Accurate proportioning and metering equipment for rubber compound raw materials

Abstract

The utility model belongs to the technical field of rubber processing equipment, and particularly relates to accurate proportioning and metering equipment for rubber compound raw materials, which comprises a stirring box, a mounting box, a partition plate, a plurality of liquid storage tanks, a plurality of material storage tanks, a quantitative conveying component, an adjusting component, a quantitative pump, a hollow shaft, a driving component, a stirring component and a discharging pipe, the mounting box and the discharging pipe are fixedly mounted at the top and the bottom of the stirring box respectively, the mounting box and the stirring box are both in a cylindrical shape, and the sides, close to each other, of the mounting box and the stirring box are each provided with a circular opening which keeps a communicating state. The device is reasonable in design, not only can realize accurate proportioning and accurate feeding of mixed rubber raw materials, but also is high in automation degree in the whole proportioning and metering process, does not need manual operation of workers, greatly reduces the labor intensity, improves the production efficiency, can ensure the processing quality of the mixed rubber raw materials through efficient stirring, and is suitable for popularization and application. And a powerful guarantee is provided for subsequent rubber compound production.

Description

Technical Field

[0001] This utility model relates to the field of rubber processing equipment technology, and in particular to a precise proportioning and metering equipment for compound rubber raw materials. Background Technology

[0002] In the rubber industry, the quality of rubber compound plays a decisive role in the performance of the final rubber products. The key prerequisite for high-quality rubber compound is the precise proportioning and measurement of its raw materials.

[0003] Traditional methods of mixing and metering raw materials for rubber compounds have many drawbacks. Early methods relied heavily on manual operation, requiring workers to add solid and liquid materials separately to the mixing equipment based on experience. This method was not only labor-intensive but also highly susceptible to human error, making it difficult to guarantee the accuracy of each mixing step and consequently affecting the stability of the rubber compound's quality. For example, when manually adding solid materials, the difficulty in precisely controlling the amount added each time could lead to an excess or deficiency of a key component in a batch of rubber compound, ultimately resulting in quality problems such as insufficient strength and poor abrasion resistance in the rubber products.

[0004] While some simple equipment has emerged to assist in proportioning processes with technological advancements, significant shortcomings remain. Early equipment employed a simple gravity-feeding method, controlling discharge through valves at the bottom of storage containers. However, this method is ineffective for precisely controlling the discharge rate of solid raw materials with varying flowability, easily leading to uneven feeding. For example, with highly viscous, easily agglomerated solid additives, feeding difficulties or even blockages frequently occur, severely impacting production efficiency and proportioning accuracy. Furthermore, in the addition of liquid raw materials, some early equipment relied solely on simple level gauges to estimate the dosage, lacking precise flow control devices. This resulted in significant deviations in the amount of liquid raw materials added, failing to meet the high-quality, high-precision production requirements of rubber compounds.

[0005] Faced with these problems, the industry urgently needs equipment that can achieve precise proportioning and metering to improve the production quality and efficiency of rubber compounds, reduce labor costs, ensure the quality stability of rubber products, and meet the growing market demand. Against this background, the precision proportioning and metering equipment for rubber compound raw materials of this utility model has emerged.

[0006] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0007] The purpose of this invention is to address the shortcomings mentioned in the background section by proposing a precise proportioning and metering device for rubber compound raw materials.

[0008] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a precise proportioning and metering equipment for rubber compound raw materials, including a mixing tank, a mounting box, a partition, multiple liquid storage tanks, multiple material storage tanks, a quantitative conveying component, an adjusting component, a quantitative pump, a hollow shaft, a drive component, a mixing component, and a discharge pipe;

[0009] The mounting box and discharge pipe are fixedly installed at the top and bottom of the mixing tank, respectively, and both the mounting box and the mixing tank are cylindrical. A circular opening is provided on the side of the mounting box and the mixing tank that is close to each other to maintain communication. The partition is fixedly installed on the inner wall of the mounting box. The hollow shaft is rotatably mounted on the mounting box and the mixing tank, and multiple hollow rods located inside the mixing tank are radially fixedly installed. The hollow rods are connected to the hollow shaft and have multiple through holes. The drive assembly is located on the partition and connected to the hollow shaft. Multiple material storage tanks and multiple liquid storage tanks are fixedly installed on the partition and the mounting box, respectively, based on the hollow shaft as the center. The system is configured such that the metering pump is fixedly installed on the top of the mounting box, and the outlet of the metering pump is rotatably connected to the hollow shaft in a sealed manner. Multiple storage tanks are each fixedly installed with a conveying pipe connected to the inlet of the metering pump, and multiple conveying pipes are each fixedly installed with a control valve. The metering conveying assembly is located on the bottom inner wall of the mounting box and is adapted to the circular opening. The bottom of multiple storage tanks is fixedly installed with a vertical pipe adapted to the metering conveying assembly and with a control valve. The adjusting assembly is located on the partition and connected to the metering conveying assembly. The stirring assembly is located on the inner side wall of the stirring tank and is staggered with multiple hollow rods.

