Sealing mechanism of bag making machine

Abstract

The utility model relates to a bag making machine, in particular to a sealing mechanism of a bag making machine, which comprises a sealing assembly, the sealing assembly comprises a moving table and a moving plate which are matched with each other, the moving table and the moving plate are both arranged in a left-right moving mode, the moving table comprises a first vertical plate and a transmission rod which is arranged in a rotating mode, and the transmission rod is arranged on the first vertical plate. The transmission rod is hinged to a first connecting rod and a second connecting rod, the rotating center of the transmission rod in the vertical direction is located between hinge points, the first connecting rod and the second connecting rod are hinged to the first vertical plate and the movable plate, the transmission rod rotates, the first connecting rod drives the movable table to move rightwards, the second connecting rod drives the movable plate to move leftwards, and the pressing plate is pressed; the pressure is sufficient.

Description

Technical Field

[0001] This utility model relates to a bag making machine, and more particularly to a sealing mechanism for a bag making machine. Background Technology

[0002] Chinese invention patent CN120589264A discloses a fully automatic bag-feeding and packaging machine. Pre-stacked packaging bags are automatically fed onto the clamping member 12 on the rotating disk 11 through the bag-feeding component 2. Then, the rotating disk 11 drives the clamping member 12 holding the packaging bags to rotate. Based on this, it is proposed to design a bag-making machine and a packaging machine to form an integrated bag-making and packaging machine, which eliminates the need for manual transfer of stacked packaging bags. In this process, it is necessary to seal the continuous roll material to form an unsealed bag. Utility Model Content

[0003] In view of the technical problems existing in the background art, the present utility model aims to provide a sealing mechanism for a bag making machine, wherein the moving table and the moving plate come together to seal the continuous roll material.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: the sealing mechanism of the bag making machine includes a sealing assembly, the sealing assembly includes a cooperating moving table and a moving plate, the moving table and the moving plate are both movably arranged left and right, the moving table includes a first upright plate, a transmission rod is rotatably arranged, the transmission rod is respectively hinged to a first connecting rod and a second connecting rod and the center of rotation in the vertical direction is located between the hinge points, the first connecting rod and the second connecting rod are respectively hinged to the first upright plate and the moving plate.

[0005] In this design, the transmission rod drives the first vertical plate and the moving plate to move closer together via the first and second connecting rods, achieving a seal with sufficient pressure.

[0006] Preferably, the sealing assembly further includes a fixed platform, the movable platform is movably disposed on the fixed platform, the movable platform further includes a second upright plate, the movable plate is movably disposed on the movable platform, the movable plate is located between the second upright plate and the first upright plate, both the second upright plate and the movable plate are connected to pressure plates, and the transmission rod is rotatably disposed on the fixed platform.

[0007] In this design, the second vertical plate of the moving platform directly participates in the pressing process, while the first vertical plate is connected to the power source for transmission. The rolled material is conveyed along the front-to-back direction, and the sealing components are distributed in the left-to-right direction, thus reducing the length of the bag-making machine.

[0008] Preferably, there are two transmission rods, and the two ends of the third connecting rod are respectively hinged to the ends of the transmission rods. The third connecting rod extends vertically, and the middle part of the third connecting rod is hinged to one end of the transmission shaft. The other end of the transmission shaft is hinged to the swing arm, and the swing arm is oscillating on the fixed platform.

[0009] In this design, the swing arm swings, and through the third link, it drives the two transmission rods to rotate synchronously, so that the moving platform and the moving plate are subjected to forces both above and below.

[0010] Preferably, the fixed platform is movably mounted on the machine platform, the machine platform is movably mounted on a movable seat, the movable seat is provided with a telescopic insertion shaft, and the fixed platform is provided with an insertion hole for inserting the insertion shaft.

[0011] In this design, the insert shaft is inserted into the insertion hole, and the movable seat drives the fixed platform to move back and forth to adapt to changes in the width of the bag.

[0012] Preferably, the sealing components are in multiple sets. The middle part of the swing arm is hinged to the drive shaft. The end of the swing arm is provided with a roller. The roller is slidably fitted with a groove. The groove is set on the linkage frame and extends in the front-rear direction. The linkage frame is located on the right side of the fixed platform. Both ends of the linkage frame are connected to one end of the driven arm. The other end of the driven arm is connected to a rotating shaft. The rotating shaft is rotatably set and connected to a fourth link. The end of the fourth link is hinged to one end of a fifth link. The other end of the fifth link is hinged to the active arm. The active arm is connected to a drive shaft. The drive shaft is connected to a drive motor. The drive motor is located below the machine platform.

