CN212285307U - Novel roller ring replacing device of three-roller precision rolling mill - Google Patents
Novel roller ring replacing device of three-roller precision rolling mill Download PDFInfo
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- CN212285307U CN212285307U CN202021321178.3U CN202021321178U CN212285307U CN 212285307 U CN212285307 U CN 212285307U CN 202021321178 U CN202021321178 U CN 202021321178U CN 212285307 U CN212285307 U CN 212285307U
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Abstract
The utility model belongs to the technical field of the rolling mill appurtenance, concretely relates to novel three-roller precision rolling mill collars are changed device. The technical scheme is as follows: the utility model provides a novel change of three-roller precision rolling mill collars device, includes the hoist and mount board, the one end of hoist and mount board articulates there is the limiting plate, and the other end of hoist and mount board articulates there is first even board, and the other end of limiting plate articulates there is the second even board, and first even board other end is fixed with first splint, and the second is fixed with the second splint even board other end, all is fixed with the locating pin on first splint and the second splint, and first even board middle section and second are even board middle section articulated. The utility model provides a convenient operation, reliable novel three-roller precision rolling mill collars change device.
Description
Technical Field
The utility model belongs to the technical field of the rolling mill appurtenance, concretely relates to novel three-roller precision rolling mill collars are changed device.
Background
The three rolls of the three high section mill are of equal diameter and are all driven. After the rolled piece is rolled between the lower roller and the middle roller, the rolled piece is rolled back between the upper roller and the middle roller and is rolled back and forth on a stand for many times, and various transverse section type steel rolling mills and wire rod rolling mills belong to the category.
The rod ring of the three-high mill is arranged on the long shaft. The structural space for replacing the roll collar is very limited and inconvenient to operate, the conventional full-manual roll replacement at least needs two workers to operate, one worker hoists the roll collar and aligns with the long shaft hole, and the other manipulator is arranged in the long shaft fixing roll collar.
When the roll collar is replaced manually, the operation difficulty is high, and the damage of the roll collar, the long shaft of the precision rolling mill and other parts caused by misoperation and the like is easy to occur.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model aims to provide a convenient and reliable roller ring replacing device for a novel three-roller precision rolling mill.
The utility model discloses the technical scheme who adopts does:
the utility model provides a novel change of three-roller precision rolling mill collars device, includes the hoist and mount board, the one end of hoist and mount board articulates there is the limiting plate, and the other end of hoist and mount board articulates there is first even board, and the other end of limiting plate articulates there is the second even board, and first even board other end is fixed with first splint, and the second is fixed with the second splint even board other end, all is fixed with the locating pin on first splint and the second splint, and first even board middle section and second are even board middle section articulated. All be fixed with the locating pin on first splint and the second splint, when the rod ring is mentioned to needs, with the locating pin block to in the ring channel of rod ring side. When the hoisting plate is hoisted, the hoisting plate and the limiting plate have a tendency of being close together under the action of the gravity of the rod ring, and the first connecting plate and the second connecting plate have a tendency of being close together. Therefore, under the action of the first connecting plate and the second connecting plate, the first clamping plate and the second clamping plate tend to be drawn together, the positioning pin can be always clamped in the annular groove of the stick ring, and the stick ring can be smoothly taken out of the rolling mill.
As the utility model discloses a preferred scheme, articulated on the first board even have the locking handle, locking handle and second are connected with extension spring that resets between even the board. The reset extension spring can draw the first connecting plate and the second connecting plate together, so that the clamping of the positioning pin and the annular groove of the rod ring is more reliable, and the rod ring is prevented from dropping in the hoisting process. When the first clamping plate and the second clamping plate are required to be opened, the locking handle is rotated, the clamping column on the locking handle can push the push block open, the first connecting plate and the second connecting plate can be opened at a certain angle, and the two clamping plates can be smoothly separated.
