A reciprocating cross-seal mechanism
By designing a reciprocating horizontal sealing mechanism, the lifting mechanism drives the sealing mechanism to move longitudinally with the packaging bag, which solves the problem of incomplete sealing of fixed horizontal sealing mechanisms on continuously moving packaging bags, thus improving the sealing effect and production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- REPACK INTELLIGENT PACKAGING TECH (KUNSHAN) CO LTD
- Filing Date
- 2025-07-14
- Publication Date
- 2026-07-14
AI Technical Summary
Traditional fixed horizontal sealing mechanisms are prone to causing incomplete sealing on continuously moving packaging bags, affecting packaging quality and production efficiency.
Design a reciprocating horizontal sealing mechanism that uses a lifting mechanism to drive the sealing mechanism to move longitudinally with the packaging bag to achieve dynamic sealing. The mechanism includes the coordinated operation of a lifting base plate, a sealing mechanism, a cutting mechanism, a lifting mechanism, a first sensing mechanism, and a second sensing mechanism.
It improves the sealing effect of the sealing mechanism, ensuring the airtightness of the packaging bags and production efficiency.
Smart Images

Figure CN224491731U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of packaging technology, and in particular to a reciprocating horizontal sealing mechanism. Background Technology
[0002] In the field of packaging machinery, especially in the continuous sealing process of flexible packaging bags, the horizontal sealing mechanism is a key component for achieving the sealing and cutting of packaging bags.
[0003] Traditional horizontal sealing mechanisms typically employ a fixed design, where sealing and cutting are completed when the packaging bag is stationary. However, for continuously moving packaging bags, such as those in vertical packaging machines or high-speed production lines, this fixed horizontal sealing method can easily lead to incomplete sealing, affecting packaging quality and production efficiency. To address this, we propose a reciprocating horizontal sealing mechanism. Utility Model Content
[0004] The purpose of this invention is to provide a reciprocating horizontal sealing mechanism to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a reciprocating horizontal sealing mechanism, comprising:
[0006] Lifting base plate;
[0007] A sealing mechanism, wherein the sealing mechanism is disposed on one side of the lifting base plate;
[0008] A cutting mechanism, which is connected to a sealing mechanism;
[0009] A lifting mechanism, which is connected to a lifting base plate;
[0010] The first sensing mechanism is connected to the lifting base plate;
[0011] The second sensing mechanism is connected to the sealing mechanism.
[0012] Preferably, the sealing mechanism includes a first fixed plate, a second fixed plate, a guide rod, a first sealing seat and a second sealing seat. The guide rod is disposed between the second fixed plate and the lifting base plate. The second sealing seat is disposed on one side of the second fixed plate. The first sealing seat is disposed on one side of the first fixed plate. The cutting mechanism is disposed between the first sealing seat and the first fixed plate.
[0013] Preferably, the cutting mechanism includes a cylinder and a cutter. The cylinder is installed on the other side of the first fixed plate, and the cutter is inserted between the first fixed plate and the first sealing seat. The output end of the cylinder is connected to one side of the cutter via a transmission connection.
[0014] Preferably, the lifting mechanism includes a tension spring, a bearing block, a third fixed plate, a fourth fixed plate, a first servo motor, a passive pulley, a driving pulley, and a synchronous belt. The first servo motor is mounted on the front of the fourth fixed plate, and its output end passes through the front of the fourth fixed plate and is connected to the front of the driving pulley. The passive pulley is disposed between the two third fixed plates, and the synchronous belt is disposed between the passive pulley and the driving pulley. The outer wall of the synchronous belt is fixedly connected to the outer wall of the lifting base plate. The bearing block is symmetrically fixedly connected to the other side of the lifting base plate, and a tension spring is provided at the top of the bearing block. The first sensing mechanism is connected to the bearing block.
