CN111659862A - High-pulling-speed small square billet guide section roller assembling device and method - Google Patents
High-pulling-speed small square billet guide section roller assembling device and method Download PDFInfo
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- CN111659862A CN111659862A CN202010506125.7A CN202010506125A CN111659862A CN 111659862 A CN111659862 A CN 111659862A CN 202010506125 A CN202010506125 A CN 202010506125A CN 111659862 A CN111659862 A CN 111659862A
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- mandrel
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- bearing
- roller
- cooling water
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- 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
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Abstract
The invention relates to the field of metallurgical continuous casting equipment, in particular to a roller assembly device and a method for a guide section of a small square billet at a high drawing speed.
Description
Technical Field
The invention relates to the field of metallurgical continuous casting equipment, in particular to a device and a method for assembling a roller at a guide section of a high-pulling-speed small square billet.
Background
In the production process of the square billet and round billet continuous casting machine, the guide section roller is positioned in the secondary cold sealing chamber to support a high-temperature casting blank. Good cooling and lubrication is therefore required for the guide segment roller assembly. The common guide section roller is assembled in a mode that a mandrel and a roller body are welded parts and integrally rotate, and two ends of the mandrel are fixed on a guide section frame through bearings and bearing seats. The roller assembly cores require cooling and must be connected by a rotary joint. After the rotary joint is added in the roller assembly, the maintenance amount and the cost of the roller are increased to a certain extent. According to the invention, the guide section roller assembly is improved in design, the mandrel is kept fixed, good cooling and lubricating conditions are provided, the installation is flexible, the operation is simple, the maintenance amount is low, and conditions are provided for accelerating the production rhythm of square billets and round billets and reducing the production cost.
Disclosure of Invention
The invention overcomes the defects of the prior art, provides the device and the method for assembling the guide section roller of the small square billet at the high drawing speed, and particularly has the characteristics that the mandrel is kept fixed, the device has good cooling and lubricating conditions, is flexible to install, simple to operate and low in maintenance amount, and provides conditions for accelerating the production rhythm of the square billet and the round billet and reducing the production cost.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
a roller assembling device for a guide section of a small square billet with high drawing speed,
a first base;
a second base;
a roller assembly, the roller assembly comprising:
a roll body;
a mandrel;
the bearing is connected to the mandrel;
the roller assembly is located between the first base and the second base, two ends of the mandrel are fixedly connected between the first base and the second base, the roller body is connected to the middle of the mandrel through a bearing in a rolling mode, a sealing cavity is formed between the middle of the inner side of the roller body and the mandrel, L-shaped through holes communicated with the sealing cavity of the middle of the inner side of the roller body are formed in two ends of the mandrel respectively, exhaust through holes are formed in two ends of the roller body, and the exhaust through holes are communicated with the sealing cavity of the middle of the inner side of the roller body.
The two ends of the mandrel are fixedly connected between the first base and the second base through a shaft cover and a bolt.
The water guide hole is an L-shaped through hole, one end of the L-shaped through hole is positioned on the end faces of two ends of the mandrel, and the other end of the L-shaped through hole is communicated with the middle part of the inner side of the roller body and a sealing cavity formed between the mandrel.
The roller is characterized in that bearings are arranged between the mandrel and the roller body and between the shaft side walls at two ends of the mandrel and the roller body, a first hole check ring and a first second hole check ring are arranged between the two ends of the roller body and the mandrel, a first bearing check ring and a second bearing check ring are arranged between the first hole check ring and the first second hole check ring and between the bearings at two ends of the mandrel, and the bearings at two ends of the mandrel are further respectively connected with the first hole check ring and the second hole check ring along the direction of the sealing cavity in the middle of the inner side of the roller body.
And circular ring grooves are formed in the side walls, which are contacted with the roller body, of the bearing retainer ring I and the bearing retainer ring II, and disc rings are arranged in the circular ring grooves.
