A conveying mechanism, conveying method and forming equipment

Abstract

The present invention discloses a conveying mechanism, including: a silo for storing materials; a suction part, located above the silo, for sucking materials out of the silo; a limiting part, arranged between the silo and the suction part, and capable of forming a conveying channel together with the suction part, the suction part can suck materials from the silo into the conveying channel, the limiting part is arranged along a first direction, and can move along the first direction, and together with the suction part, the material is formed into a strip and output. With the above technical solution, the strip can move synchronously with the suction part and the limiting part under the drive of the suction part and the limiting part, and will not generate friction with the suction part and the limiting part, which can avoid the problem of clogging of the conveying channel, and can eliminate the phenomenon of uneven material distribution, reduce the weight fluctuation of each section of the strip during slitting, and improve the material processing quality and conveying efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of tobacco processing, and in particular to a conveying mechanism, a conveying method and a forming device. Background Art

[0002] In the field of tobacco processing technology, the conveying mechanism of tobacco in traditional cigarette forming equipment is mostly a tunnel-like channel surrounded by two rigid clamps placed horizontally and parallel and a suction belt laid along the length direction at the top. The working process is: through the negative pressure of the cavity above the suction belt, the tobacco is sucked upward from the silo below the suction belt into the tunnel-like channel, and adsorbed and accumulated on the lower surface of the suction belt, and can move to one end with the suction belt to proceed to the next process. The tobacco conveyed in this way has sliding friction with the inner side of the two clamps during the movement of the suction belt. Due to the friction resistance, the tobacco at some positions is displaced, resulting in uneven distribution, causing the weight of each cigarette obtained by cutting in the later process to fluctuate. Even when the resistance is too large, the tobacco is retained and accumulated, resulting in tobacco blocking in the channel, and the machine must be stopped for cleaning, which greatly affects the production quality and efficiency.

[0003] Therefore, providing a conveying mechanism that does not cause tobacco blockage and can efficiently convey tobacco has become an urgent problem to be solved in the field. Summary of the invention

[0004] The purpose of the present invention is to solve the problem of tobacco shreds being blocked in the conveying mechanism in the prior art.

[0005] In order to solve the above problems, the present invention discloses a conveying mechanism, including: a silo for storing materials; a suction part, located above the silo, for sucking materials out of the silo; a limiting part, arranged between the silo and the suction part, and in contact with the suction part, and capable of forming together with the suction part a conveying channel for conveying materials, wherein the suction part can suck materials from the silo into the conveying channel, and the limiting part is arranged along a first direction and can move along the first direction to output materials together with the suction part.

[0006] By adopting the above technical scheme, the material strip can move synchronously with the material suction part and the limiting part under the drive of the material suction part and the limiting part, and will not generate friction with the material suction part and the limiting part. It can not only avoid the problem of material retention and accumulation in the conveying channel causing blockage of the conveying channel, but also can effectively eliminate the phenomenon of uneven distribution caused by displacement of materials in some positions due to friction resistance, and can reduce the weight fluctuation of each section of material strip during slitting processing, thereby greatly improving the material processing quality and conveying efficiency.

[0007] According to another specific embodiment of the present invention, the limiting part includes a pair of synchronous belt assemblies, and the synchronous belt assembly includes a rotating shaft and a synchronous belt. In a first direction, the rotating shaft is symmetrically arranged at both ends of the limiting part for supporting and driving the synchronous belt to move. The two synchronous belts are arranged opposite to each other and together with the suction part form a conveying channel.

[0008] According to another specific embodiment of the present invention, the limiting portion further includes a limiting plate, which is arranged along the first direction and located on the inner side of the synchronous belt, and is used to limit the synchronous belt to form a conveying channel.

[0009] According to another specific embodiment of the present invention, the synchronous belt assembly further includes a tensioner assembly for adjusting the tension of the synchronous belt.

[0010] According to another specific embodiment of the present invention, the suction part includes a bracket and a suction belt. The bracket is arranged above the conveying channel and is used to define the suction belt. The suction belt is in contact with the upper edge of the defining part to enclose the conveying channel.

