Brush roller rotation and reciprocating movement hydraulic device

Abstract

The utility model relates to the technical field of hot mills, in particular to a hydraulic device for rotating and reciprocating a brush roll, which is characterized in that a front cylinder seat and a rear cylinder seat are respectively arranged at two ends of a cylinder body, a piston is sleeved in the cylinder body in a sliding manner, a spline piston rod is sleeved in the piston, and a bearing is arranged between the spline piston rod and the piston; a hydraulic cylinder oil hole is formed in the cylinder body; a bearing seat is arranged at the end of the cylinder rear seat, a spline shaft sleeve is rotatably arranged in the bearing seat in a sleeved mode, the spline shaft sleeve is arranged on a spline piston rod in a sleeved mode and connected with a spline of the spline piston rod, a connecting seat is arranged at the end of the bearing seat, and the axial plunger motor is arranged at the rear end of the connecting seat. And the output end of the axial plunger motor is connected with the spline shaft sleeve. According to the utility model, the rotary motion and the reciprocating motion of the brush roll can be realized at the same time, so that the brush roll can be conveniently controlled, and the phenomena of vibration and instability caused by the fact that the brush roll is pressed against the working roll are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of hot rolling mills, in particular to a hydraulic device for rotating and reciprocating brush rollers. Background Art

[0002] At present, hot rolling mills are usually used to continuously roll aluminum strips. The working rolls of the hot rolling mill achieve the purpose of rolling the aluminum strips. During the rolling process of the aluminum strips, emulsions need to be continuously sprayed. The emulsions lubricate the aluminum strips and cool the working rolls and the aluminum strips. The emulsions also clean the aluminum strips and the working rolls. During the rolling process, the aluminum powder adhered to the surface of the working rolls and various oils remaining on the surface of the aluminum strips are cleaned; the brush rolls of the hot rolling mill are used to clean the working rolls. The brush rolls are driven to rotate at high speed to clean the aluminum powder, oil stains on the surface of the working rolls and the emulsion of the aluminum strips after cleaning.

[0003] The prior art usually uses a motor to drive the brush roller to rotate and a hydraulic cylinder to drive the brush roller to reciprocate to clean the aluminum powder, oil stains and emulsion for cleaning the aluminum strip on the surface of the working roller. However, when the motor and hydraulic cylinder are used to drive the brush roller to move respectively, the brush roller is pressed against the working roller to clean the working roller, which is prone to vibration and instability, affecting the cleaning effect of the brush roller on the working roller. Summary of the invention

[0004] The utility model aims to solve the problem that the brush roller is prone to vibration and instability during the process of cleaning the working roller with the brush roller in the prior art, and provides a hydraulic device for rotating and reciprocating the brush roller. The hydraulic device can realize the two actions of rotating and reciprocating the brush roller at the same time, which is convenient for controlling the brush roller and avoiding vibration and instability caused by the brush roller being pressed against the working roller.

[0005] In order to achieve the above-mentioned purpose, the technical solution of the utility model is: a hydraulic device for rotating and reciprocating brush rollers, including a cylinder body and an axial piston motor, wherein the two ends of the cylinder body are respectively provided with a cylinder front seat and a cylinder rear seat, and the internal sliding sleeve of the cylinder body is provided with a piston, and the piston is a structure that is hollow inside and open at both ends, and the internal sleeve of the piston is provided with a spline piston rod, and a bearing is provided between the spline piston rod and the piston; a hydraulic cylinder oil hole is provided on the cylinder body. The hydraulic oil can be converted into sliding pressure through the hydraulic cylinder oil hole to push the piston to move in the cylinder body, and the piston can reciprocate in the cylinder body. The piston can drive the spline piston rod to reciprocate in the cylinder body through the bearing; the spline piston rod can be connected to the shaft of the brush roller through a coupling.

[0006] The end of the cylinder rear seat is provided with a bearing seat, the internal rotating sleeve of the bearing seat is provided with a spline sleeve, the spline sleeve is sleeved on the spline piston rod and spline-connected with the spline piston rod, the end of the bearing seat is provided with a connecting seat, the axial piston motor is arranged at the rear end of the connecting seat, and the output end of the axial piston motor is connected to the spline sleeve. Through the cooperation of the spline sleeve, the spline piston rod and the output end of the axial piston motor, the output end of the axial piston motor can drive the spline piston rod to rotate through the spline sleeve.

