Double-sealing device and bagging packaging machine

Abstract

The utility model discloses a double-sealing device and a bagging packaging machine, and relates to the technical field of packaging machinery, the double-sealing device comprises a material receiving platform, a conveying mechanism, a bag mouth clamping mechanism and a heat sealing mechanism, the material receiving platform is used for receiving packaging bags filled with materials, the conveying mechanism is used for conveying the packaging bags filled with the materials, and the heat sealing mechanism is used for sealing the packaging bags filled with the materials. Two sets of conveying mechanisms are in butt joint with the material receiving platform, a heat sealing mechanism is arranged on one side of each conveying mechanism, and the bag opening clamping mechanism is configured to clamp and rotate bag openings of packaging bags on the material receiving platform to the conveying mechanisms. Compared with the prior art, an original rotatable rotating disc structure is changed into the fixed material receiving platform, the position of the conveying mechanism is changed, the bag opening clamping mechanism can directly transfer packaging bags to the conveying mechanism, then driving of the rotating disc structure and a material pushing mechanism can be omitted, the complexity of the sealing device structure is reduced, and the sealing efficiency is improved. And the equipment cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to packaging machinery technical field especially, it is more specific to relate to a double sealing device and bagging machine. BACKGROUND

[0002] The bagging machine is the mechanical equipment that adopts prefabricated packing bag to package material, which is to complete the bagging by putting the bag on the material, or to complete the bagging by putting the material into the bag.

[0003] The current bagging machine needs to seal the opening position of the packing bag after the material is put into the prefabricated packing bag or the prefabricated packing bag is put on the material. The action principle of the existing bagging machine is that the prefabricated bag is sucked out from the bag warehouse by the bag suction mechanism, is put on the bag opening mechanism, then the material is pushed into the packing bag from the bag opening mechanism by the material pushing mechanism, and then the material is continuously pushed to the sealing mechanism for sealing operation.

[0004] For example, the utility model patent with the name of "sealing device for bagging machine" and the authorization announcement number of CN214986499U and the authorization announcement date of December 3, 2021, the utility model patent comprises a bag opening arrangement mechanism, a bag opening clamping mechanism, a packing bag conveying mechanism and a heat sealing mechanism, the packing bag conveying mechanism is a rotating disc structure, which is used for rotating conveying the packing bag with material; the bag opening arrangement mechanism and the heat sealing mechanism are both fixedly arranged on the circumference side of the packing bag conveying mechanism, the bag opening arrangement mechanism arranges the bag opening of the packing bag on the packing bag conveying mechanism, the bag opening clamping mechanism clamps the bag opening arranged by the bag opening arrangement mechanism, and rotates together with the packing bag conveying mechanism, and the arranged packing bag bag opening is placed in the heat sealing mechanism for heat sealing. In the utility model patent, the packing bag conveying mechanism is a rotatable rotating disc structure, when the bag opening clamping mechanism moves the packing bag to the heat sealing mechanism, the packing bag conveying mechanism and the bag opening clamping mechanism rotate synchronously, the rotating disc of the packing bag conveying mechanism bears the packing bag with material above it, and the bag opening clamping mechanism rotates the packing bag to the position of the heat sealing mechanism, and the heat sealing mechanism performs heat sealing on it, and when the heat sealing is completed, the rotating disc of the packing bag conveying mechanism continues to rotate and moves the packing bag to the discharging station.

[0005] The sealing device for the bagging machine in the above-mentioned prior art needs to move synchronously with the bag opening clamping mechanism, and the rotating disc needs to be driven by a driving mechanism, which is relatively complex in structure and has high equipment cost. When the rotating disc drives the sealing packing bag to move to the discharging station, a material pushing mechanism also needs to be provided to push the sealing packing bag to the output belt, which also increases the cost of the equipment. UTILITY MODEL CONTENTS

