A wrapping film packer for cartons

Abstract

The application discloses a wrapping film packaging machine suitable for cartons, which comprises a first clamping unit, a wrapping unit and a second clamping unit arranged in sequence, a stacked carton is placed on a first turnover assembly, two sides of the stacked carton are clamped by a first positioning assembly, the first positioning assembly cooperates with a first side plate to fix the horizontal position of the stacked carton, a first pressing assembly is used to press the stacked carton on the first turnover assembly, so that the stacked carton is fixed, the wrapping unit is used to wrap the stacked carton along with the movement of a first supporting plate, one end of the wrapped carton is clamped by the second clamping unit, and the first clamping unit is reset, so that the wrapping unit is used to completely wrap the stacked carton. The application is used for cold packaging of the stacked carton, protects the cartons from being damaged, effectively avoids environmental pollution in the packaging process, and reduces the packaging production cost.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of product packaging equipment and its peripheral facilities, in particular to a wrapping film packaging machine suitable for cigarette cartons. BACKGROUND

[0002] Tobacco products are first packaged before being sold. Tobacco packaging boxes are generally divided into two types: one is long strip packaging, and the other is bulk packaging. Among them, long strip packaging of tobacco is more common. In order to improve the sales of tobacco and adapt to the different needs of different smoking populations, tobacco companies have subdivided the specifications of cigarette cartons, among which there are many special cigarette cartons with sizes different from conventional cigarette cartons. When logistics and distribution are carried out, multiple cigarettes of each order need to be packed, and the existence of special cigarette cartons directly leads to problems such as difficulty in packaging and sorting, low efficiency, and high cost for tobacco logistics and distribution enterprises.

[0003] At present, most of the machines for packaging cigarette cartons are heat packaging machines, i.e. heat shrinkage method. However, this method has the problem that when the film is heated, it will produce a certain odor, which is not environmentally friendly, and the heating process will consume a large amount of electricity, resulting in high cost.

[0004] Therefore, how to change the current situation that the existing technology uses heat packaging method for cigarette packaging, which has high energy consumption and poor environmental protection, has become a problem to be solved by the technical personnel in the field. SUMMARY

[0005] The purpose of the present application is to provide a wrapping film packaging machine suitable for cigarette cartons, in order to solve the problems existing in the prior art, realize cold packaging of cigarette cartons, save packaging cost, and reduce environmental pollution.

[0006] To achieve the above purpose, the present application provides the following scheme: the present application provides a wrapping film packaging machine suitable for cigarette cartons, which comprises the following sequentially arranged:

[0007] A first clamping unit, the first clamping unit comprises a first rack, a first support plate, a first side plate, a first positioning assembly, a first pressing assembly and a first turnover assembly, the first support plate is slidably arranged on the first rack, the first side plate is connected with the first support plate, the first positioning assembly is movably connected with the first side plate, the first positioning assembly cooperates with the first side plate to fix the horizontal position of the cigarette stack, the first pressing assembly is arranged on the first support plate, the first pressing assembly cooperates with the first turnover assembly to fix the vertical position of the cigarette stack, and the first turnover assembly is rotatably connected with the first support plate;

[0008] A wrapping unit, the wrapping unit can wrap the cigarette stack;

[0009] A second clamping unit is located on the two sides of the winding unit, and is capable of fixing one end of the cigarette stack away from the first clamping unit.

[0010] Preferably, the winding film packaging machine for the cigarettes further comprises a feeding unit located on one side of the first clamping unit, the feeding unit comprising an electric push rod and a transition plate, the transition plate being connected with the first clamping unit, and the electric push rod being capable of pushing the cigarette stack to the first clamping unit, and the transition plate being arranged between the feeding unit and the first clamping unit.

[0011] Preferably, the first positioning assembly comprises a first positioning head and a first positioning plate, the first positioning head being slidably connected with the first side plate, and the first positioning plate being hingedly connected with the first side plate, the first positioning head and the first positioning plate being respectively located at the two ends of the first side plate, the reciprocating movement direction of the first positioning head relative to the first side plate being parallel to the movement direction of the electric push rod, the hinged axis of the first positioning plate relative to the first side plate being perpendicular to the movement direction of the electric push rod, and the first positioning head and the first positioning plate both being located on the side of the first side plate close to the winding unit.

[0012] Preferably, the first positioning assembly further comprises a first driver arranged on the first support plate, the first driver being connected with a lead screw and a nut, the lead screw being threadedly connected with the nut, one end of the lead screw away from the first driver being connected with a bearing and a bearing seat, the first positioning head being arranged with a connecting block, the first side plate being arranged with a sliding groove matched with the connecting block, the connecting block being slidably connected with the nut after passing through the sliding groove, and the axis of the lead screw being parallel to the length direction of the sliding groove.

[0013] The first positioning head comprises a first body and a first contact head, the first body being connected with the connecting block, and the first contact head being slidably connected with the first body, and an elastic member being arranged between the first body and the first contact head.

