Hydraulic system of roller press

Abstract

The utility model discloses a roller press hydraulic system which comprises a positioning plate which is of a rectangular plate body structure, guide rods are symmetrically connected to the two sides of the positioning plate in a sliding mode, one end of each guide rod is connected with a roller rod pushing plate, the roller rod pushing plate is attached to one side of a roller rod of a roller press, and the roller rod pushing plate and the positioning plate form a main body structure of hydraulic equipment. According to the hydraulic system of the roller press, the telescopic columns symmetrically arranged on one side of the roller rod pushing plate are connected with the telescopic pipes, and hydraulic liquid collected in the telescopic pipes synchronously expands to push rod bodies of the telescopic columns, so that the rod bodies of the telescopic columns push the roller rod pushing plate to move close to a movable roller of the roller press; the movable roller is close to the fixed roller to conduct powder pressing operation on raw materials of a cement plant, the raw materials are output and discharged through a unified filter pump, and it can be ensured that a hydraulic system outputs stable pressure. Therefore, the working effect of the roller press can be improved, materials can be crushed and compacted more uniformly, and the product quality is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of roller press equipment, in particular to a roller press hydraulic system. Background Art

[0002] Roller press is widely used in cement industry production. Roller press is an important equipment used to crush and compact various materials. Roller press is designed according to the principle of bed grinding. It adopts high pressure, full speed, full material and bed crushing. Roller press consists of two extrusion rollers rotating synchronously in opposite directions, one is a fixed roller and the other is a movable roller. The material is transferred to the ground material layer through the diameter of the double rollers. When in use, the material is fed from above the two rollers and is continuously brought into the roller space by the extrusion rollers. After being subjected to a certain high pressure, it becomes a dense cake and is discharged from the bottom of the machine. The discharged cake contains a certain proportion of fine-grained finished products. There are some problems with the traditional hydraulic device of the roller press, which can easily affect the working efficiency and product quality of the roller press.

[0003] During the operation of traditional hydraulic equipment located in the roller press, the pressure of the hydraulic system fluctuates greatly, affecting the working effect and product quality of the roller press. The uneven pressure may cause uneven material crushing and inconsistent compaction degree. At the same time, due to the complexity of the hydraulic system, the maintenance and repair of the equipment are relatively difficult. Utility Model Content

[0004] The purpose of the present utility model is to provide a roller press hydraulic system to solve the problems raised in the above background technology that the pressure fluctuation of the hydraulic system is large, affecting the working effect and product quality of the roller press, and the uneven pressure may cause uneven material crushing and inconsistent compaction degree. At the same time, due to the complexity of the hydraulic system, the maintenance and repair of the equipment are difficult.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a hydraulic system for a roller press, comprising a positioning plate, which is configured as a rectangular plate structure, and guide rods are symmetrically and slidably connected to both sides of the positioning plate, one end of the guide rod is connected to a roller rod pushing plate, and the roller rod pushing plate is attached to one side of the roller rod of the roller press, and the roller rod pushing plate and the positioning plate constitute the main structure of the hydraulic equipment;

[0006] An auxiliary spring is provided between the positioning plate and the roller rod pushing plate, and the auxiliary spring surrounds the outer wall of the guide rod. Telescopic columns are symmetrically provided inside the positioning plate, and a support column is provided at the output end of the telescopic column.

[0007] A positioning box is installed inside the positioning plate. A filter pump is provided inside the positioning box, and the feed pipe at the bottom end of the filter pump is connected to a storage tank. The storage tank is located at the bottom end of the positioning plate, and recovery pipes are symmetrically provided on both sides of the storage tank. The recovery pipes are connected to a hydraulic component installed inside the positioning plate, and are used to cooperate with the telescopic column to push the roller rod to push the plate and fit the roller rod for powder pressing operations in the cement plant.

[0008] The above technical solution facilitates the realization of a stable and balanced hydraulic pushing structure composed of two pipelines.

[0009] Preferably, a cylindrical opening structure mounted on the receiving tank is provided inside the positioning plate, and the receiving tank is mounted in a vertical direction to the filter pump.

