Tobacco leaf feeding device for tobacco weaving

Abstract

The utility model relates to a tobacco leaf feeding device for tobacco weaving, which comprises a tobacco rod frame for transversely placing tobacco rods, the front side and the rear side of the tobacco rod frame are respectively provided with a tobacco leaf clamping jig, each tobacco leaf clamping jig is provided with a plurality of tobacco leaf clamps which are distributed at intervals along the transverse direction, each tobacco leaf clamping jig is respectively driven by a driving piece to move forwards and backwards, and the driving piece drives the tobacco leaf clamping jigs to move forwards and backwards. And the tobacco leaf clamping jig is close to or far away from the tobacco rod on the tobacco rod frame. The tobacco leaf weaving device is simple and reasonable in structural design, manufacturing cost is reduced, tobacco leaves can be clamped at a time, the tobacco leaves do not need to be continuously and manually added in the tobacco weaving process, operation is convenient, and the potential safety hazard that the tobacco leaves are accidentally injured by a mechanical arm is reduced.

Description

Technical Field

[0001] This utility model relates to a device for attaching tobacco leaves to a tobacco-making machine. Background Technology

[0002] Tobacco weaving, commonly known as "spinning," involves attaching tobacco leaves to tobacco stalks for delivery into the curing barn. Currently, numerous tobacco weaving devices are available on the market. For example, Chinese Patent Publication No. CN220360080U discloses an automatic tobacco weaving device. This patent uses clamps on both sides of the tobacco stalk to hold the tobacco leaves, which are then moved closer to the stalk by the clamps on both sides, thus attaching the leaves. A robotic arm then weaves the leaves on both sides of the stalk simultaneously, achieving simultaneous automatic weaving on both sides and improving efficiency. However, the loading device in the aforementioned patent uses a chain to rotate the clamps and tobacco leaves, resulting in a complex structure and increased manufacturing costs. Furthermore, the entire process requires manual addition of tobacco leaves using the clamps, making the operation cumbersome. Additionally, manual addition requires constant proximity to the robotic arm, posing a potential safety hazard and the risk of injury from accidental contact. Utility Model Content

[0003] This utility model addresses the problems existing in the prior art by providing a device for feeding tobacco leaves into a tobacco-making machine.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is: a tobacco leaf feeding device, including a tobacco stem frame for horizontally placing tobacco stems, tobacco leaf clamping fixtures are provided on both the front and rear sides of the tobacco stem frame, and each tobacco leaf clamping fixture is provided with multiple tobacco leaf clips distributed horizontally at intervals. Each tobacco leaf clamping fixture is driven by a driving component to move forward and backward, so that the tobacco leaf clamping fixture moves closer to or away from the tobacco stems on the tobacco stem frame.

[0005] Furthermore, the driving component includes a pair of rodless cylinders distributed on the left and right, the rodless cylinders being arranged longitudinally, and the left and right ends of the tobacco leaf clamping fixture being connected to the moving ends of the pair of rodless cylinders respectively.

[0006] Furthermore, the cigarette holder is U-shaped, and cigarette holder blocks are fixed to the top of the vertical sections on the left and right sides of the cigarette holder. The cigarette holder blocks are provided with placement grooves for placing the cigarette.

[0007] Furthermore, the tobacco leaf clamping fixture includes a fixture base plate arranged horizontally, a clamp fixing rod arranged parallel above the fixture base plate, and multiple tobacco leaf clamps spaced apart along the length of the bottom of the clamp fixing rod. The clamping part of the tobacco leaf clamp faces the side where the tobacco rod frame is located, and the handle part faces away from the side where the tobacco rod frame is located.

[0008] Furthermore, a movable component is provided on the side of the clamp fixing rod facing away from the tobacco rod frame. The movable component is driven to move left and right by a power component. The movable component is provided with a handle actuating component for contacting the handles of multiple tobacco clips. When the movable component moves, the handle actuating component actuates the handles of multiple tobacco clips to open the clamping parts of the multiple tobacco clips.

[0009] Furthermore, the tobacco leaf clip includes a first clip body and a second clip body distributed on the left and right sides respectively. The first clip body and the second clip body are provided with a clamping part, a connecting part and a handle part from front to back, and the connecting part of the first clip body and the second clip body are hinged together.