And the second check ring for the first hole and the second check ring for the second hole are sequentially connected with a baffle and a sealing piece along the direction of the middle sealing cavity at the inner side of the roller body.
The sealing member for have copper framework "U type" sealing member, the sealing member of first hole with retaining ring two and second hole with retaining ring two both sides is provided with two respectively, the opening orientation opposite direction setting of two "U type" sealing members, and still be provided with sealed retaining ring between two sealing members, the space intercommunication between the exhaust through-hole one end at roll body both ends and two sealing members, the exhaust through-hole at roll body both ends is located the terminal surface at roll body both ends respectively.
The both ends of dabber all still be provided with the lubricating grease through-hole, the space intercommunication between lubricating grease through-hole one end and bearing and the baffle, the other end of lubricating grease through-hole is located the both ends terminal surface of dabber, the other end of lubricating grease through-hole is the lubricating grease import.
Dabber one end be provided with the cooling water inlet, the dabber other end is provided with the cooling water export, cooling water inlet and cooling water export all communicate with the "L" type through-hole at dabber both ends.
A method for assembling a guide section roller of a high-pulling-speed billet comprises any one of the roller assembling devices for the guide section roller of the high-pulling-speed billet, and is characterized in that: comprises the following steps
The method comprises the following steps: lubricating grease inlets are respectively formed in two ends of the mandrel, a cooling water inlet is formed in one end of the mandrel, a cooling water outlet is formed in the other end of the mandrel, and after lubricating grease enters the lubricating grease through holes from the lubricating grease inlets, the lubricating grease can reach the surface of the mandrel and a gap between the bearing and the baffle through the lubricating grease through holes to lubricate the bearing;
step two: cooling water is injected from a cooling water inlet at one end of the mandrel and enters a sealed cavity formed by the mandrel and the roller body through an L-shaped through hole on the mandrel, and after the roller body is cooled, the cooling water is led out from a cooling water outlet on the mandrel through an L-shaped through hole at the other end of the mandrel, so that the purpose of cooling the mandrel and the bearing is achieved;
step three: when a small amount of water or lubricating grease leaks into the middle of the two sealing parts in the working process, the water or lubricating grease is discharged out of the whole roller assembling device through the exhaust through holes in the two ends of the roller body.
The invention has the beneficial effects that:
compared with the prior art, the roller assembly device has the advantages that cooling water is injected from one end of the mandrel and enters the sealed cavity formed by the mandrel and the roller body through the water guide hole in one end of the mandrel, and the cooling water is led out from the cold end of the mandrel through the water guide hole in the other end of the mandrel after the roller body is cooled, so that the purpose of cooling the mandrel and the bearing is achieved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a perspective view of a roller assembling apparatus according to the present invention.
FIG. 2 is a schematic sectional view of the entire roller assembling apparatus of the present invention.
FIG. 3 is a partial enlarged sectional view of the left end of the roller assembling apparatus according to the present invention.
In the figure: 1-a first base, 2-a shaft cover, 3-a bolt, 4-a roller assembly, 41-a mandrel, 42-a first check ring for a first hole, 43-a disc ring, 44-a first bearing check ring, 45-a bearing, 46-a roller body, 47-a sealing element, 48-a sealing check ring, 49-a baffle, 410-a second check ring for a second hole, 411-a second bearing check ring, 412-a first check ring for a second hole, 413-a second check ring for the first hole and 5-a second base.
Detailed Description
Example 1:
referring to fig. 1 and 2, which are schematic structural views of embodiment 1 of the present invention, a high-pulling-speed billet guide segment roller assembling apparatus,
a first base 1;
a second base 5;
a roller assembly 4, said roller assembly 4 comprising:
a roll body 46;
a mandrel 41;
a bearing 45, wherein the bearing 45 is connected to the mandrel 41;
In actual use: the cooling water is poured into from dabber 41 one end, get into the seal chamber that dabber 41 and roller body 46 formed through the water guide hole that dabber 41 was one end, behind the cooling roller body 46, the cooling water is derived from the cold one end of dabber through dabber 41 other end water guide hole, thereby reach the purpose of cooling dabber and bearing, roller assembly quality through this structure has the dabber and keeps fixed, possess good cooling and lubricated condition, and the installation is nimble, and easy operation, the maintenance volume is low, for square billet and round billet quickening production rhythm, reduction in production cost provides the condition.
