CN110577089A - A powder discharge device - Google Patents

Abstract

The invention discloses a powder material discharging device, which comprises a material discharging control device, a weighing device, a material storage device and a feeding pipeline. The number of baffles for opening and closing the holes and the cylinders that drive the movement of the baffles, the number of baffles and cylinders correspond to the number of through holes; The cylinder is electrically connected; the storage device includes a storage hopper and a first feeding auger mechanism arranged in the middle of the storage hopper; the feeding pipeline is used to connect the storage device and the discharge control device, and the second feeding auger mechanism is arranged in the feeding pipeline. According to the powder material discharging device of the present invention, the powder material can be stored in large quantities and the weight of the monomer powder material can be automatically weighed, so as to effectively control the precision of the monomer powder material.

Description

A powder discharge device

technical field

The invention relates to the field of powder feeding, in particular to a powder discharging device.

Background technique

At present, on the processing line that uses powder as raw material, such as powder metallurgy and ceramic products, there are strict requirements on the weight of a single raw material, and it is necessary to continuously and repeatedly add powder raw materials, and at the same time separate and weigh the raw materials of a single product for subsequent processing. In the process of repeatedly weighing the raw materials of each single product manually, it is not only laborious and laborious, but also the weight error of the single product occurs due to manual operation. It is difficult to accurately control the weight of each single product due to manual control of the output, resulting in uneven quality of the finished product, increasing the production cost of the product, and reducing the production efficiency.

Contents of the invention

The purpose of the present invention is to at least solve one of the technical problems in the prior art, to provide a powder discharge device, which can store powder in large quantities and automatically weigh the weight of monomer powder, effectively controlling the accuracy of monomer powder .

According to a powder material discharging device according to an embodiment of the present invention, a powder material discharging device is provided, comprising

The discharge control device includes a valve body provided with a plurality of through-holes with different diameters, a plurality of baffles for controlling the on-off of the through-holes, and a plurality of cylinders for driving the movement of the baffles. The baffles, the The quantity of said cylinder corresponds to the quantity of said through hole one by one;

a weighing device, the weighing device is arranged below the discharge control device, and the weighing device is electrically connected to the plurality of cylinders;

The material storage device includes a storage hopper and a first feeding auger mechanism arranged in the middle of the storage hopper;

A feeding pipeline, the feeding pipeline is used to connect the material storage device and the material discharge control device, and a second feeding auger mechanism is arranged in the feeding pipeline.

The powder material discharging device according to the embodiment of the present invention has at least the following beneficial effects: the cylinder is electrically connected with the weighing device to form a closed-loop control system, and the cylinder control baffle controls the on-off of the through hole of the valve body. The setting value and the feedback from the weighing device control the powder discharge aperture, and the discharge aperture is opened and closed sequentially from large to small according to the needs, and the powder discharge accuracy is gradually improved to realize the control of the monomer powder discharge. Precise control; the setting of the storage hopper can realize the storage of large quantities of powder, and the single storage capacity is large, reducing the frequency of manual repeated addition of raw materials and reducing labor costs; the first feeding auger mechanism and the second feeding auger mechanism are set The material is conveyed, which can prevent the powder from clogging and uneven discharge.

According to some embodiments of the present invention, the discharge control device is further provided with a tapered discharge opening that becomes smaller along the discharge direction.

According to some embodiments of the present invention, the valve body is provided with through-holes of three different diameters: a large-diameter through-hole, a medium-diameter through-hole, and a small-diameter through-hole.

According to some embodiments of the present invention, the first feeding auger mechanism includes a first rotating motor, a first auger shaft connected to the first rotating motor, and a first auger shaft arranged on the auger shaft blade.

According to some embodiments of the present invention, the second feeding auger mechanism includes a second rotating motor, a second auger shaft connected to the second rotating motor, and a second auger shaft arranged on the auger shaft blade.

According to some embodiments of the present invention, the weighing device is set as an electronic scale.

According to some embodiments of the present invention, the discharge device further includes a storage hopper support for supporting the storage hopper, and a pipeline support is provided below the feeding pipeline.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and comprehensible from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is the schematic diagram of the powder discharge device of the embodiment of the present invention;

Fig. 2 is a schematic diagram of a discharge control device of the powder discharge device shown in Fig. 1 .

