Stem and tobacco pouch separation device and method

Abstract

The present invention discloses a tobacco stem and bag separating device and method, which relates to the field of tobacco equipment and is used to quickly separate the tobacco stems and packaging bags of bagged tobacco stems. The tobacco stem and bag separating device includes a conveying mechanism, a supporting mechanism, a bag grasping mechanism and a cutting knife mechanism. The conveying mechanism is configured to convey bagged tobacco stems. The supporting mechanism is installed downstream of the conveying mechanism; the supporting mechanism includes a bearing surface for carrying bagged tobacco stems and a material leakage hole; the bearing surface is lower than the conveying surface of the conveying mechanism, or the bearing surface is flush with the conveying surface of the conveying mechanism. The bag grasping mechanism is installed on the supporting mechanism or is located near the supporting mechanism; the bag grasping mechanism is configured to grasp the top of the packaging bag of the bagged tobacco stems. The cutting knife mechanism includes a cutting knife, the cutting knife is located near the bearing surface, and the cutting knife is configured to cut open the bottom of the packaging bag. The above technical solution quickly realizes the separation of the packaging bag and the tobacco stems, and has a good separation effect.

Description

Technical Field

[0001] The present invention relates to the field of tobacco equipment, and particularly to a device and method for separating tobacco stems from tobacco bags. Background Art

[0002] The weight specification of bagged tobacco stems is 180 kg to 200 kg. The bag mouths of the bagged tobacco stems are tightly tied and placed in boxes. When the tobacco stems need to be processed, the whole bag of bagged tobacco stems needs to be taken out of the box first, and then the plastic bag is opened to pour out the tobacco stems in the bag. The above operations are all completed manually.

[0003] The inventor found that in the related art, the feeding method of bagged tobacco stems is still in the stage of planning, design and testing in the industry, and there is no equipment in the related art that can meet the feeding requirements. There is an urgent need in the industry to develop an equipment that can meet the feeding requirements. Summary of the Invention

[0004] The present invention provides a device and method for separating tobacco stems from tobacco bags to quickly separate the tobacco stems and the packaging bags of the bagged tobacco stems.

[0005] An embodiment of the present invention provides a device for separating tobacco stems from tobacco bags, including:

[0006] A conveying mechanism configured to convey bagged tobacco stems;

[0007] A supporting mechanism installed downstream of the conveying mechanism; the supporting mechanism includes a bearing surface for bearing the bagged tobacco stems and a material leakage hole; the bearing surface is lower than the conveying surface of the conveying mechanism, or the bearing surface is flush with the conveying surface of the conveying mechanism;

[0008] A bag grasping mechanism installed on the supporting mechanism or near the supporting mechanism; the bag grasping mechanism is configured to grasp the top of the packaging bag of the bagged tobacco stems; and

[0009] A cutter mechanism including a cutter; the cutter is located near the bearing surface, and the cutter is configured to cut open the bottom of the packaging bag.

[0010] In some embodiments, the cutter is slidably installed on the supporting mechanism.

[0011] In some embodiments, the cutter mechanism further includes:

[0012] A cutter mounting frame installed on the supporting mechanism; one end of the cutter is installed on the cutter mounting frame; and

[0013] A guiding portion installed on the supporting mechanism and located at the top of the cutter mounting frame; the guiding portion includes a guiding groove, and the other end of the cutter extends out of the guiding groove.

[0014] In some embodiments, the cutter mechanism further includes:

[0015] An adjusting part, which is installed on the cutter mounting bracket in a linearly movable manner; and the adjusting part is located between the cutter mounting bracket and the cutter; the adjusting part is configured to linearly move relative to the cutter mounting bracket to change the length of the cutter protruding from the guiding groove.

[0016] In some embodiments, the cutter mounting bracket is provided with a threaded hole; the adjusting part includes:

[0017] A lead screw, which is installed in the threaded hole; and

[0018] A fixing part, which is threadedly connected to the lead screw to switch the lead screw and the cutter mounting bracket between a loose state and a locked state.

[0019] In some embodiments, the cutter mechanism further includes:

[0020] A linear slide rail, which is installed on the support mechanism; the cutter mounting bracket is slidably installed on the linear slide rail; and

[0021] A driving part, which is drivingly connected to the cutter mounting bracket to drive the cutter mounting bracket to move relative to the linear slide rail.

