Packaging machine barrel film corner sealing device

Abstract

The utility model relates to a packaging machine barrel film corner sealing device which comprises a side plate and a heat sealing assembly arranged on the side plate, the heat sealing assembly comprises a guide rail and a pair of heat sealing units arranged on the guide rail in a sliding mode, the two heat sealing units are driven by a driving mechanism arranged on the side plate to move oppositely to conduct heat sealing on a barrel film, and the driving mechanism comprises a swing arm. The swing arm is driven to rotate along a hinge shaft arranged between the swing arm and the side plate, a pair of connecting rods hinged to the two heat sealing units respectively is arranged on the surface of the swing arm, and the hinge points of the connecting rods and the swing arm are located at the symmetrical positions of the two sides of the hinge shaft. The two heat sealing units are driven by the same driving mechanism so that the two heat sealing units can move synchronously, when the heat sealing units clamp the M edge from the two sides, deformation of the two sides of the M edge can be kept consistent through synchronous movement, corner sealing positions are more symmetrical, and consistency is good.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of packing machine, concretely relates to a packing machine cylinder film corner sealing device. BACKGROUND

[0002] The FFS packing machine is an integrated packing device for forming, filling and sealing, wherein for heavy film packing bag, according to packing requirements, corner sealing device is needed to fold the edge of the packing bag inward to M edge, and then the two sides of the M edge are corner sealed to make the inner and outer layers of the side edge of the packing bag heat sealed and fixed.

[0003] Two heat sealing units are needed for heat sealing for each side of the packing bag, and the existing corner sealing device generally drives the heat sealing unit to clamp through an independent driving mechanism, and since the independent driving mechanism may be out of sync, the two sides of the M edge of the packing bag are deformed inconsistently, the side clamped first causes the packing bag to accumulate to the other side of the M edge, and then the heat sealing positions of the two heat sealing units are different. SUMMARY

[0004] The utility model discloses a packing machine cylinder film corner sealing device.

[0005] The utility model discloses a packing machine cylinder film corner sealing device.

[0006] A packing machine cylinder film corner sealing device, comprising a side plate and a heat sealing assembly arranged on the side plate, the heat sealing assembly comprising a guide rail and a pair of heat sealing units slidingly arranged on the guide rail, and the two heat sealing units are driven by a same driving mechanism on the side plate to move towards each other to heat seal the cylinder film.

[0007] As a further optimization scheme of the utility model, the driving mechanism comprises a swing arm, the swing arm is driven to rotate along a hinge shaft arranged between the swing arm and the side plate, wherein a pair of connecting rods are arranged on the surface of the swing arm and are hingedly connected with the two heat sealing units respectively, and the hinge points of the connecting rods and the swing arm are located symmetrically on both sides of the hinge shaft, the two heat sealing units are driven to move by the swing arm, so that the two heat sealing units operate synchronously, which is beneficial to simultaneous clamping and improves the symmetry of the heat sealing position.

[0008] As a further optimization scheme of the utility model, the side plate and the heat sealing assembly have two respectively, and the spacing of the two side plates is adjustable, and the spacing adjustment of the side plates can adapt to packing bags of different widths.

[0009] As a further optimization scheme of the utility model, two side plates are provided with adjusting lead screws and at least one adjusting guide shaft, and the two side plates are pushed by the adjusting lead screws to slide in opposite directions along the adjusting guide shaft, the scheme specifically proposes a side plate adjusting interval mode, which is guided by the adjusting guide shaft and then adjusted by the adjusting lead screw, the thread directions on the surface of the adjusting lead screw are opposite, so that the side plates are more symmetrical during interval adjustment.

[0010] As a further optimization scheme of the utility model, the swing arm is pushed and pulled by the telescopic driving element arranged on the side plate, the telescopic driving element adopts a pneumatic cylinder, the output end of the pneumatic cylinder can be provided in an F shape, and the output end is only in contact with the swing arm to push and pull the swing arm, or the output end of the pneumatic cylinder is hingedly connected with the swing arm, and the hinged rotation can slide in the axial direction.

[0011] As a further optimization scheme of the utility model, the heat sealing unit comprises a sliding block slidingly arranged on a guide rail, an angle sealing pressing plate is arranged on the surface of the sliding block, the angle sealing pressing plate is slidingly connected with the sliding block through a guide structure, a second spring is arranged on the guide structure, a heat sealing block is arranged on the inner side of the angle sealing pressing plate, and the heat sealing unit specifically proposed by the scheme is provided with the second spring as a buffer and the heat sealing block for heating, and a heat insulation pad can be arranged on the non-heating surface of the heat sealing block.