[0011] According to another specific embodiment of the present invention, the material suction part further includes an air pressure component, and the air pressure component is used to form a negative pressure so that the material in the silo is sucked into the conveying channel.

[0012] According to another specific embodiment of the present invention, the conveying mechanism further includes a forming frame, which is located at both ends of the conveying channel in the first direction and is used to define the suction belt into the shape of the conveying channel. After the suction belt passes through the forming frame, the conveying channel can be formed.

[0013] According to another specific embodiment of the present invention, the forming frame is ∩-shaped or Π-shaped, and clamping plates are provided on both sides of the suction belt to limit the suction belt to form a conveying channel.

[0014] According to another specific embodiment of the present invention, at least one end of the suction portion and the defining portion is provided with at least one cleaner for cleaning the materials adhered to the suction portion and the defining portion.

[0015] According to another specific embodiment of the present invention, the cleaner includes one or more of a scraper cleaner, an airflow cleaner or a brush cleaner.

[0016] The present invention also discloses a conveying method, which uses the conveying mechanism of any one of the above embodiments to convey materials.

[0017] The present invention also discloses a molding device, comprising the conveying mechanism of any one of the above embodiments or using the conveying method of the above embodiments to convey materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:

[0019] Figure 1 It is a three-dimensional structural schematic diagram of a conveying mechanism provided by the present invention;

[0020] Figure 2 It is a schematic diagram of a top view of a conveying mechanism provided by the present invention;

[0021] Figure 3 It is a side structural schematic diagram of a conveying mechanism provided by the present invention;

[0022] Figure 4 is another side structural schematic diagram of a conveying mechanism provided by the present invention;

[0023] Figure 5 It is a schematic diagram of a top view of a synchronous belt assembly in a conveying mechanism provided by the present invention;

[0024] Figure 6 is a schematic diagram of a top view of a conveying mechanism in another embodiment provided by the present invention;

[0025] Figure 7 It is a side structural schematic diagram of a conveying mechanism in another embodiment provided by the present invention. DETAILED DESCRIPTION

[0026] The following specific embodiments illustrate the implementation of the present invention, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Although the description of the present invention will be introduced in conjunction with the preferred embodiment, this does not mean that the features of this invention are limited to this implementation. On the contrary, the purpose of introducing the invention in conjunction with the implementation is to cover other options or modifications that may extend based on the claims of the present invention. In order to provide a deep understanding of the present invention, the following description will include many specific details. The present invention can also be implemented without using these details. In addition, in order to avoid confusion or blurring the focus of the present invention, some specific details will be omitted in the description. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict.

[0027] In the description of this embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the inventive product is usually placed when used. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] The terms “first”, “second”, etc. are only used for distinguishing descriptions and should not be understood as indicating or implying relative importance.

[0029] In the description of this embodiment, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "provided with", "set", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this embodiment can be understood according to specific circumstances.

[0030] like Figures 1 to 7 As shown, the present invention discloses a conveying mechanism 1, comprising: a silo 10, for storing material 00; a suction portion 11, located above the silo 10, for sucking the material 00 out of the silo 10; a limiting portion 12, disposed between the silo 10 and the suction portion 11, and in contact with the suction portion 11, and capable of forming a conveying channel 13 for conveying the material 00 together with the suction portion 11, wherein the suction portion 11 can suck the material 00 from the silo 10 into the conveying channel 13, and the limiting portion 12 is disposed along a first direction (such as Figure 1 The device is arranged in the X direction) and can move along the first direction to output the material 00 together with the suction part 11.

[0031] That is to say, the conveying mechanism 1 is mainly composed of a silo 10, a suction part 11 and a limiting part 12, wherein the silo 10 is arranged below the suction part 11, and is used to receive and store the material 00 after being processed in the previous process, the suction part 11 is arranged above the silo 10, and the limiting part 12 is arranged between the silo 10 and the suction part 11, and can be attached to the suction part 11, and together with the suction part 11, it forms a conveying channel 13 for conveying the material 00. Figure 1 to Figure 2 As shown, when working, the suction part 11 can suck the material 00 from the silo 10 into the conveying channel 13, so that the material 00 is continuously adsorbed on the suction part 11 and accumulated in the conveying channel 13 to form a material strip. When the limiting part 12 moves together with the suction part 11, the material strip of the material 00 can be output from the conveying channel 13 along the first direction, so that the material strip of the material 00 enters the next process.

