A turntable packaging machine

Abstract

The present invention relates to a turntable packaging machine suitable for packaging gusseted bags. The turntable packaging machine comprises a clamping device and an opening clamping device, wherein the opening clamping device is located on one side of the clamping device; the clamping device comprises a base, a turntable and a plurality of bag clamping units, wherein the bag clamping unit comprises two left and right bag clamping mechanisms, and is characterized in that the bag clamping mechanism comprises a connecting seat and two clamping hand assemblies, wherein the connecting seat is connected to the turntable. The turntable packaging machine is suitable for packaging gusseted bags by improving the bag clamping unit.

Description

Technical Field

[0001] The invention relates to a food packaging machine. Background Art

[0002] The turntable vacuum packaging machine consists of a turntable packaging machine and a vacuum bag sealing machine. The turntable packaging machine includes a turntable clamping device. The turntable clamping device clamps the bag and moves intermittently along the circumference, and completes various actions at each station, and finally realizes material packaging, and then enters the vacuum bag sealing device for vacuuming and heat sealing. For example, the invention patent applied by the applicant in 2013 (publication number CN103241410B) discloses a fully automatic vacuum packaging machine, which includes a turntable and a bag clamping device installed on the turntable. A bag loading device, a bag opening device, a bag holding device and a feeding device are arranged on the outer side of the turntable. The bag clamping device comes to the station where the above-mentioned devices are located as the turntable rotates, and completes bag loading, bag opening, bag holding and feeding in turn, and finally the lower bag is placed in a vacuum box for vacuuming and heat sealing. However, the existing turntable vacuum packaging machine uses ordinary flat bags for packaging, such as Fig.12 As shown in FIG. 1 , when opening the bag, the left and right bag clamping mechanisms of the bag clamping unit need to clamp the bag opening and move relative to each other to form a roughly circular bag opening. The bag has a small space for accommodating articles. There is a kind of hem bag with hems on both sides on the market, such as Fig.11 As shown, the opening of the folding bag is stretched to form a square shape, and this bag can hold more items. Then the opening of the folding bag requires four clamping points, and the bag clamping unit of the existing rotary vacuum packaging machine has only two clamping points, which cannot meet the requirements of the opening of the folding bag. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention innovatively provides a turntable packaging machine suitable for folding bag packaging.

[0004] The invention relates to a turntable packaging machine, wherein the turntable packaging machine comprises a clamping device and an opening clamping device, wherein the opening clamping device is located on one side of the clamping device; the clamping device comprises a base, a turntable and a plurality of bag clamping units, wherein the bag clamping unit comprises two left and right bag clamping mechanisms, and the characteristics are as follows: the bag clamping mechanism comprises a connecting seat and two clamping hand assemblies, wherein the connecting seat is connected to the turntable, the clamping hand assembly comprises a movable clamp, a fixed clamp, a spring, a slider and a force-bearing member, the movable clamp is hinged on the fixed clamp, the spring is arranged between the movable clamp and the fixed clamp and drives the movable clamp and the fixed clamp to close, the force-bearing member is connected to the movable clamp, and the force-bearing member can separate the movable clamp from the fixed clamp under the action of the opening clamping device, the fixed clamp is connected to the slider, the slider is slidably arranged on the connecting seat, and a rack is arranged on the slider; an intermediate gear is arranged on the connecting seat, and the two racks of the two clamping hand assemblies are meshed with the intermediate gear; the slider or the intermediate gear is drivingly connected to a bag opening power source.

[0005] The connecting seat is connected to the rotating disk through a connecting shaft, the upper end of the connecting shaft is connected to the rotating disk, and the lower end of the connecting shaft is connected to the mounting plate.

[0006] The sliding block is transmission-connected with the push block, and two rocker arms are hinged on the push block. The lower ends of the two rocker arms are hinged on the mounting plate, and one of the rocker arms is connected with a transmission block, and the transmission block is connected with a transmission wheel. A lifting plate which can move up and down and push the transmission wheel upward is provided on the machine base, and the lifting plate is transmission-connected with the bag opening power source, and a reset tension spring is connected between the connecting shaft and the push block.

[0007] The connecting seat is rotatably mounted on the connecting shaft, an adjusting gear is connected to the connecting seat, two adjusting gears on the two connecting seats of the bag clamp unit are meshed together, one of the adjusting gears is hinged to the adjusting pull rod, the adjusting pull rod is hinged to the adjusting swing arm, a swing arm support is provided on the turntable, the adjusting swing arm is rotatably connected to the swing arm support, an adjusting roller is provided on the adjusting swing arm, the adjusting roller acts on the adjusting wheel, the adjusting wheel can be moved up and down for adjustment, the push block has a swing groove, an adjusting guide wheel is provided on the sliding block, and the adjusting guide wheel is located in the swing groove.

