High-pressure double-roller machine

Abstract

The utility model discloses a high-pressure double-roller machine which comprises a bottom shell, a supporting arm is integrally formed on the outer wall of one side of the bottom shell, a top shell is hinged to the top of the supporting arm, first bearing seats are fixed to the outer walls of the two sides of the bottom shell respectively, a driving roller is connected between the two first bearing seats through bearings, and second bearing seats are fixed to the outer walls of the two sides of the top shell respectively. A driven roller is connected between the two second bearing seats through bearings, an oil cylinder is hinged between the top shell and the bottom shell, the oil cylinder is located on the side, away from the supporting arms, of the driving roller, and a driving mechanism is arranged on one side of the driving roller. Materials are efficiently crushed through opposite rotation of the driving roller and the driven roller, meanwhile, the pressure between the driving roller and the driven roller can be increased through the oil cylinder, and the pressure between the driven roller and the driving roller is larger than the pressure provided by the oil cylinder, so that the roller crusher can obtain extremely high pressure when the materials are crushed; and therefore, the particle size of the double-roller machine is finer when the materials are crushed, and the application range of the double-roller machine is enlarged.

Description

Technical Field

[0001] The utility model relates to the technical field of double roller machines, in particular to a high-pressure double roller machine. Background Art

[0002] The double-roller crusher is a device for crushing materials. It uses a pair of rollers to crush materials by relative squeezing. It is widely used in mining, metallurgy, building materials and other industries.

[0003] Chinese Patent No. 201922169577.6 discloses a new type of high-efficiency double-roller machine, including a double-roller machine assembly, a screening assembly, a bottom plate and a connecting assembly; bottom plate: the bottom plate includes a supporting bottom plate, and the upper surface of the supporting bottom plate is provided with two sliding tracks; connecting assembly: the number of the connecting assemblies is two, and the two connecting assemblies are respectively arranged on the front and rear sides of the upper surface of the supporting bottom plate, and the connecting assembly includes an L-shaped plate, and a connecting seat is provided in the middle of the opposite sides of the two L-shaped plates. When the double-roller machine in the above patent crushes the material, the pressure between the two pairs of rollers cannot be adjusted, resulting in the inability of the double-roller machine to crush materials of different particle sizes, thereby reducing the scope of use of the double-roller machine. Therefore, it is urgent to design a high-pressure double-roller machine to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a high-pressure roller machine to solve the above-mentioned shortcomings in the prior art.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A high-pressure roller machine comprises a bottom shell, an outer wall of one side of the bottom shell is integrally formed with a support arm, the top of the support arm is hinged with a top shell, the outer walls of both sides of the bottom shell are fixed with bearing seats 1, an active roller is connected between the two bearing seats 1 through bearings, the outer walls of both sides of the top shell are fixed with bearing seats 2, a driven roller is connected between the two bearing seats 2 through bearings, an oil cylinder is hinged between the top shell and the bottom shell, the oil cylinder is located on the side of the active roller away from the support arm, and a driving mechanism is provided on one side of the active roller.

[0007] Furthermore, the driving mechanism includes a motor fixed to the bottom shell, a reducer is arranged between the motor and the active roller, and a coupling is connected between the output shaft of the reducer and the active roller.

[0008] Furthermore, the reducer is fixed to the bottom shell, and the output shaft of the motor is fixed to the input shaft of the reducer.

[0009] Furthermore, an oil storage cavity is provided inside the bearing seat 1, and a sealing ring is provided inside the bearing seat 1. The sealing ring is sleeved on the outside of the connecting shaft of the active roller.

[0010] Furthermore, the active roller and the driven roller both include an octagonal roller shaft, the outer wall of the octagonal roller shaft is connected with a roller skin via bolts, the roller skin includes a base layer, and the outer wall of the base layer is provided with a wear-resistant layer.

[0011] Furthermore, a sealing groove is provided on the inner wall of the bearing seat 1, a convex ring is integrally formed on the outer wall of the sealing ring, the convex ring is located inside the sealing groove, and a sealing lip 1 and a sealing lip 2 are integrally formed on the outer wall of the convex ring.