[0010] By adopting the above technical solution, the practicality of the device is improved by connecting the filter pump to the storage tank.

[0011] Preferably, the support columns are symmetrically arranged on the surface of the roller rod pushing plate, and the roller rod pushing plate and the guide rod are arranged perpendicularly.

[0012] By adopting the above technical solution, the support column and the roller rod pushing plate are arranged in coordination, which facilitates the installation of the pushing device.

[0013] Preferably, the telescopic column is a two-section sliding tubular structure, and the telescopic column passes through the positioning plate.

[0014] By adopting the above technical solution, a two-section structure of the telescopic column is set up to provide an installation structure for the internal telescopic tube.

[0015] Preferably, the hydraulic assembly includes:

[0016] A telescopic tube is installed between the two rods of the telescopic column, and one end of the telescopic tube passes through the surface of the telescopic column;

[0017] An input pipe is installed on one side of the telescopic pipe and is configured as a U-shaped pipe structure;

[0018] The rehydration filter tube is installed between the input tubes.

[0019] The above technical solution is adopted to ensure that the hydraulic system outputs stable pressure through the hydraulic component arrangement.

[0020] Preferably, the input pipe and the recovery pipe are arranged in a vertical direction, and one end of the recovery pipe is connected to the telescopic pipe.

[0021] By adopting the above technical solution, the input pipe and the recovery pipe are separated, which facilitates the reduction of impurities in the hydraulic liquid.

[0022] Preferably, a cylindrical filter element structure is provided inside the fluid infusion filter tube, and the center of the fluid infusion filter tube is aligned with the center line of the input tube.

[0023] By adopting the above technical solution, the liquid infusion filter tube is located at the center line of the input tube, which facilitates the liquid to be evenly pushed into the filtration process.

[0024] Compared with the prior art, the beneficial effects of the present invention are: the hydraulic system of the roller press:

[0025] 1. A telescopic column symmetrically positioned on one side of the roller push plate is connected to a telescopic tube. Hydraulic fluid collected in the telescopic tube synchronously expands and pushes the rod of the telescopic column, causing the rod to move closer to the movable roller of the roller press. This moves the movable roller closer to the fixed roller to compact the raw materials for the cement plant. The pressure is then discharged through a unified filter pump, ensuring stable output from the hydraulic system. This helps improve the performance of the roller press, resulting in more uniform material crushing and compaction, and more stable product quality.

[0026] 2. The receiving tank is connected to the filter pump, and the input pipe and the recovery pipe are staggered to make the flow of the liquid inside the telescopic tube one-way, reducing the repeated sliding in the pipeline and the entry of solid matter. A liquid replenishment filter pipe is set inside the input pipe to further filter the hydraulic fluid entering the telescopic tube. The pipeline structure is simple and easy to maintain and repair, which reduces maintenance costs. The stable pressure output and rapid response capability enable the roller press to work more efficiently and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the overall external structure of the utility model;

[0028] Figure 2 This is a schematic diagram of the three-dimensional structure of the installation position of the positioning plate and the roller rod pushing plate of the utility model;

[0029] Figure 3 This is a schematic diagram of the overall internal three-dimensional structure of the utility model;

[0030] Figure 4 This is a schematic diagram of the overall internal side view of the three-dimensional structure of the utility model;

[0031] Figure 5 This is a schematic diagram of the overall internal three-dimensional structure of the utility model;

[0032] Figure 6 This is a schematic diagram of the hydraulic component structure of the utility model.

[0033] In the figure: 1. Positioning plate; 2. Guide rod; 3. Auxiliary spring; 4. Roller push plate; 5. Support column; 6. Telescopic column; 7. Telescopic tube; 8. Input tube; 9. Liquid replenishment filter tube; 10. Filter pump; 11. Positioning box; 12. Storage tank; 13. Recovery tube. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] See also Figure 1-6 The utility model provides a technical solution: a roller press hydraulic system, including a positioning plate 1, a guide rod 2, an auxiliary spring 3, a roller rod pushing plate 4, a support column 5, a telescopic column 6, a telescopic tube 7, an input tube 8, a liquid replenishing filter tube 9, a filter pump 10, a positioning box 11, a storage tank 12 and a recovery tube 13;

