Sealing device of particle packaging machine

Abstract

The utility model provides a sealing device of a particle packaging machine, and relates to the technical field of packaging equipment, and the sealing device comprises a bag opening mechanism which comprises a first suction plate and a second suction plate which can get close to each other and get away from each other, and negative pressure adsorption holes are formed in the sides, close to each other, of the first suction plate and the second suction plate; the pressing mechanism comprises a first pressing plate and a second pressing plate which can get close to each other and get away from each other; the cutting mechanism comprises a cutter which is movably mounted on the bag opening mechanism; the lifting mechanism is used for enabling the bag opening mechanism to move along a lifting path, and the lifting path is parallel to the discharging direction of the winding roller; the rotating mechanism is connected with the lifting mechanism and the bag opening mechanism; the rotating mechanism can move along the lifting path and can adjust the pitching angle of the bag opening mechanism in the vertical direction. And by adjusting the stroke of the lifting mechanism, the plastic bag cutting machine can adapt to cutting of plastic bags with different lengths. The bag opening mechanism not only can open the opening end of the plastic bag, but also can pull the plastic bag to be filled with the particle materials, and continuous supply of the plastic bag is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to packing equipment technical field especially is related to a sealing device of granule packing machine. BACKGROUND

[0002] The application of granule packing machine has been very extensive, and it usually adopts the way of pressing to seal the plastic bag after loading the granule, and finally cuts off the plastic bag. However, the device for sealing in the existing granule packing machine is inconvenient to cut according to the length of the plastic bag, which needs to be improved. UTILITY MODEL CONTENTS

[0003] In view of the above problems, the utility model provides a sealing device of granule packing machine, which aims at solving the technical problem that the device for sealing in the existing granule packing machine is inconvenient to cut according to the length of the plastic bag.

[0004] To achieve the above purpose, the utility model provides the following technical scheme:

[0005] The utility model provides a sealing device of granule packing machine, which comprises:

[0006] The bag opening mechanism comprises a first suction plate and a second suction plate capable of approaching and moving away from each other, and the first suction plate and the second suction plate each have a negative pressure adsorption hole on the side approaching each other;

[0007] The pressing mechanism comprises a first pressing plate and a second pressing plate capable of approaching and moving away from each other;

[0008] The cutting mechanism comprises a cutter, which is movably installed on the bag opening mechanism;

[0009] The lifting mechanism is used for moving the bag opening mechanism along the lifting path, and the lifting path is parallel to the discharging direction of the winding roller;

[0010] The rotating mechanism is connected with the lifting mechanism and the bag opening mechanism;

[0011] The stroke of the lifting mechanism is adjustable, and the rotating mechanism can move along the lifting path and adjust the pitch angle of the bag opening mechanism in the vertical direction, so that the bag opening mechanism can pass between the first pressing plate and the second pressing plate.

[0012] In some embodiments of the utility model, the first pressing plate and the second pressing plate are driven by a pressing oil cylinder.

[0013] In some embodiments of the utility model, the first suction plate and the second suction plate each have an extension; two extensions are slidingly connected with a guide rod; the two extensions are screw-connected on the same reverse toothed lead screw, the reverse toothed lead screw is drivingly connected with a bag opening motor; and the bag opening motor is installed on the guide rod.

[0014] In some embodiments of the utility model, the lifting mechanism includes lifting block and lifting cylinder, lifting block installs in the telescopic end of lifting cylinder, the end of guide rod is connected with lifting block.

[0015] In some embodiments of the utility model, the rotating mechanism includes rotating motor, the end of guide rod is drivingly connected with rotating motor, guide rod has convex ridge, convex ridge is slidingly connected with extension.

[0016] In some embodiments of the utility model, the cutting mechanism further includes connecting rod and cutting cylinder, one end of connecting rod is rotatably connected with cutter, the other end is rotatably connected with the telescopic end of cutting cylinder.

[0017] In some embodiments of the utility model, cutter is slidingly connected with the lower side of second suction plate, cutting cylinder is installed at the right side of second suction plate.

[0018] In some embodiments of the utility model, cutter has first connecting hole, connecting rod has second connecting hole, rotating shaft penetrates second connecting hole and first connecting hole, the both ends of rotating shaft are threadedly connected with limiting nut.

[0019] The utility model embodiment has at least the following advantages or beneficial effects:

[0020] 1, when cutting plastic bags of different lengths, by adjusting the stroke of lifting mechanism, the length of plastic bag being pulled, the relative position of cutter and plastic bag can be adjusted, so that the cutting of plastic bags of different lengths is adapted.

[0021] 2, bag opening mechanism can not only open the open end of plastic bag, but also can pull the plastic bag to be filled with granular material, realizing the continuous supply of plastic bag.

[0022] Other features and advantages of the utility model will be described in the subsequent specification, and some of them become obvious from the specification, or are understood by implementing the utility model. DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiment of the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating labor.

[0024] Figure 1 It is the structure diagram of the sealing device of granular packaging machine;

[0025] Figure 2 It is Figure 1 It is the local enlarged view of position A in the middle;

[0026] Figure 3 For Figure 1 Structure diagram of bag opening mechanism and pressing mechanism along the upper side;

[0027] Figure 4 Structure diagram of rotating shaft and cutter;

[0028] Figure 5 Structure diagram of bag opening mechanism after moving down along the lifting path.

