CN216540278U - Independent wedge type high-strength winding drum - Google Patents
Independent wedge type high-strength winding drum Download PDFInfo
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- CN216540278U CN216540278U CN202122715335.XU CN202122715335U CN216540278U CN 216540278 U CN216540278 U CN 216540278U CN 202122715335 U CN202122715335 U CN 202122715335U CN 216540278 U CN216540278 U CN 216540278U
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Abstract
The utility model discloses an independent wedge type high-strength winding drum which comprises a main shaft, four sector plates, a hollow sleeve and an expansion oil cylinder, wherein the sector plates and the hollow sleeve are sleeved on the main shaft; the middle surface of the left section of the bottom plane of each sector plate is high, the front surface and the rear surface of the left section of the bottom plane of each sector plate are low, a plurality of small grooves are symmetrically formed in the front surface and the rear surface of the left section of each sector plate along the axial direction, a wedge block I is fixedly connected into each small groove, the position, below the left section of each sector plate, of a spindle is quadrangular, step surfaces are arranged at the positions corresponding to the small grooves, each step surface is fixedly connected with a wedge block II, and the wedge blocks I and the wedge blocks II are in matched contact through inclined surfaces and hook heads. The high-strength winding drum disclosed by the utility model has the advantages that the material cost and the processing cost are reduced, and the processing period is shortened.
Description
Technical Field
The utility model belongs to the technical field of uncoilers, and particularly relates to a coiling drum structure of an uncoiler for uncoiling a steel coil on a cold-rolled sheet strip production line.
Background
A cold-rolling uncoiler is a key device in a cold-rolling and subsequent finishing line, and is used for uncoiling coiled strip so as to perform cold-rolling or finishing treatment on the strip. The drum acts as a key component of the unwinder, which directly affects the performance and service life of the unwinder.
The reel that is used for big coil weight and big tension to open a book at present mainly uses the quadrangular pyramid formula, and its theory of operation is: the main shaft, namely the quadrangular pyramid shaft, moves axially under the driving of a piston rod of the expansion and contraction oil cylinder, and when the main shaft moves leftwards, an inclined plane on the main shaft pushes an inclined plane on the sector plate, so that the sector plate moves outwards along the radial direction, and the expansion of the winding drum is realized; when the main shaft moves rightwards, the hook head key assembled on the main shaft pulls the hook head of the sector plate, so that the sector plate moves inwards along the radial direction, and the winding drum is reduced. This structure, as shown in fig. 6, has many disadvantages in the manufacturing and using processes: firstly, each inclined plane of the rectangular pyramid shaft cannot be formed independently during blank forging, only the inclined plane and other parts can be forged into an integral blank together, then a large amount of materials are machined and cut through subsequent machining to machine and form the inclined plane, the gross-to-net ratio is high, the material cost and the machining cost are increased, meanwhile, because the rectangular pyramid shaft is longer, the machining amount is too large, and a large deformation risk exists, certain technological measures have to be taken to reduce the machining deformation, so that the manufacturing process is more complicated, the manufacturing period is prolonged, and the machining cost is further increased; secondly, the root of the inclined plane of the quadrangular pyramid shaft has poor rigidity and strength due to the removal of materials, so that the use performance of the winding drum is reduced; thirdly, the inclined plane of the hook head of the fan-shaped plate and other parts of the fan-shaped plate are of an integral structure, the repair difficulty of the worn hook head of the fan-shaped plate is high, the root part of the hook head is a stress concentration area and is easy to break, and when the crack occurs, the reliable repair cannot be carried out, and the whole fan-shaped plate needs to be scrapped; the root of each bevel is also a weak area of strength; the part of the four-pyramid shaft connected with the expansion cylinder is weak, and the four-pyramid shaft needs to be subjected to integral scrapping treatment after fatigue fracture occurs, so that the maintenance period is long and the maintenance cost is high.
