CN112178003B - Working roll locking device of leveling machine bending roll cylinder and assembly method thereof - Google Patents
Working roll locking device of leveling machine bending roll cylinder and assembly method thereof Download PDFInfo
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- CN112178003B CN112178003B CN202010975817.6A CN202010975817A CN112178003B CN 112178003 B CN112178003 B CN 112178003B CN 202010975817 A CN202010975817 A CN 202010975817A CN 112178003 B CN112178003 B CN 112178003B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1404—Characterised by the construction of the motor unit of the straight-cylinder type in clusters, e.g. multiple cylinders in one block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
- F15B15/1452—Piston sealings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
- F15B15/1461—Piston rod sealings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3268—Mounting of sealing rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Actuator (AREA)
Abstract
The invention discloses a working roll locking device of a leveling machine roller cylinder, which comprises a cylinder body, a locking plate, a first plunger, a first sealing component, a second plunger and a second sealing component, wherein the first plunger is arranged in a first cavity of the cylinder body and used for enabling the locking plate to be switched from an unlocking state to a locking state, the first sealing component is arranged between the cylinder body and the first plunger, the second plunger is arranged in a second cavity of the cylinder body and used for enabling the locking plate to be switched from the locking state to the unlocking state, the second sealing component is arranged between the cylinder body and the second plunger, the first sealing component comprises a first transparent cover connected with the cylinder body and a first upper sealing ring arranged between the first transparent cover and the first plunger, and the second sealing component comprises a second transparent cover connected with the cylinder body and a first lower sealing ring arranged between the second transparent cover and the second plunger. The working roll locking device of the leveling machine bending cylinder can improve the sealing performance and reduce the occurrence of oil leakage. The invention also discloses an assembly method of the working roll locking device of the leveling machine roller cylinder.
Description
Technical Field
The invention belongs to the technical field of strip steel production equipment, and particularly relates to a working roll locking device of a bending roll cylinder of a leveling machine and an assembly method thereof.
Background
The working roller of the leveling machine is arranged into the housing from the operation side, the bearing seat is positioned in the C-shaped opening of the roller bending cylinder, and the roller bending cylinder clamps the working roller to perform roller bending action. The operation side bending roller cylinder is provided with a working roller locking device, and a locking plate of the locking device is driven by two plunger cylinders which are arranged on the inner side and the outer side of the bending roller cylinder in a forward and reverse direction, and when the plunger on the inner side acts, the locking plate is pushed to enter a locking groove of the bearing seat.
When the plunger cylinder is assembled, the guide ring and the dust ring are required to be arranged on the cylinder body, the sealing ring and the guide ring are arranged on the plunger rod, and then the cylinder body is arranged in the cylinder body, and in the process of arranging the plunger, the guide ring of the cylinder body can be extruded with the sealing ring and the guide post of the plunger, so that the sealing ring is damaged, the service life of the plunger cylinder is seriously influenced (the plunger cylinder can only be used for about 1 month), and jet-shaped oil leakage is caused. The locking cylinder and the roller bending cylinder are integrated, the roller bending cylinder needs to be replaced by replacing the locking cylinder, about 6 hours is needed, automatic roller replacement cannot be performed before treatment, manual locking is needed, and the time for 5-7 minutes is increased for each roller replacement.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a working roll locking device of a bending roll cylinder of a leveling machine, which aims to improve the sealing performance and reduce the occurrence of oil leakage.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the utility model provides a levelling machine roller cylinder work roller locking device, including the cylinder body, the locking board, set up in the first cavity of cylinder body and be used for making the locking board switch to locking state's first plunger by unblock state, set up in the second cavity of cylinder body and be used for making the locking board switch to unlocking state's second plunger and set up the second seal assembly between cylinder body and second plunger by locking state, first seal assembly includes the first lid that is connected with the cylinder body and sets up the first sealing washer between first lid and first plunger, second seal assembly includes the second lid that is connected with the cylinder body and sets up the first sealing washer down between second lid and second plunger.
The first through cover is in threaded connection with the cylinder body, a first mounting hole for allowing the first through cover to be inserted is formed in the first side wall of the cylinder body, and the first mounting hole is an internal threaded hole.
