Automatic quantitative packing scale with anti-blocking function for superfine powder packing

Abstract

The utility model relates to an automatic ration packing scale with anti -blocking function for superfine powder packaging, including packing scale body and feed hopper, the packing scale body is provided with anti -blocking subassembly, the anti -blocking subassembly includes setting on the filter screen of feed hopper and the cam of abutment with filter screen, the packing scale body is provided with the first drive part of being connected with cam, just the first drive part is used for driving filter screen to do transverse reciprocation, the top of filter screen and the inside of feed hopper are provided with the stirring frame, the packing scale body is provided with the second drive part of being connected with stirring frame, and second drive part is used for driving stirring frame to do circumferential motion. This automatic ration packing scale with anti -blocking function for superfine powder packaging, utilizes cam to drive filter screen to do transverse reciprocation, carries out mechanical crushing to the agglomerated material, and preloosens simultaneously with the aid of stirring frame, has solved the technical problem that superfine powder material is easy to jam in the packaging process.

Description

Technical Field

[0001] This utility model relates to the field of packaging scale technology, specifically to an automatic quantitative packaging scale for packaging ultrafine powder with anti-clogging function. Background Technology

[0002] Automatic packaging quantitative scales are devices used to package bulk materials according to specified weights. They are widely used in automated industrial and agricultural production. They automatically complete the weighing and packaging process through computer operation and have the characteristics of fast weighing speed, high accuracy, simple operation and convenient maintenance. Automatic packaging quantitative scales automatically weigh, fill and seal materials through a built-in quantitative weighing system.

[0003] In existing technologies, automatic quantitative packaging scales are mainly used for accurately measuring and packaging bulk materials, such as powders, granules, and liquids. When using automatic quantitative packaging scales to quantitatively package ultrafine powders, the ultrafine powders are prone to clumping when the air humidity is high. The clumped ultrafine powders can easily block the feed inlet of the automatic quantitative packaging scale, resulting in uneven discharge and affecting the normal weighing of the packaging scale. Currently, the anti-clogging methods for automatic quantitative packaging scales usually involve using appropriate flow controllers and level controllers to monitor and adjust the flow of materials in a timely manner to avoid excessive material accumulation. However, when material blockage occurs, the user needs to clean the clumped material, which cannot completely eliminate the blockage and still affects the normal use of the automatic quantitative packaging scale. Therefore, an automatic quantitative packaging scale with anti-clogging function for ultrafine powder packaging is proposed to solve the above problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides an automatic quantitative packaging scale for ultrafine powder packaging with anti-clogging function. It has the advantage of preventing material blockage and solves the problem that the current anti-clogging methods of automatic quantitative packaging scales usually involve using appropriate flow controllers and level controllers to monitor and adjust the flow of materials in a timely manner to avoid excessive material accumulation. However, when material blockage occurs, users need to clean the clumps of material, which cannot completely eliminate the blockage and still affects the normal use of the automatic quantitative packaging scale.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an automatic quantitative packaging scale for packaging ultrafine powder with anti-clogging function, comprising a packaging scale body and a feeding hopper, wherein the packaging scale body is provided with an anti-clogging component to ensure smooth material discharge from the feeding hopper; The anti-clogging component includes a filter screen plate disposed on the feed hopper and a cam abutting against the filter screen plate. The packaging scale body is provided with a first drive unit connected to the cam, and the first drive unit is used to drive the filter screen plate to perform lateral reciprocating motion. A stirring frame is disposed above the filter screen plate and inside the feed hopper. The packaging scale body is provided with a second drive unit connected to the stirring frame, and the second drive unit is used to drive the stirring frame to perform circumferential motion.

[0006] Furthermore, a connecting plate is provided on the filter screen plate, and a spring is provided on the connecting plate. The side of the spring away from the connecting plate is connected to the feed hopper.

[0007] Furthermore, the feed hopper has a connecting port for inserting the filter screen plate, the feed hopper is provided with a sealing sleeve, the sealing sleeve has a through-hole that fits the filter screen plate with a gap, and the stirring frame is U-shaped.

[0008] Furthermore, the number of springs is at least two, and the at least two springs are distributed at equal intervals on the connecting plate.

[0009] Furthermore, the packaging scale body is equipped with a dual-axis drive component, which is connected to a cam. A shaft is provided on the outer side of the output shaft of the dual-axis drive component, and a stirring rod is vertically arranged on the stirring frame.

