CN204110413U - A kind of vertical duplex bag packaging machine - Google Patents

Abstract

The utility model discloses a vertical double bag packing machine, in which a metering and feeding device, a bag forming device, a heat sealing device and a cutting device are sequentially arranged: the metering and feeding device consists of a turntable volumetric metering and feeding device and a pneumatic piston metering The feeding device is used to feed two different materials into the two feeding channels of the same forming machine; the bag forming machine is a single-mode dual-channel forming machine with two cavities and two feeding channels; The heat-sealing device is composed of a heat-pressing roller type vertical sealing device and a splint type horizontal sealing device with independent transmission. The dual-material metering, feeding, vertical sealing, horizontal sealing, and cutting parts of the utility model are all handled separately, and controlled by PLC, which can ensure that the double-pack bag produced by the machine during operation is not easy to wrinkle, and the horizontal sealing edge is not easy to trap dust , the production defective rate is less than 1/10,000, and can carry out modular independent measurement and packaging of double materials, with a production speed of 90-110 bags/min.

Description

A vertical double bag packaging machine

technical field

The utility model relates to a packaging device, in particular to a vertical packaging machine which uses strip-shaped composite films to automatically heat-seal products of parallel parallel double bags.

Background technique

At present, there are two types of vertical packaging machines on the market: continuous type and splint type (intermittent type). Their packaging principles are basically the same, and they all use the method of filling bags while making bags. Pack materials into a small bag, which cannot be used for bag making and filling of double-pack double-cavity products. With the development of industry, there has been a need for multi-functional material packaging in the fields of medicine, pesticides, food, etc., and parallel packaging is required. Although this kind of packaging machine has appeared in China, due to the unscientific design of the metering and feeding mechanism and the heat-sealing mechanism, the loss during production is large, the production speed is slow, and the quality of the packaged multi-bag product is unstable, and large-scale industrialized and stable production cannot be realized. .

Utility model content

Aiming at the deficiencies of the prior art, the utility model aims to provide a vertical double bag packaging machine, which combines the use of two types of metering and feeding devices: a turntable volumetric metering and feeding device and a pneumatic piston metering and feeding device. The channel former realizes the parallel packaging of two different materials in double bags; in addition, the feeding timing of the two metering and feeding mechanisms can be adjusted freely, which can ensure that when feeding and sealing materials with different specific gravity at the same time, the small bag will not be clamped Grey, no broken package, high yield rate during high-speed packaging.

In order to achieve the above object, the utility model adopts the following technical solutions:

A vertical double bag packaging machine, comprising a cabinet, and a metering and feeding device, a bag former, a heat sealing device and a cutting device arranged on the cabinet; the metering and feeding device includes a turntable volumetric metering and feeding device and Pneumatic piston-type metering and feeding devices, both of which use independent transmission mechanisms; the bag former is a single-mode double-channel former, mainly composed of two chambers and two feeding channels, and each chamber corresponds to a feeding channel; The inlets of the two cavities are respectively connected with the outlet of the turntable volumetric metering and feeding device and the outlet of the pneumatic piston metering and feeding device; the outlets of the cavities are respectively connected with two feeding channels; The heat-sealing device includes a heat-pressing roller-type vertical sealing device and a splint-type horizontal sealing device, both of which use independent drive mechanisms; the metering and feeding device, heat-sealing device and cutting device are all coordinated and controlled by a PLC controller.

It should be noted that the volumetric metering and feeding device of the turntable and the pneumatic piston metering and feeding device are used for metering and feeding respectively, and an independent transmission mechanism is adopted, the purpose is to enable the packaging machine to pack two different materials in double bags, and The feeding timing of the two metering and feeding devices can be independently adjusted through the PLC without affecting each other, ensuring that when materials with different specific gravity are fed and sealed at the same time, the small bag does not contain dust and does not break the bag, and the yield is high during high-speed packaging. .

It should be noted that, on the one hand, the role of the single-mode dual-channel former is that the strip-shaped composite film is initially folded into side-by-side joint bags after passing through the outer wall of the single-mode dual-channel former, so that it passes through the hot-pressing rollers in sequence. Type vertical sealing device and splint type horizontal sealing device become a double bag; on the other hand, the two cavities and corresponding feeding channels set up by the single-mode dual-channel forming device are two kinds of materials that are fed separately from the turntable volumetric feeding device. And the pneumatic piston metering and feeding device enters the passage of the two cavities of the double bag.

As a preferred solution, the turntable volumetric metering and feeding device includes a hopper, a turntable, and a volumetric measuring cup arranged on the turntable, and the turntable is driven by a main motor through a main shaft.