[0014] Preferably, the first positioning assembly further comprises a second driver arranged on the first support plate, the second driver being connected with the first positioning plate by means of a first connecting rod, the second driver being hingedly connected with one end of the first connecting rod, and the other end of the first connecting rod being connected with the first positioning plate.

[0015] The second driver is connected with a mounting seat fixed to the first support plate.

[0016] Preferably, the first pressing assembly comprises a mounting frame, a third driver, a second body and a second contact head, the mounting frame is fixed on the first support plate, the third driver is connected with the mounting frame, the third driver is connected with the second body, the third driver can drive the second body to reciprocate in the vertical direction, the second contact head is slidably arranged on the top of the second body, and elastic members are arranged between the second contact head and the second body; the second body and the second contact head are located on the side of the first side plate close to the winding unit;

[0017] The third driver is connected with the second body through a second connecting rod, and the first side plate has an opening allowing the second connecting rod to pass through; the third driver is in one-to-one correspondence with the second body, and the number of the second contact heads connected with each second body is multiple.

[0018] Preferably, the first pressing assembly comprises a mounting frame, a third driver, a second body and a second contact head, the mounting frame is fixed on the first support plate, the third driver is connected with the mounting frame, the third driver is connected with the second body, the third driver can drive the second body to reciprocate in the vertical direction, the second contact head is slidably arranged on the top of the second body, and elastic members are arranged between the second contact head and the second body; the second body and the second contact head are located on the side of the first side plate close to the winding unit;

[0019] Preferably, the first pressing assembly further comprises a fourth driver and a fifth driver, the fourth driver and the fifth driver are connected with the first rack, the fourth driver is connected with a first supporting rod, the first end of the first supporting rod is hinged with the first rack, the second end of the first supporting rod abuts against the first turning plate, the fourth driver is hinged with the first supporting rod, the fifth driver is hinged with the second supporting rod, and the hinged point of the fifth driver and the second supporting rod is located between the first end of the second supporting rod and the second end of the second supporting rod.

[0020] The fifth driver is connected with a second supporting rod, the first end of the second supporting rod is hinged with the first support plate, the second end of the second supporting rod abuts against the second turning plate, the fifth driver is hinged with the second supporting rod, and the hinged point of the fifth driver and the second supporting rod is located between the first end of the second supporting rod and the second end of the second supporting rod.

[0021] Preferably, the feeding unit further comprises a conveying device capable of moving the cigarette stack, the moving direction of the conveying device being perpendicular to the axis of the electric push rod; the conveying device comprises partitions, the adjacent partitions being capable of accommodating the cigarette stack, and the transition plate is located between the conveying device and the first clamping unit.

[0022] Preferably, the second clamping unit comprises a second rack, a second support plate, a second side plate, a second positioning assembly, a second pressing assembly and a second turnover assembly, the second rack has the same structure as the first rack, the second support plate has the same structure as the first support plate, the second side plate has the same structure as the first side plate, the second positioning assembly has the same structure as the first positioning assembly, the second pressing assembly has the same structure as the first pressing assembly, and the second turnover assembly comprises a third turnover plate, the third turnover plate being hinged to the second support plate, and the second positioning assembly, the second pressing assembly and the second turnover assembly are arranged on the side of the second side plate close to the winding unit.

[0023] The present application has the following technical effects compared with the prior art: the wrapping film packaging machine for cigarette stacks of the present application comprises a first clamping unit, a winding unit and a second clamping unit arranged in sequence, wherein the first clamping unit comprises a first rack, a first support plate, a first side plate, a first positioning assembly, a first pressing assembly and a first turnover assembly, the first support plate is slidably arranged on the first rack, the first side plate is connected to the first support plate, the first positioning assembly is movably connected to the first side plate, the first positioning assembly and the first side plate cooperate to fix the horizontal position of the cigarette stack, the first pressing assembly is arranged on the first support plate, the first pressing assembly cooperates with the first turnover assembly to fix the vertical position of the cigarette stack, and the first turnover assembly is rotatably connected to the first support plate; the winding unit is capable of wrapping and packaging the cigarette stack; the second clamping unit and the first clamping unit are located on both sides of the winding unit, and the second clamping unit is capable of fixing the end of the cigarette stack away from the first clamping unit.

[0024] The wrapping film packaging machine suitable for the cigarette carton of the present application works, the stacked cigarette carton is placed on the first turnover assembly, and the stacked cigarette carton abuts against the first side plate, the two sides of the stacked cigarette carton are clamped by the first positioning assembly, the horizontal position of the stacked cigarette carton is fixed by the cooperation of the first positioning assembly and the first side plate, and the stacked cigarette carton is pressed on the first turnover assembly by the first pressing assembly, so as to fix the stacked cigarette carton, the first support plate drives the stacked cigarette carton, the first positioning assembly, the first pressing assembly and the first turnover assembly to move towards the direction of the wrapping unit, the first turnover assembly is turned over to avoid affecting the work of the wrapping unit, the wrapping unit wraps the stacked cigarette carton along with the movement of the first support plate, one end of the packaged cigarette is clamped by the second clamping unit, and the first clamping unit is reset, so that the wrapping unit can completely wrap the stacked cigarette carton. The present application performs cold packaging on the stacked cigarette carton, protects the cigarette from being damaged, effectively avoids environmental pollution in the packaging process, and has the advantages of convenient operation, improved packaging processing efficiency and reduced packaging production cost. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0026] Figure 1 The structure diagram of the wrapping film packaging machine suitable for the cigarette carton of the present application;