[0010] Furthermore, the bottom of the clamp fixing rod is fixed with multiple handle fixing blocks at intervals along its length. The multiple handle fixing blocks correspond to the positions of multiple tobacco clips, and each handle fixing block is fixedly connected to the handle portion of the first clamping body of the tobacco clip. The handle actuating component includes multiple handle actuating blocks arranged side by side. Each handle actuating block corresponds to the positions of two tobacco clips. The handle actuating blocks are horizontally U-shaped, and the left and right ends of each handle actuating block are located on the right side of the handle portion of the second clamping body of the two tobacco clips, respectively.

[0011] Furthermore, the movable component is a movable rod arranged parallel to the side of the clamp fixing rod facing away from the tobacco rod frame, and multiple handle actuation blocks are fixed to the end of the movable rod facing the tobacco rod frame.

[0012] Furthermore, the power component is a drive cylinder mounted on one side of the moving rod and installed on the base plate of the fixture. The cylinder rod of the drive cylinder extends to the right and a connecting plate is fixed to its end. The connecting plate is fixedly connected to the left end of the moving rod. When the cylinder rod of the drive cylinder extends or retracts, it drives the moving rod to move left and right.

[0013] Furthermore, a vertical support plate is fixed to the center of the top surface of the bottom of the fixture, and a pair of U-shaped support blocks distributed on the left and right are provided on the front side of the vertical support plate. Each of the adjacent ends of the pair of U-shaped support blocks is provided with a placement slot; the left and right ends of the clamp fixing rod are respectively accommodated in the placement slots of the pair of U-shaped support blocks.

[0014] Compared with the prior art, the present invention has the following advantages: The present invention has a simple and reasonable structural design, which reduces the production cost. The tobacco leaves can be clamped at once, and there is no need for manual addition of tobacco leaves during the tobacco weaving process. The operation is more convenient and reduces the safety hazard of being accidentally injured by the robotic arm. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural schematic diagram of an embodiment of the present utility model;

[0016] Figure 2This is a schematic diagram of the main structure of an embodiment of this utility model;

[0017] Figure 3 This is a top view of an embodiment of the present invention.

[0018] Figure 4 This is a top view schematic diagram of the tobacco leaf clamping fixture in an embodiment of this utility model;

[0019] Figure 5 yes Figure 4 Enlarged diagram of point A in the diagram;

[0020] Figure 6 This is a three-dimensional structural diagram of the tobacco leaf clamping fixture in an embodiment of this utility model (tobacco leaf clamps omitted);

[0021] Figure 7 yes Figure 6 Enlarged diagram of point B in the image;

[0022] Figure 8 This is a schematic diagram of the installation of the tobacco leaf clip in an embodiment of this utility model;

[0023] Figure 9 yes Figure 8 Enlarged diagram of point C in the diagram;

[0024] Figure 10 This is a schematic diagram of the cooperation between the tobacco leaf clip and the moving part in an embodiment of this utility model.

[0025] 100-Tobacco leaf clamping fixture; 101-Fixture base plate; 102-Clamp fixing rod; 103-Tobacco leaf clamp; 1031-Clamping part; 1032-Handle part; 1033-First clamping body; 1034-Second clamping body; 1035-Connecting part; 1036-Torsion spring pivot; 1037-Protrusion; 104-Handle fixing block; 105-Handle actuating block; 106-Moving rod; 107-Drive cylinder; 108-Connecting plate; 109-Sliding groove; 110-Sliding rod; 111-Vertical support plate; 112-U-shaped support block; 113-Placement slot;

[0026] 201-Cigarette holder; 202-Cigarette rod; 203-Rodless cylinder; 205-Cigarette rod support block; 206-Placement groove. Detailed Implementation

[0027] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0028] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model 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. Therefore, they should not be construed as limitations on this utility model.