The first seal assembly further includes a first upper guide ring disposed between the first transparent cover and the first plunger.
And a second upper sealing ring and a second upper guide ring are arranged between the first plunger and the cylinder body, and the second upper sealing ring is positioned between the second upper guide ring and the first transparent cover.
The second through cover is in threaded connection with the cylinder body, a second mounting hole for allowing the second through cover to be inserted is formed in the second side wall of the cylinder body, and the second mounting hole is an internal threaded hole.
The second seal assembly further includes a first lower guide ring disposed between the second transparent cover and the second plunger.
A second lower sealing ring and a second lower guide ring are arranged between the second plunger and the cylinder body, and the second lower sealing ring is positioned between the second lower guide ring and the second transparent cover.
The invention also provides an assembly method of the work roll locking device of the leveling machine bending cylinder, which comprises the following steps:
s1, loading a first plunger into a first cavity of a cylinder body, wherein a second upper sealing ring and a second upper guide ring are arranged on the first plunger;
s2, mounting a first sealing assembly on the cylinder body, wherein the first sealing assembly is sleeved on the first plunger;
s3, loading a second plunger into a second cavity of the cylinder body, wherein a second lower sealing ring and a second lower guide ring are arranged on the second plunger;
s4, mounting a second sealing assembly on the cylinder body, and sleeving the second sealing assembly on the second plunger;
s5, mounting the locking plate on the cylinder body.
The working roll locking device of the bending roll cylinder of the leveling machine can improve sealing performance, reduce oil leakage, prolong service life, and reduce sealing damage caused by spare part assembly and the problems of unplanned shutdown or disordered production rhythm caused by the sealing damage.
Drawings
The present specification includes the following drawings, the contents of which are respectively:
FIG. 1 is a cross-sectional view of a work roll locking device for a temper mill roll cylinder of the present invention;
FIG. 2 is a schematic illustration of the connection of the plunger and seal assembly to the cylinder;
FIG. 3 is an exploded view of the plunger and seal assembly and cylinder;
FIG. 4 is an exploded view of the through cap and cylinder;
FIG. 5 is a schematic view of the structure of the locking plate;
marked in the figure as: 1. a fixing plate; 2. a locking groove; 3. a locking plate; 301. a first movable plate; 302. a second movable plate; 303. a connecting plate; 304. a protrusion; 4. a first plunger; 5. a second plunger; 6. a cylinder; 7. a first transparent cover; 8. a first upper seal ring; 9. a first upper guide ring; 10. a second upper seal ring; 11. a second upper guide ring; 12. a second transparent cover; 13. a first lower seal ring; 14. a first lower guide ring; 15. a second lower seal ring; 16. a second lower guide ring.
Detailed Description
The following detailed description of the embodiments of the invention, given by way of example only, is presented in the accompanying drawings to aid those skilled in the art in a more complete, accurate and thorough understanding of the inventive concepts and aspects of the invention, and to facilitate their practice.
It should be noted that, in the following embodiments, the "first" and "second" do not represent an absolute distinction between structures and/or functions, and do not represent a sequential order of execution, but are merely for convenience of description.
As shown in fig. 1 to 4, the present invention provides a work roll locking device of a leveling machine bending roll cylinder, comprising a cylinder body 6, a locking plate 3, a first plunger 4 arranged in a first cavity of the cylinder body 6 and used for switching the locking plate 3 from an unlocking state to a locking state, a first sealing assembly arranged between the cylinder body 6 and the first plunger 4, a second plunger 5 arranged in a second cavity of the cylinder body 6 and used for switching the locking plate 3 from the locking state to the unlocking state, and a second sealing assembly arranged between the cylinder body 6 and the second plunger 5, wherein the first sealing assembly comprises a first transparent cover 7 connected with the cylinder body 6 and a first upper sealing ring 8 arranged between the first transparent cover 7 and the first plunger 4, and the second sealing assembly comprises a second transparent cover 12 connected with the cylinder body 6 and a first lower sealing ring 13 arranged between the second transparent cover 12 and the second plunger 5.
