CN209969202U - Auxiliary centering device for roll changing push-pull cylinder of finishing mill - Google Patents
Auxiliary centering device for roll changing push-pull cylinder of finishing mill Download PDFInfo
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- CN209969202U CN209969202U CN201920370374.0U CN201920370374U CN209969202U CN 209969202 U CN209969202 U CN 209969202U CN 201920370374 U CN201920370374 U CN 201920370374U CN 209969202 U CN209969202 U CN 209969202U
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- pull cylinder
- walking frame
- cantilever
- finishing mill
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Abstract
The utility model relates to the technical field of hot rolling operation, in particular to an auxiliary centering device of a push-pull cylinder for roll changing of a finishing mill, which comprises a push-pull cylinder, a track and a walking frame; the push-pull cylinder is arranged towards the finishing mill; the track is arranged along the axis of the push-pull cylinder, and pulleys matched with the track are arranged on two opposite sides of the bottom of the walking frame; a cylindrical groove used for installing the push-pull cylinder is formed in one side, facing the push-pull cylinder, of the walking frame; an extension part is arranged on one side of the walking frame, which is far away from the push-pull cylinder, and a roller changing platform is arranged at the top of the extension part; the pulley is located between the cylindrical groove and the extension. The utility model discloses protect the pneumatic cylinder not worn and torn, prolonged the life of work piece and equipment, improved the stability of equipment, reduced the overhaul of the equipments time, reduced equipment outage rate, improved economic benefits.
Description
Technical Field
The utility model relates to a hot rolling operation technical field especially relates to supplementary heart device of finishing mill roll change push-and-pull cylinder.
Background
When the working roll of the hot rolling finishing mill is replaced, the push-pull cylinder is required to drive the movable supporting tool to convey the working roll. After the push-pull cylinder extends to a certain position, an operator needs to take the wood block and put the wood block under the oil cylinder for supporting, after a new working roller is arranged, the operator takes the wood block out again to complete the roller changing process, otherwise, the push-pull cylinder is easy to wear and even break or generate centering deviation. However, the finishing mill has high roll changing frequency, and the frequent reciprocating action causes the problems of sealing oil leakage, cylinder body scratching and the like of the hydraulic cylinder in less than one year, thereby seriously shortening the service life of the hydraulic cylinder.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a simple structure, easy operation are provided, the hydraulic cylinder is protected not by wearing and tearing, and the finish rolling mill roll change push-pull cylinder auxiliary centering device of the life of work piece and equipment has been prolonged.
In order to solve the technical problem, the utility model discloses a technical scheme be: the auxiliary centering device of the push-pull cylinder for roll changing of the finishing mill comprises the push-pull cylinder, a track and a walking frame;
the push-pull cylinder is arranged towards the finishing mill;
the track is arranged along the axis of the push-pull cylinder, and pulleys matched with the track are arranged on two opposite sides of the bottom of the walking frame;
a cylindrical groove used for installing the push-pull cylinder is formed in one side, facing the push-pull cylinder, of the walking frame;
an extension part is arranged on one side of the walking frame, which is far away from the push-pull cylinder, and a roller changing platform is arranged at the top of the extension part;
the pulley is positioned between the cylindrical groove and the extension part;
cantilevers are arranged on two opposite sides of the walking frame, one ends of the cantilevers, far away from the push-pull cylinder, are mounted on the walking frame through fasteners, and one ends of the cantilevers are located above the pulleys in the vertical direction;
the cantilever is obliquely and downwards arranged from one end far away from the push-pull cylinder to one end close to the push-pull cylinder;
the middle part of the cantilever is provided with a bend;
and an auxiliary guide wheel is arranged at one end of the cantilever close to the push-pull cylinder, and the distance between the auxiliary guide wheel and the slide rail is 5-10 mm.
In an alternative embodiment, one end of the cantilever is located at the same level as the axis of the push-pull cylinder.
In an alternative embodiment, the bent position of the cantilever and the slotted bottom of the cylindrical groove are positioned on the same plane.
In an alternative embodiment, the bending angle of the cantilever ranges from 90 ° to 120 °.
In an alternative embodiment, the distance between the auxiliary guide wheel and the slide rail is 5 mm.
