CN215844957U - Special detaching tool for front ring sleeve of mandrel of cold-rolled strip steel recoiling machine - Google Patents
Special detaching tool for front ring sleeve of mandrel of cold-rolled strip steel recoiling machine Download PDFInfo
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- CN215844957U CN215844957U CN202121402803.1U CN202121402803U CN215844957U CN 215844957 U CN215844957 U CN 215844957U CN 202121402803 U CN202121402803 U CN 202121402803U CN 215844957 U CN215844957 U CN 215844957U
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Abstract
The utility model relates to a special dismounting tool for a front sleeve of a mandrel of a cold-rolled strip steel coiler, belonging to the technical field of cold-rolled strip steel equipment maintenance tools. The technical scheme is as follows: contain two arcs (1), two connecting rods (2), a roof (3) and four through-holes (4), the one end of two parallel arrangement's connecting rod (2) is fixed respectively on roof (3), the other end of two parallel arrangement's connecting rod (2) respectively with an arc (1) fixed connection, be equipped with two through-holes (4) on every arc (1) respectively, the radian of arc (1) and the radian phase-match of coiler mandrel front ring cover, two through-holes (4) on arc (1) and the bolt hole phase-match on the coiler mandrel front ring cover. The utility model has the beneficial effects that: the structure is simple, the use is convenient, the front ring sleeve can be disassembled in a short time, the maintenance time is shortened by 60-70%, the labor cost is saved, and the working efficiency is improved.
Description
Technical Field
The utility model relates to a special dismounting tool for a front sleeve of a mandrel of a cold-rolled strip steel coiler, belonging to the technical field of cold-rolled strip steel equipment maintenance tools.
Background
The coiler is key equipment in the production of cold-rolled strip steel and is used for coiling the strip steel, and a mandrel of the coiler is a core part of the equipment. The coiling process of the coiling machine is completed by the expansion and contraction and rotation actions of the mandrel. The rotation of the mandrel is completed by a reduction gearbox driven by a motor, the expansion and contraction of the mandrel are realized by driving a mandrel pull rod to move through the extension or retraction of a cylinder rod of a rotary hydraulic cylinder, and the wedge moves along the axial direction of a mandrel main shaft under the pushing of the pull rod to drive the radial movement of the sector plate, so that the expansion and contraction of the diameter of the mandrel are realized. The coiling machine is cantilever type and has four sector plates, and the mandrel is provided with a jaw for clamping the strip steel. When coiling, the free end of the mandrel is supported by the outer side support to support the strip steel together with the mandrel, the strip steel is clamped by the jaw on the mandrel, and the strip steel is coiled after tension is established. In the production process, a fastening bolt of a front ring sleeve of a mandrel and a main shaft is subjected to shearing force and thrust for a long time, the bolt is frequently cut off, the bolt needs to be periodically disassembled and checked, the front ring sleeve is disassembled to replace the cut bolt, the assembling clearance between the front ring sleeve and the main shaft is small, the maximum clearance is 0.1mm, the front ring sleeve is connected with the main shaft and four positioning pins, the front ring sleeve is tightly sleeved on the main shaft, the weight of the front ring sleeve is large, more than 200 kilograms of the front ring sleeve is available, the front ring sleeve is not easy to disassemble, and the disassembly by using a common tool needs 8-10 hours once, which is time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a special dismounting tool for a front ring sleeve of a mandrel of a cold-rolled strip steel recoiling machine, which has a simple structure, is convenient for dismounting the front ring sleeve of the mandrel of the recoiling machine, shortens the maintenance time, improves the working efficiency and solves the problems in the background technology.
The technical scheme of the utility model is as follows:
the utility model provides a special extracting tool of ring cover before cold rolling strip steel coiler dabber, contains two arcs, two connecting rods, a roof and four through-holes, and the one end of two parallel arrangement's connecting rod is fixed respectively on the roof, and the other end of two parallel arrangement's connecting rod respectively with an arc fixed connection, be equipped with two through-holes on every arc respectively, the radian of arc and the radian phase-match of coiler dabber front ring cover, two through-holes on the arc and the bolt hole phase-match on the coiler dabber front ring cover.
