Hydraulic device of roller press

By adjusting the gap of the roller pressing mechanism laterally and using a multi-filter design, the problems of easy damage to the hydraulic mechanism and hydraulic oil blockage in the roller press are solved, thereby improving the service life and production efficiency of the roller press.

CN223570824UActive Publication Date: 2025-11-21NINGHAI QIANGJIAO CONCH CEMENT CO LTD
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Patent Information

Application Number
CN202422612841.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-11-21
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

Existing roller presses mostly use hydraulic mechanisms to vertically control the pressure rollers, which results in the hydraulic mechanism being subjected to large reverse forces during the roller pressing process, making it prone to damage. At the same time, the upper pressure roller is prone to deviation when crushing hard materials, and the hydraulic oil cannot be effectively filtered after long-term use, leading to oil pipe blockage.

Method used

The design adopts a transverse adjustment roller gap adjustment mechanism. The roller gap is adjusted by oil cylinder B and extrusion seat. Slider A and positioning roller are set for positioning and limiting. Filter screen and filter residue screen are set in oil tank for multiple filtration.

Benefits of technology

The reverse force of the hydraulic mechanism was reduced, the crushing effect of the upper pressure roller was improved, the service life of the hydraulic mechanism was extended, and the cleanliness of the hydraulic oil was ensured, thus guaranteeing the normal production of the roller press.

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Abstract

According to the technical scheme, the hydraulic device comprises a compression roller machine table, a lower compression roller and an upper compression roller, fixing frames are installed on the portions, close to the front surface and the rear surface, of the top of the compression roller machine table, a sliding groove is formed in the middle of the fixing frames on the two sides, a sliding block B is installed in the middle of the interior of the sliding groove, and the upper compression roller is installed between the sliding blocks B on the two sides. Lower pressing rollers are installed on the portions, close to the bottoms, of the fixing frames on the two sides, lifting bases are installed on the opposite sides of sliding blocks B on the two sides, equipment frames are installed on one sides of the fixing frames on the two sides, oil cylinders B are installed on the two sides of the tops of the equipment frames through installation frames, and extrusion bases are installed on output shafts of the oil cylinders B. The hydraulic device of the roller press solves the problems that the existing roller press mostly adopts a hydraulic mechanism to vertically control a compression roller so as to adjust a rolling gap, and the hydraulic mechanism is easy to damage due to larger reverse acting force in the rolling process, reduces the reverse acting force on the hydraulic mechanism, and prolongs the service life of the hydraulic mechanism.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cement production technical field, concretely is a kind of roller press hydraulic device. BACKGROUND

[0002] Cement is a common building material, for the production of concrete, block, brick and other building materials, in the process of cement production, the proportion of raw materials, calcination temperature, grinding fineness and other parameters need to be strictly controlled to ensure the quality of cement products. The quality of cement products directly affects the quality of building materials and the service life of the project, so cement production enterprises need to strictly comply with relevant production standards and quality control requirements. In the process of cement production, roller press is used to break the raw materials.

[0003] The existing roller press adopts hydraulic mechanism to control the pressure roller vertically, thereby adjusting the roller pressing gap. In the roller pressing process, the hydraulic mechanism is subjected to a large reverse force, which is easily damaged. Therefore, we propose a roller press hydraulic device. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of roller press hydraulic device, achieve the effect of adjusting the gap of roller pressing mechanism horizontally, to solve the problem that the existing roller press adopts hydraulic mechanism to control the pressure roller vertically, thereby adjusting the roller pressing gap. In the roller pressing process, the hydraulic mechanism is subjected to a large reverse force, which is easily damaged.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of roller press hydraulic device, including pressure roller machine table, lower pressure roller and upper pressure roller, wherein the top of the pressure roller machine table is installed with fixed frame near front and back surface, the middle of the fixed frame of both sides is equipped with sliding slot, the middle of the sliding slot is installed with sliding block B, the middle of the sliding block B of both sides is installed with upper pressure roller, the lower pressure roller is installed near the bottom of the fixed frame of both sides, the lifting seat is installed on the opposite side of the sliding block B of both sides, the equipment frame is installed on one side of the fixed frame of both sides, the oil cylinder B is installed on both sides of the top of the equipment frame through mounting bracket, and the extrusion seat is installed on the output shaft of the oil cylinder B.

