Bag opening mechanism for horizontal packaging machine

Abstract

A bag opening mechanism for a horizontal packaging machine comprises a housing, a supporting plate, a mounting plate, a suction cup assembly, a driving assembly, a short connecting rod and a long connecting rod, the supporting plate is arranged at the bottom of the housing, the mounting plate is connected with the upper portion of the supporting plate, the bottom end of the suction cup assembly is connected with the upper portion of the mounting plate, and the driving assembly is connected with the mounting plate through the short connecting rod and the long connecting rod. The driving assembly is fixed to the side wall of the housing. Compared with the prior art, the size of the opened bag can be accurately controlled by improving the driving assembly to be matched with the transmission structure.

Description

Technical Field

[0001] The utility model relates to the field of packaging equipment, in particular to a bag opening mechanism for a horizontal packaging machine. Background Art

[0002] At present, horizontal packaging machines need to open the packaging bags before filling them, so there will be a bag opening mechanism to perform this operation. At present, the common design idea of ​​the bag opening mechanism is usually to control it through a driving cam. However, this design scheme will be difficult to adjust the size of the bag opening after the cam curve is determined, resulting in poor adaptability. Different needs often require readjustment, which affects production efficiency.

[0003] To solve the above problems, we made a series of improvements. Utility Model Content

[0004] The purpose of the utility model is to provide a bag opening mechanism for a horizontal packaging machine to overcome the above-mentioned shortcomings and deficiencies in the prior art.

[0005] A bag opening mechanism for a horizontal packaging machine comprises: a cover shell, a support plate, a mounting plate, a suction cup assembly, a driving assembly, a short connecting rod and a long connecting rod, wherein the support plate is arranged at the bottom of the cover shell, the mounting plate is connected to the top of the support plate, the bottom end of the suction cup assembly is connected to the top of the mounting plate, the driving assembly is connected to the mounting plate via a short connecting rod and a long connecting rod, and the driving assembly is fixed to the side wall of the cover shell.

[0006] Furthermore, a guide rail and a slider are provided on the support plate, the guide rail is provided on the support plate, the slider is connected to the guide rail, and the slider is fixedly connected to the mounting plate.

[0007] Furthermore, the mounting plate includes: an outer mounting plate and an inner mounting plate, the bottom ends of the outer mounting plate and the inner mounting plate are fixedly connected to the slider, the top ends of the outer mounting plate and the inner mounting plate are fixedly connected to the suction cup assembly, the bottom end of the outer mounting plate is connected to the driving assembly through a long connecting rod, and the bottom end of the inner mounting plate is connected to the driving assembly through a short connecting rod.

[0008] Furthermore, the suction cup assembly includes: a mounting block, a fixed arm, an air pipe, a clamping block, a connecting block, a suction cup and a fixed block, wherein the mounting block is fixed on the mounting plate, the mounting block is connected to the bottom end of the fixed arm, the air pipe is fixed in the groove of the fixed arm, the fixing block is bolted to the fixed arm, the fixing block is connected to the clamping block, the connecting block is through-connected to the air pipe, the suction cup is connected to the air pipe, and the bottom of the air pipe is connected to an external hose via an adapter.

[0009] Furthermore, the drive assembly includes: a servo motor, a coupling, a drive shaft, a bearing seat and a swing arm, the servo motor is connected to the drive shaft through a coupling, the drive shaft is connected to the bearing seat, a swing arm is fixed on the drive shaft, the bearing seat is fixed on the cover, and the swing arm is connected to the short connecting rod and the long connecting rod.

[0010] Beneficial effects of the utility model:

[0011] Compared with the traditional technology, the utility model can realize accurate control of the size of the bag opening by improving the driving component and coordinating the transmission structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 It is a schematic diagram of the structure of the suction cup assembly.

[0014] Figure 3 A schematic diagram of the structure of the drive component.

[0015] Reference numerals:

[0016] The cover 100 , the support plate 200 , the guide rail 210 and the slider 220 .

[0017] The mounting plate 300 , the outer mounting plate 310 and the inner mounting plate 320 .