[0022] In some embodiments, the support mechanism includes:

[0023] A support part, which is configured to be liftable or telescopic; the cutter mechanism is installed on the support part; and

[0024] A frame body, which is installed on the support part, the frame body is configured to be concave, and the top surface of the frame body serves as the bearing surface; the frame body is located downstream of the conveying mechanism, and the height of the frame body is lower than the conveying surface of the conveying mechanism.

[0025] In some embodiments, the support part includes:

[0026] A fixing part, which is configured to provide support; and

[0027] A lifting part, which is installed on the fixing part; the lifting part includes a plurality of mounting holes with different heights and is connected to the fixing part through at least one mounting hole, or the lifting part is configured to be telescopic; the frame body is installed on the lifting part.

[0028] In some embodiments, the lifting part further includes:

[0029] Adjusting rods, which are arranged in pairs; each of the adjusting rods is connected to the fixing part; and

[0030] A fixed rod is installed between a pair of the adjusting rods;

[0031] Among them, there are two pairs of the lifting parts, and the frame body is rotatably installed between the fixed rods of the two lifting parts.

[0032] In some embodiments, the frame body includes:

[0033] At least two planar frames, each of the planar frames includes a plurality of connecting rods located in the same plane; the bottoms of the two planar frames are fixedly connected, and the tops are separated from each other to form a V shape.

[0034] In some embodiments, the supporting mechanism further includes:

[0035] A baffle plate assembly is installed on the supporting part; the baffle plate assembly is configured to block the V-shaped ends of the two planar frames.

[0036] In some embodiments, the baffle plate assembly includes:

[0037] At least two baffle plates, each of the baffle plates is rotatably installed on the supporting part and can slide along the supporting part; one of the baffle plates is located at the V-shaped end of one end of the two planar frames, and the other baffle plate is located at the V-shaped end of the other end of the two planar frames.

[0038] In some embodiments, the conveying mechanism includes:

[0039] A belt conveyor; and

[0040] An inverter is drivingly connected to the belt conveyor to change the conveying speed of the belt conveyor.

[0041] In some embodiments, the bag grasping mechanism includes:

[0042] A hook is installed on the supporting mechanism, and the position of the hook is higher than the bearing surface of the bagged tobacco stems; and

[0043] A support rod, both ends of which are installed on the supporting mechanism; the hook is slidably installed in the middle of the support rod.

[0044] An embodiment of the present invention also provides a method for separating tobacco stem bags, which is implemented by using the tobacco stem bag separating device provided by any technical solution of the present invention. The method for separating tobacco stem bags includes the following steps:

[0045] Convey the bagged tobacco stems to the bearing surface of the supporting mechanism;

[0046] Use the bag grasping mechanism to hook the top of the packaging bag of the bagged tobacco stems;

[0047] Use the cutting tool mechanism to cut open the bottom of the packaging bag.

[0048] In some embodiments, using the cutting tool mechanism to cut open the bottom of the packaging bag includes the following steps:

[0049] Adjust the position of the cutting tool of the cutting tool mechanism relative to the packaging bag;

[0050] Move the cutting tool along one of the length and width directions of the packaging bag to cut open the packaging bag.

[0051] The tobacco stem packaging bag separation device provided by the above technical solution uses a conveying mechanism to convey the bagged tobacco stems as a whole to the support mechanism, then uses a bag grasping mechanism to grasp the top of the packaging bag, and uses a cutting tool mechanism to cut open the bottom of the packaging bag. Under the action of gravity, the tobacco stems in the packaging bag will all fall off, thus realizing the separation of the packaging bag and the tobacco stems, achieving the automatic feeding of the bagged tobacco stems, improving the feeding efficiency of the bagged tobacco stems, and having a good separation effect between the packaging bag and the tobacco stems. Brief Description of the Drawings

[0052] The drawings described herein are used to provide a further understanding of the present invention, form a part of this application, and the schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings:

[0053] Figure 1 It is a schematic structural diagram of the tobacco stem packaging bag separation device provided by an embodiment of the present invention.