As the utility model discloses a preferred scheme, be fixed with the block post on the locking handle, first even be provided with the block groove on the board, when first splint and second splint press from both sides the rod ring tight, the block post block is in the block inslot. After the locating pin block arrived the ring channel of rod ring, rotatable locking handle, the block post block was arrived in the block inslot during, and the extension spring that resets this moment is located the pin joint of locking handle and first company board and is close to one side of first company board, then under extension spring's effect that resets, the block post has the trend of pasting tight block groove. The first connecting plate and the second connecting plate are drawn together by the reset extension spring, and the positioning pin can be reliably clamped in the annular groove of the stick ring, so that the situation that the stick ring falls off is avoided. After the clamping column is clamped to the clamping groove, the reset extension spring cannot deform automatically, and the clamping reliability of the positioning pin and the annular groove of the stick ring is guaranteed.
As the utility model discloses a preferred scheme, the second is provided with the ejector pad even on the board, and when first splint and second splint loosened the rod ring, the block was pushed open to the block that closes. And the locking handle is rotated reversely, and the clamping column on the locking handle is contacted with the push block and pushes the push block away. Because the push block and the second connecting plate are integrated, the second connecting plate is opened relative to the first connecting plate, and the two clamping plates can be smoothly separated.
As the utility model discloses an optimal scheme, the quantity of limiting plate is two, leaves the clearance between two limiting plates, and when the block post pushed the ejector pad open, the ejector pad cover was located between two limiting plates. When the locking handle is rotated reversely, the clamping column on the locking handle pushes the push block open, at the moment, the push block is always sleeved between the two limiting plates, and the two limiting plates play a limiting role in limiting the push block.
As the utility model discloses a preferred scheme, be provided with the extension piece on the second even board, extension spring that resets is connected between extension piece and locking handle.
As the utility model discloses an optimal scheme, all be provided with location structure on first splint and the second splint, location structure cooperates with the limit structure in the backup pad.
As the utility model discloses an optimal scheme, location structure on first splint and the second splint is two location planes, two location planes and two spacing plane cooperations in the backup pad. When the locating plane on first splint and the second splint and two liang of laminating of spacing plane in the backup pad, the locating pin just with the ring channel block of rod ring, realize quick location, effect when can improving the change rod ring. And, under the spacing planar effect of backup pad, the connection condition of locating pin and rod ring's ring channel is judged more easily, can correspondingly improve the reliability of connecting, reduces misoperation's the condition.
As the preferred scheme of the utility model, be provided with the hoisting ring on the hoist and mount board.
The utility model has the advantages that:
1. the utility model discloses an all be fixed with the locating pin on first splint and the second splint, when the rod ring is mentioned to needs, with the locating pin block to the ring channel of rod ring side in. When the hoisting plate is hoisted, the hoisting plate and the limiting plate have a tendency of being close together under the action of the gravity of the rod ring, and the first connecting plate and the second connecting plate have a tendency of being close together. Therefore, under the action of the first connecting plate and the second connecting plate, the first clamping plate and the second clamping plate tend to be drawn together, the positioning pin can be always clamped in the annular groove of the stick ring, and the stick ring can be smoothly taken out of the rolling mill. The utility model discloses do not need too much manual operation, and easy operation. The utility model discloses carry out accurate hoist and mount to rod ring, reduced the condition that spare parts such as rod ring or major axis damaged.
2. The reset extension spring can draw the first connecting plate and the second connecting plate together, so that the clamping of the positioning pin and the annular groove of the rod ring is more reliable, and the rod ring is prevented from dropping in the hoisting process. When the first clamping plate and the second clamping plate are required to be opened, the locking handle is rotated, the clamping column on the locking handle can push the push block open, the first connecting plate and the second connecting plate can be opened at a certain angle, and the two clamping plates can be smoothly separated. Therefore, the first clamping plate and the second clamping plate are more reliably folded or unfolded by arranging the reset extension spring, the push block and the clamping column.