[0006] Preferably, sliding block A is installed in the sliding slot of both sides near the top, positioning pressure roller is installed at the gap position of the sliding block A of both sides, and the positioning pressure roller is arranged on the top of the upper pressure roller.

[0007] Preferably, oil cylinder A is installed on the top of the fixed frame of both sides, and the output shaft of the oil cylinder A is connected to the top of the sliding block A.

[0008] Preferably, support frame is installed in the middle of the front surface of the pressure roller machine table, oil tank is installed on the top of the support frame, oil pump A is installed on the top of the oil tank, and oil pump B is installed on the side of the oil tank top near oil pump A.

[0009] Preferably, the oil pump A output end is connected to the oil cylinder A through the conveying oil pipe B, and one side of the oil cylinder A is connected to the inside of the oil tank through the return oil pipe B.

[0010] Preferably, the oil pump B output end is connected to the oil cylinder B through the conveying oil pipe A, and one side of the oil cylinder B is connected to the inside of the oil tank through the return oil pipe A.

[0011] Preferably, the oil tank top is provided with filter screens on both sides, the filter screens are provided with collecting grooves on one side close to the bottom, and filter residue screens are arranged in the middle of the inside of the collecting grooves.

[0012] Preferably, the filter screens are provided with pressing plates on the top, the oil tank top is provided with a discharging groove at the bottom of the pressing plate, magnet pieces A are arranged on both sides of the bottom of the pressing plate, magnet pieces B are arranged on the oil tank top at the positions of the magnet pieces A, and the magnet pieces A and the magnet pieces B are adsorbed.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The oil cylinder B, the extrusion seat and the lifting seat are arranged, the gap between the roller pressing mechanisms is adjusted horizontally, the problem that the existing roller press is provided with a hydraulic mechanism for vertically controlling the compression roller and the compression roller gap is adjusted, the reverse action on the hydraulic mechanism is large in the roller pressing process, and the hydraulic mechanism is easily damaged is solved, the reverse action on the hydraulic mechanism is reduced, and the service life of the hydraulic mechanism is prolonged.

[0015] 2、The oil cylinder A, the sliding block A and the positioning compression roller are arranged, the upper compression roller is positioned and limited, the problem that the existing upper compression roller is fixed in the roller pressing force, the upper compression roller is easily deviated when hard raw materials are crushed, and the roller pressing and crushing effect of the raw materials is affected is solved, the crushing effect of the upper compression roller is improved, and the normal production of cement is ensured.

[0016] 3、The filter screen, the collecting groove and the filter residue screen are arranged, the hydraulic oil is filtered multiple times, the problem that the existing hydraulic oil of the hydraulic mechanism cannot be circularly filtered after long-time use, the oil pipe is easily blocked, and the normal use of the hydraulic mechanism is affected is solved, the cleanliness of the hydraulic oil is improved, and the normal use of the hydraulic mechanism is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view structural schematic diagram of the utility model;

[0018] Figure 2 It is Figure 1 It is an enlarged structural schematic diagram of the middle A;

[0019] Figure 3The utility model discloses a side view structure schematic diagram shows that the utility model discloses a cross section structure schematic diagram of oil tank.

[0020] Figure 4 The utility model discloses a cross section structure schematic diagram of oil tank.

[0021] Figure 5 For Figure 4 The utility model discloses a side view structure schematic diagram shows that the utility model discloses a cross section structure schematic diagram of oil tank.

