Automatic tobacco conveying device of tobacco curing barn

Abstract

The automatic tobacco conveying device of the tobacco curing barn comprises a first track, a vehicle body, a lifting unit and a lengthening unit, and the vehicle body walks on the first track; the lifting unit is arranged on the vehicle body and drives the lengthening unit to ascend and descend, the lengthening unit comprises a connecting part, a side rod, a bearing plate and a telescopic unit, the side rod is vertically arranged, the end of the connecting rod is connected to the side rod, the middle of the connecting rod is hinged to the connecting part, and the telescopic unit drives one end of the connecting rod to ascend and the other end of the connecting rod to descend; the bearing plate is connected to the side rods, and the length direction of the bearing plate is the same as that of the trolley body. According to the automatic tobacco conveying device of the tobacco curing barn, the tobacco clamps can be automatically placed on the tobacco curing frame, the scheme that the lengths of the lengthening units are changed is ingeniously utilized in the whole process, design is ingenious, the tobacco clamps can smoothly enter the tobacco curing frame through the lengthening units, the structure is simple, implementation is convenient, meanwhile, the whole device is high in stability, and production efficiency is high. And damage is not prone to occurring, and the bearing capacity is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of flue-cured tobacco, and particularly relates to an automatic cigarette feeding device for a flue-cured tobacco barn. Background Art

[0002] The picked tobacco leaves need to be placed in a flue-cured tobacco barn for baking. During the baking process, in order to ensure uniform heating and improve the heating efficiency, the tobacco leaves to be baked are often clamped on a tobacco clip. A common tobacco clip is a comb-type tobacco clip. Then, the tobacco clips full of tobacco leaves are placed on a flue-cured tobacco rack.

[0003] In the prior art, placing the tobacco clips full of tobacco leaves on the flue-cured tobacco rack often needs to be completed manually. When performing this process manually, the labor intensity is high, and the flue-cured tobacco rack is relatively high. Workers need to stand on a ladder, which is not safe when climbing up and down.

[0004] To solve the above technical problems, an automatic tobacco clip placing device has emerged in the prior art. The patent document with the publication number CN220756539U discloses a tobacco clip hanging device for a flue-cured tobacco barn, which includes a hanging machine and flue-cured tobacco barn fixing parts respectively arranged at the ends of the tobacco hanging angle irons at different heights; the hanging machine includes a fixed rack and a movable rack, the movable rack is rotatably connected to the fixed rack, a hydraulic push rod for driving the movable bracket to rotate is arranged on the fixed rack, and four casters arranged in a rectangular pattern are arranged at the bottom of the fixed rack; a main beam is horizontally arranged on the movable rack, a pushing chain is arranged on the main beam, a pushing chain motor for driving the pushing chain to operate is arranged on the movable rack, and a flue-cured tobacco barn connection end matched with the flue-cured tobacco barn fixing part is arranged at one end of the main beam close to the flue-cured tobacco barn.

[0005] Although this solution places the prepared tobacco clips on the pushing chain and sends them onto the tobacco hanging angle iron, and the tobacco clips entering the tobacco hanging angle iron push the previous tobacco clip by the later entering tobacco clip until a layer is full, and there is no need for manual movement for each layer of hanging, saving labor; however, when placing tobacco clips on the same layer of the flue-cured tobacco rack, collisions are likely to occur, and the tobacco clips are likely to fall off during the collision; in addition, when using this device, the later tobacco clip needs to push the previous tobacco clip to slide forward to complete the placement of the later tobacco clip, and the positioning is not accurate enough, and the situation where tobacco clips are stacked on top of each other is likely to occur. Summary of the Utility Model

[0006] The utility model aims to provide an automatic cigarette feeding device for a flue-cured tobacco barn with a simple structure and good use effect.

[0007] To solve the above technical problems, the utility model provides the following technical solution: An automatic cigarette feeding device for a flue-cured tobacco barn, which includes a vehicle body, a lifting unit, and a variable-length unit. Walking wheels are arranged at the bottom of the vehicle body, and a walking motor is arranged on the vehicle body. The walking motor drives the movement of the walking wheels;

[0008] The lifting unit is arranged on the vehicle body, and the lifting unit drives the variable-length unit to lift and lower.