As a preferred solution, the vertical double bag packaging machine is provided with two turntable volumetric metering and feeding devices, and a mixing feeding mechanism is arranged between them, and the mixing feeding mechanism includes a mixing turntable and a mixing hopper , the mixing turntable is driven by the main motor through the main shaft; the mixing hopper is driven by the mixing turntable to obtain materials from the turntable volumetric metering and feeding device, and put them into a container of the single-mode dual-channel former. cavity.

It should be noted that, under this preferred solution, the vertical double bag packaging machine can realize the metering of the mixed powder into one of the cavities of the made double bag: first, the two components of the mixed powder Measured by two turntable volumetric metering and feeding devices respectively and put into the mixing hopper, and the mixing hopper is put into a cavity of the single-mode double-channel former after obtaining two compositions, and passed through The corresponding feeding channel enters one of the cavities of the double bag.

As a preferred solution, the pneumatic piston type metering and feeding device is mainly composed of a silo, a cylinder, a metering feeding slider, a measuring cup and a discharge port. One end of the metering feeding slider is connected to the cylinder, and the other end is It is connected with the measuring cup; the outlet and the silo are misplaced front and rear, and when the cylinder drives the metering and feeding slider to move backward, the measuring cup communicates with the silo; when the cylinder When the metering and feeding slider is driven to move forward, the measuring cup communicates with the discharge port.

As a preferred solution, the hot-pressing roller type vertical sealing device includes two pairs of hot-pressing rollers, each pair of hot-pressing rollers is provided with a heating transmission shaft, and the inner cavity of the heating transmission shaft is hollow, and a heating rod is installed; The hot-pressing roller includes an inner hot-pressing roller and an outer hot-pressing roller; a sprocket is arranged on the heating transmission shaft, and the sprocket and a pulley are connected through a transmission chain; the pulley is controlled by a stepping motor. drive.

As a preferred solution, the splint type horizontal sealing device includes a pair of heating irons, the heating irons are connected with rocker arms, and the rocker arms are connected with the transmission cam; the main motor drives the transmission cam to rotate through the main shaft, thereby driving The rocker arm opens and closes, and finally drives the heating iron to open and close.

The beneficial effects of the utility model are:

1. It can quickly and stably heat seal the same strip-shaped composite film into a parallel double bag with two independent cavities, and seal two materials with different functions or characteristics into the two cavities of the double bag ;

2. The feeding timing and feeding amount of the two metering and feeding devices can be adjusted independently, which can ensure that when feeding and sealing materials with different specific gravity at the same time, it can effectively reduce the problems of dust inclusion and bag breakage during packaging;

3. The horizontal sealing device and the vertical sealing device adopt independent drives, which can effectively reduce the probability of wrinkles and weak edge sealing during packaging, and improve the yield rate and product quality stability.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a structural schematic diagram of the turntable volumetric metering feeding device 2 and the mixing feeding mechanism 3 shown in Fig. 1;

Fig. 3 is a schematic structural view of the pneumatic piston type metering and feeding device 4 shown in Fig. 1;

FIG. 4 is a structural schematic diagram of the hot-press roller type vertical sealing device 6 and the splint type horizontal sealing device 7 shown in FIG. 1 .

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings. It should be noted that this embodiment is based on the technical solution and provides detailed implementation and operation process, but the protection scope of the utility model is not limited to this implementation example.

As shown in Figure 1, a kind of vertical double bag packaging machine comprises a cabinet 1, and a metering and feeding device, a bag former, a heat sealing device and a cutting device 8 arranged on the cabinet 1; the metering and feeding The device includes a turntable volumetric metering and feeding device 2 and a pneumatic piston-type metering and feeding device 4; the bag forming device is a single-mode double-channel forming device 5; Horizontal sealing device 7; the turntable volumetric metering and feeding device 2, pneumatic piston metering and feeding device 4, hot-press roller type vertical sealing device 6, splint type horizontal sealing device 7, and cutting device 8 are coordinated and controlled by PLC controller .

The single-mode double-channel forming device 5 is mainly composed of two cavities and two feeding channels, each cavity corresponds to a feeding channel, and the inlets of the two cavities are respectively connected to the outlets of the turntable volumetric metering feeding device 2. It communicates with the discharge port of the pneumatic piston type metering and feeding device 4; the outlet of the cavity is respectively connected with two feeding channels.

