Cut tobacco box opening equipment

Abstract

The utility model relates to the technical field of cigarette manufacturing, in particular to tobacco shred box opening equipment which comprises a paper box warehouse used for containing ununfolded tobacco shred boxes and a box opening mechanism used for opening the ununfolded tobacco shred boxes into unfolded tobacco shred boxes. The bottom folding mechanism is used for folding the bottom folded edge of the unfolded tobacco shred box to form a bottom-folded tobacco shred box, and the conveying mechanism is used for conveying the bottom-folded tobacco shred box to the next link; the box opening and bottom sealing functions of the tobacco shred box are integrated, and the bottom edge of the tobacco shred box can be automatically folded on the same station after the tobacco shred box is unfolded, so that the material carrying steps and the occupied area of the system are reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cigarette manufacturing, in particular to a tobacco box opening device. Background Art

[0002] Currently, the tobacco industry packs cut tobacco into boxes before shipping it to other workshops in the tobacco factory. The first step in this boxing process is to remove the unopened cartons from the carton warehouse, unfold them, fold the bottom hem, and seal the bottom. Afterwards, the sealed tobacco boxes proceed to the next stage, including bagging.

[0003] The utility model patent with authorization announcement number CN 220809994 U discloses an automatic carton opener for standard cigarettes, including a base, a fixed plate fixed to the top of the base by bolts, and a movable plate driven by a reel-up machine for displacement in a sliding manner on the side of the top of the base away from the fixed plate; the utility model adjusts the support plate to an appropriate height according to the height of the carton raw material to be unpacked, and a first motor drives two sets of clamping plates to clamp and limit the carton raw material, so that the carton opener can clamp and place carton raw materials of different specifications, and thus can be suitable for unpacking carton raw materials of different specifications, with high applicability, and drives the suction plate to move toward the carton raw material by a second motor and starts the vacuum suction cup to adsorb the carton raw material, and then drives the suction plate and the carton raw material to move in the opposite direction by a second motor, and makes the carton raw material contact the unpacking limit strip during movement, so that the carton raw material is opened along the fold by utilizing the obstruction of the unpacking limit strip, thereby realizing automatic unpacking.

[0004] However, this device still has its limitations. It can only open the unexpanded tobacco box. To unfold the box, the bottom edge of the tobacco box must be folded again. This not only lengthens the entire packaging and sealing production line process, but also increases the floor space of the entire packaging and sealing system, resulting in low work efficiency. Utility Model Content

[0005] In order to solve the problems existing in the prior art, the utility model provides a tobacco box opening device, which integrates the functions of opening and sealing the bottom of the tobacco box. After the tobacco box is unfolded, the bottom edge of the tobacco box can be automatically folded at the same workstation, thereby reducing the material handling steps and the system footprint, and improving production efficiency.

[0006] The technical solution to the problem solved by the present invention is to provide a tobacco box opening device, including a cardboard box library for accommodating unexpanded tobacco boxes, an opening mechanism for opening the unexpanded tobacco box into an expanded tobacco box, a bottom folding mechanism for folding the bottom folded edge of the expanded tobacco box to make it a folded-bottom tobacco box, and a conveying mechanism for conveying the folded-bottom tobacco box to the next link.

[0007] Furthermore, the tobacco box opening device provided by the present invention may also have the following feature: the carton library includes a blocking wheel for stopping the unopened tobacco box from leaving the carton library.

[0008] Furthermore, the tobacco box unpacking equipment provided by the present invention may also have the following characteristics: the carton library includes a fixing structure for fixing the unexpanded tobacco boxes, the fixing structure includes a supporting member, and several unexpanded tobacco boxes are stacked on the supporting member; the fixing structure also includes a pressing plate, the pressing plate abuts against the unexpanded tobacco boxes, and can be moved along the stacking direction of several unexpanded tobacco boxes.

[0009] Furthermore, the tobacco box opening device provided by the present invention may also have the following characteristics: the supporting member includes two supporting plates respectively provided on both sides of the unexpanded tobacco box, and the distance between the two supporting plates is adjustable.

