阅读说明：本技术 轧机辊环自动安装装置及安装方法 (Automatic installation device and installation method for roll collar of rolling mill ) 是由 赵鼎 谢永强 李先锋 王良 褚玉哲 陈述 何伟 于 2021-11-08 设计创作，主要内容包括：轧机辊环自动安装装置及安装方法。本发明包括：筒体,所述的筒体侧边安装有支杆连接法兰,所述的连接法兰用于连接机械臂；液压马达与盖板固定连接,所述的盖板连接固定在筒体上端；传动轴与液压马达连接；螺杆与传动轴连接,压缩弹簧套在传动轴上,所述的螺杆上升时会挤压压缩弹簧；辊环夹紧机构安装在所述的筒体下端两侧；平面度检测机构安装在所述的筒体外侧。本发明液压马达驱动螺杆旋转,可完成螺杆安装与拆卸；压缩弹簧可将螺杆压紧,不晃动；两侧安装有夹紧机构用于夹紧搬运辊环；筒体外侧装有平面度检测机构用于检测辊环安装完成后的平面度检测实现辊环自动安装,无需人工参与。(An automatic installation device and an installation method for a roll collar of a rolling mill. The invention comprises the following steps: the side edge of the cylinder body is provided with a support rod connecting flange which is used for connecting a mechanical arm; the hydraulic motor is fixedly connected with the cover plate, and the cover plate is fixedly connected with the upper end of the cylinder; the transmission shaft is connected with a hydraulic motor; the screw rod is connected with the transmission shaft, the compression spring is sleeved on the transmission shaft, and the compression spring can be extruded when the screw rod rises; the roll collar clamping mechanisms are arranged on two sides of the lower end of the cylinder body; the flatness detection mechanism is arranged on the outer side of the cylinder. The hydraulic motor drives the screw to rotate, and the screw can be mounted and dismounted; the compression spring can tightly press the screw rod without shaking; clamping mechanisms are arranged on two sides of the conveying roller ring and used for clamping the conveying roller ring; and a flatness detection mechanism is arranged on the outer side of the cylinder body and used for detecting flatness after the installation of the roll collar so as to realize automatic installation of the roll collar without manual participation.)

1. An automatic installation device for a rolling mill roll collar is characterized by comprising:

the side edge of the cylinder body (6) is provided with a support rod connecting flange, and the connecting flange is used for connecting a mechanical arm;

the hydraulic motor (1) is fixedly connected with the cover plate (2), and the cover plate (2) is fixedly connected with the upper end of the cylinder body (6);

the transmission shaft (3), the said transmission shaft (3) is connected with hydraulic motor (1);

the screw (5) is connected with the transmission shaft (3), the compression spring (4) is sleeved on the transmission shaft (3), and the compression spring (4) can be extruded when the screw (5) ascends;

the roll collar clamping mechanisms (7), the roll collar clamping mechanisms (7) are arranged on two sides of the lower end of the cylinder body (6);

and the flatness detection mechanism (8) is arranged on the outer side of the cylinder (6).

2. The automatic mounting device for the roll collars of the rolling mills as claimed in claim 1, characterized in that the pins are positioned in the long holes at both sides of the screw (5), one end of the screw (5) is provided with a hole, the other end of the screw (5) is provided with an external thread, a linear bearing (10) is arranged between the screw (5) and the transmission shaft (3), and the screw (5) slides up and down on the transmission shaft (3).

3. Automatic mounting device for rolling mill collars according to claim 1, characterized in that the transmission shaft (3) is keyed to the hydraulic motor (1).

4. Automatic mounting device for rolling mill collars according to claim 1, characterized in that the screw (5) is connected with the transmission shaft (3) by means of pins.

5. The automatic roll collar mounting device of a rolling mill according to claim 1, characterized in that the roll collar clamping mechanism (7) comprises a hydraulic cylinder (7-1), the hydraulic cylinder (7-1) is connected with a clamping block (7-3), and the clamping block is mounted on a sliding rail block (7-2).

6. The automatic mounting device for the rolling mill collars according to the claim 1, characterized in that the flatness detection mechanism (8) comprises a cylinder with guide rods (8-1), the cylinder with guide rods (8-1) is connected with a sensor bracket, and the sensor bracket is connected with a laser sensor (8-2).

7. The automatic mounting device for the roll collars of rolling mills according to claim 1, characterized in that a photoelectric sensor (9) is arranged outside the cylinder (6) and used for detecting the position of the screw (5).

