Filling and sealing assembly capable of sealing uniformly without folds

Abstract

The utility model provides a filling and sealing assembly capable of sealing uniformly without folds, which relates to the technical field of sterile filling and comprises a sealing assembly mounting plate, two side edge sealing push cylinders are mounted in front of the sealing assembly mounting plate through bolts, push rods of the side edge sealing push cylinders are fixedly connected with a parallel push plate, and the parallel push plate is fixedly connected with the sealing assembly mounting plate. The inner side of the parallel push plate is fixedly connected with an edge sealing plate connecting plate, the edge sealing plate connecting plate is connected with a side edge heat sealing plate through a bolt, the packaging bag is stretched and stretched before heat sealing is conducted on the side edge of the packaging bag, and wrinkles on the surface of the packaging bag are flattened in the stretching and stretching process; the condition that the heat sealing position is wrinkled due to the fact that the packaging bag is subjected to heat sealing in the wrinkled state is avoided, the sealing performance of the packaging bag is improved, the product storage effect is guaranteed, and the problem that for the packaging bag made of soft and thin-wall materials, if heat sealing is carried out in the wrinkled state in the heat sealing process, the product storage effect is affected is solved. And the sealing position of the packaged product is wrinkled.

Description

Technical Field

[0001] The utility model relates to the technical field of aseptic filling, in particular to a filling and sealing component with uniform sealing and no wrinkles. Background Art

[0002] The four-side sealing packaging machine is a machine used for aseptic packaging and heat-sealing the four sides of the packaging bag. It is used for packaging and sealing various granular materials. During the operation, the packaging bag is heat-sealed on both sides and the bottom through the side heat-sealing mechanism and the bottom heat-sealing structure. The material is filled into the packaging bag through the feeding nozzle, and the packaging bag is pulled downward as the conveying structure, and the upper edge of the packaging bag is sealed by the bottom heat-sealing structure.

[0003] In the sealing mechanism of the existing four-side sealing packaging machine, the side sealing mechanism heat-seals the packaging bag by heating the copper sheet and squeezing the edge of the packaging bag. However, for packaging bags made of soft and thin-walled materials, if the packaging bag is heat-sealed while wrinkles are present during the heat-sealing process, wrinkles will appear at the sealing position of the packaged product, which will reduce the airtightness of the packaging bag and affect the storage and sales of the product. Utility Model Content

[0004] The embodiments of the present disclosure relate to a filling and sealing assembly with uniform and wrinkle-free sealing, so as to solve the problem that in the sealing mechanism of the existing four-side sealing packaging machine, the side sealing mechanism heat-seals the packaging bag by heating a copper sheet and squeezing the edge of the packaging bag. For packaging bags made of soft or thin-walled materials, if the packaging bag is heat-sealed while wrinkles are present during the heat-sealing process, wrinkles will be present at the sealing position of the packaged product, which will reduce the airtightness of the packaging bag and affect the storage and sales of the product.

[0005] The first aspect of the present disclosure provides a filling and sealing assembly with uniform and wrinkle-free sealing, which specifically includes: a sealing assembly mounting plate, the front of which is provided with side sealing push cylinders installed by bolts, the push rods of the side sealing push cylinders are fixedly connected to parallel push plates, the inner sides of the parallel push plates are fixedly connected to edge sealing plate connecting plates, the edge sealing plate connecting plates are connected to the side heat sealing plates by bolts, the front of the sealing assembly mounting plate is fixedly connected to a lower sealing mechanism, the lower sealing mechanism is located directly below the side sealing push cylinders, the edge sealing plate connecting plates are fixedly connected to the connecting plate vertical guide rods, the connecting plate vertical guide rods are installed with a linear propulsion frame, and the linear propulsion frame is rotatably connected to a pleat stretching rotary shaft through a bearing.

[0006] In at least some embodiments, a side connecting plate is respectively connected to the front edge and the rear edge of the inner surface of the edge banding plate by welding, and the ends of the side connecting plates are connected to linkage racks by welding, and the linkage racks are perpendicular to the edge banding plate.

