A packaging machine for putting cigarettes into formed cigarette boxes and a packaging method thereof

Abstract

The present invention relates to a packaging machine for placing cigarettes into a formed cigarette box and a packaging method thereof. The packaging machine for placing cigarettes into a formed cigarette box of the present invention comprises a frame, a circular track, a cigarette box supply device, a cigarette supply device and a cigarette box-entering device; the circular track and the cigarette supply device are arranged on the frame, the cigarette box-entering device is arranged on the frame or on the circular track, the cigarette box supply device is arranged above the circular track, the cigarette supply device is arranged above the cigarette box-entering device, the circular track comprises a cigarette box mold and a lid-lifting device, the cigarette box mold is arranged on the circular track, and the cigarette box-entering device sucks cigarettes through a suction cup and then puts them into the cigarette box mold. The beneficial effect is that the process of opening the cover, lifting the inner lining paper, putting in the first layer of cigarettes, putting in the second layer of cigarettes, putting in the third layer of cigarettes, resetting the inner lining paper, and closing the cover of the cigarette box is completed by driving the circular track. A new cigarette packaging method is designed.

Description

Technical Field

[0001] The invention relates to the field of cigarette manufacturing, and in particular to a packaging machine for putting cigarettes into a formed cigarette box and a packaging method thereof. Background Art

[0002] Traditional cigarette packaging machines are to wrap cigarettes in liner paper, then use a mold box to roll and wrap the entire cigarette box paper according to the stacking shape of the cigarettes according to the preset movement, and then fold and laminate the packaging machine. This type of packaging machine has high requirements for equipment, large equipment volume, long production line extension, and is prone to produce defective cigarette packs. With the development of the cigarette field, cigarettes packaged in flip boxes are becoming more and more popular among the people, but the existing rolling and packaging machines cannot meet the requirements of directly placing cigarettes into formed cigarette boxes. Therefore, for flip box formed cigarette boxes, the innovative development of a packaging machine and packaging method that can be used to put cigarettes into formed cigarette boxes is the motivation for the invention. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a packaging machine and a packaging method for placing cigarettes into a formed cigarette box. A new cigarette packaging method is designed.

[0004] The present invention provides a packaging machine for placing cigarettes into a formed cigarette box, and its technical solution is as follows:

[0005] A packaging machine for placing cigarettes into a formed cigarette box, comprising a frame (1), a circular track (3), a cigarette box supply device, a cigarette supply device and a cigarette box-entering device; the circular track (3) and the cigarette supply device are arranged on the frame (1), the cigarette box-entering device is arranged on the frame (1) or on the circular track (3), the cigarette box supply device is arranged above the circular track (3), the cigarette supply device is arranged above the cigarette box-entering device, the circular track (3) comprises a cigarette box mold box (2) and a cover-lifting device, the cigarette box mold box (2) is arranged on the circular track (3), the cover-lifting device is arranged around the circular track (3), and the cigarette box-entering device sucks cigarettes (42) through a suction cup (19) and then puts them into the cigarette box mold box (2).

[0006] Preferably, the cigarette supply device comprises a lower cigarette rotating roller (8), a cigarette basket (9), a cigarette separation block (34) and a mounting frame V (35), wherein the cigarette basket (9) is mounted on the mounting frame V (35), a lower cigarette rotating roller (8) is arranged below the cigarette basket (9), the lower cigarette rotating roller (8) is connected to the cigarette separation block (34), and the lower cigarette rotating roller (8) is driven by a gear rack to rotate forward and reverse.

[0007] Preferably, the cigarette box-entering device comprises a linear motor (22), a cigarette pushing tray (37) and a suction cup (19); the linear motor (22) is mounted on the frame (1); the linear motor (22) can drive the cigarette pushing tray (37) to reciprocate and push the aligned cigarettes (42) to the bottom of the suction cup (19); the suction cup (19) is arranged on the suction cup drive assembly; the suction cup (19) can reciprocate up and down after sucking the cigarettes (42).

[0008] Preferably, the suction cup (19) is provided with an air inlet for connecting a negative pressure of a certain pressure, and the suction cup (19) is provided with an arc groove; and bosses are provided at the front and rear ends of the cigarette pushing tray (37) to form a cigarette placing tray.

[0009] Preferably, the cigarette box-entering device further comprises a mounting block II (36), a cigarette-pulling clamp (40), a stopper (41), and a connecting block III (43); the mounting block II (36) is used to fix the linear motor (22); the stopper (41) is arranged below the cigarette separation block (34) to limit the position of the cigarette (42); the cigarette-pulling clamp (40) is located between the suction cup (19) and the annular track (3); and the inner side of the cigarette-pulling clamp (40) has a taper.

[0010] Preferably, the suction cup drive assembly comprises a connecting block I (18), a connecting block II (20), a mounting block III (38), a mounting block I (21) and a linear guide rail (39), wherein the mounting block III (38) is mounted on the frame (1) by bolts, the mounting block III (38) is connected to the linear guide rail (39), the linear guide rail (39) is connected to the mounting block I (21), the mounting block I (21) is connected to the connecting block I (18), the connecting block I (18) is connected to the connecting block II (20), and the suction cup (19) is arranged on the connecting block II (20).