8. An installation method using the automatic installation device of the roll collar of the rolling mill as claimed in claims 1 to 7, characterized in that a hydraulic roll-pressing tool (13) is fixed inside the cylinder (6), a mechanical arm places the automatic installation device of the roll collar on the roll collar (12) and the taper sleeve (11), a roll collar clamping mechanism (7) clamps the roll collar, and the mechanical arm moves the hydraulic roll-pressing tool (13) together with the taper sleeve (11) and the roll collar (12) and installs the hydraulic roll-pressing tool on the main shaft;

the hydraulic motor (1) is started to drive the screw (5) to rotate, the screw is screwed into the internal thread of the main shaft of the rolling mill, and the hydraulic motor (1) stops rotating after the hydraulic pressure reaches a preset pressure;

the roller ring clamping mechanism (7) retracts to loosen the roller ring (12), a hydraulic roller pressing tool (13) pressurizes, a taper sleeve (11) is pressed in, and the roller ring (12) is fixed through taper surface tensioning;

after the hydraulic roller loading tool (13) feeds back the completion of roller loading, the hydraulic motor (1) rotates reversely, the screw (5) is screwed out, and the hydraulic motor (1) stops rotating after the photoelectric sensor (9) detects the screw;

the mechanical arm moves the automatic roller ring mounting device outwards to separate from the roller ring, a cylinder (8-1) with a guide rod of the flatness detection mechanism (8) extends out, a laser sensor (8-2) detects the surface flatness of the roller ring, and the roller mounting operation is completed after the flatness is qualified.

Technical Field

The invention relates to an automatic installation device and an automatic installation method for a rolling mill roll collar.

Background

The collar assembly is mounted on the mill spindle for extruding the wire/rod to the desired profile dimensions. The precision of the roll collar is related to the product quality, so the roll collar needs to be replaced in time due to the abrasion of the roll collar after rolling for a certain time (the replacement frequency of the roll collar is related to the excessive steel quantity). The roller ring assembly is mainly divided into a protective cap, a taper sleeve and a roller ring body. The taper sleeve is positioned between the main shaft of the rolling mill and the roller collar, the roller collar is tensioned and fixed by matching with the conical surface of the main shaft of the rolling mill, and the outer end of the taper sleeve is provided with a nut in threaded connection with the main shaft. The protective cap is installed outside the taper sleeve and is fixedly connected with the inner thread of the main shaft through a screw rod. The invention is mainly used for the automatic installation of the taper sleeve/roll collar of the roll collar assembly of the rolling mill.

At present, the roll collar installation operation is carried out manually through a special hydraulic roller loading tool, the roll collar, a taper sleeve and the hydraulic roller loading tool are manually and sequentially installed on a main shaft of a rolling mill, an installation bolt is screwed into an internal thread of the main shaft of the rolling mill, the bolt is screwed, the hydraulic roller loading tool pressurizes and compresses the taper sleeve, the roll collar is fixed, and the roller loading operation is completed.

The roll collar needs frequent replacement and maintenance, and the existing manual installation of the roll collar has the conditions of repeated labor, high labor intensity, long replacement time, low efficiency, high temperature of working environment, easy occurrence of danger and the like.

Disclosure of Invention

The invention aims to provide an automatic installation device and an automatic installation method for a rolling mill roll collar, which are combined with a mechanical arm to realize automatic operation of a roll installation process.

The above purpose is realized by the following technical scheme:

an automatic roll collar mounting device for a rolling mill, comprising:

the side edge of the cylinder body is provided with a support rod connecting flange which is used for connecting a mechanical arm;

the hydraulic motor is fixedly connected with the cover plate, and the cover plate is fixedly connected with the upper end of the cylinder;

the transmission shaft is connected with the hydraulic motor;

the screw rod is connected with the transmission shaft, the compression spring is sleeved on the transmission shaft, and the compression spring can be extruded when the screw rod rises;

the roll collar clamping mechanisms are arranged on two sides of the lower end of the cylinder body;

and the flatness detection mechanism is arranged on the outer side of the cylinder body.

According to the automatic installation device for the rolling mill roll collar, the pin is located in the long holes on two sides of the screw, one end of the screw is provided with a hole, the other end of the screw is provided with an external thread, a linear bearing is arranged between the screw and the transmission shaft, and the screw slides up and down on the transmission shaft.

According to the automatic installation device for the rolling mill roll collar, the transmission shaft is connected with the hydraulic motor through a key.

According to the automatic installation device for the rolling mill roll collar, the screw is connected with the transmission shaft through a pin.

According to the automatic installation device for the roll collar of the rolling mill, the roll collar clamping mechanism comprises a hydraulic cylinder, the hydraulic cylinder is connected with a clamping block, and the clamping block is installed on a sliding block of a sliding rail.

According to the automatic installation device for the rolling mill roll collar, the flatness detection mechanism comprises a cylinder with a guide rod, the cylinder with the guide rod is connected with a sensor support, and the sensor support is connected with a laser sensor.

According to the automatic installation device for the rolling mill roll collar, a photoelectric sensor is arranged on the outer side of the cylinder and used for detecting the position of the screw.