The two through holes on the arc-shaped plate are symmetrically arranged on two sides of the connecting rod.
The top plate is a rectangular plate.
The utility model has the beneficial effects that: the utility model has simple structure and convenient use, can disassemble the front ring sleeve in a short time, shortens the maintenance time by 60-70%, saves the labor cost and improves the working efficiency.
Drawings
FIG. 1 is a schematic view of a coiler mandrel configuration;
FIG. 2 is a cross-sectional view B-B of FIG. 1;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a schematic view taken along line A in FIG. 3;
FIG. 5 is a schematic view of a connecting bolt of the present invention;
fig. 6 is a state diagram of the present invention in use.
In the figure: the novel arc-shaped plate comprises an arc-shaped plate 1, a connecting rod 2, a top plate 3, a through hole 4, a connecting bolt 5, a pull rod 6, a main shaft 7, a wedge 8, a sector plate 9, a front ring sleeve 10, a flange plate 11, a cap 12, a bearing seat 13, a bearing 14, an end cover 15, a sleeve 16, a cover plate 17, a locking nut 18, a key 19, a bolt 20 and a threaded hole 21.
Detailed Description
The utility model is further illustrated by way of example in the following with reference to the accompanying drawings.
Referring to the attached drawings 3-6, the special dismounting tool for the front ring sleeve of the mandrel of the cold-rolled strip steel recoiling machine comprises two arc-shaped plates 1, two connecting rods 2, a top plate 3 and four through holes 4, wherein one ends of the two parallel-arranged connecting rods 2 are respectively fixed on the top plate 3, the other ends of the two parallel-arranged connecting rods 2 are respectively fixedly connected with one arc-shaped plate 1, two through holes 4 are respectively arranged on each arc-shaped plate 1, the radian of each arc-shaped plate 1 is matched with that of the front ring sleeve of the mandrel of the recoiling machine, and the two through holes 4 on each arc-shaped plate 1 are matched with bolt holes on the front ring sleeve of the mandrel of the recoiling machine.
In this embodiment, referring to fig. 3-6, 1 quantity of arc is two, connecting rod 2 is the steel pipe preparation, for two, 3 quantity of roof are 1, arc 1 of welding respectively of one end of two steel pipes, the other end welds on roof 3, circle diameter R1 in the arc 1, excircle diameter R3, be equipped with through-hole 4 on the arc 1, 4 quantity of through-hole on every arc are two, two through-holes 4 are at steel pipe bilateral symmetry arrangement, the positioning circle diameter of through-hole 4 is R2, the contained angle of through-hole 4 location axis is alpha.
As shown in fig. 5, the number of the coupling bolts 5 is 4, and the coupling bolts 5 can be inserted into the through holes 4 in fig. 3.
As shown in fig. 1 and 2, the mandrel of the coiler comprises a pull rod 6, a main shaft 7, a wedge 8, a sector plate 9, a front ring sleeve 10, a flange plate 11, a cap 12, a bearing seat 13, a bearing 14, an end cover 15, a sleeve 16, a cover plate 17, a locking nut 18, a key 19, a bolt 20 and a threaded hole 21. The front ring sleeve 10 is arranged on the main shaft 7 through a bolt 20, and a key 19 is arranged on the main shaft 7 and used for connecting the main shaft 7 and the front ring sleeve 10, so that the circumferential fixing and the torque transmission of the front ring sleeve 10 are realized. The flange plate 11 is arranged on the pull rod 7, the inclined wedge 8 is arranged in a groove of the main shaft 7 and can slide along the axial direction of the main shaft 7, and the inclined wedge 8 is connected with the flange plate 11 through a bolt.