[0012] Furthermore, a discharge port is provided on the bottom outer wall of the bottom shell, and evenly distributed grooves are provided on the outer wall of the roller skin.

[0013] In the above technical scheme, the high-pressure roller machine provided by the utility model has the following beneficial effects: (1) by setting the active roller, the driven roller and the oil cylinder, the materials are efficiently crushed by the opposite rotation of the active roller and the driven roller, and at the same time, the pressure between the active roller and the driven roller can be increased by the oil cylinder, and the pressure between the driven roller and the active roller is greater than the pressure provided by the oil cylinder, so that the roller machine can obtain extremely high pressure when crushing the materials, thereby making the particle size of the roller machine finer when crushing the materials, so that the application range of the roller machine is increased. (2) by setting the octagonal roller shaft and roller skin, the fan-shaped roller skin is fixed to the eight faces of the octagonal roller shaft by bolts, so that the roller skin is easy to disassemble and replace when it is damaged, and the base layer of the roller skin is formed by carbon steel, and the wear-resistant layer of the roller skin is formed by high chromium alloy, so that the service life of the roller skin is improved. (3) By setting up an oil storage chamber and a sealing ring, a large amount of butter can be loaded into the interior of the bearing seat through the oil storage chamber, and the gap between the active roller connecting shaft and the bearing seat is sealed through the sealing ring, so that a large amount of butter can play a sufficient lubricating role for the rotation of the active roller and the internal bearing, thereby reducing the wear of the roller machine during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0015] Figure 1 This is a schematic diagram of the main structure of a high-pressure double-roller machine embodiment of the utility model.

[0016] Figure 2 A schematic diagram of the internal structure of a high-pressure roller mill embodiment of the utility model.

[0017] Figure 3A structural schematic diagram of a bearing seat provided in an embodiment of a high-pressure roller machine of the utility model.

[0018] Figure 4 A schematic diagram of the active roller structure provided for an embodiment of the high-pressure double-roller machine of the utility model.

[0019] Figure 5 A schematic diagram of the structure of the eight-sided roller shaft provided for the high-pressure roller machine embodiment of the utility model.

[0020] Figure 6 A schematic diagram of the roller skin structure provided for an embodiment of the high-pressure double-roller machine of the utility model.

[0021] Figure 7 This is an enlarged structural schematic diagram of point A provided in an embodiment of the high-pressure double-roller machine of the utility model.

[0022] Description of reference numerals:

[0023] 1 bottom shell, 2 bearing seat 1, 3 support arm, 4 top shell, 5 bearing seat 2, 6 oil cylinder, 7 active roller, 8 driven roller, 9 coupling, 10 reducer, 11 motor, 12 Bafang roller shaft, 13 roller skin, 14 base layer, 15 wear-resistant layer, 16 groove, 17 oil storage cavity, 18 sealing ring, 19 sealing lip 1, 20 sealing lip 2, 21 convex ring, 22 sealing groove, 23 discharge port. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0025] like Figure 1-7 As shown, the high-pressure double-roll machine provided by the embodiment of the utility model includes a bottom shell 1, an outer wall on one side of the bottom shell 1 is integrally formed with a support arm 3, the top of the support arm 3 is hinged with a top shell 4, the outer walls on both sides of the bottom shell 1 are fixed with bearing seats 2, an active roller 7 is connected between the two bearing seats 2 through bearings, the outer walls on both sides of the top shell are fixed with bearing seats 2 5, a driven roller 8 is connected between the two bearing seats 2 5 through bearings, an oil cylinder 6 is hinged between the top shell and the bottom shell 1, the oil cylinder 6 is located on the side of the active roller 7 away from the support arm 3, and a driving mechanism is provided on one side of the active roller 7.

