CN215845590U - Internal cooling conveying roller way for metallurgical process - Google Patents
Internal cooling conveying roller way for metallurgical process Download PDFInfo
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- CN215845590U CN215845590U CN202121651643.4U CN202121651643U CN215845590U CN 215845590 U CN215845590 U CN 215845590U CN 202121651643 U CN202121651643 U CN 202121651643U CN 215845590 U CN215845590 U CN 215845590U
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Abstract
An internal cooling roller conveyor for a metallurgical process belongs to the technical field of metallurgical equipment. The utility model solves the problems that the roller body cooling direction of the internal cooling conveying roller way is not clear, and cooling media entering and exiting the inner cavity of the roller way are mixed and interwoven together. The utility model installs the internal cooling guide cylinder in the roller body of the roller conveyor, the external cylindrical surface of the internal cooling guide cylinder is matched with the internal cylindrical surface of the roller body to form a matching space, and the internal hole of the internal cooling guide cylinder is closely matched with the external cylindrical surface of the cooling medium guide cylinder installed in the center of the roller conveyor; a gap cooling layer is formed in a matching space between the outer cylindrical surface of the internal cooling guide cylinder and the inner cylindrical surface of the roller body; and the rotary joint is connected and installed on the end surface of the shaft head at the driven side of the conveying roller way through a bolt. The utility model realizes the whole full-closed cooling loop, one-way flow and complete separation of water inlet and water return, strengthens the cooling effect of the roller body, effectively reduces the temperature of the roller surface and realizes the aims of low deformation and long service life.
Description
Technical Field
The utility model belongs to the technical field of metallurgical equipment, and particularly relates to an internal cooling conveying roller way for a metallurgical process.
Background
Roller way transportation in the metallurgical process is an important link in the production process and is used for conveying or operating various billets (such as continuous casting billets) and the like. The temperature of objects such as the transported casting blank is higher, the whole temperature of the conveying roller way is increased through contact heat transfer, convection heat transfer and heat radiation, the temperature of the roller surface is increased more obviously, the working condition is very severe, after the roller body is used for a period of time, the roller body can generate additional thermal deformation, the mechanical property strength and the wear resistance of the roller body are obviously reduced, the probability of cracks of the transported casting blank of a special variety is increased, the quality of the casting blank is influenced, and therefore, the requirement on the integrity of the conveying roller way equipment is strict.
The roller way body is cooled by a water cooling mode, a water source is introduced into the roller way through a rotary joint, the roller way body is full of the whole roller cavity, water is fed and returned to the roller way body in an interweaving and mixing mode, a large amount of water is retained, water is drained by mistake, the roller way body is not directly cooled and directed clearly, the efficiency of a cooling medium cannot be fully exerted, the cooling effect is poor, and a large amount of power energy for conveying the cooling medium is wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that the cooling direction of the roller body of the internal cooling conveying roller way is not clear and cooling media entering and exiting the inner cavity of the roller way are mixed and interwoven, and the roller body of the conveying roller way is subjected to reinforced directional cooling, so that the water inlet and the water outlet of the cooling media are thoroughly separated, the roller body of the conveying roller way is rapidly discharged through a rotary joint, the roller body of the conveying roller way is subjected to forced cooling according to the water outlet temperature, and the temperature of the whole machine of the conveying roller way is controlled below 70 ℃, so that the service life of the conveying roller way is prolonged.
The utility model adopts the following technical scheme: the internal cooling conveying roller way comprises a roller body 1, an internal cooling guide cylinder 2, a cooling medium leading-in pipe 3, a driven side bearing 4, a driven side bearing seat 5, a rotary joint 6, a roller way supporting beam 7, a driving side shaft head 8, a bolt 9, a driving side bearing 10, a driving side bearing seat 11, a driving side steel plate 12, a driven side steel plate 13 and a driven side shaft head 14.
