Triangle bag sealing mechanism

Abstract

This utility model discloses a triangular bag sealing mechanism, including a fixed base, a rotating base, a first cylinder, a second cylinder, a bearing, a fixed plate, a first cylinder, a mounting plate, a first heat sealer, a second heat sealer, and a cutting blade. An outer cylinder is fixed to the upper surface of the fixed base, and a rotating base is located above the fixed base. An inner cylinder is fixed to the lower surface of the rotating base, and the inner cylinder is inserted into the outer cylinder. The fixed base has a first through hole adapted to the inner cylinder, and the rotating base has a second through hole adapted to the inner cylinder. The inner walls of the first through hole, the second through hole, and the inner wall of the inner cylinder are all located on the same cylindrical surface. The inner ring of the bearing is fixed to the outer wall of the outer cylinder. By placing the cutting blade on the first heat sealer, this utility model allows the device to cut simultaneously with hot air, ensuring accurate cutting position and simplifying the structure of the device, effectively reducing volume and cost.

Description

Technical Field

[0001] This utility model relates to the technical field of packaging, and in particular to the technical field of sealing mechanisms. Background Technology

[0002] Triangular packaging is a commonly used packaging structure, which generally requires specialized triangular packaging sealing equipment for sealing. The most important parts are the sealing mechanism and the cutting mechanism. In existing triangular packaging sealing equipment, the sealing mechanism and the cutting mechanism are located in different parts of the sealing equipment, making the structure of the device relatively complex and the size of the device relatively large. For example, the triangular packaging liquid rapid sealing mechanism disclosed in the existing patent CN214216379U has such problems, with a complex structure, large size, and high equipment cost. Summary of the Invention

[0003] The purpose of this invention is to solve the problems in the prior art by proposing a triangular bag sealing mechanism. This mechanism simplifies the structure of the sealing mechanism, reduces the size of the equipment, and simultaneously performs cutting while sealing, making the cutting position more accurate and less prone to deviation.

[0004] To achieve the above objectives, this utility model proposes a triangular bag sealing mechanism, including a fixed base, a rotating base, a first cylindrical body, a second cylindrical body, a bearing, a fixed plate, a first cylinder, a mounting plate, a first heat sealer, a second heat sealer, and a cutting blade. An outer cylindrical body is fixed to the upper end face of the fixed base, and a rotating base is located above the fixed base. An inner cylindrical body is fixed to the lower end face of the rotating base, and the inner cylindrical body is inserted into the outer cylindrical body. The fixed base has a first through hole adapted to the inner cylindrical body, and the rotating base has a second through hole adapted to the inner cylindrical body. The inner walls of the first through hole, the second through hole, and the inner wall of the inner cylindrical body are all located on the same cylindrical surface. The inner ring of the bearing is fixed to the outer wall of the outer cylindrical body, and the outer ring of the bearing is fixed to the inner wall of the outer cylindrical body. A gear ring is provided on the outer wall of the outer cylindrical body, and the gear ring meshes with a gear located between the inner and outer cylindrical bodies. The gear meshes with a gear mounted on a... A servo motor is connected to the fixed base. Two parallel fixed plates are fixed on the upper surface of the fixed base. A first cylinder is fixed on the opposite side of the fixed plates. The piston rod of the first cylinder passes through the fixed plate and is connected to the mounting plate. A first heat sealer and a second heat sealer are respectively installed on the opposite side of the two mounting plates. Both the first and second heat sealers are horizontally arranged elongated strips and cooperate with each other. The side of the first heat sealer facing the second heat sealer has an elongated mounting groove. The length direction of the mounting groove is the same as the length direction of the first heat sealer. A cutting blade is provided in the mounting groove. Both ends of the cutting blade are connected to a second cylinder. The cylinder body of the second cylinder is fixed to the mounting plate on which the first heat sealer sits. The piston end of the second cylinder is connected to the cutting blade. The side of the second heat sealer facing the first heat sealer has a clearance groove that cooperates with the cutting blade.

[0005] Preferably, two guide posts are provided between the two fixed plates on the rotating seat, and sliding sleeves that cooperate with the guide posts are provided at both ends of the mounting plate. The two sliding sleeves on the same mounting plate correspond to one guide post, and the sliding sleeves are fitted on the corresponding guide posts.

[0006] Preferably, the cylinder body of the second cylinder and the first heat sealer are located on opposite sides of the mounting plate.

[0007] Preferably, an auxiliary plate is fixed to the lower end face of the rotating seat, and two sensing devices are installed on the upper end face of the fixed seat. The sensing devices are used to sense the auxiliary plate.