[0032] For details, see Figure 1 to Figure 2 As shown, in this embodiment, the silo 10, the suction portion 11 and the limiting portion 12 are all arranged along the first direction, wherein the suction portion 11 can move synchronously with the limiting portion 12 along the first direction (e.g., can move along the first direction Figure 2The material 00 moves in the direction indicated by S in the drawing, that is, the material is discharged from the left end). The material 00 can continuously enter the conveying channel 13 under the suction of the suction part 11. After entering the conveying channel 13, the material 00 can be driven by the suction part 11 and the limiting part 12 to form a material strip, and move synchronously with the suction part 11 and the limiting part 12. During the movement, the material strip of the material 00 and the suction part 11 and the limiting part 12 remain relatively still, and no friction will be generated between the suction part 11 and the limiting part 12. This can not only avoid the problem of material retention and accumulation in the conveying channel 13 causing blockage of the conveying channel 13, but also can well eliminate the phenomenon of uneven distribution caused by displacement of materials in some positions due to friction resistance, and can reduce the weight fluctuation of each section of the material strip during slitting, greatly improving the material processing quality and conveying efficiency.

[0033] The material conveyed by the conveying mechanism claimed in the present invention may include tobacco or solid materials of similar form, such as leaves, stems, stalks of tobacco or natural plants, and one or any combination of one or more powders, particles, pellets, fragments, strands, strips or sheets in homogenized, expanded, extruded bodies containing artificial carriers, additives, atomizers, flavoring agents, flavors, acidity regulators, etc. It should be explained that the "tobacco" described herein is solid tobacco, which may include one or more powders, particles, pellets, fragments, strands, strips or sheets in, for example, tobacco leaves, tobacco stem segments, reconstituted tobacco, homogenized tobacco, extruded tobacco and expanded tobacco.

[0034] By adopting the above technical scheme, the material strip can move synchronously with the material suction part and the limiting part under the drive of the material suction part and the limiting part, and will not generate friction with the material suction part and the limiting part. It can not only avoid the problem of material retention and accumulation in the conveying channel causing blockage of the conveying channel, but also can effectively eliminate the phenomenon of uneven distribution caused by displacement of materials in some positions due to friction resistance, and can reduce the weight fluctuation of each section of material strip during slitting processing, thereby greatly improving the material processing quality and conveying efficiency.

[0035] It should be noted that the present invention does not limit the specific structure of the limiting part, and can be reasonably configured according to actual needs, as long as the limiting part and the material suction part can form a conveying channel together and can move synchronously to output the material.

[0036] For details, see Figure 1 to Figure 2As shown, in this embodiment, the suction part 11 includes a bracket 111 and a suction belt 110, the bracket 111 is arranged above the conveying channel 13, and is used to define the suction belt 110, and the suction belt 110 is in contact with the upper edge of the defining part 12 to form the conveying channel 13. That is, the suction part 11 is mainly composed of the bracket 111 and the suction belt 110, wherein the bracket 111 is arranged above the conveying channel 13, and can press the suction belt 110, so that the suction belt 110 is in contact with the upper edge of the defining part 12 to form the conveying channel 13.

[0037] For more details, see Figure 1 to Figure 2 As shown, in this embodiment, support shafts 112 are provided at both ends of the suction part 11 for supporting the suction belt 110. The suction belt 110 can move along a defined path under the combined action of the support shaft 112 and the bracket 111. In order to ensure that the support shaft 112 can stably and reliably drive the suction belt 110 to move, see Figure 1 to Figure 2 As shown, in this embodiment, a support roller 113 is provided on the support shaft 112, and the support roller 113 is sleeved on the support shaft 112 and fixedly connected to the support shaft 112. Driven by the support shaft 112, the suction belt 110 can be supported by the support roller 113 and rotate under the support of the support roller 113. At the same time, in order to enable the suction belt 110 to move synchronously with the limiting part 12, one of the support shafts 112 can be connected to a driving motor (not shown in the figure), and the driving motor drives the support shaft 112 to rotate, so as to achieve continuous movement of the suction belt 110. In this embodiment, the suction belt 110 is a porous belt-shaped component, such as a porous cloth belt, a porous flexible metal belt, a porous nylon belt, etc. The present invention is not limited to this, and can be reasonably selected and set according to actual needs, as long as the suction belt can suck the material into the conveying channel.