Reference signs:

Discharge control device 100, valve body 110, large-diameter through-hole 111, medium-diameter through-hole 112, small-diameter through-hole 113, first baffle 121, second baffle 122, third baffle 123, first flagpole 131 , the second cylinder 132, the third cylinder 133, weighing device 200, storage hopper 310, storage hopper support 311, the first feeding auger mechanism 320, feeding pipeline 410, pipeline support 411, the second feeding auger mechanism 420.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for 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 descriptions, such as up, down, front, back, left, right, etc. indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only In order to facilitate the description of the present invention and simplify the description, it 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, several means one or more, and multiple means more than two. Greater than, less than, exceeding, etc. are understood as not including the original number, and above, below, within, etc. are understood as including the original number. If the description of the first and second is only for the purpose of distinguishing the technical features, it cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features relation.

In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, and connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

A powder material discharging device according to an embodiment of the present invention will be described below with reference to FIG. 1 and FIG. 2 .

Referring to FIG. 1 and FIG. 2 , a powder discharge device according to an embodiment of the present invention includes a discharge control device 100 , a weighing device 200 , a storage device and a feeding pipeline 410 . The discharge control device 100 includes a valve body 110 provided with a plurality of through holes with different apertures, a plurality of baffles for controlling the on-off of the through holes, and a plurality of cylinders for driving the movement of the baffles. The quantity corresponds to one by one; the weighing device 200 is arranged under the discharge control device 100, and the weighing device 200 is electrically connected to a plurality of cylinders; the storage device includes a storage hopper 310 and a first feeding auger arranged in the middle of the storage hopper 310 The mechanism 320 ; the feeding pipeline 410 is used to connect the material storage device and the material discharge control device 100 , and the second feeding auger mechanism 420 is arranged in the feeding pipeline 410 .

Referring to Fig. 1 and Fig. 2, material storage device, feeding pipeline 410, discharge control device 100 are connected successively and arranged, and weighing device 200 is arranged below discharge control device 100, and the cylinder electric cylinder of weighing device 200 and discharge control device 100 Connect to form a closed-loop control system that controls the amount of powder output. The discharge control device 100 includes a valve body 110 provided with a plurality of through-holes with different apertures, a plurality of baffles for controlling the on-off of the through-holes, and a plurality of cylinders for driving the baffles to move. Through-holes of different diameters of the body 110 are controlled. The through-holes with different diameters are used to complete the discharge tasks of different orders; the cylinder is connected with the baffle, and the baffle blocks the through-holes to control the on-off of different through-holes. There is a one-to-one correspondence between the quantity and the position of the through hole, the baffle plate and the cylinder. According to the set value of the discharge and the feedback of the weighing device 200, the discharge aperture of the powder material is controlled, and the discharge aperture is opened and closed sequentially from large to small according to the needs, and the precision of the powder discharge is improved step by step, which can realize the monomer Precise control of powder output.

For example, in a specific embodiment of the present invention, the valve body 110 is provided with three through-holes with different apertures, namely the large-diameter through-hole 111, the medium-diameter through-hole 112 and the small-diameter through-hole 113, and the first stop Plate 121 , second baffle 122 , third baffle 123 and first flagpole 131 , second cylinder 132 and third cylinder 133 . In the actual use of this embodiment, 5.32 kg of material needs to be discharged. The first cylinder 131 controls the movement of the first baffle plate 121 to open the large-diameter through-hole 111 with the lowest discharge precision, and the remaining aperture through-holes are closed. First, use the large-aperture with the lowest discharge precision. Aperture through hole 111 is used for discharging; weighing device 200 senses the weight of the powder, and when the weight of powder reaches 5 kg, a feedback signal is given to the material control device 100 to control the closing of large aperture through hole 111, and the second cylinder 132 controls the first The movement of the second baffle plate 122 opens the middle-diameter through-hole 112, and the second-lowest middle-diameter through-hole 112 is used for discharging; when the powder weight on the weighing device 200 reaches 5.3 kg, the middle-diameter through-hole 112 is controlled to close , the third cylinder 133 controls the movement of the third baffle plate 123 to open the small-aperture through-hole 113, and the small-aperture through-hole 113 is used for discharging, and the powder on the weighing device with a weight of 5.32 jin closes the small-aperture through-hole 113 to stop discharging , and finally obtained 5.32 kg powder with accurate weight. In use, the discharge apertures are opened and closed sequentially from large to small according to the needs and the feedback from the weighing device 200 , the powder discharge accuracy is gradually improved, and precise control of the monomer powder discharge can be realized. It can be understood that the number of through holes can also be set as four, five, etc. with different diameters, but is not limited thereto.