The internal cooling guide cylinder 2 is arranged in a roller conveying roller body consisting of a roller body 1, a driving side shaft head 8, a driving side steel plate 12, a driven side steel plate 13 and a driven side shaft head 14, bearings and bearing seats are symmetrically arranged at two ends of the roller conveying roller body, the driving side bearing 10 is arranged in the driving side bearing seat 11 and on a shaft neck of the driving side shaft head 8, the driven side bearing 4 is arranged in the driven side bearing seat 5 and on a shaft neck of the driven side shaft head 14, the driving side bearing seat 11 and the driven side bearing seat 5 are arranged on a roller supporting beam 7, and the roller supporting beam 7 is fixed; external rotary power is transmitted to the connecting shaft extension at the end part of the driving side shaft head 8, so that the rotary transportation function of the conveying roller way is realized. The outer cylindrical surface of the internal cooling guide cylinder 2 is matched with the inner cylindrical surface of the roller body 1 to form a matching space, and an inner hole is tightly matched with the outer cylindrical surface of a cooling medium leading-in pipe 3 arranged at the center of the conveying roller way; a gap cooling layer is formed in a matching space between the outer cylindrical surface of the internal cooling guide cylinder 2 and the inner cylindrical surface of the roller body 1; the rotary joint 6 at the driven side of the conveying roller way is connected and installed on the end surface of the shaft head 14 at the driven side of the conveying roller way through a bolt 9, and a central cylinder of the rotary joint 6 is tightly sleeved in the cooling medium leading-in pipe 3 and provides cooling medium with pressure into the pipe. The cooling medium leading-in pipe 3 extends into the hole of the driving side shaft head 8 at the driving side of the conveying roller way to form an annular space with the inner wall surface of the hole; a crack layer is formed between the driving side steel plate 12 and the left end face of the internal cooling guide cylinder 2, and a crack layer is formed between the driven side steel plate 13 and the right end face of the internal cooling guide cylinder 2; the cooling medium leading-in pipe 3 and the driven side shaft head 14 inner hole wall surface form an annular space, the cooling medium is discharged out of the roller conveyor roller body through the rotary joint 6 after being collected, and the annular space and the crack layer are connected in series to form a closed loop pipeline.
The excircle of the internal cooling guide cylinder 2 is a smooth cylindrical surface, and a crack layer is formed between the excircle of the internal cooling guide cylinder 2 and the inner circle of the roller body 1.
And axial parallel rectangular grooves or rectangular spiral grooves are distributed on the excircle of the internal cooling guide cylinder 2.
One end driving side of the conveying roller way is provided with a connecting shaft extension which is connected with and drives the conveying roller way to rotate, and the other end driven side of the conveying roller way is provided with a rotary joint. The rotary joint introduces a water source to enter the driving side of the roller way through a cooling medium lead-in pipe arranged at the center of the roller way, the bearing and the bearing seat are cooled, water flow flows reversely, the left end surface of the internal cooling guide cylinder and a crack formed on the surface of a steel plate on the driving side of the roller way are radially shunted and then flow into a rectangular spiral groove of the internal cooling guide cylinder (which is convenient for machining a cooling water groove of the internal cooling guide cylinder and can also be a straight-through cooling water groove, the cooling length is shortened, and only the cooling effect is weakened a little), the excircle of the internal cooling guide cylinder is matched with the inner circle of the roller body by national standard, the water flow passes through the rectangular spiral groove of the cooling guide cylinder under the action of water pressure and then flows to the driven side of the roller way, the crack formed on the right end surface of the internal cooling guide cylinder and the surface of the steel plate on the driven side converges to flow into the middle part radially to flow into the excircle of the cooling medium lead-in pipe and form an annular space with the inner hole wall surface of a roller way head, cooling a driven side bearing and a driven side bearing seat on the driven side of the conveying roller way, discharging effluent from the roller way through a rotary joint, and simultaneously taking away high-temperature heat of the conveying roller way collected in the flowing process of a cooling medium, wherein the heat exchange mode of cooling the conveying roller way is mainly convection heat exchange and is added with a small amount of heat conduction heat exchange; the temperature of the roller body of the conveying roller way is controlled by the intensity cooling of cooling water, and the required temperature of the roller body of the conveying roller way is realized. The cooling medium flows in and out to form a cooling loop, so that the full sealing is realized, the water inlet and the water return are completely separated, and the energy of the cooling medium is fully utilized. The cooling water tank is arranged on the internal cooling guide cylinder, so that the machining is greatly facilitated; the cooperation of inside cooling guide cylinder excircle and interior circle of roll body can adopt clearance fit after the clearance fit to adopt clearance fit, and the running water of cooling trough will scurry the phenomenon a bit, nevertheless is driven forward under hydraulic effect totally, does not have coolant to be detained the phenomenon. The internal cooling guide cylinder is in contact with the inside of the roller body and is coaxially assembled, so that the roller body of the conveying roller way is supported and reinforced, and particularly, the effect on the conveying roller way with the long roller body is obvious.
Under the condition that the plain noodles cylinder was made to inside cooling guide cylinder excircle, then, leave certain clearance between inside cooling guide cylinder excircle and the rollgang roller body circle, form the crack cooling, through heat convection, take away rollgang in modes such as heat conduction in the abominable operating mode environment with the heat of rollgang entity of gathering with heat conduction, play the holistic cooling effect of rollgang equally.