[0011] Preferably, the packaging machine comprises three suction cups (19) and a follower mechanism, wherein the follower mechanism is arranged behind the suction cup (19). When the middle suction cup (19) places the cigarettes (42) into the corresponding cigarette box (10), the follower mechanism presses the second layer of cigarettes (42) and moves to the next station along with the cigarette box mold box (2).

[0012] Preferably, the follower mechanism comprises a mounting frame IV (26), a block (27), a slide rail (28), a compression spring (29), a follower block (30), a swing cylinder (31), a swing arm (32) and a tension spring (33); the mounting frame IV (26) and the block (27) are mounted on the frame (1) behind the suction cup (19) by bolts; the lower end of the slide rail (28) is mounted on the mounting frame IV (26); the upper end of the slide rail (28) is connected to the follower block (30); the follower block (30) is flexibly connected to the compression spring (29); the base of the swing cylinder (31) is connected to the upper end of the slide rail (28) by bolts; the head of the swing cylinder (31) is connected to the swing arm (32); one end of the tension spring (33) is connected to the frame (1) and the other end is connected to the follower block (30).

[0013] Preferably, the annular track (3) further comprises a box cover anti-dropping steel wire (4), a cover lifting steel wire (5), an inner lining paper lifting steel wire (7), an annular track driving motor (6) and a positioning device (23); the annular track (3) is mounted on the frame (1) by means of bolts; a plurality of cigarette box mold boxes (2) are mounted on the annular track (3) by means of bolts; the box cover anti-dropping steel wire (4), the cover lifting steel wire (5), and the inner lining paper lifting steel wire (7) are welded on the annular track (3); and a sensor is arranged on the positioning device (23) for positioning the cigarette box (10) to an accurate position.

[0014] Preferably, the cigarette box supply device comprises a cigarette box material bin (13) for storing cigarette boxes (10), a cigarette box pushing cylinder (11) and a mounting frame III (25), wherein the cigarette box pushing cylinder (11) is mounted on the mounting frame III (25), and a pushing head of the cigarette box pushing cylinder (11) is aligned with the cigarette box (10) at the bottom of the cigarette box material bin (13).

[0015] Preferably, the cigarette box discharging device comprises a cigarette box covering cylinder (12), a rejecting cylinder (24), a finished product pushing cylinder (15), a finished product cigarette box conveying track (14), a mounting frame I (16) and a mounting frame II (17), wherein the cigarette box covering cylinder (12) is arranged on the mounting frame I (16), the finished product pushing cylinder (15) is arranged on the mounting frame II (17), the mounting frame I (16) and the mounting frame II (17) are mounted on the annular track (3) by bolts, the rejecting cylinder (24) is mounted on the frame (1), and the finished product cigarette box conveying track (14) is mounted on the bracket.

[0016] Preferably, a visual inspection device is arranged above the cigarette box (10) after the cigarette box cover is opened, on the side of each suction cup (19), and above the workstation after the cigarette box cover is closed, and the visual inspection device includes a camera and a light source.

[0017] A packaging method for placing cigarettes into a shaped cigarette box, which is used for packaging three layers of cigarettes (42), comprising the following steps: placing a shaped cigarette box (10) in a cigarette box mold box (2), and opening the cigarette box cover by a cover-lifting device during the conveying process; when the shaped cigarette box (10) with the cover opened is conveyed to the bottom of a cigarette supply device, a negative pressure suction cup (19) sucks the cigarettes (42) of the first layer and presses them down into the shaped cigarette box (10); then the shaped cigarette box (10) is conveyed to the next workstation, and the negative pressure suction cup (19) sucks the cigarettes (42) of the second layer and presses them down into the shaped cigarette box (10); after the second layer of cigarettes (42) is placed, the second layer of cigarettes (42) is pressed by a follower mechanism, and then the shaped cigarette box (10) is conveyed to the next workstation, and the negative pressure suction cup (19) sucks the cigarettes (42) of the third layer and presses them down into the shaped cigarette box (10), and the cigarettes (42) are put into the box after the box cover is closed;

[0018] Alternatively, the method is used for packaging two layers of cigarettes, comprising the following steps: placing a formed cigarette box (10) in a cigarette box mold box (2), and during the conveying process, opening the cigarette box cover by means of a cover-lifting device; when the formed cigarette box (10) with the cover opened is conveyed to the bottom of a cigarette supply device, the negative pressure suction cup (19) sucks the first layer of cigarettes (42) and presses them down into the formed cigarette box (10); then the formed cigarette box (10) is conveyed to the next workstation, the negative pressure suction cup (19) sucks the second layer of cigarettes (42) and presses them down into the formed cigarette box (10); and the cigarettes (42) are put into the box after the box cover is closed.