[0010] Furthermore, a first pulley is fitted around the outer periphery of the shaft, and a second pulley is fitted around the outer periphery of the stirring rod.

[0011] Furthermore, the first pulley and the second pulley are located on the same horizontal line, and the first pulley is connected to the second pulley via a belt.

[0012] Compared with the prior art, the technical solution of this application has the following beneficial effects: This automatic quantitative packaging scale for ultrafine powder with anti-clogging function drives a cam through the first drive unit, which forces the filter screen plate to make high-frequency transverse reciprocating motion. It can actively and continuously impact, crush, and disperse the ultrafine powder material that has been clumped or is prone to clumping in the feed hopper, thus eliminating the formation of material blockage at the source and ensuring absolute smooth discharge. At the same time, the stirring rack pre-stirs and loosens the material falling from the upper part of the feed hopper, preventing large clumps of material from accumulating and impacting the screen plate. This constitutes a three-dimensional, full-process anti-clogging system, which significantly improves the reliability and thoroughness of anti-clogging.

[0013] This automatic quantitative packaging scale for ultrafine powder packaging with anti-clogging function ensures that a stable material flow is a prerequisite for accurate weighing. It guarantees that the material is supplied to the weighing unit evenly and smoothly, effectively avoiding weight errors caused by poor material flow. This ensures the weight accuracy and consistency of each package of product, improving product quality. It uses a single drive source to drive the sieve plate and the mixing rack simultaneously, resulting in a compact structure, low energy consumption, and high transmission efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the anti-clogging component of this utility model; Figure 3 This is a schematic diagram of the stirring rack structure in this utility model; Figure 4 This utility model Figure 3 Enlarged schematic diagram of the structure at point A in the middle; Figure 5 A bottom view of the cam structure of this utility model.

[0015] In the diagram: 1. Packaging scale body; 2. Feed hopper; 3. Anti-clogging component; 301. Filter screen plate; 302. Connecting plate; 303. Spring; 304. Drive component; 305. Cam; 306. Stirring frame; 307. Shaft; 308. Stirring rod; 309. First pulley; 310. Second pulley. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example

[0017] Please see Figure 1-2 An automatic quantitative packaging scale for ultrafine powder packaging with anti-clogging function has the function of preventing material blockage and ensuring smooth feeding of ultrafine powder materials.

[0018] An automatic quantitative packaging scale for packaging ultrafine powder with anti-clogging function in this embodiment includes a packaging scale body 1 and a feeding hopper 2. The packaging scale body 1 is provided with an anti-clogging component 3 to ensure that the material in the feeding hopper 2 is discharged smoothly. The anti-clogging component 3 includes a filter screen plate 301 disposed on the feed hopper 2 and a cam 305 abutting against the filter screen plate 301. A first drive unit is disposed on the packaging scale body 1 and connected to the cam 305. The first drive unit is used to drive the filter screen plate 301 to perform transverse reciprocating motion. A stirring frame 306 is disposed above the filter screen plate 301 and inside the feed hopper 2. A second drive unit is disposed on the packaging scale body 1 and connected to the stirring frame 306. The second drive unit is used to drive the stirring frame 306 to perform circumferential motion.

[0019] It should be noted that a weighing sensor is installed on the packaging scale body 1 and below the discharge port of the feed hopper 2. The weighing sensor is a common accessory in existing automatic quantitative packaging scales. Its working principle is a well-known technology in the field of packaging scales and will not be elaborated on in this article.

[0020] In application, the ultrafine powder material to be packaged is first fed into the feed hopper 2. During its descent, the material first passes through the mixing frame 306. The second drive unit connected to the mixing frame 306 is activated, driving the mixing frame 306 to rotate circumferentially. The rotating mixing frame 306 pre-stirs and loosens the material in the upper part of the feed hopper, breaking up the initially formed clumps and preventing large pieces of material from directly accumulating on the filter screen plate 301 below. The pre-stirred material continues to fall onto the filter screen plate 301. Simultaneously, the first drive unit is activated, driving the cam 305... The rotating cam 305, with its irregular shape, periodically abuts against one side of the filter screen plate 301. When the protruding part of the cam 305 pushes the screen plate, the screen plate overcomes the resistance and moves to one side. When the concave part of the cam 305 turns towards the screen plate, the screen plate moves in the opposite direction under the action of the reset device. This cycle repeats, and the rotational motion of the cam 305 is converted into a continuous, high-frequency lateral reciprocating motion of the filter screen plate 301. Under the action of gravity, ultrafine powder materials of suitable particle size fall smoothly through the screen holes on the filter screen plate 301. For materials that have agglomerated due to moisture or other reasons and cannot be contained... The material passing through the sieve holes is continuously impacted, sheared, and squeezed by the reciprocating filter screen plate 301, effectively breaking it down and crushing it into small enough particles to pass through the sieve holes. The combination of upper-layer stirring and lower-layer filter screen plate 301 vibration crushing forms a three-dimensional, full-process anti-clogging system, greatly improving the reliability of anti-clogging. The ultrafine powder material that has been broken down and passed through the filter screen plate 301 finally flows smoothly out of the discharge port of the feed hopper 2 and falls onto the weighing sensor of the packaging scale body 1 below, completing accurate quantitative weighing and subsequent packaging. Example