[0013] In this solution, the sealing components can be divided into bottom sealing, longitudinal sealing, cooling and shaping, etc. according to their functions. The drive motor drives the drive shaft to rotate, which in turn drives the linkage frame to swing. The slide is connected to multiple swing arms for transmission, and one power source enables multiple sealing operations to be carried out simultaneously.

[0014] Preferably, the fixed platform is connected to a mounting block, and the mounting block is provided with parallel guide rods that extend vertically.

[0015] In this scheme, the continuous coil material is guided.

[0016] Preferably, the third connecting rod has a connecting block in the middle, and a cylinder is hinged to the connecting block. The cylinder is connected to the transmission shaft.

[0017] In this design, the cylinder acts as an elastic element, ensuring the pressure required for the pressure plates to close.

[0018] Preferably, the fixed platform is connected to a guide block, the guide block is slidably fitted with a guide rail, the guide rail is disposed on the machine platform, the movable seat is disposed below the fixed platform, the insertion hole is disposed at the bottom of the fixed platform, the machine platform is provided with an elongated hole for the insertion shaft to pass through and the elongated hole is located between the guide rails, the fixed platform is connected to an indicator plate, the indicator plate is equipped with a scale, and the scale is disposed on the machine platform.

[0019] In this design, the combination of the scale and the indicator makes it easy for operators to observe the distance of the fixed platform's forward and backward movement adjustment. The guide block and guide rail guide the forward and backward movement of the fixed platform, and the lower-mounted moving seat has a compact structure.

[0020] Preferably, it further includes two sets of traction components, with the sealing component located between the two sets of traction components in the front-to-back direction. The traction component includes a conveyor roller group and a guide plate group, which are arranged vertically in an alternating manner. The guide plate group forms a feed inlet that opens to the front.

[0021] In this scheme, the guide plate group guides the continuous roll material, and the conveyor roller group actively transports the continuous roll material.

[0022] Preferably, the conveyor roller assembly is respectively mounted on a first vertical shaft and a second vertical shaft. The first vertical shaft is connected to a traction motor, which is located below the mounting plate. The first vertical shaft is provided with a first gear, and the second vertical shaft is provided with a second gear. The first gear and the second gear mesh. A second vertical plate is mounted on the mounting plate, swinging left and right. The second vertical plate is movably connected to a rotating shaft, which is connected to a handle and a mounting arm. The second vertical shaft is located between the mounting arms.

[0023] In this scheme, after the second vertical plate swings into position, the handle is used to rotate the rotating shaft to drive the second vertical shaft to swing into position, thus completing the installation of the conveyor roller group.

[0024] The beneficial effects of this utility model are that the rotation of the transmission rod drives the moving platform to the right via the first connecting rod, and drives the moving plate to the left via the second connecting rod, resulting in the pressure plate closing and sufficient pressure. Therefore, this utility model has substantial features and progress compared with the prior art. Attached Figure Description

[0025] The following description, in conjunction with the accompanying drawings, details the embodiments and working principles of this utility model.

[0026] Figure 1 This is a schematic diagram of the structure of this utility model.

[0027] Figure 2 This is a three-dimensional structural diagram of the bottom sealing component of this utility model.

[0028] Figure 3 This is a three-dimensional structural diagram of the machine platform in this utility model.

[0029] Figure 4 This is a three-dimensional structural diagram of the movable base in this utility model.

[0030] Figure 5 This is a three-dimensional structural diagram of the fixed platform in this utility model.

[0031] Figure 6 This is a three-dimensional structural diagram of the linkage frame in this utility model.

[0032] Figure 7 This is a three-dimensional structural diagram of the traction component in this utility model.

[0033] In the diagram: 1. Bottom sealing assembly; 2. Sealing assembly; 3. Resealing assembly; 4. Fixed platform; 5. Moving platform; 6. Second vertical plate; 7. First vertical plate; 8. Moving plate; 9. Pressure plate; 10. Transmission rod; 11. Third connecting rod; 12. Swing arm; 13. Guide block; 14. Guide rail; 15. Machine base; 16. Moving seat; 17. Insert shaft; 18. Long slot; 19. Insertion hole; 20. Roller; 21. Slide groove; 22. Linkage frame; 23. Driven arm; 24. Rotating shaft; 25. Fourth connecting rod; 26. Fifth connecting rod; 27. 1. Active arm; 28. Drive shaft; 29. ​​Drive motor; 30. Second connecting rod; 31. Guide rod; 32. Connecting block; 33. Cylinder; 34. Transmission shaft; 35. Indicator plate; 36. Scale; 37. Traction assembly; 38. Conveyor roller group; 39. Guide plate group; 40. First vertical shaft; 41. Second vertical shaft; 42. First connecting rod; 43. Mounting plate; 44. First gear; 45. Second gear; 46. Third vertical plate; 47. Rotating shaft; 48. Handle; 49. Mounting arm; 50. Cooling and shaping assembly. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the implementation of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0035] In the description of this application, it should be understood that the terms "upper" and "lower" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0036] In the description of this application, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated.