[0054] Figure 2 It is a schematic diagram of the relative positions of the support mechanism, bag grasping mechanism, and cutting tool mechanism of the tobacco stem packaging bag separation device provided by an embodiment of the present invention.

[0055] Figure 3 It is an installation schematic diagram of the cutting tool mechanism of the tobacco stem packaging bag separation device provided by an embodiment of the present invention.

[0056] Figure 4 It is a schematic diagram of the tobacco stem packaging bag separation method provided by an embodiment of the present invention.

[0057] Figure 5 It is a schematic logic diagram of the tobacco stem packaging bag separation method provided by an embodiment of the present invention.

[0058] Reference Signs:

[0059] 1, conveying mechanism; 2, support mechanism; 3, bag grasping mechanism; 4, cutting tool mechanism; 5, bagged tobacco stems;

[0060] 11, belt conveyor; 12, frequency converter;

[0061] 21. Bearing surface; 22. Material leakage hole; 23. Support part; 24. Frame body;

[0062] 231. Fixing part; 232. Lifting part; 233. Baffle assembly;

[0063] 2321. Mounting hole; 2322. Adjusting rod; 2323. Fixed rod;

[0064] 2331. Baffle; 2332. Bearing seat;

[0065] 241. Flat frame;

[0066] 31. Hook; 32. Support rod;

[0067] 41. Cutter; 42. Cutter mounting frame; 43. Guide part; 44. Adjusting part; 45. Linear slide rail; 46. Driving part;

[0068] 421. Threaded hole; 431. Guide groove; 441. Lead screw; 442. Fixing part. Detailed implementation mode

[0069] The following combines Figures 1 to 5 to elaborate the technical solution provided by the present invention in more detail.

[0070] Explanation of nouns or terms used in this article.

[0071] The bagged tobacco stalk 5 is the whole of the packaging bag and the tobacco stalks. The bag mouth of the packaging bag is tied tightly, and the tobacco stalks are placed inside the packaging bag. The packaging bag can be a transparent packaging bag, a snake skin bag, etc.

[0072] Refer to Figures 1 to 3 , an embodiment of the present invention provides a tobacco stalk and tobacco bag separation device, including a conveying mechanism 1, a supporting mechanism 2, a bag grasping mechanism 3 and a cutter mechanism 4. The conveying mechanism 1 is configured to convey the bagged tobacco stalks 5. The supporting mechanism 2 is installed downstream of the conveying mechanism 1; the supporting mechanism 2 includes a bearing surface 21 for bearing the bagged tobacco stalks 5 and a material leakage hole 22. The bearing surface 21 is lower than the conveying surface of the conveying mechanism 1, or the bearing surface 21 is flush with the conveying surface of the conveying mechanism 1. The bag grasping mechanism 3 is installed on the supporting mechanism 2 or is located near the supporting mechanism 2; the bag grasping mechanism 3 is configured to grasp the top of the packaging bag of the bagged tobacco stalks 5. The cutter mechanism 4 includes a cutter 41, the cutter 41 is located near the bearing surface 21, and the cutter 41 is configured to cut open the bottom of the packaging bag.

[0073] The weight specification of the bagged tobacco stems 5 is 180 kg to 200 kg. The bagged tobacco stems 5 are integrally packed in a packing box. When separating the tobacco stems and the bag using the technical solution of the embodiment of the present invention, first, the whole bagged tobacco stems 5 are taken out of the packing box and then placed on the conveying mechanism 1. The conveying mechanism 1 is used to convey the whole bagged tobacco stems 5 to the supporting mechanism 2. The supporting mechanism 2 supports the whole bagged tobacco stems 5.

[0074] Then, the bag-catching mechanism 3 is used to hook the packaging bag. The bag-catching mechanism 3 can be manually operated or a robot can be set to operate the bag-catching mechanism 3. It can hook any position of the packaging bag. In some embodiments, regardless of the orientation in which the bagged tobacco stems 5 are conveyed to the supporting mechanism 2, the bag-catching mechanism 3 only needs to hook the top of the bagged tobacco stems 5 on the supporting mechanism 2. This can greatly simplify the operation difficulty of the bag-catching mechanism 3 and prevent the packaging bag from falling with the tobacco stems when the tobacco stems fall later.

