Powder weighing and feeding device

Abstract

The utility model relates to a powder weighing and feeding device, including mounting post, main hopper, feeding mechanism and stirring mechanism, be provided with the main hopper of upper end closed on mounting post, the outlet of main hopper is provided with the hollow cylindrical downcomer, the top of main hopper is provided with stirring mechanism vertically, the output of stirring mechanism extends to the inboard of main hopper downcomer downward and the outer diameter of stirring mechanism is consistent with the inner diameter of downcomer, the upper end of main hopper is provided with feed inlet, the rear side of mounting post is provided with feeding mechanism, the output of feeding mechanism extends to the above of main hopper feed inlet, and is used for transmitting powder to the feed inlet of main hopper, the horizontal setting of mounting post is located below the support frame of main hopper, be provided with weighing apparatus on support frame, place receiving basin on weighing apparatus, the utility model discloses a weighing apparatus is set up on the support frame below main hopper, and the receiving basin is placed on the weighing apparatus, can accurate weighing is carried out to the received powder, avoids the effect of die casting forming of too much or too little powder.

Description

Technical Field

[0001] This utility model relates to the field of powder weighing technology, specifically a powder weighing and feeding device. Background Technology

[0002] Powder can be a single raw material powder or a mixture of multiple raw materials. Powder is used in processing fields such as die casting and chemical industry. The powder used in die casting is mainly fed by a screw conveyor. The powder needs to be accurately measured during feeding to avoid too much or too little, which would affect the die casting effect. Therefore, a powder weighing and feeding device is provided. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a powder weighing and feeding device to address the above-mentioned shortcomings.

[0004] To solve the above technical problems, the present invention adopts the following technical solution:

[0005] A powder weighing and feeding device includes a mounting column, a main hopper, a feeding mechanism, and a stirring mechanism. The mounting column is equipped with a main hopper with a closed upper end. The main hopper outlet has a hollow cylindrical discharge port. A stirring mechanism is vertically mounted on the top of the main hopper. The output end of the stirring mechanism extends downward to the inside of the discharge port of the main hopper, and the outer diameter of the stirring mechanism is the same as the inner diameter of the discharge port. A feed inlet is opened at the upper end of the main hopper. A feeding mechanism is mounted on the rear side of the mounting column. The output end of the feeding mechanism extends above the feed inlet of the main hopper and is used to transfer powder to the feed inlet of the main hopper. A support frame is horizontally mounted on the mounting column below the main hopper. A weighing device is mounted on the support frame, and a receiving basin is placed on the weighing device.

[0006] Furthermore, the mixing mechanism includes a housing, a mixing motor, a rotating shaft, a feeding auger, a connecting ring, an L-shaped connecting rod, a scraper, and a chain drive mechanism. The main hopper has a housing at its top, and a mixing motor with its output end pointing downwards is located inside the housing. A chain drive mechanism is located at the output end of the mixing motor, and a rotating shaft extending through and into the inner side of the main hopper is located at the output end of the chain drive mechanism. A feeding auger extending into the inner side of the main hopper's discharge port is located at the lower end of the rotating shaft. The mixing motor drives the chain drive mechanism. The rotating mechanism drives the feeding auger to rotate around a vertical axis. When the feeding auger rotates, it can transport the powder inside the main hopper to the feeding port. A connecting ring is provided on the rotating shaft on the inner side of the main hopper. An L-shaped connecting rod is vertically provided on the outer side of the connecting ring. A scraper is provided at the lower end of the L-shaped connecting rod, which contacts the inner wall of the main hopper. The scraper has through holes to reduce stirring resistance. When the feeding auger rotates, it can drive the scraper to move along the inner wall of the main hopper. The outer diameter of the feeding auger is the same as the inner diameter of the feeding port.

[0007] Furthermore, the feeding mechanism includes a mounting frame, a conveying pipe, a feeding hopper, a feeding motor, a belt drive mechanism, and a feeding auger. A mounting frame is provided on the rear side of the mounting column. A conveying pipe with its output end extending above the main hopper inlet is inclinedly provided on the mounting frame. A feeding auger for conveying powder is provided inside the conveying pipe. A feeding hopper is provided on the top of the mounting frame. The discharge port of the feeding hopper is connected to the inlet of the conveying pipe. A feeding motor is provided on the mounting frame. A belt drive mechanism is provided at the output end of the feeding motor. The output end of the belt drive mechanism is connected to the input end of the feeding auger.

[0008] Compared with the prior art, the present invention, by adopting the above technical solution, has the following advantages:

[0009] This invention allows for precise weighing of the received powder by installing a weighing device on the support frame below the main hopper and placing a receiving basin on the weighing device, thus avoiding the impact of too much or too little powder on the die-casting molding effect.

[0010] The mixing mechanism uses the rotating auger to transport the powder in the main hopper to the discharge port. When the auger is closed, the powder will accumulate and adhere to the auger blades at the upper end of the discharge port. When the auger is started, it can simultaneously drive the scraper to scrape the inner wall of the main hopper, which helps the powder to fall smoothly and ensures the uniformity and stability of the discharge.