[0009] The variable-length unit includes a connecting part, side rods, a receiving plate, and a telescopic unit. The side rods are arranged vertically. The end of the connecting rod is connected to the side rod, and the middle of the connecting rod is hinged to the connecting part.

[0010] The telescopic unit drives one end of the connecting rod to lift and the other end to lower.

[0011] The receiving plate is connected to the side rod, and the length direction of the receiving plate is the same as the length direction of the vehicle body.

[0012] The number of receiving plates is two, and the number of side rods is also two. The two side rods are the first side rod and the second side rod respectively. The connecting rod is connected between the first side rod and the second side rod, and both ends of the connecting rod are hinged to the first side rod and the second side rod respectively.

[0013] The upper surface of the receiving plate is provided with a vertically arranged stop rod.

[0014] The number of connecting rods is also two. The two connecting rods are the first connecting rod and the second connecting rod located below the first connecting rod respectively. The first connecting rod and the second connecting rod are parallel to each other.

[0015] The connecting part includes a connecting base and a longitudinal beam connected to the connecting base. The longitudinal beam is arranged vertically. The middle parts of the first connecting rod and the second connecting rod are both hinged to the longitudinal beam. The telescopic unit includes a first telescopic rod installed on the connecting part, and the telescopic end of the first telescopic rod is connected to a position deviating from the center in the length direction of the first connecting rod.

[0016] The connecting part further includes a mounting plate connected to the longitudinal beam. The first telescopic rod is installed on the mounting plate, and the telescopic end of the first telescopic rod is connected to the first connecting rod.

[0017] A slide rail is arranged on the connecting base. The longitudinal beam and the mounting plate are both slidably arranged on the slide rail. A second telescopic rod is connected between the longitudinal beam and the connecting base.

[0018] The lifting unit includes a lifting chain. A second track is arranged vertically on the vehicle body, and the lifting chain drives the connecting base to slide on the second track.

[0019] A control unit is installed on the vehicle body. The control unit includes a controller and a detection module. The detection module includes a first distance measuring sensor, a second distance measuring sensor, a third distance measuring sensor, a fourth distance measuring sensor, a height sensor, and a pressure sensor. The signal output ends of the first distance measuring sensor, the second distance measuring sensor, the third distance measuring sensor, the fourth distance measuring sensor, the height sensor, and the pressure sensor are all connected to the signal input end of the controller, and the controller outputs signals to control the movement of the vehicle body and the actions of the first telescopic rod and the second telescopic rod.

[0020] The first distance measuring sensor is arranged forward; the second distance measuring sensor collects the horizontal distance between the longitudinal beam and the connecting seat; there are two third distance measuring sensors in total, and the two third distance measuring sensors respectively collect the distances between the first side rod and the second side rod and the inner wall of the tobacco curing barn; the fourth distance measuring sensor collects the distance between the top of the vehicle body and the connecting part; the height sensor is located at the top of the vehicle body and is arranged upward.

[0021] Through the above technical solutions, the technical effects of the present utility model are as follows: 1. The automatic tobacco feeding device of the tobacco curing barn of the present utility model can automatically place the tobacco clip on the tobacco curing rack. The whole process cleverly utilizes the solution of the change in the length of the variable length unit, with a clever design. Through the variable length unit, the tobacco clip can smoothly enter the tobacco curing rack. The structure is simple, easy to implement, and at the same time, the whole device has high stability, is not prone to damage, and has strong bearing capacity; 2. The first connecting rod and the second connecting rod are provided, with high stability, and are not prone to uncontrolled situations during operation; 3. The provided lifting unit can lift the variable length unit, which is convenient to implement; 4. The variable length unit utilizes the Pythagorean theorem. When the connecting rod is in an inclined state, the projection of the tobacco clip on the horizontal plane is the shortest, so that the tobacco clip can enter the tobacco curing rack in an inclined state. Description of the Drawings

[0022] Figure 1 It is a schematic structural diagram of the present utility model;

[0023] Figure 2 It is a schematic structural diagram of the lifting unit and the variable length unit on the vehicle body;

[0024] Figure 3 is Figure 2 Schematic diagram after rotation;

[0025] Figure 4 It is a schematic circuit diagram of the control unit;

[0026] Figure 5 It is a schematic structural diagram of the tobacco clip used in the present application. Detailed Embodiments

[0027] The automatic tobacco feeding device of the tobacco curing barn, as Figure 1 、 Figure 2 and Figure 3 shown, this solution is used to place the tobacco clip into the tobacco curing barn. There is a tobacco rack in the existing tobacco curing barn, and it is necessary to place the tobacco clip full of tobacco leaves on the tobacco rack.

