A thermoplastic sealing machine for packaging bag production

Abstract

The utility model discloses a thermoplastic sealing machine for packaging bag production, and relates to the technical field of thermoplastic sealing machines. The technical scheme is as follows: the machine frame comprises a support plate fixedly arranged on the top of the machine frame, two thermoplastic strips fixedly arranged on one side of the machine frame, and a sealing conveying mechanism is arranged inside the machine frame; the sealing conveying mechanism comprises a driving shaft 1 and a driven shaft 1, and the driving shaft 1 and the driven shaft 1 are both arranged inside the machine frame. The thermoplastic sealing machine for packaging bag production has the following beneficial effects: when the sealing area of ​​the packaging bag body is driven by a lower pressing belt and an upper pressing belt to move between the two thermoplastic strips, the sealing area of ​​the packaging bag body is heated and melted together to achieve the purpose of sealing, and at the same time, as the conveyor belt continues to convey, the sealed packaging bag body is sent out of the thermoplastic sealing area, which is convenient for subsequent packaging bag bodies to be sealed, so as to achieve the purpose of automatically sealing the packaging bag body, reduce the amount of manual labor, and improve the sealing efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of thermoplastic sealing machines, in particular to a thermoplastic sealing machine for producing packaging bags. Background Art

[0002] Plastic packaging bags are made of plastic as raw material and are used to produce various daily necessities packaging bags. They are widely used in daily life and industrial production. Commonly used plastic packaging bags are mostly made of polyethylene film, which is non-toxic and can be used to hold food.

[0003] In the prior art, most sealing machines seal the packaging bags by pressing by the operator. When sealing a large number of packaging bags, the operator will be overworked and the sealing efficiency of the packaging bags will be reduced. For this reason, we propose a thermoplastic sealing machine for packaging bag production to solve the above problem. Utility Model Content

[0004] To this end, the utility model provides a thermoplastic sealing machine for packaging bag production, which uses a sealing conveying mechanism to solve the problem that when sealing a large number of packaging bags, the operator will be overworked and the sealing efficiency of the packaging bags will be reduced due to the pressure of the operator.

[0005] In order to achieve the above-mentioned object, the utility model provides the following technical solutions: a thermoplastic sealing machine for packaging bag production, comprising a frame, a support plate is fixedly provided on the top of the frame, two thermoplastic strips are fixedly provided on one side of the frame, and a sealing conveying mechanism is provided inside the frame;

[0006] The sealing conveying mechanism includes a driving shaft 1 and a driven shaft 1, both of which are arranged inside the frame, and a conveyor belt is sleeved on the outside of the driving shaft 1 and the driven shaft 1. A sealing edge pressing assembly is provided on the top of the driving shaft 1, and the sealing edge pressing assembly includes an upper edge pressing unit and a lower edge pressing unit. The lower edge pressing unit includes a driving shaft 2, a driven shaft 2, a lower pressing belt, and a gear 1. The upper edge pressing unit includes a gear 2, a driving shaft 3, a driven shaft 3, and an upper pressing belt. A synchronous driving unit is provided on the outside of the driving shaft 1 and the driving shaft 2.

[0007] Preferably, the synchronous drive unit includes pulley 1 and pulley 2, pulley 1 is fixedly sleeved on the outside of drive shaft 1, pulley 2 is fixedly sleeved on the outside of drive shaft 2, belts are sleeved on the outside of pulley 1 and pulley 2, and pulley 1 and pulley 2 are connected by belt drive.

[0008] Preferably, a motor is fixedly provided on one side of the frame, the output end of the motor is fixedly connected to one end of the driving shaft, and a protective cover is fixedly provided on the other side of the frame.

[0009] Preferably, the driving shaft 1 and the driven shaft 1 both pass through the two side walls of the frame and are connected to the two side walls of the frame through bearings, and the driving shaft 1 and the driven shaft 1 are connected through a conveyor belt drive.

[0010] Preferably, the second driving shaft and the second driven shaft both pass through a side wall of the frame and are connected to the side wall of the frame via a bearing, and the second driving shaft and the second driven shaft are driven and connected via a downward pressure belt.

[0011] Preferably, the gear 1 and the gear 2 are fixedly sleeved on the outside of the driving shaft 2 and the driving shaft 3 respectively, the gear 1 is meshed with the gear 2, and the gear 1 and the gear 2 are both arranged inside the protective cover.

[0012] Preferably, the driving shaft three and the driven shaft three both pass through a side wall of the frame and are connected to the side wall of the frame through a bearing, and the driving shaft three and the driven shaft three are driven and connected through an upper pressure belt.