[0036] Among them, the positioning plate 1 is set as a rectangular plate structure, and the guide rods 2 are symmetrically slidably connected on both sides of the positioning plate 1. One end of the guide rod 2 is connected to the roller rod pushing plate 4, and the roller rod pushing plate 4 is attached to one side of the roller rod of the roller press. The roller rod pushing plate 4 and the positioning plate 1 constitute the main structure of the hydraulic equipment;

[0037] The positioning plate 1 is provided with a cylindrical opening structure installed with the storage tank 12, and the storage tank 12 is installed in a vertical direction with the filter pump 10;

[0038] An auxiliary spring 3 is provided between the positioning plate 1 and the roller push plate 4, and the auxiliary spring 3 surrounds the outer wall of the guide rod 2. A telescopic column 6 is symmetrically provided inside the positioning plate 1, and a support column 5 is provided at the output end of the telescopic column 6. The support column 5 is symmetrically provided on the surface of the roller push plate 4, and the roller push plate 4 is perpendicular to the guide rod 2. The telescopic column 6 is a two-stage sliding tube structure, and the telescopic column 6 passes through the positioning plate 1;

[0039] A positioning box 11 is installed inside the positioning plate 1. A filter pump 10 is provided inside the positioning box 11, and a feed pipe at the bottom end of the filter pump 10 is connected to a storage tank 12. The storage tank 12 is located at the bottom end of the positioning plate 1, and recovery pipes 13 are symmetrically provided on both sides of the storage tank 12. The recovery pipes 13 are connected to a hydraulic component installed inside the positioning plate 1, and are used to cooperate with the telescopic column 6 to push the roller rod to push the plate 4 to fit the roller rod for cement powder pressing operation;

[0040] Combined with the drawings in the specification Figure 1-6As shown, the positioning plate 1 and the roller push plate 4 are installed in the roller press, so that the roller push plate 4 is set on one side of the movable roller, and the guide rod 2 arranged between the positioning plate 1 and the roller push plate 4 cooperates with the auxiliary spring 3. As the guide rod 2 slides through the interior of the positioning plate 1, it is convenient for the auxiliary roller push plate 4 to push the cement plant powder to be squeezed. The support columns 5 symmetrically arranged on one side of the roller push plate 4 assist the telescopic column 6 in telescopic movement, wherein the telescopic column 6 is a two-stage slidingly connected pipe body, and the positioning box 11 arranged inside the roller push plate 4 provides a stable installation space for the filter pump 10. The storage tank 12 arranged at the bottom end of the filter pump 10 is used for the structure of recovering hydraulic liquid, wherein the liquid recovered by the storage tank 12 flows into the recovery pipe 13, as shown in FIG. Figure 1-4 As shown, the cylindrical slot inside the positioning plate 1 provides installation space for the storage tank 12, as shown in FIG. Figure 1-4 As shown;

[0041] The hydraulic components include:

[0042] The telescopic tube 7 is installed between the two rods of the telescopic column 6, and one end of the telescopic tube 7 passes through the surface of the telescopic column 6;

[0043] The input pipe 8 is installed on one side of the telescopic pipe 7 and is configured as a U-shaped pipe structure. The input pipe 8 and the recovery pipe 13 are arranged in a perpendicular direction, and one end of the recovery pipe 13 is connected to the telescopic pipe 7;

[0044] The infusion filter tube 9 is installed between the inlet tubes 8. A cylindrical filter structure is provided inside the infusion filter tube 9, and the center of the infusion filter tube 9 is aligned with the center line of the inlet tube 8.

[0045] Combined with the drawings in the specification Figure 1-6 As shown, the telescopic tube 7 arranged inside the telescopic column 6 is a telescopic bellows structure, and the hydraulic fluid inside the telescopic tube 7 is discharged from the output end of the filter pump 10 by the input pipe 8. The liquid replenishment filter tube 9 arranged in the middle section of the input pipe 8 is composed of a T-shaped pipe and a filter element. When in use, it is connected to an external pipe and is used to replenish the liquid when the external pipe is not as good as the external liquid, reducing the excessive output state of the filter pump 10. The end where the input pipe 8 and the recovery pipe 13 are connected to the telescopic tube 7 is provided with a solenoid valve for controlling the flow of the liquid and connecting to the control system of the roller press to maintain stable output so that the telescopic column 6 can push the roller rod pushing plate 4, which helps to improve the working effect of the roller press, make the material crushing and compaction more uniform, and make the product quality more stable.

