Structure for feeding cooling water into and discharging cooling water from casting roller of continuous casting and rolling machine
Technical Field
The utility model belongs to the technical field of cast rolling, a structure of continuous casting and rolling machine casting roll business turn over cooling water is related to.
Background
The casting and rolling process features that two rotary casting rolls with water cooling system are used as crystallizer, and the melt is solidified and hot rolled between the rolls in short time.
The existing casting roller cooling device can not realize the rapid cooling of the roller main body by a method combining water cooling and air cooling during cooling; and the auxiliary air injection cooling cannot be realized in a linkage manner; and the contact area of the roller main body and water is not enough, and the cooling effect is not good.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a structure of continuous casting and rolling machine casting roll business turn over cooling water to solve the problem that current cooling device cooling effect is not good.
The utility model relates to a purpose and efficiency of structure of continuous casting and rolling machine casting roll business turn over cooling water is reached by following concrete technological means:
a structure for cooling water inlet and outlet of a casting roller of a continuous casting and rolling machine comprises a frame body; the frame body is rotatably connected with a lower die-casting roller and an upper die-casting roller structure, the frame body is rotatably connected with an upper driving shaft, and the upper driving shaft is in meshing transmission with the upper die-casting roller structure; a lower driving shaft is arranged on the lower die-casting roller; the support body is rotatably connected with a heat dissipation structure, and the support body is provided with an elastic gas cylinder.
Further, the upper die-casting roller structure comprises a roller main body, a gear A, a poking arm, a spray pipe and a water inlet pipe, wherein the gear A and the poking arm are mounted on the roller main body, and the roller main body is of a hollow structure; the roller main body is connected with a spray pipe, and a plurality of spray heads are arranged on the spray pipe in a rectangular array; the spray pipe is connected with the water inlet pipe, the water inlet pipe is connected with an external water pump, and the roller main body and the spray pipe jointly form a dual cooling structure after water flow enters the water inlet pipe.
Further, the roller main body comprises cooling grooves, a plurality of cooling grooves are formed in the inner wall of the roller main body in a rectangular array shape, and the cross sections of the cooling grooves are of semicircular annular groove-shaped structures.
Furthermore, the heat dissipation structure comprises a rotating shaft, heat dissipation blades and a gear B, wherein the rotating shaft is rotatably connected to the frame body, and the rotating shaft is provided with a plurality of heat dissipation blades in a rectangular array; the rotating shaft is provided with a gear B, the gear B is meshed with the gear A, and the rotating shaft and the radiating blades are in a rotating state when the upper die-casting roller structure rotates.
Further, the elastic gas cylinder comprises a gas pipe, the gas pipe is mounted on the elastic gas cylinder, and the gas pipe is provided with a gas orifice; the top end face of the elastic gas cylinder is in contact with the shifting arm, and when the shifting arm rotates along with the roller main body, the elastic gas cylinder is in an extrusion state.
Furthermore, a one-way valve is arranged in the elastic gas cylinder, the gas pipe is in a gas injection state when the elastic gas cylinder is extruded, and the gas storage state of the elastic gas cylinder is realized when the elastic gas cylinder is reset.
Compared with the prior art, the utility model discloses following beneficial effect has:
improved heat radiation structure, can realize water-cooling and forced air cooling inter combination through the improvement, and can also link the jet-propelled cooling that realizes intermittent type formula, specifically as follows: firstly, the spray pipe is connected with the water inlet pipe, the water inlet pipe is connected with an external water pump, and after water flows enter the water inlet pipe, the roller main body and the spray pipe jointly form a dual cooling structure, so that the cooling efficiency is improved; secondly, when the upper die-casting roller structure rotates, on one hand, the rotating shaft is provided with the gear B, the gear B is meshed with the gear A, and when the upper die-casting roller structure rotates, the rotating shaft and the radiating blades are in a rotating state, so that wind power radiation can be realized; on the other hand, the top end face of the elastic gas cylinder is in contact with the shifting arm, and when the shifting arm rotates along with the roller main body, the elastic gas cylinder is in an extrusion state, so that intermittent air injection cooling of the roller main body can be realized.
The roller main body structure is improved, the plurality of cooling grooves are formed in the rectangular array mode on the inner wall of the roller main body, and the cross sections of the cooling grooves are of semicircular annular groove-shaped structures, so that the contact area between the inner wall of the roller main body and water can be enlarged, and the cooling efficiency is improved.
Drawings
Fig. 1 is a schematic axial view of the present invention.
Fig. 2 is a schematic axial view of the present invention in another direction shown in fig. 1.
Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present invention.
Fig. 4 is an enlarged schematic structural diagram of fig. 2B according to the present invention.