As shown in Figure 2, when one of the materials placed in the double-linked bag is a mixed powder (such as deoxidizer), two said turntable volumetric metering and feeding devices 2.1 and 2.2 can be set, both of which include A hopper, a turntable and a volumetric metering cup arranged on the turntable, the turntable is driven by the main shaft of the main motor; between the two turntable volumetric metering and feeding devices 2.1 and 2.2, a mixing feeding mechanism 3 is set, including a mixing turntable 3.1 and several mixing hoppers 3.2 located on the mixing turntable 3.1. The two components that make up the mixed powder are metered through the turntable volumetric metering and feeding devices 2.1 and 2.2 respectively, and put into the mixing hopper 3.2; after the mixing hopper 3.2 obtains the two components, they are put into the single-mode dual-channel One of the cavities of the forming device 5, and through the corresponding feeding channel, enters one of the cavities of the double bag made.

As shown in Figure 3, the pneumatic piston type metering and feeding device 4 is mainly composed of a feed bin 4.1, a cylinder 4.2, a metering feed slider 4.3, a discharge port 4.4 and a measuring cup; the discharge port 4.4 and the feed bin 4.1 Front and back dislocation installation, one end of the metering feeding slider 4.3 is connected with the cylinder 4.2, and the other end is connected with the measuring cup; when the cylinder 4.2 drives the metering feeding slider 4.3 to move backward, the The measuring cup communicates with the material bin 4.1, and when the cylinder 4.2 drives the metering and feeding slider 4.3 to move forward, the measuring cup communicates with the discharge port 4.4. In this way, the measuring cup reciprocates under the joint action of the cylinder 4.2 and the metering and feeding slider 4.3, continuously takes materials from the feed bin 4.1 and puts them into the single-mode dual-channel former 5 through the discharge port 4.4 In the other cavity of the bag, it finally enters another cavity of the double bag through the corresponding feeding channel. Above-mentioned parts are installed on the fixed frame 4.5.

As shown in Figure 4, the hot-pressing roller type vertical sealing device includes two pairs of hot-pressing rollers, each pair of hot-pressing rollers includes an inner hot-pressing roller 6.1 and an outer hot-pressing roller 6.2; each pair of hot-pressing rollers is connected to a heating Transmission shaft 6.3, the inner cavity of the heating transmission shaft 6.3 is hollow, and a heating rod 6.4 is installed; the heating transmission shaft 6.3 is provided with a sprocket 6.5, and the sprocket 6.5 and the pulley 6.7 are connected through a transmission chain 6.6; The pulling pulley 6.7 is driven by a stepping motor. The splint type horizontal sealing device is composed of a pair of heating irons 7.1, the heating irons 7.1 are connected with a rocker arm 7.2, and the rocker arm 7.2 is connected with the transmission cam 7.3; the main motor shaft 7.4 drives the cam 7.3 to rotate , thereby driving the rocker arm 7.2 to open and close, and finally driving the heating iron 7.1 to open and close.

It should be noted that the volumetric metering and feeding device of the turntable and the pneumatic piston metering and feeding device are used for metering and feeding respectively, and an independent transmission mechanism is adopted, so that the packaging machine can carry out double bag packaging for two kinds of materials with different properties. And the feeding timing of the two metering and feeding devices can be independently adjusted through the PLC without affecting each other, ensuring that when materials with different specific gravity are fed and sealed at the same time, the small bag will not contain dust or break the bag, and the yield rate of high-speed packaging will be achieved at the same time. high.

It should be noted that, on the one hand, the role of the single-mode dual-channel former is that the strip-shaped composite film is initially folded into side-by-side joint bags after passing through the outer wall of the single-mode dual-channel former, so that it passes through the hot-pressing rollers in sequence. Type vertical sealing device and splint type horizontal sealing device become a double bag; on the other hand, the two cavities and corresponding feeding channels set up by the single-mode dual-channel forming device are two kinds of materials that are fed separately from the turntable volumetric feeding device. And the pneumatic piston metering and feeding device enters the channel of the double bag.

When packaging, the strip-shaped composite film is initially folded into side-by-side joint bags through a single-mode double-channel former; when the machine is running, the stepping motor drives the pulley to rotate, and the pulley pulls the sprocket through the chain, thereby driving heating. The transmission shaft rotates, and finally the two pairs of hot-pressing rollers including the inner hot-pressing roller and the outer hot-pressing roller rotate synchronously with the pulling pulley, so that the strip-shaped composite film folded above can pass through the two pairs of hot-pressing rollers smoothly, forming two heat-sealed rollers. With strong vertical edge sealing, the strip-shaped composite film is sealed into a pouch with two cavities. In the next step of horizontal sealing, the main motor drives the transmission cam on the main shaft to rotate, the transmission cam drives the rocker arm to open and close, and the rocker arm drives the heating iron to open and close, and then presses and closes the small bag with double vertical edge sealing in the previous step. Horizontal edge banding. In this way, a double bag product with double vertical edge sealing is produced.