[0027] Figure 2 The top view diagram of the wrapping film packaging machine suitable for the cigarette carton of the present application;

[0028] Figure 3 The schematic diagram of the feeding unit of the wrapping film packaging machine suitable for the cigarette carton of the present application;

[0029] Figure 4 The schematic diagram of the electric push rod of the wrapping film packaging machine suitable for the cigarette carton of the present application;

[0030] Figure 5 The structure diagram of the first clamping unit of the wrapping film packaging machine suitable for the cigarette carton of the present application;

[0031] Figure 6 The partial structure diagram of the first clamping unit of the wrapping film packaging machine suitable for the cigarette carton of the present application Figure 1 ;

[0032] Figure 7Structure diagram of the first pressing assembly of the wrapping film packaging machine for cigarette cartons according to the present application;

[0033] Figure 8 Structure diagram of the first positioning assembly of the wrapping film packaging machine for cigarette cartons according to the present application Figure 1 ;

[0034] Figure 9 Structure diagram of the first positioning assembly of the wrapping film packaging machine for cigarette cartons according to the present application Figure 2 ;

[0035] Figure 10 Structure diagram of the first clamping unit of the wrapping film packaging machine for cigarette cartons according to the present application Figure 2 ;

[0036] Figure 11 Structure diagram of the wrapping unit of the wrapping film packaging machine for cigarette cartons according to the present application;

[0037] Figure 12 Structure diagram of the second clamping unit of the wrapping film packaging machine for cigarette cartons according to the present application;

[0038] Figure 13 Work flow diagram of the wrapping film packaging machine for cigarette cartons according to the present application.

[0039] Wherein, 1 is the first clamping unit, 2 is the wrapping unit, 201 is the wrapping machine, 202 is the basket, 3 is the second clamping unit, 301 is the second rack, 302 is the second support plate, 303 is the second side plate, 304 is the second positioning assembly, 305 is the second pressing assembly, 306 is the second turnover assembly, 307 is the third turnover plate, 4 is the first rack, 5 is the first support plate, 6 is the first side plate, 601 is the sliding groove, 602 is the gap, 7 is the first positioning assembly, 701 is the first positioning head, 702 is the first positioning plate, 703 is the first driver, 704 is the lead screw, 705 is the nut, 706 is the bearing seat, 707 is the connecting block, 708 is the first body, 709 is the first contact head, 710 is the second driver, 711 is the first connecting rod, 712 is the mounting seat, 8 is the first pressing assembly, 801 is the mounting frame, 802 is the third driver, 803 is the second body, 804 is the second contact head, 805 is the second connecting rod, 9 is the first turnover assembly, 901 is the first turnover plate, 902 is the second turnover plate, 903 is the fourth driver, 904 is the fifth driver, 905 is the first supporting rod, 906 is the second supporting rod, 10 is the feeding unit, 1001 is the electric push rod, 1002 is the transition plate, 1003 is the partition plate, 1004 is the conveying device. DETAILED DESCRIPTION

[0040] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0041] The present application aims to provide a wrapping film packaging machine suitable for cartons to solve the problems existing in the prior art, realize cold packaging of cartons, save packaging cost, and reduce environmental pollution.

[0042] In order to make the above-mentioned purposes, characteristics and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0043] Please refer to Figures 1-13 , wherein, Figure 1 is a structural schematic diagram of the wrapping film packaging machine suitable for cartons of the present application, Figure 2 is a top view schematic diagram of the wrapping film packaging machine suitable for cartons of the present application, Figure 3 is a schematic diagram of the feeding unit of the wrapping film packaging machine suitable for cartons of the present application, Figure 4 is a schematic diagram of the electric push rod of the wrapping film packaging machine suitable for cartons of the present application, Figure 5 is a structural schematic diagram of the first clamping unit of the wrapping film packaging machine suitable for cartons of the present application, Figure 6 is a partial structural schematic diagram of the first clamping unit of the wrapping film packaging machine suitable for cartons of the present application Figure 1 , Figure 7 is a structural schematic diagram of the first pressing assembly of the wrapping film packaging machine suitable for cartons of the present application, Figure 8 is a partial structural schematic diagram of the first positioning assembly of the wrapping film packaging machine suitable for cartons of the present application Figure 1 , Figure 9 is a partial structural schematic diagram of the first positioning assembly of the wrapping film packaging machine suitable for cartons of the present application Figure 2 , Figure 10 is a partial structural schematic diagram of the first clamping unit of the wrapping film packaging machine suitable for cartons of the present application Figure 2 , Figure 11 is a structural schematic diagram of the wrapping unit of the wrapping film packaging machine suitable for cartons of the present application, Figure 12 is a structural schematic diagram of the second clamping unit of the wrapping film packaging machine suitable for cartons of the present application, Figure 13 is a work flow chart of the wrapping film packaging machine suitable for cartons of the present application.