[0019] Preferably, the cigarette box supply device automatically feeds the shaped cigarette box (10) into the cigarette box mold box (2) arranged on the circular track (3); the cigarette box mold box (2) is used to clamp the cigarette box (10) to prevent it from falling; when the shaped cigarette box 10 moves to the arc of the circular track (3), most of the box cover can be automatically opened under the action of its own weight and remain on the box cover anti-falling steel wire (4); the box cover and the inner lining paper are opened to the set position under the action of the cover opening steel wire (5) and the inner lining paper opening steel wire (7).

[0020] Preferably, after the second layer of cigarettes (42) are placed in the cigarette box (10), the follower device drives the swing arm (32) to move downward to press the cigarettes (42), and the compression spring (29), the follower block (30), the swing cylinder (31), and the swing arm (32) move from the second station to the third station along with the cigarette box (10). After reaching the third station, the swing cylinder (31) drives the swing arm (32) to move in the reverse direction to separate from the second layer of cigarettes (42), and then resets the compression spring (29), the follower block (30), the swing cylinder (31), and the swing arm (32) under the tension of the tension spring (33).

[0021] Preferably, a camera is installed above the cigarette box (10) after the cigarette box lid is opened to detect whether the lining paper is damaged or opened to a predetermined position; a camera is installed on the side of each suction cup (19) to detect whether the number of cigarettes (42) and the placement position are correct; a camera is installed above the workstation after the cigarette box lid is closed to detect whether the appearance of the finished cigarettes meets the requirements; cigarette boxes with defective cigarettes or cigarette boxes are rejected at the rejection station.

[0022] The implementation of the present invention includes the following technical effects:

[0023] The packaging machine for putting cigarettes into a formed cigarette box is driven by a circular track to open the cover of the cigarette box, lift up the inner lining paper, put in the first layer of cigarettes, put in the second layer of cigarettes, put in the third layer of cigarettes, reset the inner lining paper, close the cover and detect and reject.

[0024] Through 5 different smoke discharge channels, 5 different flavors of cigarettes can be combined in the order of 4+3, 1+4+1, 3+4 and placed in the first layer, second layer, and third layer of the cigarette box respectively.

[0025] During the entire working process, cameras and light sources are used for visual inspection when opening the lid, lifting the lining paper, putting cigarettes in, closing the lid, and the appearance of the cigarette box.

[0026] In the process of putting cigarettes into the cigarette box, a suction cup negative pressure is used to put a certain number of cigarettes arranged in order into the cigarette box in layers and in order. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the three-dimensional structure of a packaging machine for putting cigarettes into a formed cigarette box according to an embodiment of the present invention;

[0028] Figure 2 It is a schematic diagram of the three-dimensional structure of the annular track of the present invention;

[0029] Figure 3 It is a schematic diagram of the three-dimensional structure of the cigarette supply device of the present invention;

[0030] Figure 4 It is a schematic diagram of the three-dimensional structure of the cigarette box-entering device of the present invention;

[0031] Figure 5 It is a schematic diagram of the three-dimensional structure of the follower mechanism of the present invention;

[0032] Figure 6 It is a schematic diagram of the three-dimensional structure of the cigarette box supply device of the present invention;

[0033] Figure 7 It is a schematic diagram of the three-dimensional structure of the cigarette box discharging device of the present invention;

[0034] Figure 8The figure is a schematic side view of the structure of a packaging machine for placing cigarettes into formed cigarette boxes according to an embodiment of the present invention.

[0035] In the figure: 1-frame, 2-cigarette box mold box, 3-annular track, 4-box cover anti-falling steel wire, 5-lifting cover steel wire, 6-annular track driving motor, 7-lifting liner paper steel wire, 8-down cigarette rotating roller, 9-cigarette basket, 10-molded cigarette box, 11-cigarette box pushing cylinder, 12-covering cigarette box cylinder, 13-cigarette box silo, 14-finished product cigarette box transmission track, 15-finished product pushing cylinder, 16-mounting frame I, 17-mounting frame II, 18-connecting block I, 19-suction cup, 20-connecting block II, 21-mounting block I, 22-linear motor, 23-positioning device, 24-rejecting cylinder, 25-mounting frame III, 26-mounting frame IV, 27-stopper, 28-slide rail, 29-compression spring, 30-follower block, 31-swing cylinder, 32-swing arm, 33-tension spring, 34- Cigarette separation block, 35-mounting frame V, 36-mounting block II, 37-cigarette pushing tray, 38-mounting block III, 39-linear guide rail, 40-cigarette closing clamp, 41-baffle, 42-cigarette, 43-connecting block III, 44-connecting block IV. DETAILED DESCRIPTION

[0036] The present invention will be described in detail below in conjunction with embodiments and drawings. It should be pointed out that the described embodiments are only intended to facilitate the understanding of the present invention and do not have any limiting effect on the present invention.