[0028] The device includes a first track 3, a vehicle body 2, a lifting unit, and a variable-length unit. Among them, the first track 3 is arranged in the flue-cured tobacco barn, and the vehicle body 2 travels on the first track 3. The vehicle body 2 in this embodiment is a mature existing technology. There are traveling wheels 18 arranged at the bottom of the vehicle body 2, and a servo motor is provided on the vehicle body 2. The servo motor drives the traveling wheels 18 to rotate, thereby driving the vehicle body 2 to travel. The number of the first tracks 3 is the same as the number of the traveling wheels 18, and each traveling wheel 18 travels within the first track 3.

[0029] The lifting unit is arranged on the vehicle body 2, and the lifting unit can drive the variable-length unit to lift and lower. Among them, the lifting unit includes a lifting chain 5 and a lifting track. The lifting chain 5 circulates and drives in the vertical direction, and the lifting track is arranged vertically.

[0030] The lifting chain 5 is connected to the variable-length unit, so that the lifting chain 5 drives the variable-length unit to lift and lower along the lifting track. Through the lifting unit, the variable-length unit can be lifted and also driven to descend. The lifting unit in this embodiment is a mature existing technology, for example: its use on a forklift. This application does not involve the improvement of the lifting unit. There is a vertically arranged second track on the vehicle body 2, and the lifting chain 5 drives the variable-length unit to slide on the second track.

[0031] The variable-length unit includes a connecting part, side rods, a receiving plate 4, and a telescopic unit. Among them, the connecting part is connected to the lifting chain 5. The lifting chain 5 drives the connecting part to lift and lower. The connecting part includes a connecting base and a longitudinal beam 17, and the longitudinal beam 17 is arranged vertically.

[0032] In this embodiment, the number of the side rods is two. The two side rods are the first side rod 7 and the second side rod 8 respectively, and both the first side rod 7 and the second side rod 8 are arranged vertically.

[0033] A gap is reserved between the first side rod 7 and the second side rod 8, and a connecting rod is connected within the gap between the first side rod 7 and the second side rod 8. The number of the connecting rods is at least 1. In this embodiment, the number of the connecting rods is two. The two connecting rods are the first connecting rod 6 and the second connecting rod 10 respectively. The first connecting rod 6 and the second connecting rod 10 are parallel to each other, and the first connecting rod 6 and the second connecting rod 10 are of equal length. The two ends of the first connecting rod 6 and the second connecting rod 10 are respectively hinged to the first side rod 7 and the second side rod 8. At the same time, the middle parts of the first connecting rod 6 and the second connecting rod 10 are hinged to the longitudinal beam 17. In this embodiment, the number of the connecting rods is two. As a variation of this embodiment, if the number of the connecting rods is greater than 2, it also falls within the scope of protection of this embodiment.

[0034] When in use, when the first connecting rod 6 and the second connecting rod 10 rotate relative to the longitudinal beam 17, one end of the first side rod 7 and the second side rod 8 will be driven to rise and the other end to fall, so that the first connecting rod 6 and the second connecting rod 10 are inclined. At this time, the first connecting rod 6 and the second connecting rod 10 change from the horizontal state to the inclined state; in the horizontal state, the length of the first connecting rod and the second connecting rod in the horizontal direction is their own length. In the inclined state, according to the Pythagorean theorem, the projection in the horizontal direction at this time is less than the length of the first connecting rod 6 and the second connecting rod 10 themselves, thus achieving elongation. Therefore, the elongation unit adjusts to make the inclined connecting rod become a horizontal connecting rod, achieving elongation, that is, by adjusting to make the hypotenuse become a straight side to achieve growth.