[0044] The application provides a wrapping film packaging machine suitable for cartons, which comprises a first clamping unit 1, a wrapping unit 2 and a second clamping unit 3 arranged in sequence, wherein the first clamping unit 1 comprises a first rack 4, a first support plate 5, a first side plate 6, a first positioning assembly 7, a first pressing assembly 8 and a first turnover assembly 9, the first support plate 5 is slidably arranged on the first rack 4, the first side plate 6 is connected with the first support plate 5, the first positioning assembly 7 is movably connected with the first side plate 6, the first positioning assembly 7 and the first side plate 6 can fix the horizontal position of the carton stack, the first pressing assembly 8 is arranged on the first support plate 5, the first pressing assembly 8 and the first turnover assembly 9 can fix the vertical position of the carton stack, and the first turnover assembly 9 is rotatably connected with the first support plate 5; the wrapping unit 2 can wrap the carton stack; the second clamping unit 3 and the first clamping unit 1 are located on the two sides of the wrapping unit 2, and the second clamping unit 3 can fix the end of the carton stack away from the first clamping unit 1.

[0045] When the wrapping film packaging machine suitable for cartons works, the stacked carton stack is placed on the first turnover assembly 9, and the carton stack abuts against the first side plate 6, the two sides of the carton stack are clamped by the first positioning assembly 7, the horizontal position of the carton stack is fixed by the cooperation of the first positioning assembly 7 and the first side plate 6, the carton stack is pressed on the first turnover assembly 9 by the first pressing assembly 8, so that the carton stack is fixed, the first support plate 5 drives the carton stack, the first positioning assembly 7, the first pressing assembly 8 and the first turnover assembly 9 to move towards the direction of the wrapping unit 2, the first turnover assembly 9 is turned over to avoid affecting the work of the wrapping unit 2, the carton stack is wrapped by the wrapping unit 2 with the movement of the first support plate 5, the end of the carton after being packaged is clamped by the second clamping unit 3, the first clamping unit 1 is reset, and the wrapping unit 2 can completely wrap the carton stack. The application performs cold packaging on the carton stack, protects the cartons from being damaged, effectively avoids environmental pollution in the packaging process, and the wrapping film packaging machine suitable for cartons is convenient to operate, improves the packaging processing efficiency and reduces the packaging production cost.

[0046] The wrapping film packaging machine suitable for the carton cigarette further comprises a feeding unit 10 arranged at one side of the first clamping unit 1. The feeding unit 10 comprises an electric push rod 1001 and a transition plate 1002. The transition plate 1002 is connected with the first clamping unit 1. The electric push rod 1001 can push the carton cigarette stack to the first clamping unit 1. The transition plate 1002 is arranged between the feeding unit 10 and the first clamping unit 1. The stacked carton cigarette stack is placed on the feeding unit 10 and is conveyed to the first clamping unit 1. The electric push rod 1001 pushes the carton cigarette stack through the transition plate 1002 and then smoothly pushes the carton cigarette stack to the first clamping unit 1. The first clamping unit 1 is used to fix the carton cigarette stack, which facilitates the wrapping and packaging of the wrapping unit 2.

[0047] Specifically, the first positioning assembly 7 comprises a first positioning head 701 and a first positioning plate 702. The first positioning head 701 is slidably connected with the first side plate 6. The first positioning plate 702 is hinged with the first side plate 6. The first positioning head 701 and the first positioning plate 702 are respectively located at two ends of the first side plate 6. The reciprocating movement direction of the first positioning head 701 relative to the first side plate 6 is parallel to the movement direction of the electric push rod 1001. The hinged axis of the first positioning plate 702 relative to the first side plate 6 is perpendicular to the movement direction of the electric push rod 1001. The first positioning head 701 and the first positioning plate 702 are both located at the side of the first side plate 6 close to the wrapping unit 2. The first positioning head 701 is located at the side of the first side plate 6 away from the feeding unit 10. The electric push rod 1001 pushes the carton cigarette stack towards the first clamping unit 1 and makes the carton cigarette stack close to the first side plate 6 and enter the first clamping unit 1. At this time, the first positioning plate 702 is parallel to the first side plate 6. After the electric push rod 1001 pushes the carton cigarette stack to abut against the first positioning head 701, the first positioning plate 702 is flipped to a state perpendicular to the first side plate 6. The first positioning plate 702 cooperates with the first positioning head 701 to fix the opposite two sides of the carton cigarette stack, which facilitates subsequent work. It should be noted that the first positioning head 701 is slidably connected with the first side plate 6, which facilitates pre-adjustment according to different models of carton cigarette stacks before production. After adjustment, the relative position of the first positioning head 701 and the first side plate 6 is fixed, which facilitates subsequent production and improves the flexible adaptability of the device.