[0075] After the bag-catching mechanism 3 grabs the packaging bag, the cutting mechanism 4 is used to cut open the bottom of the packaging bag. Under the action of its own gravity, the tobacco stems can fall and leak through the material leakage hole 22. It should be noted that the operation of the bag-catching mechanism 3 grabbing the packaging bag and the operation of the cutting mechanism 4 cutting open the packaging bag can also be carried out simultaneously. Or, the operation of the bag-catching mechanism 3 grabbing the packaging bag can be slightly later than the operation of the cutting mechanism 4 cutting open the packaging bag, but not too late, so as to prevent the packaging bag from falling through the material leakage hole 22 when too much tobacco stems leak. The cutting mechanism 4 can be manually driven or driven by a driving mechanism.

[0076] In the above technical solution, although the weight of the bagged tobacco stems 5 is very heavy, after the bagged tobacco stems 5 are placed on the conveying mechanism 1, during the entire separation operation of the tobacco stems and the packaging bag, there is no need for manual lifting of the bagged tobacco stems 5, nor for other mechanical equipment to lift and pour the packaging bag. The operation is very labor-saving, and the separation effect of the tobacco stems and the packaging bag is good.

[0077] The implementation methods of each part are introduced in detail below.

[0078] See Figure 1 , in some embodiments, the conveying mechanism 1 includes a belt conveyor 11 and a frequency converter 12. The frequency converter 12 is drivingly connected to the belt conveyor 11 to change the conveying speed of the belt conveyor 11. The length of the belt conveyor 11 is related to the position where the tobacco stems need to be fed and the position where the bagged tobacco stems 5 are taken out of the packing box, and the length of the belt conveyor 11 is set as required. The top surface of the belt of the belt conveyor 11 serves as the conveying surface. The frequency converter 12 is used to change the conveying speed of the belt conveyor 11 to meet the feeding requirements at different speeds. Moreover, the conveying speed of the bagged tobacco stems 5 can also be adjusted through the frequency converter 12 to adjust the impact state of the bagged tobacco stems 5 sliding into the supporting mechanism 2 at different conveying speeds.

[0079] The support mechanism 2 is located downstream of the conveying mechanism 1. It can be entirely downstream of the conveying mechanism 1, or only the material leakage holes 22 can be set downstream of the conveying mechanism 1. In some embodiments, the support mechanism 2 is taken as an example of being entirely arranged downstream of the conveying mechanism 1.

[0080] After the bagged tobacco stems 5 are conveyed from the conveyor belt, they move onto the support mechanism 2 under their own inertia. Therefore, the setting position of the bearing surface 21 of the support mechanism 2 can be lower than the conveying surface of the belt conveyor 11, so that the bagged tobacco stems 5 can be conveyed to the support mechanism 2 without the need to set other power mechanisms.

[0081] See Figure 2 , the support mechanism 2 includes a support portion 23 and a frame body 24.

[0082] The support portion 23 serves as a bearing mechanism for supporting the frame body 24 and other components installed on the support mechanism 2. The support portion 23 is configured to be liftable or telescopic. There are various implementation manners for the support portion 23. For example, a telescopic arm is adopted to realize the height adjustment of the support mechanism 2, thereby changing the height of the bearing surface 21. Or, in some embodiments, the support portion 23 includes a fixed portion 231 and a lifting portion 232. The fixed portion 231 is generally a cuboid frame. The frame body 24 is installed on the lifting portion 232. The fixed portion 231 is fixed and placed on the bottom surface or other equipment. The fixed portion 231 is configured to provide support. The lifting portion 232 is installed on the fixed portion 231; the lifting portion 232 includes a plurality of mounting holes 2321 with different heights, and is connected to the fixed portion 231 through at least one mounting hole 2321. By selecting different mounting holes 2321, the height of the frame body 24 can be changed. And the mounting angle of the lifting portion 232 relative to the fixed portion 231 can also be adjusted. See Figure 2 the direction indicated by W2 in, so that the support mechanism 2 can better correspond to the conveying direction of the conveying mechanism 1 to more stably receive the bagged tobacco stems 5 conveyed from the conveying mechanism 1.