[0037] See also Figure 1 , Figure 2 and Figure 8 As shown, the present embodiment provides a packaging machine for placing cigarettes into formed cigarette boxes, comprising a frame 1, an annular track 3, a cigarette box supplying device, a cigarette supplying device and a cigarette entering device; the annular track 3 and the cigarette supplying device are arranged on the frame 1, the cigarette entering device is arranged on the frame 1 or on the annular track 3, the cigarette box supplying device is arranged above the annular track 3, the cigarette supplying device is arranged above the cigarette entering device, the annular track 3 comprises a cigarette box mold box 2 and a lid lifting device, the cigarette box mold box 2 is arranged on the annular track 3, the lid lifting device is arranged around the annular track 3, and the cigarette entering device sucks cigarettes 42 through the suction cup 19 and then puts them into the cigarette box mold box 2. This solution can place the arranged cigarettes 42 into the cigarette box 10 from top to bottom by pressing them downwards with negative pressure, and can visually inspect each layer of cigarettes 42 after they are placed to see whether the number, arrangement sequence and position of the cigarettes 42 meet the requirements. At the same time, there are corresponding visual inspections after opening and closing the lid to see whether they meet the requirements. Those that do not meet the requirements will be discarded to achieve a higher pass rate.

[0038] See also Figure 3As shown, the cigarette supply device includes a cigarette lowering rotating roller 8, a cigarette basket 9, a cigarette separation block 34 and a mounting frame V35. The cigarette basket 9 is mounted on the mounting frame V35. The cigarette lowering rotating roller 8 is arranged below the cigarette basket 9. The cigarette lowering rotating roller 8 is connected to the cigarette separation block 34. The cigarette lowering rotating roller 8 is driven by a gear rack to rotate forward and reverse. The cigarette separation block 34 is mounted on the mounting frame V35 by pins and screws. As an example of three layers of cigarettes 42, the cigarette lowering mechanism is divided into three cigarette lowering channels, which are in the order of 7, 6, and 7. There is a place for mounting a cigarette basket 9 between each two blocks, corresponding to a cigarette 42 of a flavor. The cigarette lowering rotating roller 8 is always in forward and reverse rotation during the operation of the device to ensure that the cigarette 42 can smoothly fall into the cigarette pushing tray 37.

[0039] See also Figure 4 As shown, the cigarette boxing device includes a linear motor 22, a cigarette pushing tray 37 and a suction cup 19. The linear motor 22 is installed on the frame 1 by bolts. The linear motor 22 can drive the cigarette pushing tray 37 to reciprocate and push the aligned cigarettes 42 to the bottom of the suction cup 19. The suction cup 19 is arranged on the suction cup driving assembly and can reciprocate up and down after sucking the cigarette 42. The suction cup 19 is provided with an air inlet for connecting a certain pressure of negative pressure, and the suction cup 19 is provided with an arc groove; the front and rear ends of the cigarette pushing tray 37 are provided with bosses to form a cigarette tray. Specifically, the cigarette boxing device also includes a mounting block II 36, a cigarette clamp 40, a stopper 41, and a connecting block III 43. The mounting block II 36 is used to fix the linear motor 22. The stopper 41 is arranged below the cigarette separation block 34 to limit the position of the cigarette 42. The cigarette clamp 40 is located between the suction cup 19 and the annular track 3, and the inner side of the cigarette clamp 40 has a taper.

[0040] See also Figure 4 As shown, the suction cup drive assembly includes a connecting block I18, a connecting block II20, a mounting block III38, a mounting block I21 and a linear guide 39. The mounting block III38 is mounted on the frame 1 by bolts. The mounting block III38 is connected to the linear guide 39. The linear guide 39 is connected to the mounting block I21. The mounting block I21 is connected to the connecting block I18. The connecting block I18 is connected to the connecting block II20. The suction cup 19 is arranged on the connecting block II20. The connecting block I18, the suction cup 19 and the connecting block II20 are an integrated fixed structure, which can move up and down on the linear guide 39 under the drive of the motor, and press the cigarette 42 firmly sucked by the suction cup 19 into the cigarette box 10 on the corresponding station. The motor driving the suction cup 19 to move is installed on the frame 1.

