Automatic tobacco clamp lifting device for tobacco curing barn
By designing an operating track and lifting mechanism inside the tobacco curing barn, combined with a mobile transition frame, the automated vertical lifting and horizontal conveying of tobacco clips were achieved, solving the problem of conveying tobacco clips in confined spaces and reducing equipment space requirements and manual labor intensity.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LUOYANG YITONG ELECTRICAL SCI & TECH
- Filing Date
- 2025-07-03
- Publication Date
- 2026-05-19
AI Technical Summary
Existing tobacco clamp conveying devices are difficult to deploy in confined spaces, especially since lateral movement or tilting requires a large operating space, making them difficult to apply in some curing barns.
An automatic tobacco clamp lifting device for tobacco curing barns was designed, including a running track, a tobacco hanging lifting frame, a lifting mechanism, and a moving transition frame. By combining vertical lifting with horizontal conveying, the space requirement is reduced, and a ball screw module and sprocket transmission system are used to realize the mechanized lifting and lowering of the tobacco clamps.
It enables automated delivery of tobacco clips in confined spaces, reduces the space requirements of the curing barn for equipment deployment, reduces the intensity of manual handling, and provides seamless equipment operation.
Smart Images

Figure CN224250665U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tobacco machinery and equipment technology, and in particular to an automatic tobacco clamp lifting device for tobacco curing barns. Background Technology
[0002] With the rapid development of modern tobacco agriculture, the curing process has become crucial, and the widespread use of intensive curing barns represents a significant advancement in tobacco curing equipment in China. The method of tobacco curing involves clamping the tobacco leaves and hanging them inside the curing barn.
[0003] Our patent CN218987897U discloses a tobacco clip conveying system for tobacco curing barns, including a conveying device and a lifting vehicle. This system can convey tobacco clips by tilting laterally. However, in practical applications, especially in space-constrained scenarios, the conveying mechanism (parts requiring lateral movement or tilting) often requires a large operating space to operate effectively. This space requirement contradicts the inherent space limitations of older curing barns, making it difficult to deploy and apply existing conveying solutions in some small curing barns. Utility Model Content
[0004] In view of this, the purpose of this utility model is to provide an automatic tobacco clamp lifting device for tobacco curing rooms.
[0005] The technical solution adopted by this utility model to solve the above-mentioned technical problems is: an automatic tobacco clamp lifting device for a tobacco curing barn, including a running track set in the tobacco curing barn, a tobacco hanging lifting frame movably mounted on the running track, a horizontal working platform mounted on the tobacco hanging lifting frame, a vertical ladder mounted on the tobacco hanging lifting frame at the front end of the working platform, lifting mechanisms mounted on the tobacco hanging lifting frame on both sides of the working platform, two tobacco clamp supports mounted opposite each other on the lifting mechanisms, the two tobacco clamp supports are used to support and place the tobacco clamps, and the lifting mechanisms are used to simultaneously drive the two tobacco clamp supports to move up and down.
[0006] Furthermore, there are multiple running tracks, which are arranged in parallel and in pairs, allowing the cigarette hanging lifting frame to move on any pair of running tracks.
[0007] Furthermore, the cigarette hanging lifting frame includes a drive shaft and a driven shaft rotatably mounted at the bottom. The drive shaft has drive wheels at both ends, and the driven shaft has driven wheels at both ends. The cigarette hanging lifting frame is also equipped with a travel motor. The output shaft of the travel motor is equipped with a drive sprocket, and the drive shaft is equipped with a driven sprocket connected to the drive sprocket by a chain. The movement of the cigarette hanging lifting frame on the running track is achieved by the motor drive.
[0008] Furthermore, the lifting mechanism includes two vertical lifting modules arranged parallel to each other in the vertical direction, and the cigarette holder is arranged at the lifting end of the vertical lifting module.
[0009] Furthermore, the vertical lifting module is a ball screw module.
[0010] Furthermore, a movable transition frame is provided at one end of the running track near the threshold of the tobacco curing barn. The movable transition frame can be movably set outside the tobacco curing barn. Multiple support wheels are evenly distributed at the lower end, and two parallel fixed tracks are provided on the upper end. The tobacco hanging lifting frame can move on the fixed tracks.
[0011] Furthermore, the upper end of the fixed track is flush with the upper end of the running track.
[0012] Furthermore, the support wheel is a caster with a brake.
[0013] The beneficial effects of this application are as follows: 1. By setting up a structure in which the tobacco hanging lifting frame moves on the running track, and in conjunction with the lifting mechanism, the vertical lifting and horizontal conveying functions are integrated into one, eliminating the need for additional horizontal conveying space, occupying little space, and significantly reducing the space requirements of the equipment deployment in the curing barn, which is especially suitable for the narrow space of old curing barns.