Disclosure of Invention
The utility model aims to provide an independent wedge type high-strength winding drum, which reduces the material cost and the processing cost and shortens the processing period. In addition, the utility model also improves the rigidity and the strength of the winding drum, prolongs the service life of the winding drum, shortens the maintenance period in the subsequent use process and reduces the maintenance cost.
The utility model relates to an independent wedge type high-strength winding drum which comprises a main shaft, four sector plates, a hollow sleeve and an expansion oil cylinder, wherein the sector plates and the hollow sleeve are sleeved on the main shaft; the middle surface of the left section of the bottom plane of each sector plate is high, the front surface and the rear surface of the left section of the bottom plane of each sector plate are low, a plurality of small grooves are symmetrically formed in the front surface and the rear surface of the left section of each sector plate along the axial direction, a wedge block I is fixedly connected into each small groove, the position, below the left section of each sector plate, of a spindle is quadrangular, step surfaces are arranged at the positions corresponding to the small grooves, each step surface is fixedly connected with a wedge block II, and the wedge blocks I and the wedge blocks II are in matched contact through inclined surfaces and hook heads.
Furthermore, the bottom of the wedge II is provided with a boss with an inclined surface, and the boss is embedded into a groove at the root of the step surface of the main shaft.
Furthermore, the wedge block guide mechanism further comprises a pressing block, two step surfaces in the front and the back of the middle surface of the left section of the bottom plane of the sector plate are of dovetail structures, the pressing block is fixed on the front and the back of the left section of the bottom plane of the sector plate, a boss inclined surface on the inner side of the wedge block I is in contact with a dovetail inclined surface of the sector plate, and the pressing block is pressed on an inclined surface on the outer side of the wedge block I through the inclined surface.
Furthermore, the high-strength winding drum also comprises a dovetail guide mechanism, and the dovetail guide mechanism comprises a dovetail key and a dovetail block; the right section of every sector plate baseplane is provided with one and goes up big recess, goes up a dovetail key of big recess fixed connection, and the below that the main shaft is located sector plate right section is cylindrical, has seted up one big recess down in the position that last big recess corresponds, and 360 equipartitions of four big recesses down, fixed connection dovetail block on every big recess down, and the dovetail key passes through inclined plane and dovetail cooperation contact with the dovetail block.
Further, the high-strength winding drum further comprises a radial guide structure, the radial guide structure comprises a fixing plate, the left end of the sector plate is a T-shaped hook, and the fixing plate is fixed on the right end face of the hollow sleeve and extends into the T-shaped hook of the sector plate.
Further, radial guide structure still includes antifriction plate I, antifriction plate II, and the T type eave tile both sides face of sector plate is the inclined plane, is provided with the recess on the both sides inclined plane and the terminal surface of T type eave tile, and antifriction plate I, antifriction plate II set up respectively in inclined plane recess and terminal surface recess, and with the laminating of hollow cover.
Furthermore, the high-strength winding drum further comprises a connecting shaft, the connecting shaft is arranged in the hollow piston rod of the expansion oil cylinder, the left end of the connecting shaft is connected with the hollow piston rod of the expansion oil cylinder through a nut, and the right end of the connecting shaft is connected with the main shaft through a screw.
The high-strength winding drum has the advantages that: the wedge block I and the wedge block II are independent parts and are connected with the sector plate and the main shaft through the inclined groove and the fastener in a positioning mode, so that the material cost and the processing cost are reduced, and the processing period is shortened; meanwhile, the rigidity of the winding drum is improved, the service life of the winding drum is prolonged, the maintenance period in the subsequent use process is shortened, and the maintenance cost is reduced; when the wedge block I and the wedge block II are worn, only the wedge block I and the wedge block II need to be replaced, and the main shaft and the sector plate do not need to be scrapped, so that the maintenance period is shortened, and the maintenance cost is reduced; the dovetail key and the dovetail block are independent parts, when the dovetail key and the dovetail block are worn, only the dovetail key and the dovetail block need to be replaced, and the spindle and the sector plate do not need to be scrapped, so that the maintenance period is shortened, and the maintenance cost is reduced; meanwhile, the dovetail fit is matched relative to the hook head, so that the stability of the radial movement of the sector plate is further ensured; thirdly, a guide groove is formed between the hollow sleeve and the T-shaped hook head of the sector plate by the fixing plate, so that the sector plate is axially positioned and radially guided, and the sector plate can only move in the radial direction; meanwhile, the wear-resisting plates I and II reduce the wear to the sector plates and the hollow sleeve body; and fourthly, the main shaft is connected with the expansion oil cylinder through the connecting shaft, the risk of breakage and damage of the main shaft is eliminated, and the service life of the winding drum is prolonged.