[0008] The movable clamp is hinged on the fixed clamp through two hinged parts.

[0009] The clamping device includes a mounting seat, a middle push plate, two side push plates and a clamping power source for driving the middle push plate and the side push plates to move in opposite directions. The middle push plate is used to push two force-bearing members located in the middle, and the two side push plates are used to push two force-bearing members located on both sides.

[0010] The mounting base is rotatably mounted with a first rotating shaft and a second rotating shaft, a middle pushing assembly and left and right side pushing assemblies are connected to the first rotating shaft and the second rotating shaft, the middle pushing assembly is located between the two side pushing assemblies, the middle pushing assembly comprises a middle pushing plate, a middle support, a first middle swing arm and a second middle swing arm, the middle pushing plate is connected to the middle support, the upper ends of the first middle swing arm and the second middle swing arm are both hinged on the middle support, the lower end of the first middle swing arm is drivingly connected to the first rotating shaft, and the lower end of the second middle swing arm is relatively rotatably connected to the second rotating shaft; The side pushing assembly includes a side pushing plate, a side support, a first side swing arm and a second side swing arm, the side pushing plate is connected to the side support, the upper ends of the first side swing arm and the second side swing arm are hinged on the side support, the lower end of the first side swing arm is connected to the first rotating shaft for relative rotation, and the lower end of the second side swing arm is transmission connected to the second rotating shaft; the first rotating shaft is connected to a first gear, the second rotating shaft is connected to a second gear, and the first gear is meshed with the second gear; the first rotating shaft, the second rotating shaft, the first gear or the second gear is transmission connected to a clamping power source.

[0011] A transmission shaft is installed on the mounting seat, a transmission gear is connected to the transmission shaft, the transmission gear is meshed with the second gear, the transmission shaft is connected to a transmission swing arm, and the transmission swing arm is transmission-connected to a clamping power source.

[0012] According to a rotary packaging machine provided by the present invention, the bag clamping unit is improved so as to be suitable for packaging folded bags. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A perspective view of the present invention;

[0014] Figure 2 A top view of the present invention;

[0015] Figure 3 For the three-dimensional turntable and single bag clamp unit Figure 1 ;

[0016] Figure 4 For the three-dimensional turntable and single bag clamp unit Figure 2 ;

[0017] Figure 5 for Figure 3 Bottom view of

[0018] Figure 6 for Figure 5 A partial enlarged view of the middle A;

[0019] Figure 7 It is a schematic diagram of the transmission structure of the bag opening power source;

[0020] Figure 8 for Figure 7 A partial enlarged view of point B in the middle;

[0021] Fig. 9 A three-dimensional opening device Figure 1 ;

[0022] Fig.10 A three-dimensional opening device Figure 2 ;

[0023] Fig.11 Schematic diagram of a hem bag;

[0024] Fig.12 A schematic diagram of a flat pocket. DETAILED DESCRIPTION

[0025] like Figure 1 As shown, this rotary packaging machine includes a clamping device and an opening device 3, and the opening device 3 is located on one side of the clamping device. Figure 2As shown, the machine clamping device includes a base, a turntable 1 and a plurality of bag clamping units 2. Each bag clamping unit 2 clamps a folded bag to complete corresponding work at each work station, and the opening device 3 can drive the bag clamping unit 2 to open the clamp.

[0026] like Figure 3 As shown, the bag clamping unit 2 of the machine clamping device includes two left and right bag clamping mechanisms 20, as shown in FIG. Figure 5 and Figure 6 As shown, each bag clamp mechanism 20 includes a connecting seat 201 and two clamping hand assemblies 200 . The connecting seat 201 is connected to the turntable 1 . The clamping hand assembly 200 includes a movable clamp 2001 , a fixed clamp 2002 , a spring 2004 , a slider 2007 and a force-bearing member 2005 . The movable clamp 2001 is hinged on the fixed clamp 2002, and the spring 2004 is arranged between the movable clamp 2001 and the fixed clamp 2002 and drives the movable clamp 2001 and the fixed clamp 2002 to close. The force-bearing member 2005 is connected to the movable clamp 2001, and the force-bearing member 2005 can separate the movable clamp 2001 from the fixed clamp 2002 under the action of the clamp opening device 3. The fixed clamp 2002 is connected to the slider 2007, and the slider 2007 is slidably set on the connecting seat 201, and the slider 2007 is provided with a rack 2008; the connecting seat 201 is provided with an intermediate gear 2009, and the two racks 2008 of the two clamping hand assemblies 200 are both engaged with the intermediate gear 2009; the slider 2007 or the intermediate gear 2009 is connected to the bag opening power source 280 by transmission.