[0038] Also, see Figure 1 to Figure 2 As shown, in order to enable the suction belt 110 to maintain a suitable tension, in the present embodiment, a suction belt tensioning wheel assembly 114 is provided on the upper side of the suction belt 110 for adjusting the tension of the suction belt 110. By adjusting the tension of the suction belt 110, it is ensured that the suction belt 110 is in a suitable working state, so that the suction belt 110 can work stably and effectively.

[0039] Further, see Figure 1 and Figure 3 Combined with Figure 2As shown, in this embodiment, the suction part 11 also includes an air pressure component 15, which is used to form a negative pressure so that the material 00 in the silo 10 is sucked into the conveying channel 13. The air pressure component 15 is arranged above the bracket 111 and the suction belt 110, and can form a negative pressure in the area above the silo 10, so that the material 00 in the silo 10 can be continuously sucked into the conveying channel 13 to form a material strip, and the material strip of the material 10 in the conveying channel 13 is continuously and stably input to the next process through the continuous movement of the suction belt 110 and the limiting part 12. The entire conveying process is fast and efficient, and there will be no blockage, which can greatly improve production efficiency.

[0040] Specifically, in the present embodiment, the air pressure component 15 is a vacuum pump assembly, the suction part 11, the limiting part 12 and the silo 10 are located in the same space, and when the air pressure component 15 is working, negative pressure can be formed in the area above the silo 10, and the air flow can flow from the silo 10 toward the air pressure component 15, so that the material 00 in the silo 10 is sucked into the conveying channel 13, thereby achieving the absorption of the material 00. In other embodiments, the air pressure component can also be other structures, such as an air pressure pipeline connected to an external air flow pipeline, or it can be set at the bottom of the silo, and the material is blown into the conveying channel by blowing the air flow upward, etc. The present invention does not limit this, and can be reasonably selected and set according to actual needs, as long as the material in the silo can enter the conveying channel and be driven and output by the suction belt and the limiting part.

[0041] Further, see Figures 1 to 5 As shown, in this embodiment, the limiting portion 12 includes a pair of synchronous belt assemblies, and the synchronous belt assembly includes a rotating shaft 121 and a synchronous belt 120. In the first direction, the rotating shaft 121 is symmetrically arranged at both ends of the limiting portion 12, and is used to support and drive the synchronous belt 120 to move. The two synchronous belts 120 are arranged opposite to each other, and together with the suction portion 11, they form a conveying channel 13.

[0042] That is, the synchronous belt assembly is mainly composed of a rotating shaft 121 and a synchronous belt 120, wherein the limiting portion 12 is arranged along the first direction, the rotating shaft 121 is arranged at both ends of the limiting portion 12, the synchronous belt 120 is sleeved on the rotating shaft 121, and the rotating shaft 121 can support the synchronous belt 120. At the same time, in order to enable the synchronous belt 120 to move synchronously with the material suction portion 11, one of the rotating shafts 121 can be connected to a driving motor (not shown in the figure), and the rotating shaft 121 is driven by the driving motor to rotate, so as to achieve continuous movement of the synchronous belt 120. In other embodiments, the synchronous belt can also be driven to move in other ways so that the synchronous belt moves synchronously with the material suction portion, such as by connecting components (such as connecting gears and other components are arranged between the synchronous belt and the material suction portion) so that the synchronous belt can move synchronously with the material suction portion. The present invention does not limit this, and can be reasonably set according to actual needs.