Drawings
FIG. 1 is a schematic structural view of a high strength roll of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a partial view taken along the direction C in FIG. 1;
FIG. 5 is a perspective view of a sector plate;
fig. 6 is a schematic structural view of a spool of the prior art of quadrangular pyramid type.
Detailed Description
Example 1
As can be seen from fig. 1, 2 and 5, the independent wedge type high-strength winding drum comprises a main shaft 1, four sector plates 2, a hollow sleeve 3 and an expansion oil cylinder 10, wherein the sector plates 2 and the hollow sleeve 3 are both sleeved on the main shaft 1, the left end of the hollow sleeve 3 is connected with the expansion oil cylinder 10, and the right end of the hollow sleeve 3 is connected with the sector plates 2; the middle face of the left section of the bottom plane of each sector plate 2 is higher, the front face and the rear face are lower, a plurality of small grooves are symmetrically formed in the front face and the rear face along the axial direction, each small groove is fixedly connected with a wedge block I4, the lower portion of the spindle 1, which is located at the left section of each sector plate 2, is quadrangular, step faces are arranged at positions corresponding to the small grooves, each step face is fixedly connected with a wedge block II 6, and the wedge blocks I4 and the wedge blocks II 6 are in matched contact through inclined faces and hook heads. Wherein, voussoir I4 passes through the screw with sector plate 2 and is connected with the locating pin, and voussoir II 6 passes through the screw with main shaft 1 and is connected with the locating pin.
The working principle of the high-strength winding drum is as follows: when the main shaft 1 moves leftwards, a wedge block II 6 arranged on the main shaft 1 pushes a wedge block I4 arranged on the sector plate 2 to move outwards through an inclined plane, and the sector plate 2 moves outwards along the radial direction to realize the expansion of the winding drum; when the main shaft moves rightwards, a wedge block II 6 arranged on the main shaft 1 pulls a wedge block I4 arranged on the sector plate 2 to move inwards through the hook head, and the sector plate 2 moves inwards in the radial direction to realize the reduction of the winding drum.
In the high-strength reel of the present invention: the wedge block I4 is an independent part and is fixedly connected to the sector plate 2, so that the sector plate 2 improves the rigidity and strength and cannot be broken due to stress concentration; the wedge II 6 is an independent part and is fixedly connected to the main shaft 1, the main shaft 1 does not need to be forged into an inclined plane, the rigidity and the strength are improved, and the use of the winding drum is prolonged; meanwhile, the processing amount is small, so that the material cost and the processing cost are greatly reduced, and the manufacturing period is shortened. In addition, when the wedge block I4 and the wedge block II 6 are worn, only the wedge block I4 and the wedge block II 6 need to be replaced, and the main shaft 1 and the sector plate do not need to be scrapped by 2, so that the maintenance period is shortened, and the maintenance cost is reduced.
Example 2
As can be seen from fig. 1, 2, and 5, the high-strength roll of the present invention: the bottom of the wedge II 6 is provided with a boss with an inclined surface, and the boss is embedded into a groove at the root of the step surface of the main shaft 1.