[0010] Preferably, the quantitative conveying assembly includes two belt scales, two support rings, and four guide blocks. Two coaxial support rings are fixedly installed on the bottom inner wall of the mounting box. Each support ring has a ring-shaped guide groove. Two guide blocks are slidably installed in each guide groove. The same belt scale is fixedly installed on the two guide blocks on the same side. The two belt scales are symmetrically arranged based on the hollow shaft as the center.

[0011] Preferably, the adjustment assembly includes a second motor, a drive gear, and a toothed disc. The top of the two belt scales is fixedly mounted with the same toothed disc centered on a hollow shaft. The second motor is fixedly mounted on the partition plate, and a drive gear is fixedly sleeved on the output shaft of the second motor. The drive gear meshes with the toothed disc.

[0012] Preferably, the drive assembly includes a motor, a drive gear, and a driven gear. The motor is fixedly mounted on the partition plate, the drive gear is fixedly sleeved on the output shaft of the motor, and the driven gear is fixedly sleeved on the hollow shaft. The drive gear and the driven gear mesh with each other.

[0013] Preferably, the stirring assembly includes multiple stirring rods, and multiple stirring rods are fixedly installed on the inner side wall of the stirring tank, with the multiple stirring rods and multiple hollow rods arranged alternately.

[0014] Preferably, each of the multiple storage tanks is fixedly equipped with a feed pipe, which extends to the top of the mounting box.

[0015] Preferably, both control valve one and control valve two are electrically controlled valves.

[0016] The beneficial effects of this utility model are:

[0017] First, multiple storage tanks are used to hold the raw materials for the compound rubber, while multiple liquid storage tanks are used to store various liquids required for compound rubber processing. Then, with the precise control of the corresponding delivery pipes by control valve one, the liquid in the storage tanks is smoothly transferred to the mixing tank through a metering pump and hollow shaft. At the same time, the discharge operation of the corresponding vertical pipe is controlled by control valve two, so that the raw materials in the storage tanks can fall onto the belt scale to complete the weighing process. Thus, through the coordinated operation of various components, the accurate proportioning and measurement of the compound rubber raw materials are achieved, providing an accurate and suitable raw material ratio for subsequent compound rubber processing, effectively ensuring the smooth progress of the processing and the stable and reliable quality of the product. Furthermore, the use of electrically controlled valves such as control valve one and control valve two throughout the process greatly reduces the burden of manual operation for the staff and further improves work efficiency. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a three-dimensional structural diagram of a precision proportioning and metering equipment for rubber compound raw materials proposed in this utility model.

[0020] Figure 2 for Figure 1 A schematic diagram of the cross-sectional structure;

[0021] Figure 3 for Figure 2 The main view;

[0022] Figure 4 This is a partial three-dimensional structural schematic diagram of the present invention;

[0023] Figure 5This is a schematic diagram of the structure of the quantitative delivery component, liquid storage tank, delivery pipe, control valve, hollow rod, hollow shaft, adjustment component, and drive component proposed in this utility model.

[0024] Figure 6 for Figure 5 A schematic diagram of the structure of part A.

[0025] In the diagram: 1. Mixing tank; 11. Discharge pipe; 2. Mounting box; 21. Baffle plate; 3. Hollow shaft; 31. Hollow rod; 32. Mixing rod; 4. Motor 1; 41. Drive gear; 42. Driven gear; 5. Storage tank; 51. Conveying pipe; 52. Control valve 1; 53. Metering pump; 6. Storage tank; 61. Control valve 2; 7. Belt scale; 71. Support ring; 72. Gear disc; 73. Motor 2; 74. Drive gear. Detailed Implementation

[0026] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0027] Reference Figure 1-6 A precise proportioning and metering device for rubber compound raw materials includes a mixing tank 1, a mounting box 2, a partition plate 21, multiple liquid storage tanks 5, multiple material storage tanks 6, a metering pump 53, a hollow shaft 3, and a discharge pipe 11. The mounting box 2 and the discharge pipe 11 are respectively fixedly installed on the top and bottom of the mixing tank 1, and both the mounting box 2 and the mixing tank 1 are cylindrical. The sides of the mounting box 2 and the mixing tank 1 that are close to each other are provided with circular openings to maintain communication. The partition plate 21 is fixedly installed on the inner side wall of the mounting box 2. The hollow shaft 3 is rotatably installed on the mounting box 2 and the mixing tank 1, and multiple hollow rods 31 located inside the mixing tank 1 are radially fixedly installed. The hollow rods 31 are connected to the hollow shaft 3 and have multiple through holes. A motor 4 is fixedly installed on the partition plate 21. A drive gear 41 is fixedly sleeved on the output shaft of the motor 4, and a driven gear 42 is fixedly sleeved on the hollow shaft 3. The drive gear 41 and the driven gear 42 mesh with each other and can adjust the position of the belt scale 7 as needed.