[0007] In at least some embodiments, the end of the connecting plate vertical guide rod is fixedly connected to a guide rod limiting end block, and a reset push spring is sleeved on the connecting plate vertical guide rod.

[0008] In at least some embodiments, one end of the reset spring is fixedly connected to the edge banding plate connecting plate, and the other end of the reset spring is fixedly connected to the linear propulsion connecting frame.

[0009] In at least some embodiments, the pleat stretching rotary shaft is a cylindrical roller made of rubber material, and the upper end and the lower end of the support shaft of the pleat stretching rotary shaft are fixedly connected to a driven rotary wheel through interference fit.

[0010] In at least some embodiments, a connecting frame guide hole is provided on the linear propulsion connecting frame, the connecting frame guide hole is slidably connected to the connecting plate vertical guide rod, and the linear propulsion connecting frame is rotatably connected to a linkage gear through a bearing.

[0011] In at least some embodiments, the linkage gear is meshed with the driven rotating wheel to form a gear transmission, and the linkage gear is meshed with the linkage rack to form a gear-rack transmission.

[0012] The utility model provides a filling and sealing assembly with uniform sealing and no wrinkles, which has the following beneficial effects:

[0013] The sealing assembly of the utility model is used for packaging sealing of a filling and packaging machine, has the function of sealing the four sides of the packaging bag, and is provided with an auxiliary stretching function of the packaging bag, which can stretch the packaging bag before the side edges of the packaging bag are heat-sealed. During the stretching process, the wrinkles on the surface of the packaging bag are flattened, avoiding the situation where wrinkles appear at the heat-sealing position when the packaging bag is heat-sealed in a wrinkled state, thereby improving the sealing performance of the packaging bag and ensuring the storage effect of the product.

[0014] In addition, in this application, the auxiliary stretching function of the packaging bag is synchronized with the heat sealing structure. The rotation of the pleat stretching shaft is controlled by the advancement of the side heat sealing plate, the connecting plate and the side heat sealing plate in cooperation with a series of transmission structures. There is no need to set up an additional drive mechanism and control switch. The operation is simple and does not require additional manual operation. The automatic stretching of the packaging bag and the advancement of the side heat sealing plate are carried out synchronously without taking up additional action time, thereby ensuring the filling and sealing efficiency of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments will be briefly introduced below.

[0016] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0017] In the attached figure:

[0018] Figure 1A schematic diagram showing the overall structure of the present application;

[0019] Figure 2 It shows a schematic structural diagram of the edge banding board connected to the board of the present application;

[0020] Figure 3 Shows a schematic structural diagram of the side heat sealing plate of the present application;

[0021] Figure 4 It shows a schematic structural diagram of the side heat sealing plate of the present application in a decomposed state;

[0022] Figure 5 It shows a schematic structural diagram of the present invention when the pleat stretching rotary shaft is connected to the linear propulsion connecting frame;

[0023] Figure 6 Shows the application Figure 2 A schematic diagram of the partially enlarged structure at point A in the middle;

[0024] Figure 7 Shows the application Figure 5 Schematic diagram of the locally enlarged structure at point B in the middle.

[0025] Reference Signs List

[0026] 1. Sealing assembly mounting plate; 2. Side sealing push cylinder; 3. Parallel push plate; 4. Edge sealing plate connecting plate; 401. Side connecting plate; 402. Linkage rack; 403. Connecting plate vertical guide rod; 404. Guide rod limit end block; 405. Reset spring; 5. Side heat sealing plate; 6. Lower sealing mechanism; 7. Pleat stretching rotary shaft; 701. Driven rotary wheel; 8. Linear propulsion connecting frame; 801. Connecting frame guide hole; 802. Linkage gear. DETAILED DESCRIPTION

[0027] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Example 1: Please refer to Figures 1 to 7 :