[0026] Specifically, in this embodiment, it includes a bottom shell 1, an outer wall of one side of the bottom shell 1 is integrally formed with a support arm 3, the top of the support arm 3 is hinged with a top shell 4, the top shell 4 can rotate at a certain angle, bearing seats 2 are fixed to the outer walls of both sides of the bottom shell 1, an active roller 7 is connected between the two bearing seats 2 through bearings, bearing seats 2 5 are fixed to the outer walls of both sides of the top shell 4, a driven roller 8 is connected between the two bearing seats 2 5 through bearings, the driven roller 8 and the active roller 7 form a pair of rollers, so that the driven roller 8 and the active roller 7 can crush the material when they rotate in opposite directions, an oil cylinder 6 is hinged between the top shell and the bottom shell 1, the oil cylinder 6 is located on the side of the active roller 7 away from the support arm 3, because the oil cylinder 6 is located on the side of the active roller 7 away from the support arm 3, the power arm is greater than the resistance arm, and then the pressure between the driven roller 8 and the active roller 7 is greater than the pressure provided by the oil cylinder 6, so that the roller machine can obtain extremely high pressure when crushing the material, thereby achieving a finer effect of crushing the material, and a driving mechanism is provided on one side of the active roller 7.

[0027] The high-pressure double-roller machine provided by the utility model, through the active roller 7, the driven roller 8 and the oil cylinder 6, utilizes the opposite rotation of the active roller 7 and the driven roller 8 to efficiently crush the material, and at the same time, the pressure between the active roller 7 and the driven roller 8 can be increased by the oil cylinder 6, so that the particle size of the double-roller machine when crushing the material is finer, so that the application range of the double-roller machine is increased.

[0028] In another embodiment provided by the present utility model, Figure 1-2 As shown, the driving mechanism includes a motor 11 fixed to the bottom shell 1, the motor 11 provides power for the rotation of the active roller 7, a reducer 10 is arranged between the motor 11 and the active roller 7, the reducer 10 realizes the function of increasing the output torque of the motor 11, and a coupling 9 is connected between the output shaft of the reducer 10 and the active roller 7; the coupling 9 is used to prevent the vibration of the active roller 7 during operation from being transmitted to the reducer 10, thereby improving the service life of the reducer 10, the reducer 10 is fixed to the bottom shell 1, the output shaft of the motor 11 is fixed to the input shaft of the reducer 10, the motor 11 is used to drive the input shaft of the reducer 10 to rotate, the reducer 10 increases the torque of the motor 11 and drives the coupling 9 and the active roller 7 to rotate, thereby making it difficult for the roller machine to get stuck when crushing materials, and a discharge port 23 is opened on the bottom outer wall of the bottom shell 1, and the crushed materials flow out from the discharge port 23.

[0029] In another embodiment provided by the present utility model, Figure 3 and Figure 7As shown, an oil storage chamber 17 is provided inside the bearing seat 2, and butter is pre-loaded inside the oil storage chamber 17. A sealing ring 18 is provided inside the bearing seat 2, and the sealing ring 18 is sleeved on the outside of the connecting shaft of the active roller 7. A large amount of butter can be loaded into the inside of the bearing seat through the oil storage chamber 17, and the gap between the connecting shaft of the active roller 7 and the bearing seat 2 is sealed through the sealing ring 18, so that a large amount of butter can play a sufficient lubricating role for the rotation of the active roller 7 and the internal bearing, thereby reducing the wear of the roller machine during use. A sealing groove 22 is provided on the inner wall of the bearing seat 2, and a convex ring 21 is integrally formed on the outer wall of the sealing ring 18. The convex ring 21 is located inside the sealing groove 22. The convex ring 21 cooperates with the sealing groove 22 to make the dynamic sealing effect between the active roller 7 and the bearing seat 2 better. The outer wall of the convex ring 21 is integrally formed with a sealing lip 19 and a sealing lip 20, and the sealing lip 19 and the sealing lip 20 prevent dust from entering the sealing gap.

