of 1 up end of metering plate, rotary valve piece 5 is used for the intercommunication or the disconnection little storage bucket 7 with metering chamber 6, the terminal surface is provided with switch door 2 under the metering plate 1, the lateral wall intercommunication of little storage bucket 7 is equipped with connecting pipe 8, connecting pipe 8 upper end with 9 bottom intercommunications of hopper.
Further, the lateral wall of the upper portion of the small charging bucket 7 is provided with a breathing pipe 15, the breathing pipe 15 is used for communicating the inside of the small charging bucket 7 with the atmosphere, and the lateral wall of the small charging bucket 7 is located, and a sight glass 12 is installed below the breathing pipe 15.
Further, the bottom of the metering plate 1 is connected with a funnel 14, the bottom of the funnel 14 is communicated with a blanking nozzle 3, and the switch door 2 is contained in the funnel 14.
Furthermore, a rotating shaft 4 is arranged in the small charging bucket 7, the lower end of the rotating shaft 4 is connected with the rotary valve plate 5, and the upper end of the rotating shaft 4 extends out of the top end of the small charging bucket 7 and is connected with a power source through a universal coupling 11.
Further, the power source comprises a motor 13 and a speed reducer 10, the output end of the motor 13 is connected with the input end of the speed reducer 10, and the output end of the speed reducer 10 is connected with the universal coupling 11.
The working principle and the beneficial effects of the utility model are as follows: the utility model provides a constant pressure type feeder, which adopts a connecting pipe to guide materials in a hopper into a small charging basket from the side wall of the small charging basket, when powdery materials guided into the small charging basket reach a certain height, the materials in the small charging basket generate resistance due to the angle of repose effect of the materials, the materials in the hopper stop entering the small charging basket through the connecting pipe, when a rotary valve plate rotates away from a metering cavity, the materials enter the metering cavity, when the rotary valve plate covers the metering cavity and an opening and closing door turns downwards, the metered materials fall into a hopper and enter a discharging nozzle, then the opening and closing door turns upwards to block the lower end of the metering cavity, the rotary valve plate rotates away from the metering cavity again, the materials enter the metering cavity again, the circulation is carried out, when the materials in the small charging basket are reduced, the materials in the hopper continue to enter the small charging basket through the connecting pipe, the heights of the materials in the small charging basket are kept consistent, namely the pressure of the materials entering the metering cavity is constant, the automatic metering device has the advantages of good automatic control, high production efficiency and high metering precision.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a sectional view a-a of fig. 2.
Fig. 4 is a partial sectional view of B-B in fig. 3.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a constant pressure feeder includes a metering plate 1, hopper 9 and install little storage bucket 7 on metering board 1, metering chamber 6 has been seted up on metering board 1, metering chamber 6 runs through metering board 1 and sets up, the rotatable rotary valve piece 5 that is provided with of 1 up end of metering board, rotary valve piece 5 is used for intercommunication or disconnection little storage bucket 7 and metering chamber 6, the terminal surface is provided with switch door 2 under metering board 1, the lateral wall intercommunication of little storage bucket 7 is equipped with connecting pipe 8, connecting pipe 8 upper end and 9 bottom intercommunications of hopper, for convenient quick blanking, switch door 2 sets up the structure that can overturn usually, switch door 2 opens metering chamber bottom when overturning downwards under power unit's drive, thereby it covers metering chamber 6 export sealedly and closes to make the up end of switch door and metering board 1's lower terminal surface laminating to make the upset.
Preferably, 7 upper portion lateral walls of little storage bucket are provided with respiratory tube 15, respiratory tube 15 is used for 7 inside and atmosphere intercommunications of little storage bucket, it has installed sight glass 12 to lie in respiratory tube 15 below on 7 lateral walls of little storage bucket, respiratory tube 15 communicates with atmosphere in the little storage bucket 7, material surface atmospheric pressure in messenger's hopper 9 is the same with material surface atmospheric pressure in the little storage bucket 7, the height of piling up of material in little storage bucket 7 just determines by the angle of repose of material like this, thereby guarantee the uniformity that the material pile up the height, the material condition in the observation little storage bucket 7 that can be convenient through sight glass 12.
Preferably, the lower bottom of the metering plate 1 is connected with a funnel 14, the bottom of the funnel 14 is communicated with a blanking nozzle 3, and the switch door 2 is contained in the funnel 14.
