CN113523212A - Self-adaptive self-centering dynamic guiding device - Google Patents
Self-adaptive self-centering dynamic guiding device Download PDFInfo
- Publication number
- CN113523212A CN113523212A CN202010310673.2A CN202010310673A CN113523212A CN 113523212 A CN113523212 A CN 113523212A CN 202010310673 A CN202010310673 A CN 202010310673A CN 113523212 A CN113523212 A CN 113523212A
- Authority
- CN
- China
- Prior art keywords
- guide
- guide roller
- screw nut
- roller
- speed reducer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
- B22D11/1287—Rolls; Lubricating, cooling or heating rolls while in use
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to a self-adaptive self-centering dynamic guide device, which comprises a guide roller system, wherein the guide roller system comprises an outer arc guide roller, an inner arc guide roller is arranged above the outer arc guide roller, two sides above the outer arc guide roller are respectively provided with one side guide roller in opposite directions, the inner arc guide roller and the outer arc guide roller are horizontally staggered with each side guide roller, and a dynamic pressed blank guide space capable of self-adaptive self-centering is formed among the outer arc guide roller, the two side guide rollers and the inner arc guide roller; the inner arc guide rollers are connected with inner roller driving guide structures, and each side guide roller is connected with a side roller driving guide structure; and cooling water channels are arranged in the outer arc guide roller, the inner arc guide roller and the two side guide rollers. The inner arc guide roller and the side guide roller of the self-adaptive self-centering dynamic guide device can be opened or clamped, and self-centering and self-adapting of a dynamic pressed blank guide space to a casting blank is guaranteed, so that the cooling uniformity of the casting blank is guaranteed, and the quality of the casting blank is improved.
Description
Technical Field
The invention relates to the technical field of small square and round billet continuous casting machines in the metallurgical industry, in particular to a self-adaptive and self-centering dynamic guide device.
Background
A small square and round billet continuous casting machine mainly adopts a rigid dummy bar, a small number of guide supporting rollers are usually arranged below a crystallizer and in front of a withdrawal straightening machine and used for guiding and supporting the dummy bar or a casting blank which is not completely solidified, 3-4 outer arc guide supporting rollers and inner arc guide rollers are arranged on a conventional small square and round billet continuous casting machine, the current trend of small square and round billet continuous casting is developed towards a high-drawing speed, multi-flow and multi-section combined continuous casting machine, meanwhile, the requirement on the quality of the casting blank is continuously improved, and uniform secondary cooling spray cooling is realized, so that the uniform cooling of a billet shell becomes necessary. Because conventional little square and round billet conticaster need compatible a plurality of sections, adopts fixed inner arc guide roll and side guide roll more, and this kind of result can lead to the casting blank off tracking, is close to one side guide roll, and the casting blank off tracking can lead to about seriously side casting blank apart from the distance of nozzle inconsistent, leads to about the side cooling inequality, and then influences the casting blank quality.
Therefore, the inventor provides a self-adaptive and self-centering dynamic guiding device by virtue of experience and practice of related industries for many years, so as to overcome the defects in the prior art.
Disclosure of Invention
The invention aims to provide a self-adaptive self-centering dynamic guide device, which solves the problems of casting blank deviation, casting blank quality influence and the like caused by a fixed inner arc guide roller and a side guide roller in the prior art.
The invention aims to realize the self-adaptive self-centering dynamic guide device, which comprises a guide roller system capable of pressurizing a casting blank, wherein the guide roller system comprises an outer arc guide roller, an inner arc guide roller capable of moving up and down is arranged above the outer arc guide roller, and a central shaft of the outer arc guide roller and a central shaft of the inner arc guide roller are both horizontally arranged and are positioned in the same vertical plane; two sides above the outer arc guide roller are respectively provided with one side guide roller in opposite directions, the central shaft of each side guide roller is vertically arranged and is positioned in the same vertical plane, the inner arc guide roller and the outer arc guide roller are horizontally staggered with each side guide roller, each side guide roller can simultaneously move horizontally in opposite directions or in opposite directions, and a dynamic green compact guide space capable of self-adapting and self-centering is formed among the outer arc guide roller, the two side guide rollers and the inner arc guide roller; the inner arc guide rollers are connected with inner roller driving guide structures capable of driving the inner arc guide rollers to move up and down, and each side guide roller is connected with a side roller driving guide structure capable of driving the side guide rollers to move horizontally; and cooling water channels are arranged in the outer arc guide roller, the inner arc guide roller and the two side guide rollers.
In a preferred embodiment of the present invention, the side roller driving and guiding structure includes a first motor, the first motor is connected to 2 first driving and guiding mechanisms, each first driving and guiding mechanism is connected to each side roller, and the first motor is configured to drive each first driving and guiding mechanism to drive the side roller to move horizontally;
the first motor is connected with a first speed reducer through a first coupler, 2 first transmission shafts are symmetrically arranged on the first speed reducer, and the central shaft of each first transmission shaft is horizontally arranged and is parallel to the central shaft of the outer arc guide roller; the end part of each first transmission shaft, which is far away from the first speed reducer, is respectively connected with a second speed reducer, the output end of each second speed reducer is vertically arranged, and the output end of each second speed reducer is respectively connected with one first transmission guide mechanism.