[0006] To overcome the defects and deficiencies in the existing technology, this utility model provides a double-sealing device and a bagging packaging machine. The double-sealing device of this utility model includes a receiving platform, a conveying mechanism, a bag-clamping mechanism, and a heat-sealing mechanism. The receiving platform is used to receive packaging bags containing materials. Two sets of conveying mechanisms are connected to the receiving platform. A heat-sealing mechanism is provided on one side of the conveying mechanism. The bag-clamping mechanism is configured to clamp and rotate the bag opening of the packaging bag on the receiving platform to the position of one of the conveying mechanisms. After the bag opening is heat-sealed by the heat-sealing mechanism on the corresponding side of the conveying mechanism, the bag is conveyed to the side of the packaging bag opening facing the conveying direction of the conveying mechanism. When one of the heat-sealing mechanisms is operating, the bag-clamping mechanism clamps and rotates the next packaging bag containing materials to the position of the other set of conveying mechanisms. After the bag opening is heat-sealed by the heat-sealing mechanism on the corresponding side of the conveying mechanism, the bag is conveyed to the side of the packaging bag opening facing the conveying direction of the conveying mechanism.

[0007] Compared with the prior art, this utility model replaces the original rotatable turntable structure with a fixed receiving platform and changes the position of the conveying mechanism, so that the bag clamping mechanism can directly transfer the packaging bag to the conveying mechanism. This eliminates the need for the turntable drive and the pushing mechanism, reducing the complexity of the sealing device structure and the cost of the equipment. Furthermore, this utility model uses two sets of conveying mechanisms with two sets of heat sealing mechanisms, which improves the sealing efficiency.

[0008] To overcome the shortcomings of the prior art, the present invention is achieved through the following technical solution:

[0009] A double-sealing device includes a receiving platform, a conveying mechanism, a bag-clamping mechanism, and a heat-sealing mechanism. The receiving platform receives packaging bags containing materials and connects to two sets of conveying mechanisms. A heat-sealing mechanism is provided on one side of each conveying mechanism. The bag-clamping mechanism is configured to clamp the bag opening of the packaging bag on the receiving platform and rotate it to the position of one of the conveying mechanisms. The bag opening then aligns with the heat-sealing mechanism on the corresponding conveying mechanism for heat sealing. The sealed packaging bag is then output by the conveying mechanism. When one of the heat-sealing mechanisms is operating, the bag-clamping mechanism operates to clamp and rotate the next packaging bag containing materials from the receiving platform to the position of the other set of conveying mechanisms. The bag opening then aligns with the heat-sealing mechanism on the corresponding conveying mechanism for heat sealing. The sealed packaging bag is then output by the conveying mechanism.

[0010] Furthermore, the receiving platform is provided with a bag receiving station for receiving packaging bags of materials. Telescopic baffles are provided on both sides of the bag receiving station. The telescopic baffles on both sides extend or retract alternately on the receiving platform. The telescopic baffles are located on the side of the receiving platform closer to the conveying mechanism.

[0011] Further, the telescopic baffle is connected with a telescopic cylinder, which is located below the receiving platform and drives the telescopic baffle to extend or retract the receiving platform.

[0012] Further, the rear end of the bag receiving station is provided with an end baffle for limiting the length of the packaging bag entering the bag receiving station.

[0013] Further, the bag clamping mechanism comprises a mounting frame, a connecting shaft, an upper bag clamping component, a lower bag clamping component, a transmission component, a bag clamping driving component and a rotation driving component, the receiving platform is fixed on the mounting frame, the upper bag clamping component and the lower bag clamping component are oppositely mounted on the connecting shaft, the connecting shaft is mounted on the mounting frame, the bag clamping driving component is mounted on the mounting frame, the bag clamping driving component drives the upper bag clamping component and the lower bag clamping component to relatively move along the connecting shaft through the transmission component, the rotation driving component is connected with the connecting shaft to drive the connecting shaft to rotate relative to the mounting frame, and the connecting shaft drives the upper bag clamping component and the lower bag clamping component to rotate together.