Specifically, as shown in fig. 1, the locking plate 3 is configured to be switchable between a locked state and an unlocked state, and when the locking plate 3 is in the locked state, the locking plate 3 is inserted into the locking groove 2 on the fixing plate 1, and the locking plate 3 limits the fixing plate 1, so that the fixing plate 1 is kept fixed, the fixing plate 1 can no longer move, and the locking groove 2 is a groove formed in a side surface of the fixing plate 1 facing the cylinder 6. The fixed plate 1 is fixedly connected with the bearing seat, the working roll is arranged on the bearing seat through the bearing, the working roll and the fixed plate 1 are driven to synchronously move when the bearing seat moves, and after the position of the fixed plate 1 is fixed by the locking plate 3, the bearing seat and the working roll can not move any more, and the working roll is positioned. When the locking plate 3 is in an unlocking state, the locking plate 3 is pulled out of the locking groove 2 on the fixed plate 1, the locking plate 3 can not limit the fixed plate 1 any more, and the bearing seat, the working roller and the fixed plate 1 can synchronously move.
As shown in fig. 1 to 4, the first cavity and the second cavity are two cylindrical cavities arranged in the cylinder 6, hydraulic oil is provided in the first cavity and the second cavity, axes of the first cavity and the second cavity are parallel, the axes of the first cavity and the second cavity are vertical to the axes of the working roller in space, and when the locking plate 3 is switched between the locking state and the unlocking state, the moving direction of the locking plate 3 is parallel to the axes of the first cavity and the second cavity. The locking plate 3 is in contact with a first plunger 4 and a second plunger 5, the first plunger 4 and the second plunger 5 being cylindrical. One end of the first plunger 4 is located in the first cavity, the other end of the first plunger 4 is in contact with the locking plate 3, and the first transparent cover 7 is sleeved on the first plunger 4. One end of the second plunger 5 is located in the second cavity, the other end of the second plunger 5 is in contact with the locking plate 3, and the second penetrating cover 12 is sleeved on the second plunger 5. After the hydraulic oil enters the first cavity, the first plunger 4 moves axially under the hydraulic pushing, and the first plunger 4 pushes the locking plate 3 to move, so that the locking plate 3 is switched from an unlocking state to a locking state, and finally the locking plate 3 is embedded into the locking groove 2 on the fixed plate 1. After the hydraulic oil enters the second cavity, the second plunger 5 moves axially under the hydraulic pushing, and the second plunger 5 pushes the locking plate 3 to move, so that the locking plate 3 is switched from the locking state to the unlocking state, and finally the locking plate 3 is pulled out of the locking groove 2 on the fixed plate 1.
As shown in fig. 1 to 4, the first transparent cover 7 is in threaded connection with the cylinder 6, and a first mounting hole for inserting the first transparent cover 7 is provided in a first side wall of the cylinder 6, and is an internal threaded hole. The first cover 7 is of a circular ring structure, external threads are arranged on the outer circular surface of the first cover 7, the first plunger 4 penetrates through the central hole of the first cover 7, the first plunger 4 and the first cover 7 are coaxially arranged, and the diameter of the central hole of the first cover 7 is identical to the diameter of the first cavity. The first sealing assembly further comprises a first upper guide ring 9 arranged between the first transparent cover 7 and the first plunger 4, the first upper guide ring 9 is a circular guide ring, and the first plunger 4 is supported and guided to avoid shaking. In the axial direction of the first transparent cover 7, the first upper guide ring 9 is located between the first upper seal ring 8 and the first cavity, and the first upper seal ring 8 is located outside the first upper guide ring 9. The inner circular surface of the first upper sealing ring 8 is contacted with the outer circular surface of the first plunger 4, and two grooves for accommodating the first upper sealing ring 8 and the first upper guide ring 9 are respectively arranged on the inner circular surface of the first transparent cover 7.