In a preferred embodiment of the present invention, the first transmission guide mechanism includes a first screw shaft, the first screw shaft is vertically disposed, and a top end of the first screw shaft is connected to an output end of the second reducer; the first screw shaft is provided with a first screw thread part and a second screw thread part at intervals up and down, the screw directions of the first screw thread part and the second screw thread part are opposite, the first screw thread part is sleeved with a first screw nut fixed in the circumferential direction, the second screw thread part is sleeved with a second screw nut fixed in the circumferential direction, the first motor drives the first screw shaft to rotate around a vertical central shaft through the first speed reducer and the second speed reducer, the first screw nut, the second screw nut and the first screw shaft form a screw nut structure, and the first screw nut and the second screw nut convert the rotation of the first screw shaft into vertical movement in opposite directions;
first lead screw nut can be articulated with the first end of first connecting rod, second lead screw nut can be articulated with the first end of second connecting rod, first connecting rod with the second connecting rod is X type cross arrangement, the second end of first connecting rod with the second end of second connecting rod all articulates on the first link plate that is vertical setting, the side guide roll connect in on the first link plate, first lead screw nut with second lead screw nut passes through first connecting rod with the second connecting rod drives first link plate horizontal migration.
In a preferred embodiment of the present invention, the first transmission guide mechanism further includes a first slider and a second slider, the first lead screw nut is fixedly connected to the top of the first slider, the second lead screw nut is fixedly connected to the bottom of the second slider, a first guide block is fixedly disposed at the lower portion of the first lead screw shaft, a first chute channel is disposed from the top end to the lower side of the first guide block near the side guide roller, a second chute channel is disposed from the bottom end to the upper side of the first guide block near the side guide roller, the first chute channel and the second chute channel are disposed at an interval from top to bottom, the first slider can slide up and down along the first chute channel, and the second slider can slide up and down along the second chute channel; and a first chute channel baffle is arranged on one side of the first guide block, which is close to the side guide roller.
In a preferred embodiment of the present invention, a horizontal first guide sleeve is disposed on a side of the first connection disc close to the first screw shaft, a horizontal first guide shaft is disposed on a side of the first guide block close to the side guide roller, and the first guide sleeve is slidably sleeved on the first guide shaft.
In a preferred embodiment of the present invention, the inner roller driving and guiding structure includes a second motor, the second motor is connected to a second transmission and guiding mechanism, the second transmission and guiding mechanism is connected to the inner arc guiding roller, and the second motor is configured to drive the second transmission and guiding mechanism to drive the inner arc guiding roller to move up and down.
In a preferred embodiment of the present invention, the second motor is connected to a third speed reducer through a second coupling, an output end of the third speed reducer is horizontally disposed, and an output end of the third speed reducer is connected to the second transmission guide mechanism.
In a preferred embodiment of the present invention, the second transmission guide mechanism includes a second screw shaft, the second screw shaft is horizontally disposed, and one end of the second screw shaft is connected to the output end of the third speed reducer; a third screw thread part and a fourth screw thread part are horizontally arranged on the second screw shaft at intervals, the screw directions of the third screw thread part and the fourth screw thread part are opposite, a third screw nut which is fixed in the circumferential direction is sleeved on the third screw thread part, a fourth screw nut which is fixed in the circumferential direction is sleeved on the fourth screw thread part, the second motor drives the second screw shaft to rotate around a horizontal central shaft through the third speed reducer, the third screw nut, the fourth screw nut and the second screw shaft form a screw nut structure, and the third screw nut and the fourth screw nut convert the rotation of the second screw shaft into horizontal movement in opposite directions;
the third lead screw nut can be hinged with a first end of a third connecting rod, the fourth lead screw nut can be hinged with a first end of a fourth connecting rod, the third connecting rod and the fourth connecting rod are arranged in an X-shaped crossed mode, a second end of the third connecting rod and a second end of the fourth connecting rod are hinged to a second connecting disc which is arranged horizontally, the inner arc guide roller is connected to the bottom surface of the second connecting disc, and the third lead screw nut and the fourth lead screw nut drive the second connecting disc to move up and down through the third connecting rod and the fourth connecting rod;
the second transmission guide mechanism further comprises a third slider and a fourth slider, the third lead screw nut is fixedly connected to one end, close to the third speed reducer, of the third slider, the fourth lead screw nut is fixedly connected to one end, far away from the third speed reducer, of the fourth slider, the second lead screw shaft penetrates through the second guide block, the bottom surface of the second guide block upwards provides a third chute channel and a fourth chute channel, the third slider can be guided along the third chute channel to horizontally slide, the fourth slider can be guided along the fourth chute channel to horizontally slide, and the bottom of the second guide block is provided with a second chute channel baffle.
In a preferred embodiment of the present invention, the fixing frame further comprises a frame bottom plate, wherein two ends of the frame bottom plate respectively extend upwards to form frame upright posts, and the outer arc guide roller is fixedly hinged to the frame bottom plate; the first guide blocks are respectively oppositely arranged on the frame upright columns at two ends, one side of each frame upright column close to the side guide roller is provided with an inner lining plate, the top parts of the two inner lining plates are connected with a second chute baffle, and the second guide blocks are buckled on the second chute baffle; a first support is arranged on the top surface of the second guide block, and the first support is connected with the first motor and the first speed reducer; a second support is arranged on the inner side of the top end of each frame upright column respectively, and a second speed reducer is connected to the second support; and a third support is arranged on the second chute channel baffle, and the third support is connected with the second motor and the third speed reducer.
In a preferred embodiment of the present invention, the first motor and the second motor are both pneumatic motors.