Example 2:
referring to fig. 1, the present embodiment is different from embodiment 1 in that: two ends of the mandrel 41 are fixedly connected between the first base 1 and the second base 5 through the shaft cover 2 and the bolt 3.
In actual use: fix dabber 41 both ends between first base 1 and second base 5 through shaft cap 2 and bolt 3 to fix whole roller assembly quality between first base 1 and second base 5, be provided with U type groove on first base 1 and the second base 5, roller assembly 4 installs on the U type groove on first base 1 and second base 5, U type groove size and dabber 41 both ends circular installation face cooperation, be convenient for roller assembly 4 fixes between first base 1 and second base 5, the center of roller assembly 4 is parallel with the center between first base 1 and the second base 5, fix with shaft cap 2 above dabber 41, and be connected shaft cap 2 with first base 1 and second base 5 with bolt 3 and gasket. The circumferences of the two ends of the mandrel 41 are provided with processing planes which are matched with the processing planes on the shaft cover 2, so that the roller mandrel 41 is ensured to be completely fixed when in use, the whole assembly body can be arranged at a proper position according to the roller row design, and the structure is convenient to install or disassemble and simple to operate.
Example 3:
referring to fig. 2, the present embodiment is different from embodiment 1 or 2 in that: the water guide holes are L-shaped through holes, one end of each L-shaped through hole is located on the end face of each of two ends of the mandrel 41, and the other end of each L-shaped through hole is communicated with a sealing cavity formed between the middle part of the inner side of the roller body 46 and the mandrel 41.
Further dabber 41 one end be provided with the cooling water inlet, the dabber 41 other end is provided with the cooling water export, cooling water inlet and cooling water export all with the "L" type through-hole intercommunication at dabber 41 both ends.
In actual use: the water guide holes are L-shaped through holes, one ends of the L-shaped through holes are located on the end faces of two ends of the mandrel 41, cooling water can conveniently enter a sealed cavity formed between the middle part of the inner side of the roller body 46 and the mandrel 41 through the L-shaped through holes, the cooling water enters the sealed cavity formed between the middle part of the inner side of the roller body 46 and the mandrel 41 through a cooling water inlet, and then the cooling water is discharged from a cooling water outlet through the L-shaped through holes at the other ends to cool the whole roller assembling device.
Example 4:
referring to fig. 2 and 3, the present embodiment is different from embodiment 1 or 2 or 3 in that: bearings 45 are arranged between the mandrel 41 and the roller body 46 and between the shaft side walls at the two ends of the mandrel 41 and the roller body 46, first hole check rings 42 and first second hole check rings 412 are arranged between the two ends of the roller body 46 and the mandrel 41, first bearing check rings 44 and second bearing check rings 411 are arranged between the first hole check rings 42 and the first second hole check rings 412 and the bearings 45 at the two ends of the mandrel 41, and the bearings 45 at the two ends of the mandrel 41 are further respectively connected with a first hole check ring second 413 and a second hole check ring second 410 along the direction of the middle sealing cavity inside the roller body 46.
Further, circular ring grooves are formed in the side walls, which are in contact with the roller body 46, of the first bearing retainer 44 and the second bearing retainer 411, and disc rings 43 are arranged in the circular ring grooves.
And the baffle plate 49 and the sealing element 47 are sequentially connected with the first hole retainer ring two 413 and the second hole retainer ring two 410 along the direction of the middle sealing cavity at the inner side of the roller body 46.
