CN215543833U - Double-expansion type strip uncoiling mechanism - Google Patents
Double-expansion type strip uncoiling mechanism Download PDFInfo
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- CN215543833U CN215543833U CN202121676772.9U CN202121676772U CN215543833U CN 215543833 U CN215543833 U CN 215543833U CN 202121676772 U CN202121676772 U CN 202121676772U CN 215543833 U CN215543833 U CN 215543833U
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Abstract
The utility model discloses a double-expansion type strip uncoiling mechanism which comprises a rack, wherein uncoiling assemblies with consistent structures are oppositely arranged on the left side and the right side of the rack, each uncoiling assembly comprises a main shaft which is arranged in a shell of the rack through a bearing, a pull rod which is coaxially arranged with the main shaft is embedded in the center of the main shaft, the outer end part of each pull rod is connected with an output shaft of an oil cylinder which is fixed on the main shaft, each oil cylinder can drive the corresponding pull rod to axially extend and retract, a wheel disc frame is fixedly arranged on the inner side of the main shaft, at least two expansion heads which can move in the radial direction relative to each other are pivoted on the wheel disc frame through a rotating shaft, a shaft sleeve which is matched with the expansion heads is slidably sleeved on the inner end part of the main shaft, and a locking plate which is used for limiting the shaft sleeve is fixedly connected to the inner end part of the pull rod. Can be applicable to various material rolls to compare in prior art can effectual reduction telescopic frequency of use, and reduced equipment failure rate.
Description
Technical Field
The utility model relates to the technical field of aluminum product production, in particular to a double-collapsible strip uncoiling mechanism.
Background
The traditional aluminum strip uncoiler can be divided into three types, namely a roller type uncoiler, a double-cone-head non-expansion uncoiler and a single-drum cantilever expandable uncoiler. The carrier roller type uncoiler and the double-cone-head non-expansion uncoiler have simple structures, convenient feeding and weak points: the tension uncoiling cannot be carried out, the uncoiling speed is low, the strip is easy to scratch, the double-cone-head non-expansion uncoiler can only be used for a material coil with a sleeve, the applicability is poor, the sleeve is high in the same frequency, and the equipment failure rate is high; the single-reel cantilever expandable and contractible uncoiler can uncoil tension and has high uncoiling speed and disadvantages that: the expansion and contraction amount of the winding drum is small, the rigidity of the winding drum is poor, and the winding speed is low. The shape, the tightness degree and the inner diameter range of partial strip material coils are not ideal due to the previous process, and the requirements of tension uncoiling, large-expansion-contraction-amount coiling and high uncoiling speed of the upper coil cannot be met simultaneously by adopting a traditional uncoiler.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a double-collapsible type strip uncoiling mechanism which can be suitable for various material coils, reduce the use frequency of a sleeve and reduce the equipment failure rate.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a two harmomegathus formula strip decoiling mechanism which the key lies in: comprises a frame, wherein the left side and the right side of the frame are oppositely provided with uncoiling components with consistent structures, each uncoiling component comprises a main shaft which is arranged in a frame shell through a bearing, the center of each main shaft is embedded with a pull rod which is coaxially arranged with the main shaft, the outer end part of the pull rod is connected with an output shaft of an oil cylinder fixed on the main shaft, the oil cylinder can drive the pull rod to extend and retract along the axial direction of the pull rod, a wheel disc frame is fixedly arranged on the inner side of the main shaft, at least two expansion heads which can move in the radial direction relatively are pivoted on the wheel disc frame through a rotating shaft, the inner end part of the main shaft is slidably sleeved with a shaft sleeve matched with the expansion head, the inner end part of the pull rod is fixedly connected with a locking plate used for limiting the shaft sleeve, when the telescopic rod of the oil cylinder stretches, the pull rod is pushed to move, the shaft sleeve is driven to move along the main shaft, and the shaft sleeve drives the expansion and contraction head to perform radial expansion and contraction motion.