The wedge II 6 is connected to the main shaft 1, and the inclined plane of the boss at the bottom of the wedge II is in matched contact with the inclined plane of the groove at the root of the step of the main shaft 1, so that the bottom surface of the wedge II 6 is tightly attached to the main shaft, the contact precision of the wedge II 6 and the main shaft 1 is improved, and the reliability of the main shaft 1 for enabling the sector plate 2 to move inwards and outwards along the radial direction through the wedge II 6 and the wedge I4 is improved.
Example 3
As can be seen from fig. 1, 2, and 5, the high-strength roll of the present invention: the wedge block guide mechanism further comprises a pressing block 5, two step surfaces in the front and the back of the middle surface of the left section of the bottom plane of the sector plate 2 are of dovetail structures, the pressing block 5 is fixed on the front and the back of the left section of the bottom plane of the sector plate 2, a boss inclined surface on the inner side of the wedge block I4 is in contact with a dovetail inclined surface of the sector plate 2, and the pressing block 5 is pressed on an inclined surface on the outer side of the wedge block I4 through the inclined surface.
The pressing block 5 pushes the wedge block I4 in contact with the inclined surface of the pressing block to move towards the dovetail groove direction of the sector plate 2 under the action of the pretightening force of the screw, so that the inclined surface of a boss extending out of the bottom of the wedge block I4 is tightly attached to the inclined surface of a dovetail of the sector plate, the bottom surface of the boss of the wedge block I4 is tightly attached to the bottom surface of the dovetail of the sector plate 2, the contact precision of the wedge block I4 and the sector plate 2 is improved, and the reliability that the sector plate 2 moves inwards and outwards along the radial direction through the wedge block II 6 and the wedge block I4 of the main shaft 1 is improved.
Example 4
As can be seen from fig. 1 and 3, the high-strength winding drum of the utility model further comprises a dovetail guide mechanism, wherein the dovetail guide mechanism comprises a dovetail key 7 and a dovetail block 8; the right section of 2 baseplanes of every sector plate is provided with one and goes up big recess, goes up a dovetail key 7 of big recess fixed connection, and main shaft 1 is located the below of 2 right sections of sector plate and is cylindrical, has seted up one big recess down in the position that last big recess corresponds, 360 equipartitions of four big recesses down, fixed connection dovetail block 8 on every big recess down, dovetail key 7 and dovetail block 8 pass through inclined plane and dovetail cooperation contact. The dovetail block 8 is connected with the main shaft 1 through a screw and a positioning pin, and the dovetail key 7 is connected with the sector plate 2 through a screw and a positioning pin.
The high-strength winding drum of the utility model: a dovetail key 7 in the dovetail guide mechanism is matched with a dovetail block 8 through an inclined surface and a dovetail, and a wedge block I4 in the wedge block guide mechanism is matched with a wedge block II 6 through an inclined surface and a hook head; the dovetail fit is matched relative to the hook head, so that the stability of the radial movement of the sector plate 2 is further ensured. In addition, the dovetail key 7 and the dovetail block 8 are independent parts, when the dovetail key and the dovetail block are worn, only the dovetail key and the dovetail block need to be replaced, and the main shaft 1 and the sector plate do not need to be scrapped 2, so that the maintenance period is shortened, and the maintenance cost is reduced. Meanwhile, the main shaft 1 and the sector plate 2 improve the rigidity and the strength, and the service life of the winding drum is prolonged.
Example 5
As can be seen from fig. 1, 4 and 5, the high-strength winding drum of the utility model further comprises a radial guide structure, the radial guide structure comprises a fixing plate 11, the left end of the sector plate 2 is a T-shaped hook, and the fixing plate 11 is fixed on the right end face of the hollow sleeve 3 and extends into the T-shaped hook of the sector plate 2.
The fixing plate 11 forms a guide groove between the hollow sleeve 3 and the T-shaped hook of the sector plate 2, so that the sector plate is axially positioned and radially guided, and the sector plate can only move in the radial direction.
