CN220837294U - Prestress opening type straightening machine frame - Google Patents
Prestress opening type straightening machine frame Download PDFInfo
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- CN220837294U CN220837294U CN202223342836.9U CN202223342836U CN220837294U CN 220837294 U CN220837294 U CN 220837294U CN 202223342836 U CN202223342836 U CN 202223342836U CN 220837294 U CN220837294 U CN 220837294U
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Abstract
The utility model belongs to the technical field of straightening equipment, and relates to a prestress opening type straightening machine frame, which comprises an upper frame and a lower frame, wherein one side of the upper frame is hinged with one side of the lower frame through a rotary unit, and the other side of the lower frame is longitudinally and symmetrically provided with rotary locking oil cylinders; an opening oil cylinder is arranged on one side close to the rotary unit, a cylinder barrel of the opening oil cylinder is arranged on the outer side of the lower frame in a hinged mode, and a first piston rod of the opening oil cylinder is hinged with the bottom of the upper frame. The rotary locking oil cylinder and the opening oil cylinder apply force together, so that the opening type rack forms a prestress frame structure, and the working process is ensured to be more stable and reliable; meanwhile, the prestress opening type straightening machine frame is of an opening type structure, so that workers can conveniently clean and maintain the inside of equipment, and particularly the roller box.
Description
Technical Field
The utility model belongs to the technical field of straightening equipment, and relates to a prestress opening type straightening machine frame.
Background
Along with the development of national economy and industrial technology, the requirements of users on various quality indexes of the plate and strip materials are higher and higher. In the process of rolling and producing a plate strip, waves are often generated due to uneven longitudinal extension of the strip in the width direction due to improper factors such as process parameters, installation level, shape of roll gaps and the like. The common technology has the defects of double-sided waves, single-sided waves, middle waves, double-rib waves and the like, and even has the defects of head-tail buckling, side bending, buckling, potential bad plate shape and the like. These defects, if not eliminated, affect the further processing of the strip, failing to meet the evolving market demands. In particular, in recent years, with the rapid development of intelligent manufacturing, high-precision dies are used in downstream processes such as painting, coating and stamping, so that the flatness of raw materials is strictly required, and the defective plate and strip is required to be subjected to flattening and straightening processes before the processes are carried out, so that the requirements of downstream production are met. In order to ensure the flatness of the plate and strip materials, the conventional precise straightener generally has a stable fixed structure, but the structure is inconvenient for cleaning and maintaining the roller box.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provide the prestress opening type straightening machine frame, which is enabled to form a prestress frame structure through the joint force application of the rotary locking oil cylinder and the opening oil cylinder, so that the working process is ensured to be more stable and reliable.
The utility model aims at solving the problems by the following technical scheme:
The prestress opening type straightening machine frame comprises an upper frame and a lower frame, wherein one side of the upper frame is hinged with one side of the lower frame through a rotary unit, and rotary locking oil cylinders are longitudinally and symmetrically arranged on the other side of the lower frame in a front-back manner; an opening oil cylinder is symmetrically arranged on one side, close to the rotary unit, of the rotary unit, a cylinder barrel of the opening oil cylinder is hinged with the outer side of the lower frame, a first piston rod of the opening oil cylinder is hinged with the bottom of the upper frame, and an oil cylinder shell of the rotary locking oil cylinder is arranged on the lower frame through an end flange.
Further, the rotary locking oil cylinder comprises an oil cylinder shell, a locating pin is arranged on the inner wall of the oil cylinder shell, a second piston rod is arranged in the oil cylinder shell, a locking part is arranged at the top end of the second piston rod, a rotating mechanism is arranged at the lower part of the second piston rod, a curved groove is formed in the peripheral wall of the rotating mechanism, and the curved groove is matched with the locating pin to restrain rotation of the rotating mechanism in the oil cylinder shell.