[0014] 2. By setting up a mobile transition frame and a fixed track, a seamless connection between the inside and outside of the baking room is achieved, avoiding the need for traditional conveying equipment to occupy transition space at the threshold.
[0015] 3. The dual-lifting mechanism synchronously drives the cigarette holder, combined with a vertical lifting module, to achieve mechanized lifting of the cigarette holder. The walking motor and sprocket transmission system provide stable horizontal movement power, replacing manual handling of the cigarette holder. This significantly reduces the intensity of manual handling and solves the pain point of moving heavy-duty cigarette holders in confined spaces. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of this utility model.
[0017] Figure 2 This is a schematic diagram of the lifting mechanism in this utility model.
[0018] Figure 3 This is a schematic diagram of the structure of the movable transition frame in this utility model.
[0019] The diagram shows the following markings: 1. Working platform, 2. Vertical lifting module, 3. Ladder, 4. Electrical control box, 5. Drive wheel, 6. Running track, 7. Driven wheel, 8. Fixed track, 9. Moving transition frame, 10. Travel motor, 11. Chain, 12. Cigarette holder, 13. Support wheel. Detailed Implementation
[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that, in the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0021] Please see Figure 1-3 This utility model provides an automatic tobacco clamp lifting device for a tobacco curing barn, including a running track 6 installed inside the tobacco curing barn, a tobacco hanging lifting frame movably mounted on the running track 6, a horizontal working platform 1 mounted on the tobacco hanging lifting frame, a vertical ladder 3 mounted on the tobacco hanging lifting frame at the front end of the working platform 1, lifting mechanisms mounted on the tobacco hanging lifting frame on both sides of the working platform 1, and two tobacco clamp supports 12 mounted opposite each other on the lifting mechanisms. The two tobacco clamp supports 12 are used to support and place the tobacco clamps, and the lifting mechanisms are used to simultaneously drive the two tobacco clamp supports 12 to move up and down.
[0022] The device comprises multiple running tracks 6, arranged in parallel and in pairs, allowing the tobacco hanging lifting frame to move along any pair of running tracks 6. This enhances the flexibility and adaptability of the device. Specifically, the tobacco curing barn in this application has two running tracks 6.
[0023] Specifically, the cigarette hanging lifting frame includes a drive shaft and a driven shaft rotatably mounted at the bottom of the frame. The drive shaft has drive wheels 5 at both ends, and the driven shaft has driven wheels 7 at both ends. The lifting frame also has a travel motor 10. The output shaft of the travel motor 10 has a drive sprocket, and the drive shaft has a driven sprocket connected to the drive sprocket via a chain 11. The travel motor 10 drives the drive sprocket to rotate, which in turn drives the driven sprocket to rotate under the action of the chain 11, thereby enabling the cigarette hanging lifting frame to move on the running track 6.
[0024] Combination Figure 1 and Figure 2As shown, the lifting mechanism includes two vertically parallel lifting modules 2, with cigarette holders 12 positioned at the lifting ends of the vertical lifting modules 2. The lifting ends of the vertical lifting modules 2 have a lowest point and a highest point. When the lifting end of the vertical lifting module 2 is at its highest point, its height is higher than the height of the working platform 1. The vertical lifting module 2 is a ball screw module. That is, the vertical lifting module 2 can be a ball screw module driven by a motor, a synchronous belt assembly driven by a motor, or other moving modules. The lifting ends of the two vertical lifting modules 2 on the same side move synchronously, causing the two cigarette holders 12 to rise and fall synchronously.
[0025] More specifically, a movable transition frame 9 is provided at the end of the running track 6 near the threshold of the tobacco curing barn. The movable transition frame 9 is movably positioned outside the tobacco curing barn. Multiple support wheels 13 are evenly distributed at the lower end of the movable transition frame 9. Two fixed tracks 8 are arranged in parallel on the movable transition frame 9, and the tobacco hanging lifting frame can move on the two fixed tracks 8. The fixed tracks 8 are flush with the upper end of the running track 6, which facilitates the entry and exit of the tobacco hanging lifting frame from the tobacco curing barn.
[0026] The support wheel 13 is a caster with a brake. The caster with a brake can be an existing caster with a brake lock, such as the caster in the existing patent CN216507732U.
[0027] In addition, it also includes an electrical control box 4 located on one side of the cigarette hanging lifting frame. The electrical control box contains a control unit, which is connected to the vertical lifting module 2 and the walking motor 10 respectively. The control unit includes a PLC controller.
