CN219378428U - Quick roll changing locking device for rolling mill frame - Google Patents
Quick roll changing locking device for rolling mill frame Download PDFInfo
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- CN219378428U CN219378428U CN202320437722.8U CN202320437722U CN219378428U CN 219378428 U CN219378428 U CN 219378428U CN 202320437722 U CN202320437722 U CN 202320437722U CN 219378428 U CN219378428 U CN 219378428U
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- cylinder rod
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- roll
- rod
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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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a quick roll changing locking device of a steel rolling frame, which comprises a hydraulic telescopic device and a compensating device, wherein the hydraulic telescopic device comprises a cylinder rod, a dust ring, a rod seal, a plug seal, a retainer ring, a guide ring, a cylinder body, a cylinder tail and a joint; the top of the front end of the cylinder rod is provided with a compensation device which is arranged as an adjustable inclined stop block, so that the axial force of the cylinder rod is balanced when the upper and lower processing inclined planes of the head of the cylinder rod act with the upper and lower symmetrical inclined planes of the locking surface of the rolling mill, the inclined stop block symmetrical to the locking surface of the machine frame is welded above the locking surface of the machine frame, and a group of butterfly springs are arranged on the inclined stop block and used for compensating the deviation of the mounting and welding positions and compensating the abrasion of the sliding plate of the machine frame, thus the radial force of the upper and lower surfaces of the head of the cylinder rod acting with the upper and lower inclined planes of the machine frame is counteracted when the head of the cylinder rod is in a locking state, and the cylinder rod is free when being opened from the locking position.
Description
Technical Field
The utility model relates to the technical field of machining equipment, in particular to a quick roll changing locking device of a rolling mill frame.
Background
Hydraulic cylinders are used for opening or locking the stand for quick roll changing operation in the on-line fixing of the bar and wire short stress rolling mill and the strip steel stand. In the locking state with a longer roll changing period, such as more than half a month, because the rolling mill is shifted after being impacted, individual locking cylinders are stressed too much and are not opened frequently, at the moment, the locking cylinder fixing screws are required to be disassembled for treatment, the treatment time is longer, and the requirement of quick roll changing is seriously influenced.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a quick roll changing locking device of a steel rolling frame.
The aim of the utility model is achieved by the following technical scheme: a locking device for quick roll replacement of a steel rolling frame comprises a cylinder rod, a dust ring, a rod seal, a plug seal, a retainer ring, a guide ring, a cylinder body, a cylinder tail, a joint and a compensation device; the cylinder rod is in a revolving body shape, an inclined plane matched with the locking surface of the rolling mill is arranged at the lower part of one end of the top, a plug seal, a check ring and a guide ring are arranged at the other end of the cylinder rod, and the plug seal is arranged at the rear part of the check ring; the cylinder rod is in telescopic sliding connection in the cylinder body, a front sliding cavity matched with the front end of the cylinder rod is arranged at the front end of the cylinder rod, a rear sliding cavity matched with the rear end of the cylinder rod is arranged at the rear end of the cylinder rod, and the plug seal, the check ring and the guide ring are arranged in the rear sliding cavity in a sliding connection mode; the rear end of the rear sliding cavity of the cylinder body is provided with a cylinder tail seal, a joint communicated with the rear sliding cavity is arranged on the cylinder tail, and the front end of the rear sliding cavity of the cylinder body is provided with an oil liquid port; a compensating device is arranged at the top of the front end of the cylinder rod.
Preferably, a supporting sleeve is sleeved at the front end of the cylinder rod, the supporting sleeve is embedded in the front sliding cavity, and a dust ring is arranged in the supporting sleeve.
Preferably, a rod seal is provided at the rear end within the forward slide chamber.
Preferably, the upper part of the front end of the cylinder rod is provided with an inclined plane which is symmetrical to the lower part only, and the compensating device is contacted with the inclined plane of the upper part in the direction.
Preferably, the compensation device is configured as a movable stop.
Preferably, the compensation device comprises a pressing plate, a pressing plate groove and a fixing bolt; the compensation seat is fixedly arranged on the frame, the compensation seat is arranged as a square seat, a section of top of the compensation seat is fixedly provided with a pressing plate groove, a through hole is formed in the pressing plate groove, a pressing plate which is matched with the upper inclined surface of the cylinder rod in the direction of sliding is arranged below the pressing plate groove, and a fixing bolt is arranged on the pressing plate and penetrates through a through hole connecting nut.
Preferably, a hole is arranged below the through hole of the pressing plate, and a spring is arranged in the hole around the fixing bolt.
Preferably, the spring is a butterfly spring, and one end of the butterfly spring is in contact with the pressing plate.