[0007] Furthermore, a transparent cover is provided at the front end of the piston, and the transparent cover is sleeved on the spline piston rod, and the transparent cover plays a role in fixing the bearing.

[0008] Furthermore, the bearing includes a first bearing and a second bearing, and the spline piston rod is interference fit with the inner rings of the first bearing and the second bearing, so that the spline piston rod rotates with the spline sleeve, thereby realizing the rotation of the brush roller.

[0009] Furthermore, a sleeve 1 and a sleeve 2 are respectively arranged on both sides of the bearing 2, and the sleeve 1 and the sleeve 2 are both sleeved on the spline piston rod, and the sleeve 1 is located between the bearing 1 and the bearing 2. The sleeve 1 and the bearing 2 play a positioning role together, and the sleeve 1 and the sleeve 2 play a positioning role on the bearing 2.

[0010] Furthermore, the bearing seat is provided with bearing three and bearing four inside, and the spline sleeve is interference fit with the inner rings of bearing three and bearing four; the outer sleeve of the spline sleeve is provided with sleeve three, and sleeve three is located between bearing three and bearing four. Bearing three and bearing four facilitate the output end of the axial piston motor to drive the spline sleeve to rotate, and sleeve three plays a role in positioning bearing three and bearing four.

[0011] Furthermore, a gland is provided at the front end of the spline sleeve, and the gland is sleeved on the outside of the spline piston rod. The gland plays a role in fixing the bearing 4.

[0012] Through the above technical solution, the beneficial effects of the utility model are:

[0013] The utility model has a reasonable structure and good use effect, and can realize the two actions of brush roller rotation and reciprocating motion at the same time, which is convenient for controlling the brush roller and avoids the brush roller from vibrating and being unstable when the brush roller is pressed against the working roller to clean the working roller, thereby improving the cleaning effect of the brush roller on the working roller.

[0014] The utility model can convert hydraulic oil into sliding pressure through the hydraulic cylinder oil hole, push the piston to move in the cylinder body, the piston can make reciprocating motion in the cylinder body, and the piston can drive the spline piston rod to make reciprocating motion in the cylinder body through the bearing, thereby realizing the effect of the brush roller making reciprocating motion, ensuring that the working roller is fully cleaned during the rotation of the brush roller.

[0015] In the utility model, under the action of bearing three and bearing four in the bearing seat, the axial piston motor can drive the spline sleeve to rotate; and through the spline connection of the spline sleeve and the spline piston rod, and under the action of bearing one and bearing two, the spline sleeve can drive the spline piston rod to rotate, thereby achieving the effect of the brush roller rotating, so as to ensure that the brush roller rotates at high speed to clean the working roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a hydraulic device for brush roller rotation and reciprocating movement in the utility model. Figure 1 ;

[0017] Figure 2 This is a schematic diagram of the structure of a hydraulic device for brush roller rotation and reciprocating movement in the utility model. Figure 2 .

[0018] The numbers in the accompanying drawings are: 1 is the cylinder body, 2 is the front seat of the cylinder, 3 is the rear seat of the cylinder, 4 is the piston, 5 is the transparent cover, 6 is the splined piston rod, 7 is the bearing one, 8 is the bearing two, 9 is the sleeve one, 10 is the sleeve two, 11 is the oil hole of the hydraulic cylinder, 12 is the bearing seat, 13 is the connecting seat, 14 is the axial piston motor, 15 is the spline sleeve, 16 is the bearing three, 17 is the bearing four, 18 is the pressure cover, and 19 is the sleeve three. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0020] like Figure 1-2As shown, a hydraulic device for rotating and reciprocating brush rollers comprises a cylinder body 1 and an axial piston motor 14, wherein the cylinder body 1 is provided with a cylinder front seat 2 and a cylinder rear seat 3 at both ends, wherein a piston 4 is provided in a sliding sleeve inside the cylinder body 1, wherein the piston 4 is a structure that is hollow inside and open at both ends, wherein a spline piston rod 6 is provided inside the piston 4, wherein a bearing is provided between the spline piston rod 6 and the piston 4; wherein a hydraulic cylinder oil hole 11 is provided on the cylinder body 1. In this embodiment, the cylinder front seat 2 and the cylinder rear seat 3 are both fixed to the ends of the cylinder body 1 by bolts, wherein the piston 4 is in a stationary state, wherein the two ends of the piston 4 are respectively located in the cylinder front seat 2 and the cylinder rear seat 3; wherein the cylinder front seat 2 is fixed to the support of the hot rolling mill, wherein the spline piston rod 6 is connected to the shaft head of the brush roller through a coupling, wherein the number of the hydraulic cylinder oil holes 11 is two, thereby realizing the reciprocating motion of the piston 4, wherein the piston 4 drives the spline piston rod 6 to reciprocate through the bearing, thereby realizing the reciprocating motion of the brush roller.

