High-precision automatic weighing device for cable powder material

Abstract

The application relates to a high-precision automatic weighing device for cable powder materials, and belongs to the technical field of powder material weighing. The device comprises a supporting frame, a storage bin mounted on the supporting frame, a discharging assembly, a weighing assembly and a data processor. The discharging assembly comprises a discharging pipe in communication with the storage bin and a discharging motor mounted on the storage bin, and the output shaft of the discharging motor is connected with a discharging blade. The weighing assembly comprises an electronic balance mounted on the supporting frame and a data monitor connected with the electronic balance. The data processor is in communication connection with the discharging motor and the data monitor. A blowing assembly is further mounted on the supporting frame, and the blowing assembly comprises a blower and a supporting box. The blower is connected with the supporting box through a first blowing pipe, and the blower is connected with the discharging pipe through a second blowing pipe. The application realizes automatic control of the powder material weighing process, and improves the weighing precision and work efficiency.

Description

Technical Field

[0001] This application relates to the technical field of powder material weighing, and in particular to a high-precision automatic weighing device for cable powder materials. Background Technology

[0002] Currently, when quantitatively weighing powder materials used in cable manufacturing in the laboratory, such as weighing flame retardants or insulating fillers, operators generally rely on the traditional manual scooping method. This method has revealed a series of significant drawbacks and limitations in practical applications.

[0003] The first core issue is insufficient weighing accuracy. Manual scooping methods generally achieve a weighing accuracy of 0.01 grams, but in repeated weighing, the results can fluctuate by as much as ±0.05 grams. This level of accuracy cannot meet the stringent requirements of ultra-high precision weighing in modern cable material research and manufacturing, especially in applications requiring accuracy to four decimal places (0.0001 grams). Secondly, powder spillage is frequent during material transfer. This not only directly wastes valuable materials and increases experimental costs, but more seriously, the spilled powder can pollute the laboratory environment and affect other experiments. Utility Model Content

[0004] To address the problems of insufficient accuracy, easy spillage, waste, and pollution caused by manual weighing of cable powder materials, this application provides a high-precision automatic weighing device for cable powder materials.

[0005] The high-precision automatic weighing device for cable powder materials provided in this application adopts the following technical solution: A high-precision automatic weighing device for cable powder materials includes a support frame, a storage hopper, a feeding assembly, a weighing assembly, and a data processor. The storage hopper is connected to the support frame. The feeding assembly includes a feeding pipe and a feeding motor. The feeding motor is mounted on the storage hopper, and the feeding pipe is connected to the storage hopper. The output shaft of the feeding motor extends into the storage hopper, and feeding blades are connected to the output shaft. The weighing assembly includes an electronic balance connected to the support frame. The electronic balance includes a weighing plate, and the port of the feeding pipe faces the weighing plate of the electronic balance. A data monitor is connected to the electronic balance. The data processor is connected to the support frame, and the feeding motor is electrically connected to the data processor. The data monitor is communicatively connected to the data processor.

[0006] By adopting the above technical solution, the storage silo, as a storage container for powder materials, features a top-to-bottom tapering structure that facilitates the centralized flow of materials. The feeding assembly, driven by a feeding motor, rotates the feeding blades to actively control the amount of powder fed. The weighing assembly collects weighing data in real time via an electronic balance and data monitor, providing feedback for precise control. The data processor, as the control core, not only receives weighing data but also controls the operation of the feeding motor to achieve intelligent management of the weighing process. This systematic design enables fully automated operation of the powder material weighing process, significantly reducing the degree of manual intervention and improving the accuracy of the weighing process.

[0007] Preferably, both the radial and axial ends of the feeding blades are in contact with the sidewall of the storage bin.

[0008] By adopting the above technical solution, the design of keeping the radial and axial ends of the feeding blade in contact with the side wall of the storage bin effectively prevents the powder material from sticking and accumulating on the bin wall, ensuring the continuity of powder flow and avoiding possible blockage during the feeding process.

[0009] Preferably, a flexible scraper is connected to the radial end of the feeding blade.

[0010] By adopting the above technical solution, the flexible scraper set at the end of the feeding blade can further remove the powder material adhering to the bin wall, improve the integrity of feeding, and minimize the residue of material in the storage bin.

[0011] Preferably, the storage bin is located above the electronic balance, and the discharge pipe is vertically connected to the lower end of the storage bin.

[0012] By adopting the above technical solution, the storage silo is placed directly above the electronic balance, and a vertically arranged feeding pipe is used, so that the powder material can fall into the weighing plate by gravity. This layout effectively reduces the exposure time of the powder in the air and reduces the possibility of material flying and spilling.