3. Two locating planes on first splint and the second splint can laminate with two spacing planes in the backup pad, then first splint and second splint can place fast and target in place, and the locating pin can be fast and accurately block to the annular channel of rod ring in, improve rod ring replacement effect and the reliability when connecting the rod ring.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a front view of the present invention;
FIG. 3 is an assembly view of the present invention with a rolling mill;
FIG. 4 is a schematic view of the present invention in combination with a stick ring and a support plate;
fig. 5 is a front view of the present invention in a clamped state;
fig. 6 is a rear view of the present invention in the clamped state;
fig. 7 is a front view of the present invention in its open state;
fig. 8 is a rear view of the present invention in an open state.
In the drawings, 1-hoisting plate; 2-a limiting plate; 3-a first tie sheet; 4-a second connecting plate; 5-a first splint; 6-a second splint; 7-a positioning pin; 8-locking a handle; 9-a return extension spring; 81-snap post; 31-a clamping groove; 41-a push block; 42-an extension block; 11-hoisting rings; 21-a portable handle; a 1-stick loop; a 11-ring groove; a 2-supporting plate.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1 and 2, the novel roll collar replacing device for the three-roll precision rolling mill of the embodiment comprises a hoisting plate 1, wherein a limiting plate 2 is hinged to one end of the hoisting plate 1, a first connecting plate 3 is hinged to the other end of the hoisting plate 1, a second connecting plate 4 is hinged to the other end of the limiting plate 2, a first clamping plate 5 is fixed to the other end of the first connecting plate 3, a second clamping plate 6 is fixed to the other end of the second connecting plate 4, positioning pins 7 are fixed to the first clamping plate 5 and the second clamping plate 6, and the middle section of the first connecting plate 3 is hinged to the middle section of the second connecting plate 4. As shown in FIGS. 3 and 4, when it is desired to lift the stick ring a1, the positioning pin 7 is snapped into an annular groove a11 on the side of the stick ring a 1. When the hoisting plate 1 is hoisted, the first clamping plate 5 and the second clamping plate 6 tend to be closed under the action of the gravity of the stick ring a1, the positioning pin 7 can be always clamped in the annular groove a11 of the stick ring a1, and the stick ring a1 can be smoothly taken out of the rolling mill. The utility model discloses do not need too much manual operation, and easy operation. The utility model discloses carry out accurate hoist and mount to rod ring a1, reduced the condition that spare parts such as rod ring a1 or major axis damaged.
In order to improve the reliability during hoisting, the first connecting plate 3 is hinged with a locking handle 8, and a reset extension spring 9 is connected between the locking handle 8 and the second connecting plate 4. Reset extension spring 9 can draw locking handle 8 and second even board 4 together, and second even board 4 draws close with first even board 3 is corresponding, and then locating pin 7 is more reliable with rod ring a 1's ring channel a11 block, avoids rod ring a1 hoist and mount in-process to drop. As shown in fig. 5 and 6, an engaging post 81 is fixed to the locking handle 8, an engaging groove 31 is provided in the first link plate 3, and when the stick ring a1 is clamped by the first clamp plate 5 and the second clamp plate 6, the engaging post 81 is engaged in the engaging groove 31. After the positioning pin 7 is clamped into the annular groove a11 of the stick ring a1, the locking handle 8 can be rotated, the clamping column 81 is clamped into the clamping groove 31, the return tension spring 9 is positioned at one side of the hinge point of the locking handle 8 and the first connecting plate 3, which is close to the first connecting plate 3, and the clamping column 81 tends to be tightly attached to the clamping groove 31 under the action of the return tension spring 9. When the first link plate 3 and the second link plate 4 are drawn together by the return tension spring 9, the positioning pin 7 can be reliably clamped in the annular groove a11 of the stick ring a1, and the stick ring a1 is prevented from falling. After the engaging post 81 is engaged with the engaging groove 31, the return tension spring 9 will not deform by itself, and the reliability of the engagement between the positioning pin 7 and the annular groove a11 of the stick ring a1 is ensured.