In actual use: the bearing 45 is arranged between the mandrel 41 and the roller body 46 to play a supporting role, the first bearing retainer ring 44 and the second bearing retainer ring 411 are used for fixing the bearing 45, the outer ends of the two bearings 45 are used for blocking the first bearing retainer ring 44 and the second bearing retainer ring 411 through the first hole retainer ring 42 and the second hole retainer ring 412, when the structure is used, the outer ring of the roller body 46 and the outer ring of the bearing 45 can smoothly rotate together, a certain space is reserved for the roller body 46 to expand when being heated in the using process and can not be completely blocked, the first bearing retainer ring 44 and the second bearing retainer ring 411 are provided with circular grooves for installing the disc rings 43, after the disc rings are installed, the effect of sealing lubricating grease is played for the inner part of the roller assembly, and meanwhile, external dust can be prevented from entering, the first hole retainer ring two 413 and the second hole retainer ring 410 are used for fixing the position of the baffle plate 49, meanwhile, cooling water is prevented from leaking into the bearings, the baffle 49 and seal 47 further act to prevent cooling water from leaking into the bearing and grease on the bearing 45 from entering the sealed cavity.
Example 5:
referring to fig. 3, the present embodiment is different from embodiment 4 in that: the sealing parts 47 are U-shaped sealing parts with copper frameworks, the two sealing parts 47 on two sides of the first hole retainer ring II 413 and the second hole retainer ring II 410 are respectively provided with two sealing parts, the openings of the two U-shaped sealing parts face opposite directions, a sealing baffle ring 48 is also arranged between the two sealing parts 47, one ends of the exhaust through holes at two ends of the roller body 46 are communicated with the gap between the two sealing parts 47, and the exhaust through holes at two ends of the roller body 46 are respectively positioned on the end faces at two ends of the roller body 46.
Further both ends of dabber 41 still be provided with the lubricating grease through-hole, the space intercommunication between lubricating grease through-hole one end and bearing 45 and baffle 49, the other end of lubricating grease through-hole is located the both ends terminal surface of dabber 41, the other end of lubricating grease through-hole is the lubricating grease import.
In actual use: the sealing member 47 is a "U-shaped" sealing member having a copper skeleton, and is used in a roller mounting apparatus having a long life and to which the present invention is applied, and the sealing retainer ring 48 is used to separate the two sealing members 47, and when there are ventilation holes on the circumference of the sealing retainer ring 48 matching the size of the ventilation holes on the roller body 46, the grease and cooling water entering from the end of the mandrel 41 are completely sealed by the two sealing members 47, respectively. If the seal 47 leaks slightly, the leaked grease and cooling water can be discharged out of the roll assembly through the vent holes in the roll body 46, thereby ensuring good lubrication and cooling of the roll.
Example 6:
a method for assembling a roller of a guide section of a billet with high drawing speed comprises the roller assembling device of the guide section of the billet with high drawing speed, which comprises the following steps
The method comprises the following steps: lubricating grease inlets are respectively formed in two ends of the mandrel 41, a cooling water inlet is formed in one end of the mandrel 41, a cooling water outlet is formed in the other end of the mandrel 41, and after lubricating grease enters the lubricating grease through holes from the lubricating grease inlets, the lubricating grease can reach the surface of the mandrel 41 and the gap between the bearing 45 and the baffle 49 through the lubricating grease through holes to lubricate the bearing 45;
step two: cooling water is injected from a cooling water inlet at one end of the mandrel 41 and enters a sealed cavity formed by the mandrel 41 and the roller body 46 through a water guide hole on the mandrel 41, and after the roller body 46 is cooled, the cooling water is led out from a cooling water outlet on the mandrel 41 through a water guide hole at the other end of the mandrel 41, so that the purpose of cooling the mandrel 41 and the bearing 45 is achieved;
step three: when a small amount of water or grease leaks into the middle of the two seals 47 during operation, it is discharged through the vent holes in the ends of the roll body 46.