[0013] Preferably, the support frame is further connected to a blower assembly, which includes a support box and a blower; the support box is connected between the storage bin and the electronic balance, the lower end of the feeding pipe extends from the top wall of the support box into the support box, and the top wall of the weighing plate of the electronic balance extends from the bottom wall of the support box into the support box; the blower is connected to the support frame, the blower is located on one side of the electronic balance, and a first blower pipe is connected to the blower; An air inlet is provided on one side wall of the support box, and the end of the first air blower extends into the support box from the air inlet.

[0014] By adopting the above technical solution, the blowing assembly sends directional airflow into the support box through the first blowing pipe, which can effectively remove residual powder accumulated on the weighing plate and at the outlet of the feeding pipe, thereby improving the accuracy and repeatability of the weighing results.

[0015] Preferably, the support box is connected to a door, and an exhaust vent is provided on the other side wall of the support box.

[0016] By adopting the above technical solution, the design of the combination of the door and the exhaust port not only facilitates the operator to pick up and put down containers and clean the equipment, but also ensures the sealing during operation through the tightening buckle, effectively preventing dust from overflowing.

[0017] Preferably, the blower is also connected to a second blower pipe, the end of which extends from the side wall of the feed pipe into the feed pipe.

[0018] By adopting the above technical solution, the second air blower delivers airflow into the feed pipe, preventing powder materials from adhering and accumulating on the inner wall of the pipe, and keeping the feed channel unobstructed.

[0019] Preferably, the blower assembly further includes a vacuum cleaner, which is mounted on the support frame and is located on the other side of the electronic balance; the vacuum cleaner is connected to a suction pipe, the end of which extends from the exhaust port into the support box.

[0020] By adopting the above technical solution, the vacuum cleaner can promptly suck up the dust raised inside the support box through the suction pipe, maintaining a clean working environment inside and avoiding cross-contamination between different batches of materials.

[0021] In summary, this application includes the following beneficial technical effects: 1. Through the coordinated operation of the feeding blades and the flexible scraper, uniform and stable conveying of powder materials is achieved.

[0022] 2. Through the linkage control of the data monitor and the data processor, the speed of the feeding motor is automatically adjusted, and the intelligent switching from high-speed coarse feeding to low-speed fine feeding is completed, which greatly improves the weighing accuracy.

[0023] 3. Through the efficient collaboration of the blower and the vacuum cleaner, residual powder in the feeding pipe and weighing area is removed, effectively preventing dust from flying and causing environmental pollution. Attached Figure Description

[0024] Figure 1 This is a schematic diagram illustrating the overall structure in the embodiments of this application.

[0025] Figure 2 This is a cross-sectional schematic diagram used to illustrate a local structure in the embodiments of this application.

[0026] Figure 3 This is a schematic diagram illustrating the structure of the feeding motor in the embodiments of this application.

[0027] Figure 4 This is a schematic diagram illustrating the structure of the electronic balance and support box in the embodiments of this application.

[0028] Figure 5 This is a schematic diagram illustrating the installation position of the weighing plate in the embodiments of this application.

[0029] Explanation of reference numerals in the attached drawings: 1. Support frame; 11. Magnet; 2. Storage bin; 3. Feeding assembly; 31. Feeding pipe; 32. Feeding motor; 321. Feeding blade; 3211. Flexible scraper; 4. Weighing assembly; 41. Data monitor; 42. Electronic balance; 421. Weighing plate; 5. Blowing assembly; 51. Blower; 511. First blower pipe; 512. Second blower pipe; 52. Support box; 521. Air inlet; 522. Air outlet; 523. Box door; 5231. Iron block; 525. Clamping buckle; 53. Vacuum cleaner; 531. Vacuum suction pipe; 6. Data processor. Detailed Implementation

[0030] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0031] This application discloses a high-precision automatic weighing device for cable powder materials, referring to... Figures 1-3 The system includes a support frame 1, a storage bin 2, a feeding assembly 3, a weighing assembly 4, and a data processor 6. The storage bin 2 is fixedly connected to the upper end of the support frame 1, and the cross-sectional dimensions of the storage bin 2 gradually decrease from top to bottom. The feeding assembly 3 includes a feeding pipe 31 and a feeding motor 32. The feeding motor 32 is mounted on the storage bin 2 and located at the lower end of the storage bin 2. The output shaft of the feeding motor 32 extends into the storage bin 2, and a feeding blade 321 is connected to the output shaft of the feeding motor 32. Both the radial and axial ends of the feeding blade 321 are in contact with the side wall of the storage bin 2, and a flexible scraper 3211 is fixedly connected to the radial end of the feeding blade 321. The feeding pipe 31 is vertically connected to the lower end of the storage bin 2 and communicates with the storage bin 2.

