CN113083905A - Automatic roller positioning device of two-roller mill - Google Patents
Automatic roller positioning device of two-roller mill Download PDFInfo
- Publication number
- CN113083905A CN113083905A CN202110238051.8A CN202110238051A CN113083905A CN 113083905 A CN113083905 A CN 113083905A CN 202110238051 A CN202110238051 A CN 202110238051A CN 113083905 A CN113083905 A CN 113083905A
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- Prior art keywords
- fixed
- buffer
- rack
- seat
- roll
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/16—Adjusting or positioning rolls
- B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
- B21B31/22—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal
- B21B31/24—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal by screws
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- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses an automatic roller positioning device of a two-roller rolling mill, which belongs to the technical field of rolling mills and comprises a base and a second roller, wherein a rack is fixed on the surface of the base, the rack is of a U-shaped structure, the inner wall of the rack is rotatably connected with the first roller through a rotating shaft, and a groove is formed in the surface of the rack. This device passes through actuating mechanism and drives second conical gear and rotate, drive threaded rod synchronous rotation during second conical gear rotates, make the threaded rod drive and lift board rectilinear movement, the lifting board passes through the fixing base and drives the second roll and remove, thereby adjust the distance between first roll and the second roll, need not operating personnel manual regulation, the regulation operation of roll has been simplified, and the drive through the motor, the error of manual regulation has been reduced, rolling precision has been promoted, time saving and labor saving, and the work efficiency is greatly improved.
Description
Technical Field
The invention belongs to the technical field of rolling mills, and particularly relates to an automatic positioning device for a roller of a two-roller rolling mill.
Background
Two-high rolling mill, also called two-high rolling mill, is a rolling mill composed of two horizontal rolls in the same vertical plane arranged up and down, mainly used in metal rolling process, and divided into reversible and irreversible, the reversible two-high rolling mill stand has multi-hole rolls, the supporting parts of the rolls are set in the frame windows of the rolling mill stand, the stand is placed in rolling direction with other similar rolling mill stands side by side, the rolls can be connected with the transmission device or the transmission element between the adjacent rolling mill stand rolls on two end faces, each roll of the roll pair is configured with a beam connected with the stand on two sides of the roll gap formed by the roll pair, the adjustable and fixed rolled piece belonging to each section hole pattern is configured on the beam;
the roll is an important part for enabling rolled metal to generate plastic deformation on a rolling mill, the thickness distribution of rolled plates is determined by the shape of a roll gap of two groups of working rolls, the plate shape is formed by continuous plate thickness distribution, factors influencing the shape of the roll gap loaded by the roll are numerous, in the process of a traditional rolling process, when a plurality of rolling targets and required thickness are not uniform, the thickness precision is guaranteed, the distance for pressing the roll down needs to be manually adjusted one by one, the operation is complex, the adjustment needs to be repeatedly performed for many times, and meanwhile, distance errors can exist in the adjustment process, so that the rolling precision cannot be effectively controlled, time and labor are wasted, and the working efficiency is low.
Therefore, the automatic positioning device for the rollers of the two-roller rolling mill is provided to solve the problems in the prior art, so that the adjustment of the rollers becomes convenient, fast and accurate, and the working efficiency of the rolling mill is improved.
Disclosure of Invention
The invention aims to provide an automatic positioning device for rollers of a two-roller rolling mill, which aims to solve the problems that the distance between the rollers is inconvenient to adjust and the accuracy is low when the rollers are adjusted in the prior art in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme: the automatic roller positioning device of the two-roller mill comprises a base and a second roller, wherein a rack is fixed on the surface of the base, the rack is of a U-shaped structure, the inner wall of the rack is rotatably connected with the first roller through a rotating shaft, grooves are formed in the surface of the rack, the second roller is movably connected inside the two groups of grooves through the rotating shaft, a fixed seat is installed on the surface of the rotating shaft of the second roller, two groups of lifting plates are integrally formed at the bottom of the fixed seat, and the rack is clamped between the two groups of lifting plates;
be provided with buffer gear between the bottom of fixing base and frame, the fixed surface of frame has two sets of supporting seats, the surface rotation of supporting seat is connected with the threaded rod, and is two sets of lifting board threaded connection is on the surface of two sets of threaded rods, and is two sets of the top of threaded rod is fixed with first conical gear, the top of frame is provided with actuating mechanism, the side of frame is provided with stop gear.