Furthermore, the expansion and contraction heads surround the outer wall of the main shaft and are uniformly distributed at intervals in a circumferential annular shape.
Furthermore, an arc-shaped plate is arranged on the outer wall of the expansion and contraction head, and the outer wall of the expansion and contraction head is consistent with the inner wall of the arc-shaped plate in shape.
Furthermore, the inner wall of the expansion head is an inclined plane, and the outer wall of the shaft sleeve is matched with the expansion head.
Furthermore, a positioning convex ring is formed at the inner end of the shaft sleeve, and an annular step matched with the positioning convex ring is formed on the outer side surface of the locking plate.
Furthermore, a rotary joint is connected to the outer end of the main shaft and is used for connecting with a rotary driving device.
Furthermore, the wheel disc frame is provided with a mounting hole, and the outer end part of the expansion head penetrates through the mounting hole and is connected with the wheel disc frame through a rotating shaft.
The utility model has the following remarkable effects: subassembly is opened a book to the collapsible formula of both sides when the strip is opened a book, and the telescopic link through the hydro-cylinder promotes the pull rod and removes to drive the axle sleeve and remove along the main shaft, make axle sleeve drive the head that contracts and carry out radial harmomegathus motion, realize the fixed of automatic strip material book and loose the putting through hydraulic power, efficient, effectual can be applicable to various materials and roll up, and compare in prior art can effectual reduction telescopic use frequency, and reduced equipment failure rate.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the unwinding assembly S.
Detailed Description
The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.
As shown in fig. 1 and 2, a double-expansion type strip uncoiling mechanism comprises a frame 1, uncoiling assemblies S with consistent structures are oppositely arranged on the left side and the right side of the frame 1, each uncoiling assembly S comprises a main shaft 2 which is arranged in a shell of the frame 1 through a bearing 3, a pull rod 5 which is coaxially arranged with the main shaft 2 is embedded in the center of the main shaft 2, the outer end of the pull rod 5 is connected with an output shaft of an oil cylinder 6 which is fixed on the main shaft 2, the oil cylinder 6 can drive the pull rod 5 to expand and contract along the axial direction of the pull rod, the outer end of the main shaft 2 is connected with a rotary joint 4 through the oil cylinder 6, the rotary joint 4 is used for being connected with a rotary driving device, a wheel disc frame 7 is fixedly arranged on the inner side of the main shaft 2, four expansion heads 9 which can move in the radial direction relatively are pivoted on the wheel disc frame 7 through rotating shafts 8, and a shaft sleeve 10 which is slidably sleeved on the inner end of the main shaft frame 2 and is matched with the expansion heads 9, the inner end part of the pull rod 5 is fixedly connected with a locking plate 11 used for limiting the shaft sleeve 10, when the telescopic rod of the oil cylinder 6 stretches, the pull rod 5 is pushed to move, the shaft sleeve 10 is driven to move along the main shaft 2, and the shaft sleeve 10 drives the expansion head 9 to perform radial expansion and contraction movement.
In this example, the expansion heads 9 surround the outer wall of the main shaft 2 and are uniformly distributed at intervals in a circumferential ring shape; an arc-shaped plate 12 is arranged on the outer wall of the expansion and contraction head 9, and the outer wall of the expansion and contraction head 9 is consistent with the inner wall of the arc-shaped plate 12 in shape.
As can be seen from fig. 2, the inner wall of the expansion and contraction head 9 is an inclined surface, the outer wall of the shaft sleeve 10 is adapted to the expansion and contraction head 9, and the expansion and contraction head 9 and the shaft sleeve 10 are matched through a conical inclined surface, so that the expansion and contraction head 9 can be driven by the shaft sleeve 10 to expand and contract along the radial direction.
Furthermore, a positioning convex ring 13 is formed at the inner end of the shaft sleeve 10, and an annular step 14 matched with the positioning convex ring 13 is formed on the outer side surface of the locking plate.