[0010] Furthermore, the tobacco box opening device provided by the present invention may also have the following characteristics: the fixed structure further includes two guardrails respectively provided on both sides of the bearing member, and the distance between the two guardrails is adjustable.

[0011] Furthermore, the tobacco box opening equipment provided by the present invention may also have the following characteristics: the opening mechanism includes a suction cup assembly arranged on the opposite side of the carton warehouse and a moving assembly for driving the suction cup assembly to move in a direction away from the carton warehouse, and the suction cup assembly includes at least one suction cup component for adsorbing the unexpanded tobacco box.

[0012] Furthermore, the tobacco box opening device provided by the present invention may also have the following characteristics: the opening mechanism also includes a limit plate, the limit plate is arranged on one side of the unfolded tobacco box, and its length direction extends along the moving direction of the suction cup assembly.

[0013] Furthermore, the tobacco box opening equipment provided by the present invention may also have the following characteristics: the bottom folding edge includes two oppositely arranged inner pages and two oppositely arranged outer pages, and the bottom folding mechanism includes two inner page folding components for folding the inner pages and two outer page folding components for folding the outer pages.

[0014] Furthermore, the tobacco box opening equipment provided by the present invention may also have the following characteristics: the inner page folding assembly includes an inner page folding part for pushing the inner page to move toward the center of the tobacco box, and an inner page driving part for driving the inner page folding part to move; the outer page folding assembly includes an outer page folding part for pushing the outer page to move toward the center of the tobacco box, and an outer page driving part for driving the outer page folding part to move.

[0015] Furthermore, the tobacco box opening equipment provided by the present invention may also have the following characteristics: the inner page folding piece and the outer page folding piece are both cylindrical structures, the cylindrical surface of the inner page folding piece abuts against the inner page, and the cylindrical surface of the outer page folding piece abuts against the outer page.

[0016] The beneficial effects of the utility model are:

[0017] 1. In this application, by integrating the box opening mechanism and the bottom folding mechanism, the bottom edge of the tobacco box can be automatically folded at the same workstation after the tobacco box is unfolded, thereby reducing the material handling steps and the system footprint, and significantly improving the production efficiency of the box filling and sealing process.

[0018] 2. In the present application, by providing a pressure plate that can move as the stacking thickness of the unexpanded tobacco box decreases, it can be ensured that as the tobacco box is taken out, its stack still has good stability, thereby ensuring that the unexpanded tobacco box is always in the best position when it is taken out, which helps to improve the opening efficiency and expansion effect of the opening mechanism.

[0019] 3. In the present application, by providing pallets with adjustable spacing and guardrails with adjustable spacing, the carton warehouse can accommodate tobacco boxes of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings, which are incorporated into and constitute a part of the specification, illustrate embodiments of the present invention and, together with the description, serve to explain the principles of the present invention. In these drawings, similar reference numerals are used to represent similar elements. The drawings described below are some embodiments of the present invention, but not all. Those skilled in the art can derive other drawings from these drawings without inventive effort.

[0021] Figure 1 It is a structural diagram of the utility model;

[0022] Figure 2 This is a structural diagram of the carton library of the present invention from a first perspective;

[0023] Figure 3 This is a structural diagram of the carton library of the present invention from a second perspective;

[0024] Figure 4 This is a schematic structural diagram of the frame of the utility model;

[0025] Figure 5 This is a structural diagram of the unpacking mechanism of the present invention;

[0026] Figure 6 This is a schematic structural diagram of the inner folding page assembly of the present invention;

[0027] Figure 7 This is a schematic structural diagram of the outer page folding assembly of the present invention;

[0028] Figure 8 It is a structural schematic diagram of the conveying mechanism of the present utility model.