As shown in fig. 1 to 4, a second upper sealing ring 10 and a second upper guiding ring 11 are arranged between the first plunger 4 and the cylinder 6, the second upper sealing ring 10 is positioned between the second upper guiding ring 11 and the first transparent cover 7, and the second upper guiding ring 11 is a circular ring-shaped guiding ring and has supporting and guiding functions on the first plunger 4. The outer circular surfaces of the second upper guide ring 11 and the second upper seal ring 10 are contacted with the inner circular surface of the first cavity, and two grooves for accommodating the second upper seal ring 10 and the second upper guide ring 11 are respectively arranged on the outer circular surface of the first plunger 4. The first upper seal ring 8 is used for preventing dust and other impurities in the external environment from entering the first cavity, and the second upper seal ring 10 is used for preventing hydraulic oil in the first cavity from leaking. The second upper sealing ring 10 and the second upper guiding ring 11 are located in the first cavity, the first plunger 4 and the second upper guiding ring 11, the second upper sealing ring 10, the first upper guiding ring 9 and the first upper sealing ring 8 are coaxially arranged, and the second upper guiding ring 11, the second upper sealing ring 10, the first upper guiding ring 9 and the first upper sealing ring 8 are sequentially arranged along the axial direction of the first plunger 4. When the locking plate 3 is in a locking state, the first plunger 4 extends out of the first side wall of the cylinder body 6, the first plunger 4 extends out to the maximum extent, at this time, a certain distance is reserved between the second upper sealing ring 10 and the first transparent cover 7, the second upper sealing ring 10 does not move into the central hole of the first transparent cover 7, the second upper sealing ring 10 is still in the first cavity, namely, when the first plunger 4 extends out to the maximum extent, the second upper sealing ring 10 on the first plunger 4 does not reach the joint of the first transparent cover 7 and the cylinder body 6, so that the sealing ring cannot be damaged in the use process, and the sealing reliability is ensured.
As shown in fig. 1 to 4, the second transparent cover 12 is in threaded connection with the cylinder body 6, a second mounting hole for inserting the second transparent cover 12 is formed in a second side wall of the cylinder body 6, the second mounting hole is an internal threaded hole, and a first side wall and a second side wall of the cylinder body 6 are opposite side walls on the cylinder body 6. The second through cover 12 is of a circular ring structure, external threads are arranged on the outer circular surface of the second through cover 12, the second plunger 5 penetrates through the central hole of the second through cover 12, the second plunger 5 and the second through cover 12 are coaxially arranged, and the diameter of the central hole of the second through cover 12 is the same as the diameter of the second cavity. The second sealing assembly further comprises a first lower guide ring 14 arranged between the second transparent cover 12 and the second plunger 5, wherein the first lower guide ring 14 is a circular guide ring and plays a role in supporting and guiding the second plunger 5. In the axial direction of the second transparent cover 12, the first lower guide ring 14 is located between the first lower seal ring 13 and the second cavity, and the first lower seal ring 13 is located outside the first lower guide ring 14. The inner circular surface of the first lower sealing ring 13 is contacted with the outer circular surface of the second plunger 5, and two grooves for accommodating the first lower sealing ring 13 and the first lower guide ring 14 are respectively arranged on the inner circular surface of the second transparent cover 12.
As shown in fig. 1 to 4, a second lower sealing ring 15 and a second lower guide ring 16 are arranged between the second plunger 5 and the cylinder 6, the second lower sealing ring 15 is positioned between the second lower guide ring 16 and the second transparent cover 12, and the second lower guide ring 16 is a circular guide ring and plays a role in supporting and guiding the second plunger 5. The outer circular surfaces of the second lower guide ring 16 and the second lower seal ring 15 are in contact with the inner circular surface of the second cavity, and two grooves for accommodating the second lower seal ring 15 and the second lower guide ring 16 are respectively arranged on the outer circular surface of the second plunger 5. The first lower seal ring 13 is used for preventing dust and other impurities in the external environment from entering the second cavity, and the second lower seal ring 15 is used for preventing hydraulic oil in the second cavity from leaking. The second lower sealing ring 15 and the second lower guiding ring 16 are located in the second cavity, the second plunger 5 and the second lower guiding ring 16, the second lower sealing ring 15, the first lower guiding ring 14 and the first lower sealing ring 13 are coaxially arranged, and the second lower guiding ring 16, the second lower sealing ring 15, the first lower guiding ring 14 and the first lower sealing ring 13 are sequentially arranged along the axial direction of the second plunger 5. When the locking plate 3 is in the unlocking state, the second plunger 5 extends out of the second side wall of the cylinder body 6, the second plunger 5 extends out to the maximum extent, at this time, a certain distance is reserved between the second lower sealing ring 15 and the second transparent cover 12, the second lower sealing ring 15 does not move into the central hole of the second transparent cover 12, the second lower sealing ring 15 is still in the second cavity, namely, when the second plunger 5 extends out to the maximum extent, the second lower sealing ring 15 on the second plunger 5 does not reach the joint of the second transparent cover 12 and the cylinder body 6, so that the sealing ring cannot be damaged in the use process, and the sealing reliability is ensured.
