CN215402077U

CN215402077U - Uncoiling device

Info

Publication number: CN215402077U
Application number: CN202121707170.5U
Authority: CN
Inventors: 夏双印
Original assignee: Younai Industry Shanghai Co ltd
Current assignee: Younai Industry Shanghai Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-01-04
Anticipated expiration: 2031-07-26

Abstract

The utility model discloses an uncoiling device, which is used for uncoiling a coiled thin sheet and comprises at least two uncoiling frames, wherein a lifting device is arranged above the uncoiling frames, the lifting device comprises a base frame and two groups of lifting components which are connected to the base frame in a sliding manner, the two groups of lifting components run synchronously, and a gripping part is arranged at the bottom of each lifting component; the two grasping pieces on the two groups of lifting assemblies respectively grasp two end parts of a central shaft of the rolled thin sheet, and the lifting device drives the rolled thin sheet to horizontally slide, ascend or descend so as to finish the winding up or the winding down of the rolled thin sheet. The uncoiling device finishes the coiling and uncoiling operations of coiled materials through the lifting device arranged above the uncoiling frame, the lifting device does not occupy extra space, the coiling and uncoiling operations of a plurality of uncoiling frames can be simultaneously met, and the space utilization of the uncoiling operations is more reasonable; and two sets of lifting units of synchronous operation make the operation of rolling up, rolling down of coiled material more steady, high-efficient.

Description

Uncoiling device

Technical Field

The utility model relates to the technical field of thin sheet processing, in particular to an uncoiling device.

Background

Thin sheets, such as paper, nonwoven fabric, various film layers, composite sheets, and the like, are usually wound into a roll for storage and processing, and the roll-shaped thin sheets (hereinafter, collectively referred to as "roll") are unwound by an unwinding device before various processing steps, so that a strip-shaped thin sheet is dispensed. Before uncoiling, coiling is needed, namely, coiled materials are placed on an uncoiling frame; after the uncoiling is finished, the rest part needs to be uncoiled, namely, the rest part is removed from the uncoiling frame.

In the known unwinding devices for the coils, a pair of swing arms is usually mounted on each unwinding frame, and the winding up and winding down operations are performed by the swing arms. When in coiling, firstly, a coiled material to be uncoiled is placed on the swing arm, the swing arm is driven by the driving device to rotate within a limited range, and the coiled material is transferred to the uncoiling frame; when the coiled material is unwound, the swing arm is rotated along the opposite direction, and the coiled material on the swing arm is moved away from the unwinding frame.

The swing arm is usually arranged at the tail end of the uncoiling frame, so that the uncoiling device occupies a large area, and a space for the swing arm to rotate needs to be reserved, so that the space around the uncoiling frame cannot be effectively utilized; in addition, when the coiled material is transferred through the swing arm rotation, the swing arm and the uncoiling frame are shaken to different degrees, so that the upper and lower coils of the coiled material are unstable.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an uncoiling device, which solves the problems that the existing uncoiling device occupies a large space and the coiled material is unstable in coiling up and coiling down.

In order to solve the technical problems, the utility model adopts the technical scheme that: the uncoiling device is used for uncoiling a coiled thin sheet and comprises at least two uncoiling frames, wherein a lifting device is arranged above the uncoiling frames, the lifting device comprises a base frame and two groups of lifting assemblies which are connected to the base frame in a sliding mode, the two groups of lifting assemblies run synchronously, and a gripping part is arranged at the bottom of each lifting assembly;

the two grasping pieces on the two groups of lifting assemblies respectively grasp two end parts of a central shaft of the rolled thin sheet, the lifting device drives the rolled thin sheet to horizontally slide, ascend or descend, and the rolled thin sheet is placed on the uncoiling frame or moved away from the uncoiling frame so as to finish the coiling or uncoiling of the rolled thin sheet.

As an improvement to the above scheme, a horizontal guide rail is arranged on the base frame, a sliding block is connected on the horizontal guide rail in a sliding manner, and the lifting assembly is connected with the sliding block.

As an improvement to the above scheme, a horizontal guide post is arranged on the base frame, the lifting assembly is connected with a guide sleeve, and the guide sleeve is slidably connected to the horizontal guide post.

As an improvement to the above scheme, a horizontal guide groove is arranged on the base frame, the lifting assembly is connected with a guide wheel, and the guide wheel is in sliding fit with the horizontal guide groove.

As an improvement to the above scheme, the lifting assembly comprises a lifting cylinder, a fixed end of the lifting cylinder is slidably connected to the base frame, a movable end of the lifting cylinder is connected to the gripping member, and two lifting cylinders of the two groups of lifting assemblies ascend or descend synchronously.

As an improvement to the above scheme, the two lifting cylinders are connected with the same air inlet pipeline and the same air outlet pipeline.