[0021] The basic content is the same as in Example 1, except that: Please see Figure 2-5In this embodiment, a connecting plate 302 is provided on the filter screen plate 301, and a spring 303 is provided on the connecting plate 302. The side of the spring 303 away from the connecting plate 302 is connected to the feed hopper 2.

[0022] Multiple small holes are formed on the filter screen plate 301 for the passage of ultrafine powder materials, and agglomerated ultrafine powder materials cannot pass through the filter screen plate 301.

[0023] It should be noted that the drive component 304 in this application is a dual-axis motor, which is connected to the control unit and is used to control the output shaft of the drive component 304 to rotate at a constant speed. The control unit is a technology known to those skilled in the art of packaging scales, and will not be described in detail in this application.

[0024] The feed hopper 2 has a connecting port for inserting the filter screen plate 301. The feed hopper 2 is equipped with a sealing sleeve, and the sealing sleeve has a through-hole that fits the filter screen plate 301 with a clearance. The stirring frame 306 is U-shaped.

[0025] It should be noted that the sealing sleeve is installed on the feed hopper 2, and its through-hole is fitted with the filter screen plate 301 with a clearance. This design ensures that the filter screen plate 301 can move freely back and forth, while effectively preventing ultrafine powder materials from leaking out from the gaps in the movement, thus maintaining a clean working environment.

[0026] The packaging scale body 1 is provided with a dual-shaft drive component 304, which is connected to a cam 305. A shaft 307 is provided on the outer side of the output shaft of the dual-shaft drive component 304, and a stirring rod 308 is vertically provided on the stirring frame 306.

[0027] A first pulley 309 is fitted around the outer periphery of the shaft 307, and a second pulley 310 is fitted around the outer periphery of the stirring rod 308.

[0028] The first pulley 309 and the second pulley 310 are located on the same horizontal line, and the first pulley 309 is connected to the second pulley 310 by a belt.

[0029] In application, when weighing and packaging ultrafine powder materials is required, the dual-shaft drive 304 is activated. One output shaft of the dual-shaft drive 304 directly drives the cam 305 to rotate, while the other output shaft drives the shaft 307 to rotate. The irregular shape of the rotating cam 305 periodically abuts against one side of the filter screen plate 301. When the cam 305 pushes the filter screen plate 301 to one side (e.g., to the left) at its maximum diameter, the spring 303 is compressed and stores energy. When the cam 305 rotates to its minimum diameter and contacts the screen plate, the compressed spring 303 releases energy, providing a rebound force and driving the filter screen plate 301 to move to the other side to reset. This cycle repeats, and the continuous rotational motion of the cam 305 is converted into a continuous, high-frequency lateral reciprocating motion of the filter screen plate 301. The other output shaft of the dual-shaft drive 304 drives the first pulley 309 through the shaft 307. The first pulley 309 transmits power to the second pulley 310 via a belt. The second pulley 310 drives the stirring rod 308 to rotate, thereby driving the entire U-shaped stirring frame 306 to rotate circumferentially above the filter screen plate 301. The rotating stirring frame 306 pre-stirs and loosens the ultrafine powder material that has just fallen from the feed inlet, breaking up the initially formed clumps, reducing the load on the filter screen plate 301 below, and forming a synergistic anti-clogging effect with the crushing action of the filter screen plate 301. The ultrafine powder material, after being fully dispersed and screened, finally flows smoothly out from the bottom of the feed hopper 2 and falls onto the weighing sensor of the packaging scale body 1 to complete accurate quantitative weighing.