[0029] like Figures 1-10 As shown, this utility model discloses a tobacco leaf loading device, including a tobacco rod frame 201 for horizontally placing tobacco rods 202. Tobacco leaf clamping fixtures 100 are provided on both the front and rear sides of the tobacco rod frame 201. Each tobacco leaf clamping fixture 100 has multiple tobacco leaf clips 103 spaced laterally. The tobacco leaf clamping fixtures 103 are used to clamp the tobacco leaf petioles. Each tobacco leaf clamping fixture 100 is driven by a driving component to move forward and backward, so that the tobacco leaf clamping fixture 100 approaches or moves away from the tobacco rod 202 on the tobacco rod frame 201. In use, the tobacco leaf clips on each tobacco leaf clamping fixture clamp the tobacco leaves, achieving tobacco leaf loading; then, each tobacco leaf clamping fixture is driven by the driving component to move towards the tobacco rod in the forward and backward direction, so that the tobacco leaf petioles approach the tobacco rod, facilitating subsequent tobacco-binding robotic arm operations. After the tobacco-making robotic arm finishes making the tobacco, the tobacco clamps of the tobacco-holding fixture release the tobacco leaves.

[0030] In this embodiment, the driving component includes a pair of rodless cylinders 203 distributed on the left and right. The rodless cylinders 203 are arranged longitudinally. The left and right ends of the tobacco leaf clamping fixture 100 are respectively connected to the moving ends of the pair of rodless cylinders 203. That is, each tobacco leaf clamping fixture is driven by the pair of rodless cylinders to move forward and backward longitudinally.

[0031] In this embodiment, the tobacco rod frame 201 is in the shape of a vertical U. The top of the vertical sections on the left and right sides of the tobacco rod frame 201 is fixed with tobacco rod support blocks 205. The tobacco rod support blocks 205 are provided with placement grooves 206 for placing tobacco rods 202.

[0032] In this embodiment, the tobacco leaf clamping fixture 100 includes a fixture base plate 101 arranged laterally. The left and right ends of the fixture base plate are respectively connected to the moving ends of a pair of rodless cylinders. A clamp fixing rod 102 is arranged parallel above the fixture base plate 101. Multiple tobacco leaf clamps 103 are distributed at intervals along the length direction (i.e., laterally) of the bottom of the clamp fixing rod 102. The tobacco leaf clamps are normally in a clamping state. The multiple tobacco leaf clamps are located above the fixture base plate. The clamping part 1031 of the tobacco leaf clamp 103 faces the side where the tobacco rod frame 201 is located, and the handle part 1032 faces away from the side where the tobacco rod frame 201 is located.

[0033] In this embodiment, a movable member is provided on the side of the clamp fixing rod 102 facing away from the tobacco rod frame 201. The movable member is driven to move left and right by a power component. The movable member is provided with a handle actuating member for contacting the handle portion 1032 of the multiple tobacco clips 103. When the movable member moves, the handle actuating member actuates the handle portion of the multiple tobacco clips, so that the clamping portion of the multiple tobacco clips 103 opens.

[0034] In this embodiment, as Figure 10 As shown, the tobacco clip 103 includes a first clip 1033 and a second clip 1034 distributed on the left and right sides respectively. The first clip 1033 and the second clip 1034 are provided with a clamping part 1031, a connecting part 1035 and a handle part 1032 from front to back. The connecting part 1035 of the first clip 1033 and the second clip 1034 is hinged to each other by a torsion spring shaft 1036. The torque of the torsion spring shaft pushes the clamping parts of the first and second clips to be close to each other in the normal state (that is, in a clamped state).

[0035] In this embodiment, a plurality of handle fixing blocks 104 are fixed at intervals along the length of the bottom of the clamp fixing rod 102. The plurality of handle fixing blocks 104 correspond to the positions of a plurality of tobacco leaf clamps 103. Each handle fixing block 104 is fixedly connected to the handle portion 1032 of the first clamp body 1033 of the tobacco leaf clamp 103 by fasteners.

[0036] In this embodiment, the handle actuation component includes a plurality of handle actuation blocks 105 arranged side by side in a horizontal direction. The position of each handle actuation block 105 corresponds to the position of two tobacco clips 103. The handle actuation block 105 is in a horizontal U-shape. The left and right ends of each handle actuation block 105 are located on the right side of the handle portion 1032 of the second clamping body 1034 of the two tobacco clips 103, that is, one handle actuation block controls the opening of two tobacco clips at the same time.

[0037] In this embodiment, a vertical support plate 111 is fixed to the center of the top surface of the fixture base plate 101. A pair of U-shaped support blocks 112 distributed on the left and right are provided on the front side of the vertical support plate 111. Each of the adjacent ends of the pair of U-shaped support blocks 112 is provided with a downwardly recessed placement slot 113. The left and right ends of the clamp fixing rod 102 are respectively accommodated in the placement slots 113 of the pair of U-shaped support blocks 112, which facilitates the removal and placement of the clamp fixing rod.