The storage device includes a storage hopper 310, which stores powder in large quantities, reducing the frequency of manual and repeated addition of raw materials; the storage hopper 310 is provided with a first feeding auger mechanism 320, which transports the powder stored in the storage hopper 310, Compared with the natural drop conveying by gravity, conveying by using the first feeding auger mechanism 320 can avoid powder blockage and uneven discharge, and improve feeding efficiency.

The feeding pipeline 410 is used to connect the storage device and the discharge control device 100. The second feeding auger mechanism 420 is arranged in the feeding pipeline 410, which can carry out long-distance transportation of a large amount of powder in the storage device. Using the second feeding The feeding by the auger mechanism 420 can avoid powder blockage and uneven discharge, and improve feeding efficiency.

A powder material discharging device of the present invention is electrically connected to the weighing device 200 through the cylinder to form a closed-loop control system, and the cylinder control baffle controls the on-off of the through hole of the valve body 110. The feedback from the heavy device 200 controls the discharge aperture of the powder material, and the discharge aperture is opened and closed sequentially from large to small according to the needs, and the precision of powder discharge is improved step by step, so as to realize the precise control of the discharge amount of monomer powder; The setting of the hopper 310 can realize the storage of large quantities of powder materials, and the single storage capacity is large, which reduces the frequency of manual repeated addition of raw materials and reduces labor costs; the first feeding auger mechanism 320 and the second feeding auger mechanism 420 are set up for powder materials Conveying can prevent powder from clogging and uneven discharge.

In some specific embodiments of the present invention, the discharge control device 100 is also provided with a tapered discharge opening that becomes smaller along the discharge direction. By setting a tapered discharge port that becomes smaller along the discharge direction below the discharge device, the powder can be concentrated and dropped to the middle of the weighing device 200, which is beneficial to the weighing and subsequent collection of the material.

According to some embodiments of the present invention, the weighing device 200 is configured as an electronic scale. The weighing device 200 is set as an electronic scale, and weighs the discharge amount of the powder material. The electronic scale is electrically connected with the discharge control device 100, and the weighing data is fed back to the discharge control device 100 in time to form a closed-loop control system to control the powder discharge amount.

According to some embodiments of the present invention, the discharging device further includes a storage hopper support 311 for supporting the storage hopper 310 , and a pipeline support 411 is provided below the feeding pipeline 410 . A storage hopper support 311 is provided below the storage hopper 310, and a pipeline support 411 is provided below the feeding pipeline 410, which supports the storage hopper 310 and the feeding pipeline 410, and promotes the height of the storage hopper 310 and the feeding pipeline 410, which is conducive to the transportation and transportation of powder. Discharge.

The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the technical field, various modifications can be made without departing from the gist of the present invention. kind of change.

Claims (5)

1. A powder discharge device, characterized in that, comprising: The discharge control device includes a valve body provided with a plurality of through-holes with different diameters, a plurality of baffles for controlling the on-off of the through-holes, and a plurality of cylinders for driving the movement of the baffles. The baffles, the The quantity of said cylinder corresponds to the quantity of said through hole one by one; a weighing device, the weighing device is arranged below the discharge control device, and the weighing device is electrically connected to the plurality of cylinders; The material storage device includes a storage hopper and a first feeding auger mechanism arranged in the middle of the storage hopper; A feeding pipeline, the feeding pipeline is used to connect the material storage device and the material discharge control device, and a second feeding auger mechanism is arranged in the feeding pipeline. 2. A powder discharge device according to claim 1, characterized in that: the discharge control device is also provided with a tapered discharge opening that becomes smaller along the discharge direction. 3. A powder discharge device according to claim 1, characterized in that: the valve body is provided with through holes of three different diameters: a large diameter through hole, a medium diameter through hole and a small diameter through hole. 4. A powder discharging device according to claim 1, characterized in that: the weighing device is an electronic scale. 5 . The powder discharging device according to claim 1 , characterized in that: the discharging device further comprises a storage hopper support for supporting the storage hopper, and a pipe support is provided below the feeding pipeline. 5 .