[0011] The present invention will now be described in detail with reference to the accompanying drawings and embodiments. Attached Figure Description

[0012] Figure 1 This is a partial cross-sectional view of the left side of this utility model;

[0013] Figure 2 This is a front view schematic diagram of the present utility model;

[0014] Figure 3 This is a cross-sectional schematic diagram of the stirring structure.

[0015] The attached diagram lists the components represented by each number as follows:

[0016] 1. Mounting column; 2. Main hopper; 3. Feeding mechanism; 301. Mounting frame; 302. Conveying pipe; 303. Feeding hopper; 304. Feeding motor; 305. Belt drive mechanism; 306. Feeding auger; 4. Mixing mechanism; 401. Outer shell; 402. Mixing motor; 403. Rotating shaft; 404. Discharge auger; 405. Connecting ring; 406. L-shaped connecting rod; 407. Scraper; 408. Chain drive mechanism; 5. Support frame; 6. Weighing device. Detailed Implementation

[0017] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.

[0018] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0019] like Figure 1-3 As shown, a powder weighing and feeding device includes a mounting column 1, a main hopper 2, a feeding mechanism 3, and a stirring mechanism 4. The mounting column 1 is equipped with a main hopper 2 with a closed upper end. The outlet of the main hopper 2 is provided with a hollow cylindrical discharge port. The stirring mechanism 4 is vertically mounted on the top of the main hopper 2. The output end of the stirring mechanism 4 extends downward to the inside of the discharge port of the main hopper 2, and the outer diameter of the stirring mechanism 4 is consistent with the inner diameter of the discharge port. The upper end of the main hopper 2 is provided with a feed inlet. The feeding mechanism 3 is provided on the rear side of the mounting column 1. The output end of the feeding mechanism 3 extends above the feed inlet of the main hopper 2 and is used to transfer powder to the feed inlet of the main hopper 2. A support frame 5 is horizontally mounted on the mounting column 1 and located below the main hopper 2. A weighing device 6 is mounted on the support frame 5, and a receiving basin is placed on the weighing device 6.

[0020] In one embodiment, the stirring mechanism 4 includes a housing 401, a stirring motor 402, a rotating shaft 403, a feeding auger 404, a connecting ring 405, an L-shaped connecting rod 406, a scraper 407, and a chain drive mechanism 408. The housing 401 is located at the top of the main hopper 2. The stirring motor 402 with its output end pointing downwards is located inside the housing 401. The chain drive mechanism 408 is located at the output end of the stirring motor 402. A rotating shaft 403, penetrating and extending into the inner side of the main hopper 2, is located at the output end of the chain drive mechanism 408. A feeding auger 404, extending into the inner side of the main hopper 2's discharge port, is located at the lower end of the rotating shaft 403. The stirring motor 402... The chain drive mechanism 408 is used to rotate, which in turn drives the feeding auger 404 to rotate around a vertical axis. When the feeding auger 404 rotates, it can transport the powder inside the main hopper 2 to the feeding port. A connecting ring 405 is provided on the rotating shaft 403, located on the inner side of the main hopper 2. An L-shaped connecting rod 406 is vertically provided on the outer side of the connecting ring 405. A scraper 407 is provided at the lower end of the L-shaped connecting rod 406, which contacts the inner wall of the main hopper 2. The scraper 407 has a through hole for reducing stirring resistance. When the feeding auger 404 rotates, it can drive the scraper 407 to move along the inner wall of the main hopper 2. The outer diameter of the feeding auger 404 is the same as the inner diameter of the feeding port.

[0021] In one embodiment, the feeding mechanism 3 includes a mounting frame 301, a conveying pipe 302, a feeding hopper 303, a feeding motor 304, a belt drive mechanism 305, and a feeding auger 306. The mounting frame 301 is provided on the rear side of the mounting column 1. The conveying pipe 302, with its output end extending above the inlet of the main hopper 2, is inclinedly provided on the mounting frame 301. The feeding auger 306 for conveying powder is provided inside the conveying pipe 302. The feeding hopper 303 is provided on the top of the mounting frame 301. The discharge port of the feeding hopper 303 is connected to the inlet of the conveying pipe 302. The feeding motor 304 is provided on the mounting frame 301. The output end of the feeding motor 304 is provided with a belt drive mechanism 305. The output end of the belt drive mechanism 305 is connected to the input end of the feeding auger 306.

[0022] In this utility model, an operation panel is provided on one side of the main hopper 2. The operation panel is provided with start and stop switches for the feeding motor 304 and the stirring motor 402. The weighing device 6 is electrically connected to the operation panel. The operation panel is provided with a display screen for displaying the weight of the powder.