[0027] The working principle of the bag clamping unit 2 is as follows: when the bag is not clamped, the spring 2004 drives the movable clamp 2001 of the single clamping hand assembly 200 to clamp together with the fixed clamp 2002; when the bag needs to be clamped, the clamping device 3 acts on the force-bearing member 2005 (the clamping device 3 can adopt various driving mechanisms, which can be the existing technology). Since the force-bearing member 2005 is connected to the movable clamp 2001, the movable clamp 2001 moves and separates from the fixed clamp 2002, and the bag is sent over, and each bag corner is placed between a movable clamp 2001 and the fixed clamp 2002. The bag has a total of four bag corners placed between four movable clamps 2001 and 2002. 001 and the fixed clamp 2002, and then the external force no longer acts on the force-bearing member 2005, and the four movable clamps 2001 and the fixed clamp 2002 clamp the four corners of the folding bag; then the bag opening power source 280 drives the slider 2007 to move or drives the intermediate gear 2009 to rotate (both methods are possible). Since the two racks 2008 of the two clamping hand assemblies 200 are engaged with the intermediate gear 2009, the two clamping hand assemblies 200 move in the opposite direction, that is, the front and rear clamping points on one side of the folding bag are separated, so that the bag mouth of the folding bag is completely opened, and then the turntable is transferred to the feeding station, and the material is added into the folding bag.

[0028] In order to firmly fix the bag clamp unit 2, as Figure 4 As shown, the connection seat 201 of the present invention is connected to the turntable 1 through the connecting shaft 202, and the upper end of the connecting shaft 202 is connected to the turntable 1, and the lower end of the connecting shaft 202 is connected to the mounting plate. In addition, the connecting shaft 202 allows the connection seat 201 to rotate thereon, and the distance between the two bag clamping mechanisms 20 is adjusted to adapt to hemming bags of different widths, which will be described in detail below.

[0029] As described above, the bag opening power source 280 can drive the slider 2007 to move, and can also drive the intermediate gear 2009 to rotate. For the former, the present invention provides a specific implementation method: Figure 5 As shown, the slider 2007 is connected to the push block 21 in a transmission manner (directly or indirectly). Figure 3 As shown, the push block 21 is hinged with two swing rods 24, and the lower ends of the two swing rods 24 are hinged on the mounting plate 27. A transmission block 25 is connected to one of the swing rods 24, and a transmission wheel 26 is connected to the transmission block 25. Figure 7 As shown, a lifting plate 28 which can move up and down and push the transmission wheel upward is provided on the machine base, and the lifting plate 28 is transmission-connected with the bag opening power source 280 . In addition, a reset tension spring 23 is connected between the connecting shaft 202 and the push block 21 .

[0030] When the bag clamping unit 2 just clamps the bag, the reset tension spring 23 pulls the push block 21 to move it backward, so that the two clamping hand assemblies 200 of the bag clamping mechanism 20 are in a close state; when the bag clamping unit 2 clamps the bag and rotates to the bag opening position, the bag opening power source 280 drives the lifting plate 28 to lift, and the lifting plate 28 drives the transmission block 25 to rotate through the transmission wheel 26, and the rotation of the transmission block 25 drives the two swing blocks 24 to rotate. Since the two swing rods 24 are hinged to the push block 21, the rotation of the swing block 24 drives the push block 21 to move forward. The synchronous swinging of the two parallel swing blocks 24 can make the push block 21 move forward on the horizontal plane, so that the two clamping hand assemblies 200 of the bag clamping mechanism 20 are separated, and the bag mouth of the folded bag is opened.