[0048] Meanwhile, the first positioning assembly 7 further comprises a first driver 703 arranged on the first support plate 5, the first driver 703 being connected with a lead screw 704 and a nut 705, the lead screw 704 being threadedly connected with the nut 705, the lead screw 704 being connected with a bearing and a bearing seat 706 at an end away from the first driver 703, the first positioning head 701 being arranged with a connecting block 707, the first side plate 6 being arranged with a sliding groove 601 matched with the connecting block 707, the connecting block 707 being slidably connected with the nut 705 after passing through the sliding groove 601, the axis of the lead screw 704 being parallel to the length direction of the sliding groove 601; the first driver 703 can drive the lead screw 704 to rotate, and then drive the first positioning head 701 to reciprocate by means of the nut 705 and the connecting block 707, so as to conveniently adjust the position of the first positioning head 701, and the transmission of the lead screw 704 improves the working reliability and safety factor of the first positioning assembly 7.

[0049] It is also to be explained that the first positioning head 701 comprises a first body 708 and a first contact head 709, the first body 708 being connected with the connecting block 707, the first contact head 709 being slidably connected with the first body 708, and an elastic member being arranged between the first body 708 and the first contact head 709. The first contact head 709 is slidably connected with the first body 708 and an elastic member is arranged therebetween, so that the first contact head 709 is in flexible contact with the stack of cigarettes, which facilitates the adjustment of the positioning pressure and effectively protects the stack of cigarettes and improves the packaging quality.

[0050] Correspondingly, the first positioning assembly 7 further comprises a second driver 710 arranged on the first support plate 5, the second driver 710 being connected with the first positioning plate 702 by means of a first connecting rod 711, the second driver 710 being hingedly connected with one end of the first connecting rod 711, and the other end of the first connecting rod 711 being connected with the first positioning plate 702; the second driver 710 can drive the first positioning plate 702 to flip by means of the first connecting rod 711, and the second driver 710 can be an electric cylinder, which is convenient to drive. In the specific embodiment, the second driver 710 is connected with a mounting seat 712, the mounting seat 712 being fixed on the first support plate 5, the mounting seat 712 providing stable support for the second driver 710 and also being capable of adjusting the height of the second driver 710.

[0051] More specifically, the first pressing assembly 8 comprises a mounting frame 801 fixed to the first support plate 5, a third driver 802 connected with the mounting frame 801, a second body 803 connected with the third driver 802, and the third driver 802 can drive the second body 803 to reciprocate in the vertical direction, a second contact head 804 slidably arranged at the top of the second body 803, and an elastic member arranged between the second contact head 804 and the second body 803; the second body 803 and the second contact head 804 are located on the side of the first side plate 6 close to the winding unit 2; the third driver 802 can drive the second contact head 804 to descend and press the cigarette stack, fix the vertical position of the cigarette stack, facilitate subsequent winding and packaging, and similarly, the second contact head 804 is slidably connected with the second body 803 and an elastic member is arranged between them, so that the second contact head 804 can be in flexible contact with the cigarette stack, the pressing force of the second contact head 804 on the cigarette stack can be conveniently adjusted, the deformation of the cigarette stack can be avoided, and the quality of the cigarette packaging can be improved.

[0052] In the specific embodiment, the third driver 802 is connected with the second body 803 through a second connecting rod 805 to drive the second body 803 to descend, the first side plate 6 has an opening 602 allowing the second connecting rod 805 to pass through, so as to avoid the first side plate 6 affecting the descent of the second body 803 and improve the reliability of the device; the third driver 802 corresponds to the second body 803 one by one, the number of the second contact heads 804 connected with each second body 803 is multiple, the first pressing assembly 8 contacts the cigarette stack at multiple points, improves the uniformity of the stress on the cigarette stack, effectively protects the cigarette stack, and improves the quality of the subsequent finished products.

[0053] Further, the first overturning assembly 9 comprises a first overturning plate 901 and a second overturning plate 902, the first overturning plate 901 and the second overturning plate 902 are respectively hinged with the first supporting plate 5, and the first overturning plate 901 and the second overturning plate 902 are located on the side of the first side plate 6 close to the winding unit 2; the first overturning plate 901 is an L-shaped plate, the second overturning plate 902 is located in the gap between the first overturning plate 901 and the first supporting plate 5, the hinged axis of the first overturning plate 901 and the first supporting plate 5 is perpendicular to the sliding direction of the first supporting plate 5 relative to the first rack 4, and the hinged axis of the second overturning plate 902 and the first supporting plate 5 is parallel to the hinged axis of the first overturning plate 901 and the first supporting plate 5. When the first clamping unit 1 works, the first overturning plate 901 and the second overturning plate 902 are first overturned to a position flush with the first supporting plate 5 to support the strip cigarette stack, and after the first positioning assembly 7 and the first pressing assembly 8 fix the position of the strip cigarette stack, the first overturning plate 901 is overturned downward to expose a part of the strip cigarette stack (when the first overturning plate 901 and the second overturning plate 902 are in a horizontal state, they jointly support the strip cigarette stack, the specifications of the first overturning plate 901 and the second overturning plate 902 are determined according to specific working conditions, when the first overturning plate 901 is overturned downward, one end of the strip cigarette stack is suspended, that is, the strip cigarette stack is extended by the second overturning plate 902, which facilitates winding and packaging, and avoids that the winding unit 2 winds the first overturning plate 901 and the strip cigarette stack together), the first supporting plate 5 drives the strip cigarette stack and the first positioning assembly 7 and the first pressing assembly 8 to move towards the winding unit 2, after the first overturning plate 901 is overturned downward, the first overturning plate 901 effectively avoids affecting the packaging work of the winding unit 2, when the part of the strip cigarette stack that has been wrapped passes through the winding unit 2, the part that has been packaged is fixed by the second clamping unit 3, the second overturning plate 902 is overturned downward, and the first positioning assembly 7 and the first pressing assembly 8 are loosened from the strip cigarette stack, the first clamping unit 1 is loosened from the strip cigarette stack and is reset to prepare for subsequent packaging work.