The beneficial effects of the utility model reside in that: the utility model provides a supplementary heart device of finishing mill roll change push-and-pull cylinder, including the push-and-pull cylinder, track and walking frame, during the use, install the one end of push-and-pull cylinder on the cylindrical recess of walking frame, place the working roll on the roll change platform of extension, along with the motion of push-and-pull cylinder, the walking frame moves on the track, the relative both sides of walking frame are provided with the cantilever, be equipped with in the middle part of cantilever and bend, after the push-and-pull cylinder moved certain length, utilize the supplementary support of the auxiliary guide pulley of cantilever tip, can effectually place the push-and-pull cylinder and take place wearing and tearing or fracture. One end of the cantilever and the axis of the push-pull cylinder are arranged on the same horizontal plane, so that the centering operation of the working roll is facilitated, and the precision of the subsequent roll changing operation is improved. The bending position of the cantilever and the bottom of the groove of the cylindrical groove are arranged on the same plane, so that the stress condition of the push-pull cylinder is further improved, and the phenomenon that the push-pull cylinder falls down due to the self gravity when the length of the push-pull cylinder is too long is avoided. The bending of the cantilever plays a certain buffering protection role, so that the cantilever has certain self-adaptability. The distance between the auxiliary guide wheel and the sliding rail can be designed independently according to the use requirement and the performance of the push-pull cylinder. The utility model discloses protect the pneumatic cylinder not worn and torn, prolonged the life of work piece and equipment, improved the stability of equipment, reduced the overhaul of the equipments time, reduced equipment outage rate, improved economic benefits.
Drawings
Fig. 1 is a front view of a push-pull cylinder auxiliary centering device for roll changing of a finishing mill according to an embodiment of the present invention;
fig. 2 is a top view of the auxiliary centering device of the push-pull cylinder for roll changing of the finishing mill according to the embodiment of the present invention;
description of reference numerals:
1-push-pull cylinder;
2-a track;
3-a walking frame; 31-a pulley; 32-a cylindrical recess; 33-an extension; 34-roll changing platform; 35-a cantilever; 36-auxiliary guide wheels.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The utility model discloses the most crucial design lies in: when the device is used, one end of the push-pull cylinder is arranged on the cylindrical groove of the walking frame, the working roll is placed on the roll changing platform of the extension portion, the walking frame moves on the rail along with the movement of the push-pull cylinder, the cantilevers are arranged on two opposite sides of the walking frame, the middle of each cantilever is provided with a bend, and after the push-pull cylinder moves to a certain length, the auxiliary guide wheel at the end of each cantilever is used for assisting in supporting, so that the push-pull cylinder can be effectively placed to be abraded or broken.
Referring to fig. 1 to 2, the auxiliary centering device for the roll-changing push-pull cylinder of the finishing mill of the present invention includes a push-pull cylinder, a rail and a walking frame;
the push-pull cylinder is arranged towards the finishing mill;
the track is arranged along the axis of the push-pull cylinder, and pulleys matched with the track are arranged on two opposite sides of the bottom of the walking frame;
a cylindrical groove used for installing the push-pull cylinder is formed in one side, facing the push-pull cylinder, of the walking frame;
an extension part is arranged on one side of the walking frame, which is far away from the push-pull cylinder, and a roller changing platform is arranged at the top of the extension part;
the pulley is positioned between the cylindrical groove and the extension part;
cantilevers are arranged on two opposite sides of the walking frame, one ends of the cantilevers, far away from the push-pull cylinder, are mounted on the walking frame through fasteners, and one ends of the cantilevers are located above the pulleys in the vertical direction;
the cantilever is obliquely and downwards arranged from one end far away from the push-pull cylinder to one end close to the push-pull cylinder;
the middle part of the cantilever is provided with a bend;
and an auxiliary guide wheel is arranged at one end of the cantilever close to the push-pull cylinder, and the distance between the auxiliary guide wheel and the slide rail is 5-10 mm.