[0037] See appendix Figure 1-2In this embodiment, a sealing mechanism for a bag-making machine includes a bottom sealing assembly 1, a sealing assembly 2, and a cooling and shaping assembly 50 arranged sequentially. Each of the bottom sealing assembly 1, the sealing assembly 2, and the cooling and shaping assembly 50 includes a fixed platform 4 and a movable platform 5. The movable platform 5 is movably mounted on the fixed platform 4. The movable platform 5 includes a second upright plate 6 and a first upright plate 7. A movable plate 8 that moves left and right is provided on the movable platform 5. The movable plate 8 is located between the second upright plate 6 and the first upright plate 7. Both the second upright plate 6 and the movable plate 8 are connected to pressure plates 9. A transmission rod 10 is rotatably mounted on the fixed platform 4. The transmission rod 10 is hinged to a first connecting rod 42 and a second connecting rod 30, respectively, and its vertical rotation center is located between the hinge points. The first connecting rod 42 and the second connecting rod 30 are hinged to the first upright plate 7 and the movable plate 8, respectively.

[0038] See appendix Figure 5-6 The transmission rod 10 consists of two rods. The two ends of the third connecting rod 11 are hinged to the ends of the transmission rod 10. The third connecting rod 11 extends vertically and has a connecting block 32 in the middle. The connecting block 32 is hinged to a cylinder 33, which is connected to the transmission shaft 34. The swing arm 12 is oscillating on the fixed platform 4. The middle of the swing arm 12 is hinged to the transmission shaft 34. The end of the swing arm 12 is provided with a roller 20. The roller 20 is slidably fitted with a groove 21, which is provided on the linkage frame 22 and extends in the front-rear direction.

[0039] See appendix Figure 6 The linkage frame 22 is located on the right side of the fixed platform 4. Both ends of the linkage frame 22 are connected to one end of the driven arm 23. The other end of the driven arm 23 is connected to a rotating shaft 24. The rotating shaft 24 is rotatably set and is connected to a fourth link 25. The end of the fourth link 25 is hinged to one end of a fifth link 26. The other end of the fifth link 26 is hinged to the active arm 27. The active arm 27 is connected to a drive shaft 28. The drive shaft 28 is connected to a drive motor 29. The drive motor 29 is located below the machine base 15. The fixed platform 4 is connected to a mounting block. The mounting block is provided with parallel guide rods 31, which extend vertically.

[0040] In this embodiment, the drive motor 29 drives the drive shaft 28 to rotate, the active arm 27 swings around the axis of the drive shaft 28, and drives the fourth link 25 to swing through the fifth link 26. The rotating shaft 24 rotates with the fourth link 25, and the linkage frame 22 swings around the axis of the rotating shaft 24 with the driven arm 23. Multiple swing arms 12 swing with the linkage frame 22. The swing arms 12 drive the third link 11 through the transmission shaft 34. The third link 11 drives the upper and lower transmission rods 10 to rotate. The two transmission rods 10 drive the moving table 5 to move to the right and the moving plate 8 to move to the left synchronously through the first link 42 and the second link 30. The bottom sealing, longitudinal sealing and cooling shaping actions are the same. The pressure plate 9 of the bottom sealing and longitudinal sealing are heat sealing plates, which extend in the front and rear direction and vertically, respectively. The pressure plate 9 of the cooling shaping is a cooling plate.

[0041] The drive structure of the linkage frame 22 is designed so that the drive motor 29 is located below the fixed platform 4. Changing the position of the drive motor 29 can adjust the design of the drive structure. The roller 20 and the slide groove 21 slide together. When the fixed platform 4 moves back and forth, the roller 20 and the slide groove 21 remain connected and the resistance is small. The guide rod 31 cooperates with the traction component 37 to vertically guide the continuous roll material. The continuous roll material is conveyed intermittently. A re-sealing component 3 is also provided to repeatedly seal longitudinally to ensure the longitudinal sealing effect. The sealing edge formed by the sealing component 2 can become the sealing edge of two adjacent bags after being cut. The fixed platform 4 is equipped with a guide rail to guide the left and right movement of the moving platform 5. The moving platform 5 is equipped with a guide rod to guide the left and right movement of the moving plate 8.