[0083] In some embodiments, the number of the lifting portions 232 is two. The structures of the two lifting portions 232 are the same. Each lifting portion 232 includes an adjusting rod 2322 and a fixing rod 2323. The adjusting rods 2322 are arranged in pairs. Each adjusting rod 2322 is connected to the fixed portion 231. The fixing rod 2323 is installed between a pair of adjusting rods 2322. Each lifting portion 232 is generally in an inverted U shape. Among them, the frame body 24 is rotatably installed between the fixing rods 2323 of the two lifting portions 232.

[0084] In some embodiments, the frame 24 includes at least two planar frames 241. Each planar frame 241 includes multiple connecting rods located in the same plane. The bottoms of the two planar frames 241 are fixedly connected, and the tops are separated from each other to form a V shape. The location of the connecting rods can support the bagged tobacco stems 5, and the gaps between the connecting rods serve as the material leakage holes 22. With this structure, the size of the material leakage holes 22 is very large, and the tobacco stems can quickly fall from the packaging bag, greatly improving the separation efficiency of the tobacco stems and the packaging bag.

[0085] A material receiving basket or a material receiving hopper is arranged at the bottom of the planar frame 241 to receive the tobacco stems leaking from the material leakage holes 22.

[0086] In some embodiments, the support mechanism 2 further includes a baffle plate assembly 233. The baffle plate assembly 233 is installed on the support portion 23. The baffle plate assembly 233 is configured to block the V-shaped ends of the two planar frames 241. The baffle plate assembly 233 includes at least two baffle plates 2331. The distance between the two baffle plates 2331 can be adjusted, and each baffle plate 2331 is rotatable relative to the frame 24. The baffle plate assembly 233 can adjust or even block other voids of the frame 24 except for the material leakage holes 22, so that after the whole bagged tobacco stems 5 are placed on the support mechanism 2, the bottom shape of the bagged tobacco stems 5 is relatively regular, and it also prevents the bagged tobacco stems 5 from falling from the V-shaped ends.

[0087] Continue to refer to Figure 2 , in some embodiments, the baffle plate 2331 is a flat plate without holes. The support portion 23 is made of aluminum profile. The two ends of the baffle plate 2331 are respectively connected to the bearing seats 2332 through rotating shafts, and each bearing seat 2332 can slide in the groove of the aluminum profile. The moving direction is shown by the arrow S3 in Figure 2 to adjust the distance between the baffle plates 2331. One of the baffle plates 2331 is rotatably installed at the V-shaped end of one end of the two planar frames 241, and the other baffle plate 2331 is rotatably installed at the V-shaped end of the other end of the two planar frames 241. Refer to Figure 2 the rotation direction indicated by the double-sided arc W1 in

[0088] Continue to refer to Figure 2 , in some embodiments, the bag grasping mechanism 3 includes a hook 31 and a support rod 32. The two ends are installed on the support mechanism 2. The hook 31 is slidably installed in the middle of the support rod 32. The hook 31 is installed on the support mechanism 2, and the position of the hook 31 is higher than the bearing surface 21 of the bagged tobacco stems 5. The hook 31 can be slid along the support rod 32 at will, so that the position of the hook 31 matches the position of the bagged tobacco stems 5 more, so as to hook the packaging bag more conveniently and prevent it from falling with the tobacco stems, which is beneficial to the separation of the stems and the bags.

[0089] Here's how to cut through the bottom of the bag.

[0090] See also Figure 2 and Figure 3 The cutter mechanism 4 is mounted on the support portion 23. The frame 24 is mounted on the support portion 23. The frame 24 is constructed to be concave, and the top surface of the frame 24 serves as the bearing surface 21. The frame 24 is located downstream of the conveying mechanism 1, and the height of the frame 24 is lower than the conveying surface of the conveying mechanism 1. The conveying direction of the bagged tobacco stems 5 is shown in FIG. Figure 1 , Figure 2 The movement direction of the cutter 41 is shown in FIG. Figure 2 As shown in S2.

[0091] The cutting mechanism 4 can use structures such as blades and spikes to cut through the packaging bag. After the packaging bag is cut open, the tobacco stems will stretch the opening and fall down until they are completely leaked out.

