Crank limiting and stopping device of roller winding and unwinding device
By installing a rocker limit stop device on the roller of the cigarette production equipment, the problem of plastic film falling into the wire mixing cabinet due to gravity is solved, and the quality of tobacco wire and the safe operation of the equipment is achieved.
Patent Information
- Application Number
- CN202421348633.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-13
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-06-13
AI Technical Summary
During the cigarette production process, the plastic film wrapped on the roller falls into the wire mixing cabinet due to gravity, resulting in plastic film fragments being mixed into the tobacco, which poses a quality hazard.
A roller reel holder limit stop device is designed. By setting a claw support and limit claw on the equipment wall panel, and using lateral locking bolts to achieve limit locking of the claw, preventing the roller from rotating due to the gravity of the plastic film.
It effectively prevents the plastic film from falling into the wire mixing cabinet, eliminates the quality potential of mixing tobacco and plastic film, and avoids the bending and deformation of the roller caused by excessive pulling force of the plastic film, ensuring the safe operation of the equipment.
Smart Images
Figure CN222593111U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cigarette production equipment, in particular to a limit stop device for a crank handle of a roller winder and unwinder. Background Art
[0002] When the workshop stops production for a break or encounters a long maintenance time, in order to prevent the tobacco from losing moisture in the mixing cabinet, a layer of plastic film is generally covered on the tobacco to keep the moisture of the tobacco. The plastic film is wound on the roller. When there is a production task or the maintenance is completed, one end of the plastic film is spread flat on the roller of the winder, and then the handle of the roller is turned to quickly retract the plastic film. As the winding radius of the plastic film on the winder roller continues to increase, the plastic film wrapped on it becomes heavier and heavier. Under the action of gravity, the outer plastic film will fall into the mixing cabinet. When there is a cloth task, as the height of the tobacco cloth increases, the tobacco will press the plastic film. When the bottom belt runs to perform the discharge task, the tobacco will press the plastic film forward. The plastic film may be stirred into the feeding roller and become fragments and mixed into the tobacco, which poses certain quality risks. Utility Model Content
[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and to provide a limit stop device for the crank handle of a roller winder, so as to achieve stable limiting of the crank handle of the roller to prevent the roller from rotating due to the gravity of the plastic film, thereby reducing the risk of the plastic film wrapped around the roller falling into the mixing cabinet and causing plastic film fragments to be mixed in the tobacco.
[0004] The utility model is realized by the following technical solutions:
[0005] The limit stop device of a roller winder crank handle comprises a roller, the shaft head of the roller is rotatably mounted on the equipment wall panel, and the crank is fixedly mounted on the shaft head of the roller. The equipment wall panel is also provided with a limit stop device for limiting the crank handle. The limit stop device comprises a limit claw and a claw support. The claw support is fixed on the equipment wall panel. One end of the limit claw is rotatably mounted on the claw support and the other end is a free end. The limit claw can flip in a vertical plane, and the limit position of the limit claw flipping downward is limited by the limit plate at the bottom of the claw support. When the limit claw flips downward to a horizontal state, it just contacts the limit plate of the claw support. A slot for the crank handle to be embedded is opened on one side of the limit claw, and a lateral locking screw hole is opened on the free end of the limit claw. The lateral locking bolt is screwed into the lateral locking screw hole of the limit claw and pressed against the crank handle to achieve locking of the crank handle.
[0006] As a preferred solution of the above-mentioned limit stop device, the claw support is provided with a receiving groove, and when the limit claw is flipped upward to a vertical state, the limit claw is just located in the receiving groove of the claw support.
[0007] As a preferred embodiment of the above-mentioned limit stop device, the limit stop device is arranged below the shaft head of the roller.
[0008] As a preferred solution of the above-mentioned limit stop device, one end of the crank is fixedly sleeved on the shaft head of the roller, and the other end is provided with a crank handle.
[0009] Compared with the prior art, the utility model has the following advantages:
[0010] The utility model provides a limit stop device for the crank handle of a roller winder and unwinder, which achieves limit locking of the crank handle by arranging a claw support on the wall panel of the equipment and rotatably arranging a limit claw on the claw support, thereby effectively preventing the outer plastic film wrapped on the roller from falling into the mixing cabinet under the action of gravity and eliminating the quality risk of mixing of tobacco shreds and plastic film; at the same time, it avoids the bending and deformation of the roller of the winder and unwinder due to excessive pulling force of the plastic film, thereby ensuring the safe operation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a structural schematic diagram of the utility model.