[0028] Multiple storage tanks 6 and multiple liquid storage tanks 5 are respectively fixedly installed on partition plate 21 and mounting box 2, and are arranged around hollow shaft 3. A metering pump 53 is fixedly installed on the top of mounting box 2, and the outlet of metering pump 53 is rotatably connected to hollow shaft 3 in a sealed manner. Each of the multiple liquid storage tanks 5 is fixedly installed with a conveying pipe 51 connected to the inlet of metering pump 53, and each of the multiple conveying pipes 51 is fixedly installed with a control valve 52. Each of the multiple storage tanks 6 has a vertical pipe fixedly installed at its bottom, and a control valve 61 is fixedly installed on the vertical pipe. The bottom inner wall of mounting box 2 is fixedly equipped with... The system is equipped with two coaxial support rings 71, each with a ring-shaped guide groove. Two guide blocks are slidably installed in each guide groove. The same belt scale 7 is fixedly installed on the two guide blocks on the same side. The two belt scales 7 are symmetrically arranged based on the hollow shaft 3. When the material in the storage tank 6 is conveyed downward through the vertical pipe, it falls onto the belt scale 7 and is weighed. This facilitates the quantitative feeding operation into the mixing tank 1 through the two circular openings, thereby enabling the accurate proportioning of the mixing adhesive raw materials.

[0029] Two belt scales 7 are fixedly mounted on top of the same toothed disc 72 centered on the hollow shaft 3. A second motor 73 is fixedly mounted on the partition plate 21. A drive gear 74 is fixedly sleeved on the output shaft of the second motor 73. The drive gear 74 meshes with the toothed disc 72, and the angle of the two belt scales 7 centered on the hollow shaft 3 can be adjusted as needed, so as to facilitate the receiving of materials discharged from different vertical pipes. Multiple stirring rods 32 are fixedly mounted on the inner side wall of the mixing tank 1. The multiple stirring rods 32 and multiple hollow rods 31 are arranged in an alternating manner, which can improve the stirring effect during the mixing process of the adhesive.

[0030] In this embodiment, in order to facilitate the addition of materials, multiple storage tanks 6 are fixedly equipped with feed pipes that extend to the top of the mounting box 2.

[0031] Among them, control valve 52 and control valve 61 are both electrically controlled valves, which do not require manual operation by operators and greatly reduce the labor intensity of workers.

[0032] The circuits, electronic components, and module mechanisms involved all employ existing technologies, which can be fully implemented by those skilled in the art, and need no further explanation. The content protected by this application does not involve any improvement to the software, circuits, or methods.

[0033] Working principle: When in use, first connect the power supply and start the motor 4. Its output shaft drives the drive gear 41 to rotate. Since the drive gear 41 meshes with the driven gear 42, it drives the driven gear 42 and the hollow shaft 3 fixed thereto to rotate together. The rotation of the hollow shaft 3 further drives the multiple hollow rods 31 fixed radially on it to rotate. These hollow rods 31 are staggered with the stirring rods 32 in the mixing tank 1, and together they stir the rubber compound raw materials in the mixing tank 1, which enhances the stirring effect and improves the processing quality of the rubber compound.

[0034] Meanwhile, according to production needs, the corresponding conveying pipe 51 is switched on and off by control valve 52. With the cooperation of metering pump 53, the amount of liquid material added into the hollow shaft 3 can be precisely controlled. Then, it is evenly sprayed into the mixing tank 1 through the through hole on the hollow rod 31, so as to achieve full mixing with the rubber compound raw material in the mixing tank 1. In addition, the material discharge of the corresponding vertical pipe is controlled by control valve 61. The raw material in the storage tank 6 falls onto the belt scale 7 for weighing, ensuring that the amount of raw material added each time is accurate and achieving precise proportioning of rubber compound raw material.

[0035] During the mixing process, if it is necessary to adjust the raw materials in different storage tanks, motor 73 can be started. Its output shaft drives the drive gear 74 to rotate. Since the drive gear 74 meshes with the gear plate 72, the gear plate 72 and the two belt scales 7 are driven to adjust their angles based on the hollow shaft 3. This makes it easy to adjust the belt scales 7 to the bottom of the corresponding vertical pipe, so as to receive the materials discharged from different vertical pipes, further improving the flexibility and accuracy of the mixing.