[0012] As a further optimization scheme of the utility model, a leveling plate is further arranged between the angle sealing pressing plate and the sliding block, the leveling plate is slidingly connected with the sliding block through a guide rod, a first spring is arranged on the guide rod, and the leveling plate is arranged to facilitate leveling adjustment of the angle sealing pressing plate according to actual conditions.

[0013] As a further optimization scheme of the utility model, a sub-plate is further arranged on the side plate and arranged between the two heat sealing units, and used for folding the M edge of the barrel film.

[0014] The utility model discloses the beneficial effect lies in:

[0015] The utility model discloses the beneficial effect lies in: BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the left view axis side view of the utility model.

[0017] Figure 2 It is the right view axis side view of the utility model.

[0018] Figure 3 It is the front view of the utility model.

[0019] Figure 4 It is a top view of the utility model after the adjusting guide shaft and the adjusting screw are removed.

[0020] Figure 5 It is a side view of the utility model after the adjusting guide shaft and the adjusting screw are removed.

[0021] In the figure: 1. Side panel; 11. Adjusting guide shaft; 12. Adjusting screw; 2. Heat sealing assembly; 21. Guide rail; 22. Slider; 23. First spring; 24. Leveling plate; 25. Second spring; 26. Corner sealing pressure plate; 27. Heat sealing block; 3. Driving mechanism; 31. Telescopic driving member; 32. Swing arm; 33. Articulated shaft; 34. Connecting rod; 4. Splitting plate. DETAILED DESCRIPTION

[0022] The present application is described in further detail below in conjunction with the accompanying drawings. It is necessary to point out that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technicians in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0023] Example 1

[0024] like Figures 1-5 As shown, a packaging machine barrel film corner sealing device includes a side plate 1 and a heat sealing assembly 2 arranged on the side plate 1. The heat sealing assembly 2 includes a guide rail 21 and a pair of heat sealing units slidably arranged on the guide rail 21. The two heat sealing units are driven by the same driving mechanism 3 arranged on the side plate 1 to move toward each other to heat seal the barrel film.

[0025] In this solution, the same driving mechanism 3 is provided to drive the two heat sealing units so that the two heat sealing units move synchronously. When the heat sealing units clamp the M edge from both sides, the synchronous movement can keep the deformation on both sides of the M edge consistent, and the position of the corner seal is more symmetrical and has better consistency.

[0026] The driving mechanism 3 includes a swing arm 32, which is driven to rotate along a hinge shaft 33 provided between the swing arm 32 and the side plate 1, wherein a pair of connecting rods 34 are provided on the surface of the swing arm 32, which are respectively hinged to the two heat sealing units, and the hinge points of the connecting rods 34 and the swing arm 32 are located at symmetrical positions on both sides of the hinge shaft 33. By setting the swing arm 32 to drive the two heat sealing units to move at the same time, the two heat sealing units are synchronized, which is conducive to simultaneous clamping and improves the symmetry of the heat sealing position. Specifically, Figure 5 As shown, the hinge shaft 33 is fixed to the side panel 1. When the swing arm 32 is pushed to rotate along the hinge shaft 33, the hinge points on both sides of the hinge shaft 33 drive the two connecting rods 33 to move synchronously, and the other end of the connecting rod 33 drives the slider 22 to slide synchronously along the guide rail 21.

[0027] The side plates 1 and the heat sealing assembly 2 are respectively provided with two, and the distance between the two side plates 1 is adjustable, and the two side plates 1 are provided with an adjusting lead screw 12 and at least one adjusting guide shaft 11, the two side plates 1 are pushed by the adjusting lead screw 12 to slide in the opposite direction of the adjusting guide shaft 11, and the distance between the two side plates 1 is adjusted to adapt to different widths of the packaging bag, and the present scheme specifically provides a way to adjust the distance between the side plates 1, which is guided by the adjusting guide shaft 11, and then driven by the adjusting lead screw 12, and the screw directions on the surfaces of the adjusting lead screws 12 are opposite, so that the two side plates 1 are more symmetrical and synchronous during the distance adjustment.

[0028] The swing arm 32 is pushed and pulled by the telescopic drive 31 arranged on the side plate 1, and the telescopic drive 31 is a gas cylinder, the output end of which can be arranged in an F shape, and the output end is only in contact with the swing arm 32 to push and pull the swing arm 32, or the output end of the gas cylinder is hingedly connected with the swing arm 32, and the hinged rotation can slide in the axial direction.