[0029] Icon:

[0030] 1-bag opening mechanism, 11-first suction plate, 111-negative pressure suction hole, 12-second suction plate, 13-extension, 14-guide rod, 141-convex ridge, 15-positive and negative tooth screw, 16-bag opening motor,

[0031] 2-pressing mechanism, 21-first pressing plate, 22-second pressing plate, 23-pressing oil cylinder,

[0032] 3-cutting mechanism, 31-cutter, 32-linkage, 33-cutting cylinder, 34-rotating shaft, 35-limiting nut,

[0033] 51-lifting path, 52-lifting block,

[0034] 61-rotary motor,

[0035] 7-feeding hopper,

[0036] 8-rolling roller,

[0037] 9-plastic bag. DETAILED DESCRIPTION

[0038] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present application.

[0039] In the description of the embodiments of the present application, it should be understood that the terms "upper", "lower", "front", "back", "right", etc. indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0040] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0041] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0042] The embodiments of this utility model will be described in detail below.

[0043] Example

[0044] See Figures 1-5 This embodiment provides a sealing device for a granule packaging machine, including a bag opening mechanism 1, a pressing mechanism 2, a cutting mechanism 3, a lifting mechanism, and a rotating mechanism.

[0045] The bag opening mechanism 1 includes a first suction plate 11 and a second suction plate 12 that can move closer to each other and further apart. Both the first suction plate 11 and the second suction plate 12 have negative pressure adsorption holes 111 on the side that moves closer to each other.

[0046] The pressing mechanism 2 includes a first pressing plate 21 and a second pressing plate 22 that can move closer to or further away from each other.

[0047] The cutting mechanism 3 includes a cutter 31, which is movably mounted on the bag opening mechanism 1.

[0048] The lifting mechanism is used to move the bag opening mechanism 1 along the lifting path 51 ( Figure 1 (Represented by double-dotted lines) The lifting path 51 is parallel to the discharge direction of the winding roller 8; the stroke of the lifting mechanism is adjustable.

[0049] The rotating mechanism is connected to the lifting mechanism and the bag opening mechanism 1. The rotating mechanism can move along the lifting path 51 and can adjust the pitch angle of the bag opening mechanism 1 in the vertical direction so that the bag opening mechanism 1 can pass between the first pressure plate 21 and the second pressure plate 22.

[0050] The bag opening mechanism 1 and the pressing mechanism 2 are located below the feeding hopper 7. The plastic bag 9 is placed on the winding roller 8, which is located below the bag opening mechanism 1 and the pressing mechanism 2. One end of the plastic bag 9 is discharged upward and passes through the space between the first pressure plate 21 and the second pressure plate 22.

[0051] During operation, the bag opening mechanism 1 is first lowered to below the pressing mechanism 2. The first suction plate 11 and the second suction plate 12 clamp the open end of the plastic bag 9. The first suction plate 11 and the second suction plate 12 are then moved up to above the pressing mechanism 2 and below the feeding hopper 7. The negative pressure adsorption hole 111 is then connected to the negative pressure device to suck up both sides of the opening of the plastic bag 9. The first suction plate 11 and the second suction plate 12 are separated, allowing the opening end of the plastic bag 9 to open. After the granular material falls into the plastic bag 9, the first pressure plate 21 and the second pressure plate 22 move closer to each other, using the first pressure plate 21 and the second pressure plate 22 to press and seal the plastic bag 9. Then, the negative pressure adsorption hole 111 is disconnected. The connection between the bag opening mechanism 11 and the negative pressure device is achieved through a rotating mechanism that raises the first suction plate 11 and the second suction plate 12 of the bag opening mechanism 1. Then, a lifting mechanism lowers the bag opening mechanism 1 and the rotating mechanism to stagger the bag opening mechanism 1 and the pressing mechanism 2, preventing interference. Next, the rotating mechanism flattens the first suction plate 11 and the second suction plate 12 of the bag opening mechanism 1, bringing them close together to clamp the lower part of the closed end of the plastic bag 9. The cutter 31 cuts the plastic bag 9, separating the first pressure plate 21 and the second pressure plate 22. The cut plastic bag 9 separates from other plastic bags 9 under its own weight, thus completing one packaging operation. After completing one packaging operation, the first suction plate 11 and the second suction plate 12 remain close together and move upwards to reset, pulling upwards the plastic bag 9 to be used, thus facilitating the next packaging operation.

[0052] When cutting plastic bags 9 of different lengths, the length of the plastic bag 9 being pulled and the relative position of the cutter 31 and the plastic bag 9 can be adjusted by adjusting the stroke of the lifting mechanism, thereby adapting to the cutting of plastic bags 9 of different lengths (in the prior art, fixed-length cutting is generally used).