[0021] The end of the cylinder rear seat 3 is provided with a bearing seat 12, and the internal rotating sleeve of the bearing seat 12 is provided with a spline sleeve 15, and the spline sleeve 15 is sleeved on the spline piston rod 6 and spline-connected with the spline piston rod 6. The end of the bearing seat 12 is provided with a connecting seat 13, and the axial piston motor 14 is arranged at the rear end of the connecting seat 13, and the output end of the axial piston motor 14 is connected to the spline sleeve 15. In this embodiment, the bearing seat 12 is bolted to the rear end of the cylinder rear seat 3, the connecting seat 13 is bolted to the bearing seat 12, and the axial piston motor 14 is bolted to the connecting seat 13, wherein the spline piston rod 6 and the spline sleeve 15 transmit torque through the spline and slide through the spline groove at the same time, and the surface of the spline is nitrided and heat-treated to enhance heat resistance, and has the advantages of good transmission force and wear resistance and resistance to reversing impact. The output end of the axial piston motor 14 transmits the rotational torque to the spline sleeve 15, and the spline sleeve 15 transmits the rotational torque to the spline piston rod 6, so that the spline piston rod 6 drives the brush roller to rotate.

[0022] The front end of the piston 4 is provided with a transparent cover 5, which is sleeved on the spline piston rod 6. In this embodiment, the transparent cover 5 is bolted to the end of the piston 4, and the transparent cover 5 plays a role in fixing the bearing 7. The transparent cover 6 is provided with a through hole for the spline piston rod 6 to pass through.

[0023] The bearings include bearing 1 7 and bearing 2 8, and the spline piston rod 6 is interference fit with the inner rings of bearing 1 7 and bearing 2 8. In this embodiment, there are two bearings 1 7, and bearing 1 7 and bearing 2 8 are fixed at both ends of the interior of the piston 4. Bearing 1 7 and bearing 2 8 facilitate the spline sleeve 15 to drive the spline piston rod 6 to rotate.

[0024] A sleeve 1 9 and a sleeve 2 10 are respectively arranged on both sides of the bearing 2 8, and the sleeve 1 9 and the sleeve 2 10 are both sleeved on the spline piston rod 6, and the sleeve 1 9 is located between the bearing 1 7 and the bearing 2 8. In this embodiment, the sleeve 1 9 and the sleeve 2 10 play a role in positioning the bearing 1 7 and the bearing 2 8.

[0025] The bearing seat 12 is provided with a bearing three 16 and a bearing four 17 inside, and the spline sleeve 15 is interference fit with the inner rings of the bearing three 16 and the bearing four 17; the spline sleeve 15 is provided with a sleeve three 19 outside, and the sleeve three 19 is located between the bearing three 16 and the bearing four 17. In this embodiment, the bearing three 16 and the bearing four 17 are respectively fixed at both ends inside the bearing seat 12, and the outer side of the rear end of the spline sleeve 15 is a step-like structure, which plays a role in limiting the bearing three 16, and the sleeve three 19 plays a role in positioning the bearing three 16 and the bearing four 17.

[0026] The front end of the spline sleeve 15 is provided with a gland 18, which is sleeved on the outside of the spline piston rod 6. In this embodiment, the gland 18 is bolted to the front end of the spline sleeve 15, and the gland 18 plays a role in fixing the bearing 29 17. The gland 18 is provided with an opening for the spline piston rod 6 to pass through.