[0041] According to the number of layers of cigarettes 42, one suction cup 19, two suction cups 19 or three suction cups 19 can be provided. When used for packaging three layers of cigarettes 42, a follower mechanism is required to prevent the second layer of "6" cigarettes 42 from shifting when running from the changing station to the next station. The packaging machine includes three suction cups 19 and a follower mechanism, see Figure 5As shown, the follower mechanism is arranged behind the suction cup 19. When the middle suction cup 19 puts 6 cigarettes 42 into the corresponding cigarette box 10, the follower mechanism presses the second layer of cigarettes 42 and moves to the next station along with the cigarette box mold box 2. The follower mechanism includes a mounting frame IV26, a stopper 27, a slide rail 28, a compression spring 29, a follower block 30, a swing cylinder 31, a swing arm 32 and a tension spring 33. The mounting frame IV26 and the stopper 27 are mounted on the frame 1 behind the suction cup 19 by bolts. The lower end of the slide rail 28 is mounted on the mounting frame IV26. The upper end of the slide rail 28 is connected to the follower block 30. The follower block 30 is flexibly connected to the compression spring 29. The base of the swing cylinder 31 is connected to the upper end of the slide rail 28 by bolts. The head of the swing cylinder 31 is connected to the swing arm 32. One end of the tension spring 33 is connected to the frame 1 and the other end is connected to the follower block 30. After the second layer of cigarettes 42 are put into the cigarette box 10, the swing cylinder 31 of the follower device drives the swing arm 32 to move downward to press the cigarette 42, and the compression spring 29, the follower block 30, the swing cylinder 31, and the swing arm 32 move from the second station to the third station with the cigarette box 10. After arriving at the third station, the swing cylinder 31 drives the swing arm 32 in the reverse direction to move away from the second layer of cigarettes 42, and then under the pulling force of the tension spring 33, the compression spring 29, the follower block 30, the swing cylinder 31, and the swing arm 32 are reset.

[0042] See also Figure 2 As shown, the annular track 3 also includes a box cover anti-dropping steel wire 4, a cover lifting steel wire 5, an inner lining paper lifting steel wire 7, an annular track driving motor 6 and a positioning device 23. The annular track 3 is mounted on the frame 1 by bolts, and multiple cigarette box mold boxes 2 are mounted on the annular track 3 by bolts. The box cover anti-dropping steel wire 4, the cover lifting steel wire 5, and the inner lining paper lifting steel wire 7 are welded on the annular track 3. A sensor is set on the positioning device 23 for positioning the cigarette box 10 to reach an accurate position.

[0043] See also Figure 6 As shown, the cigarette box supply device includes a cigarette box material bin 13 for storing cigarette boxes 10, a cigarette box pushing cylinder 11 and a mounting frame III 25. The cigarette box pushing cylinder 11 is installed on the mounting frame III 25. The pushing head of the cigarette box pushing cylinder 11 is aligned with the cigarette box 10 at the bottom of the cigarette box material bin 13, and is used to push the cigarette box 10 into the cigarette box mold box 2. When the bottom cigarette box is pushed out, the next cigarette box 10 automatically falls.

[0044] See also Figure 7As shown, the cigarette box discharging device includes a cigarette box cover cylinder 12, a reject cylinder 24, a finished product push cylinder 15, a finished product cigarette box conveying track 14, a mounting frame I 16 and a mounting frame II 17. The cigarette box cover cylinder 12 is arranged on the mounting frame I 16, and the finished product push cylinder 15 is arranged on the mounting frame II 17. The mounting frame I 16 and the mounting frame II 17 are mounted on the circular track 3 by bolts, the reject cylinder 24 is mounted on the frame 1, and the finished product cigarette box conveying track 14 is mounted on the bracket. After the cigarette 42 is put into the cigarette box, the cigarette box 10 is closed by the cigarette box cover cylinder 12, the finished product push cylinder 15 can push the cigarette box 10 into the finished product cigarette box conveying track 14, and the reject cylinder 24 can push out the cigarette box 10 detected by the visual inspection device to have cigarette defects or cigarette box defects.

[0045] Taking three layers of cigarettes as an example, the packaging machine of the present invention places the cigarettes 42 into the cigarette box 10 three times and in sequence, wherein the suction cups 19 are divided into three, namely, left, middle and right, and each suction cup 19 is provided with an air inlet for connecting a negative pressure of a certain pressure, wherein the left suction cup 19 has 7 arc grooves for adsorbing 7 cigarettes 42, the middle suction cup 19 has 6 grooves for adsorbing 6 cigarettes 42, and the right suction cup 19 has 7 grooves for adsorbing 7 cigarettes 42, and each groove of each suction cup 19 has two holes with a diameter of 2.5 mm. The three suction cups 19 are driven by a motor to move the connecting block IV 44, the connecting block I 18 and the connecting block II 20 downward to place the cigarettes 42 into the cigarette box 10, and every two suction cups 19 are offset by 7 mm in the upper and lower spatial positions, so that each layer of cigarettes 42 is staggered. The linear motor 22 is installed on the frame 1 through the mounting block. The cigarette pushing tray 37 is installed on the slide of the three linear motors 22. There is a 5mm boss from 86mm at the front end to 48mm at the rear end of the cigarette pushing tray 37, which is used for axial positioning of the cigarette 42 and preventing the cigarette pushing tray 37 from bringing out the cigarette 42 when retreating. The three linear motors 22 move independently. The linear motor 22 drives the cigarette pushing tray 37 to push the cigarettes 42 on the cigarette pushing tray 37 to move forward. On the inner side of the cigarette clamp 40 with a certain taper, the gaps between the cigarettes 42 are eliminated to facilitate the suction cup 19 to absorb the cigarettes 42 and press the cigarettes 42 downward into the corresponding cigarette box 10. When the current station detects a cigarette 42 or the cigarette box 10 does not meet the requirements, the rear linear motor 22 does not move, and the visual inspection device will record the damaged cigarette packs and reject them at the rejection station.

