CN113857257B - Automatic installation device and installation method for rolling mill roll collar - Google Patents
Automatic installation device and installation method for rolling mill roll collar Download PDFInfo
- Publication number
- CN113857257B CN113857257B CN202111313535.0A CN202111313535A CN113857257B CN 113857257 B CN113857257 B CN 113857257B CN 202111313535 A CN202111313535 A CN 202111313535A CN 113857257 B CN113857257 B CN 113857257B
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- screw rod
- roller ring
- hydraulic
- roller
- rolling mill
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- 238000005096 rolling process Methods 0.000 title claims abstract description 32
- 238000009434 installation Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
An automatic installation device and an installation method for a rolling mill roll collar. The invention comprises the following steps: the side of the cylinder is provided with a support rod connecting flange which is used for connecting the mechanical arm; the hydraulic motor is fixedly connected with the cover plate, and the cover plate is fixedly connected to the upper end of the cylinder; the transmission shaft is connected with the hydraulic motor; the screw is connected with the transmission shaft, the compression spring is sleeved on the transmission shaft, and the compression spring is extruded when the screw rises; the roller ring clamping mechanisms are arranged on two sides of the lower end of the cylinder body; the flatness detecting mechanism is arranged outside the cylinder body. The hydraulic motor drives the screw to rotate, so that the screw can be assembled and disassembled; the compression spring can compress the screw rod, so that the screw rod does not shake; clamping mechanisms are arranged on two sides of the roller ring for clamping and carrying; the flatness detection mechanism is arranged on the outer side of the cylinder body and used for detecting flatness after the roller ring is installed, so that the roller ring is automatically installed without manual participation.
Description
Technical Field
The invention relates to an automatic installation device and an 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 form factor. The precision of the roll collar is related to the quality of products, so that the roll collar (the replacement frequency of the roll collar is related to the steel passing amount) needs to be replaced in time due to the abrasion of the roll collar after rolling for a certain time by a rolling mill. The roll collar assembly mainly comprises a protective cap, a taper sleeve and a roll collar body. The taper sleeve is positioned between the main shaft of the rolling mill and the roll collar, the roll collar is tightly 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 arranged 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 automatically installing the taper sleeve/roll collar of the roll collar assembly of the rolling mill.
At present, the roller ring installation operation is carried out manually through a special hydraulic roller loading tool, the roller ring, the taper sleeve and the hydraulic roller loading tool are sequentially installed on a main shaft of a rolling mill manually, an installation bolt is screwed into the internal thread of the main shaft of the rolling mill, the bolt is screwed, the hydraulic roller loading tool presses the taper sleeve, the roller ring is fixed, and the roller loading operation is completed.
The roll collar is required to be replaced and maintained frequently, and the existing manual installation roll collar has the problems of repeated labor, high labor intensity, long replacement time, low efficiency, high working environment temperature, easy danger and the like.
Disclosure of Invention
The invention aims to provide an automatic installation device and an installation method for a rolling mill roll collar, which are combined with a mechanical arm to realize automatic operation of a roll loading process.
The above object is achieved by the following technical scheme:
an automatic rolling mill collar mounting device comprising:
the side of the cylinder is provided with a support rod connecting flange which is used for connecting the mechanical arm;
the hydraulic motor is fixedly connected with the cover plate, and the cover plate is fixedly connected to 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 is extruded when the screw rod ascends;
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 body.
The automatic installation device of the rolling mill roll collar is characterized in that the pin is positioned in 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 external threads, a linear bearing is arranged between the screw and the transmission shaft, and the screw slides up and down on the transmission shaft.
The automatic installation device of the rolling mill roll collar is characterized in that the transmission shaft is connected with the hydraulic motor through a key.
The automatic installation device of the rolling mill roll collar is characterized in that the screw is connected with the transmission shaft through a pin.
The automatic roller ring mounting device of the rolling mill comprises a roller ring clamping mechanism, wherein the roller ring clamping mechanism comprises a hydraulic cylinder, the hydraulic cylinder is connected with a clamping block, and the clamping block is mounted on a sliding rail and a sliding block.
The automatic mounting device for the rolling mill roll collar is characterized in that the flatness detection mechanism comprises a cylinder with a guide rod, the cylinder with the guide rod is connected with a sensor bracket, and the sensor bracket is connected with a laser sensor.
The automatic installation device of the rolling mill roll collar is characterized in that a photoelectric sensor is arranged on the outer side of the cylinder body and used for detecting the position of the screw rod.