As an improvement to the above scheme, the lifting assembly comprises a ball screw, the gripping member is connected with a ball nut of the ball screw, a screw of the ball screw is connected to the base frame, and the two groups of ball screws of the two groups of lifting assemblies run synchronously.

As an improvement to the above scheme, the two groups of ball screws are connected with the same motor through a synchronous belt.

As an improvement to the above, the gripping member is provided as a hook.

In an improvement of the above scheme, support seats are arranged on two sides of the unwinding frame, and when the rolled thin sheet is wound up, two end parts of a central shaft of the rolled thin sheet are placed on the support seats.

Has the advantages that: the utility model provides an uncoiling device.A lifting device is arranged above an uncoiling frame, the lifting device comprises two groups of lifting components which are connected on a base frame in a sliding way and holding members connected to the bottoms of the lifting components, the two holding members on the two groups of lifting components can respectively hold two end parts of a central shaft of a coiled thin sheet, and the lifting device can drive the coiled thin sheet to horizontally slide, ascend or descend so as to place the coiled thin sheet on the uncoiling frame or move away from the uncoiling frame to finish the coiling or uncoiling of the coiled thin sheet.

Different from the prior art, the uncoiling device completes the coiling and uncoiling operation of the coiled material through the lifting device arranged above the uncoiling frame, the lifting device does not occupy extra space, the coiling and uncoiling operation of a plurality of uncoiling frames can be simultaneously met, and the space utilization of the uncoiling operation is more reasonable; and two sets of lifting units of synchronous operation make the operation of rolling up, rolling down of coiled material more steady, high-efficient.

Drawings

FIG. 1 is a front view of the unwind in an embodiment of the present invention;

FIG. 2 is a side view of the uncoiling apparatus in an embodiment of the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "left", "right", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the embodiments described below of the present invention are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

The utility model provides an uncoiling device which can be used for uncoiling a coiled thin sheet (such as coiled paper, non-woven fabrics, various film layers, composite sheets and the like) to distribute a strip-shaped thin sheet, and is convenient for post-processing.

Referring to fig. 1 and 2, fig. 1 and 2 respectively show a front view and a side view of an unwinding device according to an embodiment of the present invention, which is used for unwinding a thin sheet material 100 (hereinafter, referred to as a roll 100) in a roll shape, and the unwinding device includes at least two unwinding frames 10. Before uncoiling, coiling is needed, namely, coiled materials are placed on an uncoiling frame 10; after the uncoiling is completed, the remaining part needs to be uncoiled, i.e. the remaining coil is removed from the uncoiling frame 10.

An embodiment of the present invention will be described below by taking two unwinding frames 10 as an example.

A lifting device is arranged above the uncoiling frame 10, the lifting device comprises a base frame 21 and two groups of lifting assemblies 22 which are connected to the base frame 21 in a sliding mode, the two groups of lifting assemblies 22 run synchronously, and gripping members 23 are installed at the bottoms of the lifting assemblies.

In practical application, the two grasping members 23 of the two sets of lifting assemblies 22 respectively grasp two end portions 101 of the central axis of the coil 100, and the two sets of lifting assemblies 22 drive the coil 100 to horizontally slide, ascend or descend on the base frame 21, so as to place the coil 100 on the unwinding frame 10 or remove the coil 100 from the unwinding frame 10, thereby completing the winding up or the winding down of the coil 100.

It is understood that, during the winding up, the two sets of lifting assemblies 22 drive the coil 100 to slide horizontally in a direction close to the unwinding frame 10, and during the winding down, the two sets of lifting assemblies 22 drive the coil 100 to slide horizontally in a direction away from the unwinding frame 10.

When the coiled material is coiled, the two groups of lifting assemblies 22 drive the coiled material 100 to horizontally slide right above the uncoiling frame 10, and then drive the coiled material 100 to descend so as to place the coiled material 100 on the uncoiling frame 10; when the coil is unwound, the two sets of lifting assemblies 22 grasp the two end portions 101 of the central axis of the coil 100 on the unwinding frame 10, drive the coil 100 to rise so as to release the coil 100 from the unwinding frame 10, and then drive the coil 100 to horizontally slide in a direction away from the unwinding frame 10.

In this embodiment, the two sets of lifting assemblies 22 are operated between the two unwinding frames 10 to perform the winding up and winding down operations of the coil 100, and the operation efficiency is high. It is understood that in other embodiments, more than three unwinding frames can be provided.

Compared with the uncoiling device provided with the swing arm in the prior art, the lifting device in the uncoiling device is arranged above the uncoiling frame 10, does not occupy extra space, can simultaneously meet the coiling and uncoiling operations of a plurality of uncoiling frames 10, and enables the space utilization of the uncoiling operation to be more reasonable; the two sets of lift assemblies 22, which are operated synchronously, make the roll-up and roll-down operations of the roll material 100 more stable and efficient.