[0032] Reference Figure 1 , Figure 4 and Figure 5 The weighing assembly 4 includes a data monitor 41 and an electronic balance 42. The electronic balance 42 is fixedly connected to the lower end of the support frame 1, and the data monitor 41 is fixedly connected to the side wall of the electronic balance 42. The electronic balance 42 includes a weighing plate 421. The storage bin 2 is located directly above the electronic balance 42, and the lower end of the discharge pipe 31 faces the weighing plate 421.

[0033] Reference Figure 1The data processor 6 is fixedly connected to the support frame 1, and the feeding motor 32 is communicatively connected to the data processor 6. The feeding motor 32 is also connected to the data processor 6 via a power cord. The data monitor 41 is communicatively connected to the data processor 6.

[0034] Reference Figures 1-3 The data processor 6 starts the feeding motor 32 via the power cord, and the output shaft of the feeding motor 32 drives the feeding blade 321 to rotate. Both the radial and axial ends of the feeding blade 321 contact the side wall of the storage hopper 2, and a flexible scraper 3211 is fixedly connected to the radial end of the feeding blade 321. During rotation, the flexible scraper 3211 scrapes the inner wall of the storage hopper 2 to prevent powder adhesion and promote powder flow. The powder inside the storage hopper 2 is discharged through the feeding pipe 31 and falls onto the weighing plate 421. The data monitor 41 monitors the weight of the powder on the weighing plate 421 in real time and transmits the weight data to the data processor 6. The data processor 6 compares the real-time weight with a preset weight value. When the weight approaches the target value, it adjusts the speed of the feeding motor 32 to control the feeding rate, ultimately achieving a precise stop. Specifically, in the initial stage of feeding, the feeding motor 32 is controlled to run at high speed to achieve rapid feeding; when the real-time weight approaches the target value (e.g., reaching 90%-95% of the target value), the motor speed is reduced, switching to a low-speed precision feeding mode to accurately control the feeding flow rate; finally, the motor power is immediately cut off the moment the weight reaches the target value, achieving precise stopping. The entire process achieves automated weighing, reducing manual intervention. This application ensures uniform powder feeding through the cooperation of the feeding blade 321 and the flexible scraper 3211, avoiding powder spillage, thereby reducing material waste and environmental pollution. At the same time, the collaborative work of the data monitor 41 and the data processor 6 achieves higher weighing accuracy, overcoming the problems of insufficient accuracy and large fluctuations in manual weighing.

[0035] Reference Figure 1 , Figure 2 and Figure 4 The support frame 1 is also connected to a blower assembly 5, which includes a blower 51, a support box 52, and a vacuum cleaner 53. The support box 52 is fixedly connected to the upper end of the electronic balance 42 and is located between the storage bin 2 and the electronic balance 42. The lower end of the feeding pipe 31 extends from the top wall of the support box 52 into the support box 52, and the top wall of the weighing plate 421, which is fixedly connected to the electronic balance 42, extends from the bottom wall of the support box 52 into the support box 52.

[0036] Reference Figure 1 , Figure 4 and Figure 5The hair dryer 51 is connected to the support frame 1 and is located on one side of the electronic balance 42. An air inlet 521 is provided on the side wall of the support box 52 near the hair dryer 51. A first air pipe 511 is connected to the hair dryer 51, and the end of the first air pipe 511 extends into the support box 52 from the air inlet 521. An exhaust port 522 is provided on the side wall of the support box 52 away from the hair dryer 51.

[0037] Reference Figure 2 The blower 51 is also connected to a second blower pipe 512, the end of which extends through the side wall of the feed pipe 31 and into the interior of the feed pipe 31. The vacuum cleaner 53 is fixedly connected to the support frame 1 and located near the exhaust port 522. The vacuum cleaner 53 is connected to a suction pipe 531, the end of which extends from the exhaust port 522 into the support box 52. The purpose of the blower assembly 5 is to prevent fine powder particles from adhering to the inner wall of the feed pipe 31 or scattering on the weighing plate of the electronic balance 42 during the falling of the powder material. These residual powder particles may affect the accuracy of subsequent weighing results, leading to measurement errors.

[0038] Reference Figure 1 , Figure 4 and Figure 5 A door 523 is installed on the side wall between the air inlet 521 and the air outlet 522 of the support box 52. Specifically, the upper end of the door 523 is rotatably connected to the side wall of the support box 52, and a clamping buckle 525 is installed between the door 523 and the support box 52; the lower end of the door 523 is clamped to the side wall of the support box 52 by the clamping buckle 525. A magnet 11 is fixedly connected to the support frame 1 at the upper end of the door 523, and an iron block 5231 is fixedly connected to the side wall of the door 523. When performing material handling operations, the operator can flip the door 523 upwards. The iron block 5231 fixed to the side wall of the door 523 and the magnet 11 installed on the support frame 1 attract each other, keeping the door 523 in a stable open state, providing sufficient operating space for picking up and placing containers on the weighing plate 421. When cleaning and maintenance of the interior of the support box 52 and the discharge pipe 31 are required, the operator must close the box door 523. The lower end of the box door 523 is securely connected to the side wall of the support box 52 via a snap-fit ​​fastener 525, ensuring that a sealed space is formed when the box door 523 is closed. This effectively prevents dust from escaping during the cleaning process and maintains the cleanliness of the laboratory environment.