[0092] In some embodiments, the cutter 41 is slidably mounted on the support mechanism 2. The size of the cutter 41 itself can be set very small, and the bottom of the packaging bag can be cut over a long distance by moving the cutter 41, so that the cutting effect can be optimized, the leakage efficiency can be greatly improved, and the separation speed of the tobacco stems and packaging bags can be increased to meet the feeding speed requirements.

[0093] See also Figure 2 and Figure 3 In some embodiments, the cutting knife mechanism 4 further includes a cutting knife mounting frame 42 and a guide portion 43. The cutting knife mounting frame 42 is mounted on the supporting mechanism 2. One end of the cutting knife 41 is mounted on the cutting knife mounting frame 42; the guide portion 43 is mounted on the supporting mechanism 2, and the guide portion 43 is located at the top of the cutting knife mounting frame 42; the guide portion 43 includes a guide groove 431, and the other end of the cutting knife 41 extends out of the guide groove 431. The above method realizes the installation of the cutting knife 41, and the cutting knife 41 can only move along the guide groove 431 of the guide portion 43, so that the movement trajectory of the cutting knife 41 can be accurately controlled.

[0094] In some embodiments, the cutter mechanism 4 further includes an adjustment portion 44, which is linearly movable and mounted on the cutter mounting frame 42; and the adjustment portion 44 is located between the cutter mounting frame 42 and the cutter 41; the adjustment portion 44 is configured to be linearly movable relative to the cutter mounting frame 42 to change the length L of the cutter 41 extending out of the guide slot 431. The length of the cutter 41 extending out of the guide slot 431 corresponds to the depth of the cutter 41 entering the packaging bag. This structure allows the depth requirement of the blooming packaging bag to be met by adjusting the extension length of the cutter 41 for tobacco stems of different sizes, so as to better and faster separate the packaging bag and the tobacco stems.

[0095] See also Figure 2 and Figure 3, in some embodiments, the cutter mechanism 4 further includes a linear slide rail 45 and a driving part 46. The linear slide rail 45 is installed on the support mechanism 2; the cutter mounting frame 42 is slidably installed on the linear slide rail 45. The driving part 46 is drivingly connected to the cutter mounting frame 42 to drive the cutter mounting frame 42 to move relative to the linear slide rail 45. The driving part 46 is specifically, for example, an oil cylinder, a cylinder, a linear motor, etc.

[0096] In some embodiments, the cutter mounting frame 42 is provided with a threaded hole 421. The adjusting part 44 includes a lead screw 441 and a fixing part 442. The lead screw 441 is installed in the threaded hole 421; the fixing part 442 is threadedly connected to the lead screw 441 to switch the lead screw 441 and the cutter mounting frame 42 between the loosened and locked states. By rotating the lead screw 441, the position of the cutter 41 relative to the guide groove 431 can be adjusted, which is very convenient to adjust and the control is accurate.

[0097] See Figure 4 and Figure 5 , the embodiment of the present invention also provides a method for separating tobacco stems from tobacco bags, which is realized by using the tobacco stem and tobacco bag separation device provided by any technical solution of the present invention. The method for separating tobacco stems from tobacco bags includes the following steps:

[0098] Step S100: Convey the bagged tobacco stems 5 to the bearing surface 21 of the support mechanism 2.

[0099] Step S200: Use the bag grasping mechanism 3 to hook the top of the packaging bag of the bagged tobacco stems 5.

[0100] The above step S200 may specifically include adjusting the position of the cutter 41 of the cutter mechanism 4 relative to the packaging bag; moving the cutter 41 along one of the length and width directions of the packaging bag to cut open the packaging bag.

[0101] Step S300: Use the cutter mechanism 4 to cut open the bottom of the packaging bag.

[0102] The following introduces a detailed process of separating tobacco stems from tobacco bags.

[0103] 1. The belt conveyor 11 of the conveying mechanism 1 runs the bagged tobacco stems 5 towards the support mechanism 2 and slides down along the frame body 24 until it stops. If the sliding effect is poor, use the cutter mechanism 4 to break the packaging bag to separate the bag and the stems; adjust the frequency of the frequency converter 12, the inclination angle of the support mechanism 2, and the relationship between the two to find the best sliding state of the packaging bag.