As shown in fig. 1 and 5, when the locking plate 3 is switched between the unlocked state and the locked state, the cylinder 6 plays a guiding role on the locking plate 3 to guide the locking plate 3 to move linearly, the cylinder 6 has a guiding groove for embedding the locking plate 3, the guiding groove is a rectangular groove arranged inside the cylinder 6, and the guiding groove is located between the first cavity and the second cavity. The locking plate 3 comprises a first movable plate 301, a second movable plate 302, a protrusion 304 arranged on the first movable plate 301 and a connecting plate 303 connected with the first movable plate 301 and the second movable plate 302, wherein the connecting plate 303 has a certain length, the length direction of the connecting plate 303 is parallel to the axis of the first plunger 4, one end of the first movable plate 301 in the length direction of the connecting plate 303 is fixedly connected, the other end of the second movable plate 302 in the length direction of the connecting plate 303 is connected, the connecting plate 303 is positioned between the first plunger 4 and the second plunger 5, the connecting plate 303 is embedded into a guide groove of the cylinder body 6, and the connecting plate 303 is a rectangular plate and is matched with the shape of the guide groove. The first movable plate 301 is located between the cylinder 6 and the fixed plate 1, and the first movable plate 301 is in contact with the end face of the first plunger 4. A protrusion 304 is fixedly provided on the first movable plate 301, the protrusion 304 is for being embedded in the locking groove 2 on the fixed plate 1, and the shape of the protrusion 304 is matched with the shape of the locking groove 2. When the locking plate 3 is in the locked state, the protrusions 304 are embedded in the locking grooves 2; when the locking plate 3 is to be switched to the unlocked state, the projection 304 is withdrawn from the locking groove 2. The second movable plate 302 is located outside the cylinder 6, the second movable plate 302 is in contact with the end face of the second plunger 5, the cylinder 6 is located between the first movable plate 301 and the second movable plate 302, the first movable plate 301 and the second movable plate 302 are parallel, and the first movable plate 301 and the second movable plate 302 are vertically connected with the connecting plate 303.
Preferably, the first movable plate 301, the connecting plate 303 and the protrusions 304 are fixedly connected into a whole, and the second movable plate 302 and the connecting plate 303 are connected through bolts, so that the assembly and the disassembly are convenient.
The invention also provides an assembly method of the work roll locking device of the bending roll cylinder of the leveling machine, which comprises the following steps:
s1, loading a first plunger 4 into a first cavity of a cylinder body 6, wherein a second upper sealing ring 10 and a second upper guide ring 11 are arranged on the first plunger 4;
s2, mounting a first sealing assembly on the cylinder body 6, wherein the first sealing assembly is sleeved on the first plunger 4;
s3, loading the second plunger 5 into a second cavity of the cylinder body 6, wherein a second lower sealing ring 15 and a second lower guide ring 16 are arranged on the second plunger 5;
s4, mounting a second sealing assembly on the cylinder body 6, wherein the second sealing assembly is sleeved on the second plunger 5;
s5, mounting the locking plate 3 on the cylinder body 6.
In the above step S1, the second upper seal ring 10 and the second upper guide ring 11 are located in the first cavity of the cylinder 6.