[0014] Further, the upper bag clamping component comprises an upper bag clamping plate and an upper connecting plate, the lower bag clamping component comprises a lower bag clamping plate and a lower connecting plate, one end of the upper connecting plate is fixedly connected with the connecting shaft, the other end is fixedly connected with the upper end of the upper bag clamping plate, and the lower end of the upper bag clamping plate corresponds to the upper end of the lower bag clamping plate, one end of the lower connecting plate is mounted on the connecting shaft through a sliding connection seat, and the other end is connected with the lower end of the lower bag clamping plate, and the sliding connection seat moves axially along the connecting shaft and rotates with the connecting shaft.

[0015] Further, the transmission component comprises a swing arm, a transmission rod I, a transmission rod II, a transmission sliding table I and a transmission sliding table II, the swing arm is connected with the bag clamping driving component and is driven by the bag clamping driving component to swing back and forth, one end of the swing arm is hinged with one end of the transmission rod I, and the other end of the swing arm is hinged with one end of the transmission rod II, the other end of the transmission rod I is hinged with the transmission sliding table I, and the other end of the transmission rod II is hinged with the transmission sliding table II, the mounting frame is provided with sliding rails matched with the transmission sliding table I and the transmission sliding table II respectively, the connecting shaft is fixedly connected with a chuck I, the transmission sliding table I is provided with a chuck groove I matched with the chuck I, and the lower bag clamping component is fixedly provided with a chuck II, and the transmission sliding table II is provided with a chuck groove II matched with the chuck II.

[0016] Further, the mounting frame comprises a mounting vertical plate, a mounting top plate and a mounting bottom plate, the mounting vertical plate is vertically arranged on the mounting bottom plate, the mounting top plate is assembled on the mounting vertical plate in parallel with the mounting bottom plate, the receiving platform is fixedly assembled on the mounting top plate, the connecting shaft is assembled with the mounting top plate and the mounting bottom plate through the rotary connecting sleeve, and the upper end of the connecting shaft extends upward through the mounting top plate and the receiving platform, the rotary drive assembly is assembled on the mounting bottom plate, and the bag clamping drive assembly is assembled on the mounting vertical plate.

[0017] The second aspect of the utility model provides a bagging machine, including feeding conveyor, bag storehouse device, take bag device, draw bag bagging device, rotary bag supporting device, push material device and the double sealing device of above-mentioned first aspect, the feeding conveyor is configured to convey the material to be packaged, the take bag device is configured to take out the packaging bag from the bag storehouse device, the draw bag bagging device is configured to the packaging bag taken out by the take bag device is covered on the rotary bag supporting device, the push material device is configured to push the material to be packaged conveyed by the feeding conveyor into the packaging bag on the rotary bag supporting device, and continue to push back, so that the packaging bag filled with material is pushed to the sealing device on the rotary bag supporting device.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] 1、 the utility model discloses the disc structure of existing sealing device is changed into receiving platform structure, cancels the drive structure of disc, simplifies the structure of bagging machine sealing device, and saves the equipment cost.

[0020] 2、 the utility model discloses two sets of conveying mechanisms are used to match two sets of heat sealing mechanisms, the bag opening of the packaging bag on the receiving platform is clamped by the bag opening clamping mechanism, and the packaging bag on the receiving platform is clamped and rotated to the position of one set of conveying mechanism, the bag opening of the packaging bag is docked with the heat sealing mechanism on one side of the corresponding conveying mechanism to be heat sealed, and the packaging bag is output from the conveying mechanism.

[0021] 3. This utility model relies on a bag clamping mechanism to realize the movement of the packaging bag between the bag receiving station and the conveying mechanism. By connecting the conveying mechanism with the receiving platform, the displacement of the packaging bag transferred by the bag clamping mechanism is limited, and its sealing output efficiency is the same as that of existing sealing devices.