[0013] Preferably, a plurality of packaging bag bodies are provided on the top of the conveyor belt, and one end of the plurality of packaging bag bodies is provided between the lower pressure belt and the upper pressure belt.

[0014] The utility model embodiment has the following advantages:

[0015] 1. By using the same shaft diameter and synchronous drive of the driving shaft 1, the driving shaft 2 and the driving shaft 3, the conveyor belt, the lower pressure belt and the upper pressure belt have relative transmission speeds, so as to prevent the speed difference between the bottom of the packaging bag body driven by the conveyor belt and the top of the packaging bag body driven by the lower pressure belt and the upper pressure belt, and stably convey the packaging bag body;

[0016] 2. When the sealing area of ​​the packaging bag body is moved between the two thermoplastic strips by the lower pressure belt and the upper pressure belt, the sealing area of ​​the packaging bag body is heated and melted together to achieve the purpose of sealing. At the same time, as the conveyor belt continues to convey, the sealed packaging bag body is sent out of the thermoplastic sealing area, which is convenient for the subsequent packaging bag body to be sealed, so as to achieve the purpose of automatically sealing the packaging bag body, reduce manual labor and improve sealing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0018] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0019] Figure 1 The overall structural diagram provided by the utility model;

[0020] Figure 2 A three-dimensional diagram of the driving relationship of the sealing and edge pressing assembly provided by the utility model;

[0021] Figure 3 A rear partial cutaway stereoscopic view provided by the utility model;

[0022] Figure 4 An exploded perspective view provided for the utility model;

[0023] Figure 5 The utility model provides Figure 4 Enlarged view of point A in the middle.

[0024] In the figure: 1 frame, 2 support plate, 3 thermoplastic strip, 4 motor, 5 driving shaft 1, 6 conveyor belt, 7 driven shaft 1, 8 pulley 1, 9 belt, 10 pulley 2, 11 driving shaft 2, 12 driven shaft 2, 13 lower pressure belt, 14 gear 1, 15 gear 2, 16 driving shaft 3, 17 driven shaft 3, 18 upper pressure belt, 19 protective cover, 20 packaging bag body. DETAILED DESCRIPTION

[0025] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the 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.

[0026] Refer to the attached Figure 1 -Attached Figure 5 The utility model provides a thermoplastic sealing machine for packaging bag production, comprising a frame 1, a support plate 2 is fixedly provided on the top of the frame 1, two thermoplastic strips 3 are fixedly provided on one side of the frame 1, and a sealing conveying mechanism is provided inside the frame 1;

[0027] The sealing conveying mechanism includes a driving shaft 15 and a driven shaft 17, both of which are arranged inside the frame 1, and a conveyor belt 6 is sleeved outside the driving shaft 15 and the driven shaft 17. A sealing edge pressing assembly is provided on the top of the driving shaft 15, and the sealing edge pressing assembly includes an upper edge pressing unit and a lower edge pressing unit. The lower edge pressing unit includes a driving shaft 2 11, a driven shaft 2 12, a lower pressing belt 13, and a gear 14. The upper edge pressing unit includes a gear 2 15, a driving shaft 3 16, a driven shaft 3 17, and an upper pressing belt 18. A synchronous driving unit is provided outside the driving shaft 15 and the driving shaft 2 11;

[0028] In this embodiment, in order to achieve the purpose of automatically sealing the packaging bag body 20, the same shaft diameter and synchronous driving of the driving shaft 1 5, the driving shaft 2 11, and the driving shaft 3 16 are used to make the conveyor belt 6, the lower pressure belt 13, and the upper pressure belt 18 have relative transmission speeds, so as to prevent the bottom of the packaging bag body 20 driven by the conveyor belt 6 from having a speed difference with the top of the packaging bag body 20 driven by the lower pressure belt 13 and the upper pressure belt 18, so as to stably convey the packaging bag body 20. When the sealing area of ​​the packaging bag body 20 driven by the lower pressure belt 13 and the upper pressure belt 18 moves between the two thermoplastic strips 3, the sealing area of ​​the packaging bag body 20 is heated and melted together to achieve the purpose of sealing. At the same time, as the conveyor belt 6 continues to convey, the sealed packaging bag body 20 is sent out of the thermoplastic sealing area, which is convenient for the subsequent packaging bag body 20 to be sealed, so as to achieve the purpose of automatically sealing the packaging bag body 20, reduce the amount of manual labor, and improve the sealing efficiency.