Further, the number of the locating pins and the number of the curve grooves are two, the two locating pins are symmetrically distributed on the inner wall of the oil cylinder shell, and the two curve grooves are centrally symmetrical with respect to the central shaft of the rotating mechanism.
Further, the locking part adopts a cuboid lock plate, and the cuboid lock plate is fixedly arranged at the top end of the second piston rod through a fastener.
Further, an upper frame window of the upper frame is provided with a cuboid lock plate position detection switch, and the upper surface of the lower frame at the corresponding position is provided with an upper frame position detection switch.
Further, each time the rotary locking oil cylinder runs through a stroke, the rotation angle of the second piston rod is 90 degrees.
Further, a limiting mechanism is arranged between the upper frame and the lower frame, and the limiting mechanism is arranged close to the side of the rotary locking oil cylinder.
Further, an anti-backlash mechanism for improving straightening precision is arranged between the upper frame and the lower frame, and the anti-backlash mechanism is arranged close to the rotary unit.
Further, the gap eliminating mechanism comprises a cylindrical shell fixedly arranged at the top of the lower rack, and a disc spring set is arranged in a cavity of the cylindrical shell; the guide rod is arranged in the cavity of the cylindrical shell and positioned at the top of the disc spring group, the top of the cylindrical shell is fixedly connected with a gland, one side of the large end of the guide rod is restrained in the cavity of the cylindrical shell through the cooperation of the gland and the cylindrical shell, and the top of the guide rod is contacted with the lower surface of the upper frame through the reaction force generated by the disc spring group.
Further, an upper roller box pressing mechanism is arranged on the upper frame, and the bottom end of the upper roller box pressing mechanism is fixedly connected with the upper roller box.
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects: on one hand, by the design of the rotary locking oil cylinder, the working positions of the upper rack are locked during working, so that the working positions of all the roller boxes are kept motionless, and the consistency of the produced plate and strip is higher; the rotary locking oil cylinder and the opening oil cylinder apply force together, so that the opening type rack forms a prestress frame structure, and the working process is ensured to be more stable and reliable; meanwhile, the prestress opening type straightening machine frame is of an opening type structure, so that workers can conveniently clean and maintain the inside of equipment, and particularly the roller box.
On the other hand, the rotary locking oil cylinder adopted in the frame has the advantages of simple structure, easy processing and low cost, and the locking part sleeved at the top of the piston rod can automatically lock the oil cylinder at the end of the stroke of the oil cylinder to keep the stroke of the oil cylinder; in addition, by installing the gap eliminating mechanism below the rotary unit, the gap caused by the rotary unit can be eliminated, and the straightening precision is ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate principles of the utility model and together with the description, serve to explain the principles of the utility model.
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic diagram showing a structure of a frame of a prestress opening type leveler when it is closed;
FIG. 2 is a schematic diagram of the structure of the prestressed openable straightener provided by the utility model when a rack is opened;
FIG. 3 is a schematic diagram of a rotary locking cylinder in a closed state of a frame of the prestress open type straightener provided by the utility model;
FIG. 4 is a schematic diagram of a rotary locking cylinder in an open state of a frame of a prestress open type straightener provided by the utility model;
Fig. 5 is a structural diagram of the anti-backlash mechanism provided by the utility model.
Wherein: 1. an upper frame; 2. a limiting mechanism; 3. rotating the locking oil cylinder; 4. a lower frame; 5. opening the oil cylinder; 6. a deflection adjusting mechanism of the lower roller box; 7. a lower roll box; 8. an anti-backlash mechanism; 9. a swivel unit; 10. an upper roller box; 11. an upper roller box pressing mechanism; 12. an upper housing window; 13. a rectangular lock plate position detection switch; 14. an upper rack position detection switch; 31. a locking part; 32. a second piston rod; 33. a rotating mechanism; 34. an oil cylinder housing; 35. a curved slot; 36. a positioning pin; 51. a cylinder; 52. a first piston rod; 81. a cylindrical housing; 82. a disc spring set; 83. a guide rod; 84. and (5) pressing cover.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the utility model. Rather, they are merely examples of devices that are consistent with aspects of the utility model that are set forth in the following claims.