[0031] The width of the gusset bag is divided into large and small. In order to be suitable for the clamping of gusset bags of different widths, such as Figure 3 As shown, the present invention rotatably mounts the connecting seat 201 on the connecting shaft 202, and an adjusting gear 203 is connected to the connecting seat 201. The two adjusting gears 203 on the two connecting seats 201 of the bag clamp unit 2 are meshed together, as shown in FIG. Figure 7 and Figure 8As shown, one of the adjusting gears 203 is hinged to the adjusting pull rod 291, and the adjusting pull rod 291 is hinged to the adjusting swing arm 292. In addition, a swing arm support 294 is provided on the turntable 1, and the adjusting swing arm 292 is rotatably connected to the swing arm support 294. An adjusting roller 293 is provided on the adjusting swing arm 292, and the adjusting roller 293 acts on the adjusting wheel 29, and the adjusting wheel 29 can be moved up and down for adjustment. In addition, the push block 21 has a swing groove 210, and the slider 2007 is provided with an adjusting guide wheel 22, and the adjusting guide wheel 22 is located in the swing groove 210.

[0032] The adjustment principle is as follows: when adjustment is needed, the height of the adjustment wheel 29 is adjusted, and the adjustment wheel 29 drives the adjustment swing arm 292 to rotate through the adjustment roller 293, and the adjustment swing arm 292 pulls the adjustment gear 203 to rotate through the adjustment rod 291, so that the left and right adjustment gears 203 rotate synchronously, and the distance between the left and right bag clamping mechanisms 20 of the bag clamping unit 2 changes, thereby achieving adjustment to meet the clamping requirements of bags of different widths. As the bag clamping mechanism 20 rotates, the slider 2007 rotates accordingly. In order not to affect the transmission relationship between the slider 2007 and the push block 21, as shown in FIG. Figure 5 As shown, the push block 21 has a swing groove 210, and the slider 2007 is provided with an adjusting guide wheel 22, and the adjusting guide wheel 22 is located in the swing groove 210. In this way, even if the slider 2007 rotates, the adjusting guide wheel 22 on the slider 2007 is located in the swing groove 210 of the slider 2007, so that the transmission relationship between the slider 2007 and the push block 21 is not affected.

[0033] In order to make the movable clip 2001 move forward and backward relative to the fixed clip 2002, the present invention hinges the movable clip 2001 on the fixed clip 2002 through two hinges 2006. The two parallel hinges 2006 can make the movable clip 2001 move forward and backward in parallel relative to the fixed clip 2002, so that the external force can easily drive the movement of the movable clip 2001.

[0034] like Figure 5 As shown, the bag clamp unit has four bag clamp assemblies, and each bag clamp assembly has a force-bearing member 2005 on its movable clamp 2001. As long as the force-bearing member 2005 is pushed, the movable clamp 2001 of a bag clamp assembly 200 can overcome the force of the spring 2004 and move, so that the movable clamp 2001 of a bag clamp assembly 200 can be separated from the fixed clamp 2002, thereby achieving the clamp opening. Due to the structure of the bag clamp unit 2, the two force-bearing members 2005 located in the middle need to be pushed inward to open the clamp, and the two force-bearing members 2005 located on both sides need to be pushed outward to open the clamp.

[0035] The clamping device 3 of the present invention provides a technical solution based on this situation: Fig. 9 and Fig.10As shown, the clamping device 3 includes a mounting seat 31, a middle push plate 344, two side push plates 354 and a clamping power source for driving the middle push plate 344 and the side push plates 354 to move in opposite directions. The middle push plate 344 is used to push the two force-bearing members 2005 located in the middle, and the two side push plates 354 are used to push the two force-bearing members 2005 located on both sides.

[0036] There are many solutions for driving the middle push plate 344 and the side push plate 354 to move in the opposite direction, such as by using a cylinder or a motor, as long as the middle push plate 344 and the side push plate 354 are driven to move in the opposite direction. The present invention specifically provides a technical solution with a relatively reasonable structure that can drive the middle push plate 344 and the side push plate 354 to move in the opposite direction with only one power source: Fig. 9 and Fig.10 As shown, a first rotating shaft 32 and a second rotating shaft 33 are rotatably mounted on the mounting seat 31 , a central pushing assembly 34 and left and right side pushing assemblies 35 are connected to the first rotating shaft 32 and the second rotating shaft 33 , and the central pushing assembly 34 is located between the two side pushing assemblies 35 .