[0038] In this embodiment, the movable component is a movable rod 106 arranged parallel to the side of the clamp fixing rod 102 facing away from the cigarette holder 201, and multiple handle actuating blocks 105 are fixed to the end of the movable rod 106 facing the cigarette holder. Preferably, both the movable rod and the clamp fixing rod are made of aluminum profile, the handle actuating blocks are locked to the front end face of the movable rod by fasteners, and the handle fixing blocks are locked to the bottom of the clamp fixing plate by fasteners.

[0039] In this embodiment, the power component is a drive cylinder 107 that is horizontally arranged on one side of the moving rod 106 and mounted on the fixture base plate 101. A connecting plate 108 is fixed to the end of the cylinder rod of the drive cylinder 107. The connecting plate 108 is fixedly connected to the left end of the moving rod 106. When the cylinder rod of the drive cylinder 107 extends or retracts, it drives the moving rod 106 to move left and right through the connecting plate 108.

[0040] In this embodiment, a vertical support plate 111 is fixed to the center of the top surface of the fixture base plate 101. A pair of U-shaped support blocks 112 distributed on the left and right are provided on the front side of the vertical support plate 111. Each of the adjacent ends of the pair of U-shaped support blocks 112 is provided with a downwardly recessed placement slot 113. The left and right ends of the clamp fixing rod 102 are respectively accommodated in the placement slots 113 of the pair of U-shaped support blocks 112, which facilitates the removal and placement of the clamp fixing rod.

[0041] In this embodiment, as Figure 10 As shown, the clamping portion 1031 of the tobacco clip 103 is arc-shaped, and the arc openings of the clamping portions 1031 of the first clamping body 1033 and the second clamping body 1034 are distributed facing each other. The handle portion 1032 of the first clamping body 1033 and the handle portion 1032 of the second clamping body 1032 are both provided with toothed protrusions 1037 at opposite ends to increase the contact friction with the handle actuation block.

[0042] It should be noted that in actual use, in addition to the tobacco leaf feeding device, there is also a tobacco leaf clamping fixture. This tobacco leaf clamping fixture is exactly the same as the tobacco leaf clamping fixture on the tobacco leaf feeding device, and is used in the same way. It is used to clamp the tobacco leaves in advance, that is: remove the clamp fixing rod of the tobacco leaf clamping fixture of the tobacco leaf feeding device, and then use the additional tobacco leaf clamping fixture to clamp the tobacco leaves on each tobacco leaf clamp on the clamp fixing rod to achieve tobacco leaf clamping; after the tobacco leaves are clamped, move the clamp fixing rod to the tobacco leaf clamping fixture of the tobacco leaf feeding device. Furthermore, the process of using the tobacco leaf clamping fixture is as follows: the clamp fixing rod 102, on which multiple tobacco leaf clamps 103 are installed at the bottom, is placed on the placement slot 113 of a pair of U-shaped support blocks 112. When the cylinder rod of the drive cylinder 107 retracts, it drives the moving rod 106 to move to the left through the connecting plate 108. Each handle actuating block 105 on the front end of the moving rod 106 simultaneously actuates the handle part of the second clamping body of the tobacco leaf clamp 103, so as to open the clamping part of the two tobacco leaf clamps 103 at the same time. Then, tobacco leaf stalks are placed into the opened clamping part of each tobacco leaf clamp 103. After each tobacco leaf clamp has been placed, the cylinder rod of the drive cylinder 107 extends and drives the moving rod 106 to move to the right through the connecting plate 108, so that the clamping part of the tobacco leaf clamp 103 returns to the clamping state, thereby realizing that the tobacco leaf clamps hold the tobacco leaf stalks.

[0043] If this utility model discloses or relates to mutually fixedly connected parts or structural components, then, unless otherwise stated, a fixed connection can be understood as: a detachable fixed connection (e.g., using bolts or screws), or a non-detachable fixed connection (e.g., riveting, welding). Of course, mutually fixed connections can also be replaced by an integral structure (e.g., manufactured using a casting process) (except where it is obviously impossible to use an integral forming process).

[0044] In addition, unless otherwise stated, the terms used to indicate positional relationships or shapes in any of the technical solutions disclosed in this utility model above include states or shapes that are similar to, close to, or approximate with them.