The present utility model will be described in further detail below with reference to the drawings and examples for better understanding of the technical solutions of the present utility model to those skilled in the art.
Examples
Referring to fig. 1-2, the utility model provides a prestress opening type straightener frame, which comprises an upper frame 1 and a lower frame 4, wherein one side of the upper frame 1 is hinged with one side of the lower frame 4 through a rotary unit 9, and the other side of the lower frame 4 is longitudinally and symmetrically provided with rotary locking oil cylinders 3; an opening cylinder 5 is arranged on one side close to the rotary unit 9, a cylinder barrel 51 of the opening cylinder 5 is mounted on the outer side of the lower frame 4 in a hinged mode, a first piston rod 52 of the opening cylinder 5 is hinged with the bottom of the upper frame 1, and a cylinder shell 34 of the rotary locking cylinder 3 is mounted on the lower frame 4 through an end flange.
Further, as shown in fig. 3-4, the rotary locking cylinder 3 includes a cylinder housing 34, a positioning pin 36 is disposed on an inner wall of the cylinder housing 34, a second piston rod 32 is disposed in the cylinder housing 34, a locking portion 31 is mounted at a top end of the second piston rod 32, a rotation mechanism 33 is mounted at a lower portion of the second piston rod 32, a curved groove 35 is formed in a peripheral wall of the rotation mechanism 33, and the curved groove 35 cooperates with the positioning pin 36 to restrain rotation of the rotation mechanism 33 in the cylinder housing 34.
Further, the number of the positioning pins 36 and the number of the curved grooves 35 are two, the two positioning pins 36 are symmetrically distributed on the inner wall of the cylinder housing 34, and the two curved grooves 35 are centrally symmetrical with respect to the central axis of the rotating mechanism 33. The locating pin 36 is movable relative to the curved slot 35 when the second piston rod 32 is extended or retracted.
Further, the locking portion 31 is a rectangular parallelepiped lock plate, and the rectangular parallelepiped lock plate is fixedly mounted on the top end of the second piston rod 32 through a fastener.
Further, an upper frame window 12 of the upper frame 1 is provided with a cuboid lock plate position detection switch 13, and an upper frame position detection switch 14 is provided on the upper surface of the lower frame 4 at a corresponding position.
Further, the rotation angle of the second piston rod 32 is 90 degrees every time the rotation lock cylinder 3 runs out of one stroke.
Further, a limiting mechanism 2 is arranged between the upper frame 1 and the lower frame 4, and the limiting mechanism 2 is arranged close to the side of the rotary locking cylinder; the limiting mechanism 2 comprises a protruding structure positioned below the upper frame 1 and a recessed structure positioned above the lower frame 4, and the protruding structure is matched with the recessed structure to further fix the upper frame 1 and the lower frame 4.
Further, the upper roller box pressing mechanism 11 is arranged above the upper frame 1, the bottom end of the upper roller box pressing mechanism 11 is fixedly connected with the upper roller box 10, and the distance between the upper roller box 10 and the lower roller box 7 is adjusted by adjusting the pressing height of the upper roller box pressing mechanism 11.
Further, the lower frame 4 is provided with a lower roll cassette deflection adjusting mechanism 6 to homogenize the internal stress of the strip and improve the shape of the strip.
In summary, the specific opening or closing process of the prestress opening type straightener frame provided by the utility model is as follows:
When the upper frame 1 needs to be opened, the premise is that the rotary locking cylinder 3 is in an open state, and the opening process is as follows: when the second piston rod 32 stretches out under the drive of oil pressure, as the rotary mechanism 33 is arranged around the lower part of the second piston rod 32, the peripheral wall of the rotary mechanism 33 is provided with the curve groove 35, under the cooperation of the curve groove 35 and the positioning pin 36, the second piston rod 32 stretches out while rotating, and when the second piston rod 32 runs out, the second piston rod 32 just rotates for 90 degrees and simultaneously drives the cuboid lock plate to rotate for 90 degrees, so that the cuboid lock plate is consistent with the direction of the upper frame window 12 of the upper frame 1; meanwhile, the position of the cuboid lock plate is detected through the cuboid lock plate position detection switch 13, and after the cuboid lock plate position detection switch 13 sends a signal, the upper frame 1 can execute an opening instruction under the action of the opening oil cylinder 5.