[0035] In this embodiment, the telescopic unit is used to drive the rotation of the first connecting rod 6 and the second connecting rod 10 relative to the longitudinal beam 17. The telescopic unit includes a first telescopic rod 12. The telescopic end of the first telescopic rod 12 is hinged to the first connecting rod 6. Among them, the connection position of the first telescopic rod 12 on the first connecting rod 6 is: a position deviating from the center in the length direction of the first connecting rod 6. At the same time, the first telescopic rod 12 is installed on the connecting portion. That is, one end of the first telescopic rod 12 is connected to the connecting portion, and the other end is hinged to the first connecting rod 6. When the first telescopic rod 12 extends, it will drive the rotation of the first connecting rod 6. Because the two are hinged, the first telescopic rod 12 does not limit the rotation of the first connecting rod 6.

[0036] When in use, when the first telescopic rod 12 extends, the inclination angle of the first connecting rod 6 and the second connecting rod 10 will become larger. At the same time, the connection method of selecting a hinge for the first telescopic rod 12 relative to the first connecting rod 6 also ensures that the first telescopic rod 12 does not affect the inclination of the first connecting rod 6. Among them, the first telescopic rod 12 used is an electric push rod, and the electric push rod is a mature existing technology. This embodiment does not involve improvements to it.

[0037] In order to place the cigarette clip on the elongation unit, a receiving plate 4 is respectively connected to the first side rod 7 and the second side rod 8. The number of receiving plates 4 is at least two. Every two receiving plates 4 form a group. In a group of receiving plates 4, one is located on the first side rod 7 and the other is located on the second side rod 8, and when the first connecting rod 6 and the second connecting rod 10 are in the horizontal state, the two receiving plates 4 in a group of receiving plates are in an equal height state.

[0038] As a variation of this embodiment, the number of sets of the receiving plates can be changed as needed, and such changes are also within the protection scope of this application. For example, the current number of sets of the receiving plates is two. If it is set to 3, 4 or even more, it can still be achieved. It's just that different numbers of sets of receiving plates are applicable to different tobacco curing racks. Two sets of receiving plates are applicable to a three-layer tobacco curing rack, and three sets of receiving plates are applicable to a four-layer tobacco curing rack, and so on. Here, the reason why n sets of receiving plates can be used for an (n + 1)-layer tobacco curing rack is that the bottom layer of the tobacco curing rack is relatively low and can be hung manually. Of course, if n sets of receiving plates are used for an n-layer tobacco curing rack, it still belongs to the protection scope of this embodiment.

[0039] The length direction of the receiving plate 4 is the same as the moving direction of the vehicle body 2. A fixing rod 11 is arranged on the upper surface of the receiving plate 4. The fixing rod 11 is arranged vertically and is evenly distributed along the length direction of the receiving plate 4. The arranged fixing rod 11 can be inserted into the tobacco clamp to fix the tobacco clamp on the receiving plate 4 and prevent the tobacco clamp from slipping when the first connecting rod 6 and the second connecting rod 10 rotate.

[0040] As an alternative to this embodiment, in order to facilitate the subsequent adjustment of the position of the tobacco clamp, a slide rail is arranged on the connecting base. The slide rail is horizontally arranged, and the longitudinal beam 17 is slidably arranged on the slide rail; a second telescopic rod 13 is connected between the longitudinal beam 17 and the connecting base. The telescopic movement of the second telescopic rod 13 will drive the longitudinal beam 17 to slide on the slide rail. The sliding of the longitudinal beam 17 will drive the lengthening unit to move left and right relative to the vehicle body 2. By moving left and right, the tobacco clamp can be located at the central position relative to the vehicle body 2, so as to ensure the position of the tobacco clamp on the tobacco curing rack 1. Among them, the second telescopic rod 13, like the first telescopic rod 12, also selects an electric push rod. This embodiment does not involve the improvement of the electric push rod itself.

[0041] When the second telescopic rod 13 extends, it will push the longitudinal beam 17 to slide on the slide rail. At this time, in order to prevent the movement of the second telescopic rod 13 from being affected by the first telescopic rod 12, a mounting plate is arranged on the connecting base. In this embodiment, the label of the mounting plate is not shown in the figure. Substantially, the mounting plate is fixedly connected to the longitudinal beam 17, and the two can move simultaneously. The installation of the first telescopic rod 12 on the connecting part is actually installed on the mounting plate. During operation, when the second telescopic rod 13 extends, it will drive the mounting plate and the longitudinal beam 17 to slide relative to the connecting base on the slide rail.

