CN210916196U - Internal cooling type hot conveying roller way - Google Patents
Internal cooling type hot conveying roller way Download PDFInfo
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- CN210916196U CN210916196U CN201921362442.5U CN201921362442U CN210916196U CN 210916196 U CN210916196 U CN 210916196U CN 201921362442 U CN201921362442 U CN 201921362442U CN 210916196 U CN210916196 U CN 210916196U
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Abstract
The utility model relates to an interior cooling formula heat send roll table belongs to metallurgical industry hot rolling roll table equipment technical field. The technical scheme is as follows: the through hole (6) that inlet tube (4) passed through transmission shaft (3) stretch into in cavity (5) of roll body (1), set up a plurality of supporting disks (7) on inlet tube (4) in cavity (5), the axle center of supporting disk (7) is equipped with inlet tube (4) matched with accommodation hole (72), and the circumferencial direction of accommodation hole (72) is provided with a plurality of and rotates wheel (8) and axis of rotation (9) that are on a parallel with supporting disk (7) axis, and supporting disk (7) rotate wheel (8) through a plurality of in accommodation hole (72) and rotate and connect on inlet tube (4), has still seted up a plurality of water holes (71) of crossing on the circumferencial direction of supporting disk (7). The utility model has the advantages that: the water inlet pipe can be prevented from drooping and interfering with the high-speed rotating roller body, the normal operation of the roller way is influenced, and the cooling water circulation effect is improved.
Description
Technical Field
The utility model relates to an interior cooling formula heat send roll table belongs to metallurgical industry hot rolling roll table equipment technical field.
Background
In the metallurgical industry, hot rolled steel billets enter a furnace and leave a furnace conveying roller way to work in a high-temperature severe environment, and water cooling treatment is required for normal operation of equipment. The common cooling mode comprises an external cooling type and an internal cooling type, water inlet and water return of an internal cooling type roller way are arranged on the transmission side of a conveying roller, cold water enters from the transmission side of the conveying roller, the conveying roller is cooled by circulating a circle in a roller body, and the cold water absorbs heat and becomes hot water which is discharged from the transmission side of the conveying roller.
The inlet tube in the roller body inner chamber inserts the roller body other end from the one end of roller body, and cold water passes through the inlet tube and gets into the roller body inner chamber, and the roll table during operation, the conveying roller is high-speed rotatory, but establishes the inlet tube of inserting in the inner chamber and be immovable. In order to ensure good water circulation effect, the insertion depth of the water inlet pipe needs to be ensured, but the water inlet pipe can droop due to the excessively large insertion depth and interfere with the roller body rotating at high speed; the depth of insertion of the water inlet pipe is shallow, so that interference is avoided, but the water circulation effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an interior cooling formula heat send roll table can avoid the inlet tube flagging, and the cooling water circulation is effectual, solves the problem that exists among the background art.
The technical scheme of the utility model is that:
an internal cooling type hot conveying roller way comprises a plurality of conveying rollers, wherein each conveying roller comprises a roller body, a driving shaft and a transmission shaft, one end of each roller body is the driving shaft, the other end of each roller body is the transmission shaft, each roller body is of a hollow structure, a cavity is formed in each roller body, the transmission shaft is provided with a through hole communicated with the cavity along the axis of the transmission shaft, each roller body further comprises a water inlet pipe and a supporting disc, and the water inlet pipe extends into the cavity of each roller body through the through hole of the transmission; the supporting disk sets up in the cavity, the axle center of supporting disk be equipped with inlet tube matched with accommodation hole, the axis of rotation that surrounds its circumferencial direction in the accommodation hole and be provided with a plurality of and rotate the wheel and be on a parallel with the supporting disk axis, still seted up a plurality of water holes of crossing on the circumferencial direction of supporting disk.
The supporting disks in the cavity are arranged in parallel, the water inlet pipe sequentially penetrates through the supporting disks along the direction of the driving shaft pointed by the transmission shaft, and the end part of the water inlet pipe is close to the driving shaft.
The rotating shaft is rotatably connected to a bearing plate, and the bearing plate is fixed on the inner wall of the accommodating hole of the supporting plate.
The rotating shaft is rotatably connected to a supporting plate, and the supporting plate is fixed on the outer wall of the water inlet pipe.
The end part of the water inlet pipe in the cavity is matched with a plug, and a plurality of water outlet holes are formed in the circumferential direction of the water inlet pipe close to the plug.
Adopt the utility model discloses, in order to avoid the inlet tube to take place flagging phenomenon, set up the supporting disk that plays the fixed inlet tube effect of erectting in the cavity in the roll body, still set up the water hole of crossing of intercommunication cavity on the supporting disk. The inner-cooling type water circulation channel in the conveying roller is as follows: the cooling water gets into the cavity in the roller body from the inlet tube, and along with the increase of intaking, the cooling water in the cavity is close to transmission shaft one side from the water hole flow direction of crossing on the one side of being close to the drive shaft through the supporting disk, and at this in-process, the cooling water carries out water-cooling to the roller body and handles, and the cooling water temperature risees to from the clearance outflow between inlet tube and the epaxial perforating hole of transmission.