Example 6
As can be seen from fig. 1, 4, and 5, the high-strength roll of the present invention: radial guide structure still includes antifriction plate I12, antifriction plate II 13, and the T type eave tile both sides face of sector plate 2 is the inclined plane, is provided with the recess on the both sides inclined plane and the terminal surface of T type eave tile, and antifriction plate I12, antifriction plate II 13 set up respectively in inclined plane recess and terminal surface recess, and with the hollow 3 laminating of cover.
The inclined plane cooperation of the T type eave tile both sides of sector plate 2 has improved the direction precision, antifriction plate I12, antifriction plate II 13 improved with hollow cover 3's wear resistance, reduce the wearing and tearing to sector plate 2 and hollow cover 3 bodies.
Example 7
As can be seen from fig. 1, the high-strength winding drum of the utility model further comprises a connecting shaft 9, the connecting shaft 9 is arranged in the hollow piston rod of the expansion cylinder 10, the left end of the connecting shaft is connected with the hollow piston rod of the expansion cylinder 10 through a nut, and the right end of the connecting shaft is connected with the main shaft 1 through a screw.
The main shaft 1 is connected with the connecting shaft 9, the connecting shaft 9 is connected with the hollow piston rod of the expansion oil cylinder 10, the rigidity and the strength of the main shaft 1 are improved, the risk of breakage and damage of the main shaft is eliminated, and the service life of the winding drum is prolonged. When the shaft neck of the connecting piston rod is damaged, the connecting shaft can be directly disassembled for maintenance, and the maintenance cost is reduced.
The working principle of the high-strength winding drum is as follows: the connecting shaft 9 drives the main shaft 1 to axially move under the driving of a piston rod of the expansion oil cylinder 10, when the main shaft 1 moves leftwards, a wedge block II 6 and a dovetail block 8 which are arranged on the main shaft 1 push a wedge block I4 and a dovetail key 7 which are arranged on the sector plate 2 to move outwards, and the sector plate 2 moves outwards along the radial direction under the guiding action of the T-shaped hook head at the left end, so that the expansion of the winding drum is realized; when the spindle moves rightwards, the hook head of the wedge block II 6 and the dovetail groove on the dovetail block 8 pull the wedge block I4 and the dovetail key 7 to move inwards, and the sector plate 2 moves inwards in the radial direction under the guiding action of the T-shaped hook head at the left end, so that the winding drum is reduced.
The high-strength winding drum has the advantages that: the wedge block I4 and the wedge block II 6 are independent parts and are connected with the sector plate 2 and the spindle 1 in a positioning mode through the inclined groove and the fastener, so that the material cost and the processing cost are reduced, and the processing period is shortened; meanwhile, the rigidity of the winding drum is improved, the service life of the winding drum is prolonged, the maintenance period in the subsequent use process is shortened, and the maintenance cost is reduced; when the wedge block I4 and the wedge block II 6 are worn, only the wedge block I4 and the wedge block II 6 need to be replaced, and the main shaft 1 and the sector plate 2 do not need to be scrapped, so that the maintenance period is shortened, and the maintenance cost is reduced; the dovetail key 7 and the dovetail block 8 are independent parts, when the dovetail key 7 and the dovetail block 8 are worn, only the dovetail key 7 and the dovetail block 8 need to be replaced, and the spindle 1 and the sector plate do not need to be scrapped 2, so that the maintenance period is shortened, and the maintenance cost is reduced; meanwhile, the dovetail fit is matched relative to the hook head, so that the stability of the radial movement of the sector plate 2 is further ensured; thirdly, a guide groove is formed between the hollow sleeve 3 and the T-shaped hook head of the sector plate 2 by the fixing plate 11, so that the sector plate is axially positioned and radially guided, and can only move radially; meanwhile, the wear-resisting plates I12 and II 13 reduce the wear to the sector plates 2 and the hollow sleeve 3 body; fourthly, the main shaft 1 is connected with the expansion oil cylinder 10 through the connecting shaft 9, the risk of breakage and damage of the main shaft is eliminated, and the service life of the winding drum is prolonged.