[0030] In another embodiment provided by the present utility model, Figure 4-6 As shown, both the active roller 7 and the driven roller 8 include an octagonal roller shaft 12, the cross section of the octagonal roller shaft 12 is a regular octagon, the outer wall of the octagonal roller shaft 12 is connected with a roller skin 13 by bolts, the roller skin 13 includes a base layer 14, the base layer 14 is made of carbon steel, the outer wall of the base layer 14 is provided with a wear-resistant layer 15, the wear-resistant layer 15 is made of high chromium alloy, the fan-shaped roller skin 13 is fixed to the eight faces of the octagonal roller shaft 12 by bolts, and the eight roller skins 13 just form a perfect circle, so that the roller skin 13 is easy to disassemble and replace when damaged, and the base layer 14 of the roller skin 13 is formed by carbon steel, and the wear-resistant layer 15 of the roller skin 13 is formed by high chromium alloy, so that the service life of the roller skin 13 is improved; the outer wall of the roller skin 13 is provided with evenly distributed grooves 16, the grooves 16 increase the friction force when the active roller 7 and the driven roller 8 rotate, and prevent the active roller 7 and the driven roller 8 from slipping with the material.

[0031] Working principle: When in use, the bottom shell 1, the reducer 10 and the motor 11 are supported and fixed by the bracket, and the input shaft of the reducer 10 is driven to rotate by the motor 11. The reducer 10 increases the torque of the motor 11 and drives the coupling 9 and the active roller 7 to rotate, and the material to be crushed flows to between the active roller 7 and the driven roller 8 through the feeding hopper. When the active roller 7 rotates, the force is given to the material, and the material is given to the driven wheel, so that the driven roller 8 reacts to the material, so that the material is squeezed and crushed between the two active rollers 7 and the driven roller 8, and the crushed material flows out from the discharge port 23; when it is necessary to adjust the pressure between the active roller 7 and the driven roller 8, the top shell 4 is driven by the oil cylinder 6 to rotate in the direction of the active roller 7, thereby increasing the pressure between the active roller 7 and the driven roller 8, and achieving a finer particle size effect of material crushing.

[0032] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. High pressure roller mill, characterized in that: The invention comprises a bottom shell (1), an outer wall of one side of the bottom shell (1) is integrally formed with a support arm (3), the top of the support arm (3) is hingedly connected to a top shell (4), the outer walls of both sides of the bottom shell (1) are fixed with a bearing seat (2), a driving roller (7) is connected between the two bearing seats (2) via a bearing, the outer walls of both sides of the top shell (4) are fixed with a bearing seat (5), a driven roller (8) is connected between the two bearing seats (5) via a bearing, an oil cylinder (6) is hingedly connected between the top shell and the bottom shell (1), the oil cylinder (6) is located on the side of the driving roller (7) away from the support arm (3), and a driving mechanism is provided on one side of the driving roller (7).

2. The high pressure roller machine according to claim 1, characterized in that: The driving mechanism comprises a motor (11) fixed to the bottom shell (1), a reducer (10) is arranged between the motor (11) and the active roller (7), and a coupling (9) is connected between the output shaft of the reducer (10) and the active roller (7).

3. The high pressure roller machine according to claim 2, characterized in that: The reducer (10) is fixed to the bottom shell (1), and the output shaft of the motor (11) is fixed to the input shaft of the reducer (10).

4. The high pressure roller machine according to claim 1, characterized in that: The bearing seat 1 (2) is provided with an oil storage chamber (17) inside, and the bearing seat 1 (2) is provided with a sealing ring (18) inside, and the sealing ring (18) is sleeved on the outside of the connecting shaft of the active roller (7).

5. The high pressure roller machine according to claim 1, characterized in that: The active roller (7) and the driven roller (8) both comprise an octagonal roller shaft (12), the outer wall of the octagonal roller shaft (12) being connected to a roller skin (13) via bolts, the roller skin (13) comprising a base layer (14), and the outer wall of the base layer (14) being provided with a wear-resistant layer (15).

6. The high pressure roller machine according to claim 4, characterized in that: The inner wall of the bearing seat 1 is provided with a sealing groove (22), the outer wall of the sealing ring (18) is integrally formed with a convex ring (21), the convex ring (21) is located inside the sealing groove (22), and the outer wall of the convex ring (21) is integrally formed with a sealing lip 1 (19) and a sealing lip 2 (20).

7. The high pressure roller machine according to claim 5, characterized in that: The bottom outer wall of the bottom shell (1) is provided with a material discharge port (23), and the outer wall of the roller skin (13) is provided with evenly distributed grooves (16).

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