As shown in fig. 7 and 8, in order to facilitate the opening of the first clamping plate 5 and the second clamping plate 6, the second connecting plate 4 is provided with a push block 41, and when the stick ring a1 is released by the first clamping plate 5 and the second clamping plate 6, the push block 41 is pushed open by the engaging post 81. Before gripping the stick ring a1 or when putting down the stick ring a1, the first splint 5 and the second splint 6 need to be opened. The locking handle 8 is rotated reversely, and the engaging column 81 on the locking handle 8 contacts with the pushing block 41 and pushes the pushing block 41 away. Because the pushing block 41 and the second connecting plate 4 are integrated, the second connecting plate 4 is opened relative to the first connecting plate 3, and the two clamping plates can be smoothly separated. The junction of the push block 41 and the second connecting plate 4 can be provided with an arc-shaped groove, when the engaging column 81 slides into the arc-shaped groove, the utility model is opened in place.
Furthermore, as shown in fig. 1, the number of the limiting plates 2 is two, a gap is left between the two limiting plates 2, and when the engaging post 81 pushes the pushing block 41 open, the pushing block 41 is sleeved between the two limiting plates 2. When the locking handle 8 is rotated reversely, the engaging post 81 on the locking handle 8 pushes the push block 41 away, and at this time, the push block 41 is always sleeved between the two limiting plates 2, and then the two limiting plates 2 play a limiting role in limiting the push block 41. In a similar way, when the locking handle 8 is rotated in the forward direction, under the action of the reset extension spring 9, the first connecting plate 3 and the second connecting plate 4 are closed, the pushing block 41 rotates along with the second connecting plate 4, and the pushing block 41 is always sleeved between the two limiting plates 2. After the plane of rotation of the limit plate 2 is defined, the first and second clamping plates 5 and 6 can also move along the exact path, ensuring that the positioning pin 7 is exactly engaged with the annular groove a11 of the stick ring a1 or disengaged from the annular groove a11 of the stick ring a 1.
The second connecting plate 4 is provided with an extension block 42, and the return extension spring 9 is connected between the extension block 42 and the locking handle 8. Rotation locking handle 8 makes the utility model discloses when clamping state to the state of opening, reset tension spring 9 can overturn the pin joint of locking handle 8 with first link plate 3, then locking handle 8 is at the opposite direction of the rotation trend when clamping state and the state of opening, and during clamping state, block post 81 can reliably be blocked in block groove 31.
In order to facilitate the quick positioning of the present invention, as shown in fig. 4, the positioning structures on the first clamping plate 5 and the second clamping plate 6 are two positioning planes, and the two positioning planes are matched with the two limiting planes on the supporting plate a 2. When the locating planes on the first clamping plate 5 and the second clamping plate 6 are attached to the limiting planes on the supporting plate a2 two by two, the locating pin 7 is just clamped with the annular groove a11 of the stick ring a1, so that the fast locating is realized, and the effect of replacing the stick ring a1 can be improved. Under the action of the limiting plane of the supporting plate a2, the connection condition of the positioning pin 7 and the annular groove a11 of the stick ring a1 is easier to judge, the connection reliability can be correspondingly improved, and the condition of misoperation is reduced.
When the utility model is transferred, the portable handle 21 can be carried by hand, thereby being convenient for operation.