[0042] During use, when the vehicle body 2 enters the flue-curing barn, the first connecting rod 6 and the second connecting rod 10 rotate relative to the connecting part driven by the first telescopic rod 12, thus changing to an inclined state. The first side rod 7 and the second side rod 8 connected to the first connecting rod 6 and the second connecting rod 10 also change to an inclined state, and the tobacco clamps on the first side rod 7 and the second side rod 8 also change to an inclined state. At this time, the projection of the tobacco clamp in the horizontal direction becomes shorter, and it can walk in the flue-curing rack 1.

[0043] When it reaches the set position, the lifting unit drives the connecting part to rise. The rise of the connecting part will drive the rise of the tobacco clamp. When the tobacco clamp rises above the layer of the flue-curing rack 1 where it needs to be placed, then driven by the first telescopic rod, the lengthening unit is lengthened. The first connecting rod 6 and the second connecting rod 10 rotate, changing from an inclined state to a horizontal state, and the tobacco clamp will also change to a horizontal state, and the tobacco clamp will be located above the layer of the flue-curing rack where it is to be placed. The lifting unit descends, so that the tobacco clamp falls, and it will just be able to be placed on the layer of the flue-curing rack where it is to be placed during the falling process.

[0044] To control the vehicle body 2, a control unit is installed on the vehicle body 2, such as Figure 4 shown, the control unit includes a controller and a detection module.

[0045] Among them, the controller includes a single-chip microcomputer U1, and the model of the single-chip microcomputer U1 is STM32F103C8T6.

[0046] The detection module includes a first ranging sensor J1, a second ranging module 15, a third ranging module 16, a fourth ranging sensor J4, a height measurement module 14 and a pressure sensor J6. The first ranging sensor J1, the second ranging module 15, the third ranging module 16, and the fourth ranging sensor J4 are selected as wire displacement sensors, which are commercially available products and can be directly purchased. The pressure sensor is used to detect the pressure received by the receiving plate, so as to judge whether the tobacco clamp is separated from the receiving plate.

[0047] The signal output ends of the first ranging sensor J1, the second ranging module 15, the third ranging module 16, the fourth ranging sensor J4, the height measurement module 14 and the pressure sensor J6 are all connected to the signal input end of the controller, and the controller outputs signals to control the movement of the vehicle body 2 and the actions of the first telescopic rod 12 and the second telescopic rod 13.

[0048] The first distance measuring sensor J1 is arranged facing forward. When in use, a laser distance measuring sensor can be selected. It is used to collect the distance to the front and is used to realize the positioning of the vehicle body 2. The signal output end of the first distance measuring sensor J1 is connected to the signal input end of the single-chip microcomputer U1, so as to transmit the collected distance information into the single-chip microcomputer U1. The single-chip microcomputer U1 compares the received value with the set value to judge whether the vehicle body has moved in place. If it has moved in place, the single-chip microcomputer U1 outputs a signal to control the action of the servo motor, and then stops the rotation of the traveling wheel 18. In this embodiment, the single-chip microcomputer U1 outputting a signal to control the rotation of the servo motor is a mature existing technology. It only needs to connect a first motor drive chip U2 (model L298N) to the signal output end of the single-chip microcomputer U1. Then, the motor is driven by the first motor drive chip U2, and finally the rotation of the traveling wheel 18 is realized.

[0049] The second distance measuring module 15 includes a second distance measuring sensor J2 that collects the distance between the longitudinal beam 17 and the edge of the connecting base, so as to collect the distance that the longitudinal beam 17 slides relative to the connecting base. The second distance measuring sensor J2 selects a wire-pulling sensor. The signal output end of the second distance measuring sensor J2 is connected to the signal input end of the single-chip microcomputer U1. The single-chip microcomputer U1 outputs a signal to control the action of the second telescopic rod. The single-chip microcomputer U1 outputting a signal to control the action of the second telescopic rod is a mature existing technology, and it is also directly possible to select a second motor drive chip to drive the action of the first telescopic rod.

