阅读说明：本技术 一种扁担式矫直辊的辊面修磨装置及其修磨方法 (Roll surface grinding device and grinding method of shoulder pole type straightening roll ) 是由 李红伟 于 2020-04-21 设计创作，主要内容包括：本发明公开了一种扁担式矫直辊的辊面修磨装置及其修磨方法,包括支撑杆,其杆身上连有支撑座,位于所述支撑座一侧的所述支撑杆上设有驱动器,所述驱动器接入有电源,位于所述支撑座另一侧的所述支撑杆上设有砂轮,所述砂轮与所述驱动器相连,所述支撑杆的两端上均设有手持手柄,任一所述手持手柄上设有启动按钮,所述启动按钮控制控制所述驱动器的启闭。本发明改善矫直辊辊面修磨作业的环境,使作业安全本质得到根本改善。(The invention discloses a roll surface grinding device of a shoulder pole type straightening roll and a grinding method thereof. The invention improves the environment of the roll surface grinding operation of the straightening roll, and fundamentally improves the operation safety essence.)

1. The utility model provides a roll surface grinding device of shoulder pole formula straightener roller which characterized in that: the grinding wheel grinding device comprises a supporting rod, wherein a supporting seat is connected to the rod body of the supporting rod, a driver is arranged on the supporting rod and located on one side of the supporting seat, the driver is connected to a power source, a grinding wheel is arranged on the supporting rod and located on the other side of the supporting seat, the grinding wheel is connected with the driver through a connecting shaft, handheld handles are arranged at two ends of the supporting rod, a starting button is arranged on any one of the handheld handles, and the starting button controls the starting and the stopping of the driver.

2. The roll surface grinding device of the shoulder pole type straightening roll according to claim 1, characterized in that: the support rod is a hollow steel pipe, the length of the support rod is 3m +/-0.5 m, and the diameter of the support rod is 30mm +/-0.5 mm.

3. The roll surface grinding device of the shoulder pole type straightening roll according to claim 1, characterized in that: the supporting seat is a U-shaped supporting seat, and the opening position of the upper end of the supporting seat is connected to the rod body of the supporting rod through a pin shaft.

4. The roll surface grinding device of the shoulder pole type straightening roll according to claim 1, characterized in that: the driver is a motor, the power supply is a storage battery, and the motor is connected with the storage battery through a cable plug wire.

5. The roll surface grinding device of the shoulder pole type straightening roll according to claim 4, characterized in that: the cable plug is in a socket type.

6. The roll surface grinding device of the shoulder pole type straightening roll according to claim 1, characterized in that: the coupling shaft is a phi 12mm coupling shaft.

7. A roll surface grinding method of a shoulder pole type straightening roll is characterized by comprising the following steps: the roller surface grinding device according to any one of claims 1 to 6 is adopted, the storage battery is used for supplying power, the torque is transmitted to the connecting shaft through the driver, and the torque is transmitted to the grinding wheel through the connecting shaft;

an operator controls the hand-held handle to control the grinding force and position of the grinding wheel, and the grinding wheel is in contact with the roller surface of the straightening roller to grind.

8. The roll surface grinding method of the shoulder pole type straightening roll according to claim 7, characterized in that: the roller surface grinding method comprises the following steps of grinding the lower roller surface of the straightening roller and grinding the upper roller surface of the straightening roller.

9. The roll surface grinding method of the shoulder pole type straightening roll according to claim 8, characterized in that: the lower roll surface of the straightening roll is polished by the following specific process:

firstly, opening the roll gap opening degree of the straightening roll to the maximum value, placing the roll surface grinding device across the roll surface of the straightening roll, positioning one operator at the outlet side of the straightening roll and holding the handheld handle on one end of the supporting rod, and positioning the other operator at the inlet side of the straightening roll and holding the handheld handle on the other end of the supporting rod;

placing the support seat in a supporting state in a rotating manner, electrifying the storage battery and the motor, moving the roller surface grinding device by an operator to enable the grinding wheel to be aligned with the defect position of the lower roller surface of the straightening roller, then pressing the starting button on the handheld handle by one operator to start the grinding wheel to grind the lower roller surface of the straightening roller,

after the grinding is finished, the starting button is released, the power supply of the motor is cut off, the grinding wheel stops, the operation room is informed to inching the straightening roller, and the roller surface grinding device continues grinding the roller surface through the operation until the grinding of the lower roller surface of the straightening roller is finished.