The method for assembling the roller assembly device of the guide section of the high-pulling-speed billet also comprises a transferring method of the roller assembly device of the guide section of the high-pulling-speed billet, and comprises the following steps
The method comprises the following steps: during assembly, the mandrel 41 and the roller body 46 are coaxially arranged;
step two: on the basis of the first step, a first sealing element 47 is respectively arranged at two ends of the mandrel 41, then a sealing baffle ring 48 is arranged, then a second sealing element 47 is arranged, then a baffle plate 49 is arranged, and finally the baffle plate 49 is fixed by a first hole baffle ring two 413 and a second hole baffle ring two 410;
step three: on the basis of the second step, a bearing 45 is arranged between the mandrel 41 and the roller body 46, the bearing 45 plays a supporting role, then a first bearing retainer ring 44 and a second bearing retainer ring 411 are arranged to fix the bearing 45, and finally the first hole retainer ring 42 and the second hole retainer ring 412 are used for blocking the bearing retainer rings outside the bearing retainer rings; by the structure, when the outer rings of the roller body 46 and the bearing 45 are ensured to rotate smoothly, a certain space is reserved for the thermal expansion of the roller body 46 in the use process, and the roller body cannot be completely clamped.
The whole roller assembly has good cooling and lubricating conditions, is flexible to install, simple to operate and low in maintenance amount, and provides conditions for accelerating the production rhythm of square billets and round billets and reducing the production cost.
While the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is within the scope of the claims.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
Technical solutions between various embodiments may be combined with each other, but must be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Claims (10)
1. The utility model provides a high pulling speed billet guide section roller assembly quality which characterized by:
a first base (1);
a second base (5);
a roller assembly (4), the roller assembly (4) comprising:
a roll body (46);
a mandrel (41);
the bearing (45), the bearing (45) is connected on the mandrel (41);
roller assembly (4) are located between first base (1) and second base (5), the both ends fixed connection of dabber (41) is between first base (1) and second base (5), roll body (46) pass through bearing (45) roll connection at the middle part of dabber (41), be formed with a seal chamber between inboard middle part of roll body (46) and dabber (41), dabber (41) both ends are opened respectively and are had the water guide hole that communicates roll body (46) inboard middle part seal chamber, still open in roll body (46) both ends and have the exhaust through-hole, exhaust through-hole and roll body (46) inboard middle part seal chamber intercommunication.
2. The high pulling speed billet guide segment roller assembly device according to claim 1, wherein: two ends of the mandrel (41) are fixedly connected between the first base (1) and the second base (5) through the shaft cover (2) and the bolt (3).
3. The high pulling speed billet guide segment roller assembly device according to claim 1, wherein: the water guide holes are L-shaped through holes, one end of each L-shaped through hole is located on the end face of each of two ends of the mandrel (41), and the other end of each L-shaped through hole is communicated with a sealing cavity formed between the middle part of the inner side of the roller body (46) and the mandrel (41).
4. The high pulling speed billet guide segment roller assembly device according to claim 1, wherein: the roller is characterized in that a bearing (45) is arranged between the mandrel (41) and the roller body (46) and is positioned between the shaft side walls at two ends of the mandrel (41) and the roller body (46), a first hole check ring (42) and a second hole check ring (412) are arranged between two ends of the roller body (46) and the mandrel (41), a first bearing check ring (44) and a second bearing check ring (411) are arranged between the first hole check ring (42) and the second hole check ring (412) and the bearing (45) at two ends of the mandrel (41), and the bearings (45) at two ends of the mandrel (41) are further respectively connected with a second first hole check ring (413) and a second hole check ring (410) along the direction of the middle sealing cavity on the inner side of the roller body (46).
5. The high pulling speed billet guide segment roller assembly device of claim 4, wherein: and circular ring grooves are formed in the side walls, which are contacted with the roller body (46), of the bearing retainer ring I (44), the bearing retainer ring II (411) and the roller body, and disc rings (43) are arranged in the circular ring grooves.