The utility model has the following advantages: in the device, the axial force of the cylinder rod is balanced when the upper and lower processing inclined planes of the head part of the cylinder rod act with the upper and lower symmetrical inclined planes of the locking surface of the rolling mill, the inclined stop block symmetrical to the locking surface of the machine frame is welded above the locking surface of the machine frame, and a group of butterfly springs are arranged on the inclined stop block and used for compensating the deviation of the mounting and welding positions and compensating the abrasion of the machine frame sliding plate, so that the radial force of the upper and lower surfaces of the head part of the cylinder rod and the upper and lower inclined planes of the machine frame act with each other when the head part of the cylinder rod is in a locking state is counteracted, and the cylinder rod is free when being opened from the locking position.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure, a cylinder rod (1), a supporting sleeve (2), a dust ring (3), a rod seal (4), a plug seal (5), a retainer ring (6), a guide ring (7), a cylinder body (8), a cylinder tail (9), a joint (10), a pressing plate (11), a pressing plate groove (12), a butterfly spring (13), a fixing bolt (14) and a compensation seat (15).
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The rapid roll changing locking device for the steel rolling mill frame comprises a cylinder rod 1, a dust ring 3, a rod seal 4, a plug seal 5, a check ring 6, a guide ring 7, a cylinder body 8, a cylinder tail 9, a joint 10 and a compensation device. In the device, the cylinder rod 1 is a cylinder in a revolving body shape, an inclined plane matched with a rolling mill locking surface is arranged at the lower part of one end of the cylinder rod and used for pressing a rolling mill stand working surface, a plug seal 5, a check ring 6 and a guide ring 7 are arranged at the other end of the cylinder rod for driving a driving component to drive the cylinder rod to stretch, and the plug seal 5 is arranged behind the check ring 6 to seal the cylinder rod. In the device, the driving part can be a hydraulic rod body, the whole ring part can be set as a traditional hydraulic telescopic device, but one end of the cylinder rod 1 provided with an inclined plane is required to be fixedly arranged on the telescopic end of the cylinder rod. The device provides another hydraulic telescopic device, namely, a cylinder rod 1 is telescopic and slidingly connected in a cylinder body 8, a front sliding cavity matched with the front end of the cylinder rod 1 is arranged at the front end of the cylinder rod 1, a rear sliding cavity matched with the rear end of the cylinder rod 1 is arranged at the rear end of the cylinder rod 1, a plug seal 5, a retainer ring 6 and a guide ring 7 are slidingly connected in the rear sliding cavity, a rod body is formed in this way, finally, a cylinder tail 9 is arranged at the rear end of the rear sliding cavity of the cylinder body 8, a complete hydraulic cylinder body is formed by sealing, a joint 10 is arranged on the cylinder tail 9 and communicated with the rear sliding cavity for connecting a hydraulic pipe, and an oil port is arranged at the front end of the rear sliding cavity of the cylinder body 8 for connecting the hydraulic pipe; the device is provided with a compensation device at the top of the front end of the cylinder rod 1 to compensate the deviation caused by the installation and welding positions and the abrasion of the frame sliding plate, so that the radial forces of the upper and lower surfaces of the head of the cylinder rod 1 and the upper and lower inclined surfaces of the frame are counteracted when the head of the cylinder rod 1 is in a locking state, and the cylinder rod 1 is free when being opened from the locking position.
Preferably, in order to facilitate the sliding of the cylinder rod 1, a supporting sleeve 2 is sleeved at the front end of the cylinder rod 1, the supporting sleeve 2 is embedded in the front sliding cavity, and a dust-proof ring 3 is arranged in the supporting sleeve 2, so that the cylinder rod 1 can slide better and dust can be prevented from entering the front sliding cavity to influence the sliding effect; the rear end in the front sliding cavity is provided with a rod which is used for assisting in separating the front sliding cavity and the rear sliding cavity by a seal 4.
Preferably, for convenience of stress symmetry, the upper part of the front end of the cylinder rod 1 is provided with an inclined plane which is symmetrical with the lower part only, and the compensation device is contacted with the inclined plane of the upper part in a direction.
In another embodiment, the compensation means is embodied as a movable adjustable stop.
Preferably, the present embodiment provides a specific arrangement of the compensation device, and specifically, the compensation device includes a platen 11, a platen groove 12, and a fixing bolt 14. In this embodiment, the stand is fixedly provided with the compensation seat 15, the compensation seat 15 is a square seat, the top of the compensation seat 15 is fixedly provided with the platen groove 12, the platen groove 12 is provided with a through hole, the platen 11 which is matched with the upper inclined surface of the cylinder rod 1 is slidably arranged below the platen groove 12, the platen 11 is provided with the fixing bolt 14, and the fixing bolt 14 passes through the through hole to connect the nut, so that the platen 11 can be adjusted up and down by adjusting the top of the fixing bolt 14 to adjust the movable platen 11 to compensate by using the cylinder rod 1.