From the above, the self-adaptive self-centering dynamic guiding device provided by the invention has the following beneficial effects:
according to the self-adaptive self-centering dynamic guide device, the fixed outer arc guide roller is correspondingly provided with the inner arc guide roller capable of moving up and down, meanwhile, the pair of side guide rollers above the outer arc guide roller can also horizontally move towards or away from each other, the inner arc guide roller moves to realize the opening and clamping of the casting blank in the up-and-down direction, the side guide rollers move to realize the lateral opening and clamping of the casting blank, the casting blank is clamped by the inner arc guide roller and the pair of side guide rollers in the blank drawing process, and the self-centering and self-adaptation of a dynamic pressed blank guide space to the casting blank are ensured, so that the cooling uniformity of the casting blank is ensured, and the quality of the casting blank is improved; the inner arc guide roll and the side guide roll move to enable the guide space of the dynamic pressed blank to adapt to the section of the casting blank, and the device is suitable for a multi-flow and multi-section small square-circle continuous casting machine; in the self-adaptive self-centering dynamic guiding device, the first motor and the second motor are pneumatic motors, and the pneumatic motors driven by compressed air are used as power sources, so that the device is safer, small in maintenance amount and longer in service life in a high-temperature and high-humidity working environment in the secondary cooling chamber.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention.
Wherein:
FIG. 1: is an isometric view of the adaptive self-centering dynamic steering apparatus of the present invention.
FIG. 2: is a front view of the adaptive self-centering dynamic steering apparatus of the present invention.
FIG. 3: is a side view of the adaptive self-centering dynamic steering apparatus of the present invention.
FIG. 4: is a top view of the adaptive self-centering dynamic steering apparatus of the present invention.
FIG. 5: is a cross-sectional view taken at a-a in fig. 2.
FIG. 6: is a cross-sectional view at B-B in fig. 3.
FIG. 7: is a cross-sectional view at C-C in fig. 3.
FIG. 8: is a schematic view of the side roller driving guide structure and the inner roller driving guide structure of the present invention.
In the figure:
100. a dynamic guiding device of self-adaptive self-centering;
10. an outer arc guide roller; 11. a side guide roller; 12. an inner arc guide roller;
20. the side roller drives the guide structure; 21. a first motor; 22. a first coupling; 23. a first speed reducer; 24. a first drive shaft; 25. a second speed reducer; 26. a first support; 27. a second support; 28. a first screw shaft; 281. a first threaded portion; 282. a second threaded portion; 291. a first lead screw nut; 292. a second lead screw nut;
311. a first slider; 312. a second slider; 313. a third slider; 314. a fourth slider; 32. a first guide block; 321. a first chute channel; 322. a second chute channel; 331. a first link; 332. a second link; 333. a third link; 334. a fourth link; 34. a connecting shaft; 351. a first splice tray; 352. a second connecting disc; 36. a first guide sleeve; 37. a first guide shaft; 38. a second guide block; 381. a fourth chute channel; 39. a second guide sleeve;
40. the inner roller drives the guide structure; 41. a second motor; 42. a second coupling; 43. a third speed reducer; 44. a second screw shaft; 45. a third support;
50. casting blanks;
60. a fixed frame; 61. a first chute way baffle; 62. a second chute way baffle; 63. a frame floor; 64. a frame upright; 65. and a lining plate.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.
The specific embodiments of the present invention described herein are for the purpose of illustration only and are not to be construed as limiting the invention in any way. Any possible variations based on the present invention may be conceived by the skilled person in the light of the teachings of the present invention, and these should be considered to fall within the scope of the present invention. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, mechanical or electrical connections, communications between two elements, direct connections, indirect connections through intermediaries, and the like. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 8, the present invention provides a self-adaptive centering dynamic guiding device 100, a casting blank 50 is continuously pulled out from a crystallizer by a withdrawal straightening machine, the casting blank 50 is continuously sent out by the withdrawal straightening machine along an R arc of an arc continuous casting machine, a plurality of rows of nozzles are arranged on four surfaces of the casting blank under the crystallizer, and the casting blank is continuously cooled by water spray (the above drawing of the casting blank 50 is the prior art).
The self-adaptive self-centering dynamic guide device 100 is used as a casting blank support roller of a secondary cooling chamber, is used for supporting and guiding a continuous casting secondary cooling section of a small square round blank, and comprises a guide roller system capable of pressurizing the casting blank, wherein the guide roller system comprises an outer arc guide roller 10, the outer arc guide roller 10 is used for supporting the incompletely solidified casting blank 50, an inner arc guide roller 12 capable of moving up and down is arranged above the outer arc guide roller 10, and the central shaft of the outer arc guide roller 10 and the central shaft of the inner arc guide roller 12 are both horizontally arranged and are positioned in the same vertical plane; two sides above the outer arc guide roller 10 are respectively provided with one side guide roller 11 in opposite directions, the central shaft of each side guide roller 11 is vertically arranged and is positioned in the same vertical plane, the inner arc guide roller 12 and the outer arc guide roller 10 are horizontally staggered with each side guide roller 11, each side guide roller 11 can simultaneously and horizontally move in opposite directions or in opposite directions, and a dynamic green compact guide space capable of self-adapting and self-centering is formed among the outer arc guide roller 10, the two side guide rollers 11 and the inner arc guide roller 12; the inner arc guide rollers 12 are connected with inner roller driving guide structures 40 capable of driving the inner arc guide rollers 12 to move up and down, and each side guide roller 11 is connected with a side roller driving guide structure 20 capable of driving the side guide rollers to move horizontally. Cooling water channels (prior art, for real-time cooling) are provided in the outer arc guide roll 10, the inner arc guide roll 12 and the two side guide rolls 11. The outer arc guide roll 10 is composed of a bearing seat, a rolling bearing, a roll and a rotary joint, wherein the bearing seat and the roll are cooled by water. The structure of the side guide roller 11 and the inner arc guide roller 12 is the same as that of the outer arc guide roller 10, and the guide roller structure in the prior art can be directly adopted, and two cooling nozzles (in the prior art and not shown in the figure) are arranged on the guide roller structure.