[0050] The third distance measuring module 16 includes two third distance measuring sensors J3, which are respectively used to collect the distances between the first side and the second side and the two sides of the tobacco curing barn. The third distance measuring sensor J3 selects a laser distance measuring sensor. The third distance measuring sensor J3 collects the distance to the side of the tobacco curing barn and transmits the collected distance to the single-chip microcomputer U1. The single-chip microcomputer U1 compares the received data with the set value to judge whether the longitudinal beam 17 is in the central position. If not, the single-chip microcomputer U1 outputs a signal to the third motor drive chip, and the third motor drive chip U2 will drive the second telescopic rod to act, so that the longitudinal beam 17 moves horizontally on the slide rail of the connecting base.

[0051] The fourth distance measuring sensor J4 collects the distance between the top of the vehicle body 2 and the connecting part, essentially collecting the distance by which the connecting part is lifted under the action of the lifting unit. The fourth distance measuring sensor J4 can also be a wire-pulling sensor. The signal output end of the fourth distance measuring sensor J4 is connected to the signal input end of the single-chip microcomputer U1, and the single-chip microcomputer U1 outputs a signal to control the action of the lifting chain. The fourth distance measuring sensor J4 collects the distance between the top of the vehicle body and the connecting part, thereby judging how much the connecting part has risen, and transmits the collected data to the single-chip microcomputer U1. The single-chip microcomputer U1 compares the received data with the set value to judge whether it has risen by the specified distance. According to the judgment result, when it has risen by the specified distance, the single-chip microcomputer U1 outputs a signal to make the lifting chain stop moving. The single-chip microcomputer U1 outputs a signal to make the lifting chain move is a mature existing technology. It only needs to connect a fourth motor drive chip to the signal output end of the single-chip microcomputer U1, and the fourth motor drive chip drives the lifting motor to move, and the lifting motor drives the lifting chain to move. In this embodiment, the lifting motor drives the lifting chain to circulate and drive is a mature existing technology.

[0052] The height detection module 14 includes a height sensor J5. The height sensor J5 is located at the top of the vehicle body 2 to prevent the vehicle body 2 from being too high and getting stuck in the tobacco curing barn. Among them, the height sensor J514 can also be a laser distance measuring sensor. The signal output end of the height sensor J514 is connected to the signal input end of the single-chip microcomputer U1. The single-chip microcomputer U1 judges whether the vehicle body 2 can run in the tobacco curing barn according to the received signal. The judgment criterion is to judge the distance between the vehicle body 2 and the inner top surface of the tobacco curing barn according to the distance collected by the height sensor J5. If this distance is greater than the set value, it is judged that the vehicle body can move in the tobacco curing barn.

[0053] The pressure sensor J6 is arranged on the upper surface of the receiving plate 4. After the tobacco clamp is placed on the receiving plate 4, the pressure sensor collects the pressure signal on the receiving plate 4, and compares the received pressure signal with the threshold value to judge whether the tobacco clamp has come off the receiving plate 4.

[0054] When working, place the tobacco clamp on the receiving plate 4, and the vehicle body 2 enters the tobacco curing rack in the tobacco curing barn. At this time, the first connecting rod and the second connecting rod are in an inclined state; the first distance measuring sensor J1 collects the distance between the vehicle body and the front, and transmits the collected distance information to the single-chip microcomputer. The single-chip microcomputer judges whether the set position is reached. When the set position is reached, the single-chip microcomputer outputs a signal to make the lifting chain drive the connecting part to rise by a set distance together; after the rising is completed, the tobacco clamp is located above the layer to be hung; at this time, the first telescopic rod drives the first connecting rod and the second connecting rod to rotate, so that the tobacco clamp is in a horizontal state; at the same time, the third distance measuring sensor J3 collects the distances between the first side rod / second side rod and both sides of the tobacco curing barn, and the single-chip microcomputer outputs a signal to the second telescopic rod according to the signal collected by the third distance measuring sensor, so that the longitudinal beam and the mounting plate slide horizontally along the slide rail of the connecting base until the tobacco clamp is ensured to be in the central position;

[0055] Subsequently, the lifting chain drives the tobacco clamp to descend onto the tobacco curing rack. In this embodiment, since the length of the tobacco clamp matches the distance between the two receiving plates, and the tobacco clamp is just in a state where it can be stuck on the receiving plate, so, as long as the distances between the first side and the second side and both sides are measured, it can be known what position the tobacco clamp is in the tobacco curing rack, so that the center of the tobacco clamp coincides with the center of the tobacco curing rack, avoiding the situation of deviation during placement.