[0022] Fig. 1, the pressure roller machine platform is 2, the lower pressure roller is 3, the conveying oil pipe A is 4, the upper pressure roller is 5, the fixed frame is 6, the conveying oil pipe B is 7, the positioning pressure roller is 8, the backflow oil pipe A is 9, the oil tank is 10, the oil pump A is 11, the support frame is 12, the oil pump B is 13, the oil cylinder A is 14, the sliding block A is 15, the sliding block B is 16, the lifting seat is 17, the extrusion seat is 18, the equipment frame is 19, the mounting frame is 20, the oil cylinder B is 21, the sliding groove is 22, the collection groove is 23, the filter screen is 24, the filter residue screen is 25, the pressing plate is 26, the magnet piece A is 27, the discharge chute is 28, the magnet piece B is 29, the backflow oil pipe B. Specific implementation

[0023] The technical scheme of the utility model will be further described below in combination with the drawings and specific embodiments.

[0024] Embodiment one

[0025] As Figures 1-3 To realize the above object, the utility model provides the following technical scheme: a roll press hydraulic device, including pressure roller machine platform 1, lower pressure roller 2 and upper pressure roller 4, the fixed frame 5 is installed to pressure roller machine platform 1 top near front and back surface, the sliding groove 21 is equipped in both sides fixed frame 5 middle, the sliding block B 15 is installed in sliding groove 21 inside middle, the upper pressure roller 4 is installed in both sides sliding block B 15 middle, the lower pressure roller 2 is installed to both sides fixed frame 5 near bottom, the lifting seat 16 is installed to both sides sliding block B 15 relative one side, the equipment frame 18 is installed to both sides fixed frame 5 one side, the oil cylinder B 20 is installed to equipment frame 18 top both sides through mounting frame 19, the extrusion seat 17 is installed to oil cylinder B 20 output shaft, the sliding block A 14 is installed to both sides sliding groove 21 inside near top, the positioning pressure roller 7 is installed to both sides sliding block A 14 gap position, the positioning pressure roller 7 is set to upper pressure roller 4 top, and the upper pressure roller 4 is extruded through the positioning pressure roller 7 of setting, so as to guarantee the crushing effect of upper pressure roller 4.

[0026] As Figure 1As shown, the top of the two side fixing frame 5 is provided with oil cylinder A13, the output shaft of the two side oil cylinder A13 is connected to the top of the sliding block A14, the front surface of the press roll machine table 1 is provided with a support frame 11, the top of the support frame 11 is provided with an oil tank 9, the top of the oil tank 9 is provided with an oil pump A10, the top of the oil tank 9 is provided with an oil pump B12 near the oil pump A10, the output end of the oil pump A10 is connected to the oil cylinder A13 through the oil conveying pipe B6, one side of the oil cylinder A13 is connected to the inside of the oil tank 9 through the backflow oil pipe B29, and the output end of the oil pump B12 is connected to the oil cylinder B20 through the oil conveying pipe A3. One side of the oil cylinder B20 is connected to the inside of the oil tank 9 through the backflow oil pipe A8.

[0027] The working principle of the hydraulic device of the roll press based on example 1 is that when it is necessary to adjust the gap between the upper press roll 4 and the lower press roll 2 after the roll press is installed, the oil pump A10 starts the oil cylinder A13, the sliding block A14 is driven to move upwards by the oil cylinder A13, so that the positioning press roll 7 is driven to move upwards, then the oil pump B12 starts the oil cylinder B20, the extrusion seat 17 is driven to move sideways by the oil cylinder B20, the lifting seat 16 is driven to move by the extrusion seat 17, so that the position of the upper press roll 4 is adjusted, and after the completion, the sliding block A14 is moved by the oil cylinder A13, so that the positioning press roll 7 is moved to the top of the upper press roll 4. The raw materials can be crushed by the upper press roll 4 and the lower press roll 2, and the working process of the device is completed.

[0028] Example two

[0029] As shown in Figure 4 and Figure 5 The hydraulic device of the roll press provided by the utility model further comprises filter screens 23 installed on the top of the oil tank 9 on both sides, a collection groove 22 installed on one side of the filter screen 23 close to the bottom, a filter residue screen 24 arranged in the middle of the inside of the collection groove 22, a pressing plate 25 installed on the top of the filter screen 23, a discharge groove 27 arranged on the bottom of the pressing plate 25 on the top of the oil tank 9, magnet pieces A 26 installed on both sides of the bottom of the pressing plate 25, magnet pieces B 28 installed on the top of the oil tank 9 at the positions of the magnet pieces A 26, and the magnet pieces A 26 and the magnet pieces B 28 are adsorbed to each other, so that the filter screen 23 is conveniently fixed.