[0043] For details, see Figures 1 to 5 As shown, in this embodiment, two synchronous belts 120 are arranged opposite to each other, and the suction part 11 is arranged above the synchronous belt 120, and can be attached to the upper side of the synchronous belt 120. The suction part 11 and the side surfaces of the two synchronous belts 120 arranged opposite to each other jointly form a conveying channel 13. The material 00 in the silo 10 can continuously enter the conveying channel 13 under the action of the suction part 11, and the material 00 in the conveying channel 13 can also be continuously conveyed to the next process under the drive of the suction part 11 and the synchronous belt 120. By using the synchronous belt assembly to realize the function of the limiting part 12, not only the structure is simple, but also it can move synchronously with the suction part 11, and the material 00 can be continuously and stably conveyed to the next process without the problem of blockage.

[0044] Also, see Figure 2 Combined with Figure 5 As shown, in this embodiment, the synchronous belt assembly further includes a tensioner assembly 122 for adjusting the tension of the synchronous belt 120. By adjusting the tension of the synchronous belt 120, it is possible to ensure that the synchronous belt 120 is in a suitable working state, so that the synchronous belt 120 can move synchronously with the suction belt 110 and work stably and effectively.

[0045] Further, see Figure 3 Combined with Figure 1 to Figure 2 As shown, in this embodiment, the limiting part 12 also includes a limiting plate 123, which is arranged along the first direction and located on the inner side of the synchronous belt 120, and is used to limit the synchronous belt 120 to form a conveying channel 13. That is, the limiting plate 123 is arranged on the inner side of the synchronous belt 120 and is arranged along the extension direction of the limiting part 12. Specifically, the limiting plate 123 can fit with the inner side wall of the synchronous belt 120, which can not only support the synchronous belt 120 and limit the synchronous belt to form the conveying channel 13, but also support and limit the synchronous belt 120 during the movement of the synchronous belt 120, so as to prevent the synchronous belt 120 from vibrating or swinging during the movement, and ensure that the synchronous belt 120 can stably and reliably convey the material to the next process together with the suction belt 110.

[0046] Also, see Figure 2 As shown, in this embodiment, the limiting plate 123 can be Figure 3The limiting grooves 124 are arranged on the opposite sides of the two limiting plates 123, and the limiting grooves 124 are arranged above the synchronous belt 120. Both sides of the suction belt 110 can extend into the limiting grooves 124. The limiting grooves 124 can limit both sides of the suction belt 110. The bracket 111 is arranged above the suction belt 110 and can limit the suction belt 110. The suction belt 110 is jointly limited by the bracket 111 and the limiting grooves 124 on the limiting plates 123, which can ensure that the suction belt 110 maintains a stable state during the movement, and can reliably and stably transport the material 00 to the next process with the synchronous belt 120.

[0047] See also Figure 6 to Figure 7 Combined with Figures 1 to 5 As shown, in another embodiment of the present invention, the conveying mechanism further includes a forming frame 16. In the first direction, the forming frame 16 is located at both ends of the conveying channel 13, and is used to define the suction belt 110 into the shape of the conveying channel 13. After the suction belt 110 passes through the forming frame 16, the conveying channel 13 can be formed.

[0048] That is to say, the conveying channel 13 is mainly formed by the suction belt 110 under the limitation of the forming frame 16. At this time, the suction belt 110 and the limiting part 12 are an integrated structure. After the suction belt 110 passes through the forming frame 16 set at one end of the conveying channel 13, it passes through the forming frame 16 at the other end of the conveying channel 13. Under the limitation of the forming frame 16, the suction belt 110 can form the conveying channel 13 in the space between the forming frames 16 at both ends. At this time, the suction belt 110 limited by the forming frame 16 on both sides of the conveying channel 13 can limit the position of the material 00 on both sides, and play the role of the limiting part 12, so that the material 00 sucked by the suction belt 110 can be stably and reliably conveyed to the next production process. The suction belt 110 is limited by the forming frame 16, so that the limiting part 12 is formed on both sides of the suction belt 110, which can not only ensure that the limiting part 12 and the suction belt 110 move synchronously, but also simplify the structure, so that the entire conveying mechanism can stably and reliably convey the material 00 to the next production process.