[0054] It also needs to be explained that the first overturning assembly 9 further comprises a fourth driver 903 and a fifth driver 904, the fourth driver 903 and the fifth driver 904 are connected with the first rack 4, the fourth driver 903 is connected with a first supporting rod 905, the first end of the first supporting rod 905 is hinged with the first rack 4, the second end of the first supporting rod 905 abuts against the first overturning plate 901, the fourth driver 903 is hinged with the first supporting rod 905, the fifth driver 904 is hinged with the first supporting rod 905, and the hinged point of the fourth driver 903 and the first supporting rod 905 is located between the first end of the first supporting rod 905 and the second end of the first supporting rod 905; the first supporting rod 905 is L-shaped, the fourth driver 903 can be an electric cylinder, the electric cylinder pushes the first supporting rod 905, so that the first supporting rod 905 can support the rotation of the first overturning plate 901.

[0055] Similarly, the fifth driver 904 is connected with the second supporting rod 906, the first end of the second supporting rod 906 is hinged with the first supporting plate 5, the second end of the second supporting rod 906 abuts against the second turnover plate 902, the fifth driver 904 is hinged with the second supporting rod 906, and the hinged point of the fifth driver 904 and the second supporting rod 906 is located between the first end of the second supporting rod 906 and the second end of the second supporting rod 906. The second supporting rod 906 is triangular, the fifth driver 904 can be selected as an electric cylinder or a hydraulic cylinder, the second supporting rod 906 is pushed to rotate, and then the second turnover plate 902 is supported and smoothly overturned.

[0056] In addition, the feeding unit 10 further comprises a conveying device 1004 capable of moving the carton cigarette stack, the movement direction of the conveying device 1004 is perpendicular to the axis of the electric push rod 1001, the conveying device 1004 can move the coded carton cigarette stack to complete the conveying of the carton cigarette stack to the direction of the electric push rod 1001, and provide convenience for the subsequent electric push rod 1001 to push the carton cigarette stack to the transition plate 1002. In addition, it should be noted that the conveying device 1004 comprises a partition plate 1003, adjacent partition plates 1003 can accommodate carton cigarette stacks, the transition plate 1002 is located between the conveying device 1004 and the first clamping unit 1, and the partition plate 1003 can separate and convey the coded carton cigarette stack, so as to avoid misplacement of adjacent carton cigarette stacks and disturb the subsequent packaging work.

[0057] Further, the second clamping unit 3 comprises a second rack 301, a second supporting plate 302, a second side plate 303, a second positioning assembly 304, a second pressing assembly 305 and a second turnover assembly 306. The second rack 301 has the same structure as the first rack 4, the second supporting plate 302 has the same structure as the first supporting plate 5, the second side plate 303 has the same structure as the first side plate 6, the second positioning assembly 304 has the same structure as the first positioning assembly 7, the second pressing assembly 305 has the same structure as the first pressing assembly 8, and the second turnover assembly 306 comprises a third turnover plate 307 hinged with the second supporting plate 302. The second positioning assembly 304, the second pressing assembly 305 and the second turnover assembly 306 are arranged on the side of the second side plate 303 close to the winding unit 2. The second clamping unit 3 has a similar structure to the first clamping unit 1, the second positioning assembly 304 and the second pressing assembly 305 can position and clamp the packaged carton cigarette stack, the second supporting plate 302 can drive the carton cigarette stack to move away from the winding unit 2, so as to facilitate the winding unit 2 to package the carton cigarette stack, and after the packaging is completed, the second positioning assembly 304 and the second pressing assembly 305 are reset, the third turnover plate 307 is turned down, and the unloading is completed. Once packaging is completed.

[0058] In the specific embodiment, a slide rail is arranged between the first support plate 5 and the first rack 4, facilitating movement of the first support plate 5 and the cigarette stack to the winding unit 2. A slide rail is also arranged between the second support plate 302 and the second rack, improving the smoothness of reciprocating movement and the working reliability of the packaging machine. In addition, the height of the first rack 4 can be adjusted, facilitating leveling and adjusting the height according to different specifications of the cigarette stack and the winding unit 2, and improving the flexible adaptability of the packaging machine.