Furthermore, two sides of the uncoiling frame 10 are provided with supporting seats 11, and when the coiled material 100 is coiled, two end parts 101 of the central shaft of the coiled material 100 are placed on the supporting seats 11 and connected with the supporting seats 11 through bearings.

Further, the gripping members 23 are configured as hooks, and the hooks of the two sets of lifting assemblies 22 can grip the two ends 101 of the central axis of the coil 100 respectively, and the hooks are matched with the central axis of the coil 100 to fix the coil 100 to the lifting device, and it is understood that the gripping members 23 can be configured in other structures.

With continued reference to fig. 1 and 2, in a preferred embodiment, a horizontal guide post 210 is installed on the base frame 21, a guide sleeve 211 is slidably connected on the horizontal guide post 210, and the lifting assembly 22 is connected to the guide sleeve 211, so that the lifting assembly 22 slides horizontally on the horizontal guide post 210 along with the guide sleeve 211 to approach or depart from the unwinding frame 10.

In another embodiment, a horizontal rail may be provided on the base frame 21, a slider may be slidably connected to the horizontal rail, and the lifting unit 22 may be connected to the slider; or, a horizontal guide groove is arranged on the base frame 21, the lifting assembly 22 is connected with a guide wheel, and the guide wheel is in sliding fit with the horizontal guide groove.

With continued reference to fig. 1 and 2, in a preferred embodiment, the lifting assembly 22 includes a lifting cylinder 220, a fixed end of the lifting cylinder 220 is slidably connected to the base frame 21, a movable end of the lifting cylinder 220 is connected to the gripping member 23, and two lifting cylinders 220 of two lifting assemblies 22 are cylinders with the same specification and are synchronously raised or lowered.

Further, the two lifting cylinders 220 are connected to the same air inlet pipe and the same air outlet pipe, so that the air inlet flow rate and the air outlet flow rate of the two lifting cylinders 220 are consistent, and the two lifting cylinders 220 are ensured to ascend or descend synchronously.

In another embodiment, the lifting assemblies 22 comprise ball screws, the gripping members 23 are connected to ball nuts of the ball screws, the ball screws of the ball screws are connected to the base frame 21, and the two ball screws of the two lifting assemblies 22 have the same specification and are operated synchronously.

Furthermore, the two groups of ball screws are connected with the same motor through a synchronous belt, and the screw screws of the two groups of ball screws rotate at the same speed, so that the ball nuts of the two groups of ball screws synchronously ascend or descend.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An unwinding device for unwinding a rolled thin sheet, characterized in that: the automatic unwinding device comprises at least two unwinding frames, wherein a lifting device is arranged above the unwinding frames, the lifting device comprises a base frame and two groups of lifting assemblies which are connected to the base frame in a sliding mode, the two groups of lifting assemblies run synchronously, and a gripping part is arranged at the bottom of each lifting assembly;

2. The unwind of claim 1 wherein: the base frame is provided with a horizontal guide rail, a sliding block is connected to the horizontal guide rail in a sliding mode, and the lifting assembly is connected with the sliding block.

3. The unwind of claim 1 wherein: the base frame is provided with a horizontal guide pillar, the lifting assembly is connected with a guide sleeve, and the guide sleeve is connected to the horizontal guide pillar in a sliding mode.

4. The unwind of claim 1 wherein: the base frame is provided with a horizontal guide groove, the lifting assembly is connected with a guide wheel, and the guide wheel is in sliding fit with the horizontal guide groove.

5. The unwind of claim 1 wherein: the lifting assembly comprises a lifting cylinder, the fixed end of the lifting cylinder is connected to the base frame in a sliding mode, the movable end of the lifting cylinder is connected to the gripping part, and the two lifting cylinders of the two groups of lifting assemblies ascend or descend synchronously.

6. The unwind of claim 5 wherein: the two lifting cylinders are connected with the same air inlet pipeline and the same air outlet pipeline.

7. The unwind of claim 1 wherein: the lifting assembly comprises a ball screw, the gripping part is connected with a ball nut of the ball screw, the ball screw is connected to the base frame, and the two groups of ball screws of the two groups of lifting assemblies run synchronously.

8. The unwind of claim 7 wherein: and the two groups of ball screws are connected with the same motor through synchronous belts.

9. The unwind of claim 1 wherein: the gripping member is configured as a hook.

10. The unwind of claim 1 wherein: and supporting seats are arranged on two sides of the unwinding frame, and when the rolled thin sheet is wound up, two end parts of a central shaft of the rolled thin sheet are placed on the supporting seats.