Preferably, buffer gear includes cushion socket, buffer beam, buffer spring, fixed block and holds the chamber, the cushion socket is fixed in the bottom of frame, the bottom of buffer beam is installed in the top of fixed block, the buffer beam is pegged graft in the inside of cushion socket, the chamber that holds has been seted up to the inside of buffer beam, the bottom that holds the intracavity chamber is fixed with buffer spring, the fixing base is installed to the bottom of cushion socket inner chamber, buffer spring is fixed in the bottom of fixed block.
Preferably, the bottom integrated into one piece of fixed block has the connecting block, buffer spring's one end cup joints in the outer wall of connecting block, the connecting block sets up to the cylinder structure, the external diameter of connecting block is the same with the internal diameter that holds the chamber.
Preferably, the inner wall of the buffer seat is fixed with a second flange, the outer wall of the buffer rod is fixed with a first flange, and the first flange and the second flange have the same structure.
Preferably, actuating mechanism includes that first traction gear, first bevel gear, drive shaft, second pull gear and rotate the seat, the motor is installed at the top of frame, the top of frame is passed through two sets of rotation seats of screw fixedly connected with, and is two sets of the surface of rotating the seat is run through and is had the drive shaft, be connected for rotating between drive shaft and the rotation seat, the output of motor is fixed with first traction gear, the outer wall of drive shaft is fixed with the second and pulls the gear, first traction gear pulls gear intermeshing with the second, the both ends of drive shaft are fixed with first bevel gear, first bevel gear and second bevel gear intermeshing.
Preferably, the outer wall of drive shaft is fixed with the swivel seat, the draw-in groove has been seted up to the outer wall of swivel seat, the swivel seat block is in the inside of draw-in groove.
Preferably, the limiting mechanism comprises a limiting rod, a sliding block and connecting seats, two groups of connecting seats are fixed on the surface of the rack, the limiting rod is fixed between the two groups of connecting seats, the sliding block is movably connected to the outer wall of the limiting rod, and the sliding block is fixed to one end of the second roller rotating shaft.
Preferably, the two ends of the second roller rotating shaft are fixed with limiting seats, the surfaces of the limiting seats are provided with sliding grooves, and the sliding grooves are clamped on the inner walls of the grooves.
The invention has the technical effects and advantages that: compared with the prior art, the automatic roller positioning device of the two-roller mill has the following advantages that:
this device passes through actuating mechanism and drives second conical gear and rotate, drive threaded rod synchronous rotation during second conical gear rotates, make the threaded rod drive and lift board rectilinear movement, the lifting board passes through the fixing base and drives the second roll and remove, thereby adjust the distance between first roll and the second roll, need not operating personnel manual regulation, the regulation operation of roll has been simplified, buffer gear can cushion when the second roll removes simultaneously, the guard action to the second roll has been played, and the drive through the motor, the error of manual regulation has been reduced, rolling precision has been promoted, time saving and labor saving, and work efficiency is greatly improved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged view of region A of FIG. 1;
FIG. 3 is a schematic top view of the driving mechanism of the present invention;
FIG. 4 is a schematic cross-sectional view of a cushioning mechanism according to the present invention;
fig. 5 is a schematic view of the main structure of the fixing base and the lifting plate of the present invention.