[0015] Preferably, the first sensing mechanism includes a first mounting bracket and a first sensing plate. The first sensing plate is mounted on one side of the support block, and a first proximity switch is mounted on the outer wall of the first mounting bracket. The first proximity switch is positioned opposite to the first sensing plate.
[0016] Preferably, the second sensing mechanism includes a fifth fixed plate, a second mounting bracket, a rear connecting plate, and a second sensing plate. The second sensing plate is mounted on the top of the rear connecting plate, the second mounting bracket is mounted on one side of the fifth fixed plate, a second proximity switch is mounted on the outer wall of the second mounting bracket, and a driving mechanism is provided between the rear connecting plate and the guide rod.
[0017] Preferably, the drive mechanism includes a sixth fixed plate, a second servo motor, a swing arm, a first connecting member, and a second connecting member. The sixth fixed plate is fixedly connected between the lifting base plate and the fifth fixed plate. The second servo motor is installed inside the sixth fixed plate, and the output end of the second servo motor is connected to the back of the swing arm. One end of the guide rod passes through one side of the lifting base plate and is fixedly connected to one side of the first connecting member. A first joint is hinged between the first connecting member and the swing arm. The second connecting member is fixedly connected to one side of the rear connecting plate, and a second joint is hinged between the second connecting member and the swing arm.
[0018] The technical effects and advantages of this utility model are as follows:
[0019] This utility model uses a lifting mechanism to drive the lifting base plate to rise and fall. When the lifting base plate rises and falls, it drives the sealing mechanism to rise and fall, so that the sealing mechanism can follow the longitudinal movement of the packaging bag to move one end distance to seal it, thereby improving the sealing effect of the sealing mechanism. Attached Figure Description
[0020] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0021] Figure 2 This is a side view of the present invention.
[0022] Figure 3 This is a front structural diagram of the present utility model.
[0023] Figure 4 This is a top view diagram of the structure of this utility model.
[0024] In the diagram: 1. Lifting base plate; 4. First fixed plate; 5. Second fixed plate; 6. Rear connecting plate; 7. Guide rod; 8. Sixth fixed plate; 10. Fifth fixed plate; 11. First connecting piece; 12. Second connecting piece; 13. Swing arm; 15. Tension spring; 16. Second mounting bracket; 18. First mounting bracket; 19. First sensing plate; 20. Second sensing plate; 22. First sealing seat; 23. Second sealing seat; 24. Cutter; 33. Bearing block; 36. Passive pulley; 37. Active pulley; 41. Third fixed plate; 43. Fourth fixed plate; 46. Cylinder; 53. Synchronous belt; 55. First servo motor; 57. Second servo motor. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] This utility model provides, for example Figures 1-4 The reciprocating horizontal sealing mechanism shown includes a lifting base plate 1, a sealing mechanism, a cutting mechanism, a lifting mechanism, a first sensing mechanism, and a second sensing mechanism. The sealing mechanism is located on one side of the lifting base plate 1. The cutting mechanism is connected to the sealing mechanism, the lifting mechanism is connected to the lifting base plate 1, the first sensing mechanism is connected to the lifting base plate 1, and the second sensing mechanism is connected to the sealing mechanism. The lifting mechanism can drive the lifting base plate 1 to rise and fall. When the lifting base plate 1 rises and falls, it can drive the sealing mechanism to rise and fall, so that the sealing mechanism can follow the longitudinal movement of the packaging bag to move one end distance to seal, thereby improving the sealing effect of the sealing mechanism.
[0027] The sealing mechanism includes a first fixed plate 4, a second fixed plate 5, a guide rod 7, a first sealing seat 22, and a second sealing seat 23. The guide rod 7 is disposed between the second fixed plate 5 and the lifting base plate 1. The second sealing seat 23 is disposed on one side of the second fixed plate 5, and the first sealing seat 22 is disposed on one side of the first fixed plate 4. The cutting mechanism is disposed between the first sealing seat 22 and the first fixed plate 4. The movement of the guide rod 7 drives the movement of the second fixed plate 5, and the movement of the second fixed plate 5 drives the movement of the second sealing seat 23 to perform the operation.