A method for installing the automatic roller ring installation device of the rolling mill according to claims 1-7, wherein a hydraulic roller installation tool is fixed in the cylinder, a mechanical arm is used for placing the automatic roller ring installation device on the roller ring and the conical sleeve, a roller ring clamping mechanism is used for clamping the roller ring, and the mechanical arm is used for moving the automatic roller ring installation device together with the conical sleeve and the roller ring and installing the automatic roller ring installation device on the main shaft;

the hydraulic motor is started to drive the screw to rotate, the screw is screwed into the internal thread of the main shaft of the rolling mill, and the hydraulic motor stops rotating after the hydraulic pressure reaches a preset pressure;

the roller ring clamping mechanism retracts to loosen the roller ring, a hydraulic roller pressing tool is used for pressing and pressing the roller ring into the taper sleeve, and the roller ring is fixed through conical surface tensioning;

after the hydraulic roller loading tool feeds back the completion of roller loading, the hydraulic motor rotates reversely, the screw is screwed out, and the hydraulic motor stops rotating after the photoelectric sensor detects the screw;

the mechanical arm moves the automatic roller ring mounting device outwards to separate from the roller ring, the cylinder with the guide rod of the flatness detection mechanism extends out, the laser sensor detects the surface flatness of the roller ring, and the roller mounting operation is completed after the flatness is qualified.

The invention has the beneficial effects that:

the hydraulic motor drives the screw to rotate, and the screw can be mounted and dismounted; the compression spring can tightly press the screw rod without shaking; clamping mechanisms are arranged on two sides of the conveying roller ring and used for clamping the conveying roller ring; and a flatness detection mechanism is arranged on the outer side of the cylinder body and used for detecting flatness after the installation of the roll collar so as to realize automatic installation of the roll collar without manual participation.

The invention reduces the labor intensity of workers and reduces the operation danger; but automated inspection collars installation effect avoids the unqualified loss that causes of installation.

Description of the drawings:

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a sectional view a-a of fig. 1.

Fig. 3 is a sectional view B-B of fig. 2.

The specific implementation mode is as follows:

in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

The invention provides an automatic installation device for a roll collar of a rolling mill, which utilizes the existing roll installation tool to add a cylinder, a clamping mechanism, a hydraulic motor, a sleeve, a flatness detection mechanism and other mechanisms and can be combined with a mechanical arm to realize automatic operation of a roll installation process.

The device comprises a hydraulic motor 1, a cover plate 2, a transmission shaft 3, a compression spring 4, a screw 5, a cylinder 6, a roll collar clamping mechanism 7, a laser detection mechanism 8 and the like.

The hydraulic motor 1 is fixedly connected with the cover plate 2; the cover plate 2 is fixedly connected with the upper end of the cylinder 6; the transmission shaft 3 is connected with the hydraulic motor 1 in a key way; the screw rod 5 is connected with the transmission shaft 3 through a pin, one end of the screw rod 5 is provided with a hole, the other end of the screw rod 5 is provided with an external thread, two sides of the screw rod are provided with long holes which can slide up and down on the transmission shaft 3, and a linear bearing 10 is arranged between the screw rod 5 and the transmission shaft 3; the screw 5 and the compression spring 4 are sleeved on the transmission shaft 3, and the screw 5 can extrude the compression spring when rising.

The roller ring clamping mechanism 7 is arranged on two sides of the lower end of the cylinder body, the roller ring clamping mechanism 7 is composed of a hydraulic cylinder 7-1, a sliding rail sliding block 7-2 and a clamping block 7-3, the hydraulic cylinder 7-1 is connected with the clamping block 7-3, and the clamping block is arranged on the sliding rail sliding block 7-2.

The flatness detection mechanism 8 is arranged on the outer side of the cylinder body 6, the flatness detection mechanism 8 is composed of a cylinder 8-1 with a guide rod, a sensor support and a laser sensor 8-2, the cylinder 8-1 with the guide rod is connected with the sensor support, and the sensor support is connected with the laser sensor 8-2.

And a photoelectric sensor 9 is arranged on the outer side of the cylinder 6 and used for detecting the position of the screw 5.

The hydraulic cylinder 7-1 can be replaced by an air cylinder; the cylinder 8-1 with the guide rod can be replaced by other linear motion mechanisms.

The working principle is as follows:

the hydraulic roller pressing tool is fixed inside the cylinder 6, the mechanical arm places the automatic roller ring mounting device on the roller ring 12 and the taper sleeve 11, the roller ring clamping mechanism 7 clamps the roller ring, and the mechanical arm moves the automatic roller ring mounting device, the taper sleeve 11 and the roller ring 12 together and mounts the automatic roller ring mounting device on the main shaft. The hydraulic motor 1 is started to drive the screw to rotate, the screw is screwed into the internal thread of the main shaft of the rolling mill, and the hydraulic motor stops rotating after the hydraulic pressure reaches the preset pressure. The collar gripping mechanism 7 retracts to release the collar 12. The hydraulic roller pressing tool 13 presses the roller into the taper sleeve 11, and the roller ring 12 is fixed through taper surface tension. After the hydraulic roller loading tool 13 feeds back the completion of roller loading, the hydraulic motor 1 rotates reversely, the screw 5 is screwed out, and after the photoelectric sensor 9 detects the screw, the hydraulic motor stops rotating. The mechanical arm moves the automatic roller ring mounting device outwards, the automatic roller ring mounting device is separated from the roller ring and moved away, the flatness detection mechanism cylinder extends out, the laser sensor detects the flatness of the surface of the roller ring, and the roller mounting operation is completed after the flatness is qualified.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.