[0056] The automatic tobacco feeding method using the above-mentioned automatic tobacco feeding device for the tobacco curing barn, the method sequentially includes the following steps:

[0057] 1) Place the tobacco clamp full of tobacco leaves on the receiving plate 4; this placement process is manual placement, and it can be placed manually outside the tobacco curing barn. When placing, the two ends of the tobacco clamp are respectively placed on the two receiving plates 4. The tobacco clamp used in this embodiment is a comb-type tobacco curing clamp, as Figure 5 shown. The structure of this tobacco clamp includes a frame 19 and comb teeth 20 connected to the frame 19. There are fixing rods 11 on the receiving plate 4. When the tobacco clamp is placed on the receiving plate 4, ensure that the fixing rods 11 are inserted between the frame 19 and the comb teeth 20, so as to prevent the tobacco clamp from slipping off the receiving plate 4 when the receiving is inclined.

[0058] 2) The connecting rod drives the tobacco clamp to tilt by a set angle, detect the projected lengths at both ends of the tobacco clamp, and judge whether it can enter the tobacco curing barn. If so, the vehicle body 2 starts to enter the tobacco curing barn and travels on the first track 3; if not, the connecting rod continues to drive the tobacco clamp to tilt by the set angle until it can enter the tobacco curing barn; the vehicle body 2 stops when it reaches the set position.

[0059] The method for tilting the tobacco clamp is: the connecting rod extends, so that the first connecting rod 6 and the second connecting rod 10 tilt. During the tilting process, the projection in the horizontal direction becomes shorter, and the tobacco clamp can normally enter the tobacco curing rack 1.

[0060] 3) The connecting rod drives the cigarette clip to rise and sets the height; after the vehicle body 2 enters the designated position in the tobacco curing barn, the lifting unit drives the variable-length unit to rise. When it reaches the set position, it stops. Among them, the standard of the set position is that the lowest end of the inclined cigarette clip is higher than one layer of the tobacco curing rack to be placed.

[0061] 4) The connecting rod drives the cigarette clip to rotate by the same angle as in step 2, and the rotation direction is opposite to that in step 2, so that the cigarette clip is horizontal; the length of the first telescopic rod 12 changes, so that the inclination angles of the first connecting rod 6 and the second connecting rod 10 become smaller.

[0062] In this step, when the connecting rod drives the cigarette clip to be horizontal, the position of the cigarette clip needs to be adjusted so that it is located at the center of the tobacco curing rack 1. When adjusting the position of the cigarette clip, the two third distance measuring sensors located on the first side plate and the second side plate respectively collect the distances from the inner wall of the tobacco curing barn. According to the collected distances, the second telescopic rod 13 acts, so that the entire variable-length unit moves left and right, and finally the cigarette clip is located at the center of the tobacco curing rack 1, so as to stably place the cigarette clip on the tobacco curing rack 1, realizing convenience.

[0063] 5) The connecting rod drives the cigarette clip to descend until the pressure on the bearing plate 4 is 0. The change of the pressure on the bearing plate 4 is collected by the pressure sensor J6. The pressure sensor J6 transmits the collected pressure information to the controller. The controller judges whether the cigarette clip is separated from the bearing plate 4 according to the received information, which is a mature existing technology.

[0064] 6) The vehicle body 2 moves out of the tobacco curing barn, and step 1 is repeated, and the cycle is carried out in turn; in this step, the position value of the vehicle body 2 when it enters the tobacco curing barn for the nth time is X 0 -L 0 -200; where X 0 is the position value of the vehicle body 2 when it enters the tobacco curing barn for the (n - 1)th time; L 0 is the length of the front end of the vehicle body 2.

[0065] The automatic cigarette feeding device for the tobacco curing barn of the present utility model can automatically place the cigarette clip on the tobacco curing rack. The whole process cleverly uses the scheme of the length change of the variable-length unit, with a clever design. Through the variable-length unit, the cigarette clip can smoothly enter the tobacco curing rack 1. The structure is simple, the realization is convenient, and at the same time, the whole device has high stability, is not easy to be damaged, and has strong bearing capacity.