[0042] In other alternative embodiments, the pressure plate 9 can be disposed on the first upright plate 7, with sufficient space between the fixing platform 4 and the first upright plate 7 for the pressure plate 9 to be disposed.

[0043] See appendix Figure 3-5 The fixed platform 4 is movably mounted on the machine base 15. A movable seat 16 is movably mounted on the machine base 15. The movable seat 16 is provided with a telescopic insertion shaft 17. The fixed platform 4 is provided with an insertion hole 19 for the insertion shaft 17 to be inserted. The fixed platform 4 is connected to a guide block 13. The guide block 13 is slidably fitted with a guide rail 14. The guide rail 14 is mounted on the machine base 15. The movable seat 16 is located below the fixed platform 4. The insertion hole 19 is located at the bottom of the fixed platform 4. The machine base 15 is provided with an elongated hole 18 for the insertion shaft 17 to pass through, and the elongated hole 18 is located between the guide rails 14. The fixed platform 4 is connected to an indicator plate 35. The indicator plate 35 is equipped with a scale 36, and the scale 36 is mounted on the machine base 15.

[0044] In this embodiment, when the width of the bag changes, the insertion shaft 17 is inserted into the insertion hole 19, and the movable seat 16 drives the fixed platform 4 to move back and forth. The movable seat 16 is connected to the synchronous belt, which is connected to the motor through the synchronous pulley. The movable seat 16 is also connected to the slider, and the slider guides the slider with the slide rail. The insertion shaft 17 is connected to the cylinder 33. The indicator 35 points to the scale on the ruler 36, which makes it convenient for the operator to confirm whether the adjustment is in place.

[0045] In other alternative implementations, the movable base can be located on either side of the fixed platform.

[0046] See appendix Figure 1 , 7 It also includes two sets of traction components 37. The bottom sealing component 1 and the sealing component 2 are located between the two sets of traction components 37 in the front-back direction. The traction component 37 includes a conveyor roller group 38 and a guide plate group 39. The conveyor roller group 38 and the guide plate group 39 are arranged vertically and staggered. The guide plate group 39 forms a feed port that opens to the front. The conveyor roller group 38 is respectively arranged on a first vertical shaft 40 and a second vertical shaft 41. The first vertical shaft 40 is connected to a traction motor, which is located below the mounting plate 43. The first vertical shaft 40 is provided with a first gear 44, and the second vertical shaft 41 is provided with a second gear 45. The first gear 44 and the second gear 45 mesh. A third vertical plate 46 is swayed left and right on the mounting plate 43. The third vertical plate 46 is movably connected to a rotating shaft 47. The rotating shaft 47 is connected to a handle 48 and a mounting arm 49. The second vertical shaft 41 is located between the mounting arms 49.

[0047] In this embodiment, two sets of traction components 37 are arranged in front and behind to maintain the tension of the continuous roll material, the guide plate group 39 provides guidance, the conveyor roller group 38 provides active conveying, the third vertical plate 46 swings into position, the handle 48 is turned to drive the rotating shaft 24 to rotate, and the second vertical shaft 41 swings into position. The installation design is reasonable.

[0048] The above description represents the preferred embodiment of this utility model. It should be noted that the protection scope of this utility model is not limited thereto. For those skilled in the art, various improvements, modifications, or equivalent substitutions can be made without departing from the equivalent inventive concept disclosed in this utility model, and these modifications and substitutions are also considered to be within the protection scope of this utility model.

Claims

1. A sealing mechanism of a bag making machine, characterized by: The sealing assembly (2) comprises a movable base (5) and a movable plate (8) which are arranged to move left and right, the movable base (5) comprises a first vertical plate (7), a transmission rod (10) is arranged to rotate, the transmission rod (10) is hingedly connected with a first connecting rod (42) and a second connecting rod (30) respectively, the vertical rotation center of the transmission rod (10) is located between the hinged points, the first connecting rod (42) and the second connecting rod (30) are hingedly connected with the first vertical plate (7) and the movable plate (8) respectively.