The accommodating holes are formed in the central axis of the supporting disc, the plurality of rotating wheels are arranged in the accommodating holes and play a role in filling gaps between the accommodating holes and the water inlet pipe, when the conveying roller works, the supporting disc can synchronously rotate along with the roller body, and sliding friction between the inner walls of the accommodating holes and the outer wall of the water inlet pipe is converted into rolling friction by the rotating wheels, so that the interference degree between the supporting disc and the water inlet pipe is greatly reduced; simultaneously, owing to rotate "the packing" of wheel, the inlet tube can be fixed by stable the setting up, can not take place flagging phenomenon, has avoided the interference between inlet tube and the roll body for the inlet tube can set up to the great degree of depth department of roll body, is favorable to improving the hydrologic cycle effect.
The utility model has the advantages that: the water inlet pipe can be prevented from drooping and interfering with the high-speed rotating roller body, the normal operation of the roller way is influenced, and the cooling water circulation effect is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the assembly of the water inlet pipe and the support plate;
in the figure: 1. the roller comprises a roller body, a driving shaft 2, a transmission shaft 3, a water inlet pipe 4, a cavity 5, a through hole 6, a supporting disk 7, a water through hole 71, a containing hole 72, a rotating wheel 8, a rotating shaft 9, a supporting plate 10, a plug 11 and a water outlet hole 12.
Detailed Description
The invention will be further explained by way of example with reference to the accompanying drawings.
Referring to the attached drawings 1 and 2, the internal cooling type hot conveying roller way comprises a plurality of conveying rollers, wherein each conveying roller comprises a roller body 1, a driving shaft 2 and a transmission shaft 3, one end of each roller body 1 is the driving shaft 2, the other end of each roller body 1 is the transmission shaft 3, each roller body 1 is of a hollow structure, a cavity 5 is formed in each roller body 1, the transmission shaft 3 is provided with a through hole 6 communicated with the cavity 5 along the axis of the transmission shaft, the internal cooling type hot conveying roller way also comprises a water inlet pipe 4 and a supporting disc 7, and the water inlet pipe 4 extends into the cavity 5 of each roller body 1 through; the supporting disk 7 sets up in cavity 5, the axle center of supporting disk 7 is equipped with the accommodation hole 72 with inlet tube 4 matched with, encircles its circumferencial direction and is provided with a plurality of and rotates wheel 8 and the axis of rotation 9 that is on a parallel with supporting disk 7 axis in the accommodation hole 72, has still seted up a plurality of water holes 71 of crossing on the circumferencial direction of supporting disk 7.
In this embodiment, referring to fig. 1, in order to avoid the sagging phenomenon of inlet tube 4, set up two at least supporting disks 7 that play the effect of setting up fixed inlet tube 4 in cavity 5 in roll body 1, supporting disk 7 rotates with roll body 1 together, and inlet tube 4 passes through perforating hole 6 and supporting disk 7 on the transmission shaft 3 in proper order, and its tip position is close to drive shaft 2 to the matching has end cap 11, has evenly seted up a plurality of apopores 12 on the inlet tube 4 lateral wall that is close to inlet tube 4 tip. The cooling water is sprayed by the water outlet hole 12, the force applied to the water inlet pipe 4 in the direction perpendicular to the axis of the water inlet pipe 4 is offset, the water inlet pipe 4 is also favorable for maintaining the posture, the sagging or the deviation in other directions is avoided, and the interference is reduced.
Referring to fig. 2, an accommodating hole 72 penetrating through the disc body is formed in the axis of the supporting disc 7, water passing holes 71 penetrating through the disc body and distributed circumferentially around the accommodating hole 72 are further formed in the supporting disc 7, the water inlet pipe 4 penetrates through the accommodating hole 72, a plurality of rotating wheel structures are arranged circumferentially around the accommodating hole 72, each rotating wheel structure comprises a rotating wheel 8, and a rotating shaft 9 on each rotating wheel 8 is arranged in parallel to the axis of the supporting disc 7. The structure of the rotating wheel is coated with a polytetrafluoroethylene coating which has a low friction coefficient and can prevent scale from being generated.
In the internal cooling type hot conveying roller way, as a concrete form of the rotating wheel structure, the rotating wheel structure further comprises a supporting plate 10, the supporting plate 10 is fixed on the inner wall of the accommodating hole 72, and the rotating shaft 9 is rotatably connected and arranged on the supporting plate 10.
In the internal cooling type hot conveying roller way, as another specific form of a rotating wheel structure, a supporting plate 10 is fixed on the outer wall of a water inlet pipe 4, and a rotating shaft 9 is rotatably connected to the supporting plate 10. This form is superior to the former form in that the rotating shaft 9 is pressed outward by centrifugal force when the feed roller is operated, increasing the frictional force between the rotating shaft 9 and the support plate 10, so that the resistance to rotation of the rotating wheel 8 is increased, which consequently results in an increased degree of interference between the support disc 7 and the inlet pipe 4.