[0049] It should be noted that the present invention does not limit the specific structure of the forming frame, and can be reasonably configured according to actual needs, as long as both sides of the suction belt can be limited by the forming frame to form a limiting portion.

[0050] For details, see Figure 6 to Figure 7As shown, in another embodiment, the forming frame 16 is ∩-shaped or Π-shaped, and clamps 17 are provided on both sides of the suction belt 110 to limit the suction belt 110 to form a conveying channel 13. That is, the forming frame 16 can be a ∩-shaped structure or a Π-shaped structure, and its core structure is to make the two sides of the suction belt 110 bend downward to form the limiting parts 12 on both sides of the conveying channel 13. Before the suction belt 110 enters the forming frame 16, its cross section is a straight "I" shape. After the suction belt 110 enters the forming frame 16 and is bent into a ∩-shaped structure or a Π-shaped structure, it enters the space between the forming frames 16 at both ends to form the conveying channel 13, and maintains this shape until it passes through the forming frame 16 at the other end, and then flattens into a "I" shape. In other embodiments, the forming frame can also be other structures, and the present invention is not limited to this. It can be reasonably set according to actual needs, as long as the two sides of the suction belt can be limited by the forming frame to form a limiting part.

[0051] In order to prevent the suction belt 110 from vibrating or oscillating during the movement, see Figure 7 As shown, in another embodiment, a clamping plate 17 is provided on both sides of the suction belt 110. That is, in the first direction, the forming frame 16 is provided at both ends of the clamping plate 17, and the suction belt 110 enters the forming frame 16 and is bent into an n-shaped structure or a Π-shaped structure before entering the space between the forming frames 16 at both ends. The clamping plates 17 are provided on both sides of the conveying channel 13, and can limit the part of the suction belt 110 that is bent by the forming frame 16, so that the two sides of the suction belt 110 will not vibrate or swing during the process of conveying the material 00, thereby ensuring the stability and reliability of the entire conveying process. In order to better limit the two sides of the suction belt 110, a guide groove 170 can be provided on the side where the clamping plate 17 contacts the side of the suction belt 110, so that the side of the suction belt 110 can be partially or completely located in the guide groove 170. Under the limitation of the clamping plate 17 and the guide groove 170, the two sides of the suction belt 110 will not vibrate or swing during the process of conveying the material 00, thereby ensuring the stability and reliability of the entire conveying process. In actual use, the clamping plate and the limiting plate in the above embodiment can be used as the same component, and the guide groove is provided on the limiting plate to replace the limiting groove on the limiting plate.

[0052] Further, see Figure 1 Combined with Figures 2 to 7As shown, in this embodiment, at least one of the two ends of the suction part 11 and the limiting part 12 is provided with at least one cleaner 14 for cleaning the materials adhering to the suction part 11 and the limiting part 12. That is, the cleaner 14 is provided at one or both ends of the conveying channel 13, and the cleaner 14 can be provided at a position close to the end of the limiting part 12, such as vertically provided near the end of the synchronous belt 120, or at a position close to the end of the suction belt 110, such as laterally provided at the lower side of the suction belt 110. During the movement of the suction belt 110 or the synchronous belt 120, the cleaner 14 can continuously clean the materials 00 adhering to the suction part 11 and the limiting part 12, avoid excessive adhesion of the materials 00 to the suction part 11 and the limiting part 12, eliminate the risk of the conveying channel 13 being blocked, and ensure that the entire conveying mechanism can continuously and smoothly convey materials.

[0053] Specifically, in this embodiment, the cleaner 14 includes one or more of a scraper cleaner, an airflow cleaner or a brush cleaner. That is, the cleaner can be a scraper cleaning structure (such as a scraper, etc.), an airflow cleaning structure (such as an air gun, etc.), or a brush cleaning structure (such as a brush, etc.), and the present invention does not limit this, and can be reasonably selected and set according to actual needs, as long as it can clean the materials adhered to the suction part 11 and the limiting part 12.