[0022] 4. This utility model incorporates a telescopic baffle at the bag receiving station, which limits the posture of the packaging bags entering the receiving platform, ensuring the neatness of the bag opening when gripped by the bag clamping mechanism and preventing the packaging bags from becoming skewed. Furthermore, an end baffle allows the size of the bag receiving station to be adjusted according to the size of the material and the packaging bag, ensuring the correct posture of the packaging bags upon entering the receiving platform. When the bag clamping mechanism transfers the packaging bags, the telescopic baffle retracts below the receiving platform, allowing the bag clamping mechanism to smoothly transfer the packaging bags to the conveyor mechanism. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of the double-sealing device of this utility model;

[0024] Figure 2 for Figure 1 Schematic diagram of the rotation direction of the middle clamp bag opening mechanism

[0025] Figure 3 This is a schematic diagram of the heat sealing mechanism and bag clamping mechanism on one side of the double sealing device in this utility model. Figure 1 ;

[0026] Figure 4 for Figure 3 Schematic diagram of the heat sealing mechanism and bag clamping mechanism on one side of the double sealing device Figure 2 ;

[0027] Figure 5 This is a three-dimensional structural diagram of the bagging packaging machine of this utility model.

[0028] Reference numerals: 1. Receiving platform; 2. Bag clamping mechanism; 3. Conveying mechanism; 4. Bag receiving station; 5. Double sealing device; 6. Telescopic baffle; 7. End baffle; 8. Telescopic cylinder; 9. Heat sealing mechanism; 10. Mounting frame; 11. Connecting shaft; 12. Bag clamping drive assembly; 13. Rotary drive assembly; 14. Upper bag clamping plate; 15. Upper connecting plate; 16. Lower bag clamping plate; 17. Lower connecting plate; 18. Sliding connecting seat; 19. Swing arm; 20. Transmission rod I; 21. Transmission rod II; 22. Transmission slide I; 23. Transmission slide II; 24. Slide rail; 25. Chuck I; 26. Chuck slot I; 27. Chuck II; 28. Mounting vertical plate; 29. ​​Mounting top plate; 30. Mounting bottom plate; 31. Feeding conveyor; 32. Bag storage device; 33. Bag retrieval device. Detailed Implementation

[0029] The technical solution of this utility model will be further described in detail below with reference to the accompanying drawings. It should be noted that the description of these embodiments is for the purpose of aiding understanding of this utility model, but does not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0030] Example 1

[0031] like Figure 1 As shown, a double-sealing device includes a receiving platform 1, a conveying mechanism 3, a bag-clamping mechanism 2, and a heat-sealing mechanism 9. The receiving platform 1 is used to receive packaging bags containing materials. Two sets of conveying mechanisms 3 are connected to the receiving platform 1, and a heat-sealing mechanism 9 is provided on one side of each conveying mechanism 3. The bag-clamping mechanism 2 is configured to clamp the bag opening of the packaging bag on the receiving platform 1 and rotate the packaging bag on the receiving platform 1 to the position of one of the conveying mechanisms 3. The bag opening of the packaging bag is connected to the heat-sealing mechanism 9 on the corresponding side of the conveying mechanism 3 for heat sealing. The sealed packaging bag is output from the conveying mechanism 3. When one of the heat-sealing mechanisms 9 is operating, the bag-clamping mechanism 2 is activated, clamping and rotating the next packaging bag containing materials from the receiving platform 1 to the position of the other set of conveying mechanisms 3. The bag opening of the packaging bag is connected to the heat-sealing mechanism 9 on the corresponding side of the conveying mechanism 3 for heat sealing. The sealed packaging bag is output from the conveying mechanism 3.

[0032] In this embodiment, the turntable structure in the existing sealing device is replaced with a receiving platform 1 structure, eliminating the turntable's drive structure, simplifying the structure of the sealing device for the bagging machine, and saving equipment costs. Simultaneously, this invention connects the existing sealing device's conveying mechanism 3 with the receiving platform 1 and the bag clamping mechanism 2, allowing the packaging bags held by the bag clamping mechanism 2 to be directly transferred to the conveying mechanism 3. This allows for direct conveying or conveying after heat sealing. Compared to existing sealing devices, this further omits the pushing device that pushes the sealed packaging bags from the turntable to the conveying mechanism 3, further simplifying the equipment structure and saving equipment costs.