It should be noted that the hot pressing roller type vertical sealing device and splint type horizontal sealing device adopt two independent sealing structures and two independent driving methods, combined with PLC coordinated control, can make the packaging machine run at 100 packs/min When running at high speed, the pull belt is smooth, and the double-pack bag produced has a smooth appearance, firm edge sealing, stable quality, and a defective rate of less than one in ten thousand.

Further, at the same time of bag making, the two kinds of materials are measured through the turntable volumetric metering and feeding device and the pneumatic piston metering and feeding device respectively, and the two kinds of materials that have been measured are put into the single outlet of the two metering and feeding devices respectively. In the two cavities of the double-channel molding machine, the material flows into the two independent cavities of the double-packed bag below through the two feeding channels under the action of gravity after entering the cavity, and is finally sealed in the double-packed bag, so that Can produce double bag products to meet different needs.

The two kinds of feeding devices adopt independent driving devices, combined with PLC coordinated control, can achieve the purpose of independently adjusting the feeding timing. When packaging and making bags, materials with different specific gravity will not cause dust inclusion and broken due to inappropriate feeding timing. Package and other quality issues.

For those skilled in the art, various corresponding changes and modifications can be made according to the above technical solutions and concepts, and all these changes and modifications should be included in the protection scope of the claims of the present utility model.

Claims (6)

1. A vertical double bag packaging machine, comprising a cabinet, and a metering and feeding device, a bag former, a heat sealing device and a cutting device arranged on the cabinet, characterized in that, the metering and feeding device includes a turntable The volumetric metering and feeding device and the pneumatic piston metering and feeding device both adopt independent transmission mechanisms; the bag former is a single-mode double-channel former, mainly composed of two cavities and two feeding channels, each The chamber corresponds to a feeding channel; the inlets of the two chambers are respectively connected with the outlet of the turntable volumetric metering feeding device and the outlet of the pneumatic piston metering feeding device; the outlets of the chambers are respectively connected with two The feeding channels are connected; the heat sealing device includes a hot-press roller type vertical sealing device and a splint type horizontal sealing device, both of which adopt independent driving mechanisms; the metering feeding device, heat sealing device and cutting device are all composed of PLC controller coordinated control. 2. A kind of vertical double bag packaging machine according to claim 1, characterized in that, the turntable volumetric metering and feeding device comprises a hopper, a turntable and a volumetric measuring cup arranged on the turntable, and the turntable is composed of The main motor is driven by the main shaft. 3. A kind of vertical double-link bag packaging machine according to claim 1, characterized in that, two turntable volumetric metering and feeding devices are provided, and a mixing feeding mechanism is provided between them in addition, the mixing The feeding mechanism includes a mixing turntable and a mixing hopper; the mixing turntable is driven by the main motor through the main shaft and controlled by a PLC controller; the mixing hopper is driven by the mixing turntable to obtain materials from the turntable volumetric metering and feeding device , and put it into a cavity of the single-mode dual-channel former. 4. A kind of vertical double bag packaging machine according to claim 1, characterized in that, said pneumatic piston type metering and feeding device is mainly composed of a feed bin, a cylinder, a metering feeding slider, a measuring cup and a discharge port, One end of the metering feeding slider is connected to the cylinder, and the other end is connected to the measuring cup; When the measuring cup is in communication with the material bin; when the cylinder drives the metering and feeding slider to move forward, the measuring cup is in communication with the discharge port. 5. A kind of vertical double bag packaging machine according to claim 1, characterized in that, said heat-pressing roller type vertical sealing device comprises two pairs of heat-pressing rollers, each pair of heat-pressing rollers is provided with a heating transmission shaft , the inner cavity of the heating transmission shaft is hollow, and a heating rod is installed; each pair of hot pressing rollers includes an inner hot pressing roller and an outer hot pressing roller; the heating transmission shaft is provided with a sprocket, and the sprocket is connected with a pull belt The wheels are connected through a transmission chain; the pulling pulley is driven through a stepping motor. 6. A vertical double bag packaging machine according to claim 1, characterized in that the splint type horizontal sealing device includes a pair of heating irons, the heating irons are connected with a rocker arm, and the rocker arm is connected with the transmission The cams are connected; the main motor drives the transmission cam to rotate through the main shaft, thereby driving the rocker arm to open and close, and finally driving the heating iron to open and close.