Through the arrangement, the materials in the hopper 9 are guided into the small material barrel 7 from the side wall of the small material barrel 7 by the connecting pipe 8, when the powdery materials in the small material barrel 7 are stacked to a certain height, the materials in the small material barrel 7 generate resistance due to the material repose angle effect, the materials in the hopper 9 stop entering the small material barrel 7 through the connecting pipe 8, when the rotary valve plate 5 rotates away from the metering cavity 6, the materials enter the metering cavity 6, when the rotary valve plate 5 covers the metering cavity 6 and the switch door 2 turns downwards, the metered materials fall into the hopper 14 and enter the discharging nozzle 3, then the switch door 2 turns upwards to block the lower end of the metering cavity 6, the rotary valve plate 5 rotates away from the metering cavity 6 again, the materials enter the metering cavity 6 again, the circulation is repeated, when the materials in the small material barrel 7 are reduced, the materials in the hopper 9 continue to enter the small material barrel 7 through the connecting pipe 8, and the heights of the materials in the small material barrel 7 are kept consistent, namely, the pressure of the material entering the metering cavity 6 is constant, and the automatic metering device has the advantages of good automatic control, high production efficiency and high metering precision.
Preferably, the rotating shaft 4 is arranged in the small charging bucket 7, the lower end of the rotating shaft 4 is connected with the rotary valve plate 5, and the upper end of the rotating shaft 4 extends out of the top end of the small charging bucket 7 and is connected with a power source through the universal coupling 11.
Preferably, the power supply includes motor 13 and speed reducer 10, the output of motor 13 is connected with the input of speed reducer 10, the output of speed reducer 10 is connected with universal shaft coupling 11, here motor 13 adopts step motor or servo motor usually, it rotates 90 degrees to drive rotary valve piece 5 at every turn, the location is accurate, as shown in fig. 4, when motor 13 drives rotary valve piece 5 and is in the C position, the mouth on metering cavity 6 is opened, the material can get into metering cavity 6, when motor 13 drives rotary valve piece 5 and is in the D position, rotary valve piece 5 covers metering cavity 6 mouth, the material can not get into metering cavity 6.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A constant pressure feeder is characterized in that: including metering plate (1), hopper (9) and install little storage bucket (7) on metering plate (1), metering chamber (6) have been seted up on metering plate (1), metering chamber (6) run through metering plate (1) sets up, the rotatable rotatory rotary valve piece (5) that is provided with of metering plate (1) up end, rotary valve piece (5) are used for intercommunication or disconnection little storage bucket (7) with metering chamber (6), the terminal surface is provided with switch door (2) under metering plate (1), the lateral wall intercommunication of little storage bucket (7) is equipped with connecting pipe (8), connecting pipe (8) upper end with hopper (9) bottom intercommunication.
2. The constant pressure feeder according to claim 1, wherein: the lateral wall of the upper part of the small charging bucket (7) is provided with a breathing tube (15), the breathing tube (15) is used for communicating the inside of the small charging bucket (7) with the atmosphere, and the lateral wall of the small charging bucket (7) is provided with a sight glass (12) below the breathing tube (15).
3. The constant pressure feeder according to claim 1, wherein: the bottom of the metering plate (1) is connected with a funnel (14), the bottom of the funnel (14) is communicated with a blanking nozzle (3), and the switch door (2) is contained in the funnel (14).
4. The constant pressure feeder according to claim 1, wherein: the rotary valve is characterized in that a rotary shaft (4) is arranged in the small charging bucket (7), the lower end of the rotary shaft (4) is connected with the rotary valve plate (5), and the upper end of the rotary shaft (4) extends out of the top end of the small charging bucket (7) and is connected with a power source through a universal coupling (11).
5. The constant pressure feeder according to claim 4, wherein: the power source comprises a motor (13) and a speed reducer (10), the output end of the motor (13) is connected with the input end of the speed reducer (10), and the output end of the speed reducer (10) is connected with the universal coupling (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122400832.0U CN215664191U (en) | 2021-10-02 | 2021-10-02 | Constant pressure type feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122400832.0U CN215664191U (en) | 2021-10-02 | 2021-10-02 | Constant pressure type feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215664191U true CN215664191U (en) | 2022-01-28 |
Family
ID=79967525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122400832.0U Active CN215664191U (en) | 2021-10-02 | 2021-10-02 | Constant pressure type feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215664191U (en) |
-
2021
- 2021-10-02 CN CN202122400832.0U patent/CN215664191U/en active Active
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