CN216937685U - Connecting structure of lower pinch roll and roll shaft - Google Patents
Connecting structure of lower pinch roll and roll shaft Download PDFInfo
- Publication number
- CN216937685U CN216937685U CN202220093797.4U CN202220093797U CN216937685U CN 216937685 U CN216937685 U CN 216937685U CN 202220093797 U CN202220093797 U CN 202220093797U CN 216937685 U CN216937685 U CN 216937685U
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- roll shaft
- roll
- pinch roll
- inclined plane
- annular inclined
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Abstract
The utility model discloses a connecting structure of a lower pinch roll and a roll shaft, which relates to the technical field of metal plate strip rolling and comprises a pinch roll body and a roll shaft body, wherein an annular inclined plane groove A is formed in the side surface of the roll shaft body, placing grooves are formed in the side surface of the roll shaft and the inner wall of the pinch roll body, a positioning clamping block is movably arranged in each placing groove, an annular inclined plane groove B is formed in the position, corresponding to the annular inclined plane groove A, of the inner wall of the pinch roll body, a clamping ring is movably sleeved on the surface of the roll shaft body, one side of the clamping ring is tightly attached to the annular inclined plane groove A and the annular inclined plane groove B, and a fastening nut A is sleeved on the surface of the roll shaft body in a threaded manner. Through setting up positioning fixture block, standing groove, snap ring and fastening nut A, prevent that roller body and pinch roll body from using for a long time down, fastening nut A is not hard up to lead to the snap ring not hard up, and then causes the pinch roll body to take place the problem of rocking on the surface of roller body.
Description
Technical Field
The utility model relates to a metal plate strip rolling technology, in particular to a connecting structure of a lower pinch roll and a roll shaft.
Background
The pinch roll, as its name implies, is a mandrel roll for gripping and feeding, which is generally used in the field of metal preparation, and whose main function is to grip and introduce the head of the strip into the entry position of the coiler and to apply tension to the strip as it exits the finishing mill at its tail end, so as to obtain a good shape of coiling, etc.
On some present pinch rolls, lower roll barrel is fixed the terminal surface position at the roll shaft usually, and this kind of mode is connected then can add more parts and be used for fixed stable, causes the structure comparatively complicated, and is with high costs, brings a great deal of inconvenience for the dismouting, consequently leads to this connected mode comparatively troublesome when daily use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the existing lower pinch roll is complicated in connection with a roll shaft and inconvenient to disassemble.
In order to achieve the purpose, the utility model provides the following technical scheme:
a connecting structure of a lower pinch roll and a roll shaft comprises a pinch roll body and a roll shaft body, wherein an annular inclined plane groove A is formed in the side surface of the roll shaft body, placing grooves are formed in the side surface of the roll shaft and the inner wall of the pinch roll body respectively, a positioning clamping block is movably arranged in each placing groove, an annular inclined plane groove B is formed in the position, corresponding to the annular inclined plane groove A, of the inner wall of the pinch roll body, a clamping ring is movably sleeved on the surface of the roll shaft body, one side of the clamping ring is tightly attached to the annular inclined plane groove A and the annular inclined plane groove B, a fastening nut A is sleeved on the surface thread of the roll shaft body, the side surface of the fastening nut A is movably connected with one side, away from the pinch roll body, of the clamping ring, the protection cover is sleeved on the surface of the protection roll shaft in a movable mode, the protection cover is movable on the outer side of the fastening nut A and the clamping ring, the fastening nut B is sleeved on the surface threads of the roll shaft body in a sleeved mode, and the fastening nut B is movable on the left side of the protection cover.
Preferably: the inner wall of the clamping ring is provided with an inclined plane matched with the annular inclined plane groove A, and the side face of the clamping ring is provided with an inclined plane matched with the annular inclined plane groove B.
Preferably: the number of the positioning fixture blocks is two, and the two positioning fixture blocks are arranged in an axial symmetry mode by taking the horizontal axis of the roll shaft as a symmetry axis.
Preferably: the specification of the fastening nut A is the same as that of the fastening nut B.
Preferably: the left end of the positioning clamping block extends to the outside of the placing groove.
Due to the adoption of the technical scheme, the utility model has the following advantages:
through setting up the positioning fixture block, the standing groove, snap ring and fastening nut A, the positioning fixture block is placing just inside and this body coupling of pinch roll body and roller, make its interlock, the snap ring passes through the inside at annular inclined plane groove A and annular inclined plane groove B of inseparable card of fastening nut A, it is difficult for rocking to be used for supporting the stable cover of pinch roll body at the surface of roller body, then protect fastening nut A and snap ring position through the safety cover, it influences the use to get into some iron fillings in the avoiding gap, outside fixing a position the protection casing through fastening nut B, also spacing fastening nut A, prevent that roller body and pinch roll body from using down for a long time, fastening nut A is not hard up and leads to the snap ring not hard up, and then cause the pinch roll body to take place the problem of rocking on the surface of roller body.
Drawings
FIG. 1 is a schematic front sectional view of a positioning fixture block in a connecting structure of a lower pinch roll and a roll shaft.
Fig. 2 is a left side view structural schematic diagram of a connecting structure of a lower pinch roll and a roll shaft.