[0033] In the embodiment, two sets of conveying mechanisms 3 are matched with two sets of heat sealing mechanisms 9, the bag mouth clamping mechanism 2 clamps the bag mouth of the packaging bag on the receiving platform 1 and rotates the packaging bag on the receiving platform 1 to the position of one set of conveying mechanisms 3, the bag mouth of the packaging bag is connected with the heat sealing mechanism 9 on one side of the corresponding conveying mechanism 3 to perform heat sealing, and the packaging bag with the sealed bag mouth is output by the conveying mechanism 3; when one of the heat sealing mechanisms 9 is in operation, the bag mouth clamping mechanism 2 rotates the next packaging bag containing materials on the receiving platform 1 to the position of the other set of conveying mechanisms 3, the bag mouth of the packaging bag is connected with the heat sealing mechanism 9 on one side of the corresponding conveying mechanism 3 to perform heat sealing, and the packaging bag with the sealed bag mouth is output by the conveying mechanism 3, thereby improving the sealing efficiency.

[0034] As an example of the embodiment, the bag mouth of the packaging bag is folded and sealed, and a corresponding sealing mechanism can be arranged on one side of the conveying mechanism 3 to perform corresponding sealing.

[0035] According to the above example, the sealing form of the sealing device mentioned in the embodiment can be changed, and various sealing packaging specifications can be met.

[0036] As an example, as shown in Figures 1-2 , the bag mouth clamping mechanism 2 rotates the packaging bag on the receiving platform 1 to the position of one set of conveying mechanisms 3, i.e., a work station one, the bag mouth clamping mechanism 2 places the packaging bag on the work station one, and then rotates back to the receiving platform 1 according to the original path; then the bag mouth of the packaging bag on the conveying mechanism 3 is connected with the heat sealing mechanism 9 on one side of the conveying mechanism 3 to perform heat sealing, and the packaging bag with the sealed bag mouth is output by the conveying mechanism 3; when the bag mouth of the packaging bag is heat sealed by the previous heat sealing mechanism 9, the bag mouth clamping mechanism 2 rotates the next packaging bag containing materials on the receiving platform 1 to the position of the other set of conveying mechanisms 3, i.e., a work station two, the bag mouth clamping mechanism 2 places the packaging bag on the work station two, and then rotates back to the receiving platform 1 according to the original path, the bag mouth of the packaging bag on the conveying mechanism 3 is connected with the heat sealing mechanism 9 on one side of the conveying mechanism 3 to perform heat sealing, and the packaging bag with the sealed bag mouth is output by the conveying mechanism 3. The bag mouth clamping mechanism 2 repeats and alternates according to the above operation.

[0037] Embodiment 2

[0038] The embodiment is further described and supplemented based on the embodiment 1.

[0039] As shown in Figure 3 , the receiving platform 1 is provided with a bag receiving station 4 for receiving the packaging bag containing materials, and the two sides of the bag receiving station 4 are provided with telescopic baffles 6, the telescopic baffles 6 on the two sides are alternately extended or retracted into the receiving platform 1, and the telescopic baffles 6 are located on one side of the receiving platform 1 close to the conveying mechanism 3;

[0040] The telescopic baffle 6 is connected with a telescopic cylinder 8, which is located below the receiving platform 1, and drives the telescopic baffle 6 to extend or retract from the receiving platform 1.

[0041] Further, the rear end of the bag receiving station 4 is provided with an end baffle 7 for limiting the length of the packaging bag entering the bag receiving station 4. The end baffle 7 is further provided to change the size of the bag receiving station 4 according to the size of the material and the size of the packaging bag, and to ensure the posture of the packaging bag entering the receiving platform 1.