The inner-cooling type water circulation channel in the conveying roller is as follows: the cooling water gets into cavity 5 in the roll body 1 from inlet tube 4, and along with the increase of intaking, the cooling water in cavity 5 flows to the one side that is close to transmission shaft 3 from the one side that is close to drive shaft 2 through water hole 71 on the supporting disk 7, and at this in-process, the cooling water carries out water-cooling to the roll body and handles, and the cooling water temperature risees to from inlet tube 4 and the last clearance outflow between the perforating hole 6 of transmission shaft 3.
According to the internal cooling type hot conveying roller way, the accommodating hole 72 in the supporting disc 7 is provided with the plurality of rotating wheel structures, the rotating wheels 8 in the rotating wheel structures play a role in filling gaps between the accommodating hole 72 and the water inlet pipe 4, when the conveying roller works, the supporting disc 7 and the accommodating hole 72 synchronously rotate along with the conveying roller, and the rotating wheel structures convert sliding friction between the inner wall of the accommodating hole 72 and the outer wall of the water inlet pipe 4 into rolling friction, so that the interference degree between the supporting disc 7 and the water inlet pipe 4 is greatly reduced; simultaneously, owing to "fill" of rotating wheel 8, inlet tube 4 can be fixed by stable the setting up, can not take place flagging phenomenon, has avoided the interference between inlet tube 4 and the roll body 1 for the inlet tube can set up to great degree of depth department, is favorable to improving the water cycle effect.
Claims (5)
1. The utility model provides an interior cooling formula hot roller table that send contains a plurality of conveying rollers, the conveying roller includes roll body (1), drive shaft (2) and transmission shaft (3), and the one end of roll body (1) is drive shaft (2), and the other end of roll body (1) is transmission shaft (3), roll body (1) is hollow structure, and the inside of roll body (1) has cavity (5), and through-hole (6) that are linked together with cavity (5), its characterized in that are seted up along its axis in transmission shaft (3): the roller comprises a roller body (1) and a transmission shaft (3), and is characterized by also comprising a water inlet pipe (4) and a support disc (7), wherein the water inlet pipe (4) extends into the cavity (5) of the roller body (1) through a through hole (6) of the transmission shaft (3); supporting disk (7) set up in cavity (5), the axle center of supporting disk (7) is equipped with and inlet tube (4) matched with accommodation hole (72), encircles its circumferencial direction in accommodation hole (72) and is provided with a plurality of and rotates wheel (8) and axis of rotation (9) that are on a parallel with supporting disk (7) axis, has still seted up a plurality of water holes (71) of crossing on the circumferencial direction of supporting disk (7).
2. The internal cooling type hot conveying roller way according to claim 1, is characterized in that: the supporting disks (7) in the cavity (5) are arranged in parallel, the water inlet pipe (4) sequentially penetrates through the supporting disks (7) along the direction of the transmission shaft (3) pointing to the driving shaft (2), and the end positions of the water inlet pipes are close to the driving shaft (2).
3. An internally cooled hot rollerway according to claim 1 or 2, characterized in that: the rotating shaft (9) is rotatably connected to a support plate (10), and the support plate (10) is fixed on the inner wall of the accommodating hole (72) of the support plate (7).
4. An internally cooled hot rollerway according to claim 1 or 2, characterized in that: the rotating shaft (9) is rotatably connected to a supporting plate (10), and the supporting plate (10) is fixed on the outer wall of the water inlet pipe (4).
5. An internally cooled hot rollerway according to claim 1 or 2, characterized in that: the end part of the water inlet pipe (4) in the cavity (5) is matched with a plug (11), and a plurality of water outlet holes (12) are formed in the circumferential direction of the water inlet pipe (4) close to the plug (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921362442.5U CN210916196U (en) | 2019-08-21 | 2019-08-21 | Internal cooling type hot conveying roller way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921362442.5U CN210916196U (en) | 2019-08-21 | 2019-08-21 | Internal cooling type hot conveying roller way |
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| Publication Number | Publication Date |
|---|---|
| CN210916196U true CN210916196U (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921362442.5U Active CN210916196U (en) | 2019-08-21 | 2019-08-21 | Internal cooling type hot conveying roller way |
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| CN (1) | CN210916196U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453061A (en) * | 2019-08-21 | 2019-11-15 | 唐山钢铁集团微尔自动化有限公司 | A kind of interior cooled hot sending roller-way |
| CN113859979A (en) * | 2021-09-22 | 2021-12-31 | 深圳南玻科技有限公司 | Steel core, ceramic roller and roller table |
-
2019
- 2019-08-21 CN CN201921362442.5U patent/CN210916196U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453061A (en) * | 2019-08-21 | 2019-11-15 | 唐山钢铁集团微尔自动化有限公司 | A kind of interior cooled hot sending roller-way |
| CN113859979A (en) * | 2021-09-22 | 2021-12-31 | 深圳南玻科技有限公司 | Steel core, ceramic roller and roller table |
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