In the figure: 1. a base; 2. a frame; 3. a first roll; 4. a fixed seat; 5. a second roll; 6. a buffer seat; 7. a limiting rod; 8. a slider; 9. a connecting seat; 10. lifting the plate; 11. a motor; 12. a first traction gear; 13. a first bevel gear; 14. a second bevel gear; 15. a threaded rod; 16. a drive shaft; 17. a second traction gear; 18. a rotating seat; 19. a buffer rod; 20. a buffer spring; 21. a fixed block; 22. connecting blocks; 23. a first flange; 24. an accommodating chamber; 25. and a second rib.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a roller automatic positioning device of a two-roller mill as shown in figures 1-5, which comprises a base 1 and a second roller 5;
a rack 2 is fixed on the surface of the base 1, the rack 2 is of a U-shaped structure, the inner wall of the rack 2 is rotatably connected with a first roller 3 through a rotating shaft, grooves are formed in the surface of the rack 2, a second roller 5 is movably connected inside the two groups of grooves through the rotating shaft, a fixed seat 4 is installed on the surface of the rotating shaft of the second roller 5, two groups of lifting plates 10 are integrally formed at the bottom of the fixed seat 4, and the rack 2 is clamped between the two groups of lifting plates 10;
a buffer mechanism is arranged between the fixed seat 4 and the bottom of the frame 2, two groups of supporting seats are fixed on the surface of the frame 2, threaded rods 15 are rotatably connected on the surfaces of the supporting seats, two groups of lifting plates 10 are in threaded connection with the surfaces of the two groups of threaded rods 15, first bevel gears 13 are fixed at the top ends of the two groups of threaded rods 15, a driving mechanism is arranged at the top of the frame 2, a limiting mechanism is arranged on the side surface of the frame 2, and the lifting plates 10 are driven to linearly move on the outer walls of the threaded rods 15 through the rotation of the threaded rods 15, so that the lifting plates 10 drive the second roller 5 to ascend or descend through;
the buffer mechanism comprises a buffer seat 6, a buffer rod 19, a buffer spring 20, a fixed block 21 and a containing cavity 24, the buffer seat 6 is fixed at the bottom of the rack 2, the bottom of the buffer rod 19 is installed at the top of the fixed block 21, the buffer rod 19 is inserted into the buffer seat 6, the containing cavity 24 is formed in the buffer rod 19, the buffer spring 20 is fixed at the bottom of an inner cavity of the containing cavity 24, a fixed seat 4 is installed at the bottom of the inner cavity of the buffer seat 6, the buffer spring 20 is fixed at the bottom of the fixed block 21, when the lifting plate 10 drives the fixed seat 4 to move, the fixed seat 4 can drive the buffer rod 19 to move on the inner wall of the buffer seat 6, the buffer rod 19 is driven to compress or stretch the buffer spring 20 synchronously along with the ascending or descending of the fixed seat 4, the movement of the second roller 5 is buffered through;
the connecting block 22 is integrally formed at the bottom of the fixing block 21, one end of the buffer spring 20 is sleeved on the outer wall of the connecting block 22, the connecting block 22 is of a cylindrical structure, the outer diameter of the connecting block 22 is the same as the inner diameter of the accommodating cavity 24, and the connecting block 22 can be slowly inserted into the accommodating cavity 24 along with gradual compression of the buffer spring 20, so that the buffer rod 19 is prevented from deviating;
a second rib 25 is fixed on the inner wall of the buffer seat 6, a first rib 23 is fixed on the outer wall of the buffer rod 19, the first rib 23 and the second rib 25 have the same structure, and the first rib 23 and the second rib 25 can fix one end of the buffer rod 19 in the buffer seat 6 and limit the buffer rod 19, so that the buffer rod 19 and the buffer seat 6 are prevented from being separated;
the driving mechanism comprises a first traction gear 12, a first bevel gear 13, a driving shaft 16, a second traction gear 17 and a rotating seat 18, wherein the motor 11 is installed at the top of the rack 2, the motor 11 is a servo motor, and the driving mechanism has the advantages of high precision and stable operation, the top of the rack 2 is fixedly connected with two groups of rotating seats 18 through screws, the driving shaft 16 penetrates through the surfaces of the two groups of rotating seats 18, the driving shaft 16 is rotatably connected with the rotating seats 18, the first traction gear 12 is fixed at the output end of the motor 11, the second traction gear 17 is fixed on the outer wall of the driving shaft 16, the first traction gear 12 is mutually meshed with the second traction gear 17, the first bevel gear 13 is fixed at the two ends of the driving shaft 16, the first bevel gear 13 is mutually meshed with the second bevel gear 14, the motor 11 drives the first traction gear 12 to rotate, the first traction gear 12 drives the driving shaft 16 to rotate through mutual meshing with the second traction gear 17, the driving shaft 16 drives the two sets of second bevel gears 14 to rotate through the first bevel gears 13 at the two ends, so that the two sets of second bevel gears 14 drive the two sets of threaded rods 15 to rotate, the two sets of threaded rods 15 respectively drive the two sets of lifting plates 10 to linearly move on the outer walls of the threaded rods 15, and the lifting plates 10 drive the second rollers 5 to move through the fixed seats 4;