In the step S2, the first transparent cover 7 is mounted in the first mounting hole of the cylinder 6, the first transparent cover 7 is screwed, and the first transparent cover 7 and the cylinder 6 are bonded by using the screw locking glue, so as to avoid loosening of the transparent cover. The first transparent cover 7 is internally provided with a first upper sealing ring 8 and a first upper guide ring 9, the first transparent cover 7 is sleeved on the first plunger 4, and the first upper sealing ring 8 and the first upper guide ring 9 are positioned between the first transparent cover 7 and the first plunger 4. The first plunger 4 with the sealing ring and the guide ring is firstly installed, and then the transparent cover with the guide ring and the sealing ring is installed to the cylinder body 6, so that the damage of the sealing ring caused by scraping the sealing ring of the plunger and the guide ring in the first transparent cover 7 during the later installation of the plunger is avoided, and the sealing reliability is ensured.
In the above step S3, the second lower seal ring 15 and the second lower guide ring 16 are located in the second cavity of the cylinder 6.
In the step S4, the second transparent cover 12 is mounted in the second mounting hole of the cylinder 6, the second transparent cover 12 is screwed, and the second transparent cover 12 and the cylinder 6 are bonded by the screw locking glue, so as to avoid loosening of the transparent cover. A first lower sealing ring 13 and a first lower guide ring 14 are arranged in the second transparent cover 12, the second transparent cover 12 is sleeved on the second plunger 5, and the first lower sealing ring 13 and the first lower guide ring 14 are positioned between the second transparent cover 12 and the second plunger 5. Because the second plunger 5 with the sealing ring and the guiding ring is firstly installed, and then the transparent cover with the guiding ring and the sealing ring is installed to the cylinder body 6, the damage of the sealing ring caused by scraping the sealing ring of the plunger and the guiding ring in the second transparent cover 12 when the plunger is installed later is avoided, and the sealing reliability is ensured.
In the step S5, the connecting plate 303 passes through the guide groove on the cylinder 6, and then the second movable plate 302 and the connecting plate 303 are fixedly connected together by bolts to form a locking plate, so that the first movable plate 301 is positioned outside the first plunger 4 and the first movable plate 301 is attached to the end face of the first plunger 4, and the second movable plate 302 is positioned outside the second plunger 5 and the second movable plate 302 is attached to the end face of the second plunger 5.
The invention is described above by way of example with reference to the accompanying drawings. It will be clear that the invention is not limited to the embodiments described above. As long as various insubstantial improvements are made using the method concepts and technical solutions of the present invention; or the invention is not improved, and the conception and the technical scheme are directly applied to other occasions and are all within the protection scope of the invention.
Claims (8)
1. The working roll locking device of the leveling machine roller cylinder is characterized by comprising a cylinder body, a locking plate, a first plunger, a first sealing component and a second sealing component, wherein the first plunger is arranged in a first cavity of the cylinder body and used for enabling the locking plate to be switched from an unlocking state to a locking state, the first sealing component is arranged between the cylinder body and the first plunger, the second plunger is arranged in a second cavity of the cylinder body and used for enabling the locking plate to be switched from the locking state to the unlocking state, the second sealing component is arranged between the cylinder body and the second plunger, the first sealing component comprises a first transparent cover connected with the cylinder body and a first upper sealing ring arranged between the first transparent cover and the first plunger, and the second sealing component comprises a second transparent cover connected with the cylinder body and a first lower sealing ring arranged between the second transparent cover and the second plunger;
the locking plate is arranged to be capable of being switched between a locking state and an unlocking state, when the locking plate is in the locking state, the locking plate is embedded into a locking groove on the fixing plate, the locking plate limits the fixing plate, the fixing plate is kept fixed, the fixing plate can not move any more, and the locking groove is a groove arranged on the side surface of the fixing plate, facing the cylinder body;
the fixed plate is fixedly connected with the bearing seat, the working roller is arranged on the bearing seat through a bearing, the bearing seat drives the working roller and the fixed plate to synchronously move when moving, and after the position of the fixed plate is fixed by the locking plate, the bearing seat and the working roller can not move any more, and the working roller is positioned;