10. The roll surface grinding method of the shoulder pole type straightening roll according to claim 8, characterized in that: the upper roll surface grinding of the straightening roll comprises the following specific processes:

firstly, opening the roll gap opening degree of the straightening roll to the maximum value, placing the roll surface grinding device across the roll surface of the straightening roll, positioning one operator at the outlet side of the straightening roll, holding the handheld handle on one end of the supporting rod, positioning the other operator at the inlet side of the straightening roll, holding the handheld handle on the other end of the supporting rod, and rotating the roll surface grinding device to enable the grinding wheel to face upwards;

placing the support seat in a supporting state in a rotating manner, electrifying the storage battery and the motor, moving the roller surface grinding device by an operator to enable the grinding wheel to be aligned with the defect position of the upper roller surface of the straightening roller, then pressing the starting button on the handheld handle by one operator to start the grinding wheel to grind the lower roller surface of the straightening roller,

after the grinding is finished, the starting button is loosened, the power supply of the motor is cut off, the grinding wheel stops, the operation room is informed to inching the straightening roller, and the roller surface grinding device continues grinding the roller surface through the operation until the grinding of the upper roller surface of the straightening roller is finished.

11. The roll surface grinding method of the shoulder pole type straightening roll according to claim 7, characterized in that: and an operator at any end of the supporting rod presses down the handheld handle to form a lever fulcrum by using the supporting seat, so that the grinding force of the grinding wheel is adjusted.

Technical Field

The invention relates to roll surface grinding equipment, in particular to a roll surface grinding device of a shoulder pole type straightening roll and a grinding method thereof.

Background

The thick plate cold straightening unit plays an important role in the production of thick plates because the plate shape control is always a difficult point of the thick plates. However, due to the straightening characteristic, foreign matters such as burrs, slag and the like caused by the previous process often remain on the surface and the periphery of the steel plate in the straightening process of the steel plate, and the edge quality of the steel plate is poor due to the problems of edge quick opening and scissor opening collapse of the cut steel plate, so that the situations of rubbing and pulling of the roller surface and the like caused by uneven stress of the straightening roller in the straightening process of the steel plate are easy to occur, and further batch quality accidents occur.

The cold straightening unit used by a general iron and steel enterprise is originally designed by adopting a German Simmark (SMS) technology, the original design for the conditions of rubbing, pulling and the like of the roller surface is proposed to be solved by replacing a roller system, the actual replacement of the roller system takes longer time, the influence degree on a production line is large, in order to relieve the contradiction, the field is mainly to open the roller gap to the maximum, an operator transversely lies in the roller gap of the straightening unit and uses a handheld grinding machine to carry out online grinding, the method can solve the batch quality problem caused by the rubbing and pulling of the roller surface, but has small operation space and large operation difficulty, particularly the personnel is arranged in hydraulic equipment and is accompanied with the inching of the straightening roller, and the potential safety hazard is large.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a roll surface grinding device of a shoulder pole type straightening roll and a grinding method thereof, which improve the environment of the grinding operation of the roll surface of the straightening roll and fundamentally improve the safety essence of the operation.

In order to achieve the purpose, the invention adopts the following technical scheme:

on the one hand, the roll surface grinding device of the shoulder pole type straightening roll comprises a supporting rod, wherein a supporting seat is connected to the rod body of the supporting rod, a driver is arranged on the supporting rod and located on one side of the supporting seat, the driver is connected to a power source, a grinding wheel is arranged on the supporting rod and located on the other side of the supporting seat, the grinding wheel is connected with the driver through a connecting shaft, handheld handles are arranged at two ends of the supporting rod, a starting button is arranged on any one of the handheld handles, and the starting button controls the starting and the stopping of the driver.

The support rod is a hollow steel pipe, the length of the support rod is 3m +/-0.5 m, and the diameter of the support rod is 30mm +/-0.5 mm.

The supporting seat is a U-shaped supporting seat, and the opening position of the upper end of the supporting seat is connected to the rod body of the supporting rod through a pin shaft.

The driver is a motor, the power supply is a storage battery, and the motor is connected with the storage battery through a cable plug wire.

The cable plug is in a socket type.

The coupling shaft is a phi 12mm coupling shaft.

On the other hand, the roll surface grinding method of the shoulder pole type straightening roll adopts the roll surface grinding device, uses the storage battery for supplying power, transmits the torque of a driver to the connecting shaft, and transmits the torque to the grinding wheel through the connecting shaft;

an operator controls the hand-held handle to control the grinding force and position of the grinding wheel, and the grinding wheel is in contact with the roller surface of the straightening roller to grind.