a distance sensor is arranged at the bottom of the fixed seat 4, the distance sensor and the motor 11 are connected with a controller, the distance between the second roller 5 and the first roller 3 can be measured through the distance sensor, then the distance to be moved of the second roller 5 is set through the controller, the motor 11 can be controlled to be started through the controller, the second roller 5 can be adjusted, and the adjusting precision of the second roller 5 is improved;
a rotary seat is fixed on the outer wall of the driving shaft 16, a clamping groove is formed in the outer wall of the rotary seat, the rotary seat 18 is clamped inside the clamping groove, the rotary seat can limit the driving shaft 16, the driving shaft 16 is prevented from shifting inside the rotary seat 18, friction between the driving shaft 16 and the rotary seat 18 can be reduced, and the driving shaft 16 can rotate conveniently;
the limiting mechanism comprises a limiting rod 7, a sliding block 8 and connecting seats 9, two groups of connecting seats 9 are fixed on the surface of the rack 2, the limiting rod 7 is fixed between the two groups of connecting seats 9, the sliding block 8 is movably connected to the outer wall of the limiting rod 7, the sliding block 8 is fixed at one end of a rotating shaft of the second roller 5, and the sliding block 8 can be driven to linearly move on the surface of the limiting rod 7 when the second roller 5 moves, so that the movement of the second roller 5 is limited;
the both ends of the 5 rotation axes of second roll are fixed with the spacing seat, and the spout has been seted up on the surface of spacing seat, and the spout block is in the inner wall of recess, and spacing seat can assist stop gear to carry on spacingly to second roll 5, prevents that second roll 5 from taking place the ascending skew of horizontal direction when removing, can reduce the frictional resistance between the rotation axis of second roll 5 and the recess simultaneously, the removal of the second roll 5 of being convenient for.
The working principle is as follows: turning on a switch of a motor 11, the motor 11 drives a first traction gear 12 to rotate, the first traction gear 12 drives a driving shaft 16 to rotate through mutual engagement with a second traction gear 17, the driving shaft 16 drives two groups of second bevel gears 14 to rotate through first bevel gears 13 at two ends, so that the two groups of second bevel gears 14 drive two groups of threaded rods 15 to rotate, the two groups of threaded rods 15 respectively drive two groups of lifting plates 10 to linearly move on the outer walls of the threaded rods 15, the lifting plates 10 drive a second roller 5 to move through a fixed seat 4, and the distance between the second roller 5 and a first roller 3 is adjusted;
when lifting board 10 and driving fixing base 4 and remove, fixing base 4 can drive buffer rod 19 and remove at the inner wall of buffer seat 6, along with the ascending or descending synchronous drive buffer rod 19 compression or extension buffer spring 20 of fixing base 4, cushions the removal of second roll 5 through buffer spring 20, prevents that the distance from removing too big.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a roll automatic positioning device of two rolling mills, includes base (1), second roll (5), its characterized in that: the surface of the base (1) is fixedly provided with a rack (2), the rack (2) is arranged to be of a U-shaped structure, the inner wall of the rack (2) is rotatably connected with a first roller (3) through a rotating shaft, the surface of the rack (2) is provided with grooves, a second roller (5) is movably connected to the insides of the two groups of grooves through the rotating shaft, the surface of the rotating shaft of the second roller (5) is provided with a fixed seat (4), the bottom of the fixed seat (4) is integrally formed with two groups of lifting plates (10), and the rack (2) is clamped between the two groups of lifting plates (10);
the lifting mechanism is characterized in that a buffer mechanism is arranged between the fixed seat (4) and the bottom of the rack (2), two groups of supporting seats are fixed on the surface of the rack (2), threaded rods (15) are rotatably connected to the surfaces of the supporting seats, two groups of lifting plates (10) are in threaded connection with the surfaces of the two groups of threaded rods (15), first bevel gears (13) are fixed at the top ends of the two groups of threaded rods (15), a driving mechanism is arranged at the top of the rack (2), and a limiting mechanism is arranged on the side face of the rack (2).
2. The automatic roll positioning device for a two-roll mill according to claim 1, characterized in that: buffer gear includes buffer seat (6), buffer beam (19), buffer spring (20), fixed block (21) and holds chamber (24), buffer seat (6) are fixed in the bottom of frame (2), the top in fixed block (21) is installed to the bottom of buffer beam (19), buffer beam (19) are pegged graft in the inside of buffer seat (6), the inside of buffer beam (19) has been seted up and has been held chamber (24), the bottom that holds chamber (24) inner chamber is fixed with buffer spring (20), fixing base (4) are installed to the bottom of buffer seat (6) inner chamber, buffer spring (20) are fixed in the bottom of fixed block (21).