[0008] The beneficial effects of this utility model are as follows: By setting the cutting blade on the first heat sealer, this utility model enables the device to cut simultaneously with hot air, which not only ensures the accuracy of the cutting position, but also simplifies the structure of the device, effectively reducing its size and cost.

[0009] The features and advantages of this utility model will be described in detail through embodiments and accompanying drawings. Attached Figure Description

[0010] Figure 1 This is the front view of the triangular bag sealing mechanism of this utility model;

[0011] Figure 2 This is a top view of the rotating seat of the triangular bag sealing mechanism of this utility model;

[0012] Figure 3 This is a top view of the fixed base of the triangular bag sealing mechanism of this utility model.

[0013] In the diagram: 1-Fixed seat, 2-Rotating seat, 3-Fixed plate, 4-First heat sealer, 5-Second heat sealer, 10-Bearing, 11-Outer cylinder, 12-Gear, 13-Servo motor, 15-Sensing device, 21-Inner cylinder, 22-Gear ring, 25-Auxiliary plate, 30-First cylinder, 31-Mounting plate, 35-Guide column, 36-Sliding sleeve, 40-Mounting groove, 41-Cut blade, 42-Second cylinder, 50-Cut groove. Detailed Implementation

[0014] Example 1:

[0015] See Figure 1 , Figure 2 This utility model relates to a triangular bag sealing mechanism, comprising a fixed base 1, a rotating base 2, a first cylindrical body, a second cylindrical body, a bearing 10, a fixing plate 3, a first cylinder 30, a mounting plate 31, a first heat sealer 4, a second heat sealer 5, and a cutting blade 41. An outer cylindrical body 11 is fixed to the upper surface of the fixed base 1. A rotating base 2 is located above the fixed base 1, and an inner cylindrical body 21 is fixed to the lower surface of the rotating base 2. The inner cylindrical body 21 is inserted into the outer cylindrical body 11. The fixed base 1 has a first through hole adapted to the inner cylindrical body 21. The base 2 is provided with a second through hole that is adapted to the inner cylinder 21. The inner wall of the first through hole, the inner wall of the second through hole, and the inner wall of the inner cylinder 21 are all located on the same cylindrical surface. The inner ring of the bearing 10 is fixed to the outer wall of the outer cylinder 11, and the outer ring of the bearing 10 is fixed to the inner wall of the outer cylinder 11. The outer wall of the outer cylinder 11 is provided with a gear ring 22, which meshes with a gear 12. The gear 12 is located between the inner cylinder 21 and the outer cylinder 11, and the gear 12 is connected to a servo motor 13 mounted on the fixed base 1.

[0016] Two parallel fixing plates 3 are fixed on the upper surface of the fixing base 1. A first cylinder 30 is fixed on the side of the fixing plates 3 that is far apart from each other. The piston rod of the first cylinder 30 passes through the fixing plate 3 and is connected to the mounting plate 31. A first heat sealer 4 and a second heat sealer 5 are respectively installed on the side of the two mounting plates 31 that are close to each other. The first heat sealer 4 and the second heat sealer 5 are both horizontally arranged elongated strips and cooperate with each other. The side of the first heat sealer 4 facing the second heat sealer 5 is provided with an elongated mounting groove 40. The length direction of the mounting groove 40 is the same as the length direction of the first heat sealer 4. A cutting blade 41 is provided in the mounting groove 40. Both ends of the cutting blade 41 are connected to a second cylinder 42. The cylinder body of the second cylinder 42 is fixed to the mounting plate 31 on which the first heat sealer 4 sits. The piston end of the second cylinder 42 is connected to the cutting blade 41. The side of the second heat sealer 5 facing the first heat sealer 4 is provided with a cutting groove 50 that cooperates with the cutting blade 41.

[0017] In order to ensure stable operation of the mounting plate 31, two guide posts 35 are provided between the two fixed plates 3 on the rotating seat 2. Both ends of the mounting plate 31 are provided with sliding sleeves 36 that cooperate with the guide posts 35. The two sliding sleeves 36 on the same mounting plate 31 correspond to one guide post 35 respectively, and the sliding sleeves 36 are fitted on the corresponding guide posts 35.

[0018] The cylinder body of the second cylinder 42 and the first heat sealer 4 are located on both sides of the mounting plate 31.

[0019] Example 2:

[0020] To ensure that the rotating seat 2 rotates to the correct position each time, an auxiliary plate 25 is fixed to the lower end face of the rotating seat 2. Two sensing devices 15 are installed on the upper end face of the fixed seat 1. The sensing devices 15 are used to sense the auxiliary plate 25. The sensing devices 15 are touch switches or infrared ranging devices. The rotating seat 2 has two postures. In one posture, one sensing device 15 senses the auxiliary plate 25, and in the other posture, the other sensing device 15 senses the auxiliary plate 25. When changing from one posture to the other posture, the rotating seat 2 rotates 90°.