[0029] In the picture:

[0030] 100, carton storage; 110, blocking wheel; 121, first guardrail; 122, second guardrail; 130, bearing member; 131, first pallet; 132, second pallet; 133, frame; 140, fixed structure; 141, pressure plate; 142, guide shaft; 150, detection member; 160, movable structure; 161, slide rail; 162, slide plate; 163, handwheel; 164, screw; 200, unpacking mechanism; 210, suction cup assembly; 211, suction cup Components; 220, moving component; 221, suction cup guide rail; 222, motor; 230, limit plate; 310, inner page folding component; 311, inner page folding part; 312, first cylinder; 313, first moving rod; 314, bottom folding guide rail; 315, sliding arm; 320, outer page folding component; 321, outer page folding part; 322, second cylinder; 323, second moving rod; 324, swing arm; 400, conveying mechanism; 410, conveyor belt; 500, frame. DETAILED DESCRIPTION

[0031] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0032] The utility model provides a tobacco box opening device, the specific structure of which is as follows:

[0033] See Figures 1 to 8 The tobacco box opening equipment includes a carton storage 100 for accommodating unexpanded tobacco boxes, an opening mechanism 200 for opening an unexpanded tobacco box into an expanded tobacco box, a bottom folding mechanism for folding the bottom hem of the expanded tobacco box to form a folded-bottom tobacco box, and a conveying mechanism 400 for conveying the folded-bottom tobacco box to the next stage. By integrating the opening mechanism 200 and the folding mechanism, the present invention can automatically fold the bottom hem of the tobacco box at the same workstation after the tobacco box is expanded, thereby reducing material handling steps and system footprint, significantly improving the production efficiency of the box filling and sealing process.

[0034] See Figure 2 and Figure 3 The carton storehouse 100 includes a stopper wheel 110 for stopping the unexpanded tobacco boxes from leaving the carton storehouse 100 and a fixed structure 140 for fixing the unexpanded tobacco boxes. The fixed structure 140 includes a bearing 130 and two guardrails. Several unexpanded tobacco boxes (not shown in the figure) are stacked vertically on the bearing 130. The two guardrails are provided on both sides of the bearing 130 to limit the position of the unexpanded tobacco boxes. The fixed structure 140 also includes a pressing plate 141, which abuts against the unexpanded tobacco boxes and can move along the stacking direction of the several unexpanded tobacco boxes. In order to realize the automatic movement of the pressing plate 141, the fixed structure 140 also includes a guide shaft 142. The length direction of the guide shaft 142 is the same as the stacking direction of the unexpanded tobacco boxes. The pressing plate 141 is provided on the guide shaft 142 through a linear bearing. The carton storehouse 100 also includes a detection member 150 for detecting the stacking thickness of the unexpanded tobacco boxes. During use, as the unexpanded tobacco boxes leave the carton library 100, the stacking thickness of several unexpanded tobacco boxes gradually decreases. After detection by the detection member 150 and a signal is given, the pressure plate 141 moves on the guide shaft 142 and maintains contact with the unexpanded carton.

[0035] See Figure 3The supporting member 130 includes two supporting plates respectively arranged on both sides of the unexpanded tobacco box, and the distance between the two supporting plates is adjustable. Specifically, the supporting member 130 includes a frame 133, a first supporting plate 131 fixedly arranged on one side of the frame 133, and a second supporting plate 132 movably arranged on the other side of the frame 133. The second supporting plate 132 is movably connected to the frame 133 through a movable structure 160. The movable structure 160 includes two mutually parallel slide rails 161, a sliding plate 162 connected to the two slide rails 161, and a driving member for driving the sliding plate 162 to slide on the slide rails 161. The two slide rails 161 are fixedly arranged on the frame 133 and their guiding directions extend along the length direction of the unexpanded tobacco box. Both ends of the sliding plate 162 are connected to the second supporting plate 132. The drive member can be either manual or electric. The present invention preferably uses a manual drive member, which includes a screw 164 and a handwheel 163. The handwheel 163 is connected to the screw 164 via a screw 164 clamp. The screw 164 is connected to the sliding plate 162, and the screw 164 is parallel to the slide rail 161. When the handwheel 163 rotates, the screw 164 rotates, driving the sliding plate 162 to move on the slide rail 161, driving the second support plate 132 to move along the guide direction of the slide rail 161, thereby adjusting the distance between the second support plate 132 and the first support plate 131 to accommodate tobacco boxes of different specifications. Furthermore, the distance between the two guardrails is adjustable. The two guardrails are a first guardrail 121 fixedly arranged on one side of the frame 133 and a second guardrail 122 movably arranged on the other side of the frame 133. The second guardrail 122 is connected to the second support plate 132. When the second support plate 132 moves, the second guardrail 122 moves accordingly, ensuring that the fixed structure 140 can play a limiting role when facing tobacco boxes of different sizes.