Fig. 3 is a schematic perspective view of a fixture block in a connection structure of a lower pinch roll and a roll shaft.
FIG. 4 is a schematic left-side cross-sectional view of a positioning block in a connecting structure of a lower pinch roll and a roll shaft.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1 to 4, in the embodiment of the utility model, a connecting structure of a lower pinch roll and a roll shaft comprises a pinch roll body 1 and a roll shaft body 2, wherein the side surface of the roll shaft body 2 is provided with an annular inclined plane groove A3, the side surface of the roll shaft and the inner wall of the pinch roll body 1 are both provided with a placing groove 4, the placing groove 4 is internally and movably provided with two positioning fixture blocks 5, the two positioning fixture blocks 5 are axially and symmetrically arranged by taking the horizontal axis of the roll shaft as a symmetric axis, so that the roll shaft body 2 can uniformly drive the pinch roll body 1 to rotate when rotating, the pinch roll body 1 is uniformly stressed, the left end of each positioning fixture block 5 extends to the outside of the placing groove 4, the inner wall of the pinch roll body 1 is provided with an annular inclined plane groove B6 at a position corresponding to the annular groove A3, the inclined plane on the surface of the roll shaft body 2 is movably sleeved with a snap ring 7, and the snap ring 7 is mainly used for stably sleeving the pinch roll body 1 on the surface of the roll shaft body 2, used for preventing the pinch roll body 1 from framing on the surface of the roll shaft body 2, the inner wall of the snap ring 7 is provided with an inclined plane matched with the annular inclined plane groove A3, the side surface of the snap ring 7 is provided with an inclined plane matched with the annular inclined plane groove B6, one side of the snap ring 7 is tightly attached to the annular inclined plane groove A3 and the annular inclined plane groove B6, the surface thread of the roll shaft body 2 is sleeved with a fastening nut A8, the side surface of the fastening nut A8 is movably connected with one side of the snap ring 7 far away from the pinch roll body 1, the surface of the protective roll shaft is movably sleeved with a protective cover 9, the connecting position is protected, the protective cover 9 is movably arranged on the outer sides of the fastening nut A8 and the snap ring 7, the fastening nut B10 is sleeved on the surface threads of the roller shaft body 2, the fastening nut B10 is movably arranged on the left side of the protective cover 9, the fastening nut A8 and the fastening nut B10 are identical in specification, and the fastening nut A8 and the fastening nut B10 can be operated simultaneously by using tools of the same specification.
Claims (5)
1. A connecting structure of a lower pinch roll and a roll shaft comprises a pinch roll body (1) and a roll shaft body (2), and is characterized in that the side surface of the roll shaft body (2) is provided with an annular inclined plane groove A (3), the side surface of the roll shaft body (2) and the inner wall of the pinch roll body (1) are respectively provided with a placing groove (4), the placing groove (4) is internally movably provided with a positioning fixture block (5), the inner wall of the pinch roll body (1) is provided with an annular inclined plane groove B (6) at a position corresponding to the annular inclined plane groove A (3), the surface of the roll shaft body (2) is movably sleeved with a clamping ring (7), one side of the clamping ring (7) is tightly attached to the annular inclined plane groove A (3) and the annular inclined plane groove B (6), a fastening nut A (8) is sleeved on a surface thread of the roll shaft body (2), the side surface of the fastening nut A (8) and one side of the clamping ring (7) far away from the pinch roll body (1) are movably connected, the protection cover (9) is sleeved on the surface of the roller shaft body (2), the protection cover (9) is movable on the outer side of the fastening nut A (8) and the clamping ring (7), the fastening nut B (10) is sleeved on the surface of the roller shaft body (2) in a threaded manner, and the fastening nut B (10) is movable on the left side of the protection cover (9).
2. The connecting structure of the lower pinch roll and the roll shaft as claimed in claim 1, wherein the inner wall of the snap ring (7) is provided with an inclined surface matched with the annular inclined surface groove A (3), and the side surface of the snap ring (7) is provided with an inclined surface matched with the annular inclined surface groove B (6).
3. The connecting structure of the lower pinch roll and the roll shaft as claimed in claim 1, wherein the number of the positioning fixture blocks (5) is two, and the two positioning fixture blocks (5) are arranged in axial symmetry by taking the horizontal axis of the roll shaft as a symmetry axis.
4. A lower pinch roll and roll shaft connecting structure according to claim 1, characterized in that the tightening nut a (8) and the tightening nut B (10) have the same specification.
5. A lower pinch roll and roll shaft connecting structure according to claim 1, characterized in that the left end of the positioning fixture block (5) extends to the outside of the placing groove (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220093797.4U CN216937685U (en) | 2022-01-14 | 2022-01-14 | Connecting structure of lower pinch roll and roll shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220093797.4U CN216937685U (en) | 2022-01-14 | 2022-01-14 | Connecting structure of lower pinch roll and roll shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216937685U true CN216937685U (en) | 2022-07-12 |
Family
ID=82315976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220093797.4U Active CN216937685U (en) | 2022-01-14 | 2022-01-14 | Connecting structure of lower pinch roll and roll shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216937685U (en) |
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2022
- 2022-01-14 CN CN202220093797.4U patent/CN216937685U/en active Active
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