[0030] In the embodiment, when in use, the backflow hydraulic oil is filtered by the filter screen 23, so that the oil pump A10 and the oil pump B12 are conveniently operated, and when it is necessary to clean the filter screen 23, the pressing plate 25 is pulled upwards, the pressing plate 25 is separated from the oil tank 9, so that the filter screen 23 is driven to move upwards, and then the hydraulic oil residues are fished up by the collection groove 22 and the filter residue screen 24, so that the hydraulic oil residues are discharged.

[0031] The above specific embodiments are only several preferred embodiments of the present application, and based on the technical scheme of the present application and the related enlightenment of the above embodiments, the person skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. A hydraulic device for a roll press, comprising a press table (1), a lower press roll (2) and an upper press roll (4), characterized in that: The fixed frame (5) is arranged on the top of the pressing roller machine (1) near the front and rear surfaces, the sliding groove (21) is arranged in the middle of the fixed frame (5), the sliding block B (15) is arranged in the middle of the sliding groove (21), the upper pressing roller (4) is arranged in the middle of the sliding block B (15), the lower pressing roller (2) is arranged near the bottom of the fixed frame (5), the lifting seat (16) is arranged on the opposite side of the sliding block B (15), the equipment frame (18) is arranged on one side of the fixed frame (5), the oil cylinder B (20) is arranged on the top of the equipment frame (18) through the mounting frame (19), and the extrusion seat (17) is arranged on the output shaft of the oil cylinder B (20).

2. A hydraulic device for a roll press according to claim 1, characterized in that: The sliding block A (14) is arranged in the sliding groove (21) near the top, the positioning pressing roller (7) is arranged at the gap position of the sliding block A (14), and the positioning pressing roller (7) is arranged on the top of the upper pressing roller (4).

3. A hydraulic device for a roll press according to claim 1, characterized in that: The oil cylinder A (13) is arranged on the top of the fixed frame (5), and the output shaft of the oil cylinder A (13) is connected to the top of the sliding block A (14).

4. A hydraulic device for a roll press according to claim 1, characterized in that: The support frame (11) is arranged on the front surface of the pressing roller machine (1), the oil tank (9) is arranged on the top of the support frame (11), the oil pump A (10) is arranged on the top of the oil tank (9), and the oil pump B (12) is arranged on the top of the oil tank (9) near one side of the oil pump A (10).

5. A hydraulic device for a roll press according to claim 4, characterized in that: The output end of the oil pump A (10) is connected to the oil cylinder A (13) through the conveying oil pipe B (6), one side of the oil cylinder A (13) is connected to the inside of the oil tank (9) through the backflow oil pipe B (29).

6. A hydraulic system for a roll press as defined in claim 4, wherein: The output end of the oil pump B (12) is connected to the oil cylinder B (20) through the conveying oil pipe A (3), and one side of the oil cylinder B (20) is connected to the inside of the oil tank (9) through the backflow oil pipe A (8).

7. A hydraulic system for a roll press as defined in claim 4, wherein: The filter screen (23) is arranged on the top of the oil tank (9), the collecting groove (22) is arranged on one side of the filter screen (23) near the bottom, and the filter residue screen (24) is arranged in the middle of the inside of the collecting groove (22).

8. A hydraulic arrangement for a roll press according to claim 7, characterized in that: The pressing plate (25) is arranged on the top of the filter screen (23), the discharge groove (27) is arranged on the bottom of the pressing plate (25), the magnet piece A (26) is arranged on the bottom of the pressing plate (25) on both sides, the magnet piece B (28) is arranged on the top of the oil tank (9) at the position of the magnet piece A (26), and the magnet piece A (26) and the magnet piece B (28) are adsorbed.