Fig. 5 is a schematic top view of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a frame body; 2. pressing a casting roller; 3. an upper die-casting roll structure; 301. a roller body; 30101. a cooling tank; 302. a gear A; 303. a poking arm; 304. a nozzle; 305. a water inlet pipe; 4. an upper drive shaft; 5. a lower drive shaft; 6. a heat dissipation structure; 601. a rotating shaft; 602. a heat dissipating fin; 603. a gear B; 7. an elastic gas cylinder; 701. the trachea.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 5:
the utility model provides a structure for cooling water inlet and outlet of a casting roller of a continuous casting and rolling machine, which comprises a frame body 1; a lower die-casting roller 2 and an upper die-casting roller structure 3 are rotatably connected to the frame body 1, an upper driving shaft 4 is rotatably connected to the frame body 1, and the upper driving shaft 4 is in meshing transmission with the upper die-casting roller structure 3; the lower die casting roller 2 is provided with a lower driving shaft 5; the support body 1 is rotatably connected with a heat dissipation structure 6, and the support body 1 is provided with an elastic gas cylinder 7.
Referring to fig. 3, the upper die-casting roll structure 3 includes a roll main body 301, a gear a302, a toggle arm 303, a nozzle 304 and a water inlet pipe 305, the gear a302 and the toggle arm 303 are mounted on the roll main body 301, and the roll main body 301 is a hollow structure; the roller main body 301 is connected with spray pipes 304, and a plurality of spray heads are arranged on the spray pipes 304 in a rectangular array; spray tube 304 is connected with inlet tube 305 to water pipe 305 is connected with external water pump, and roller main part 301 constitutes dual cooling structure with spray tube 304 jointly after rivers enter into inlet tube 305, thereby has improved cooling efficiency.
Referring to fig. 4, the roller body 301 includes cooling grooves 30101, a plurality of cooling grooves 30101 are formed on the inner wall of the roller body 301 in a rectangular array, and the section of each cooling groove 30101 is in a semicircular annular groove-shaped structure, so that the contact area between the inner wall of the roller body 301 and water can be enlarged, and the cooling efficiency is improved.
Referring to fig. 3, the heat dissipation structure 6 includes a rotating shaft 601, heat dissipation blades 602 and a gear B603, wherein the rotating shaft 601 is rotatably connected to the frame body 1, and a plurality of heat dissipation blades 602 are mounted on the rotating shaft 601 in a rectangular array; the rotating shaft 601 is provided with a gear B603, the gear B603 is meshed with the gear A302, and the rotating shaft 601 and the radiating blades 602 are in a rotating state when the upper die-casting roller structure 3 rotates, so that wind power radiation can be realized.
Referring to fig. 3, the elastic gas cylinder 7 comprises a gas pipe 701, the gas pipe 701 is mounted on the elastic gas cylinder 7, and the gas pipe 701 is provided with a gas injection hole; the top end face of the elastic gas cylinder 7 is in contact with the toggle arm 303, and when the toggle arm 303 rotates along with the roller main body 301, the elastic gas cylinder 7 is in a squeezing state, so that intermittent air injection cooling of the roller main body 301 can be realized.
Referring to fig. 3, a one-way valve is disposed in the elastic gas cylinder 7, and the gas pipe 701 is in a gas injection state when the elastic gas cylinder 7 is pressed, and in a gas storage state when the elastic gas cylinder 7 is reset.
The specific use mode and function of the embodiment are as follows:
when the double-cooling roller is used, firstly, the spray pipe 304 is connected with the water inlet pipe 305, the water inlet pipe 305 is connected with an external water pump, and after water flows enter the water inlet pipe 305, the roller main body 301 and the spray pipe 304 jointly form a double-cooling structure, so that the cooling efficiency is improved; secondly, when the upper die-casting roller structure 3 rotates, on one hand, the rotating shaft 601 is provided with the gear B603, the gear B603 is meshed with the gear a302, and when the upper die-casting roller structure 3 rotates, the rotating shaft 601 and the radiating blades 602 are in a rotating state, so that wind power radiation can be realized; on the other hand, the top end face of the elastic gas cylinder 7 is in contact with the toggle arm 303, and when the toggle arm 303 rotates along with the roller main body 301, the elastic gas cylinder 7 is in a squeezing state, so that intermittent air injection cooling of the roller main body 301 can be realized;
in the use, because of the roller main part 301 inner wall is the rectangular array form and has seted up a plurality of cooling tank 30101, and the cooling tank 30101 cross-section is the annular groove-shaped structure of semicircle form to can enlarge the area of contact of roller main part 301 inner wall and water, and then improve cooling efficiency.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.