According to the installation method of the automatic roller ring installation device of the rolling mill, the hydraulic roller installation tool is fixed in the cylinder, the automatic roller ring installation device is arranged on the roller ring and the taper sleeve by the mechanical arm, the roller ring is clamped by the roller ring clamping mechanism, and the automatic roller ring installation device, the taper sleeve and the roller ring are moved together by the mechanical arm and are installed on the main shaft;
The hydraulic motor is started to drive the screw rod to rotate, the screw rod is screwed into the internal thread of the main shaft of the rolling mill, and the rotation is stopped after the hydraulic pressure of the hydraulic motor reaches a preset pressure;
the roll collar clamping mechanism retracts to loosen the roll collar, the hydraulic roll loading tool is pressurized and pressed into the taper sleeve, and the roll collar is fixed through conical surface tensioning;
after the hydraulic roller loading tool feeds back the roller loading, the hydraulic motor reversely rotates, the screw rod is unscrewed, and the hydraulic motor stops rotating after the photoelectric sensor detects the screw rod;
the mechanical arm moves the automatic roller ring mounting device outwards, the roller ring is separated from the roller ring, the air cylinder with the guide rod of the flatness detection mechanism 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.
The invention has the beneficial effects that:
The hydraulic motor drives the screw to rotate, so that the screw can be assembled and disassembled; the compression spring can compress the screw rod, so that the screw rod does not shake; clamping mechanisms are arranged on two sides of the roller ring for clamping and carrying; the flatness detection mechanism is arranged on the outer side of the cylinder body and used for detecting flatness after the roller ring is installed, so that the roller ring is automatically installed without manual participation.
The invention reduces the labor intensity of workers and reduces the operation danger; the roller ring installation effect can be automatically detected, and the loss caused by unqualified installation is avoided.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a cross-sectional view A-A of fig. 1.
Fig. 3 is a B-B cross-sectional view of fig. 2.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides an automatic mounting device for a rolling mill roll collar, which utilizes the existing roll mounting tool to add a barrel, a clamping mechanism, a hydraulic motor, a sleeve, flatness detection and other mechanisms, and can be combined with a mechanical arm to realize automatic operation of a roll mounting process.
The invention 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 to the upper end of the cylinder 6; the transmission shaft 3 is connected with the hydraulic motor 1 through a key; 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 is provided with external threads, two sides of the screw rod are provided with long holes, the screw rod 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 compression spring 4 of the screw 5 is sleeved on the transmission shaft 3, and the compression spring is extruded when the screw 5 ascends.
The roll collar clamping mechanism 7 is arranged on two sides of the lower end of the cylinder body, the roll collar clamping mechanism 7 consists 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 consists 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.
The photoelectric sensor 9 is arranged outside the cylinder 6 and is used for detecting the position of the screw 5.
The hydraulic cylinder 7-1 may be replaced with a cylinder; the cylinder 8-1 with the guide rod can be replaced by other linear motion mechanisms.
Working principle:
The hydraulic roller loading tool is fixed inside the cylinder 6, the automatic roller ring mounting device is arranged on the roller ring 12 and the taper sleeve 11 by the mechanical arm, the roller ring is clamped by the roller ring clamping mechanism 7, and the automatic roller ring mounting device, the taper sleeve 11 and the roller ring 12 are moved together by the mechanical arm and are mounted on the main shaft. The hydraulic motor 1 starts to drive the screw rod to rotate, the screw rod is screwed into the internal thread of the main shaft of the rolling mill, and the rotation is stopped after the hydraulic pressure of the hydraulic motor reaches the preset pressure. The roll collar clamping mechanism 7 retracts to release the roll collar 12. The hydraulic roller mounting tool 13 is pressed into the taper sleeve 11, and the roller ring 12 is fixed through conical surface tensioning. After the hydraulic roller loading tool 13 feeds back the roller loading, the hydraulic motor 1 reversely rotates, the screw 5 is unscrewed, and the hydraulic motor stops rotating after the photoelectric sensor 9 detects the screw. The mechanical arm moves the automatic roller ring mounting device outwards, the roller ring is removed, the flatness detection mechanism cylinder extends out, the laser sensor detects the flatness of the roller ring surface, and the roller mounting operation is completed after the roller ring is qualified.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the 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 scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. An automatic installation device for a roll collar of a rolling mill, comprising:
the device comprises a cylinder body (6), wherein a support rod connecting flange is arranged on the side edge of the cylinder body (6), and the connecting flange is used for connecting a mechanical arm;
the hydraulic motor (1), the said hydraulic motor (1) is fixedly connected with cover plate (2), the said cover plate (2) is fixedly connected to the upper end of the cylinder (6);
the transmission shaft (3), the said transmission shaft (3) connects with hydraulic motor (1);
the screw rod (5), the screw rod (5) is connected with the transmission shaft (3), the compression spring (4) is sleeved on the transmission shaft (3), the compression spring (4) is extruded when the screw rod (5) ascends, the hydraulic motor (1) starts to drive the screw rod to rotate, the screw rod 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 roll collar clamping mechanisms (7) are arranged on two sides of the lower end of the cylinder body (6);
the flatness detection mechanism (8) is arranged outside the cylinder body (6);
The hydraulic roller mounting tool (13), the hydraulic roller mounting tool (13) is fixed inside the cylinder body (6), the hydraulic roller mounting tool (13) is pressurized and pressed into the taper sleeve (11), and the roller ring (12) is fixed through conical surface tensioning;
The pin is located in the long holes on two sides of the screw rod (5), one end of the screw rod (5) is provided with a hole, the other end of the screw rod (5) is provided with external threads, a linear bearing (10) is arranged between the screw rod (5) and the transmission shaft (3), and the screw rod (5) slides up and down on the transmission shaft (3).