[0104] 2. If the packaging bag slides down evenly and stably, observe whether the convex state of the packaging bag on the frame body 24 is regular. If not, use the cutter mechanism 4 to break the packaging bag to separate the bag and the stems; adjust the size of the gap between the hollow parts of the baffle plates 2331 to make the convex state of the packaging bag regular.

[0105] 3. If the lower convexity of the packaging bag is regular, the hook 31 of the bag grasping mechanism 3 hooks the plastic bag.

[0106] 4. Use the driving part 46 or manually push the cutter mounting bracket 42 to make the cutter 41 cut open a leak opening on the packaging bag from the bottom along the frame body 24 upwards, and the tobacco stems will fall immediately. Observe whether the bag cutting operation is smooth. If not, adjust the width of the guide groove 431, also known as the gap of the guide groove 431 or the distance that the cutter edge of the cutter 41 extends out of the guide groove 431, so as to cut the packaging bag better.

[0107] 5. Observe whether the tobacco stems have fallen completely and whether there is material accumulation at the side plate. If not, adjust the inclination angle of the baffle plate 2331 to prevent material accumulation.

[0108] 6. Manually remove the plastic bag from the hook 31.

[0109] For the above technical solutions, the width of the guide groove 431 and the distance that the cutter 41 extends out of the guide groove 431 can both be adjusted, and the installation position and inclination angle of the baffle plate 2331 can also be adjusted, reducing or even avoiding the occurrence of repeated modification or optimization of the structure, and preventing the interruption or even delay of the feeding operation to the greatest extent. Moreover, the above technical solutions meet the requirements for the processes of self-sliding, bag supporting, bag grasping, and bag breaking of the bagged tobacco stems 5; can quickly and efficiently optimize the structure or adjust parameters for problems such as unsmooth actions occurring during the process; reduce the test cost and shorten the test cycle; and improve the efficiency of separating the bags and stems of the bagged tobacco stems 5.

[0110] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for facilitating the description of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the protection content of the present invention.

[0111] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features, but these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A tobacco stem and tobacco bag separating device, characterized in that, it includes: a conveying mechanism (1), configured to convey bagged tobacco stems (5); a supporting mechanism (2), installed downstream of the conveying mechanism (1); the supporting mechanism (2) includes a bearing surface (21) for bearing the bagged tobacco stems (5) and a material leakage hole (22); the bearing surface (21) is lower than the conveying surface of the conveying mechanism (1), or the bearing surface (21) is flush with the conveying surface of the conveying mechanism (1); a bag grasping mechanism (3), installed on the supporting mechanism (2) or located near the supporting mechanism (2); the bag grasping mechanism (3) is configured to grasp the top of the packaging bag of the bagged tobacco stems (5); and a cutter mechanism (4), including a cutter (41); the cutter (41) is located near the bearing surface (21), and the cutter (41) is configured to cut open the bottom of the packaging bag; wherein, the supporting mechanism (2) further includes: a supporting part (23), configured to be liftable or telescopic; the cutter mechanism (4) is installed on the supporting part (23); and a frame body (24), installed on the supporting part (23), the frame body (24) is configured to be concave, and the top surface of the frame body (24) serves as the bearing surface (21); the frame body (24) is located downstream of the conveying mechanism (1), and the height of the frame body (24) is lower than the conveying surface of the conveying mechanism (1); the frame body (24) includes: at least two planar frames (241), each planar frame (241) includes multiple connecting rods located in the same plane; the bottoms of the two planar frames (241) are fixedly connected, and the tops are separated from each other to form a V shape; the supporting mechanism (2) further includes: a baffle plate assembly (233), installed on the supporting part (23); the baffle plate assembly (233) is configured to block the V-shaped ends of the two planar frames (241); the baffle plate assembly (233) includes at least two baffle plates (2331), and the distance between the two baffle plates (2331) is configured to be adjustable.

2. The tobacco stem and tobacco bag separating device according to claim 1, characterized in that, the cutter (41) is slidably installed on the supporting mechanism (2).