[0012] Numbers in the figure: 1 roller; 2 equipment wall panel; 3 bearing; 4 claw support; 5 crank; 6 lateral locking bolt; 7 crank handle; 8 accommodating groove; 9 limit claw; 10 slot. DETAILED DESCRIPTION
[0013] The following is a detailed description of an embodiment of the utility model. This embodiment is implemented on the premise of the technical solution of the utility model, and a detailed implementation method and a specific operation process are given, but the protection scope of the utility model is not limited to the following embodiment.
[0014] See also Figure 1The present embodiment discloses a limit stop device for the crank handle of a roller winder, comprising a roller 1, the shaft head of the roller 1 being rotatably mounted on the equipment wall panel 2 via a bearing 3, a crank 5 being fixedly mounted on the shaft head of the roller 1, one end of the crank 5 being fixedly sleeved on the shaft head of the roller 1, and a crank handle 7 being provided at the other end. A limit stop device for limiting the crank 5 is also provided on the equipment wall panel 2, and the limit stop device is arranged below the shaft head of the roller 1. The limit stop device includes a limit claw 9 and a claw support 4. The claw support 4 is fixed on the equipment wall panel 2. One end of the limit claw 9 is rotatably installed on the claw support 4 and the other end is a free end. The limit claw 9 can be hinged on the claw support 4. The limit claw 9 can flip in the vertical plane, and the limit position of the limit claw 9 for flipping downward is limited by the limit plate at the bottom of the claw support 4. When the limit claw 9 flips downward to a horizontal state, it just contacts the limit plate of the claw support 4. A slot 10 for the crank 5 to be embedded is opened on one side of the limit claw 9. A lateral locking screw hole is opened at the free end of the limit claw 9. The lateral locking bolt 6 is screwed into the lateral locking screw hole of the limit claw 9 and pressed against the crank 5 to achieve locking of the crank 5.
[0015] The clamping claw support 4 is provided with an accommodating groove 8 . When the limiting clamping claw 9 is flipped upward to be in a vertical state, the limiting clamping claw 9 is just located in the accommodating groove 8 of the clamping claw support 4 .
[0016] When it is necessary to unfold the plastic film, first loosen the lateral locking bolt 6, use the crank handle 7 to rotate the crank handle 5 to a certain angle to make it leave the slot 10 of the limiting claw 9, then flip the limiting claw 9 upward, and press the limiting claw 9 into the accommodating groove 8 of the claw support 4. The limiting claw 9 and the accommodating groove 8 of the claw support 4 are tightly fitted, so that the limiting claw 9 can be received in the accommodating groove 8 of the claw support 4, and then the crank handle 7 can be turned to realize the unwinding of the plastic film.
[0017] When the plastic film is unwound, the limiting claw 9 is pulled down from the accommodating groove 8 of the claw support 4, and the limiting claw 9 is flipped downward to make it conflict with the limiting plate of the claw support 4, and then the crank 5 is inserted into the groove 10 of the limiting claw 9, and the lateral locking bolt 6 is tightened to lock the crank 5, thereby locking the circumferential position of the roller 1, achieving a stable locking of the winder, preventing the plastic film from falling into the mixing cabinet under the action of gravity, thereby eliminating the risk of it being mixed into the mixing cabinet feed roller.
[0018] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A roller winder crank limit stop device, comprising a roller, the shaft head of the roller is rotatably mounted on the equipment wall plate, and a crank is fixedly mounted on the shaft head of the roller, characterized in that: The equipment wall panel is also provided with a limit stop device for limiting the crank handle, the limit stop device includes a limit claw and a claw support, the claw support is fixed on the equipment wall panel, one end of the limit claw is rotatably mounted on the claw support, and the other end is a free end, the limit claw can flip in the vertical plane, and the limit position of the limit claw flipping downward is limited by the limit plate at the bottom of the claw support, when the limit claw flips downward to a horizontal state, it just conflicts with the limit plate of the claw support, a slot for the crank handle to be embedded is opened on one side of the limit claw, and a lateral locking screw hole is opened at the free end of the limit claw, which is screwed into the lateral locking screw hole of the limit claw and pressed against the crank handle by the lateral locking bolt, so as to achieve the locking of the crank handle.
2. A roller winder handle limit stop device as claimed in claim 1, characterized in that: The clamping claw support is provided with an accommodating groove. When the limiting clamping claw is flipped upward to a vertical state, the limiting clamping claw is just located in the accommodating groove of the clamping claw support.
3. A roller winder handle limit stop device as claimed in claim 1, characterized in that: The position limiting stop device is arranged below the shaft head of the roller.
4. A roller winder handle limit stop device as claimed in claim 1, characterized in that: One end of the crank is fixedly sleeved on the shaft head of the roller, and the other end is provided with a crank handle.