CN215998890U - Trimming circle shear mounting structure of acid rolling unit - Google Patents
Trimming circle shear mounting structure of acid rolling unit Download PDFInfo
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- CN215998890U CN215998890U CN202121116498.XU CN202121116498U CN215998890U CN 215998890 U CN215998890 U CN 215998890U CN 202121116498 U CN202121116498 U CN 202121116498U CN 215998890 U CN215998890 U CN 215998890U
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Abstract
The utility model relates to an edge cutting circle shear mounting structure of an acid rolling unit, which comprises a lubricating system, an upper shaft and a lower shaft, wherein the upper shaft is in transmission connection with the lower shaft; an upper shearing disc is sleeved on the upper shaft, and a lower shearing disc is sleeved on the lower shaft; the upper shearing disk and the lower shearing disk are arranged in a staggered manner in the axial direction of the upper shaft; the upper shearing disk and the lower shearing disk are respectively provided with a shearing blade; the lubricating system comprises a main pipe, a control valve, a first branch pipe, a second branch pipe, a first spray head and a second spray head; the other end of the main pipe is respectively connected with the first branch pipe and the second branch pipe; the first spray head is arranged at one end of the first branch pipe, which is far away from the main pipe, and the spraying direction of the first spray head is aligned with the shear blade of the upper shearing disc; the second spray head is arranged at one end of the second branch pipe, which is far away from the main pipe, and the spraying direction of the second spray head is aligned with the shear blade of the lower shearing disc; thereby solving the problems that the disc scissors are easy to stick the knife and reduce the shearing quality when shearing at high speed.
Description
Technical Field
The utility model belongs to the technical field of processing equipment in the metallurgical industry, and particularly relates to a trimming circle shear mounting structure of an acid mill unit.
Background
In the rolling process of the strip steel, the edge part sometimes generates defects such as fine cracks and the like, if the edge part is not cut in time, the strip is likely to be broken in the subsequent processing process. Therefore, disc shears are arranged in the pickling line so as to remove edge damage and enable the finished strip steel to reach the required width. The edge cutting quality of the disc shear is poor easily in the edge cutting process, the edge cannot be cut cleanly, the edge of the band steel is fleshy due to the fact that the edge of the disc shear is broken and notched, the edge cutting quality requirements of customers cannot be met after rolling, the product is degraded, and the quality loss is large. Therefore, the quality of the performance of the disc shear directly influences whether the trimming quality of the strip steel meets the requirements of customers.
The patent of the utility model discloses a chinese utility model with the publication number CN210548467U, which comprises a first disc shear blade, a second disc shear blade and a connecting shaft, wherein the first disc shear blade is arranged at the upper end of the connecting shaft, the second disc shear blade is arranged at the lower end of the connecting shaft, the first disc shear blade comprises an upper disc shear blade, an upper disc hydraulic nut and an upper disc press ring, the upper disc shear blade is connected with the upper disc press ring through the upper disc hydraulic nut, the second disc shear blade comprises a lower disc shear blade, a lower disc hydraulic nut and a lower disc press ring, the lower disc shear blade is connected with the lower disc press ring through the lower disc hydraulic nut, the upper disc shear blade and the lower disc shear blade have the same structure, the upper disc hydraulic nut and the lower disc hydraulic nut have the same structure, and the upper disc press ring and the lower disc press ring have the same structure; the structure is simple and the cost is low. However, when the disc scissors are used for high-speed shearing, the disc scissors are easy to stick to the knife; reducing the shear quality.
Disclosure of Invention
In order to solve the problems, the utility model provides an edge cutting circle shear mounting structure of an acid mill group, which solves the problems that the circle shear is easy to stick and the shearing quality is reduced due to high-speed shearing.
The technical scheme adopted by the utility model is as follows: the edge cutting circle shear mounting structure of the acid rolling unit comprises an upper shaft and a lower shaft which are arranged in parallel, wherein the upper shaft is in transmission connection with the lower shaft; an upper shearing disc is sleeved on the upper shaft, and a lower shearing disc is sleeved on the lower shaft; in the axial direction of the upper shaft, the upper shearing disk and the lower shearing disk are arranged in a staggered manner; the upper shearing disk and the lower shearing disk are respectively provided with a shearing blade; the trimming rotary shear mounting structure of the acid rolling unit further comprises a lubricating system, wherein the lubricating system comprises a main pipe, a control valve, a first branch pipe, a second branch pipe, a first spray head and a second spray head; the control valve is arranged on the main pipe, one end of the main pipe is connected with a lubricating liquid source, and the other end of the main pipe is respectively connected with the first branch pipe and the second branch pipe; the first spray head is arranged at one end of the first branch pipe, which is far away from the main pipe, and the spraying direction of the first spray head is aligned with the shear blade of the upper shearing disk; the second spray head is arranged at one end, far away from the main pipe, of the second branch pipe, and the spraying direction of the second spray head is aligned to the shearing blade of the lower shearing disk.