[0018] Suction cup assembly 400 , mounting block 410 , fixing arm 420 , groove 421 , air pipe 430 , clamping block 440 , connecting block 450 , suction cup 460 and fixing block 470 .

[0019] Driving assembly 500 , servo motor 510 , coupling 520 , driving shaft 530 , bearing seat 540 and swing arm 550 .

[0020] A short connecting rod 600 and a long connecting rod 700. DETAILED DESCRIPTION

[0021] The following is a further description of the present invention in conjunction with specific embodiments. It should be understood that the following embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0022] Example 1

[0023] Figure 1 It is a structural schematic diagram of the utility model. Figure 2 It is a schematic diagram of the structure of the suction cup assembly. Figure 3 A schematic diagram of the structure of the drive component.

[0024] like Figure 1As shown, a bag opening mechanism for a horizontal packaging machine includes: a cover shell 100, a support plate 200, a mounting plate 300, a suction cup assembly 400, a driving assembly 500, a short connecting rod 600 and a long connecting rod 700. The support plate 200 is arranged at the bottom of the cover shell 100, the mounting plate 300 is connected to the upper part of the support plate 200, the bottom end of the suction cup assembly 400 is connected to the upper part of the mounting plate 300, the driving assembly 500 is connected to the mounting plate 300 through the short connecting rod 600 and the long connecting rod 700, and the driving assembly 500 is fixed to the side wall of the cover shell 100.

[0025] A guide rail 210 and a slider 220 are provided on the support plate 200 . The guide rail 210 is provided on the support plate 200 , the slider 220 is connected to the guide rail 210 , and the slider 220 is fixedly connected to the mounting plate 300 .

[0026] The mounting plate 300 includes: an outer mounting plate 310 and an inner mounting plate 320, the bottom ends of the outer mounting plate 310 and the inner mounting plate 320 are fixedly connected to the slider 220, the top ends of the outer mounting plate 310 and the inner mounting plate 320 are fixedly connected to the suction cup assembly 400, the bottom end of the outer mounting plate 310 is connected to the driving assembly 500 through a long connecting rod 700, and the bottom end of the inner mounting plate 320 is connected to the driving assembly 500 through a short connecting rod 600.

[0027] like Figure 2 As shown, the suction cup assembly 400 includes: a mounting block 410, a fixed arm 420, an air pipe 430, a clamping block 440, a connecting block 450, a suction cup 460 and a fixing block 470. The mounting block 410 is fixed on the mounting plate 300, the mounting block 410 is connected to the bottom end of the fixed arm 420, the air pipe 430 is fixed in the groove 421 of the fixed arm 420, the fixing block 470 is bolted to the fixed arm 420, the fixing block 470 is connected to the clamping block 440, the connecting block 450 is through-connected to the air pipe 430, the suction cup 460 is connected to the air pipe 430, and the bottom of the air pipe 430 is connected to the external hose through an adapter.

[0028] like Figure 3 As shown, the drive assembly 500 includes: a servo motor 510, a coupling 520, a drive shaft 530, a bearing seat 540 and a swing arm 550. The servo motor 510 is connected to the drive shaft 530 through the coupling 520, the drive shaft 530 is connected to the bearing seat 540, a swing arm 550 is fixed on the drive shaft 530, the bearing seat 540 is fixed on the cover 100, and the swing arm 550 is connected to the short connecting rod 600 and the long connecting rod 700.

[0029] The principle of the utility model: when the finished packaging bag is transferred to the workstation of the utility model, the servo motor 510 is started to drive the drive shaft 530 to rotate through the coupling 520, and the drive shaft 530 drives the swing arm 550 to deflect. The swing arm 550 drives the outer mounting plate 310 and the inner mounting plate 320 to move in opposite directions through the short connecting rod 600 and the long connecting rod 700 respectively. The outer mounting plate 310 and the inner mounting plate 320 both drive the two suction cup assemblies 400 to move in opposite directions and fit the packaging bag. In this process, the suction cup assemblies 400 are distributed on both sides of the packaging bag. At this time, the air circuit is controlled to generate negative pressure so that the two sides of the packaging bag are firmly adsorbed on the suction cups 460 on both sides, and the servo motor 510 is reversely controlled to drive the suction cups 460 on both sides to move away from each other, completing the bag opening action.