As shown in fig. 2, the front ring sleeve 10 has threaded holes 21 uniformly arranged along the circumference of R2 on one side end surface, the included angle between the axes of two adjacent threaded holes is α, and the threaded holes 21 are used for connecting the front ring sleeve 10 and the cap 12.
The connecting bolt 5 in fig. 5 can be screwed into the threaded hole 21 in fig. 2.
The diameter and the included angle of the axis of the positioning circle of the through hole 4 in the attached drawing 3 are the same as the diameter and the included angle of the axis of the positioning circle of the bolt hole 21 in the attached drawing 2.
The rotation of the mandrel of the recoiling machine in the production process is completed by driving a high-speed shaft of a reduction box through a motor, and transmitting torque to a low-speed shaft (mandrel) by the high-speed shaft. The expansion and contraction of the mandrel are realized by driving a mandrel pull rod 6 to move through the expansion and contraction of a cylinder rod of a rotary hydraulic cylinder, and driving a tapered wedge 8 to axially move along a mandrel main shaft 7 by a flange plate 11 under the pushing of the pull rod 6 so as to drive a sector plate 9 to radially move, thereby realizing the expansion and contraction of the diameter of the mandrel.
As shown in figure 6, when the front ring sleeve 10 of the mandrel is disassembled, after an end cover 15, a bearing 14, a bearing seat 13, a sleeve 16, a cap 12, a cover plate 17, a locking nut 18 and a flange plate 11 are disassembled, the utility model is installed on the end surface of the front ring sleeve 10, a connecting bolt 5 passes through a through hole 4 on an arc plate 1 and is screwed into a threaded hole 21 on the end surface of the front ring sleeve 10, the front ring sleeve 10 and the arc plate 1 are tightly connected together, the center of a rear top plate 3 is superposed with the center of the top of a pull rod 6 after the installation, a rotary hydraulic cylinder is operated to drive the pull rod 6 to extend out, the pull rod 6 is propped against the top plate 3, and the front ring sleeve 10 can be disassembled along with the extension of the pull rod due to the connection of a disassembling device and the front ring sleeve 10.
Claims (3)
1. The utility model provides a special extracting tool of ring cover before cold rolling strip steel coiler dabber which characterized in that: contain two arcs (1), two connecting rods (2), a roof (3) and four through-holes (4), the one end of two parallel arrangement's connecting rod (2) is fixed respectively on roof (3), the other end of two parallel arrangement's connecting rod (2) respectively with an arc (1) fixed connection, be equipped with two through-holes (4) on every arc (1) respectively, the radian of arc (1) and the radian phase-match of coiler mandrel front ring cover, two through-holes (4) on arc (1) and the bolt hole phase-match on the coiler mandrel front ring cover.
2. The special dismounting tool for the front ring sleeve of the mandrel of the cold-rolled strip steel recoiling machine according to claim 1, is characterized in that: two through holes (4) on the arc-shaped plate (1) are symmetrically arranged on two sides of the connecting rod (2).
3. The special dismounting tool for the front ring sleeve of the mandrel of the cold-rolled strip steel recoiling machine according to claim 1, is characterized in that: the top plate (3) is a rectangular plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121402803.1U CN215844957U (en) | 2021-06-23 | 2021-06-23 | Special detaching tool for front ring sleeve of mandrel of cold-rolled strip steel recoiling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121402803.1U CN215844957U (en) | 2021-06-23 | 2021-06-23 | Special detaching tool for front ring sleeve of mandrel of cold-rolled strip steel recoiling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215844957U true CN215844957U (en) | 2022-02-18 |
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ID=80334996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121402803.1U Active CN215844957U (en) | 2021-06-23 | 2021-06-23 | Special detaching tool for front ring sleeve of mandrel of cold-rolled strip steel recoiling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215844957U (en) |
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2021
- 2021-06-23 CN CN202121402803.1U patent/CN215844957U/en active Active
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