[0029] Among them, in order to achieve the purpose of synchronous rotation of the driving shaft 15 and the driving shaft 2 11, the present device adopts the following technical solutions: the synchronous driving unit includes a pulley 18 and a pulley 2 10, the pulley 18 is fixedly sleeved on the outside of the driving shaft 15, the pulley 2 10 is fixedly sleeved on the outside of the driving shaft 2 11, the pulley 18 and the pulley 2 10 are sleeved with a belt 9, the pulley 18 and the pulley 2 10 are connected by the belt 9, a motor 4 is fixedly arranged on one side of the frame 1, the output end of the motor 4 is fixedly connected to one end of the driving shaft 15, and a protective cover 19 is fixedly arranged on the other side of the frame 1 The driving shaft 15 and the driven shaft 17 both penetrate the two side walls of the frame 1 and are connected to the two side walls of the frame 1 through bearings. The driving shaft 15 and the driven shaft 17 are connected by the conveyor belt 6. A plurality of packaging bag bodies 20 are arranged on the top of the conveyor belt 6. One end of the plurality of packaging bag bodies 20 is arranged between the lower pressure belt 13 and the upper pressure belt 18. When the driving shaft 15 rotates, the driving shaft 2 11 rotates synchronously through the cooperation of the pulley 18, the belt 9 and the pulley 2 10. The same shaft diameter of the driving shaft 15 and the driving shaft 2 11 makes the conveyor belt 6 and the lower pressure belt 13 have the same transmission speed and transmission direction;

[0030] Among them, in order to prevent the conveyor belt 6 from conveying the bottom of the packaging bag body 20 and the lower pressure belt 13 and the upper pressure belt 18 from conveying the top of the packaging bag body 20. The device adopts the following technical solutions: the driving shaft 2 11 and the driven shaft 2 12 both penetrate the side wall of the frame 1 and are connected to the side wall of the frame 1 through a bearing, the driving shaft 2 11 and the driven shaft 2 12 are driven and connected through the lower pressure belt 13, the gear 1 14 and the gear 2 15 are respectively fixedly sleeved on the driving shaft 2 11 and the outside of the driving shaft 3 16, the gear 1 14 is meshed with the gear 2 15, the gear 1 14 and the gear 2 15 are both arranged inside the protective cover 19, the driving shaft 3 16 and the driven shaft 3 17 both penetrate the side wall of the frame 1 and are connected to the side wall of the frame 1 through a bearing Then, the driving shaft three 16 and the driven shaft three 17 are connected by the upper pressure belt 18, and the driving shaft two 11 rotates, and the gear one 14 and the gear two 15 cooperate to make the driving shaft three 16 rotate synchronously relative to each other. The driving shaft two 11 and the driving shaft three 16 rotate, so that the lower pressure belt 13 and the upper pressure belt 18 rotate relative to each other, thereby driving the packaging bag body 20 entering the gap between the lower pressure belt 13 and the upper pressure belt 18 to move. At the same time, through the same shaft diameter and synchronous drive of the driving shaft one 5, the driving shaft two 11, and the driving shaft three 16, the conveyor belt 6, the lower pressure belt 13, and the upper pressure belt 18 have a relative transmission speed, thereby preventing the bottom of the packaging bag body 20 driven by the conveyor belt 6 and the top of the packaging bag body 20 driven by the lower pressure belt 13 and the upper pressure belt 18 from having a speed difference.

[0031] The use process of the utility model is as follows: when using the utility model, connect an external power supply, place the packaging bag body 20 that needs to be sealed on the conveyor belt 6, and make the position that needs to be sealed be placed on the support plate 2, start the motor 4, and the motor 4 rotates through the drive shaft 1 5 to rotate the conveyor belt 6, and the conveyor belt 6 rotates to transport the packaging bag body 20. When the drive shaft 1 5 rotates, the drive shaft 2 11 rotates synchronously through the cooperation of the pulley 1 8, the belt 9, and the pulley 2 10. The drive shaft 2 11 rotates through the cooperation of the gear 1 14 and the gear 2 15 to make the drive shaft 3 16 rotate synchronously relative to each other. The drive shaft 2 11 and the drive shaft 3 16 rotate to make the lower pressure belt 13 and the upper pressure belt 18 rotate relative to each other, thereby driving the packaging bag body 20 that enters the gap between the lower pressure belt 13 and the upper pressure belt 18 to move, and at the same time, through the drive shaft 1 5. The same shaft diameter and synchronous drive of the driving shaft 2 11 and the driving shaft 3 16 make the conveyor belt 6, the lower pressure belt 13 and the upper pressure belt 18 have relative transmission speeds, thereby preventing the bottom of the packaging bag body 20 driven by the conveyor belt 6 from having a speed difference with the top of the packaging bag body 20 driven by the lower pressure belt 13 and the upper pressure belt 18, and stably conveying the packaging bag body 20. When the sealing area of ​​the packaging bag body 20 is driven by the lower pressure belt 13 and the upper pressure belt 18 to move between the two thermoplastic strips 3, the sealing area of ​​the packaging bag body 20 is heated and melted together to achieve the purpose of sealing. At the same time, as the conveyor belt 6 continues to convey, the sealed packaging bag body 20 is sent out of the thermoplastic sealing area, which is convenient for the subsequent sealing of the packaging bag body 20, thereby achieving the purpose of automatically sealing the packaging bag body 20, reducing manual labor and improving sealing efficiency.