The utility model has the following advantages: due to the adoption of the structural design provided by the utility model, the metallurgical process realizes full sealing by using the internal cooling roller way cooling loop, the cooling medium flows in a single direction, and the cooling efficiency is improved. The internal cooling guide cylinder is separately machined, the forming and machining of the cooling groove are very convenient, and the assembly of the internal cooling guide cylinder is simple and easy. The roller conveying device has the advantages that the roller conveying device realizes directional enhanced cooling of the roller conveying device at the set temperature, forcibly cools the roller conveying device according to the water outlet temperature of the rotary joint, realizes the required temperature of the roller conveying device, and guarantees the quality of conveyed articles under the condition that the mechanical performance of the roller conveying device is maintained in a good state.
Drawings
FIG. 1 is a design drawing of an internal cooling roller conveyor for a metallurgical process. Wherein, 1, a roller body; 2. an internal cooling guide cylinder; 3. a cooling medium introduction pipe; 4. a driven side bearing; 5. a driven side bearing block; 6. a rotary joint; 7. a roller way supporting beam; 8. driving the side shaft head; 9. a bolt; 10. a drive side bearing; 11. a drive side bearing housing; 12. a drive-side steel plate; 13. a driven side steel plate; 14. and a driven side shaft head.
Fig. 2 is a view showing the structure of an internally cooled guide cylinder of the member 2. The left and right structures of the cooling guide cylinder in the part 2 are the same, cooling media are radially divided or radially converged and collected, and a cooling groove is machined on the surface of an outer circle or a smooth cylindrical surface is formed.
Detailed Description
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The roller body 1, the driving side shaft head 8, the driving side steel plate 12, the driven side steel plate 13 and the driven side shaft head 14 form a roller conveying table roller body, external rotary power is input to a connecting shaft extension at the end part of the driving side shaft head 8 of the roller conveying table, and a left driving side bearing 10 of the roller conveying table is arranged in the driving side bearing seat 11 and on a shaft neck of the driving side shaft head 8; the driven side bearing 4 on the right side of the conveying roller way is arranged in the driven side bearing 5 and on a driven side shaft head 14 shaft neck; the driving side bearing seat 11 and the driven side bearing seat 5 are arranged on the roller way supporting beam 7, the roller way supporting beam 7 is fixed, and the functions of conveying the roller way in a rotating and transporting mode are realized through interaction of a plurality of pieces.
Referring to fig. 1, a rotary joint 6 at the driven side of the roller way introduces a cooling water source into a cooling medium introducing pipe 3, the cooling medium introducing pipe 3 extends into the roller way and is communicated with the inside of a hole of a driving side shaft head 8 at the driving side at the other end of the roller way to form an annular space with the inner wall surface of the hole, and the cooling medium hardly exchanges heat in the conveying process; referring to fig. 2, the arrow direction indicates the flow direction of the cooling medium, the cooling medium after cooling the drive side bearing 10 and the drive side bearing seat 11 on the drive side of the roller conveyor is radially split in the crack layer formed by the drive side steel plate 12 and the left end surface of the internal cooling guide cylinder 2 and enters the rectangular spiral groove of the internal cooling guide cylinder 2, the pitch of the rectangular spiral groove is set to the length of the internal cooling guide cylinder 2, that is, the cooling medium cools the inner surface of the roller body of the roller conveyor for one circle and then flows out to the driven side of the roller conveyor; taking the outer diameter phi 415mm of the roller body of the conveying roller way as an example, the number of circumferential sections of the outer circle of the rectangular spiral groove on the internal cooling guide cylinder 2 is 8-12; the groove width of the rectangular spiral groove is 30-40 mm on the axial section of the internal cooling guide cylinder 2, the groove depth is 5-30 mm, and the groove intervals are uniformly distributed in the length direction of the internal cooling guide cylinder 2; if the depth of the cooling groove is set to be 0mm, namely under the condition that the outer circle of the internal cooling guide cylinder 2 is made into a smooth cylindrical surface, a certain gap is reserved between the outer circle of the internal cooling guide cylinder 2 and the inner circle of the roller body, the circumferential radial gap distance is 5-20 mm, the gap is uniformly distributed, and a gap is formed between the outer circle of the internal cooling guide cylinder 2 and the inner circle of the roller body 1 of the conveying roller way for cooling; the cooling medium is converged in a crack layer formed by a driven side steel plate 13 on the driven side of the roller way and the right end surface of the internal cooling guide cylinder 2 and flows into the outer circle of the cooling medium leading-in pipe 3 and the inner hole wall surface of the driven side shaft head 14 along the radial direction to form an annular space, the driven side bearing 4 and the driven side bearing seat 5 on the right side of the roller way are cooled, the discharged water is discharged from the roller way through the rotary joint 6, and meanwhile, the high-temperature heat of the roller way collected by the cooling medium in a cooling loop is taken away, so that the integral cooling of the roller way is realized.