[0028] The working principle of this application is as follows: The running track 6 is pre-laid on the floor inside the tobacco curing barn, and its height is higher than the threshold of the tobacco curing barn. The tobacco hanging lifting frame stops on the fixed track 8 of the movable transition frame 9. The transition frame 9 is pushed to the entrance of the tobacco curing barn, so that the fixed track 8 on the movable transition frame 9 is fully connected with the running track 6. The walking motor 10 drives the tobacco hanging lifting frame into the innermost part of the tobacco curing barn. The tobacco hanging operator climbs up the ladder 3 to the work platform 1. The tobacco weaving operator below places the woven tobacco clips on two tobacco clip holders 12. The lifting mechanism drives the two tobacco clip holders 12 to rise to the top of the lifting mechanism. The tobacco hanging operator on the work platform 1 removes the tobacco clips and hangs them on the second or third layer of angle iron of the tobacco curing rack. After the tobacco clips are removed, the tobacco clip holders 12 are lowered to the bottom to facilitate the placement of a tobacco clip. The tobacco hanging lifting frame moves towards the entrance of the tobacco curing barn after being filled with tobacco clips, leaving a section open to continue hanging tobacco until the tobacco curing rack is full of tobacco clips. The tobacco hanging lifting frame then retracts to the transition frame. The transition frame, along with the tobacco hanging and lifting device, is moved simultaneously to another tobacco curing barn. The above steps are repeated until the tobacco curing racks in the next curing barn are filled with tobacco clips.
[0029] This application uses a commonly used tobacco curing rack. The curing rack includes two opposing support frames, each with multiple angle irons vertically aligned. Two angle irons at the same horizontal level are used to hang tobacco clips. Each support frame has three angle irons spaced apart vertically. When there are multiple rows of curing racks in the curing barn, each curing rack corresponds to two running tracks 6, located between the two support frames of the curing rack.
[0030] It should be noted that the above embodiments are only used to illustrate the present utility model, but the present utility model is not limited to the above embodiments. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall fall within the protection scope of the present utility model.
Claims
1. An automatic tobacco clamp lifting device for a tobacco curing barn, comprising a running track (6) disposed within the tobacco curing barn, wherein a tobacco lifting frame is movably mounted on the running track (6), characterized in that, A working platform (1) is horizontally provided on the cigarette hanging lifting frame. A ladder (3) is vertically provided at the front end of the working platform (1) on the cigarette hanging lifting frame. Lifting mechanisms are provided on both sides of the working platform (1) on the cigarette hanging lifting frame. Two cigarette clips (12) are provided opposite to each other on the lifting mechanism. The two cigarette clips (12) are used to support the placement of cigarette clips. The lifting mechanism is used to drive the two cigarette clips (12) to move up and down at the same time.
2. The automatic tobacco clamp lifting device for a tobacco curing barn according to claim 1, characterized in that, There are multiple running tracks (6), which are arranged in parallel and in pairs. The cigarette hanging lifting frame can move on any of the running tracks (6).
3. The automatic tobacco clamp lifting device for a tobacco curing barn according to claim 1, characterized in that, The cigarette hanging frame includes a drive shaft and a driven shaft rotatably mounted at the bottom of the cigarette hanging frame. The drive shaft is provided with drive wheels (5) at both ends, and the driven shaft is provided with driven wheels (7) at both ends. The cigarette hanging frame is also provided with a walking motor (10). The output shaft of the walking motor (10) is provided with a drive sprocket, and the drive shaft is provided with a driven sprocket connected to the drive sprocket via a chain (11).
4. The automatic tobacco clamp lifting device for a tobacco curing barn according to claim 1, characterized in that, The lifting mechanism includes two vertical lifting modules (2) arranged in parallel along the vertical direction, and the cigarette holder (12) is set at the lifting end of the vertical lifting module (2).
5. The automatic tobacco clamp lifting device for a tobacco curing barn according to claim 4, characterized in that, The vertical lifting module (2) is a ball screw module.
6. The automatic tobacco clamp lifting device for a tobacco curing barn according to claim 1, characterized in that, The running track (6) is provided with a movable transition frame (9) at one end near the threshold of the tobacco curing room. The movable transition frame (9) can be moved outside the tobacco curing room. Multiple support wheels (13) are evenly distributed at the lower end of the movable transition frame (9). Two fixed tracks (8) are provided in parallel on the movable transition frame (9). The tobacco hanging lifting frame can move on the two fixed tracks (8).
7. The automatic tobacco clamp lifting device for a tobacco curing barn according to claim 6, characterized in that, The fixed track (8) is flush with the upper end of the running track (6).
8. The automatic tobacco clamp lifting device for a tobacco curing barn according to claim 6, characterized in that, The support wheel (13) is a caster with a brake.