6. The high pulling speed billet guide segment roller assembly device of claim 4, wherein: and the second first hole retainer ring (413) and the second hole retainer ring (410) are sequentially connected with a baffle plate (49) and a sealing piece (47) along the direction of the middle sealing cavity on the inner side of the roller body (46).
7. The high pulling speed billet guide segment roller assembly apparatus set forth in claim 6 wherein: sealing member (47) for having the "U type" sealing member of copper skeleton, sealing member (47) of first hole with retaining ring two (413) and second hole with retaining ring two (410) both sides are provided with two respectively, and the opening orientation opposite direction setting of two "U type" sealing member, and still be provided with sealed fender ring (48) between two sealing member (47), the space intercommunication between the exhaust through-hole one end at roller body (46) both ends and two sealing member (47), the exhaust through-hole at roller body (46) both ends is located the terminal surface at roller body (46) both ends respectively.
8. The high pulling speed billet guide segment roller assembly apparatus set forth in claim 6 wherein: both ends of the mandrel (41) are also provided with lubricating grease through holes, one end of each lubricating grease through hole is communicated with a gap between the bearing (45) and the baffle (49), the other end of each lubricating grease through hole is positioned on the end faces of both ends of the mandrel (41), and the other end of each lubricating grease through hole is a lubricating grease inlet.
9. The high pulling speed billet guide segment roller assembly device of claim 3 wherein: dabber (41) one end be provided with the cooling water inlet, dabber (41) other end is provided with the cooling water export, cooling water inlet and cooling water export all with "L" type through-hole intercommunication at dabber (41) both ends.
10. A method for assembling a guide segment roller of a high-pulling-speed billet comprising the guide segment roller assembling device of the high-pulling-speed billet according to any one of claims 1 to 9, characterized in that: comprises the following steps
The method comprises the following steps: lubricating grease inlets are respectively arranged at two ends of the mandrel (41), a cooling water inlet is arranged at one end of the mandrel (41), a cooling water outlet is arranged at the other end of the mandrel (41), and after lubricating grease enters the lubricating grease through holes from the lubricating grease inlets, the lubricating grease can reach the surface of the mandrel (41) and a gap between the bearing (45) and the baffle (49) through the lubricating grease through holes to lubricate the bearing (45);
step two: cooling water is injected from a cooling water inlet at one end of the mandrel (41) and enters a sealed cavity formed by the mandrel (41) and the roller body (46) through a water guide hole on the mandrel (41), and after the roller body (46) is cooled, the cooling water is led out from a cooling water outlet on the mandrel (41) through a water guide hole at the other end of the mandrel (41), so that the purpose of cooling the mandrel (41) and the bearing (45) is achieved;
step three: when a small amount of water or grease leaks into the middle of the two seals (47) during operation, it is discharged through the vent holes in the ends of the roll body (46) out of the roll assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010506125.7A CN111659862A (en) | 2020-06-05 | 2020-06-05 | High-pulling-speed small square billet guide section roller assembling device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010506125.7A CN111659862A (en) | 2020-06-05 | 2020-06-05 | High-pulling-speed small square billet guide section roller assembling device and method |
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| Publication Number | Publication Date |
|---|---|
| CN111659862A true CN111659862A (en) | 2020-09-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113042697A (en) * | 2021-03-09 | 2021-06-29 | 河南科技大学 | Cooling and traction composite device for continuous casting |
-
2020
- 2020-06-05 CN CN202010506125.7A patent/CN111659862A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113042697A (en) * | 2021-03-09 | 2021-06-29 | 河南科技大学 | Cooling and traction composite device for continuous casting |
| CN113042697B (en) * | 2021-03-09 | 2022-11-22 | 河南科技大学 | Cooling and traction composite device for continuous casting |
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