Preferably, for better automatic compensation adjustment, a hole is arranged below the through hole of the pressing plate 11, a spring is arranged in the hole around the fixing bolt 14, the spring is arranged as a butterfly-shaped spring 13, and one end of the butterfly-shaped spring 13 is in contact with the pressing plate 11.
In the device, the axial force of the cylinder rod is balanced when the upper and lower processing inclined planes of the head part of the cylinder rod act with the upper and lower symmetrical inclined planes of the locking surface of the rolling mill, the inclined stop block symmetrical to the locking surface of the machine frame is welded above the locking surface of the machine frame, and a group of butterfly springs are arranged on the inclined stop block and used for compensating the deviation of the mounting and welding positions and compensating the abrasion of the machine frame sliding plate, so that the radial force of the upper and lower surfaces of the head part of the cylinder rod and the upper and lower inclined planes of the machine frame act with each other when the head part of the cylinder rod is in a locking state is counteracted, and the cylinder rod is free when being opened from the locking position.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. A quick roll change locking device of a steel rolling frame is characterized in that: the device comprises a cylinder rod (1), a dust ring (3), a rod seal (4), a plug seal (5), a retainer ring (6), a guide ring (7), a cylinder body (8), a cylinder tail (9), a joint (10) and a compensation device; the cylinder rod (1) is arranged in a revolving body shape, an inclined plane matched with a locking surface of a rolling mill is arranged at the lower part of one end of the top, a plug seal (5), a check ring (6) and a guide ring (7) are arranged at the other end of the top, and the plug seal (5) is arranged behind the check ring (6); the cylinder rod (1) is telescopically and slidably connected in the cylinder body (8), a front sliding cavity matched with the front end of the cylinder rod (1) is formed in the front end of the cylinder rod (1), a rear sliding cavity matched with the rear end of the cylinder rod (1) is formed in the rear end of the cylinder rod (1), and the plug seal (5), the retainer ring (6) and the guide ring (7) are slidably connected in the rear sliding cavity; the rear end of the rear sliding cavity of the cylinder body (8) is provided with a cylinder tail (9) for sealing, a joint (10) is arranged on the cylinder tail (9) for communicating the rear sliding cavity, and the front end of the rear sliding cavity of the cylinder body (8) is provided with an oil liquid port; a compensating device is arranged at the top of the front end of the cylinder rod (1).
2. The roll-changing lock device of claim 1, wherein: the front end of the cylinder rod (1) is provided with a supporting sleeve (2), the supporting sleeve (2) is embedded in the front sliding cavity, and a dust ring (3) is arranged in the supporting sleeve (2).
3. The roll-changing lock device of claim 1, wherein: a rod seal (4) is arranged at the rear end in the front sliding cavity.
4. The roll-changing lock device of claim 1, wherein: the upper part of the front end of the cylinder rod (1) is provided with an inclined plane which is symmetrical with the lower part, and the compensation device is contacted with the inclined plane of the upper part.
5. The roll-changing lock device for a roll stand according to claim 1 or 4, wherein: the compensation device is provided as a movable adjustable stop.
6. The roll-changing lock device of claim 5, wherein: the compensation device comprises a pressing plate (11), a pressing plate groove (12) and a fixing bolt (14); the automatic compensation device is characterized in that a compensation seat (15) is fixedly arranged on the frame, the compensation seat (15) is arranged as a square seat, a section of top of the compensation seat (15) is fixedly provided with a pressure plate groove (12), a through hole is formed in the pressure plate groove (12), a pressure plate (11) which is matched with the upper inclined surface of the cylinder rod (1) in the direction of the upper inclined surface is slidably arranged below the pressure plate groove (12), a fixing bolt (14) is arranged on the pressure plate (11), and the fixing bolt (14) penetrates through a through hole connecting nut.
7. The roll-changing lock device of claim 6, wherein: holes are arranged below the through holes of the pressing plate (11), and springs are arranged in the holes around the fixing bolts (14).
8. The roll-changing lock device of claim 7, wherein: the spring is arranged as a butterfly-shaped spring (13), and one end of the butterfly-shaped spring (13) is contacted with the pressing plate (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320437722.8U CN219378428U (en) | 2023-03-09 | 2023-03-09 | Quick roll changing locking device for rolling mill frame |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320437722.8U CN219378428U (en) | 2023-03-09 | 2023-03-09 | Quick roll changing locking device for rolling mill frame |
Publications (1)
Publication Number | Publication Date |
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CN219378428U true CN219378428U (en) | 2023-07-21 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202320437722.8U Active CN219378428U (en) | 2023-03-09 | 2023-03-09 | Quick roll changing locking device for rolling mill frame |
Country Status (1)
Country | Link |
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CN (1) | CN219378428U (en) |
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2023
- 2023-03-09 CN CN202320437722.8U patent/CN219378428U/en active Active
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