[0059] When the packaging machine according to the present application is used for winding film packaging of cigarettes, the following steps are specifically included:

[0060] Loading: The sorted cigarettes are stacked according to orders, and the stacked cigarette stack is placed between the partitions 1003 of the conveying device 1004. The stepping motor drives the conveying device 1004 to advance by one grid, and the electric push rod 1001 pushes the cigarette stack onto the transition plate 1002. At the same time, the first turnover plate 901 and the second turnover plate 902 in the first clamping unit 1 begin to turn over to provide bottom support for the stack.

[0061] Tail limiting: The electric push rod 1001 continues to push the cigarette stack from the transition plate 1002 onto the first turnover plate 901 and the second turnover plate 902 of the first clamping unit 1. The first turnover plate 901 and the second turnover plate 902 are turned over by 90°, and together with the first positioning plate 702 and the first positioning head 701, they limit the tail of the cigarette stack in the left-right direction. When the first positioning head 701 reaches the set pre-tightening force, it stops moving. The first pressing assembly 8 starts to work synchronously with the first support plate 5 to limit the tail of the cigarette stack in the up-down direction. The second contact head 804 of the first pressing assembly 8 descends to the surface of the stack, and is pressed by a certain displacement. When it reaches the set pre-tightening force, it stops descending. At this time, the tail of the cigarette stack completes the clamping and limiting process, and the first turnover plate 901 is retracted.

[0062] Winding packaging: the cigarette stack is moved together with the first clamping unit 1 towards the winding unit 2, the winding unit 2 comprises a winding machine 201, when the photoelectric switch arranged at the front end of the winding machine 201 detects that the head of the cigarette stack enters the winding machine 201, the winding machine 201 starts to work, the first clamping unit 1 synchronously forwards the clamped cigarette stack until the winding packaging of the first half of the cigarette stack is completed, the first clamping unit 1 continues to forward the cigarette stack, the cigarette stack is pushed onto the third turnover plate 307 of the second clamping unit 3, the second clamping unit 3 completes the clamping of the head of the cigarette stack, then the first pressing assembly 8 of the first clamping unit 1 rises and the second turnover plate 902 turns back, the second clamping unit 3 continues to forward the cigarette stack while the winding machine 201 continues to complete the winding packaging of the tail of the cigarette stack, at the same time, the next stack of cigarettes is pushed to the transition plate 1002 by the electric push rod 1001 to wait, the first clamping unit 1 also returns to the initial position, the second turnover plate 902 thereof returns to the initial state, then the first turnover plate 901 of the first clamping unit 1 opens the turnover action, the next stack of cigarettes is pushed onto the first turnover plate 901 and the second turnover plate 902 of the first clamping unit 1 and the packaging work process is repeated.

[0063] Discharging: the second clamping unit 3 clamps the cigarette stack to separate from the winding machine 201, the second pressing assembly 305 of the second clamping unit 3 loosens the cigarette stack after the winding packaging is completed, at the same time, the third turnover plate 307 turns back, and the cigarette stack falls into the bottom basket 202 along the inclined inclined plate.

[0064] The winding film packaging machine suitable for the cigarette of the present application can realize cold packaging for the cigarette stack composed of special-shaped cigarettes with different shapes through the first clamping unit 1, the winding unit 2 and the second clamping unit 3, protects the cigarettes from being damaged, at the same time, the baffle 1003 and the detection device are arranged on the conveying device 1004, the time between different processes is overlapped through reasonable control, and the packaging efficiency is improved. The present application can also adopt mature products such as various types of conveying belt mechanisms, electric push rods 1001 and horizontal winding machines 201, and the overall frame can be built by aluminum profiles, which is easy to process and can greatly reduce the cost of the packaging machine.

[0065] The principles and implementation manners of the present application are described by using specific examples in the present application, the above description of the examples is only used to help understand the method of the present application and the core idea thereof; meanwhile, for those skilled in the art, according to the idea of the present application, the specific implementation manners and application ranges can be changed. In conclusion, the content of the present description should not be understood as a limitation of the present application.

Claims

1. A wrapping film packer for cartons, characterized in that, It comprises sequentially arranged: A first clamping unit, the first clamping unit comprises a first rack, a first support plate, a first side plate, a first positioning assembly, a first pressing assembly and a first turnover assembly, the first support plate is slidably arranged on the first rack, the first side plate is connected with the first support plate, the first positioning assembly is movably connected with the first side plate, the first positioning assembly and the first side plate can fix the horizontal position of the cigarette stack, the first pressing assembly is arranged on the first support plate, the first pressing assembly and the first turnover assembly can fix the vertical position of the cigarette stack, the first turnover assembly is rotatably connected with the first support plate; A winding unit, the winding unit can wrap the cigarette stack; A second clamping unit, the second clamping unit and the first clamping unit are located on both sides of the winding unit, the second clamping unit can fix one end of the cigarette stack away from the first clamping unit; The first turnover assembly comprises a first turnover plate and a second turnover plate, the first turnover plate and the second turnover plate are respectively hinged with the first support plate, the first turnover plate and the second turnover plate are located on the side of the first side plate close to the winding unit; The first turnover plate is an L-shaped plate, the second turnover plate is located in the gap between the first turnover plate and the first support plate, the hinge axis of the first turnover plate and the first support plate is perpendicular to the sliding direction of the first support plate relative to the first rack, and the hinge axis of the second turnover plate and the first support plate is parallel to the hinge axis of the first turnover plate and the first support plate; It also comprises a feeding unit, the feeding unit is arranged on one side of the first clamping unit, the feeding unit comprises an electric push rod and a transition plate, the transition plate is connected with the first clamping unit, the electric push rod can push the cigarette stack to the first clamping unit, and the transition plate is arranged between the feeding unit and the first clamping unit.