[0029] The heat sealing unit comprises a sliding block 22 slidingly arranged on the guide rail 21, the sliding block 22 is provided with an angle sealing pressing plate 26 on the surface, the angle sealing pressing plate 26 is slidingly connected with the sliding block 22 through a guide structure, the guide structure is provided with a second spring 25, and the inner side of the angle sealing pressing plate 26 is provided with a heat sealing block 27, and the present scheme specifically provides a heat sealing unit, which uses the second spring 25 as a buffer and uses the heat sealing block 27 for heating, and the non-heating surface of the heat sealing block 27 can be provided with a heat insulation pad.

[0030] The angle sealing pressing plate 26 and the sliding block 22 are further provided with a leveling plate 24, the leveling plate 24 is slidingly connected with the sliding block 22 through a guide rod, the guide rod is provided with a first spring 23, and the leveling plate is arranged to facilitate leveling adjustment of the angle sealing pressing plate 26 according to actual conditions, wherein the guide rod is a screw nut structure and is tightly fixed with the sliding block 22, and the leveling adjustment is realized by adjusting the screw nut.

[0031] The side plate 1 is further provided with a partition plate 4 arranged between the two heat sealing units, which is used for folding the M edge of the cylinder film.

[0032] The embodiment is specifically: the cylindrical packaging bag raw material continuously moves upwards from below into the two side plates 1, under the inclined angle guide of the lower edge of the partition plate 4, the edge of the packaging bag is folded inward to form an M edge, the driving mechanism 3 drives the two heat sealing units to move close to the partition plate 4, and the edge corners of the inner and outer layers of the packaging bag are heat sealed and fixed, after completion, the heat sealing units are separated, and the packaging bag continues to be transmitted upwards.

[0033] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several deformations and improvements can be made, which belong to the protection range of the utility model.

Claims

1. A packaging barrel film corner sealing apparatus comprising a side plate (1) and a heat sealing assembly (2) provided on the side plate (1), characterized in that: The heat sealing assembly (2) comprises a guide rail (21) and a pair of heat sealing units slidingly arranged on the guide rail (21), and the two heat sealing units are driven by a same driving mechanism (3) on the side plate (1) to move towards each other to heat seal the tube film.

2. A packaging barrel film corner sealing apparatus according to claim 1, characterized in that: The driving mechanism (3) comprises a swing arm (32) which is driven to rotate along a hinge shaft (33) arranged between the swing arm (32) and the side plate (1), wherein a pair of connecting rods (34) are arranged on the surface of the swing arm (32) and are respectively hinged to the two heat sealing units, and the hinge points of the connecting rods (34) and the swing arm (32) are symmetrically located on both sides of the hinge shaft (33).

3. A packaging barrel film corner sealing apparatus according to claim 1, characterized in that: The side plate (1) and the heat sealing assembly (2) are provided with two respectively, and the distance between the two side plates (1) is adjustable.

4. A packaging barrel film corner sealing apparatus according to claim 3, wherein: At least one adjusting guide shaft (11) and an adjusting screw (12) are arranged between the two side plates (1), and the two side plates (1) are pushed by the adjusting screw (12) to slide in opposite directions along the adjusting guide shaft (11).

5. A packaging barrel film corner sealing apparatus according to claim 2, wherein: The swing arm (32) is pushed and pulled by a telescopic driving member (31) arranged on the side plate (1).

6. A packaging barrel film corner sealing apparatus according to claim 1, characterized in that: The heat sealing unit comprises a sliding block (22) slidingly arranged on the guide rail (21), and an angle sealing pressing plate (26) is arranged on the surface of the sliding block (22), the angle sealing pressing plate (26) is slidingly connected with the sliding block (22) through a guide structure, a second spring (25) is arranged on the guide structure, and a heat sealing block (27) is arranged on the inner side of the angle sealing pressing plate (26).

7. A packaging barrel film corner sealing apparatus according to claim 6, wherein: A leveling plate (24) is further arranged between the angle sealing pressing plate (26) and the sliding block (22), the leveling plate (24) is slidingly connected with the sliding block (22) through a guide rod, and a first spring (23) is arranged on the guide rod.

8. A packaging barrel film corner sealing apparatus according to claim 1, characterized in that: A partition plate (4) is further arranged on the side plate (1) and is arranged between the two heat sealing units to fold the tube film to form an M edge.

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