[0045] Any component provided by this utility model can be assembled from multiple individual components, or it can be a single component manufactured by a one-piece molding process.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and not to limit it; although the utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications can still be made to the specific implementation of this utility model or equivalent substitutions can be made to some technical features without departing from the spirit of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the technical solution claimed by this utility model.

Claims

1. A tobacco-binding device, comprising a tobacco rod holder for horizontally placing tobacco rods, characterized in that: Tobacco leaf clamping fixtures are provided on both the front and rear sides of the tobacco rod frame. Each tobacco leaf clamping fixture is provided with multiple tobacco leaf clips distributed laterally. Each tobacco leaf clamping fixture is driven to move forward and backward by a drive component, so that the tobacco leaf clamping fixture moves closer to or away from the tobacco rod on the tobacco rod frame.

2. The tobacco leaf feeding device according to claim 1, characterized in that: The driving component includes a pair of rodless cylinders distributed on the left and right, the rodless cylinders being arranged longitudinally, and the left and right ends of the tobacco leaf clamping fixture being connected to the moving ends of the pair of rodless cylinders respectively.

3. The tobacco leaf feeding device according to claim 1, characterized in that: The cigarette holder is U-shaped, and cigarette holder blocks are fixed to the top of the vertical sections on the left and right sides of the cigarette holder. The cigarette holder blocks are provided with grooves for placing the cigarette.

4. The tobacco leaf feeding device according to claim 1, characterized in that: The tobacco leaf clamping fixture includes a fixture base plate arranged horizontally, and a clamp fixing rod arranged parallel above the fixture base plate. Multiple tobacco leaf clamps are distributed at intervals along the length of the bottom of the clamp fixing rod. The clamping part of the tobacco leaf clamp faces the side where the tobacco rod frame is located, and the handle part faces away from the side where the tobacco rod frame is located.

5. A tobacco leaf feeding device according to claim 4, characterized in that: A movable component is provided on the side of the clamp fixing rod facing away from the tobacco rod frame. The movable component is driven to move left and right by a power component. The movable component is provided with a handle actuating component for contacting the handles of multiple tobacco clips. When the movable component moves, the handle actuating component actuates the handles of multiple tobacco clips to open the clamping parts of the multiple tobacco clips.

6. A tobacco leaf feeding device according to claim 5, characterized in that: The tobacco clip includes a first clip and a second clip distributed on the left and right. The first clip and the second clip are provided with a clamping part, a connecting part and a handle part from front to back. The connecting part of the first clip and the second clip is hinged together.

7. A tobacco leaf feeding device according to claim 6, characterized in that: The bottom of the clamp fixing rod is fixed with multiple handle fixing blocks at intervals along its length. The multiple handle fixing blocks correspond to the positions of multiple tobacco clips. Each handle fixing block is fixedly connected to the handle part of the first clamping body of the tobacco clip. The handle actuating component includes multiple handle actuating blocks arranged side by side. Each handle actuating block corresponds to the positions of two tobacco clips. The handle actuating blocks are horizontal U-shaped. The left and right ends of each handle actuating block are located on the right side of the handle part of the second clamping body of the two tobacco clips.

8. A tobacco leaf feeding device according to claim 7, characterized in that: The movable component is a movable rod arranged parallel to the side of the clamp fixing rod facing away from the tobacco rod frame, and multiple handle actuation blocks are fixed to the end of the movable rod facing the tobacco rod frame.

9. A tobacco leaf feeding device according to claim 8, characterized in that: The power component is a drive cylinder mounted on one side of the moving rod and on the base plate of the fixture. The cylinder rod of the drive cylinder extends to the right and a connecting plate is fixed to its end. The connecting plate is fixedly connected to the left end of the moving rod. When the cylinder rod of the drive cylinder extends or retracts, it drives the moving rod to move left and right.

10. A tobacco leaf feeding device according to claim 5, characterized in that: A vertical support plate is fixed to the center of the top surface of the bottom of the fixture. A pair of U-shaped support blocks are provided on the front side of the vertical support plate, and each pair of U-shaped support blocks has a placement slot at one adjacent end. The left and right ends of the clamp fixing rod are respectively accommodated in the placement slots of the pair of U-shaped support blocks.

Images