The roller surface grinding method comprises the following steps of grinding the lower roller surface of the straightening roller and grinding the upper roller surface of the straightening roller.

The lower roll surface of the straightening roll is polished by the following specific process:

firstly, opening the roll gap opening degree of the straightening roll to the maximum value, placing the roll surface grinding device across the roll surface of the straightening roll, positioning one operator at the outlet side of the straightening roll and holding the handheld handle on one end of the supporting rod, and positioning the other operator at the inlet side of the straightening roll and holding the handheld handle on the other end of the supporting rod; the support seat is placed in a supporting state in a rotating mode, the storage battery and the motor are electrified, the roller surface grinding device is moved through an operator, the grinding wheel is aligned to the defect position of the lower roller surface of the straightening roller, then the start button on the handheld handle is pressed down by the operator, the grinding wheel is started to grind the lower roller surface of the straightening roller, after grinding is completed, the start button is loosened, the power supply of the motor is cut off, the grinding wheel stops, an operation room is informed to inching the straightening roller, and the roller surface grinding device continues grinding the roller surface through the operation until the grinding of the lower roller surface of the straightening roller is completed.

The upper roll surface grinding of the straightening roll comprises the following specific processes:

firstly, opening the roll gap opening degree of the straightening roll to the maximum value, placing the roll surface grinding device across the roll surface of the straightening roll, positioning one operator at the outlet side of the straightening roll, holding the handheld handle on one end of the supporting rod, positioning the other operator at the inlet side of the straightening roll, holding the handheld handle on the other end of the supporting rod, and rotating the roll surface grinding device to enable the grinding wheel to face upwards; the support seat is placed in a supporting state in a rotating mode, the storage battery and the motor are electrified, the roller surface grinding device is moved through an operator, the grinding wheel is aligned to the defect position of the upper roller surface of the straightening roller, then the start button on the handheld handle is pressed down by the operator, the grinding wheel is started to grind the lower roller surface of the straightening roller, after grinding is completed, the start button is loosened, the power supply of the motor is cut off, the grinding wheel stops, an operation room is informed to inching the straightening roller, and the roller surface grinding device continues grinding the roller surface as the roller surface grinding device does until the grinding of the upper roller surface of the straightening roller is completed.

And an operator at any end of the supporting rod presses down the handheld handle to form a lever fulcrum by using the supporting seat, so that the grinding force of the grinding wheel is adjusted.

In the technical scheme, aiming at the problems of roll surface scratch, strain and the like of the field straightening roll, the roll surface grinding device and the grinding method thereof provided by the invention have the advantages that two operators are positioned at the inlet and the outlet of the straightener, the roll surface grinding device is held by hands, and the roll surface grinding method is adopted to realize the grinding of the roll surface. The grinding roller operation under the original narrow and small, high risk working condition in space is improved to the spacious, safe operation environment outside the machine, obtains fundamental improvement from the aspect of the operation safety cost. Simultaneously, the problem of batch quality caused by rubbing and pulling on the roll surface of the straightening roll is solved, and the method is safe and efficient. The roller surface grinding device not only can be used for grinding the roller surface of a cold straightening roller and a hot straightening roller of a thick plate part, but also can be popularized to other production lines for use.

Drawings

FIG. 1 is a schematic structural view of an embodiment of the roll surface grinding device of the present invention;

FIG. 2 is a schematic view of a lower roll being polished by an embodiment of the roll surface polishing method of the present invention;

FIG. 3 is a schematic view of the grinding of the upper roller according to the embodiment of the grinding method of the roller surface.

Detailed Description

The technical scheme of the invention is further explained by combining the drawings and the embodiment.

As shown in figure 1, the roll surface grinding device of the shoulder pole type straightening roll comprises a supporting rod 1 made of a hollow steel pipe with the length of 3m and the caliber of 30mm, a U-shaped supporting seat 2 is connected to the rod body of the supporting rod 1, the upper opening position of the supporting seat 2 is connected to the supporting rod 1 through a pin shaft, and the supporting seat can be rotatably assembled around the supporting rod 1 and used as a supporting point in the grinding process of an upper roll.

The left end of the supporting rod 1 is fixedly connected with a motor 3 (positioned on the left side of the supporting seat 2 in the figure 1), the motor 3 is powered by a storage battery 4, the motor 3 and the storage battery 4 are connected and powered by a cable plug wire 5, and the cable plug wire 5 adopts a socket type and is convenient to plug and unplug. When the electric hand-held device is used, the socket of the battery jar 4 is plugged, the starting button on the left hand-held handle 8 is pressed, and the motor 3 runs; when the device is not used, the starting button is loosened, the motor 3 is stopped, and the storage battery 4 can be charged independently.