The inner arc guide rollers 12 are arranged right above the outer arc guide rollers 10, and the roller surfaces are arranged in opposite directions. The inner arc guide roll 12 can move up and down, and the inner arc guide roll 12 is opened when moving up, so that the inner arc guide roll is used for overhauling states or threading ingot bars (in the prior art); the inner arc guide roller 12 moves downwards to be clamping, and certain pressure is applied to the inner arc side of the casting blank 50 in the normal blank drawing process, so that the outer arc surface of the casting blank 50 is always in contact with the roller surface of the outer arc guide roller 10, the distance from a secondary cooling nozzle (in the prior art) on the outer arc side to the outer arc surface of the casting blank is equal, the distance from the secondary cooling nozzle on the inner arc side to the inner arc surface of the casting blank 50 is equal, and the cooling uniformity of the casting blank 50 in the blank drawing process is guaranteed.
The side guide rollers 11 are oppositely arranged and are vertical to the direction of the outer arc guide roller 10, 2 side guide rollers 11 can horizontally move towards each other to clamp and horizontally move away from each other to open, and when the 2 side guide rollers 11 are in an open state, the side guide rollers are used for maintenance or ingot rod threading; when the 2 side guide rollers 11 are in a clamping state and used for applying certain pressure to the side surface of the casting blank 50 in the normal blank drawing process, when the casting blank deviates, the side guide rollers 11 deviated to one side apply certain pressure to automatically center the casting blank 50, so that the distances from the secondary cooling nozzles on the two side surfaces to the side arc surface of the casting blank are equal, and the cooling uniformity of the side surface of the casting blank 50 in the blank drawing process is ensured.
The invention provides that the spatial positions of the inner arc guide roller 12 and the side guide roller 11 are staggered, so that the clamping device can adapt to more sections and smaller opening degrees, and the interference of the side guide roller 11, the outer arc guide roller 10 and the inner arc guide roller 12 in the clamping process is avoided.
According to the self-adaptive self-centering dynamic guide device, the fixed outer arc guide roller is correspondingly provided with the inner arc guide roller capable of moving up and down, meanwhile, the pair of side guide rollers above the outer arc guide roller can also horizontally move towards or away from each other, the inner arc guide roller moves to realize the opening and clamping of the casting blank in the up-and-down direction, the side guide rollers move to realize the lateral opening and clamping of the casting blank, the casting blank is clamped by the inner arc guide roller and the pair of side guide rollers in the blank drawing process, and the self-centering and self-adaptation of a dynamic pressed blank guide space to the casting blank are ensured, so that the cooling uniformity of the casting blank is ensured, and the quality of the casting blank is improved; the inner arc guide roll and the side guide roll move to enable the guide space of the dynamic pressed compact to adapt to the section of a casting blank, and the device is suitable for multi-flow and multi-section small square and round continuous casting machines.
Further, as shown in fig. 1, 4, 5, and 8, the side roller driving guide structure 20 includes a first motor 21, 2 first driving guide mechanisms are connected to the first motor 21, each first driving guide mechanism is respectively connected to each side guide roller 11, and the first motor 21 is configured to drive each first driving guide mechanism to drive the side guide roller 11 to move horizontally; in the present embodiment, the first motor 21 is a pneumatic motor, and the pneumatic motor driven by compressed air is used as a power source, so that the air conditioner is safer, has a small maintenance amount, and has a longer service life in a high-temperature and high-humidity working environment in the secondary cooling chamber;
the first motor 21 is connected with a first speed reducer 23 through a first coupling 22, 2 first transmission shafts 24 are symmetrically arranged on the first speed reducer 23, and the central shaft of each first transmission shaft 24 is horizontally arranged and is parallel to the central shaft of the outer arc guide roller 10; the end part of each first transmission shaft 24 far away from the first speed reducer 23 is respectively connected with a second speed reducer 25, the output end of each second speed reducer 25 is vertically arranged, and the output end of each second speed reducer 25 is respectively connected with a first transmission guide mechanism. Two sides (left and right sides) side guide roll 11 above outer arc guide roll 10 adopts 1 air motor as the power supply, connects second speed reducer 25 respectively through 23 one minute two of first speed reducer (turn to the speed reducer, and the input is the level, and the output is vertical), and a first transmission guiding mechanism is connected respectively to 2 second speed reducer 25, and the side guide roll 11 opens about guaranteeing and the distance that presss from both sides is equal, guarantees the self-adaptation of centering.