[0037] like Fig.10 As shown, the middle pushing assembly 34 includes a middle pushing plate 344, a middle support 343, a first middle swing arm 341 and a second middle swing arm 342, the middle pushing plate 344 is connected to the middle support 343, the upper ends of the first middle swing arm 341 and the second middle swing arm 342 are hinged to the middle support 343, the lower end of the first middle swing arm 341 is transmission connected to the first rotating shaft 32 (spline connection), and the lower end of the second middle swing arm 342 is relatively rotatably connected to the second rotating shaft 33 (connected by a bearing). When the first rotating shaft 32 rotates, it can drive the first middle swing arm 341 to rotate. Since the first middle swing arm 341 and the second middle swing arm 342 are both hinged on the middle support 343, the second middle swing arm 342 will swing synchronously with the first middle swing arm 341. The synchronous swinging of the two parallel swing arms can make the middle push plate 344 move forward and backward on the horizontal plane instead of rotating along an arc. This can ensure that the front of the middle push plate 344 acts on the two force-bearing members 2005 in the middle.

[0038] like Fig. 9As shown, the side pushing assembly 35 includes a side pushing plate 354, a side support 353, a first side swing arm 351 and a second side swing arm 352, the side pushing plate 354 is connected to the side support 353, the upper ends of the first side swing arm 351 and the second side swing arm 352 are hinged to the side support 353, the lower end of the first side swing arm 351 is rotatably connected to the first rotating shaft 32 (connected by a bearing), and the lower end of the second side swing arm 352 is transmission connected to the second rotating shaft 33 (spline connection). When the second rotating shaft 33 rotates, it can drive the second side swing arm 352 to rotate. Since the second side swing arm 352 and the first side swing arm 351 are both hinged on the middle support 343, the first side swing arm 351 will swing synchronously with the second side swing arm 352. The synchronous swinging of the two parallel swing arms can make the side push plate 354 move forward and backward on the horizontal plane instead of rotating along an arc. This can ensure that the front of the side push plate 354 acts on the outer force-bearing member 2005.

[0039] It can be seen that the middle push plate 344 is driven by the first rotating shaft 32, while the side push plate 354 is driven by the second rotating shaft 33. The middle push plate 344 and the side push plate 354 need to move in opposite directions. For this purpose, the first rotating shaft 32 is connected with the first gear 320, the second rotating shaft 33 is connected with the second gear 330, and the first gear 320 is meshed with the second gear 330. The first rotating shaft 32, the second rotating shaft 33, the first gear 320 or the second gear 330 are connected to the clamp opening power source. When the clamp opening power source drives the first rotating shaft 32, the second rotating shaft 33, the first gear 320 or the second gear 330, due to the meshing of the first gear 320 and the second gear 330, the rotation directions of the first rotating shaft 32 and the second rotating shaft 33 are opposite (one is clockwise and the other is counterclockwise), so that the movement directions of the middle push plate 344 and the side push plate 354 are opposite, thereby driving the four bag clamp assemblies 200 to open synchronously.

[0040] In order to realize reasonable transmission, the present invention installs a transmission shaft 37 on the mounting seat 31, and a transmission gear 36 is connected to the transmission shaft 37, and the transmission gear 36 is meshed with the second gear 330. The transmission shaft 37 is connected to the transmission swing arm 38, and the transmission swing arm 38 is connected to the clamping power source. The clamping power source drives the transmission swing arm 38 to rotate, and the transmission shaft 37 rotates, which drives the transmission gear 36 to rotate, and the transmission gear 36 drives the second gear 330 to rotate. Since this structure adopts the transmission gear 36, the diameter of the transmission gear 36 can be larger, so that the swing stroke of the transmission swing arm 38 is smaller, and the power source transmission stroke is shorter, so that the structure is more stable.