[0046] Working principle: When using the hydraulic system of the roller press, the positioning plate 1 and the roller push plate 4 are installed on one side of the movable roller of the roller press. The roller push plate 4 pushes the roller to move to realize the extrusion and crushing of the materials in the cement plant. The telescopic tube 7 and the recovery pipe 13 are separately arranged. The recovery pipe 13 is used to recover the liquid in the telescopic tube 7. The filter pump 10 inside the positioning plate 1 cooperates with the storage tank 12 to provide hydraulic push for the telescopic tube 7 inside the two telescopic columns 6. The filter pump 10 is used to evenly divert the two input pipes 8, so that the two telescopic tubes 7 synchronously and evenly push the telescopic column 6 to assist the roller in performing powder pressing operations, thereby increasing the overall practicality.

[0047] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A roller press hydraulic system comprising: The positioning plate (1) is configured as a rectangular plate structure, and guide rods (2) are symmetrically and slidingly connected on both sides of the positioning plate (1), one end of the guide rod (2) is connected to a roller rod pushing plate (4), and the roller rod pushing plate (4) is attached to one side of the roller rod of the roller press, and the roller rod pushing plate (4) and the positioning plate (1) constitute the main structure of the hydraulic equipment; The invention is characterized in that an auxiliary spring (3) is provided between the positioning plate (1) and the roller rod pushing plate (4), and the auxiliary spring (3) surrounds the outer wall surface of the guide rod (2); a telescopic column (6) is symmetrically provided inside the positioning plate (1), and a support column (5) is provided at the output end of the telescopic column (6); A positioning box (11) is installed inside the positioning plate (1). A filter pump (10) is provided inside the positioning box (11), and a feed pipe at the bottom end of the filter pump (10) is connected to a storage tank (12). The storage tank (12) is located at the bottom end inside the positioning plate (1), and recovery pipes (13) are symmetrically provided on both sides of the storage tank (12). The recovery pipes (13) are connected to a hydraulic assembly installed inside the positioning plate (1) and are used to cooperate with a telescopic column (6) to push a roller rod to push a plate (4) to fit a roller rod for cement powder pressing operation.

2. A roller press hydraulic system according to claim 1, characterized in that: A cylindrical opening structure mounted on the receiving tank (12) is provided inside the positioning plate (1), and the receiving tank (12) and the filter pump (10) are mounted in a vertical direction.

3. The roller press hydraulic system according to claim 1, characterized in that: The support columns (5) are symmetrically arranged on the surface of the roller rod pushing plate (4), and the roller rod pushing plate (4) and the guide rod (2) are arranged vertically.

4. A roller press hydraulic system according to claim 1, characterized in that: The telescopic column (6) is a two-stage sliding tubular structure, and the telescopic column (6) passes through the positioning plate (1).

5. The roller press hydraulic system according to claim 1, characterized in that: The hydraulic assembly comprises: A telescopic tube (7) is installed between the two rods of the telescopic column (6), and one end of the telescopic tube (7) passes through the surface of the telescopic column (6); An input pipe (8) is installed on one side of the telescopic pipe (7), and the input pipe (8) is configured as a U-shaped pipe structure; A liquid infusion filter tube (9) is installed between the input tubes (8).

6. A roller press hydraulic system according to claim 5, characterized in that: The input pipe (8) and the recovery pipe (13) are arranged in a vertical direction, and one end of the recovery pipe (13) is connected to the telescopic pipe (7).

7. The roller press hydraulic system according to claim 5, characterized in that: A cylindrical filter core structure is provided inside the fluid infusion filter tube (9), and the center of the fluid infusion filter tube (9) is aligned with the center line of the input tube (8).

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