[0027] The working principle of the utility model is as follows: first, the cylinder front seat 2 is bolted to the support of the hot rolling mill, and the spline piston rod 6 is connected to the shaft head of the brush roller through a coupling. Hydraulic oil is delivered to the axial piston motor 14, and the hydraulic oil movement is converted into rotational torque. Under the action of bearing three 16 and bearing four 17, the output end of the axial piston motor 14 drives the spline sleeve 15 to rotate, and under the action of bearing one 7 and bearing two 8, the spline sleeve 15 drives the spline piston rod 6 to rotate, and the spline piston rod 6 drives the brush roller to rotate through the coupling. In this process, the hydraulic oil is delivered to the cylinder body 1 through the hydraulic cylinder oil hole 11, and the hydraulic oil is converted into sliding pressure to push the piston 4 to move inside the cylinder body 1, and the direction of the oil in and out can be changed through the reversing valve. The piston 4 drives the spline piston rod 6 to reciprocate through the bearing one 7 and the bearing two 8, and the spline piston rod 6 drives the brush roller to reciprocate through the coupling, thereby achieving the effect of the brush roller cleaning the working roller.

[0028] The embodiments described above are only preferred embodiments of the utility model and do not limit the scope of implementation of the utility model. Therefore, all equivalent changes or modifications made according to the technical solutions described in the patent scope of the utility model should be included in the scope of the patent application of the utility model.

Claims

1. A hydraulic device for rotating and reciprocating a brush roller, comprising a cylinder (1) and an axial piston motor (14), characterized in that: The two ends of the cylinder body (1) are respectively provided with a cylinder front seat (2) and a cylinder rear seat (3); a piston (4) is provided in a sliding sleeve inside the cylinder body (1); the piston (4) is a structure with a hollow interior and openings at both ends; a spline piston rod (6) is provided inside the piston (4); a bearing is provided between the spline piston rod (6) and the piston (4); a hydraulic cylinder oil hole (11) is provided on the cylinder body (1); A bearing seat (12) is provided at the end of the cylinder rear seat (3); a spline sleeve (15) is provided inside the rotating sleeve of the bearing seat (12); the spline sleeve (15) is sleeved on the spline piston rod (6) and spline-connected to the spline piston rod (6); a connecting seat (13) is provided at the end of the bearing seat (12); the axial piston motor (14) is arranged at the rear end of the connecting seat (13); and an output end of the axial piston motor (14) is connected to the spline sleeve (15).

2. A hydraulic device for brush roller rotation and reciprocation according to claim 1, characterized in that: A transparent cover (5) is provided at the front end of the piston (4), and the transparent cover (5) is sleeved on the spline piston rod (6).

3. A brush roller rotating and reciprocating hydraulic device according to claim 1, characterized in that: The bearing comprises a first bearing (7) and a second bearing (8), and the spline piston rod (6) is interference fit with the inner rings of the first bearing (7) and the second bearing (8).

4. A brush roller rotating and reciprocating hydraulic device according to claim 3, characterized in that: A shaft sleeve 1 (9) and a shaft sleeve 2 (10) are respectively arranged on both sides of the bearing 2 (8); the shaft sleeve 1 (9) and the shaft sleeve 2 (10) are both sleeved on the spline piston rod (6); the shaft sleeve 1 (9) is located between the bearing 1 (7) and the bearing 2 (8).

5. A brush roller rotating and reciprocating hydraulic device according to claim 1, characterized in that: The bearing seat (12) is provided with a bearing three (16) and a bearing four (17) inside, and the spline sleeve (15) is interference fit with the inner rings of the bearing three (16) and the bearing four (17); the outer sleeve of the spline sleeve (15) is provided with a sleeve three (19), and the sleeve three (19) is located between the bearing three (16) and the bearing four (17).

6. A brush roller rotating and reciprocating hydraulic device according to claim 1, characterized in that: A pressure cover (18) is provided at the front end of the spline shaft sleeve (15), and the pressure cover (18) is sleeved on the outside of the spline piston rod (6).

Images