From the above description, the beneficial effects of the present invention are: when the device is used, one end of the push-pull cylinder is arranged on the cylindrical groove of the walking frame, the working roll is placed on the roll changing platform of the extension portion, the walking frame moves on the rail along with the movement of the push-pull cylinder, the cantilevers are arranged on two opposite sides of the walking frame, the middle of each cantilever is provided with a bend, and after the push-pull cylinder moves to a certain length, the auxiliary guide wheel at the end of each cantilever is used for assisting in supporting, so that the push-pull cylinder can be effectively placed to be abraded or broken.
Furthermore, one end of the cantilever and the axis of the push-pull cylinder are positioned on the same horizontal plane.
From the above description, one end of the cantilever and the axis of the push-pull cylinder are arranged on the same horizontal plane, so that the centering operation of the working roll is facilitated, and the precision of the subsequent roll changing operation is improved.
Furthermore, the bending position of the cantilever and the bottom of the slot of the cylindrical groove are positioned on the same plane.
From the above description, the bending position of the cantilever and the bottom of the slot of the cylindrical groove are arranged on the same plane, so that the stress condition of the push-pull cylinder is further improved, and the phenomenon that the push-pull cylinder falls down due to the self gravity when the length of the push-pull cylinder is too long is avoided.
Furthermore, the bending angle range of the cantilever is 90-120 degrees.
From the above description, the bending of the cantilever plays a certain role in buffering and protecting, so that the cantilever has a certain self-adaptability.
Further, the distance between the auxiliary guide wheel and the slide rail is 5 mm.
From the above description, the distance between the auxiliary guide wheel and the sliding rail can be designed autonomously according to the use requirement and the performance of the push-pull cylinder.
Referring to fig. 1 to fig. 2, a first embodiment of the present invention is: the auxiliary device of the roll changing push-pull cylinder 1 of the finishing mill comprises the push-pull cylinder 1, a track 2 and a walking frame 3;
the push-pull cylinder 1 is arranged towards the finishing mill;
the rail 2 is arranged along the axis of the push-pull cylinder 1, and pulleys 31 matched with the rail 2 are arranged on two opposite sides of the bottom of the walking frame 3;
a cylindrical groove 32 for installing the push-pull cylinder 1 is formed in one side, facing the push-pull cylinder 1, of the walking frame 3;
an extension part 33 is arranged on one side of the walking frame 3 away from the push-pull cylinder 1, and a roll changing platform 34 is arranged at the top of the extension part 33;
the pulley 31 is located between the cylindrical groove 32 and the extension 33;
the cantilever 35 is arranged from one end far away from the push-pull cylinder 1 to one end close to the push-pull cylinder 1 in an inclined and downward manner;
the middle part of the cantilever 35 is provided with a bend;
an auxiliary guide wheel 36 is arranged at one end, close to the push-pull cylinder 1, of the cantilever 35, and the distance between the auxiliary guide wheel 36 and the sliding rail is 5 mm-10 mm.
Referring to fig. 1 to 2, a second embodiment of the present invention is: the auxiliary device of the roll changing push-pull cylinder 1 of the finishing mill comprises the push-pull cylinder 1, a track 2 and a walking frame 3;
the push-pull cylinder 1 is arranged towards the finishing mill;
the rail 2 is arranged along the axis of the push-pull cylinder 1, and pulleys 31 matched with the rail 2 are arranged on two opposite sides of the bottom of the walking frame 3;
a cylindrical groove 32 for installing the push-pull cylinder 1 is formed in one side, facing the push-pull cylinder 1, of the walking frame 3;
an extension part 33 is arranged on one side of the walking frame 3 away from the push-pull cylinder 1, and a roll changing platform 34 is arranged at the top of the extension part 33;
the pulley 31 is located between the cylindrical groove 32 and the extension 33;
the cantilever 35 is arranged from one end far away from the push-pull cylinder 1 to one end close to the push-pull cylinder 1 in an inclined and downward manner;
the middle part of the cantilever 35 is provided with a bend;
an auxiliary guide wheel 36 is arranged at one end of the cantilever 35 close to the push-pull cylinder 1.
One end of the cantilever 35 is positioned on the same horizontal plane with the axis of the push-pull cylinder 1. The bent position of the cantilever 35 is in the same plane as the bottom of the slot of the cylindrical groove 32. The bending angle range of the cantilever 35 is 90-120 degrees. The distance between the auxiliary guide wheel 36 and the slide rail is 5 mm.