[0054] The present invention also discloses a conveying method, which uses the conveying mechanism 1 of any one of the above embodiments to convey material 00.

[0055] The present invention further discloses a molding device, comprising the conveying mechanism 1 of any one of the above embodiments or using the conveying method of the above embodiments to convey materials 00.

[0056] To sum up, by adopting the technical solution of the present application, the material strip can move synchronously with the material suction part and the limiting part under the drive of the material suction part and the limiting part, and will not generate friction with the material suction part and the limiting part. It can not only avoid the problem of material retention and accumulation in the conveying channel and cause blockage of the conveying channel, but also can effectively eliminate the phenomenon of uneven distribution caused by displacement of materials in some positions due to friction resistance, and can reduce the weight fluctuation of each section of material strip during slitting processing, thereby greatly improving the material processing quality and conveying efficiency.

[0057] Although the present invention has been illustrated and described with reference to certain preferred embodiments of the present invention, it should be understood by those skilled in the art that the above is a further detailed description of the present invention in conjunction with specific embodiments, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. Those skilled in the art may make various changes in form and details, including making several simple deductions or substitutions, without departing from the spirit and scope of the present invention.

Claims

1. A tobacco material conveying mechanism, characterized in that: include: Silos, used to store materials; A suction part, located above the silo, for sucking materials out of the silo; The limiting part is arranged between the silo and the material suction part, and is in close contact with the material suction part, and can enclose a conveying channel for conveying together with the material suction part, wherein: The suction part can suck the material from the silo into the conveying channel, the limiting part is arranged along a first direction and can move along the first direction to output the material together with the suction part, and the suction part can move synchronously with the limiting part along the first direction to keep the tobacco material strip relatively still between the suction part and the limiting part; The suction part includes a bracket and a suction belt. The bracket is arranged above the conveying channel and is used to define the suction belt. The suction belt is in contact with the upper edge of the defining part to enclose the conveying channel.

2. The tobacco material conveying mechanism according to claim 1, characterized in that: The limiting part includes a pair of synchronous belt assemblies, and the synchronous belt assembly includes a rotating shaft and a synchronous belt. In the first direction, the rotating shaft is symmetrically arranged at both ends of the limiting part, and is used to support and drive the synchronous belt to move. The two synchronous belts are arranged opposite to each other, and together with the suction part, they form the conveying channel.

3. The tobacco material conveying mechanism according to claim 2, characterized in that: The limiting portion further includes a limiting plate, which is arranged along the first direction and located on the inner side of the synchronous belt, and is used to limit the synchronous belt to form the conveying channel.

4. The tobacco material conveying mechanism according to claim 2, characterized in that: The synchronous belt assembly also includes a tensioner assembly for adjusting the tension of the synchronous belt.

5. The tobacco material conveying mechanism according to claim 1, characterized in that: The material suction part further comprises an air pressure component, and the air pressure component is used to form a negative pressure so that the material in the silo is sucked into the conveying channel.

6. The tobacco material conveying mechanism according to claim 1, characterized in that: It also includes a forming frame. In the first direction, the forming frame is located at both ends of the conveying channel and is used to define the suction belt into the shape of the conveying channel. After the suction belt passes through the forming frame, the conveying channel can be formed.

7. The tobacco material conveying mechanism according to claim 6, characterized in that: The forming frame is ∩-shaped or Π-shaped, and clamping plates are provided on both sides of the suction belt to limit the suction belt to form the conveying channel.

8. The tobacco material conveying mechanism according to any one of claims 1 to 7, characterized in that: At least one end of the two ends of the material suction portion and the limiting portion is provided with at least one cleaner for cleaning the materials adhering to the material suction portion and the limiting portion.

9. The tobacco material conveying mechanism according to claim 8, characterized in that: The cleaner includes one or more of a scraper cleaner, an airflow cleaner or a brush cleaner.

10. A conveying method, characterized in that: The tobacco material conveying mechanism according to any one of claims 1 to 9 is used to convey the material.

11. A molding device, characterized in that: A tobacco material conveying mechanism comprising any one of claims 1 to 9 or a method for conveying materials using the conveying method described in claim 10.

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