[0028] The cutting mechanism includes a cylinder 46 and a cutter 24. The cylinder 46 is installed on the other side of the first fixed plate 4, and the cutter 24 is inserted between the first fixed plate 4 and the first sealing seat 22. The output end of the cylinder 46 is connected to one side of the cutter 24. The operation of the cylinder 46 drives the cutter 24 to move and perform the operation.
[0029] The lifting mechanism includes a tension spring 15, a bearing block 33, a third fixed plate 41, a fourth fixed plate 43, a first servo motor 55, a passive pulley 36, a driving pulley 37, and a synchronous belt 53. The first servo motor 55 is mounted on the front of the fourth fixed plate 43, and its output end passes through the front of the fourth fixed plate 43 and is connected to the front of the driving pulley 37. The passive pulley 36 is located between the two third fixed plates 41, and the synchronous belt 53 is located between the passive pulley 36 and the driving pulley 37. The outer wall of the synchronous belt 53 is fixedly connected to the outer wall of the lifting base plate 1. The bearing block 33 is symmetrically fixedly connected to the other side of the lifting base plate 1. A tension spring 15 is provided at the top of the bearing block 33. A first sensing mechanism is connected to the bearing block 33. When the first servo motor 55 works, it drives the driving pulley 37 to rotate, which causes the synchronous belt 53 to drive the lifting base plate 1 to rise and fall. This allows the sealing mechanism to follow the longitudinal movement of the packaging bag and seal it, thereby improving the sealing effect of the sealing mechanism.
[0030] The first sensing mechanism includes a first mounting bracket 18 and a first sensing plate 19. The first sensing plate 19 is installed on one side of the bearing block 33. A first proximity switch is installed on the outer wall of the first mounting bracket 18. The first proximity switch and the first sensing plate 19 are positioned opposite each other. When the lifting mechanism drives the sealing mechanism to lift, the lifting base plate 1 drives the first sensing plate 19 to descend to the position of the first proximity switch. At this time, the lifting base plate 1 descends to the lowest position.
[0031] The second sensing mechanism includes a fifth fixed plate 10, a second mounting bracket 16, a rear connecting plate 6, and a second sensing plate 20. The second sensing plate 20 is mounted on the top of the rear connecting plate 6. The second mounting bracket 16 is mounted on one side of the fifth fixed plate 10. A second proximity switch is mounted on the outer wall of the second mounting bracket 16. A driving mechanism is provided between the rear connecting plate 6 and the guide rod 7. The driving mechanism includes a sixth fixed plate 8, a second servo motor 57, a swing arm 13, a first connecting piece 11, and a second connecting piece 12. The sixth fixed plate 8 is fixedly connected between the lifting base plate 1 and the fifth fixed plate 10. The second servo motor 57 is installed inside the sixth fixed plate 8. The output end of the second servo motor 57 is connected to the back of the swing arm 13. The guide rod 7... One end of the device passes through one side of the lifting base plate 1 and is fixedly connected to one side of the first connecting member 11. The first connecting member 11 and the swing arm 13 are hinged together with a first joint. The second connecting member 12 is fixedly connected to one side of the rear connecting plate 6. The second connecting member 12 and the swing arm 13 are hinged together with a second joint. A reducer is provided between the second servo motor 57 and the swing arm 13, so that the second servo motor 57 can drive the swing arm 13 to rotate. Then, through the connection of the first joint, the second joint, the first connecting member 11 and the second connecting member 12, the rear connecting plate 6 and the lifting base plate 1 can move in opposite directions or relative to each other. The movement of the rear connecting plate 6 drives the second sensing plate 20 to move to the position of the second proximity switch, at which point the movement limit is reached.