In this example, the expansion and contraction head 9 is installed in a manner that a mounting hole 15 is formed in the wheel disc frame 7, and the outer end portion of the expansion and contraction head 9 passes through the mounting hole 15 and is connected with the wheel disc frame 7 through the rotating shaft 8.
When the strip is opened a book, subassembly S is opened a book to the collapsible formula of both sides, the telescopic link through hydro-cylinder 6 promotes pull rod 5 and removes, thereby drive axle sleeve 10 and remove along main shaft 2, make axle sleeve 10 drive expand shrink head 9 and carry out radial expansion and contraction motion, realize the fixed of automatic strip material book and loose through hydraulic power and put, efficient, effectual, can be applicable to various material and roll up, and compare in prior art can effectual reduction telescopic use frequency, and reduced equipment failure rate.
The technical solution provided by the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a two harmomegathus formula strip decoiling mechanism, includes the frame, its characterized in that: the left side and the right side of the rack are oppositely provided with uncoiling components with consistent structures, each uncoiling component comprises a main shaft which is arranged in the shell of the rack through a bearing, the center of each main shaft is embedded with a pull rod which is coaxially arranged with the main shaft, the outer end part of the pull rod is connected with an output shaft of an oil cylinder fixed on the main shaft, the oil cylinder can drive the pull rod to extend and retract along the axial direction of the pull rod, a wheel disc frame is fixedly arranged on the inner side of the main shaft, at least two expansion heads which can move in the radial direction relatively are pivoted on the wheel disc frame through a rotating shaft, the inner end part of the main shaft is slidably sleeved with a shaft sleeve matched with the expansion head, the inner end part of the pull rod is fixedly connected with a locking plate used for limiting the shaft sleeve, when the telescopic rod of the oil cylinder stretches, the pull rod is pushed to move, the shaft sleeve is driven to move along the main shaft, and the shaft sleeve drives the expansion and contraction head to perform radial expansion and contraction motion.
2. The double-collapsible strip uncoiling mechanism according to claim 1, wherein: the expansion heads surround the outer wall of the main shaft and are uniformly distributed at intervals in a circumferential annular shape.
3. The double-collapsible strip uncoiling mechanism according to claim 2, wherein: an arc-shaped plate is arranged on the outer wall of the expansion and contraction head, and the shape of the outer wall of the expansion and contraction head is consistent with that of the inner wall of the arc-shaped plate.
4. The double-collapsible strip uncoiling mechanism according to claim 1, wherein: the inner wall of the expansion head is an inclined plane, and the outer wall of the shaft sleeve is matched with the expansion head.
5. The double-collapsible strip uncoiling mechanism according to claim 1, wherein: the inner end of the shaft sleeve is provided with a positioning convex ring, and the outer side surface of the locking plate is provided with an annular step matched with the positioning convex ring.
6. The double-collapsible strip uncoiling mechanism according to claim 1, wherein: and a rotary joint is connected to the outer end part of the main shaft and is used for being connected with a rotary driving device.
7. The double-collapsible strip uncoiling mechanism according to claim 1, wherein: the wheel disc frame is provided with a mounting hole, and the outer end part of the expansion head penetrates through the mounting hole to be connected with the wheel disc frame through a rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121676772.9U CN215543833U (en) | 2021-07-22 | 2021-07-22 | Double-expansion type strip uncoiling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121676772.9U CN215543833U (en) | 2021-07-22 | 2021-07-22 | Double-expansion type strip uncoiling mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN215543833U true CN215543833U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121676772.9U Active CN215543833U (en) | 2021-07-22 | 2021-07-22 | Double-expansion type strip uncoiling mechanism |
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| CN (1) | CN215543833U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115156334A (en) * | 2022-07-08 | 2022-10-11 | 智腾自动化科技河北有限公司 | Automatic power expansion and contraction uncoiler |
-
2021
- 2021-07-22 CN CN202121676772.9U patent/CN215543833U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115156334A (en) * | 2022-07-08 | 2022-10-11 | 智腾自动化科技河北有限公司 | Automatic power expansion and contraction uncoiler |
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