[0042] In implementation, the packaging bag containing material is located on the bag receiving station 4, the telescopic baffle 6 on one side of the bag receiving station 4 is extended to cooperate with the end baffle 7 to avoid the packaging bag from being skewed and to ensure the neatness of the bag opening clamped by the bag opening clamping mechanism 2. When the bag opening clamping mechanism 2 transfers the packaging bag containing material to the conveying mechanism 3 on the side of the receiving platform 1 close to the conveying mechanism 3, the extended telescopic baffle 6 is retracted, the next packaging bag containing material is sent to the bag receiving station 4, and at the same time the telescopic baffle 6 on the other side of the bag receiving station 4 is extended. The bag opening clamping mechanism 2 transfers the packaging bag containing material to the conveying mechanism 3 corresponding to the telescopic baffle 6 on the other side of the bag receiving station 4, and then the above-mentioned actions are repeated.

[0043] Embodiment 3

[0044] This embodiment further elaborates and supplements the implementation of the utility model on the basis of embodiment 1 or embodiment 2.

[0045] As shown in Figures 3-4 , the bag opening clamping mechanism 2 comprises a mounting frame 10, a connecting shaft 11, an upper bag opening clamping assembly, a lower bag opening clamping assembly, a transmission assembly, a bag clamping driving assembly 12 and a rotary driving assembly 13. The receiving platform 1 is fixed on the mounting frame 10. The upper bag opening clamping assembly and the lower bag opening clamping assembly are oppositely mounted on the connecting shaft 11. The connecting shaft 11 is mounted on the mounting frame 10. The bag clamping driving assembly 12 is mounted on the mounting frame 10, and drives the upper bag opening clamping assembly and the lower bag opening clamping assembly to relatively move along the connecting shaft 11 in the axial direction through the transmission assembly. The rotary driving assembly 13 is connected with the connecting shaft 11 to drive the connecting shaft 11 to rotate relative to the mounting frame 10, and the connecting shaft 11 drives the upper bag opening clamping assembly and the lower bag opening clamping assembly to rotate together.

[0046] As shown in Figures 3-4As shown in the figure, the upper bag clamping assembly comprises an upper bag clamping plate 14 and an upper connecting plate 15, the lower bag clamping assembly comprises a lower bag clamping plate 16 and a lower connecting plate 17, one end of the upper connecting plate 15 is fixedly connected with the connecting shaft 11, the other end is fixedly connected with the upper end of the upper bag clamping plate 14, the lower end of the upper bag clamping plate 14 corresponds to the upper end of the lower bag clamping plate 16; one end of the lower connecting plate 17 is installed on the connecting shaft 11 through a sliding connecting seat 18, the other end is connected with the lower end of the lower bag clamping plate 16; the sliding connecting seat 18 moves axially along the connecting shaft 11 and rotates with the connecting shaft 11.

[0047] As shown in the figure, Figures 3-4 As shown in the figure, the transmission assembly comprises a swing arm 19, a transmission rod I 20, a transmission rod II 21, a transmission slide table I 22 and a transmission slide table II 23; the swing arm 19 is connected with the bag clamping driving assembly 12 and is driven by the bag clamping driving assembly 12 to reciprocate; one end of the swing arm 19 is hinged with one end of the transmission rod I 20, the other end of the swing arm 19 is hinged with one end of the transmission rod II 21; the other end of the transmission rod I 20 is hinged with the transmission slide table I 22, the other end of the transmission rod II 21 is hinged with the transmission slide table II 23; the mounting frame 10 is provided with slide rails 24 matched with the transmission slide table I 22 and the transmission slide table II 23 respectively; the connecting shaft 11 is fixedly connected with a chuck I 25, the transmission slide table I 22 is provided with a chuck groove I 26 matched with the chuck I 25; the lower bag clamping assembly is fixedly provided with a chuck II 27, the transmission slide table II 23 is provided with a chuck groove II matched with the chuck II 27.

[0048] As shown in the figure, Figures 3-4 As shown in the figure, the mounting frame 10 comprises a mounting vertical plate 28, a mounting top plate 29 and a mounting bottom plate 30, the mounting vertical plate 28 is vertically arranged on the mounting bottom plate 30, the mounting top plate 29 is assembled on the mounting vertical plate 28 parallel to the mounting bottom plate 30, the material receiving platform 1 is fixedly assembled on the mounting top plate 29, the connecting shaft 11 is assembled with the mounting top plate 29 and the mounting bottom plate 30 through a rotary connecting sleeve, and the upper end of the connecting shaft 11 extends upward through the mounting top plate 29 and the material receiving platform 1, the rotary driving assembly 13 is assembled on the mounting bottom plate 30, and the bag clamping driving assembly 12 is assembled on the mounting vertical plate 28.