[0030] In summary, the working principle of this automatic quantitative packaging scale for ultrafine powder with anti-clogging function is as follows: When weighing and packaging ultrafine powder materials is required, the dual-shaft drive 304 is activated. One output shaft of the dual-shaft drive 304 directly drives the cam 305 to rotate, while the other output shaft drives the shaft 307 to rotate. The irregular shape of the rotating cam 305 periodically abuts against one side of the filter screen plate 301. When the cam 305 pushes the filter screen plate 301 to one side (e.g., to the left) at its maximum diameter, the spring 303 is compressed and stores energy. When the cam 305 rotates to its minimum diameter and contacts the screen plate, the compressed spring 303 releases energy, providing a rebound force and driving the filter screen plate 301 to move to the other side to reset. This cycle repeats, and the continuous rotation of the cam 305 is converted into a continuous, high-frequency lateral reciprocating motion of the filter screen plate 301. The other output shaft of the dual-shaft drive 304 drives the first pulley 309 to rotate via the shaft 307. The first pulley 309 transmits power to the second pulley 310 via a belt, and the second pulley 310 drives the stirring rod 308. The rotation drives the entire U-shaped stirring frame 306 to rotate circumferentially above the filter screen plate 301. The rotating stirring frame 306 pre-stirs and loosens the ultrafine powder material that has just fallen from the feed inlet, breaks up the initially formed clumps, reduces the load on the filter screen plate 301 below, and forms a synergistic anti-clogging effect with the crushing action of the filter screen plate 301. The ultrafine powder material that has been fully dispersed and screened finally flows smoothly out from the bottom of the feed hopper 2 and falls onto the weighing sensor of the packaging scale body 1 to complete accurate quantitative weighing.

[0031] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. An automatic quantitative packaging scale for packaging ultrafine powder with anti-clogging function, characterized in that: Includes a packaging scale body (1) and a feeding hopper (2), wherein the packaging scale body (1) is provided with an anti-clogging component (3) to ensure that the material in the feeding hopper (2) is discharged smoothly; The anti-clogging component (3) includes a filter screen plate (301) disposed on the feed hopper (2) and a cam (305) abutting against the filter screen plate (301). The packaging scale body (1) is provided with a first drive unit connected to the cam (305), and the first drive unit is used to drive the filter screen plate (301) to perform transverse reciprocating motion. A stirring rack (306) is disposed above the filter screen plate (301) and inside the feed hopper (2). The packaging scale body (1) is provided with a second drive unit connected to the stirring rack (306), and the second drive unit is used to drive the stirring rack (306) to perform circumferential motion.

2. The automatic quantitative packaging scale for ultrafine powder packaging with anti-clogging function according to claim 1, characterized in that: A connecting plate (302) is provided on the filter screen plate (301), and a spring (303) is provided on the connecting plate (302). The side of the spring (303) away from the connecting plate (302) is connected to the feed hopper (2).

3. The automatic quantitative packaging scale for ultrafine powder packaging with anti-clogging function according to claim 1, characterized in that: The feed hopper (2) has a communication port for inserting the filter screen plate (301). The feed hopper (2) is provided with a sealing sleeve. The sealing sleeve has a through-hole that fits the filter screen plate (301) with a gap. The stirring rack (306) is U-shaped.

4. The automatic quantitative packaging scale for ultrafine powder packaging with anti-clogging function according to claim 2, characterized in that: The number of springs (303) is at least two, and at least two springs (303) are distributed at equal intervals on the connecting plate (302).

5. An automatic quantitative packaging scale for packaging ultrafine powder with anti-clogging function according to claim 1, characterized in that: The packaging scale body (1) is provided with a dual-axis drive component (304), which is connected to a cam (305). A shaft (307) is provided on the outer side of the output shaft of the dual-axis drive component (304), and a stirring rod (308) is vertically provided on the stirring frame (306).

6. An automatic quantitative packaging scale for packaging ultrafine powder with anti-clogging function according to claim 5, characterized in that: The outer periphery of the shaft (307) is fitted with a first pulley (309), and the outer periphery of the stirring rod (308) is fitted with a second pulley (310).

7. An automatic quantitative packaging scale for packaging ultrafine powder with anti-clogging function according to claim 6, characterized in that: The first pulley (309) and the second pulley (310) are located on the same horizontal line, and the first pulley (309) is connected to the second pulley (310) by a belt.

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