[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A reciprocating horizontal sealing mechanism, characterized in that, include: Lifting base plate (1); A sealing mechanism is provided on one side of the lifting base plate (1); A cutting mechanism, which is connected to a sealing mechanism; A lifting mechanism, which is connected to the lifting base plate (1); The first sensing mechanism is connected to the lifting base plate (1); The second sensing mechanism is connected to the sealing mechanism.
2. The reciprocating horizontal sealing mechanism according to claim 1, characterized in that, The sealing mechanism includes a first fixed plate (4), a second fixed plate (5), a guide rod (7), a first sealing seat (22), and a second sealing seat (23). The guide rod (7) is disposed between the second fixed plate (5) and the lifting base plate (1). The second sealing seat (23) is disposed on one side of the second fixed plate (5). The first sealing seat (22) is disposed on one side of the first fixed plate (4). The cutting mechanism is disposed between the first sealing seat (22) and the first fixed plate (4).
3. The reciprocating horizontal sealing mechanism according to claim 2, characterized in that, The cutting mechanism includes a cylinder (46) and a cutter (24). The cylinder (46) is installed on the other side of the first fixed plate (4), and the cutter (24) is inserted between the first fixed plate (4) and the first sealing seat (22). The output end of the cylinder (46) is connected to one side of the cutter (24) in a transmission connection.
4. The reciprocating horizontal sealing mechanism according to claim 1, characterized in that, The lifting mechanism includes a tension spring (15), a bearing block (33), a third fixed plate (41), a fourth fixed plate (43), a first servo motor (55), a passive pulley (36), a driving pulley (37), and a synchronous belt (53). The first servo motor (55) is mounted on the front of the fourth fixed plate (43). The output end of the first servo motor (55) passes through the front of the fourth fixed plate (43) and is connected to the front of the driving pulley (37). The passive pulley (36) is located between the two third fixed plates (41). The synchronous belt (53) is driven between the passive pulley (36) and the driving pulley (37). The outer wall of the synchronous belt (53) is fixedly connected to the outer wall of the lifting base plate (1). The bearing block (33) is symmetrically fixedly connected to the other side of the lifting base plate (1). The top of the bearing block (33) is provided with a tension spring (15). The first sensing mechanism is connected to the bearing block (33).
5. A reciprocating horizontal sealing mechanism according to claim 4, characterized in that, The first sensing mechanism includes a first mounting bracket (18) and a first sensing plate (19). The first sensing plate (19) is mounted on one side of the support block (33). A first proximity switch is mounted on the outer wall of the first mounting bracket (18). The first proximity switch is positioned opposite to the first sensing plate (19).
6. A reciprocating horizontal sealing mechanism according to claim 2, characterized in that, The second sensing mechanism includes a fifth fixed plate (10), a second mounting bracket (16), a rear connecting plate (6), and a second sensing plate (20). The second sensing plate (20) is mounted on the top of the rear connecting plate (6), and the second mounting bracket (16) is mounted on one side of the fifth fixed plate (10). A second proximity switch is mounted on the outer wall of the second mounting bracket (16), and a driving mechanism is provided between the rear connecting plate (6) and the guide rod (7).
7. A reciprocating horizontal sealing mechanism according to claim 6, characterized in that, The drive mechanism includes a sixth fixed plate (8), a second servo motor (57), a swing arm (13), a first connector (11), and a second connector (12). The sixth fixed plate (8) is fixedly connected between the lifting base plate (1) and the fifth fixed plate (10). The second servo motor (57) is installed inside the sixth fixed plate (8). The output end of the second servo motor (57) is connected to the back of the swing arm (13). One end of the guide rod (7) passes through one side of the lifting base plate (1) and is fixedly connected to one side of the first connector (11). A first joint is hinged between the first connector (11) and the swing arm (13). The second connector (12) is fixedly connected to one side of the rear connecting plate (6). A second joint is hinged between the second connector (12) and the swing arm (13).