[0049] Embodiment 4

[0050] This embodiment further elaborates and supplements the embodiment of the utility model on the basis of the embodiment 1, the embodiment 2 or the embodiment 3.

[0051] The embodiment provides a bagging packaging machine, as shown in the figure, Figure 5As shown, it comprises a feeding conveying device 31, a bag storage device 32, a bag taking device 33, a bag pulling and sleeving device, a rotating bag supporting device, a pushing device, and a double sealing device 5 as described in the above embodiments; the feeding conveying device 31 is configured to convey the material to be packaged, the bag taking device 33 is configured to take the packaging bag from the bag storage device 32, the bag pulling and sleeving device is configured to sleeve the packaging bag taken by the bag taking device 33 on the rotating bag supporting device, the pushing device is configured to push the material to be packaged conveyed by the feeding conveying device 31 into the packaging bag on the rotating bag supporting device, and continue to push backward, so that the packaging bag containing the material is pushed off the rotating bag supporting device and onto the sealing device.

Claims

1. A double seaming apparatus comprising a receiving platform (1), a conveying mechanism (3), a bag mouth clamping mechanism (2) and a heat sealing mechanism (9), characterized in that: The material receiving platform (1) is used for receiving the packaging bag containing material, and two groups of conveying mechanisms (3) are connected to the material receiving platform (1). One side of the conveying mechanism (3) is provided with a heat sealing mechanism (9). The bag mouth clamping mechanism (2) is configured to clamp the bag mouth of the packaging bag on the material receiving platform (1) and rotate the packaging bag on the material receiving platform (1) to the position of one group of conveying mechanisms (3), so that the bag mouth of the packaging bag is connected to the heat sealing mechanism (9) on one side of the corresponding conveying mechanism (3) for heat sealing. The packaging bag with the sealed bag mouth is output by the conveying mechanism (3). When one of the heat sealing mechanisms (9) is in operation, the bag mouth clamping mechanism (2) is in action, and the next packaging bag containing material is clamped and rotated from the material receiving platform (1) to the position of the other group of conveying mechanisms (3), so that the bag mouth of the packaging bag is connected to the heat sealing mechanism (9) on one side of the corresponding conveying mechanism (3) for heat sealing. The packaging bag with the sealed bag mouth is output by the conveying mechanism (3).

2. A double closure as claimed in claim 1, characterized in that: The material receiving platform (1) is provided with a bag receiving station (4) for receiving the packaging bag containing material. The bag receiving station (4) is provided with retractable baffles (6) on both sides. The retractable baffles (6) on both sides are alternately extended or retracted from the material receiving platform (1). The retractable baffles (6) are located on one side of the material receiving platform (1) close to the conveying mechanism (3).

3. A double closure as claimed in claim 2, characterized in that: The retractable baffles (6) are connected to the retractable cylinder (8) located below the material receiving platform (1). The retractable cylinder (8) drives the retractable baffles (6) to extend or retract from the material receiving platform (1).

4. A double closure as claimed in claim 2 or 3, characterised in that: The rear end of the bag receiving station (4) is provided with an end baffle (7) for limiting the length of the packaging bag entering the bag receiving station (4).