2. A sealing mechanism for a bag making machine as claimed in claim 1, wherein: The sealing assembly (2) further comprises a fixed base (4), the movable base (5) is arranged to move left and right on the fixed base (4), the movable base (5) further comprises a second vertical plate (6), the movable plate (8) is arranged to move left and right on the movable base (5), the movable plate (8) is located between the second vertical plate (6) and the first vertical plate (7), the second vertical plate (6) and the movable plate (8) are both connected with a pressing plate (9), the transmission rod (10) is arranged to rotate on the fixed base (4).

3. A sealing mechanism for a bag making machine as claimed in claim 2, wherein: The number of the transmission rod (10) is two, a third connecting rod (11) is hingedly connected with the end of the transmission rod (10) respectively, the third connecting rod (11) extends vertically, the middle part of the third connecting rod (11) is hingedly connected with one end of a transmission shaft (34), the other end of the transmission shaft (34) is hingedly connected with a swing arm (12), the swing arm (12) is arranged to swing on the fixed base (4).

4. A sealing mechanism for a bag making machine as claimed in claim 2, wherein: The fixed base (4) is arranged to move forward and backward on a machine table (15), a movable seat (16) is arranged to move forward and backward on the machine table (15), the movable seat (16) is provided with an extendable insertion shaft (17), the fixed base (4) is provided with a insertion hole (19) for the insertion of the insertion shaft (17).

5. A sealing mechanism for a bag making machine as claimed in claim 3, wherein: The number of the sealing assembly (2) is multiple, the middle part of the swing arm (12) is hingedly connected with the transmission shaft (34), the end of the swing arm (12) is provided with a roller (20), the roller (20) is slidingly matched with a sliding groove (21), the sliding groove (21) is arranged on a linkage frame (22), the sliding groove (21) extends in the front and back direction, the linkage frame (22) is located on the right side of the fixed base (4), the two ends of the linkage frame (22) are connected with one end of a driven arm (23), the other end of the driven arm (23) is connected with a rotating shaft (24), the rotating shaft (24) is arranged to rotate, the rotating shaft (24) is connected with a fourth connecting rod (25), the end of the fourth connecting rod (25) is hingedly connected with one end of a fifth connecting rod (26), the other end of the fifth connecting rod (26) is hingedly connected with a driving arm (27), the driving arm (27) is connected with a driving shaft (28), the driving shaft (28) is drivingly connected with a driving motor (29), the driving motor (29) is located below the machine table (15).

6. A sealing mechanism for a bag making machine as claimed in claim 2, wherein: The fixed base (4) is connected with a mounting block, the mounting block is provided with parallel guide rods (31), the guide rods (31) extend vertically.

7. A sealing mechanism for a bag making machine as claimed in claim 3, wherein: The third connecting rod (11) is provided with a connecting block (32) in the middle, the connecting block (32) is hinged with a cylinder (33), and the cylinder (33) is connected with the transmission shaft (34).

8. A sealing mechanism for a bag making machine as claimed in claim 4, wherein: The fixed table (4) is connected with a guide block (13), the guide block (13) is slidingly connected with a guide rail (14), the guide rail (14) is arranged on the machine table (15), the movable seat (16) is arranged below the fixed table (4), the jack (19) is arranged at the bottom of the fixed table (4), the machine table (15) is provided with a long hole (18) for the plug shaft (17) to pass through, and the long hole (18) is located between the guide rails (14), the fixed table (4) is connected with an indicating piece (35), the indicating piece (35) is provided with a scale (36), and the scale (36) is arranged on the machine table (15).

9. A sealing mechanism for a bag making machine as claimed in claim 1, wherein: Two groups of traction assemblies (37) are further included, the sealing assembly (2) is located between the two groups of traction assemblies (37) in the front-rear direction, the traction assembly (37) includes a conveying roller group (38) and a guide piece group (39), the conveying roller group (38) and the guide piece group (39) are vertically staggered, and the guide piece group (39) forms a feeding port open to the front side.

10. A sealing mechanism for a bag making machine as claimed in claim 9, wherein: The conveying roller group (38) is arranged on the first vertical shaft (40) and the second vertical shaft (41) respectively, the first vertical shaft (40) is connected with a traction motor, the traction motor is arranged below the mounting plate (43), the first vertical shaft (40) is provided with a first gear (44), the second vertical shaft (41) is provided with a second gear (45), the first gear (44) is engaged with the second gear (45), the mounting plate (43) is provided with a third vertical plate (46) which swings left and right, the third vertical plate (46) is movably connected with a rotating shaft (47), the rotating shaft (47) is connected with a handle (48), the rotating shaft (47) is connected with a mounting arm (49), and the second vertical shaft (41) is arranged between the mounting arms (49).

Images