Further, the scissor edge comprises a cemented carbide ring and a cermet composite layer; the alloy ceramic composite material layer is sleeved on a hard alloy ring, and the hard alloy ring is sleeved and fixed on the upper shearing disk and the lower shearing disk.
Furthermore, the upper shearing disk and the lower shearing disk are both made of high alloy steel.
Furthermore, polygonal ring tables are respectively arranged on the upper shaft and the lower shaft, and through holes matched with the polygonal ring tables are respectively formed in the upper shearing disk and the lower shearing disk; the upper shearing disc is sleeved and fixed on the polygonal ring table of the upper shaft; the lower shearing disc is sleeved and fixed on the polygonal ring table of the lower shaft.
Furthermore, the trimming circle shear mounting structure of the acid mill group further comprises a back table and a compression ring, wherein the back table is arranged on an upper shaft or a lower shaft on one side of the polygonal ring table; the compression ring is sleeved on the upper shaft or the lower shaft on the other side of the polygonal ring table; and bolt through holes are formed in the pressure ring, the upper shearing disk, the lower shearing disk and the back table, and bolts are inserted in the bolt through holes to realize the fixed connection between the upper shearing disk and the upper shaft and between the lower shearing disk and the lower shaft.
Further, the edge-cutting circle shear mounting structure of the acid mill unit further comprises a first rubber backing ring and a second rubber backing ring, and through holes matched with the bolt through holes are formed in the first rubber backing ring and the second rubber backing ring respectively; the first rubber backing ring and the second rubber backing ring are sleeved on the upper shaft and the lower shaft; the first rubber backing rings are positioned between the pressing ring and the upper shearing disk and between the pressing ring and the lower shearing disk; the second rubber backing rings are positioned between the back table and the upper shearing disk and between the back table and the lower shearing disk.
The utility model has the following beneficial effects:
1. according to the lubricating system, the first spray head and the second spray head are used for respectively spraying lubricating liquid on the shearing blades of the upper shearing disk and the lower shearing disk, so that the shearing blades of the upper shearing disk and the lower shearing disk are kept lubricated, the problem that materials or material scraps stick to a cutter during high-speed shearing is solved, and the quality of the edge cutting of the strip steel is improved.
2. The utility model is beneficial to the fixing of the upper shearing disk on the upper shaft and the lower shearing disk on the lower shaft by arranging the polygonal ring table, and is beneficial to the force transmission of the upper axial upper shearing disk and the lower axial lower shearing disk by fixing the polygonal ring table.
3. According to the utility model, the first rubber backing ring or the second rubber backing ring is respectively arranged between the pressing ring and the upper shearing disk, between the pressing ring and the lower shearing disk, between the upper shearing disk and between the back table and the lower shearing disk, so that the vibration of the upper shearing disk and the lower shearing disk in the shearing process is reduced, and the stability of shearing is facilitated.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a partial cross-sectional view of the present invention;
in the figure: 1-upper shaft, 2-lower shaft, 3-lubricating system, 31-main pipe, 32-control valve, 33-first branch pipe, 34-second branch pipe, 35-first spray head, 36-second spray head, 4-upper shearing disk, 5-lower shearing disk, 6-shearing blade, 7-polygonal ring table, 8-back table, 9-press ring, 10-first rubber backing ring and 11-second rubber backing ring.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
The specific structure of the embodiment of the edge cutting circle shear mounting structure of the acid rolling unit is shown in figures 1-3, and comprises an upper shaft 1, a lower shaft 2 and a lubricating system 3 which are arranged in parallel, wherein the upper shaft 1 and the lower shaft 2 are in transmission connection, a motor is arranged at one end of the upper shaft 1, a driving gear is sleeved on the upper shaft 1, a driven gear is sleeved on the lower shaft 2, and the driving gear is meshed with the driven gear; an upper shearing disc 4 is sleeved on the upper shaft 1, and a lower shearing disc 5 is sleeved on the lower shaft 2; in the axial direction of the upper shaft 1, the upper shearing disk 4 and the lower shearing disk 5 are arranged in a staggered manner; the upper shearing disk 4 and the lower shearing disk 5 are respectively provided with a shearing blade 6.