[0029] The utility model proposes a filling and sealing component with uniform sealing and no wrinkles, comprising: a sealing component mounting plate 1, two side sealing push cylinders 2 are mounted on the front of the sealing component mounting plate 1 by bolts, the push rods of the side sealing push cylinders 2 are fixedly connected to parallel push plates 3, the inner sides of the parallel push plates 3 are fixedly connected to edge sealing plate connecting plates 4, the edge sealing plate connecting plates 4 are connected to side heat sealing plates 5 by bolts, a lower sealing mechanism 6 is fixedly connected to the front of the sealing component mounting plate 1, the lower sealing mechanism 6 is located just below the side sealing push cylinders 2, and the edge sealing plate connecting plates 4 are fixedly connected to the connecting plate vertical guide rods 403, a linear propulsion connecting frame 8 is installed on the vertical guide rod 403 of the connecting plate, and the linear propulsion connecting frame 8 is connected to the pleat stretching rotary shaft 7 through a bearing rotation, and a side connecting plate 401 is respectively connected to the front edge and the rear edge of the inner surface of the edge banding plate connecting plate 4 by welding, and the end of the side connecting plate 401 is connected to the linkage rack 402 by welding, and the linkage rack 402 is perpendicular to the edge banding plate connecting plate 4; the linkage rack 402 is supported by the side connecting plate 401, and the rack of the linkage rack 402 is toward the center direction of the edge banding plate connecting plate 4, and remains in meshing connection with the linkage gear 802.

[0030] In the embodiment of the present disclosure, the end of the connecting plate vertical guide rod 403 is fixedly connected to the guide rod limiting end block 404, and a reset push spring 405 is sleeved on the connecting plate vertical guide rod 403. One end of the reset push spring 405 is fixedly connected to the edge plate connecting plate 4, and the other end of the reset push spring 405 is fixedly connected to the linear propulsion connecting frame 8; the guide rod limiting end block 404 plays a limiting role to prevent the linear propulsion connecting frame 8 from detaching from the connecting plate vertical guide rod 403.

[0031] In the disclosed embodiment, the pleat stretching shaft 7 is a cylindrical roller made of rubber material, and the upper and lower ends of the support shaft of the pleat stretching shaft 7 are fixedly connected to a driven rotary wheel 701 through interference fit; the pleat stretching shaft 7 made of rubber material ensures good friction when in contact with the packaging bag, and has a good stretching effect on the packaging bag.

[0032] In the second embodiment, on the basis of the first embodiment, a connecting frame guide hole 801 is provided on the linear propulsion connecting frame 8, and the connecting frame guide hole 801 is slidably connected to the connecting plate vertical guide rod 403, and the linear propulsion connecting frame 8 is rotatably connected with a linkage gear 802 through a bearing; the linkage gear 802 is meshed with the driven rotary wheel 701 to form a gear transmission, and the linkage gear 802 is meshed with the linkage rack 402 to form a gear rack transmission; when the parallel push plate 3, the edge sealing plate connecting plate 4, and the side heat sealing plate 5 are pushed toward the center direction of the edge sealing plate connecting plate 4 by the side sealing push cylinder 2, the pleat stretching shaft 7 is first connected with the packaging The bag contacts, and with the continuous movement of the edge sealing plate connecting plate 4, the wrinkle stretching shafts 7 on both sides clamp the edges of the packaging bag, and with the position change of the linkage gear 802 and the linkage rack 402, the linkage gear 802 is driven to rotate, and the linkage gear 802 drives the driven rotary wheel 701 to rotate, thereby driving the wrinkle stretching shaft 7 to rotate, and the two wrinkle stretching shafts 7 clamp the edges of the packaging bag while applying a stretching force, so that the packaging bag is stretched by the stretching effect, and the wrinkles in the packaging bag are eliminated. The packaging bag is clamped by the side heat sealing plate 5 and the edges of the packaging bag are heated to achieve side heat sealing of the packaging bag.