[0053] The first suction plate 11 and the second suction plate 12 of the bag opening mechanism 1 move closer and further apart in the following manner: Both the first suction plate 11 and the second suction plate 12 have an extension 13. Guide rods 14 are slidably connected to the two extensions 13. The two extensions 13 are threaded onto the same forward and reverse threaded screw 15, which is driven by a bag opening motor 16 mounted on the guide rod 14. The bag opening motor 16 drives the forward and reverse threaded screw 15 to rotate, causing the first suction plate 11 and the second suction plate 12 to move synchronously in opposite directions, thereby causing the first suction plate 11 and the second suction plate 12 to move closer and further apart.

[0054] The first pressure plate 21 and the second pressure plate 22 of the pressing mechanism 2 are driven by the pressing cylinder 23 to move closer and further apart.

[0055] The cutting mechanism 3 also includes a connecting rod 32 and a cutting cylinder 33; one end of the connecting rod 32 is rotatably connected to the cutter 31, and the other end is rotatably connected to the telescopic end of the cutting cylinder 33; the cutter 31 is slidably connected to the lower side of the second suction plate 12, and the cutting cylinder 33 is installed on the right side of the second suction plate 12.

[0056] By placing the cutter 31 on the lower side of the second suction plate 12, it is possible to prevent the plastic bag 9 containing granular material from being cut by the cutter 31 when it falls (compared to placing the cutter 31 on the upper side of the second suction plate 12).

[0057] Furthermore, the cutter 31 and the connecting rod 32 are connected by a rotating shaft 34. The cutter 31 has a first connecting hole, and the connecting rod 32 has a second connecting hole. The rotating shaft 34 passes through the second connecting hole and the first connecting hole. The two ends of the rotating shaft 34 are threaded with limit nuts 35. This makes the cutter 31 detachable, which is convenient for replacement after the cutter 31 wears out.

[0058] The lifting mechanism includes a lifting block 52 and a lifting cylinder (not shown in the figure). The lifting block 52 is installed at the telescopic end of the lifting cylinder, and the end of the guide rod 14 is connected to the lifting block 52. By adjusting the stroke of the lifting cylinder, the length of the plastic bag 9 being pulled and the relative position of the cutter 31 and the plastic bag 9 can be adjusted, thereby adapting to the cutting of plastic bags 9 of different lengths.

[0059] The rotating mechanism includes a rotary motor 61, and the end of the guide rod 14 is connected to the rotary motor 61 for transmission. The guide rod 14 has a protrusion 141, which is slidably connected to the extension 13 and is used to drive the extension 13 to rotate.

[0060] Finally, it should be noted that the above are merely preferred embodiments of this application and are not intended to limit this application. For those skilled in the art, this application can have various modifications and variations. Without conflict, the embodiments and features described in the embodiments of this application can be arbitrarily combined with each other. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A sealing device for a granule packaging machine, characterized in that, include: The bag opening mechanism includes a first suction plate and a second suction plate that can move closer to and further away from each other, and both the first suction plate and the second suction plate have negative pressure adsorption holes on the side that moves closer to each other; The pressing mechanism includes a first pressure plate and a second pressure plate that can move closer to and further away from each other; A cutting mechanism, including a cutter, the cutter being movably mounted on the bag opening mechanism; A lifting mechanism is used to move the bag opening mechanism along a lifting path, the lifting path being parallel to the discharge direction of the take-up roller; A rotating mechanism is connected to the lifting mechanism and the bag-opening mechanism; The lifting mechanism has an adjustable stroke; the rotating mechanism can move along the lifting path and adjust the pitch angle of the bag opening mechanism in the vertical direction.

2. The sealing device of the granule packaging machine according to claim 1, characterized in that, The first pressure plate and the second pressure plate are driven by a pressing cylinder.

3. The sealing device of the granule packaging machine according to claim 1, characterized in that, Both the first suction plate and the second suction plate have an extension; the two extensions are slidably connected to a guide rod; the two extensions are threadedly connected to the same positive and negative threaded screw, which is driven by a bag-opening motor; the bag-opening motor is mounted on the guide rod.

4. The sealing device of the granule packaging machine according to claim 3, characterized in that, The lifting mechanism includes a lifting block and a lifting cylinder. The lifting block is installed at the telescopic end of the lifting cylinder, and the end of the guide rod is connected to the lifting block.

5. The sealing device of the granule packaging machine according to claim 3, characterized in that, The rotating mechanism includes a rotary motor, the end of the guide rod is connected to the rotary motor for transmission, the guide rod has a protrusion, and the protrusion is slidably connected to the extension.

6. The sealing device of the granule packaging machine according to any one of claims 1 to 5, characterized in that, The cutting mechanism also includes a connecting rod and a cutting cylinder; one end of the connecting rod is rotatably connected to the cutter, and the other end is rotatably connected to the telescopic end of the cutting cylinder.

7. The sealing device of the granule packaging machine according to claim 6, characterized in that, The cutter is slidably connected to the lower side of the second suction plate, and the cutting cylinder is installed on the right side of the second suction plate.

8. The sealing device of the granule packaging machine according to claim 6, characterized in that, The cutter has a first connecting hole, the connecting rod has a second connecting hole, the rotating shaft passes through the second connecting hole and the first connecting hole, and the two ends of the rotating shaft are threaded with limit nuts.

Images