[0039] The implementation principle of the high-precision automatic weighing device for cable powder materials in this embodiment is as follows: the data processor 6 controls the operation of the feeding motor 32, which drives the feeding blade 321 to rotate, so that the powder is discharged from the storage bin 2 through the feeding pipe 31 onto the weighing plate 421. The data monitor 41 monitors the weight data in real time and feeds it back to the data processor 6. The data processor 6 achieves precise feeding control by adjusting the speed of the feeding motor 32.

[0040] The blower 51 blows air into the support box 52 through the first blower pipe 511 and sweeps the inner wall of the feed pipe 31 through the second blower pipe 512. This airflow can effectively remove powder material adhering to the wall of the feed pipe 31 and the weighing plate 421. The airflow inside the support box 52 carries loose powder out from the exhaust port 522, while the vacuum cleaner 53 promptly absorbs and collects the dust raised through the suction pipe 531, keeping the inside of the support box 52 clean.

[0041] This application achieves precise metering of powder materials through automated weighing. The cooperation between the feeding blade 321 and the flexible scraper 3211 ensures the stability of powder flow and avoids spillage that occurs during manual operation. The coordinated work of the blowing assembly 5 and the vacuum cleaner 53 effectively solves the problems of powder adhesion and residue. The entire system realizes a closed operation of the powder weighing process, reducing material waste and lowering the risk of environmental pollution.

[0042] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A high-precision automatic weighing device for cable powder materials, characterized in that: It includes a support frame (1), a storage bin (2), a feeding assembly (3), a weighing assembly (4), and a data processor (6); the storage bin (2) is connected to the support frame (1), the feeding assembly (3) includes a feeding pipe (31) and a feeding motor (32), the feeding motor (32) is installed on the storage bin (2), and the feeding pipe (31) is connected to the storage bin (2); The output shaft of the feeding motor (32) extends into the storage bin (2), and a feeding blade (321) is connected to the output shaft of the feeding motor (32); The weighing assembly (4) includes an electronic balance (42) which is connected to the support frame (1); The electronic balance (42) includes a weighing plate (421), and the port of the feed tube (31) faces the weighing plate (421) of the electronic balance (42); a data monitor (41) is connected to the electronic balance (42); The data processor (6) is connected to the support frame (1), and the feeding motor (32) is electrically connected to the data processor (6); The data monitor (41) is communicatively connected to the data processor (6).

2. The high-precision automatic weighing device for cable powder materials according to claim 1, characterized in that: The radial and axial ends of the feeding blade (321) are in contact with the side wall of the storage bin (2).

3. The high-precision automatic weighing device for cable powder materials according to claim 2, characterized in that: The radial end of the feeding blade (321) is connected to a flexible scraper (3211).

4. The high-precision automatic weighing device for cable powder materials according to claim 1, characterized in that: The storage bin (2) is located above the electronic balance (42), and the discharge pipe (31) is vertically connected to the lower end of the storage bin (2).

5. The high-precision automatic weighing device for cable powder materials according to claim 4, characterized in that: The support frame (1) is also connected to a blower assembly (5), which includes a support box (52) and a blower (51); The support box (52) is connected between the storage bin (2) and the electronic balance (42). The lower end of the feeding pipe (31) extends from the top wall of the support box (52) into the support box (52). The top wall of the weighing plate (421) of the electronic balance (42) extends from the bottom wall of the support box (52) into the support box (52). The hair dryer (51) is connected to the support frame (1), the hair dryer (51) is located on one side of the electronic balance (42), and the hair dryer (51) is connected to the first blow pipe (511); An air inlet (521) is provided on one side wall of the support box (52), and the end of the first air blower (511) extends into the support box (52) from the air inlet (521).

6. The high-precision automatic weighing device for cable powder materials according to claim 5, characterized in that: The support box (52) is connected to a door (523), and an exhaust vent (522) is provided on the other side wall of the support box (52).

7. The high-precision automatic weighing device for cable powder materials according to claim 5, characterized in that: The blower (51) is also connected to a second blower pipe (512), the end of which extends from the side wall of the feed pipe (31) into the feed pipe (31).

8. A high-precision automatic weighing device for cable powder materials according to claim 6, characterized in that: The blower assembly (5) also includes a vacuum cleaner (53), which is mounted on the support frame (1) and is located on the other side of the electronic balance (42); The vacuum cleaner (53) is connected to a suction pipe (531), the end of which extends from the exhaust port (522) into the support box (52).

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