[0023] The working process of this utility model is as follows: The powder to be used is poured into the feeding hopper 303. The feeding motor 304 is turned on, and the feeding motor 304 drives the feeding auger 306 to rotate via the belt drive mechanism 305. The feeding auger 306 rotates inside the conveying pipe 302, conveying the powder in the feeding hopper 303 upwards along the inclined conveying pipe 302 until the powder falls from the output end of the conveying pipe 302 into the inlet of the main hopper 2 and enters the main hopper 2. When there is a certain amount of powder in the main hopper 2, the stirring motor 402 is started. The stirring motor 402 drives the rotating shaft 403 to rotate, and the feeding auger 404 at the lower end of the rotating shaft 403 rotates accordingly, conveying the powder inside the main hopper 2 to the discharge port. At the same time, the connecting ring 405 on the rotating shaft 403 drives the L-shaped connecting rod 406 and the scraper 407 to rotate. The scraper 407 stirs the powder in the main hopper 2, making the powder fall more evenly and preventing the powder from clogging the discharge port. The powder falling from the discharge port of the main hopper 2 enters the receiving basin placed on the weighing device 6. The weighing device 6 measures the weight of the powder in the receiving basin in real time. When the value on the display screen reaches the preset weight value, the stirring motor 402 is manually turned off, completing the weighing and feeding process of the powder.

[0024] The above description provides examples of the preferred embodiments of this utility model. Any aspects not detailed herein are common knowledge to those skilled in the art. The scope of protection of this utility model is determined by the claims. Any equivalent modifications based on the technical teachings of this utility model are also within the scope of protection of this utility model.

Claims

1. A powder weighing and feeding device, characterized in that, The device includes a mounting column (1), a main hopper (2), a feeding mechanism (3), and a stirring mechanism (4). The mounting column (1) is equipped with a main hopper (2) with a closed upper end. The outlet of the main hopper (2) is provided with a hollow cylindrical discharge port. The stirring mechanism (4) is vertically mounted on the top of the main hopper (2). The output end of the stirring mechanism (4) extends downward to the inside of the discharge port of the main hopper (2), and the outer diameter of the stirring mechanism (4) is consistent with the inner diameter of the discharge port. The main hopper (2) has a feed inlet at its upper end. A feeding mechanism (3) is provided on the rear side of the mounting column (1). The output end of the feeding mechanism (3) extends above the feed inlet of the main hopper (2) and is used to transfer powder to the feed inlet of the main hopper (2). A support frame (5) is horizontally provided on the mounting column (1) below the main hopper (2). A weighing device (6) is provided on the support frame (5), and a receiving basin is placed on the weighing device (6).

2. The powder weighing and feeding device according to claim 1, characterized in that, The stirring mechanism (4) includes a housing (401), a stirring motor (402), a rotating shaft (403), a feeding auger (404), a connecting ring (405), an L-shaped connecting rod (406), a scraper (407), and a chain drive mechanism (408). The main hopper (2) is provided with a housing (401) at the top. The housing (401) is provided with a stirring motor (402) with its output end facing downwards inside the housing (401). The output end of the stirring motor (402) is provided with a chain drive mechanism (408). The output end of the chain drive mechanism (408) is provided with a rotating shaft (403) that penetrates and extends into the inner side of the main hopper (2). The lower end of the rotating shaft (403) is provided with a feeding auger (404) that extends into the inner side of the discharge port of the main hopper (2). The stirring motor (402) is provided with a chain drive mechanism (408). The auger (404) is used to drive the chain drive mechanism (408) to rotate, thereby driving the feeding auger (404) to rotate around the vertical axis. When the feeding auger (404) rotates, it can transport the powder inside the main hopper (2) to the feeding port. The rotating shaft (403) is provided with a connecting ring (405) located on the inner side of the main hopper (2). An L-shaped connecting rod (406) is vertically provided on the outer side of the connecting ring (405). The lower end of the L-shaped connecting rod (406) is provided with a scraper (407) that contacts the inner wall of the main hopper (2). The scraper (407) is provided with a through hole for reducing the stirring resistance. When the feeding auger (404) rotates, it can drive the scraper (407) to move along the inner wall of the main hopper (2). The outer diameter of the feeding auger (404) is consistent with the inner diameter of the feeding port.

3. The powder weighing and feeding device according to claim 1, characterized in that, The feeding mechanism (3) includes a mounting frame (301), a conveying pipe (302), a feeding hopper (303), a feeding motor (304), a belt drive mechanism (305), and a feeding auger (306). The mounting frame (301) is provided on the rear side of the mounting column (1). The conveying pipe (302) with its output end extending above the feed inlet of the main hopper (2) is inclinedly provided on the mounting frame (301). The inner side of the conveying pipe (302) is provided with a mechanism for conveying powder. The feeding auger (306) has a feeding hopper (303) on the top of the mounting frame (301). The discharge port of the feeding hopper (303) is connected to the inlet of the conveying pipe (302). The mounting frame (301) is equipped with a feeding motor (304). The output end of the feeding motor (304) is equipped with a belt drive mechanism (305). The output end of the belt drive mechanism (305) is connected to the input end of the feeding auger (306).

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