[0036] See Figure 4 and Figure 5 The unpacking mechanism 200 includes a suction cup assembly 210 located on the opposite side of the carton storage 100, a moving assembly 220 for driving the suction cup assembly 210 to move in a direction away from the carton storage 100, and a limiting plate 230. The suction cup assembly 210 includes at least one suction cup member 211 for adsorbing an unexpanded tobacco box. To ensure that the suction cup member 211 has sufficient suction force, the number of suction cup members 211 is preferably six. The moving assembly 220 includes a suction cup guide rail 221 and a motor 222. The guide direction of the suction cup guide rail 221 extends in a direction away from the carton storage 100. The suction cup assembly 210 is located on the suction cup guide rail 221, and the motor 222 drives the suction cup assembly 210 to move on the suction cup guide rail 221. The limiting plate 230 is located on the side of the unfolded tobacco box, and its length direction extends along the moving direction of the suction cup assembly 210. During use, multiple suction cups 211 jointly absorb one side of the unexpanded tobacco box, move in a direction away from the carton library 100, and pull open one side of the unexpanded tobacco box with the assistance of the limiting plate 230, thereby realizing the process of opening the unexpanded tobacco box into an expanded tobacco box.

[0037] See Figure 1 、 Figure 6 and Figure 7 The bottom flap of the unfolded tobacco box (not shown) comprises two opposing inner pages and two opposing outer pages. The bottom folding mechanism comprises two inner page folding assemblies 310 for folding the inner pages and two outer page folding assemblies 320 for folding the outer pages. The inner page folding assemblies 310 include inner page folding members 311 for pushing the inner pages toward the center of the tobacco box and an inner page driving member for driving the inner page folding members 311. The outer page folding assemblies 320 include outer page folding members for pushing the outer pages toward the center of the tobacco box and an outer page driving member for driving the outer page folding members. Specifically, the tobacco box opening device includes a frame 500; an inner leaf driving member includes a first cylinder 312, a first moving rod 313, a folding bottom guide rail 314, and a sliding arm 315. One end of the sliding arm 315 is set on the folding bottom guide rail 314 and the other end is connected to the inner leaf folding member 311. The first cylinder 312 drives the first moving rod 313 to extend and retract. The first moving rod 313 is connected to the sliding arm 315. The outer leaf driving member includes a second cylinder, a second moving rod, and a swing arm. One end of the swing arm is rotatably set on the frame 500 and the other end is connected to the outer leaf folding member. The second cylinder drives the second moving rod to extend and retract. The second moving rod is connected to the swing arm. When in use, the first cylinder 312 drives the first moving rod 313, driving the sliding arm 315 to slide along the folding bottom guide rail 314, moving the inner leaf folding member 311 and pushing the inner leaf toward the center of the tobacco box. After the inner leaf is folded, the second cylinder drives the second moving rod to extend and retract, driving the swing arm to rotate, moving the outer leaf folding member and pushing the outer leaf toward the center of the tobacco box. Preferably, both the inner leaf folding member 311 and the outer leaf folding member are cylindrical structures, with the cylindrical surface of the inner leaf folding member 311 abutting the inner leaf, and the cylindrical surface of the outer leaf folding member abutting the outer leaf, to avoid damaging the tobacco box.