The rotary joint 6 is fixedly connected with the end surface of the driven side shaft head 14 of the conveying roller way through a bolt 9, so that the maintenance and the replacement of the rotary joint 6 are facilitated; the processing requirements of the mounting end face and the mounting hole are more than Ra3.2, a sealing ring is applied to a connecting joint surface for sealing so as to increase the sealing effect, the whole metallurgical process realizes full sealing and unidirectional cooling flow by using an internal cooling conveying roller way cooling loop, the cooling efficiency of a cooling medium is fully utilized, and when a temperature detection element detects that the key part of the conveying roller way has local high temperature, the cooling strength is enhanced by adjusting the outlet pressure of the cooling medium, so that the conveying roller way is ensured to work at normal temperature, normal equipment performance is exerted, and the service life of the conveying roller way is prolonged.
Claims (3)
1. The utility model provides an inside cooling rollgang for metallurgical process which characterized in that: the conveying roller way comprises a roller body (1), an internal cooling guide cylinder (2), a cooling medium leading-in pipe (3), a driven side bearing (4), a driven side bearing seat (5), a rotary joint (6), a roller way supporting beam (7), a driving side shaft head (8), a bolt (9), a driving side bearing (10), a driving side bearing seat (11), a driving side steel plate (12), a driven side steel plate (13) and a driven side shaft head (14);
the internal cooling guide cylinder (2) is arranged in a roller conveying roller body consisting of a roller body (1), a driving side shaft head (8), a driving side steel plate (12), a driven side steel plate (13) and a driven side shaft head (14), bearings and bearing seats are symmetrically arranged at two ends of the roller conveying roller body, the driving side bearings (10) are arranged in the driving side bearings (11) and on the shaft neck of the driving side shaft head (8), the driven side bearings (4) are arranged in the driven side bearings (5) and on the shaft neck of the driven side shaft head (14), the driving side bearings (11) and the driven side bearings (5) are arranged on a roller supporting beam (7), and the roller supporting beam (7) is fixed; external rotary power is transmitted to the end part connecting shaft extension of the driving side shaft head (8); the outer cylindrical surface of the internal cooling guide cylinder (2) is matched with the inner cylindrical surface of the roller body (1) to form a matching space, and an inner hole is tightly matched with the outer cylindrical surface of a cooling medium leading-in pipe (3) arranged at the center of the conveying roller way; a gap cooling layer is formed in a matching space between the outer cylindrical surface of the internal cooling guide cylinder (2) and the inner cylindrical surface of the roller body (1); a rotary joint (6) at the driven side of the conveying roller way is connected and installed on the end surface of a shaft head (14) at the driven side of the conveying roller way through a bolt (9), and a central cylinder of the rotary joint (6) is tightly sleeved in a cooling medium leading-in pipe (3); the cooling medium leading-in pipe (3) extends into the hole of the driving side shaft head (8) at the driving side of the conveying roller way to form an annular space with the inner wall surface of the hole; a crack layer is formed between the driving side steel plate (12) and the left end face of the internal cooling guide cylinder (2), and a crack layer is formed between the driven side steel plate (13) and the right end face of the internal cooling guide cylinder (2); an outer circle of the cooling medium leading-in pipe (3) and the wall surface of an inner hole of the driven side shaft head (14) form an annular space, cooling medium is discharged out of a roller body of the roller conveyor by the rotary joint (6) after being collected, and the annular space and the crack layer are connected in series to form a closed loop pipeline.
2. Internal cooling rollgang for metallurgical processes according to claim 1, characterized in that: the outer circle of the internal cooling guide cylinder (2) is a smooth cylindrical surface, and a crack layer is formed between the outer circle of the internal cooling guide cylinder (2) and the inner circle of the roller body (1).
3. Internal cooling rollgang for metallurgical processes according to claim 2, characterized in that: the excircle of the internal cooling guide cylinder (2) is distributed with axial parallel rectangular grooves or rectangular spiral grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121651643.4U CN215845590U (en) | 2021-07-20 | 2021-07-20 | Internal cooling conveying roller way for metallurgical process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121651643.4U CN215845590U (en) | 2021-07-20 | 2021-07-20 | Internal cooling conveying roller way for metallurgical process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215845590U true CN215845590U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121651643.4U Active CN215845590U (en) | 2021-07-20 | 2021-07-20 | Internal cooling conveying roller way for metallurgical process |
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| Country | Link |
|---|---|
| CN (1) | CN215845590U (en) |
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2021
- 2021-07-20 CN CN202121651643.4U patent/CN215845590U/en active Active
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