[0046] Preferably, a visual inspection device is provided above the cigarette box 10 after the cigarette box cover is opened, on the side of each suction cup 19, and above the workstation after the cigarette box cover is closed. The visual inspection device includes a camera and a light source. The visual inspection device can be used to detect whether the liner paper is damaged or opened to a predetermined position, to detect whether the number and placement of the cigarettes 42 are correct, or to detect whether the appearance of the finished cigarettes meets the requirements; and the cigarette box 10 with cigarette defects or cigarette box defects is rejected at the rejection station.

[0047] The present embodiment also provides a packaging method for placing cigarettes into a formed cigarette box, which is used for packaging three layers of cigarettes 42, and comprises the following steps: placing a formed cigarette box 10 in a cigarette box mold box 2, and during the conveying process, opening the cigarette box cover by a cover-lifting device; when the opened formed cigarette box 10 is conveyed to the bottom of the cigarette supply device, the negative pressure suction cup 19 sucks the first layer of cigarettes 42 and presses them down into the formed cigarette box 10; then the formed cigarette box 10 is conveyed to the next station, the negative pressure suction cup 19 sucks the second layer of cigarettes 42 and presses them down into the formed cigarette box 10; after the second layer of cigarettes 42 are placed, the second layer of cigarettes 42 are pressed by a follower mechanism, and then the formed cigarette box 10 is conveyed to the next station, the negative pressure suction cup 19 sucks the third layer of cigarettes 42 and presses them down into the formed cigarette box 10, and the cigarettes 42 are put into the box after the box cover is closed;

[0048] Or it is used to package two layers of cigarettes, including the following steps: placing the formed cigarette box 10 in the cigarette box mold box 2, and opening the cigarette box cover by a lid-lifting device during the conveying process; when the formed cigarette box 10 with the lid opened is conveyed to the bottom of the cigarette supply device, the negative pressure suction cup 19 sucks the first layer of cigarettes 42 and presses them down into the formed cigarette box 10; then the formed cigarette box 10 is conveyed to the next workstation, the negative pressure suction cup 19 sucks the second layer of cigarettes 42 and presses them down into the formed cigarette box 10; after the box is closed, the cigarettes 42 are put into the box.

[0049] Specifically, the cigarette box supply device automatically feeds the shaped cigarette box 10 into the cigarette box mold box 2 set on the circular track 3. The cigarette box mold box 2 is used to clamp the cigarette box 10 to prevent it from falling. When the shaped cigarette box 10 moves to the arc of the circular track 3, under the action of the box cover's own gravity, most of the box cover can be automatically opened and kept on the box cover anti-falling steel wire 4. Under the action of the cover-opening steel wire 5 and the inner lining paper opening steel wire 7, the box cover and the inner lining paper are opened to the set position. After the second layer of cigarettes 42 are placed in the cigarette box 10, the follower device swings the cylinder 31 to drive the swing arm 32 to move downward to press the cigarettes 42. The compression spring 29, the follower block 30, the swing cylinder 31, and the swing arm 32 move from the second station to the third station along with the cigarette box 10. After reaching the third station, the swing cylinder 31 drives the swing arm 32 in the reverse direction to separate from the second layer of cigarettes 42. Then, under the pulling force of the tension spring 33, the compression spring 29, the follower block 30, the swing cylinder 31, and the swing arm 32 are reset.

[0050] Preferably, the visual inspection device includes a camera and a light source. A camera is installed above the cigarette box 10 after the cigarette box lid is opened to detect whether the lining paper is damaged or opened to a predetermined position; a camera is installed on the side of each suction cup 19 to detect whether the number of cigarettes and the position of the cigarettes are correct; a camera is installed above the workstation after the cigarette box lid is closed to detect whether the appearance of the finished cigarettes meets the requirements; cigarette boxes with defective cigarettes or cigarette boxes are rejected at the rejection station.

[0051] The working principle of the packaging machine for putting cigarettes into formed cigarette boxes of the present invention is as follows:

[0052] When the cigarette box is pushed out from the silo into the cigarette box mold box 2, the cigarette box mold box 2 quickly clamps the cigarette box and limits the four degrees of freedom of the cigarette box. When it moves to the arc of the circular track 3, most of the box covers can be automatically opened under the self-generated gravity of the box covers and remain on the box cover anti-falling wire 4. After moving to a certain distance, the box cover and the liner paper are opened to the specified position under the action of the cover-opening wire 5 and the liner paper-opening wire 7. When the cigarette box with the lid opened moves to the bottom of the first suction cup 19, the suction cup 19 is opened under negative pressure, and the first linear motor 22 The first layer of 7 cigarettes is pushed under the suction cup 19, and then the cigarette tray 37 is pushed back 86mm, and the suction cup 19 synchronously presses the sucked cigarette 42 downward into the cigarette box on the corresponding station, and the second and third linear motors 22 do not work, and there are no cigarettes 42 in the second and third suction cups 19; when it moves to the next station, the first and second linear motors 22 work to press the first layer of 7 cigarettes and the second layer of 6 cigarettes into the cigarette box on the corresponding station, and when it moves to the next station, the three linear motors 22 work synchronously and press the three layers of cigarettes into the cigarette box on the corresponding station at the same time, and after moving 5 stations, all the finished cigarettes that have passed through are pushed onto the next conveyor belt under the action of the finished cigarette cylinder, and if there are cigarettes 42 or cigarette boxes that do not meet the requirements, they will be rejected on this conveyor belt.