When the upper frame 1 needs to be closed, the premise is that the rotary locking cylinder 3 is in an open state, and the cuboid lock plate position detection switch 13 is always in a signaling state. When the upper frame 1 is closed in place under the action of the opening oil cylinder 5, the upper frame position detection switch 14 arranged on the lower frame 4 detects that the upper frame 1 is closed in place and then starts to send a signal, and at the moment, the rotary locking oil cylinder 3 starts to execute a second piston rod 32 retraction instruction, so that the upper frame 1 and the lower frame 4 are further locked. When the second piston rod 32 is retracted under the drive of oil pressure, as the rotary mechanism 33 is installed around the lower part of the second piston rod 32, the peripheral wall of the rotary mechanism 33 is provided with the curved slot 35, under the cooperation of the curved slot 35 and the positioning pin 36, the second piston rod 32 is retracted while rotating, when the second piston rod 32 is retracted to the bottom, the second piston rod 32 just rotates for 90 degrees, and simultaneously drives the cuboid lock plate to rotate for 90 degrees, so that the cuboid lock plate forms 90 degrees with the direction of the upper frame window 12 of the upper frame 1, and the cuboid lock plate is pressed on the bottom surface of the upper frame window 12 to lock the upper frame 1 and the lower frame 4 together.
In addition, when overhauling the straightening machine frame, the premise is that the rotary locking oil cylinder 3 is in an opened state, the lower frame 4 is kept motionless, the first piston rod 52 is retracted downwards, the cylinder 51 rotates outwards by a certain angle around the pin shaft (see fig. 2), the upper frame 1 rotates around the rotary unit 9 under the tension of the first piston rod 52, and the opening action of the upper frame 1 is completed, so that the cleaning and maintenance of the equipment inside, particularly the cleaning and maintenance of the roller box, are facilitated for workers.
As shown in fig. 5, an anti-backlash mechanism 8 for improving the straightening precision is further arranged between the upper frame 1 and the lower frame 4, and the anti-backlash mechanism 8 is arranged close to the rotary unit. Specifically, as shown in fig. 3, the anti-backlash mechanism 8 includes a cylindrical housing 81 fixedly disposed on the top of the lower frame 4, and a disc spring set 82 is disposed in a cavity of the cylindrical housing 81; the cylindrical shell 81 is internally provided with a stepped guide rod 83 at the top of the disc spring set 82, the top of the cylindrical shell 81 is fixedly connected with a gland 84, the large end of the guide rod 83 is restrained in the cavity of the cylindrical shell 81 through the cooperation of the gland 84 and the cylindrical shell 81, and the top of the guide rod 83 is contacted with the lower surface of the upper frame 1 through the reaction force generated by the disc spring set 82. Specifically, the top surface of the guide rod 83 is an arc surface, when the guide rod 83 is used as the arc surface of the guide rod 83, the guide rod 83 moves downwards to compress and deform the disc spring group 82, and meanwhile, the disc spring group 82 generates a reaction force upwards, so that a gap between the upper frame 1 and the lower frame 4 is eliminated, and the production precision of the whole equipment is greatly improved.
The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model.
It will be understood that the utility model is not limited to what has been described above and that various modifications and changes may be made without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.