[0033] The working principle of this embodiment is as follows: first, the packaging bag passes through the heat-sealing plates 5 on both sides and is tightened by the stretching wheel built into the lower sealing mechanism 6. The bottom of the packaging bag is heat-sealed by the lower sealing mechanism 6, and the side heat-sealing plates 5 are energized. The two parallel push plates 3 are pushed toward the middle by the side sealing push cylinders 2, so that the parallel push plates 3, the edge sealing plate connecting plate 4 and the side heat sealing plates 5 are simultaneously moved toward the middle. In this process, the pleat stretching shaft 7 first contacts the packaging bag, and as the edge sealing plate connecting plate 4 continues to move, the pleat stretching shafts 7 on both sides clamp the edge of the packaging bag, and as the positions of the linkage gear 802 and the linkage rack 402 change, the linkage gear is driven. 802 rotates, and the linkage gear 802 drives the driven rotary wheel 701 to rotate, thereby driving the pleat stretching rotary shaft 7 to rotate. The two pleat stretching rotary shafts 7 clamp the edges of the packaging bag and apply stretching force at the same time, so that the packaging bag is stretched by the stretching effect, and the wrinkles in the packaging bag are eliminated. The packaging bag is clamped by the side heat sealing plate 5 and the edges of the packaging bag are heated to achieve side heat sealing of the packaging bag. The product is filled into the packaging bag through the filling pipe of the packaging machine. As the packaging bag moves downward, when the upper opening position of the packaging bag moves to the inside of the lower sealing mechanism 6, the lower sealing mechanism 6 seals the upper edge of the packaging bag to complete the sealing work of the packaging bag.

[0034] In this article, there are several points to note:

[0035] 1. The drawings of the embodiments of the present disclosure only relate to the structures related to the embodiments of the present disclosure. Other structures may refer to conventional designs.

[0036] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to form new embodiments.

[0037] The above are only specific embodiments of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. A filling and sealing assembly with uniform sealing and no wrinkles, comprising: A sealing assembly mounting plate (1), the front of which is provided with side sealing push cylinders (2) by bolts, the push rods of the side sealing push cylinders (2) are fixedly connected to parallel push plates (3), characterized in that the inner side of the parallel push plates (3) is fixedly connected to edge sealing plate connecting plates (4), the edge sealing plate connecting plates (4) are connected to side heat sealing plates (5) by bolts, the front of the sealing assembly mounting plate (1) is fixedly connected to a lower sealing mechanism (6), the lower sealing mechanism (6) is located directly below the side sealing push cylinders (2), the edge sealing plate connecting plates (4) are fixedly connected to the connecting plate vertical guide rods (403), the connecting plate vertical guide rods (403) are installed with a linear propulsion connecting frame (8), the linear propulsion connecting frame (8) is rotatably connected to a pleat stretching rotary shaft (7) through a bearing.

2. A filling and sealing assembly with uniform sealing and no wrinkles according to claim 1, characterized in that: A side connecting plate (401) is respectively connected to the front edge and the rear edge of the inner surface of the edge sealing plate connecting plate (4) by welding, and the end of the side connecting plate (401) is connected to a linkage rack (402) by welding, and the linkage rack (402) is perpendicular to the edge sealing plate connecting plate (4).

3. A filling and sealing assembly with uniform sealing and no wrinkles according to claim 2, characterized in that: The end of the connecting plate vertical guide rod (403) is fixedly connected with a guide rod limiting end block (404), and a reset push spring (405) is sleeved on the connecting plate vertical guide rod (403).

4. A filling and sealing assembly with uniform sealing and no wrinkles according to claim 3, characterized in that: One end of the reset push spring (405) is fixedly connected to the edge-sealing plate connecting plate (4), and the other end of the reset push spring (405) is fixedly connected to the linear propulsion connecting frame (8).

5. The filling and sealing assembly with uniform sealing and no wrinkles according to claim 2, characterized in that: The pleat stretching rotary shaft (7) is a cylindrical roller made of rubber material, and the upper end and the lower end of the support shaft of the pleat stretching rotary shaft (7) are fixedly connected to a driven rotary wheel (701) through interference fit.

6. A filling and sealing assembly with uniform sealing and no wrinkles according to claim 5, characterized in that: The linear propulsion connecting frame (8) is provided with a connecting frame guide hole (801), the connecting frame guide hole (801) is slidably connected to the connecting plate vertical guide rod (403), and the linear propulsion connecting frame (8) is rotatably connected to a linkage gear (802) through a bearing.

7. A filling and sealing assembly with uniform sealing and no wrinkles according to claim 6, characterized in that: The linkage gear (802) is meshed with the driven rotating wheel (701) to form a gear transmission, and the linkage gear (802) is meshed with the linkage rack (402) to form a gear rack transmission.

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