The lubricating system 3 comprises a main pipe 31, a control valve 32, a first branch pipe 33, a second branch pipe 34, a first spray head 35 and a second spray head 36; the control valve 32 is arranged on the main pipe 31, one end of the main pipe 31 is connected with a lubricating liquid source, and the other end of the main pipe 31 is respectively connected with the first branch pipe 33 and the second branch pipe 34; the first spray nozzle 35 is arranged at one end of the first branch pipe 33 far away from the main pipe 31, and the spraying direction of the first spray nozzle 35 is aligned with the shearing blade 6 of the upper shearing disk 4; the second spray nozzle 36 is arranged at one end of the second branch pipe 34 far away from the main pipe 31, and the spraying direction of the second spray nozzle 36 is aligned with the shearing blade 6 of the lower shearing disk 5.
In the present embodiment, the scissor edge 6 comprises a cemented carbide ring and a cermet composite layer; the alloy ceramic composite material layer is sleeved on the hard alloy ring, and the hard alloy ring is sleeved and fixed on the upper shearing disk 4 and the lower shearing disk 5; the hard alloy and alloy ceramic composite material is a common hard material, has the characteristics of high strength and high hardness, and can be used for manufacturing the shear blade 6 to prolong the service life of the shear blade 6. The upper shearing disk 4 and the lower shearing disk 5 are both made of high alloy steel; the high alloy steel belongs to common metal materials, so that the upper shearing disk 4 and the lower shearing disk 5 have higher toughness, and stable cutting of the upper shearing disk 4 and the lower shearing disk 5 is facilitated. In other embodiments, the shear blade is made of hard alloy with higher hardness to form a whole, so that two structural layers of the hard alloy ring and the alloy ceramic composite layer are replaced.
In the embodiment, the upper shaft 1 and the lower shaft 2 are respectively provided with a polygonal ring table 7, and the upper shearing disk 4 and the lower shearing disk 5 are respectively provided with through holes matched with the polygonal ring tables 7; the upper shearing disc 4 is sleeved and fixed on a polygonal ring table 7 of the upper shaft 1; the lower shearing disc 5 is sleeved and fixed on a polygonal ring table 7 of the lower shaft 2; the polygonal ring table 7 is arranged, so that the upper shearing disk 4 is favorably fixed on the upper shaft 1, the lower shearing disk 5 is favorably fixed on the lower shaft 2, and the force transmission of the upper shearing disk 4 in the axial direction of the upper shaft 1 and the force transmission of the lower shearing disk 5 in the downward direction of the lower shaft 2 are favorably realized by the fixation of the polygonal ring table 7. In other embodiments, the multi-deformation annular table is not arranged, the upper shearing disk and the lower shearing disk are respectively sleeved on the upper shaft and the lower shaft directly and are reinforced by welding.
In this embodiment, the trimming circle shear mounting structure of the pickling line set further includes a back table 8, a pressing ring 9, a first rubber backing ring 10 and a second rubber backing ring 11, the back table 8 is disposed on the upper shaft 1 or the lower shaft 2 on one side of the polygonal ring table 7; the compression ring 9 is sleeved on the upper shaft 1 or the lower shaft 2 on the other side of the polygonal ring table 7; bolt through holes are formed in the pressure ring 9, the upper shearing disk 4, the lower shearing disk 5 and the back table 8, and bolts are inserted into the bolt through holes to realize the fixed connection between the upper shearing disk 4 and the upper shaft 1 and between the lower shearing disk 5 and the lower shaft 2; the bolts are inserted in the bolt through holes to realize fixed connection, and the bolt has the characteristics of simple connection structure and stable connection. Through holes matched with the bolt through holes are formed in the first rubber backing ring 10 and the second rubber backing ring 11 respectively; the first rubber backing ring 10 and the second rubber backing ring 11 are sleeved on the upper shaft 1 and the lower shaft 2; the first rubber backing rings 10 are positioned between the pressing ring 9 and the upper shearing disk 4 and between the pressing ring 9 and the lower shearing disk 5; the second rubber backing rings 11 are positioned between the back table 8 and the upper shearing disk 4 and between the back table 8 and the lower shearing disk 5; a first rubber backing ring 10 or a second rubber backing ring 11 is respectively arranged between the pressing ring 9 and the upper shearing disk 4, between the pressing ring 9 and the lower shearing disk 5, between the upper shearing disk 4 and between the back table 8 and the lower shearing disk 5, so that the vibration of the upper shearing disk 4 and the lower shearing disk 5 in the shearing process is reduced, and the stability of shearing is facilitated. In other embodiments, a first rubber backing ring and a second rubber backing ring are arranged between the pressing ring and the upper shearing disk, between the pressing ring and the lower shearing disk, between the back table and the upper shearing disk and between the back table and the lower shearing disk.