[0030] When the height of the suction cup 460 needs to be adjusted, the screws on the clamp block 440 can be loosened with a tool, and the connection block 450 and the air pipe 430 can be dragged upward to move to complete the height adjustment. The mounting block 410 is provided with a groove 421 to limit the position of the fixed arm 420, and a through hole is provided at the bottom of the groove 421 for passing the air pipe 430, and a through hole is provided on the fixed arm 420 for passing the air pipe 430; the fixed block 470 is used in conjunction with the clamp block 440 to clamp the air pipe 430, and the fixed block 470 is connected to the fixed arm 420 by bolts, and a cavity is provided inside the connection block 450, and the top of the air pipe 430 extends into the cavity and is fixed by bolts, and a quick-change adapter is provided at the bottom of the air pipe 430 for connecting with a soft air pipe, and both suction cups are threadedly connected to the connection block 450 and communicated with the air pipe 430.

[0031] Compared with the traditional technology, the utility model can realize accurate control of the size of the bag opening by improving the driving component and coordinating the transmission structure.

[0032] The specific implementation modes of the present invention are described above, but the present invention is not limited thereto. The present invention can also have various changes without departing from the purpose of the present invention.

Claims

1. A bag opening mechanism for a horizontal packaging machine, characterized in that: include: A cover shell (100), a support plate (200), a mounting plate (300), a suction cup assembly (400), a driving assembly (500), a short connecting rod (600) and a long connecting rod (700), wherein the support plate (200) is arranged at the bottom of the cover shell (100), the mounting plate (300) is connected to the top of the support plate (200), the bottom end of the suction cup assembly (400) is connected to the top of the mounting plate (300), the driving assembly (500) is connected to the mounting plate (300) via the short connecting rod (600) and the long connecting rod (700), and the driving assembly (500) is fixed to the side wall of the cover shell (100).

2. The bag opening mechanism for a horizontal packaging machine according to claim 1, characterized in that: The support plate (200) is provided with a guide rail (210) and a slider (220); the guide rail (210) is provided on the support plate (200); the slider (220) is connected to the guide rail (210); and the slider (220) is fixedly connected to the mounting plate (300).

3. The bag opening mechanism for a horizontal packaging machine according to claim 2, characterized in that: The mounting plate (300) comprises: an outer mounting plate (310) and an inner mounting plate (320); the bottom ends of the outer mounting plate (310) and the inner mounting plate (320) are fixedly connected to the slider (220); the top ends of the outer mounting plate (310) and the inner mounting plate (320) are fixedly connected to the suction cup assembly (400); the bottom end of the outer mounting plate (310) is connected to the driving assembly (500) via a long connecting rod (700); and the bottom end of the inner mounting plate (320) is connected to the driving assembly (500) via a short connecting rod (600).

4. The bag opening mechanism for a horizontal packaging machine according to claim 1, characterized in that: The suction cup assembly (400) comprises: a mounting block (410), a fixed arm (420), an air pipe (430), a clamping block (440), a connecting block (450), a suction cup (460) and a fixing block (470); the mounting block (410) is fixed on the mounting plate (300); the mounting block (410) is connected to the bottom end of the fixed arm (420); the air pipe (430) is fixed in a groove (421) of the fixed arm (420); the fixing block (470) is bolted to the fixed arm (420); the fixing block (470) is connected to the clamping block (440); the connecting block (450) is through-connected to the air pipe (430); the suction cup (460) is connected to the air pipe (430); and the bottom of the air pipe (430) is connected to an external hose via an adapter.

5. The bag opening mechanism for a horizontal packaging machine according to claim 1, characterized in that: The driving assembly (500) comprises: a servo motor (510), a coupling (520), a driving shaft (530), a bearing seat (540) and a swing arm (550); the servo motor (510) is connected to the driving shaft (530) via the coupling (520); the driving shaft (530) is connected to the bearing seat (540); a swing arm (550) is fixed to the driving shaft (530); the bearing seat (540) is fixed to the cover (100); and the swing arm (550) is connected to a short connecting rod (600) and a long connecting rod (700).

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