5. A double closure as claimed in any one of claims 1 to 3, wherein: The bag mouth clamping mechanism (2) comprises a mounting frame (10), a connecting shaft (11), an upper bag mouth clamping assembly, a lower bag mouth clamping assembly, a transmission assembly, a bag clamping driving assembly (12), and a rotation driving assembly (13). The material receiving platform (1) is fixed on the mounting frame (10). The upper bag mouth clamping assembly and the lower bag mouth clamping assembly are oppositely installed on the connecting shaft (11). The connecting shaft (11) is installed on the mounting frame (10). The bag clamping driving assembly (12) is installed on the mounting frame (10). The bag clamping driving assembly (12) drives the upper bag mouth clamping assembly and the lower bag mouth clamping assembly to move relatively along the connecting shaft (11) through the transmission assembly. The rotation driving assembly (13) is connected to the connecting shaft (11) to drive the connecting shaft (11) to rotate relative to the mounting frame (10). The connecting shaft (11) drives the upper bag mouth clamping assembly and the lower bag mouth clamping assembly to rotate together.

6. A double closure as claimed in claim 5, characterised in that: The upper bag clamping assembly comprises an upper bag clamping plate (14) and an upper connecting plate (15), the lower bag clamping assembly comprises a lower bag clamping plate (16) and a lower connecting plate (17), one end of the upper connecting plate (15) is fixedly connected with the connecting shaft (11), the other end is fixedly connected with the upper end of the upper bag clamping plate (14), the lower end of the upper bag clamping plate (14) corresponds to the upper end of the lower bag clamping plate (16); one end of the lower connecting plate (17) is installed on the connecting shaft (11) through a sliding connection seat (18), the other end is connected with the lower end of the lower bag clamping plate (16); the sliding connection seat (18) moves axially along the connecting shaft (11) and rotates with the connecting shaft (11).

7. A double closure as claimed in claim 6, characterised in that: The transmission assembly comprises a swing arm (19), a transmission rod I (20), a transmission rod II (21), a transmission slide table I (22) and a transmission slide table II (23); the swing arm (19) is connected with the bag clamping driving assembly (12) and is driven by the bag clamping driving assembly (12) to swing back and forth; one end of the swing arm (19) is hinged with one end of the transmission rod I (20), the other end of the swing arm (19) is hinged with one end of the transmission rod II (21); the other end of the transmission rod I (20) is hinged with the transmission slide table I (22), the other end of the transmission rod II (21) is hinged with the transmission slide table II (23); the mounting frame (10) is provided with slide rails (24) matched with the transmission slide table I (22) and the transmission slide table II (23) respectively; the connecting shaft (11) is fixedly connected with a chuck I (25), the transmission slide table I (22) is provided with a chuck groove I (26) matched with the chuck I (25); the lower bag clamping assembly is fixedly provided with a chuck II (27), the transmission slide table II (23) is provided with a chuck groove II matched with the chuck II (27).

8. A double closure as defined in claim 5, characterized in that: The mounting frame (10) comprises a mounting vertical plate (28), a mounting top plate (29) and a mounting bottom plate (30), the mounting vertical plate (28) is vertically arranged on the mounting bottom plate (30), the mounting top plate (29) is assembled on the mounting vertical plate (28) in parallel with the mounting bottom plate (30), the material receiving platform (1) is fixedly assembled on the mounting top plate (29), the connecting shaft (11) is assembled with the mounting top plate (29) and the mounting bottom plate (30) through a rotary connection sleeve, and the upper end of the connecting shaft (11) extends upward through the mounting top plate (29) and the material receiving platform (1), the rotary driving assembly (13) is assembled on the mounting bottom plate (30), and the bag clamping driving assembly (12) is assembled on the mounting vertical plate (28).

9. A bagging machine characterized by: The device comprises a material feeding device (31), a bag storage device (32), a bag taking device (33), a bag pulling and sleeving device, a rotating bag supporting device, a material pushing device, and a double sealing device (5) as claimed in any one of claims 1-7; the material feeding device (31) is configured to feed the material to be packaged, the bag taking device (33) is configured to take the packaging bag from the bag storage device (32), the bag pulling and sleeving device is configured to sleeve the packaging bag taken by the bag taking device (33) on the rotating bag supporting device, the material pushing device is configured to push the material to be packaged fed by the material feeding device (31) into the packaging bag on the rotating bag supporting device, and continue to push backward, so that the packaging bag containing the material is pushed off the rotating bag supporting device and onto the sealing device.

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