Claims

1. A turntable packaging machine, comprising a clamping device and a clamping opening device (3), wherein the clamping opening device (3) is located on one side of the clamping device; the clamping device comprises a base, a turntable (1) and a plurality of bag clamping units (2), wherein the bag clamping unit (2) comprises two left and right bag clamping mechanisms (20), characterized in that: The bag clamp mechanism (20) comprises a connecting seat (201) and two gripper assemblies (200), wherein the connecting seat (201) is connected to the turntable (1), and the gripper assemblies (200) comprise a movable clamp (2001), a fixed clamp (2002), a spring (2004), a slider (2007) and a force-bearing member (2005), wherein the movable clamp (2001) is hinged to the fixed clamp (2002), the spring (2004) is arranged between the movable clamp (2001) and the fixed clamp (2002) and drives the movable clamp (2001) and the fixed clamp (2002) to close, the force-bearing member (2005) is connected to the movable clamp (2001), and the force-bearing member (2005) is connected to the movable clamp (2001). 005) Under the action of the clamp opening device (3), the movable clamp (2001) and the fixed clamp (2002) can be separated, the fixed clamp (2002) is connected to the slider (2007), the slider (2007) is slidably arranged on the connecting seat (201), and the slider (2007) is provided with a rack (2008); the connecting seat (201) is provided with an intermediate gear (2009), and the two racks (2008) of the two clamping hand assemblies (200) are both meshed with the intermediate gear (2009); the slider (2007) or the intermediate gear (2009) is connected to the bag opening power source (280) through a transmission connection; the connecting seat (201) is connected to the rotating disk through a connecting shaft (202). (1), the upper end of the connecting shaft (202) is connected to the rotating disk (1), and the lower end of the connecting shaft (202) is connected to the mounting plate (27); the clamping device comprises a mounting seat (31), a middle push plate (344), two side push plates (354), and a clamping power source for driving the middle push plate (344) and the side push plates (354) to move in opposite directions, the middle push plate (344) is used to push two force-bearing members (2005) located in the middle, and the two side push plates (354) are used to push two force-bearing members (2005) located on both sides; a first rotating shaft (32) and a second rotating shaft (33) are rotatably mounted on the mounting seat (31), and the first rotating shaft (32) and the ... A middle push component (34) and two left and right side push components (35) are connected on the upper part, the middle push component (34) is located between the two side push components (35), the middle push component (34) comprises a middle push plate (344), a middle support (343), a first middle swing arm (341) and a second middle swing arm (342), the middle push plate (344) is connected to the middle support (343), the upper ends of the first middle swing arm (341) and the second middle swing arm (342) are both hinged on the middle support (343), the lower end of the first middle swing arm (341) is transmission-connected to the first rotating shaft (32), and the lower end of the second middle swing arm (342) is relatively rotatably connected to the second rotating shaft (33);The side push assembly (35) comprises a side push plate (354), a side support seat (353), a first side swing arm (351) and a second side swing arm (352); the side push plate (354) is connected to the side support seat (353); the upper ends of the first side swing arm (351) and the second side swing arm (352) are both hinged to the side support seat (353); the lower end of the first side swing arm (351) is rotatably connected to the first rotating shaft (32); the lower end of the second side swing arm (352) is transmission-connected to the second rotating shaft (33); the first rotating shaft (32) is connected to a first gear (320); the second rotating shaft (33) is connected to a second gear (330); the first gear (320) is meshed with the second gear (330); the first rotating shaft (32), the second rotating shaft (33), the first gear (320) or the second gear (330) is transmission-connected to a clamp opening power source. ; 2. A turntable packaging machine according to claim 1, characterized in that: The slider (2007) is in transmission connection with the push block (21); two rocker arms (24) are hinged on the push block (21); the lower ends of the two rocker arms (24) are hinged on the mounting plate (27); a transmission block (25) is connected to one of the rocker arms (24); a transmission wheel (26) is connected to the transmission block (25); a lifting plate (28) is provided on the machine base and can move up and down and push the transmission wheel to move upward; the lifting plate (28) is in transmission connection with the bag opening power source (280); a reset tension spring (23) is connected between the connecting shaft (202) and the push block (21).

3. A rotary packaging machine according to claim 2, characterized in that: The connecting seat (201) is rotatably mounted on the connecting shaft (202); an adjusting gear (203) is connected to the connecting seat (201); two adjusting gears (203) on the two connecting seats (201) of the bag clamp unit (2) are meshed together; one of the adjusting gears (203) is hinged to an adjusting pull rod (291); the adjusting pull rod (291) is hinged to an adjusting swing arm (292); a swing arm support (294) is provided on the rotating disk (1); The adjusting swing arm (292) is rotatably connected to the swing arm support (294); an adjusting roller (293) is provided on the adjusting swing arm (292); the adjusting roller (293) acts on an adjusting wheel disc (29); the adjusting wheel disc (29) can be adjusted by moving up and down; the push block (21) has a swing groove (210); the sliding block (2007) is provided with an adjusting guide wheel (22); the adjusting guide wheel (22) is located in the swing groove (210).

4. The rotary packaging machine according to claim 1, characterized in that: The movable clamp (2001) is hinged to the fixed clamp (2002) via two hinged parts (2006).

5. The rotary packaging machine according to claim 1, characterized in that: A transmission shaft (37) is mounted on the mounting seat (31), a transmission gear (36) is connected to the transmission shaft (37), the transmission gear (36) is meshed with a second gear (330), the transmission shaft (37) is connected to a transmission swing arm (38), and the transmission swing arm (38) is transmission-connected to a clamping power source.

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