[0036] The above provides a detailed description of the precise proportioning and metering equipment for rubber compound raw materials provided by this utility model. Specific embodiments have been used to illustrate the principle and implementation of this utility model. The descriptions of these embodiments are merely for the purpose of helping to understand the method and core idea of ​​this utility model. It should be noted that those skilled in the art can make various improvements and modifications to this utility model without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A precise proportioning and metering device for rubber compound raw materials, characterized in that, It includes a mixing tank (1), a mounting box (2), a partition (21), multiple liquid storage tanks (5), multiple material storage tanks (6), a quantitative conveying assembly, an adjusting assembly, a quantitative pump (53), a hollow shaft (3), a drive assembly, a mixing assembly, and a discharge pipe (11); The mounting box (2) and the discharge pipe (11) are fixedly installed on the top and bottom of the mixing tank (1), respectively. Both the mounting box (2) and the mixing tank (1) are cylindrical. The mounting box (2) and the mixing tank (1) have circular openings on their adjacent sides to maintain communication. The partition plate (21) is fixedly installed on the inner wall of the mounting box (2). The hollow shaft (3) is rotatably installed on the mounting box (2) and the mixing tank (1) and has multiple hollow rods (31) radially fixed inside the mixing tank (1). The hollow rods (31) are connected to the hollow shaft (3) and have multiple through holes. The drive assembly is set on the partition plate (21) and connected to the hollow shaft (3). Multiple storage tanks (6) and multiple liquid storage tanks (5) are fixedly installed on the partition plate (21) and the mounting box (2), respectively. Based on the hollow shaft (3) as the center, the metering pump (53) is fixedly installed on the top of the mounting box (2), and the outlet of the metering pump (53) is sealed and rotatably connected to the hollow shaft (3). Multiple storage tanks (5) are fixedly installed with conveying pipes (51) connected to the inlet of the metering pump (53), and multiple conveying pipes (51) are fixedly installed with control valve one (52). The metering conveying component is set on the bottom inner wall of the mounting box (2) and is adapted to the circular opening. Multiple storage tanks (6) are fixedly installed with vertical pipes adapted to the metering conveying component and fixedly installed with control valve two (61). The adjusting component is set on the partition (21) and connected to the metering conveying component. The stirring component is set on the inner side wall of the stirring box (1) and is staggered with multiple hollow rods (31).

2. The precise proportioning and metering equipment for compound rubber raw materials according to claim 1, characterized in that: The quantitative conveying assembly includes two belt scales (7), two support rings (71) and four guide blocks. Two coaxial support rings (71) are fixedly installed on the bottom inner wall of the mounting box (2). Both support rings (71) have a ring-shaped guide groove. Two guide blocks are slidably installed in both guide grooves. The same belt scale (7) is fixedly installed on the two guide blocks located on the same side. The two belt scales (7) are symmetrically arranged based on the hollow shaft (3) as the center.

3. The precise proportioning and metering equipment for compound rubber raw materials according to claim 1, characterized in that: The adjustment assembly includes a second motor (73), a drive gear (74), and a gear disc (72). The top of the two belt scales (7) is fixedly mounted with the same gear disc (72) centered on the hollow shaft (3). The second motor (73) is fixedly mounted on the partition plate (21). The drive gear (74) is fixedly sleeved on the output shaft of the second motor (73). The drive gear (74) meshes with the gear disc (72).

4. The precise proportioning and metering equipment for compound rubber raw materials according to claim 1, characterized in that: The drive assembly includes a motor (4), a drive gear (41), and a driven gear (42). The motor (4) is fixedly mounted on the partition (21). The drive gear (41) is fixedly sleeved on the output shaft of the motor (4). The driven gear (42) is fixedly sleeved on the hollow shaft (3). The drive gear (41) and the driven gear (42) mesh with each other.

5. The precise proportioning and metering equipment for compound rubber raw materials according to claim 1, characterized in that: The stirring assembly includes multiple stirring rods (32), and multiple stirring rods (32) are fixedly installed on the inner side wall of the stirring box (1). The multiple stirring rods (32) and multiple hollow rods (31) are arranged in an alternating manner.

6. The precise proportioning and metering equipment for compound rubber raw materials according to claim 1, characterized in that: Multiple storage tanks (6) are fixedly equipped with feed pipes that extend to the top of the mounting box (2).

7. The precise proportioning and metering equipment for compound rubber raw materials according to claim 1, characterized in that: Both control valve one (52) and control valve two (61) are electrically controlled valves.

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