3. The automatic roll positioning device for a two-roll mill according to claim 2, characterized in that: the bottom integrated into one piece of fixed block (21) has connecting block (22), the outer wall in connecting block (22) is cup jointed to the one end of buffer spring (20), connecting block (22) set up to the cylinder structure, the external diameter of connecting block (22) is the same with the internal diameter that holds chamber (24).
4. The automatic roll positioning device for a two-roll mill according to claim 2, characterized in that: the inner wall of buffer seat (6) is fixed with second flange (25), the outer wall of buffer rod (19) is fixed with first flange (23), first flange (23) are the same with the structure of second flange (25).
5. The automatic roll positioning device for a two-roll mill according to claim 1, characterized in that: the driving mechanism comprises a first traction gear (12), a first conical gear (13), a driving shaft (16), a second traction gear (17) and a rotating seat (18), the top of the frame (2) is provided with a motor (11), the top of the frame (2) is fixedly connected with two groups of rotating seats (18) through screws, the surfaces of the two groups of rotating seats (18) are penetrated with a driving shaft (16), the driving shaft (16) is rotationally connected with the rotating seat (18), a first traction gear (12) is fixed at the output end of the motor (11), a second traction gear (17) is fixed on the outer wall of the driving shaft (16), the first traction gear (12) and the second traction gear (17) are meshed with each other, and a first bevel gear (13) is fixed at two ends of the driving shaft (16), and the first bevel gear (13) and the second bevel gear (14) are meshed with each other.
6. The automatic roll positioning device for a two-roll mill according to claim 5, characterized in that: the outer wall of drive shaft (16) is fixed with the swivel mount, the draw-in groove has been seted up to the outer wall of swivel mount, swivel mount (18) block is in the inside of draw-in groove.
7. The automatic roll positioning device for a two-roll mill according to claim 1, characterized in that: stop gear includes gag lever post (7), sliding block (8) and connecting seat (9), the fixed surface of frame (2) has two sets of connecting seats (9), and is two sets of gag lever post (7) are fixed between connecting seat (9), the outer wall swing joint of gag lever post (7) has sliding block (8), sliding block (8) are fixed in the one end of second roll (5) rotation axis.
8. The automatic roll positioning device for a two-roll mill according to claim 1, characterized in that: limiting seats are fixed at two ends of the rotating shaft of the second roller (5), sliding grooves are formed in the surfaces of the limiting seats, and the sliding grooves are clamped on the inner walls of the grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110238051.8A CN113083905A (en) | 2021-03-03 | 2021-03-03 | Automatic roller positioning device of two-roller mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110238051.8A CN113083905A (en) | 2021-03-03 | 2021-03-03 | Automatic roller positioning device of two-roller mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113083905A true CN113083905A (en) | 2021-07-09 |
Family
ID=76666417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110238051.8A Withdrawn CN113083905A (en) | 2021-03-03 | 2021-03-03 | Automatic roller positioning device of two-roller mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113083905A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115569984A (en) * | 2022-11-18 | 2023-01-06 | 河北耐博电缆桥架有限公司 | Galvanized strip steel rolling equipment for cable bridge production |
| CN116213476A (en) * | 2022-12-12 | 2023-06-06 | 马鞍山市方圆材料工程股份有限公司 | High stable type non-hole rolling assembly |
-
2021
- 2021-03-03 CN CN202110238051.8A patent/CN113083905A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115569984A (en) * | 2022-11-18 | 2023-01-06 | 河北耐博电缆桥架有限公司 | Galvanized strip steel rolling equipment for cable bridge production |
| CN115569984B (en) * | 2022-11-18 | 2023-03-14 | 河北耐博电缆桥架有限公司 | Galvanized strip steel rolling equipment for cable bridge production |
| CN116213476A (en) * | 2022-12-12 | 2023-06-06 | 马鞍山市方圆材料工程股份有限公司 | High stable type non-hole rolling assembly |
| CN116213476B (en) * | 2022-12-12 | 2023-09-05 | 马鞍山市方圆材料工程股份有限公司 | High stable type non-hole rolling assembly |
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Application publication date: 20210709 |