[0038] like Figure 8 As shown, the conveying mechanism 400 includes two conveyor belts 410 arranged on both sides of the folded bottom tobacco box. Compared with a complete wide conveyor belt 410, the two conveyor belts 410 can provide more space for the arrangement of various components of the equipment while ensuring structural strength and rigidity.

[0039] The contents described above can be implemented individually or in combination in various ways, and these variations are all within the scope of protection of the present invention.

[0040] In the description of the invention, it should be noted that relational terms such as first and second, etc. are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprising a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element.

[0041] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "front," "back," "top," "bottom," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. In the description of the present invention, unless otherwise specified, "several" means two or more.

[0042] The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and the specific embodiments of the present invention are not limited to these descriptions. For those skilled in the art of the present invention, several simple deductions or substitutions can be made without departing from the concept of the present invention, and all of these should be considered to fall within the scope of protection of the present invention.

Claims

1. A tobacco box opening device, characterized in that: The invention comprises a carton storehouse (100) for accommodating unexpanded tobacco boxes, a box opening mechanism (200) for opening the unexpanded tobacco boxes into expanded tobacco boxes, a bottom folding mechanism for folding the bottom folding edge of the expanded tobacco boxes to make them into folded-bottom tobacco boxes, and a conveying mechanism (400) for conveying the folded-bottom tobacco boxes to the next link.

2. The tobacco box opening device according to claim 1, characterized in that: The carton store (100) comprises a blocking wheel (110) for stopping the unexpanded tobacco box from leaving the carton store (100).

3. The tobacco box opening device according to claim 1, characterized in that: The carton library (100) includes a fixing structure (140) for fixing the unexpanded tobacco boxes, the fixing structure (140) includes a supporting member (130), and a plurality of the unexpanded tobacco boxes are stacked on the supporting member (130); the fixing structure (140) also includes a pressing plate (141), the pressing plate (141) abuts against the unexpanded tobacco boxes and can move along the stacking direction of the plurality of the unexpanded tobacco boxes.

4. The tobacco box opening device according to claim 3, characterized in that: The supporting member (130) comprises two supporting plates respectively arranged on both sides of the unexpanded tobacco box, and the distance between the two supporting plates is adjustable.

5. The tobacco box opening device according to claim 4, characterized in that: The fixed structure (140) further comprises two guardrails respectively arranged on both sides of the bearing member (130), and the distance between the two guardrails is adjustable.

6. The tobacco box opening device according to claim 1, characterized in that: The carton opening mechanism (200) comprises a suction cup assembly (210) provided on the opposite side of the carton storage (100) and a moving assembly (220) for driving the suction cup assembly (210) to move in a direction away from the carton storage (100); the suction cup assembly (210) comprises at least one suction cup member (211) for adsorbing the unexpanded tobacco box.

7. The tobacco box opening device according to claim 6, characterized in that: The box opening mechanism (200) further comprises a limiting plate (230), wherein the limiting plate (230) is provided on one side of the unfolded tobacco box, and its length direction extends along the moving direction of the suction cup assembly (210).

8. The tobacco box opening device according to claim 1, characterized in that: The bottom folding edge comprises two oppositely arranged inner pages and two oppositely arranged outer pages, and the bottom folding mechanism comprises two inner page folding components (310) for folding the inner pages and two outer page folding components (320) for folding the outer pages.

9. The tobacco box opening device according to claim 8, characterized in that: The inner page folding assembly (310) includes an inner page folding member (311) for pushing the inner page to move toward the center of the tobacco box, and an inner page driving member for driving the inner page folding member to move; the outer page folding assembly (320) includes an outer page folding member (321) for pushing the outer page to move toward the center of the tobacco box, and an outer page driving member for driving the outer page folding member to move.

10. The tobacco box opening device according to claim 9, characterized in that: The inner page folding piece (311) and the outer page folding piece (321) are both cylindrical structures; the cylindrical surface of the inner page folding piece (311) abuts against the inner page, and the cylindrical surface of the outer page folding piece (321) abuts against the outer page.

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