[0032] The above are only preferred embodiments of the present invention. Any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the above technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the present invention shall fall within the scope of protection claimed by the present invention.

Claims

1. A thermoplastic sealing machine for packaging bag production, comprising a frame (1), characterized in that: A support plate (2) is fixedly provided on the top of the frame (1), two thermoplastic strips (3) are fixedly provided on one side of the frame (1), and a sealing and conveying mechanism is provided inside the frame (1); The sealing conveying mechanism comprises a driving shaft 1 (5) and a driven shaft 1 (7), the driving shaft 1 (5) and the driven shaft 1 (7) are both arranged inside the frame (1), the driving shaft 1 (5) and the driven shaft 1 (7) are externally sleeved with a conveyor belt (6), the top of the driving shaft 1 (5) is provided with a sealing edge pressing assembly, the sealing edge pressing assembly comprises an upper edge pressing unit and a lower edge pressing unit, the lower edge pressing unit comprises a driving shaft 2 (11), a driven shaft 2 (12), a lower pressing belt (13), and a gear 1 (14), the upper edge pressing unit comprises a gear 2 (15), a driving shaft 3 (16), a driven shaft 3 (17), and an upper pressing belt (18), and the driving shaft 1 (5) and the driving shaft 2 (11) are externally provided with a synchronous driving unit.

2. A thermoplastic sealing machine for packaging bag production according to claim 1, characterized in that: The synchronous drive unit comprises a pulley 1 (8) and a pulley 2 (10), wherein the pulley 1 (8) is fixedly sleeved on the outside of the driving shaft 1 (5), and the pulley 2 (10) is fixedly sleeved on the outside of the driving shaft 2 (11), and a belt (9) is sleeved on the outside of the pulley 1 (8) and the pulley 2 (10), and the pulley 1 (8) and the pulley 2 (10) are connected by the belt (9).

3. A thermoplastic sealing machine for packaging bag production according to claim 1, characterized in that: A motor (4) is fixedly provided on one side of the frame (1), an output end of the motor (4) is fixedly connected to one end of a drive shaft (5), and a protective cover (19) is fixedly provided on the other side of the frame (1).

4. A thermoplastic sealing machine for packaging bag production according to claim 1, characterized in that: The driving shaft 1 (5) and the driven shaft 1 (7) both pass through the two side walls of the frame (1) and are connected to the two side walls of the frame (1) via bearings. The driving shaft 1 (5) and the driven shaft 1 (7) are connected by a conveyor belt (6).

5. The thermoplastic sealing machine for packaging bag production according to claim 1, characterized in that: The second driving shaft (11) and the second driven shaft (12) both penetrate a side wall of the frame (1) and are connected to the side wall of the frame (1) via bearings. The second driving shaft (11) and the second driven shaft (12) are connected in driving manner via a downward pressure belt (13).

6. A thermoplastic sealing machine for packaging bag production according to claim 3, characterized in that: The gear one (14) and the gear two (15) are respectively fixedly sleeved on the outside of the drive shaft two (11) and the drive shaft three (16), the gear one (14) and the gear two (15) are meshed, and the gear one (14) and the gear two (15) are both arranged inside the protective cover (19).

7. A thermoplastic sealing machine for packaging bag production according to claim 1, characterized in that: The driving shaft three (16) and the driven shaft three (17) both pass through a side wall of the frame (1) and are connected to the side wall of the frame (1) via bearings. The driving shaft three (16) and the driven shaft three (17) are driven and connected via an upper pressure belt (18).

8. The thermoplastic sealing machine for packaging bag production according to claim 1, characterized in that: A plurality of packaging bag bodies (20) are arranged on the top of the conveyor belt (6), and one end of the plurality of packaging bag bodies (20) is arranged between the lower pressure belt (13) and the upper pressure belt (18).

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