Claims (10)
1. The prestress opening type straightening machine frame comprises an upper frame (1) and a lower frame (4) and is characterized in that one side of the upper frame (1) is hinged with one side of the lower frame (4) through a rotary unit (9), and rotary locking oil cylinders (3) are longitudinally and symmetrically arranged on the other side of the lower frame (4) in a front-back mode; an opening oil cylinder (5) is arranged on one side close to the rotary unit (9), a cylinder barrel (51) of the opening oil cylinder (5) is hinged to the outer side of the lower frame (4), a first piston rod (52) of the opening oil cylinder (5) is hinged to the bottom of the upper frame (1), and an oil cylinder shell (34) of the rotary locking oil cylinder (3) is arranged on the lower frame (4).
2. The prestress-opening straightener frame according to claim 1, characterized in that the rotary locking cylinder (3) comprises a cylinder housing (34), a positioning pin (36) is arranged on the inner wall of the cylinder housing (34), a second piston rod (32) is arranged in the cylinder housing (34), a locking part (31) is arranged at the top end of the second piston rod (32), a rotating mechanism (33) is arranged at the lower part of the second piston rod (32), a curved groove (35) is formed in the peripheral wall of the rotating mechanism (33), and the curved groove (35) is matched with the positioning pin (36) to restrain rotation of the rotating mechanism (33) in the cylinder housing (34).
3. The prestressed open type straightener frame according to claim 2, characterized in that the number of the positioning pins (36) and the curved grooves (35) is two, the two positioning pins (36) are symmetrically distributed on the inner wall of the cylinder shell (34), and the two curved grooves (35) are centrally symmetrical about the central axis of the rotating mechanism (33).
4. The prestress-opening straightener frame according to claim 2, characterized in that the locking part (31) adopts a rectangular parallelepiped lock plate fixedly mounted on the top end of the second piston rod (32) by a fastener.
5. The prestress-opening straightener frame according to claim 2, characterized in that an upper frame window (12) of the upper frame (1) is provided with a cuboid lock plate position detection switch (13), and an upper frame position detection switch (14) is provided on the upper surface of the lower frame (4) at the corresponding position.
6. The prestress-opening straightener frame according to claim 1, characterized in that the rotation angle of the second piston rod (32) is 90 degrees every time the rotation locking cylinder (3) runs out of one stroke.
7. The prestress opening straightener frame according to claim 1, characterized in that a limiting mechanism (2) is arranged between the upper frame (1) and the lower frame (4), and the limiting mechanism (2) is arranged close to the side of the rotary locking cylinder.
8. The prestress opening straightener frame according to claim 1, characterized in that a gap eliminating mechanism (8) for improving straightening accuracy is further arranged between the upper frame (1) and the lower frame (4), and the gap eliminating mechanism (8) is arranged close to the rotary unit (9).
9. The prestress opening straightener frame according to claim 8, characterized in that the anti-backlash mechanism (8) comprises a cylindrical housing (81) fixedly arranged at the top of the lower frame (4), a disc spring group (82) being placed in a cavity of the cylindrical housing (81); the device is characterized in that a stepped guide rod (83) is arranged at the top of the disc spring set (82) in a cavity of the cylindrical shell (81), a gland (84) is fixedly connected to the top of the cylindrical shell (81), one side of the large end of the guide rod (83) is restrained in the cavity of the cylindrical shell (81) through the cooperation of the gland (84) and the cylindrical shell (81), and the top of the guide rod (83) is contacted with the lower surface of the upper frame (1) through the reaction force generated by the disc spring set (82).
10. The prestress opening type straightener frame according to claim 1, characterized in that an upper roller box pressing mechanism (11) is arranged on the upper frame (1), and the bottom end of the upper roller box pressing mechanism (11) is fixedly connected with an upper roller box (10).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123105697 | 2021-12-13 | ||
| CN2021231056973 | 2021-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220837294U true CN220837294U (en) | 2024-04-26 |
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ID=90775920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223342836.9U Active CN220837294U (en) | 2021-12-13 | 2022-12-13 | Prestress opening type straightening machine frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220837294U (en) |
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2022
- 2022-12-13 CN CN202223342836.9U patent/CN220837294U/en active Active
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