2. The wrapping film packer for cartons according to claim 1, characterized in that: The first positioning assembly comprises a first positioning head and a first positioning plate, the first positioning head is slidably connected with the first side plate, the first positioning plate is hinged with the first side plate, the first positioning head and the first positioning plate are respectively located at both ends of the first side plate, the reciprocating movement direction of the first positioning head relative to the first side plate is parallel to the movement direction of the electric push rod, the hinge axis of the first positioning plate and the first side plate is perpendicular to the movement direction of the electric push rod, and the first positioning head and the first positioning plate are located on the side of the first side plate close to the winding unit.

3. The wrapping film packaging machine for cartons according to claim 2, characterized in that: The first positioning assembly further comprises a first driver arranged on the first support plate, a screw rod and a nut connected to the first driver, the screw rod being threadedly connected with the nut, a bearing and a bearing seat connected to an end of the screw rod away from the first driver, and a first positioning head arranged with a connecting block, a sliding slot matched with the connecting block arranged on the first side plate, the connecting block being slidably connected with the nut after passing through the sliding slot, and an axis of the screw rod being parallel to a length direction of the sliding slot. The first positioning head comprises a first body connected with the connecting block and a first contact head slidably connected with the first body, and an elastic member arranged between the first body and the first contact head.

4. The wrapping film packer for cartons according to claim 2, characterized in that: The first positioning assembly further comprises a second driver arranged on the first support plate, the second driver being connected with the first positioning plate by a first connecting rod, the second driver being hingedly connected with one end of the first connecting rod, and the other end of the first connecting rod being connected with the first positioning plate. The second driver is connected with a mounting seat fixed to the first support plate.

5. The wrapping film packer for cartons according to claim 1, characterized in that: The first pressing assembly comprises a mounting frame fixed to the first support plate, a third driver connected with the mounting frame, a second body connected with the third driver, the third driver being capable of driving the second body to reciprocate along a vertical direction, a second contact head slidably arranged on a top of the second body, and an elastic member arranged between the second contact head and the second body, the second body and the second contact head being located on a side of the first side plate close to the winding unit. The third driver is connected with the second body by a second connecting rod, the first side plate having an aperture allowing the second connecting rod to pass through, and the third driver corresponding to the second body one by one, the number of the second contact heads connected with each second body being multiple.

6. The wrapping film packer for cartons according to claim 1, characterized in that: The first overturning assembly further comprises a fourth driver and a fifth driver, the fourth driver and the fifth driver being connected with the first rack, the fourth driver being connected with a first supporting rod, a first end of the first supporting rod being hingedly connected with the first rack, a second end of the first supporting rod abutting against the first overturning plate, the fourth driver being hingedly connected with the first supporting rod, and a hinged point of the fourth driver and the first supporting rod being located between the first end of the first supporting rod and the second end of the first supporting rod. The fifth driver is connected with a second supporting rod, a first end of the second supporting rod being hingedly connected with the first support plate, a second end of the second supporting rod abutting against the second overturning plate, the fifth driver being hingedly connected with the second supporting rod, and a hinged point of the fifth driver and the second supporting rod being located between the first end of the second supporting rod and the second end of the second supporting rod.

7. The wrapping film packer for cartons according to claim 1, characterized in that: The feeding unit further comprises a conveying device capable of moving the cigarette stack, the moving direction of the conveying device being perpendicular to the axis of the electric push rod; the conveying device comprises partitions, the adjacent partitions being capable of accommodating the cigarette stack, and the transition plate being located between the conveying device and the first clamping unit.

8. A wrapping film packaging machine for cartons according to any one of claims 1-7, characterized in that: The second clamping unit comprises a second rack, a second support plate, a second side plate, a second positioning assembly, a second pressing assembly and a second turnover assembly, the second rack being identical in structure to the first rack, the second support plate being identical in structure to the first support plate, the second side plate being identical in structure to the first side plate, the second positioning assembly being identical in structure to the first positioning assembly, the second pressing assembly being identical in structure to the first pressing assembly, and the second turnover assembly comprising a third turnover plate, the third turnover plate being hinged to the second support plate, the second positioning assembly, the second pressing assembly and the second turnover assembly all being arranged on the side of the second side plate close to the winding unit.

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