Claims

1. Automatic tobacco delivery device for tobacco flue-curing room, characterized by: It includes a vehicle body, a lifting unit and a length-changing unit. The bottom of the vehicle body is provided with a traveling wheel, and the vehicle body is provided with a traveling motor, which drives the movement of the traveling wheel. The lifting unit is arranged on the vehicle body, and the lifting unit drives the variable length unit to rise and fall; The variable length unit includes a connecting part, a connecting rod, a side rod, a receiving plate and a telescopic unit, the side rod is vertically arranged, the end of the connecting rod is connected to the side rod, and the middle part of the connecting rod is hinged to the connecting part; The telescopic unit drives one end of the connecting rod to rise and the other end to fall; The receiving plate is connected to the side rod, and the length direction of the receiving plate is the same as the length direction of the vehicle body.

2. The automatic tobacco delivery device for a tobacco flue-curing room according to claim 1, characterized in that: There are two receiving plates and two side rods, the two side rods are respectively a first side rod and a second side rod, a connecting rod is connected between the first side rod and the second side rod, and two ends of the connecting rod are respectively hinged to the first side rod and the second side rod.

3. The automatic tobacco delivery device for a tobacco flue-curing room according to claim 2, characterized in that: A vertically arranged stop rod is provided on the upper surface of the receiving plate.

4. The automatic tobacco delivery device for a tobacco flue-curing room according to claim 3, characterized in that: The number of the connecting rods is also two, and the two connecting rods are respectively a first connecting rod and a second connecting rod located below the first connecting rod, and the first connecting rod and the second connecting rod are parallel to each other.

5. The automatic tobacco delivery device for a tobacco flue-curing room according to claim 4, characterized in that: The connecting part includes a connecting base and a longitudinal beam connected to the connecting base, the longitudinal beam is vertically arranged, and the middle parts of the first connecting rod and the second connecting rod are hinged on the longitudinal beam; the telescopic unit includes a first telescopic rod installed on the connecting part, and the telescopic end of the first telescopic rod is connected to a position deviating from the center in the length direction of the first connecting rod.

6. The automatic tobacco delivery device for a tobacco flue-curing room according to claim 5, characterized in that: The connecting part also includes a mounting plate connected to the longitudinal beam, the first telescopic rod is mounted on the mounting plate, and the telescopic end of the first telescopic rod is connected to the first connecting rod.

7. The automatic tobacco delivery device for a tobacco flue-curing room according to claim 6, characterized in that: A slide rail is arranged on the connecting base, and the longitudinal beam and the mounting plate are both slidably arranged on the slide rail; a second telescopic rod is connected between the longitudinal beam and the connecting base.

8. The automatic tobacco delivery device for a tobacco flue-curing room according to claim 7, characterized in that: The lifting unit comprises a lifting chain, a second track which is vertically arranged is arranged on the vehicle body, and the lifting chain drives the connecting base to slide on the second track.

9. The automatic tobacco delivery device for a tobacco flue-curing room according to claim 8, characterized in that: A control unit is installed on the vehicle body, the control unit includes a controller and a detection module, the detection module includes a first distance measuring sensor, a second distance measuring sensor, a third distance measuring sensor, a fourth distance measuring sensor, a height sensor and a pressure sensor; the signal output ends of the first distance measuring sensor, the second distance measuring sensor, the third distance measuring sensor, the fourth distance measuring sensor, the height sensor and the pressure sensor are all connected to the signal input end of the controller, and the controller outputs a signal to control the movement of the vehicle body and the action of the first telescopic rod and the second telescopic rod.

10. The automatic tobacco delivery device for a tobacco flue-curing room according to claim 9, characterized in that: The first distance measuring sensor is arranged forward; the second distance measuring sensor collects the horizontal distance between the longitudinal beam and the connecting seat; there are two third distance measuring sensors, and the two third distance measuring sensors collect the distance between the first side rod and the second side rod and the inner wall of the tobacco curing room respectively; the fourth distance measuring sensor collects the distance between the top of the vehicle body and the connecting part; the height sensor is located on the top of the vehicle body and is arranged upward.

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