[0021] The working process of this utility model:

[0022] In the operation of this utility model triangular bag sealing mechanism, after the long cylindrical packaging bag is sealed and cut once, the filling material is poured in. At the same time, the rotating seat 2 rotates 90° under the drive of the servo motor 13. Then, the two first cylinders 3 drive the first heat sealer 4 and the second heat sealer 5 to move together towards the packaging bag to seal the packaging bag. Then, the second cylinder 42 drives the cutting blade 41 to cut the packaging bag. Then, the second cylinder 42 drives the cutting blade 41 to reset. The first cylinder 30 drives the first heat sealer 4 and the second heat sealer 5 to reset, completing the second sealing and cutting. Then, the above steps are repeated.

[0023] The above embodiments are illustrative of the present invention and are not intended to limit the present invention. Any simple modifications to the present invention are within the protection scope of the present invention.

Claims

1. A triangular bag sealing mechanism, characterized in that: The system includes a fixed base (1), a rotating base (2), a first cylinder, a second cylinder, a bearing (10), a fixing plate (3), a first cylinder (30), a mounting plate (31), a first heat sealer (4), a second heat sealer (5), and a cutting blade (41). An outer cylinder (11) is fixed to the upper surface of the fixed base (1). A rotating base (2) is located above the fixed base (1). An inner cylinder (21) is fixed to the lower surface of the rotating base (2). The inner cylinder (21) is inserted into the outer cylinder (11). The fixed base (1) has a first through hole adapted to the inner cylinder (21). The rotating base... The seat (2) is provided with a second through hole that is adapted to the inner cylinder (21). The inner wall of the first through hole, the inner wall of the second through hole, and the inner wall of the inner cylinder (21) are all located on the same cylindrical surface. The inner ring of the bearing (10) is fixed to the outer wall of the outer cylinder (11), and the outer ring of the bearing (10) is fixed to the inner wall of the outer cylinder (11). The outer wall of the outer cylinder (11) is provided with a gear ring (22), which meshes with a gear (12). The gear (12) is located between the inner cylinder (21) and the outer cylinder (11). The gear (12) meshes with a servo mounted on the fixed seat (1). The motor (13) is connected to the fixed base (1). Two parallel fixed plates (3) are fixed on the upper surface of the fixed base (1). A first cylinder (30) is fixed on the side of the fixed plates (3) that is far apart from each other. The piston rod of the first cylinder (30) passes through the fixed plate (3) and is connected to the mounting plate (31). A first heat sealer (4) and a second heat sealer (5) are respectively installed on the side of the two mounting plates (31) that are close to each other. The first heat sealer (4) and the second heat sealer (5) are both horizontally arranged in a long strip shape. The first heat sealer (4) and the second heat sealer (5) cooperate with each other. The first heat sealer (4) faces the second heat sealer. A long, narrow mounting groove (40) is provided on the side of the heat sealer (5). The length direction of the mounting groove (40) is the same as that of the first heat sealer (4). A cutting blade (41) is provided in the mounting groove (40). A second cylinder (42) is connected to both ends of the cutting blade (41). The cylinder body of the second cylinder (42) is fixed to the mounting plate (31) on which the first heat sealer (4) sits. The piston end of the second cylinder (42) is connected to the cutting blade (41). A cutting groove (50) that cooperates with the cutting blade (41) is provided on the side of the second heat sealer (5) facing the first heat sealer (4).

2. The triangular bag sealing mechanism as described in claim 1, characterized in that: Two guide posts (35) are provided between the two fixed plates (3) on the rotating seat (2). Both ends of the mounting plate (31) are provided with sliding sleeves (36) that cooperate with the guide posts (35). The two sliding sleeves (36) on the same mounting plate (31) correspond to one guide post (35) respectively. The sliding sleeves (36) are fitted on the corresponding guide posts (35).

3. The triangular bag sealing mechanism as described in claim 1, characterized in that: The cylinder body of the second cylinder (42) and the first heat sealer (4) are located on both sides of the mounting plate (31).

4. The triangular bag sealing mechanism as described in claim 1, characterized in that: An auxiliary plate (25) is fixed on the lower end face of the rotating seat (2), and two sensing devices (15) are installed on the upper end face of the fixed seat (1). The sensing devices (15) are used to sense the auxiliary plate (25).

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