A grinding wheel 6 is arranged in the middle of the supporting rod 1 (positioned on the right side of the supporting seat 2 in the figure 1), the grinding wheel 6 is connected with the motor 3 through a phi 12 connecting shaft 7, and the torque of the motor 3 is transmitted through the connecting shaft 7.

The left end and the right end of the supporting rod 1 are provided with handheld handles 8 and 9 which are convenient for operators to hold during operation, wherein a starting button for starting the motor 3 is assembled on the handheld handle 8, and when the starting button is pressed down, a power supply mode is started, and the motor 3 runs; when the start button is released, the power supply is cut off and the motor 3 is stopped.

As shown in fig. 2 to 3, the invention also provides a roll surface grinding method of the shoulder pole type straightening roll, which adopts a roll surface grinding device, uses the storage battery 4 to supply power, transmits the torque of the motor 3 to the connecting shaft 7, and transmits the torque to the grinding wheel 6 through the connecting shaft 7.

An operator controls the hand-held handles 8 and 9 to control the grinding force and position of the grinding wheel 6, and the grinding wheel 6 is in contact with the roller surfaces of the straightening rollers R1-R9 for grinding, wherein the straightening rollers R1, R3, R5, R7 and R9 are lower rollers, and the straightening rollers R2, R4, R6 and R8 are upper rollers.

The roll surface grinding method comprises the steps of grinding the lower roll surface of the straightening roll and grinding the upper roll surface of the straightening roll.

The lower roll surface of the straightening roll is polished by the following specific process:

firstly, opening degree H of a roll gap of a straightening roll is opened to the maximum value, a roll surface grinding device is placed across the roll surface (shown in figure 2) of the straightening roll, one operator is positioned at the outlet side of the straightening roll (positioned at the left side of the straightening roll R9 in figure 2) and holds a hand-held handle 8 on the left end part of a supporting rod 1, and the other operator is positioned at the inlet side of the straightening roll (positioned at the right side of the straightening roll R1 in figure 2) and holds a hand-held handle 9 on the right end part of the supporting rod 1; the supporting seat 2 is rotatably placed in a supporting state, the storage battery 4 and a socket of the motor 3 are inserted, the roller surface grinding device is moved by an operator, the grinding wheel 6 is aligned with the defect position of the lower roller surface of the straightening roller, then the operator at the outlet side presses a starting button on the handle 8, the grinding wheel 6 is started to grind the lower roller surface of the straightening roller, after grinding is finished, the starting button is loosened, the power supply of the motor 3 is cut off, the grinding wheel 6 stops, the operating room is informed to inching the straightening roller, and the roller surface grinding device continues grinding the roller surface by operating as above until the grinding of the lower roller surface of the straightening roller is finished.

The upper roll surface grinding of the straightening roll comprises the following specific processes:

firstly, opening degree H of a roll gap of a straightening roll is opened to the maximum value, a roll surface grinding device is placed across the roll surface (shown in figure 3) of the straightening roll, one operator is positioned at the outlet side of the straightening roll (positioned at the left side of the straightening roll R9 in figure 3) and holds a hand-held handle 8 on the left end part of a support rod 1, the other operator is positioned at the inlet side of the straightening roll (positioned at the right side of a straightening roll R1 in figure 3) and holds a hand-held handle 9 on the right end part of the support rod 1, and the roll surface grinding device is rotated to enable a grinding wheel 6 to face upwards (the directions of the straightening rolls R2, R4, R6 and R8 in figure 3); the supporting seat 2 is rotatably placed in a supporting state, the storage battery 4 and a socket of the motor 3 are inserted, the roller surface grinding device is moved by an operator, the grinding wheel 6 is aligned with the defect position of the upper roller surface of the straightening roller, then the start button on the handheld handle 8 is pressed by the operator, the grinding wheel 6 is started to grind the lower roller surface of the straightening roller, after grinding is finished, the start button is loosened, the power supply of the motor 3 is cut off, the grinding wheel 6 stops, the operation room is informed to inching the straightening roller, and the roller surface grinding device continues grinding the roller surface by operating as above until the grinding of the upper roller surface of the straightening roller is finished.

In addition, an operator at any end of the support rod 1 presses the hand-held handle 8/9 to form a lever fulcrum by the support seat 2, so that the grinding force of the grinding wheel 6 is adjusted.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.