[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention, rather than to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the present invention.

Claims

1. A packaging machine for placing cigarettes into formed cigarette boxes, characterized in that: The invention comprises a frame (1), a circular track (3), a cigarette box supply device, a cigarette supply device and a cigarette box-entering device; the circular track (3) and the cigarette supply device are arranged on the frame (1), the cigarette box-entering device is arranged on the frame (1) or on the circular track (3), the cigarette box supply device is arranged above the circular track (3), the cigarette supply device is arranged above the cigarette box-entering device, the circular track (3) comprises a cigarette box mold (2) and a lid-lifting device, the cigarette box mold (2) is arranged on the circular track (3), the lid-lifting device is arranged around the circular track (3), the cigarette box-entering device sucks cigarettes (42) through a suction cup (19) and then puts them into the cigarette box mold (2); the circular track (3) also comprises a box cover anti-dropping steel wire (4), a lid-lifting steel wire (5), an inner lining paper lifting steel wire (7), a circular track driving motor (6) and a positioning device (23); the circular track (3) is mounted on the frame (1) by bolts, and a plurality of cigarette box molds (2) are arranged on the circular track (3). (2) is installed on the circular track (3) by bolts, the box cover anti-dropping steel wire (4), the cover lifting steel wire (5), and the inner lining paper lifting steel wire (7) are welded on the circular track (3), and a sensor is arranged on the positioning device (23) for positioning the cigarette box (10) to reach an accurate position; the cigarette insertion device comprises a linear motor (22), a cigarette pushing plate (37) and a suction cup (19), the linear motor (22) is installed on the frame (1), and the linear motor (22) can drive the cigarette pushing plate (37) to reciprocate The aligned cigarettes (42) are pushed under the suction cup (19), the suction cup (19) being arranged on the suction cup drive assembly, and the suction cup (19) can reciprocate up and down after sucking the cigarettes (42); the packaging machine comprises three suction cups (19) and a follower mechanism, the follower mechanism being arranged behind the suction cup (19), and when the middle suction cup (19) puts the cigarettes (42) into the corresponding cigarette box (10), the follower mechanism presses the second layer of cigarettes (42) and moves to the next station along with the cigarette box mold box (2); A packaging method for placing cigarettes into a shaped cigarette box, used for packaging three layers of cigarettes (42), comprises the following steps: placing a shaped cigarette box (10) in a cigarette box mold box (2), and during the conveying process, opening the cigarette box cover by means of a cover-lifting device; when the shaped cigarette box (10) with the cover opened is conveyed to the bottom of a cigarette supply device, a negative pressure suction cup (19) sucks the first layer of cigarettes (42) and presses them down into the shaped cigarette box (10); then the shaped cigarette box (10) is conveyed to the next workstation, and the negative pressure suction cup (19) sucks the second layer of cigarettes (42) and presses them down into the shaped cigarette box (10); after placing the second layer of cigarettes (42), the second layer of cigarettes (42) is pressed by means of a follower mechanism, and then the shaped cigarette box (10) is conveyed to the next workstation, and the negative pressure suction cup (19) sucks the third layer of cigarettes (42) and presses them down into the shaped cigarette box (10), and the cigarettes (42) are put into the box after the cover is closed; The cigarette box supply device automatically feeds the formed cigarette box (10) into a cigarette box mold box (2) arranged on the circular track (3). The cigarette box mold box (2) is used to clamp the cigarette box (10) to prevent it from falling. When the formed cigarette box (10) moves to the arc of the circular track (3), most of the box cover can be automatically opened under the action of its own gravity and remain on the box cover anti-falling steel wire (4). Under the action of the cover opening steel wire (5) and the inner lining paper opening steel wire (7), the box cover and the inner lining paper are opened to a set position; After the second layer of cigarettes (42) are placed in the cigarette box (10), the swing cylinder (31) of the follower mechanism drives the swing arm (32) to move downward to press the cigarettes (42), and the compression spring (29), the follower block (30), the swing cylinder (31), and the swing arm (32) move from the second station to the third station along with the cigarette box (10). After reaching the third station, the swing cylinder (31) drives the swing arm (32) to move in the reverse direction to separate from the second layer of cigarettes (42), and then the compression spring (29), the follower block (30), the swing cylinder (31), and the swing arm (32) are reset under the tension of the tension spring (33); A camera is installed above the cigarette box (10) after the cigarette box lid is opened to detect whether the inner lining paper is damaged or opened to a predetermined position; a camera is installed on the side of each suction cup (19) to detect whether the number of cigarettes (42) and the placement position are correct; a camera is installed above the workstation after the cigarette box lid is closed to detect whether the appearance of the finished cigarettes meets the requirements; and cigarette boxes with defective cigarettes or cigarette boxes are rejected at the rejection workstation.