Further, as shown in fig. 1, 5, and 8, the first transmission guide mechanism includes a first screw shaft 28, the first screw shaft 28 is vertically disposed, and a top end of the first screw shaft 28 is connected to an output end of the second reducer 25; a first thread part 281 and a second thread part 282 are arranged on the first thread shaft 28 at intervals up and down, the spiral directions of the first thread part 281 and the second thread part 282 are opposite, a first lead screw nut 291 fixed in the circumferential direction is sleeved on the first thread part 281, a second lead screw nut 292 fixed in the circumferential direction is sleeved on the second thread part 282, the first motor 21 drives the first thread shaft 28 to rotate around a vertical central shaft through a first speed reducer 23 and a second speed reducer 25, the first lead screw nut 291, the second lead screw nut 292 and the first thread shaft 28 form a lead screw nut structure, and the first lead screw nut 291 and the second lead screw nut 292 convert the rotation of the first thread shaft 28 into vertical movement in opposite directions;
first lead screw nut 291 can be articulated with the first end of first connecting rod 331, second lead screw nut 292 can be articulated with the first end of second connecting rod 332, first connecting rod 331 is X type cross arrangement with second connecting rod 332, the second end of first connecting rod 331 and the second end of second connecting rod 332 all articulate on being vertical setting's first link plate 351, side guide roller 11 is connected on first link plate 351, first lead screw nut 291 and second lead screw nut 292 pass through first connecting rod 331 and second connecting rod 332 drive first link plate 351 horizontal migration.
Set up the screw portion of opposite direction of rotation on the same lead screw axle, the matched with lead screw nut opens and presss from both sides tightly along the axis direction (vertical direction) of lead screw axle, first connecting rod 331 and the first connecting disc 351 horizontal migration of push-and-pull through X type criss-cross, realize the horizontal migration of side guide roll 11 on the first connecting disc 351, through corotation and the reversal of first lead screw axle 28, opening and pressing from both sides of control side guide roll 11 is with satisfying the demand of opening or pressing from both sides tight to the casting blank.
Further, as shown in fig. 1, 4, 5, and 8, the first transmission guide mechanism further includes a first slider 311 and a second slider 312, the first lead screw nut 291 is fixedly connected to the top of the first slider 311, and the second lead screw nut 292 is fixedly connected to the bottom of the second slider 312, in this embodiment, the first lead screw nut 291 and the first slider 311, and the second lead screw nut 292 and the second slider 312 are connected by the connecting shaft 34;
a first guide block 32 is fixedly arranged at the lower part of the first screw shaft 28, a first slide groove channel 321 is arranged from the top end to the bottom end at one side of the first guide block 32 close to the side guide roller 11, a second slide groove channel 322 is arranged from the bottom end at one side of the first guide block 32 close to the side guide roller, the first slide groove channel 321 and the second slide groove channel 322 are arranged at intervals up and down, the first slide block 311 can slide up and down along the first slide groove channel 321, and the second slide block 312 can slide up and down along the second slide groove channel 322; a first chute fence 61 is provided on the side of the first guide block 32 close to the side guide roller 11. The first slider 311 and the second slider 312 are restricted by the first chute channel 321 and the second chute channel 322 to move up and down within a certain range.
Further, as shown in fig. 7, a horizontal first guide sleeve 36 is disposed on a side of the first connecting plate 351 close to the first screw shaft 28, a horizontal first guide shaft 37 is disposed on a side of the first guide block 32 close to the side guide roller 11, and the first guide sleeve 36 is slidably fitted over the first guide shaft 37. The first guide sleeve 36 can horizontally slide along the first guide shaft 37, and the stability of the horizontal movement of the side guide roller 11 is ensured.
Further, as shown in fig. 1, fig. 2, fig. 4, and fig. 8, the inner roller driving guide structure 40 includes a second motor 41, the second motor 41 is connected to a second driving guide mechanism, the second driving guide mechanism is connected to the inner arc guide roller 12, and the second motor 41 is configured to drive the second driving guide mechanism to drive the inner arc guide roller 12 to move up and down. In the present embodiment, the second motor 41 is a pneumatic motor, and the pneumatic motor driven by compressed air is used as a power source, so that the air conditioner is safer, has small maintenance amount, and has a longer service life in a high-temperature and high-humidity working environment in the secondary cooling chamber;
further, as shown in fig. 1 and 8, the second motor 41 is connected to a third speed reducer 43 through a second coupling 42, an output end of the third speed reducer 43 is horizontally disposed, and an output end of the third speed reducer 43 is connected to the second transmission guide mechanism.
Further, as shown in fig. 1 and 8, the second transmission guide mechanism includes a second screw shaft 44, the second screw shaft 44 is horizontally disposed, and one end of the second screw shaft is connected to the output end of the third speed reducer 43; a third screw thread part and a fourth screw thread part are horizontally arranged on the second screw shaft 44 at intervals, the screw directions of the third screw thread part and the fourth screw thread part are opposite, a third screw nut which is fixed in the circumferential direction is sleeved on the third screw thread part, a fourth screw nut which is fixed in the circumferential direction is sleeved on the fourth screw thread part, the second motor 41 drives the second screw shaft 44 to rotate around a horizontal central shaft through a third speed reducer 43, the third screw nut, the fourth screw nut and the second screw shaft 44 form a screw nut structure, and the third screw nut and the fourth screw nut convert the rotation of the second screw shaft 44 into horizontal movement in opposite directions;
the third lead screw nut can be hinged with the first end of the third connecting rod 333, the fourth lead screw nut can be hinged with the first end of the fourth connecting rod 334, the third connecting rod 333 and the fourth connecting rod 334 are arranged in an X-shaped cross mode, the second end of the third connecting rod 333 and the second end of the fourth connecting rod 334 are hinged to the second connecting disc 352 which is arranged horizontally, the inner arc guide roller 12 is connected to the bottom surface of the second connecting disc 352, and the third lead screw nut and the fourth lead screw nut drive the second connecting disc 352 to move up and down through the third connecting rod 333 and the fourth connecting rod 334.