The working principle is as follows:
the locking handle 8 is rotated reversely, so that the engaging column 81 on the locking handle 8 pushes the pushing block 41 away, the first connecting plate 3 and the second connecting plate 4 are opened, and the first clamping plate 5 and the second clamping plate 6 are opened. Two planes which are at a certain angle on the first clamping plate 5 and the second clamping plate 6 are attached to two planes on the supporting plate a2, so that the rapid positioning is realized. When the handle 8 is positively locked and the engaging post 81 is engaged with the engaging groove 31, the first clamping plate 5 and the second clamping plate 6 are moved together by the contracting force of the return tension spring 9, and the positioning pin 7 is securely engaged with the annular groove a11 of the stick ring a 1. The lifting tool is used to hook the lifting ring 11 on the lifting plate 1 and the stick ring a1 is transferred to a determined position. The locking handle 8 is rotated reversely again, then the locating pin 7 can be deviate from the annular groove a11 of rod ring a1, the utility model discloses with rod ring a1 separation, hoist and mount are accomplished. And then, the new stick ring a1 is hoisted to the installation position of the stick ring a1 in the rolling mill, so that the stick ring a1 can be quickly replaced.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (9)
1. The utility model provides a novel three-roller precision rolling mill collars is changed device, a serial communication port, including hoist and mount board (1), the one end of hoist and mount board (1) articulates there is limiting plate (2), the other end of hoist and mount board (1) articulates there is first even board (3), the other end of limiting plate (2) articulates there is even board (4) of second, the first other end of even board (3) is fixed with first splint (5), the second is even the other end of board (4) is fixed with second splint (6), all be fixed with locating pin (7) on first splint (5) and second splint (6), the middle section of first even board (3) and the middle section of second even board (4) are articulated.
2. The novel roll collar replacing device for the three-roll precision rolling mill according to claim 1, characterized in that a locking handle (8) is hinged on the first connecting plate (3), and a reset extension spring (9) is connected between the locking handle (8) and the second connecting plate (4).
3. The new roll collar replacing device for the three-roll precision rolling mill according to claim 2, characterized in that the locking handle (8) is fixed with a snap column (81), the first connecting plate (3) is provided with a snap groove (31), and when the roll collar (a1) is clamped by the first clamping plate (5) and the second clamping plate (6), the snap column (81) is snapped in the snap groove (31).
4. The new roll collar replacing device for the three-roll precision rolling mill according to claim 3 is characterized in that the second connecting plate (4) is provided with a push block (41), and when the roll collar (a1) is loosened by the first clamping plate (5) and the second clamping plate (6), the push block (41) is pushed away by the engaging column (81).
5. The novel roller ring replacing device for the three-roller precision rolling mill according to claim 4 is characterized in that the number of the limiting plates (2) is two, a gap is reserved between the two limiting plates (2), and when the pushing block (41) is pushed away by the clamping column (81), the pushing block (41) is sleeved between the two limiting plates (2).
6. A new roll collar changing device for a three-roll precision rolling mill according to claim 3, characterized in that the second connecting plate (4) is provided with an extension block (42), and the return tension spring (9) is connected between the extension block (42) and the locking handle (8).
7. The new roll collar replacing device for three-roll precision rolling mills according to claim 1, characterized in that the first clamping plate (5) and the second clamping plate (6) are provided with positioning structures, and the positioning structures are matched with the limiting structures on the supporting plate (a 2).
8. The new roll collar replacing device for the three-roll precision rolling mill according to claim 7, characterized in that the positioning structures on the first clamping plate (5) and the second clamping plate (6) are two positioning planes, and the two positioning planes are matched with the two limit planes on the supporting plate (a 2).
9. The roll collar replacing device for the three-roll precision rolling mill according to any one of claims 1 to 8, characterized in that the hoisting plate (1) is provided with a hoisting ring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021321178.3U CN212285307U (en) | 2020-07-07 | 2020-07-07 | Novel roller ring replacing device of three-roller precision rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021321178.3U CN212285307U (en) | 2020-07-07 | 2020-07-07 | Novel roller ring replacing device of three-roller precision rolling mill |
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| Publication Number | Publication Date |
|---|---|
| CN212285307U true CN212285307U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021321178.3U Active CN212285307U (en) | 2020-07-07 | 2020-07-07 | Novel roller ring replacing device of three-roller precision rolling mill |
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| CN (1) | CN212285307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111744964A (en) * | 2020-07-07 | 2020-10-09 | 四川易尚天交实业有限公司 | Novel roller ring replacing device of three-roller precision rolling mill |
-
2020
- 2020-07-07 CN CN202021321178.3U patent/CN212285307U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111744964A (en) * | 2020-07-07 | 2020-10-09 | 四川易尚天交实业有限公司 | Novel roller ring replacing device of three-roller precision rolling mill |
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