2. A packaging machine for placing cigarettes into formed cigarette boxes according to claim 1, characterized in that: The cigarette supply device comprises a cigarette lowering rotating roller (8), a cigarette basket (9), a cigarette separating block (34) and a mounting frame V (35). The cigarette basket (9) is mounted on the mounting frame V (35). A cigarette lowering rotating roller (8) is arranged below the cigarette basket (9). The cigarette lowering rotating roller (8) is connected to the cigarette separating block (34). The cigarette lowering rotating roller (8) is driven by a gear rack to rotate forward and reverse.

3. A packaging machine for placing cigarettes into formed cigarette boxes according to claim 1, characterized in that: The suction cup (19) is provided with an air inlet for connecting a negative pressure of a certain pressure, and the suction cup (19) is provided with an arc groove; and bosses are provided at the front and rear ends of the cigarette pushing tray (37) to form a cigarette placing tray.

4. A packaging machine for placing cigarettes into formed cigarette boxes according to claim 1, characterized in that: The cigarette box-entering device further comprises a mounting block II (36), a cigarette-pulling clamp (40), a baffle (41), and a connecting block III (43); the mounting block II (36) is used to fix the linear motor (22); the baffle (41) is arranged below the cigarette separation block (34) and is used to limit the position of the cigarette (42); the cigarette-pulling clamp (40) is located between the suction cup (19) and the annular track (3); and the inner side of the cigarette-pulling clamp (40) has a taper.

5. A packaging machine for placing cigarettes into formed cigarette boxes according to claim 1, characterized in that: The suction cup drive assembly comprises a connecting block I (18), a connecting block II (20), a mounting block III (38), a mounting block I (21) and a linear guide rail (39). The mounting block III (38) is mounted on the frame (1) by bolts. The mounting block III (38) is connected to the linear guide rail (39). The linear guide rail (39) is connected to the mounting block I (21). The mounting block I (21) is connected to the connecting block I (18). The connecting block I (18) is connected to the connecting block II (20). The suction cup (19) is arranged on the connecting block II (20).

6. A packaging machine for placing cigarettes into formed cigarette boxes according to claim 1, characterized in that: The follower mechanism comprises a mounting frame IV (26), a stopper (27), a slide rail (28), a compression spring (29), a follower block (30), a swing cylinder (31), a swing arm (32) and a tension spring (33). The mounting frame IV (26) and the stopper (27) are mounted on the frame (1) behind the suction cup (19) by means of bolts. The lower end of the slide rail (28) is mounted on the mounting frame IV (26). The upper end of the slide rail (28) is connected to the follower block (30). The follower block (30) is flexibly connected to the compression spring (29). The base of the swing cylinder (31) is connected to the upper end of the slide rail (28) by means of bolts. The head of the swing cylinder (31) is connected to the swing arm (32). One end of the tension spring (33) is connected to the frame (1) and the other end is connected to the follower block (30).

7. A packaging machine for placing cigarettes into formed cigarette boxes according to claim 1, characterized in that: The cigarette box supply device comprises a cigarette box material bin (13) for storing cigarette boxes (10), a cigarette box pushing cylinder (11) and a mounting frame III (25), wherein the cigarette box pushing cylinder (11) is mounted on the mounting frame III (25), and a pushing head of the cigarette box pushing cylinder (11) is aligned with the cigarette boxes (10) at the bottom of the cigarette box material bin (13).

8. A packaging machine for placing cigarettes into formed cigarette boxes according to claim 1, characterized in that: The packaging machine comprises a cigarette box discharging device, which comprises a cigarette box covering cylinder (12), a rejecting cylinder (24), a finished product pushing cylinder (15), a finished product cigarette box conveying track (14), a mounting frame I (16) and a mounting frame II (17), wherein the cigarette box covering cylinder (12) is arranged on the mounting frame I (16), the finished product pushing cylinder (15) is arranged on the mounting frame II (17), the mounting frame I (16) and the mounting frame II (17) are mounted on the annular track (3) by bolts, the rejecting cylinder (24) is mounted on the frame (1), and the finished product cigarette box conveying track (14) is mounted on the bracket.

9. A packaging machine for placing cigarettes into formed cigarette boxes according to claim 1, characterized in that: A visual inspection device is arranged above the cigarette box (10) after the cigarette box cover is opened, on the side of each suction cup (19), and above the workstation after the cigarette box cover is closed. The visual inspection device comprises a camera and a light source.

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