when the locking plate is in an unlocking state, the locking plate is pulled out of the locking groove on the fixed plate, the locking plate can not limit the fixed plate any more, and the bearing seat, the working roller and the fixed plate can move synchronously;
the first cavity and the second cavity are two cylindrical cavities arranged in the cylinder body, hydraulic oil is arranged in the first cavity and the second cavity, the axes of the first cavity and the second cavity are parallel, the axes of the first cavity and the second cavity are vertical to the axes of the working roller in space, and when the locking plate is switched between a locking state and an unlocking state, the moving direction of the locking plate is parallel to the axes of the first cavity and the second cavity;
the locking plate is contacted with a first plunger and a second plunger, and the first plunger and the second plunger are cylinders; one end of the first plunger is positioned in the first cavity, the other end of the first plunger is in contact with the locking plate, and the first permeable cover is sleeved on the first plunger; one end of the second plunger is positioned in the second cavity, the other end of the second plunger is contacted with the locking plate, and the second penetrating cover is sleeved on the second plunger; after hydraulic oil enters the first cavity, the first plunger moves axially under the pushing of the hydraulic oil, and the first plunger pushes the locking plate to move, so that the locking plate is switched from an unlocking state to a locking state, and finally the locking plate is embedded into a locking groove on the fixed plate; after hydraulic oil enters the second cavity, the second plunger moves axially under the hydraulic pushing, and the second plunger pushes the locking plate to move, so that the locking plate is switched from a locking state to an unlocking state, and finally the locking plate is pulled out of the locking groove on the fixing plate.
2. The leveling machine roll cylinder work roll locking device according to claim 1, wherein the first through cover is in threaded connection with the cylinder body, and a first mounting hole for inserting the first through cover is formed in a first side wall of the cylinder body, and the first mounting hole is an internal threaded hole.
3. The temper mill roll cylinder work roll locking device of claim 1, wherein the first seal assembly further comprises a first upper guide ring disposed between the first pass through cap and the first plunger.
4. A leveling machine roll cylinder work roll locking device as set forth in any one of claims 1 to 3 wherein a second upper seal ring and a second upper guide ring are disposed between said first plunger and said cylinder, said second upper seal ring being located between said second upper guide ring and said first transparent cover.
5. A leveling machine roll cylinder work roll locking device according to any one of claims 1 to 3, wherein the second penetrating cover is in threaded connection with the cylinder body, and a second mounting hole for inserting the second penetrating cover is formed in a second side wall of the cylinder body, and the second mounting hole is an internal threaded hole.
6. A leveling machine roll cylinder work roll lock apparatus as set forth in any one of claims 1 to 3 wherein said second seal assembly further comprises a first lower guide ring disposed between said second pass through cover and said second plunger.
7. The leveling machine roll cylinder work roll locking device as set forth in claim 4 wherein a second lower seal ring and a second lower guide ring are disposed between said second plunger and said cylinder, said second lower seal ring being located between said second lower guide ring and said second cover.
8. The method of assembling a work roll locking device for a roll cylinder of a temper mill of claim 7, comprising the steps of:
s1, loading a first plunger into a first cavity of a cylinder body, wherein a second upper sealing ring and a second upper guide ring are arranged on the first plunger;
s2, mounting a first sealing assembly on the cylinder body, wherein the first sealing assembly is sleeved on the first plunger;
s3, loading a second plunger into a second cavity of the cylinder body, wherein a second lower sealing ring and a second lower guide ring are arranged on the second plunger;
s4, mounting a second sealing assembly on the cylinder body, and sleeving the second sealing assembly on the second plunger;
s5, mounting the locking plate on the cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010975817.6A CN112178003B (en) | 2020-09-16 | 2020-09-16 | Working roll locking device of leveling machine bending roll cylinder and assembly method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010975817.6A CN112178003B (en) | 2020-09-16 | 2020-09-16 | Working roll locking device of leveling machine bending roll cylinder and assembly method thereof |
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| CN112178003A CN112178003A (en) | 2021-01-05 |
| CN112178003B true CN112178003B (en) | 2023-07-21 |
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