2. The automatic rolling mill roll collar mounting device according to claim 1, wherein the transmission shaft (3) is connected with the hydraulic motor (1) by a key.
3. The automatic rolling mill roll collar mounting device according to claim 1, wherein the screw (5) is connected with the transmission shaft (3) through a pin.
4. The automatic roller ring mounting device of the rolling mill according to claim 1, wherein the roller ring 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 sliding block (7-2).
5. The automatic rolling mill roll collar mounting device according to claim 1, wherein the flatness detection mechanism (8) comprises a cylinder with a guide rod (8-1), the cylinder with the guide rod (8-1) is connected with a sensor bracket, and the sensor bracket is connected with a laser sensor (8-2).
6. The automatic rolling mill roll collar mounting device according to claim 1, wherein a photoelectric sensor (9) is arranged on the outer side of the cylinder (6) and used for detecting the position of the screw (5).
7. An installation method of the automatic roller ring installation device of the rolling mill by using the device of any one of claims 1 to 6, which is characterized in that a hydraulic roller installation tool (13) is fixed inside a cylinder body (6), a mechanical arm places the automatic roller ring installation device on a roller ring (12) and a taper sleeve (11), a roller ring clamping mechanism (7) clamps the roller ring, and the mechanical arm moves the hydraulic roller installation tool (13), the taper sleeve (11) and the roller ring (12) together and installs the roller ring on a main shaft;
The hydraulic motor (1) is started to drive the screw rod (5) to rotate, the screw rod is screwed into the internal thread of the main shaft of the rolling mill, and the rotation is stopped after the hydraulic pressure of the hydraulic motor (1) reaches a preset pressure;
The roll collar clamping mechanism (7) retracts to loosen the roll collar (12), the hydraulic roll loading tool (13) is pressurized and pressed into the taper sleeve (11), and the roll collar (12) is fixed through conical surface tensioning;
After the hydraulic roller loading tool (13) feeds back the roller loading, the hydraulic motor (1) reversely rotates, the screw rod (5) is unscrewed, and after the photoelectric sensor (9) detects the screw rod, the hydraulic motor (1) 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, a guide rod-carrying cylinder (8-1) of the flatness detection mechanism (8) extends out, a laser sensor (8-2) detects the flatness of the surface of the roller ring, and the roller mounting operation is completed after the flatness is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111313535.0A CN113857257B (en) | 2021-11-08 | Automatic installation device and installation method for rolling mill roll collar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111313535.0A CN113857257B (en) | 2021-11-08 | Automatic installation device and installation method for rolling mill roll collar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113857257A CN113857257A (en) | 2021-12-31 |
| CN113857257B true CN113857257B (en) | 2024-06-28 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246876A (en) * | 2020-11-05 | 2021-01-22 | 安徽中钢诺泰工程技术有限公司 | Manipulator for disassembling and assembling roller ring |
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246876A (en) * | 2020-11-05 | 2021-01-22 | 安徽中钢诺泰工程技术有限公司 | Manipulator for disassembling and assembling roller ring |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 3 / F, Xindeng incubator office building, Yungang Road, Chenglingji Xingang District, Yueyang City, Hunan Province, 414000 Applicant after: Hunan strict Intelligent Technology Co.,Ltd. Address before: 3 / F, Xindeng incubator office building, Yungang Road, Chenglingji Xingang District, Yueyang City, Hunan Province, 414000 Applicant before: HARBIN INSTITUTE OF TECHNOLOGY ROBOTIC MANUFACTURING Co.,Ltd. |
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| GR01 | Patent grant |