Further, as shown in fig. 1, 6, and 8, the second transmission guide mechanism further includes a third slider 313 and a fourth slider 314, the third lead screw nut is fixedly connected to one end of the third slider 313 close to the third speed reducer 43, the fourth lead screw nut is fixedly connected to one end of the fourth slider 314 far from the third speed reducer 43, the second lead screw shaft 44 passes through the second guide block 38, a third sliding channel 381 and a fourth sliding channel 381 are disposed on the bottom surface of the second guide block 38, the third slider 313 can horizontally slide along the third sliding channel, the fourth slider 314 can horizontally slide along the fourth sliding channel 381, and the bottom of the second guide block 38 is provided with the second sliding channel baffle 62. The third slider 313 and the fourth slider 314 are restricted by the third chute channel and the fourth chute channel 381 to move horizontally within a certain range.
Further, as shown in fig. 2, a vertical second guide sleeve 39 is disposed on the top surface of the second connecting plate 352, a vertical second guide shaft is disposed at the bottom of the second guide block 38, and the second guide sleeve 39 is slidably sleeved on the second guide shaft. The second guide sleeve 39 can slide up and down along the second guide shaft, so that the stability of the vertical movement of the inner arc guide roller 12 is ensured.
Further, as shown in fig. 1, 3 and 5, the adaptive self-centering dynamic guiding device 100 further comprises a fixed frame 60, the fixed frame 60 is cooled by water, and the fixed frame 60 is welded by steel plates to provide necessary structural support for the outer arc guide rollers 10, the side guide rollers 11 and the inner arc guide rollers 12; the fixed frame 60 comprises a frame bottom plate 63, two ends of the frame bottom plate 63 respectively extend upwards to form frame upright posts 64, and the outer arc guide roller 10 is fixedly hinged on the frame bottom plate 63; each first guide block 32 is oppositely arranged on the frame upright posts 64 at the two ends respectively, one side of each frame upright post 64 close to the side guide roller is provided with an inner lining plate 65, a second chute baffle plate 62 is connected between the tops of the two inner lining plates 65, and the second guide block 38 is buckled on the second chute baffle plate 62; a first support 26 is arranged on the top surface of the second guide block 38, and a first motor 21 and a first speed reducer 23 are connected to the first support 26; a second support 27 is respectively arranged on the inner side of the top end of each frame upright 64, and a second speed reducer 25 is connected to the second support 27; the second chute way baffle 62 is provided with a third support 45, and the third support 45 is connected with a second motor 41 and a third speed reducer 43. The power sources of the side roller driving guide structure 20 and the inner roller driving guide structure 40, i.e., the first motor 21 and the second motor 41, are located at the top of the fixed frame 60, and the head space is large for easy operation and maintenance.
When the self-adaptive self-centering dynamic guide device 100 is used for pulling, a casting blank 50 is pulled out of a crystallizer and enters a dynamic blank guide space (between an outer arc guide roller 10, two side guide rollers 11 and an inner arc guide roller 12) of the self-adaptive self-centering dynamic guide device 100, a second motor 41 is started, a third connecting rod 333 and a fourth connecting rod 334 are driven to swing by a lead screw nut mechanism consisting of a second lead screw shaft 44, a third sliding block 313 and a fourth sliding block 314 which are sleeved on the second lead screw shaft and have opposite rotation directions, a second connecting plate 352 drives the inner arc guide roller 12 to move downwards, a certain pressure is applied to the inner arc side of the casting blank 50, and the outer arc surface of the casting blank 50 is always kept in contact with the roller surface of the outer arc guide roller 10; the first motor 21 is started, the first connecting rod 331 and the second connecting rod 332 are driven to swing by a lead screw nut mechanism consisting of the first lead screw shaft 28 and the first sliding block 311 and the second sliding block 312 which are sleeved on the first lead screw shaft and have opposite rotation directions, the first connecting disc 351 drives the side guide roller 11 to move towards the casting blank 50, certain pressure is applied to the side surface of the casting blank 50, and when the casting blank deviates, certain pressure is applied to the side guide roller 11 which deviates to one side, so that the casting blank 50 is automatically centered.
From the above, the self-adaptive self-centering dynamic guiding device provided by the invention has the following beneficial effects:
according to the self-adaptive self-centering dynamic guide device, the fixed outer arc guide roller is correspondingly provided with the inner arc guide roller capable of moving up and down, meanwhile, the pair of side guide rollers above the outer arc guide roller can also horizontally move towards or away from each other, the inner arc guide roller moves to realize the opening and clamping of the casting blank in the up-and-down direction, the side guide rollers move to realize the lateral opening and clamping of the casting blank, the casting blank is clamped by the inner arc guide roller and the pair of side guide rollers in the blank drawing process, and the self-centering and self-adaptation of a dynamic pressed blank guide space to the casting blank are ensured, so that the cooling uniformity of the casting blank is ensured, and the quality of the casting blank is improved; the inner arc guide roll and the side guide roll move to enable the guide space of the dynamic pressed blank to adapt to the section of the casting blank, and the device is suitable for a multi-flow and multi-section small square-circle continuous casting machine; in the self-adaptive self-centering dynamic guiding device, the first motor and the second motor are pneumatic motors, and the pneumatic motors driven by compressed air are used as power sources, so that the device is safer, small in maintenance amount and longer in service life in a high-temperature and high-humidity working environment in the secondary cooling chamber.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention should fall within the protection scope of the invention.