When the lubricating system is used, the lubricating liquid is respectively sprayed on the shearing blades 6 of the upper shearing disk 4 and the lower shearing disk 5 by the lubricating system 3 through the first spray head 35 and the second spray head 36, so that the shearing blades 6 of the upper shearing disk 4 and the lower shearing disk 5 are kept lubricated, the problem that materials or material scraps stick to a cutter during high-speed shearing is solved, and the strip steel trimming quality is improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (6)
1. The edge cutting circle shear mounting structure of the acid rolling unit comprises an upper shaft and a lower shaft which are arranged in parallel, wherein the upper shaft is in transmission connection with the lower shaft; an upper shearing disc is sleeved on the upper shaft, and a lower shearing disc is sleeved on the lower shaft; in the axial direction of the upper shaft, the upper shearing disk and the lower shearing disk are arranged in a staggered manner; the upper shearing disk and the lower shearing disk are respectively provided with a shearing blade; the method is characterized in that: the trimming rotary shear mounting structure of the acid rolling unit further comprises a lubricating system, wherein the lubricating system comprises a main pipe, a control valve, a first branch pipe, a second branch pipe, a first spray head and a second spray head; the control valve is arranged on the main pipe, one end of the main pipe is connected with a lubricating liquid source, and the other end of the main pipe is respectively connected with the first branch pipe and the second branch pipe; the first spray head is arranged at one end of the first branch pipe, which is far away from the main pipe, and the spraying direction of the first spray head is aligned with the shear blade of the upper shearing disk; the second spray head is arranged at one end, far away from the main pipe, of the second branch pipe, and the spraying direction of the second spray head is aligned to the shearing blade of the lower shearing disk.
2. The trimming circle shear mounting structure of an acid mill train according to claim 1, characterized in that: the scissor edge comprises a hard alloy ring and an alloy ceramic composite material layer; the alloy ceramic composite material layer is sleeved on a hard alloy ring, and the hard alloy ring is sleeved and fixed on the upper shearing disk and the lower shearing disk.
3. The trimming circle shear mounting structure of an acid mill train according to claim 1, characterized in that: the upper shearing disc and the lower shearing disc are made of high alloy steel.
4. The trimming circle shear mounting structure of an acid mill train according to claim 1, characterized in that: the upper shaft and the lower shaft are respectively provided with a polygonal ring platform, and the upper shearing disk and the lower shearing disk are respectively provided with through holes matched with the polygonal ring platforms; the upper shearing disc is sleeved and fixed on the polygonal ring table of the upper shaft; the lower shearing disc is sleeved and fixed on the polygonal ring table of the lower shaft.
5. The trimming circle shear mounting structure of an acid mill train according to claim 1, characterized in that: the trimming circle shear mounting structure of the acid rolling unit further comprises a back table and a pressing ring, wherein the back table is arranged on an upper shaft or a lower shaft on one side of the polygonal ring table; the compression ring is sleeved on the upper shaft or the lower shaft on the other side of the polygonal ring table; and bolt through holes are formed in the pressure ring, the upper shearing disk, the lower shearing disk and the back table, and bolts are inserted in the bolt through holes to realize the fixed connection between the upper shearing disk and the upper shaft and between the lower shearing disk and the lower shaft.
6. The trimming circle shear mounting structure of an acid mill train according to claim 1, characterized in that: the edge-cutting circle shear mounting structure of the acid rolling unit further comprises a first rubber backing ring and a second rubber backing ring, and through holes matched with the bolt through holes are formed in the first rubber backing ring and the second rubber backing ring respectively; the first rubber backing ring and the second rubber backing ring are sleeved on the upper shaft and the lower shaft; the first rubber backing rings are positioned between the pressure ring and the upper shearing disk and between the pressure ring and the lower shearing disk; the second rubber backing rings are positioned between the back table and the upper shearing disk and between the back table and the lower shearing disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121116498.XU CN215998890U (en) | 2021-05-24 | 2021-05-24 | Trimming circle shear mounting structure of acid rolling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121116498.XU CN215998890U (en) | 2021-05-24 | 2021-05-24 | Trimming circle shear mounting structure of acid rolling unit |
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| Publication Number | Publication Date |
|---|---|
| CN215998890U true CN215998890U (en) | 2022-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121116498.XU Active CN215998890U (en) | 2021-05-24 | 2021-05-24 | Trimming circle shear mounting structure of acid rolling unit |
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| Country | Link |
|---|---|
| CN (1) | CN215998890U (en) |
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2021
- 2021-05-24 CN CN202121116498.XU patent/CN215998890U/en active Active
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