To sum up, the utility model provides a finishing mill roll change push-and-pull jar assists heart device, including push-and-pull jar, track and walking frame, during the use, install the one end of push-and-pull jar on the cylindrical recess of walking frame, place the working roll on the roll change platform of extension, along with the motion of push-and-pull jar, the walking frame moves on the track, is provided with the cantilever in the relative both sides of walking frame, is equipped with at the middle part of cantilever and bends, after the push-and-pull jar moved certain length, utilizes the supplementary guide pulley auxiliary stay of cantilever tip, can effectually place the push-and-pull jar and take place wearing and tearing or fracture. One end of the cantilever and the axis of the push-pull cylinder are arranged on the same horizontal plane, so that the centering operation of the working roll is facilitated, and the precision of the subsequent roll changing operation is improved. The bending position of the cantilever and the bottom of the groove of the cylindrical groove are arranged on the same plane, so that the stress condition of the push-pull cylinder is further improved, and the phenomenon that the push-pull cylinder falls down due to the self gravity when the length of the push-pull cylinder is too long is avoided. The bending of the cantilever plays a certain buffering protection role, so that the cantilever has certain self-adaptability. The distance between the auxiliary guide wheel and the sliding rail can be designed independently according to the use requirement and the performance of the push-pull cylinder. The utility model discloses protect the pneumatic cylinder not worn and torn, prolonged the life of work piece and equipment, improved the stability of equipment, reduced the overhaul of the equipments time, reduced equipment outage rate, improved economic benefits.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (5)
1. The auxiliary centering device for the roll changing push-pull cylinder of the finishing mill is characterized by comprising the push-pull cylinder, a track and a walking frame;
the push-pull cylinder is arranged towards the finishing mill;
the track is arranged along the axis of the push-pull cylinder, and pulleys matched with the track are arranged on two opposite sides of the bottom of the walking frame;
a cylindrical groove used for installing the push-pull cylinder is formed in one side, facing the push-pull cylinder, of the walking frame;
an extension part is arranged on one side of the walking frame, which is far away from the push-pull cylinder, and a roller changing platform is arranged at the top of the extension part;
the pulley is positioned between the cylindrical groove and the extension part;
cantilevers are arranged on two opposite sides of the walking frame, one ends of the cantilevers, far away from the push-pull cylinder, are mounted on the walking frame through fasteners, and one ends of the cantilevers are located above the pulleys in the vertical direction;
the cantilever is obliquely and downwards arranged from one end far away from the push-pull cylinder to one end close to the push-pull cylinder;
the middle part of the cantilever is provided with a bend;
and an auxiliary guide wheel is arranged at one end of the cantilever close to the push-pull cylinder, and the distance between the auxiliary guide wheel and the slide rail is 5-10 mm.
2. The finishing mill roll change push-pull cylinder auxiliary centering device of claim 1, wherein one end of the cantilever is located on the same horizontal plane as the axis of the push-pull cylinder.
3. The finishing mill roll-changing push-pull cylinder auxiliary centering device as claimed in claim 1, wherein the bending position of the cantilever and the slotted bottom of the cylindrical groove are located on the same plane.
4. The finishing mill roll-changing push-pull cylinder auxiliary centering device according to claim 1, wherein the bending angle range of the cantilever is 90-120 °.
5. The finishing mill roll-changing push-pull cylinder auxiliary centering device as claimed in claim 1, wherein the distance between the auxiliary guide wheel and the slide rail is 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920370374.0U CN209969202U (en) | 2019-03-22 | 2019-03-22 | Auxiliary centering device for roll changing push-pull cylinder of finishing mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920370374.0U CN209969202U (en) | 2019-03-22 | 2019-03-22 | Auxiliary centering device for roll changing push-pull cylinder of finishing mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209969202U true CN209969202U (en) | 2020-01-21 |
Family
ID=69255313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920370374.0U Active CN209969202U (en) | 2019-03-22 | 2019-03-22 | Auxiliary centering device for roll changing push-pull cylinder of finishing mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209969202U (en) |
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2019
- 2019-03-22 CN CN201920370374.0U patent/CN209969202U/en active Active
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