Claims (10)
1. A self-adaptive self-centering dynamic guide device is characterized by comprising a guide roller system capable of pressurizing a casting blank, wherein the guide roller system comprises an outer arc guide roller, an inner arc guide roller capable of moving up and down is arranged above the outer arc guide roller, and a central shaft of the outer arc guide roller and a central shaft of the inner arc guide roller are horizontally arranged and are positioned in the same vertical plane; two sides above the outer arc guide roller are respectively provided with one side guide roller in opposite directions, the central shaft of each side guide roller is vertically arranged and is positioned in the same vertical plane, the inner arc guide roller and the outer arc guide roller are horizontally staggered with each side guide roller, each side guide roller can simultaneously move horizontally in opposite directions or in opposite directions, and a dynamic green compact guide space capable of self-adapting and self-centering is formed among the outer arc guide roller, the two side guide rollers and the inner arc guide roller; the inner arc guide rollers are connected with inner roller driving guide structures capable of driving the inner arc guide rollers to move up and down, and each side guide roller is connected with a side roller driving guide structure capable of driving the side guide rollers to move horizontally; and cooling water channels are arranged in the outer arc guide roller, the inner arc guide roller and the two side guide rollers.
2. The adaptive self-centering dynamic guide apparatus according to claim 1, wherein the side roller driving guide structure comprises a first motor, 2 first driving guide mechanisms are connected to the first motor, each first driving guide mechanism is connected to each side guide roller, and the first motor is used for driving each first driving guide mechanism to drive the side guide rollers to move horizontally;
the first motor is connected with a first speed reducer through a first coupler, 2 first transmission shafts are symmetrically arranged on the first speed reducer, and the central shaft of each first transmission shaft is horizontally arranged and is parallel to the central shaft of the outer arc guide roller; the end part of each first transmission shaft, which is far away from the first speed reducer, is respectively connected with a second speed reducer, the output end of each second speed reducer is vertically arranged, and the output end of each second speed reducer is respectively connected with one first transmission guide mechanism.
3. The adaptive self-centering dynamic guide device according to claim 2, wherein the first transmission guide mechanism comprises a first screw shaft, the first screw shaft is vertically arranged, and the top end of the first screw shaft is connected to the output end of the second speed reducer; the first screw shaft is provided with a first screw thread part and a second screw thread part at intervals up and down, the screw directions of the first screw thread part and the second screw thread part are opposite, the first screw thread part is sleeved with a first screw nut fixed in the circumferential direction, the second screw thread part is sleeved with a second screw nut fixed in the circumferential direction, the first motor drives the first screw shaft to rotate around a vertical central shaft through the first speed reducer and the second speed reducer, the first screw nut, the second screw nut and the first screw shaft form a screw nut structure, and the first screw nut and the second screw nut convert the rotation of the first screw shaft into vertical movement in opposite directions;
first lead screw nut can be articulated with the first end of first connecting rod, second lead screw nut can be articulated with the first end of second connecting rod, first connecting rod with the second connecting rod is X type cross arrangement, the second end of first connecting rod with the second end of second connecting rod all articulates on the first link plate that is vertical setting, the side guide roll connect in on the first link plate, first lead screw nut with second lead screw nut passes through first connecting rod with the second connecting rod drives first link plate horizontal migration.
4. The adaptive self-centering dynamic guide device according to claim 3, wherein the first transmission guide mechanism further comprises a first slide block and a second slide block, the first lead screw nut is fixedly connected to the top of the first slide block, the second lead screw nut is fixedly connected to the bottom of the second slide block, a first guide block is fixedly arranged at the lower part of the first lead screw shaft, a first slide groove channel is arranged at one side of the first guide block close to the side guide roller from the top end to the bottom end, a second slide groove channel is arranged at one side of the first guide block close to the side guide roller from the bottom end to the top end, the first slide groove channel and the second slide groove channel are arranged at intervals up and down, the first slide block can slide up and down along the first slide groove channel, and the second slide block can slide up and down along the second slide groove channel; and a first chute channel baffle is arranged on one side of the first guide block, which is close to the side guide roller.
5. The adaptive self-centering dynamic guide device according to claim 4, wherein a horizontal first guide sleeve is disposed on a side of the first connecting disc close to the first screw shaft, a horizontal first guide shaft is disposed on a side of the first guide block close to the side guide roller, and the first guide sleeve is slidably fitted over the first guide shaft.
6. The adaptive self-centering dynamic guiding device according to claim 4, wherein the inner roller driving guiding structure comprises a second motor, a second driving guiding mechanism is connected to the second motor, the second driving guiding mechanism is connected to the inner arc guiding roller, and the second motor is used for driving the second driving guiding mechanism to drive the inner arc guiding roller to move up and down.
7. The adaptive self-centering dynamic steering apparatus according to claim 6, wherein the second motor is connected to a third speed reducer through a second coupling, an output end of the third speed reducer is horizontally disposed, and an output end of the third speed reducer is connected to the second transmission steering mechanism.