Claims (7)
1. The utility model provides an independent wedge type's high strength reel, it includes main shaft (1), four sector plate (2), hollow cover (3), breathing hydro-cylinder (10), and sector plate (2), hollow cover (3) all overlap on main shaft (1), and breathing hydro-cylinder (10), right-hand member connection sector plate (2), characterized by are connected to hollow cover (3) left end: the wedge block guiding mechanism comprises a wedge block I (4) and a wedge block II (6); the middle face of the left section of the bottom plane of each sector plate (2) is high, the front face and the rear face are low, a plurality of small grooves are symmetrically formed in the front face and the rear face along the axial direction, a wedge block I (4) is fixedly connected into each small groove, the lower portion, located on the left section of each sector plate (2), of the main shaft (1) is quadrangular, step faces are arranged at positions corresponding to the small grooves, each step face is fixedly connected with a wedge block II (6), and the wedge blocks I (4) and the wedge blocks II (6) are in matched contact through inclined faces and hook heads.
2. The high strength spool as claimed in claim 1, wherein: the bottom of the wedge II (6) is provided with a boss with an inclined plane, and the boss is embedded into a groove at the root of the step surface of the main shaft (1).
3. The high strength spool as claimed in claim 1, wherein: the wedge block guide mechanism further comprises a pressing block (5), two step surfaces in the front and the back of the middle surface of the left section of the bottom plane of the sector plate (2) are of dovetail structures, the pressing block (5) is fixed on the front and the back of the left section of the bottom plane of the sector plate (2), a boss inclined surface on the inner side of the wedge block I (4) is in contact with a dovetail inclined surface of the sector plate (2), and the pressing block (5) is pressed on an inclined surface on the outer side of the wedge block I (4) through the inclined surface.
4. The high strength spool as claimed in claim 1, wherein: the high-strength winding drum also comprises a dovetail guide mechanism, and the dovetail guide mechanism comprises a dovetail key (7) and a dovetail block (8); the right section of every sector plate (2) baseplane is provided with one and goes up big recess, goes up dovetail key (7) of big recess fixed connection, and main shaft (1) is located the below of sector plate (2) right section and is cylindrical, has seted up one big recess down in the position that last big recess corresponds, 360 equipartitions of four big recesses down, fixed connection dovetail block (8) on every big recess down, dovetail key (7) and dovetail block (8) are through inclined plane and dovetail cooperation contact.
5. The high strength spool as claimed in claim 1, wherein: the high-strength winding drum further comprises a radial guide structure, the radial guide structure comprises a fixing plate (11), the left end of the sector plate (2) is a T-shaped hook, and the fixing plate (11) is fixed on the right end face of the hollow sleeve (3) and extends into the T-shaped hook of the sector plate (2).
6. The high strength spool according to claim 5, wherein: radial guide structure still includes antifriction plate I (12), antifriction plate II (13), and the T type eave tile both sides face of sector plate (2) is the inclined plane, is provided with the recess on the both sides inclined plane and the terminal surface of T type eave tile, and antifriction plate I (12), antifriction plate II (13) set up respectively in inclined plane recess and terminal surface recess, and with hollow cover (3) laminating.
7. The high strength spool as claimed in claim 1, wherein: the high-strength winding drum further comprises a connecting shaft (9), the connecting shaft (9) is arranged in the hollow piston rod of the expansion oil cylinder (10), the left end of the connecting shaft is connected with the hollow piston rod of the expansion oil cylinder (10) through a nut, and the right end of the connecting shaft is connected with the main shaft (1) through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122715335.XU CN216540278U (en) | 2021-11-08 | 2021-11-08 | Independent wedge type high-strength winding drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122715335.XU CN216540278U (en) | 2021-11-08 | 2021-11-08 | Independent wedge type high-strength winding drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216540278U true CN216540278U (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122715335.XU Active CN216540278U (en) | 2021-11-08 | 2021-11-08 | Independent wedge type high-strength winding drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216540278U (en) |
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2021
- 2021-11-08 CN CN202122715335.XU patent/CN216540278U/en active Active
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