3. The tobacco stem and tobacco bag separating device according to claim 2, characterized in that, the cutter mechanism (4) further includes: a cutter mounting bracket (42), installed on the supporting mechanism (2); one end of the cutter (41) is installed on the cutter mounting bracket (42); and a guiding part (43), installed on the supporting mechanism (2), and the guiding part (43) is located on top of the cutter mounting bracket (42); the guiding part (43) includes a guiding groove (431), and the other end of the cutter (41) extends out of the guiding groove (431).

4. The tobacco stem and tobacco bag separating device according to claim 3, characterized in that, the cutter mechanism (4) further includes: Adjusting part (44), which is installed on the cutter mounting bracket (42) in a linearly movable manner; and the adjusting part (44) is located between the cutter mounting bracket (42) and the cutter (41); the adjusting part (44) is configured to linearly move relative to the cutter mounting bracket (42) to change the length of the cutter (41) protruding from the guiding groove (431).

5. The tobacco stem and tobacco bag separating device according to claim 4, wherein, the cutter mounting bracket (42) is provided with a threaded hole (421); the adjusting part (44) includes: a lead screw (441), which is installed in the threaded hole (421); and a fixing member (442), which is threadedly connected to the lead screw (441) to switch the lead screw (441) and the cutter mounting bracket (42) between a loosened state and a locked state.

6. The tobacco stem and tobacco bag separating device according to claim 3, wherein, the cutter mechanism (4) further includes: a linear slide rail (45), which is installed on the support mechanism (2); the cutter mounting bracket (42) is slidably installed on the linear slide rail (45); and a driving part (46), which is drivingly connected to the cutter mounting bracket (42) to drive the cutter mounting bracket (42) to move relative to the linear slide rail (45).

7. The tobacco stem and tobacco bag separating device according to claim 1, wherein, the support part (23) includes: a fixing part (231), which is configured to provide support; and a lifting part (232), which is installed on the fixing part (231); the lifting part (232) includes a plurality of mounting holes (2321) with different heights, and is connected to the fixing part (231) through at least one mounting hole (2321), or the lifting part (232) is configured to be telescopic; the frame body (24) is installed on the lifting part (232).

8. The tobacco stem and tobacco bag separating device according to claim 7, wherein, the lifting part (232) further includes: adjusting rods (2322), which are arranged in pairs; each of the adjusting rods (2322) is connected to the fixing part (231); and a fixing rod (2323), which is installed between a pair of the adjusting rods (2322); wherein, there are two pairs of the lifting parts (232), and the frame body (24) is rotatably installed between the fixing rods (2323) of the two lifting parts (232).

9. The tobacco stem and tobacco bag separating device according to claim 1, wherein, each of the blocking plates (2331) is rotatably installed on the support part (23) and can slide along the support part (23); one of the blocking plates (2331) is located at the V-shaped end of one end of the two planar frames (241), and the other blocking plate (2331) is located at the V-shaped end of the other end of the two planar frames (241).

10. The tobacco stem and tobacco bag separating device according to claim 1, wherein, the conveying mechanism (1) includes: a belt conveyor (11); and A frequency converter (12) is drivingly connected to the belt conveyor (11) to change the conveying speed of the belt conveyor (11).

11. The tobacco stem and tobacco bag separating device according to claim 1, characterized in that the bag grasping mechanism (3) includes: a hook (31), the position of the hook (31) being higher than the bearing surface (21) of the bagged tobacco stem (5); and a support rod (32) with both ends mounted on the support mechanism (2); the hook (31) is slidably mounted in the middle of the support rod (32).

12. A method for separating tobacco stems and tobacco bags, characterized in that it is implemented by using the tobacco stem and tobacco bag separating device according to any one of claims 1 to 11, and the method for separating tobacco stems and tobacco bags includes the following steps: Convey the bagged tobacco stem (5) onto the bearing surface (21) of the support mechanism (2); Use the bag grasping mechanism (3) to hook the top of the packaging bag of the bagged tobacco stem (5); Use the cutter mechanism (4) to cut open the bottom of the packaging bag.

13. The method for separating tobacco stems and tobacco bags according to claim 12, characterized in that the step of using the cutter mechanism (4) to cut open the bottom of the packaging bag includes the following steps: Adjust the position of the cutter (41) of the cutter mechanism (4) relative to the packaging bag; Move the cutter (41) along one of the length and width directions of the packaging bag to cut open the packaging bag.

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