8. The adaptive self-centering dynamic guiding device according to claim 7, wherein the second transmission guiding mechanism comprises a second screw shaft, the second screw shaft is horizontally arranged, and one end of the second screw shaft is connected to the output end of the third speed reducer; a third screw thread part and a fourth screw thread part are horizontally arranged on the second screw shaft at intervals, the screw directions of the third screw thread part and the fourth screw thread part are opposite, a third screw nut which is fixed in the circumferential direction is sleeved on the third screw thread part, a fourth screw nut which is fixed in the circumferential direction is sleeved on the fourth screw thread part, the second motor drives the second screw shaft to rotate around a horizontal central shaft through the third speed reducer, the third screw nut, the fourth screw nut and the second screw shaft form a screw nut structure, and the third screw nut and the fourth screw nut convert the rotation of the second screw shaft into horizontal movement in opposite directions;
the third lead screw nut can be hinged with a first end of a third connecting rod, the fourth lead screw nut can be hinged with a first end of a fourth connecting rod, the third connecting rod and the fourth connecting rod are arranged in an X-shaped crossed mode, a second end of the third connecting rod and a second end of the fourth connecting rod are hinged to a second connecting disc which is arranged horizontally, the inner arc guide roller is connected to the bottom surface of the second connecting disc, and the third lead screw nut and the fourth lead screw nut drive the second connecting disc to move up and down through the third connecting rod and the fourth connecting rod;
the second transmission guide mechanism further comprises a third slider and a fourth slider, the third lead screw nut is fixedly connected to one end, close to the third speed reducer, of the third slider, the fourth lead screw nut is fixedly connected to one end, far away from the third speed reducer, of the fourth slider, the second lead screw shaft penetrates through the second guide block, the bottom surface of the second guide block upwards provides a third chute channel and a fourth chute channel, the third slider can be guided along the third chute channel to horizontally slide, the fourth slider can be guided along the fourth chute channel to horizontally slide, and the bottom of the second guide block is provided with a second chute channel baffle.
9. The adaptive self-centering dynamic guide device according to claim 8, further comprising a fixed frame, wherein the fixed frame comprises a frame bottom plate, frame upright posts are respectively extended upwards from two ends of the frame bottom plate, and the outer arc guide roller is fixedly hinged on the frame bottom plate; the first guide blocks are respectively oppositely arranged on the frame upright columns at two ends, one side of each frame upright column close to the side guide roller is provided with an inner lining plate, the top parts of the two inner lining plates are connected with a second chute baffle, and the second guide blocks are buckled on the second chute baffle; a first support is arranged on the top surface of the second guide block, and the first support is connected with the first motor and the first speed reducer; a second support is arranged on the inner side of the top end of each frame upright column respectively, and a second speed reducer is connected to the second support; and a third support is arranged on the second chute channel baffle, and the third support is connected with the second motor and the third speed reducer.
10. The adaptive, self-centering, dynamic steering device according to claim 6, wherein said first motor and said second motor are both pneumatic motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010310673.2A CN113523212A (en) | 2020-04-20 | 2020-04-20 | Self-adaptive self-centering dynamic guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010310673.2A CN113523212A (en) | 2020-04-20 | 2020-04-20 | Self-adaptive self-centering dynamic guiding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113523212A true CN113523212A (en) | 2021-10-22 |
Family
ID=78123561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010310673.2A Pending CN113523212A (en) | 2020-04-20 | 2020-04-20 | Self-adaptive self-centering dynamic guiding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113523212A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799106A (en) * | 2022-06-01 | 2022-07-29 | 娄底职业技术学院 | Continuous casting machine based on liquid level control of continuous casting crystallizer |
| CN115041650A (en) * | 2022-06-27 | 2022-09-13 | 马鞍山钢铁股份有限公司 | Continuous casting billet guiding and conveying device |
-
2020
- 2020-04-20 CN CN202010310673.2A patent/CN113523212A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799106A (en) * | 2022-06-01 | 2022-07-29 | 娄底职业技术学院 | Continuous casting machine based on liquid level control of continuous casting crystallizer |
| CN115041650A (en) * | 2022-06-27 | 2022-09-13 | 马鞍山钢铁股份有限公司 | Continuous casting billet guiding and conveying device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113523212A (en) | Self-adaptive self-centering dynamic guiding device | |
| KR102373963B1 (en) | Rolling mill area production equipment with push plate angle-adjustable side guide and hot rolling production line | |
| KR101327766B1 (en) | Plunger type laminar flow cooling device | |
| CN212070338U (en) | Self-adaptive self-centering dynamic guiding device | |
| GB2105229A (en) | Apparatus for continuous casting of steel in different formats | |
| EP3821993B1 (en) | Rolling mill area production equipment with rotating grabs and hot rolling production line | |
| CN109518105B (en) | Cooling equipment for special copper bar smelting and forming | |
| JPS63268512A (en) | Blank guiding method to fin pass roll and its guide roll stand | |
| US5195345A (en) | Reversing two-high section rolling mill stand | |
| CA1271443A (en) | Manufacture of metal extrusions | |
| WO1988006930A1 (en) | Rolling mill housing structure | |
| US4329864A (en) | Apparatus for changing rolls in vertical rolling mills | |
| KR100340552B1 (en) | Apparatus for pinching ring member | |
| KR101357563B1 (en) | Side guide apparatus for material | |
| CN115283477B (en) | Rolling and coil changing equipment of hot rolled steel coil production line | |
| CN216462692U (en) | Extrusion roll adjusting and driving device on high-frequency welding machine | |
| CN113399452B (en) | H-shaped steel hot rolling production method | |
| CN117798538B (en) | Beam welding robot of hydraulic machine | |
| KR200285929Y1 (en) | Yoke lifting device of rolling mill | |
| CN215508674U (en) | Discharging mechanism of steel pipe holding device | |
| CN117066325B (en) | Steel structure steel bending device | |
| RU2067922C1 (en) | Mill for manufacturing finned tubes by high-frequency welding | |
| CN217616880U (en) | Drawing machine for cold-drawn steel processing | |
| CN216679610U (en) | Continuous winding device for copper pipe rolling | |
| JPS6225441B2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |