CN112623366A

CN112623366A - Bagging machine

Info

Publication number: CN112623366A
Application number: CN202011389728.XA
Authority: CN
Inventors: 何晓东; 杜红涛; 苏胡云; 陈粤; 郑昌起; 邓志均
Original assignee: Hefei Changlu Industrial Technology Co ltd
Current assignee: Hefei Changlu Industrial Technology Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-04-09

Abstract

The invention discloses a bagging machine, which comprises a bracket; the opening device is connected with the support in a sliding mode along the vertical direction and used for opening the container bag and sleeving the opened container bag to the container in a sliding mode along the vertical direction; and the bag pressing device is used for pressing the container bag sleeved on the container into the container. The bag pressing device can press the container bag into the container from the upper part of the container, namely the opening device firstly sleeves the container bag on the outer side of the container after opening the opening of the container bag, then reversely pushes the container bag into the container under the action of the bag pressing device, the bag pressing device is utilized to push the container bag into the container, the container bag can be fully expanded in the container, the edge of the container bag cannot be pulled into the container by the gravity of the material in the subsequent material injection process, the container sleeved by the bag sleeving machine can prevent the material of the container from leaking in the subsequent material loading process, and the production is convenient.

Description

Bagging machine

Technical Field

The invention relates to the technical field of packaging equipment, in particular to a bagging machine.

Background

The bagging machine is mainly used for bagging or packaging products such as containers, boxes and the like.

When an inner bag is sleeved on a container by a conventional bagging machine, the container bag is directly conveyed into a barrel, then the container bag is cut off, then the container bag is pulled open by a manipulator, the manipulator drives the container bag to move downwards integrally, and the opening part of the container bag is turned outwards and sleeved on the edge of the opening of the barrel; after the bagging machine is used for bagging, the part of the container bag falling into the barrel is still closed, and when materials are loaded into the container bag subsequently, the part, sleeved on the opening of the barrel, of the container bag is easily pulled into the barrel, so that the materials are leaked, and the production is inconvenient.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the bagging machine provided by the invention can prevent the materials from leaking inwards during subsequent material loading after bagging, and is convenient to produce.

A bagging machine according to an embodiment of the first aspect of the invention includes a support; the detection device is connected with the bracket and is used for detecting the container bag; the cutting device is connected with the support and is used for matching with the detection device to cut the container bag; the opening device is vertically and slidably connected to the bracket and is used for opening the container bag and vertically sliding the opened container bag to cover the container; the bag pressing device is arranged above the opening device and is used for pressing the container bag sleeved on the container into the container; the cutting device, the detection device, the opening device and the bag pressing device are sequentially arranged from top to bottom.

The bagging machine provided by the embodiment of the invention at least has the following beneficial effects: the bag pressing device can press the container bag into the container from the upper part of the container, namely the opening device firstly sleeves the container bag on the outer side of the container after opening the opening of the container bag, then the container bag is reversely pushed into the container under the action of the bag pressing device, the bag pressing device is utilized to push the container bag into the container, the container bag can be fully unfolded in the container, the edge of the container bag cannot be pulled into the container by the gravity of the material in the subsequent material injection process, the container sleeved by the bagging machine can prevent the material from leaking in the subsequent material loading process of the container, the production is convenient, the detection device and the cutting device can be matched with each other, and the integrity of the cut container bag is ensured.

According to some embodiments of the invention, the bag pressing device comprises a bag pressing power piece and a pressing block connected with the bag pressing power piece, the bag pressing power piece is used for driving the pressing block to press the container bag sleeved on the container into the container, and the connection form of the bag pressing power piece and the pressing block is simple and easy to install.

According to some embodiments of the invention, the detection device is provided as an industrial camera or a color sensor.

According to some embodiments of the invention, the opening device comprises a vacuum generator and suction nozzles, the suction nozzles are communicated with the vacuum generator, the suction nozzles are connected with the support in a sliding mode in the vertical direction, the suction nozzles are provided with at least four suction nozzles, at least two suction nozzles are used for sucking one side of the container bag, the other suction nozzles are used for sucking the other side of the container bag, the suction nozzles and the vacuum generator are conveniently connected, the suction nozzles and the vacuum generator are used in a matched mode, the container bag is opened by utilizing the atmospheric pressure difference, no damage is caused to the container bag, and the container bag is easily sucked and released.

According to some embodiments of the invention, the bag opening device further comprises a feeding device, the feeding device is used for conveying the container bags to the opening device, and the feeding device is arranged to facilitate continuous bag sleeving and improve production efficiency.

According to some embodiments of the invention, the feeding device comprises a material rolling roller and a conveying roller, the material rolling roller and the conveying roller are both rotatably connected with the bracket, the material rolling roller and the conveying roller rotate around the axes of the material rolling roller and the conveying roller, the material rolling roller is used for storing the container bag, the conveying roller is used for driving the container bag to convey to the opening device, and the material rolling roller and the conveying roller are simple in structure and convenient to install; the coiling roller can be used for installing a coiling drum of the container bag, so that the bag is supplied in a centralized manner, and frequent replacement is avoided.

According to some embodiments of the invention, the cutting device comprises a cutting knife slidably connected to the bracket in the left-right direction, and the cutting knife is used for cutting off the container bag.

According to some embodiments of the invention, the bag expanding device is connected with the bracket in a vertical sliding manner, is arranged below the opening device, and is convenient to expand the opening of the container bag, so that the bag can be sleeved more conveniently.

According to some embodiments of the invention, the bag expanding device comprises at least four hook claws, the hook claws are rotatably connected with the support, the rotation axes of the hook claws are along the left-right direction, the hook claws can stretch along the rotation axes of the hook claws, the hook claws are used for hooking the edge of the container bag to open the bag mouth of the container bag, the hook claws have a simple structure, and the at least four hook claws can expand the bag mouth of the container bag.

According to some embodiments of the invention, the air blowing device further comprises an air blowing device, the air blowing device comprises an air nozzle and an air blower communicated with the air nozzle, the air nozzle is arranged below the opening device and is contracted from bottom to top, and a spiral flow guide structure is arranged on the inner wall of the air nozzle.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a perspective view of a bagging machine according to an embodiment of the invention;

fig. 2 is a schematic structural view of the bag applicator shown in fig. 1;

FIG. 3 is a schematic view of a press block to container press of the bag bagging machine shown in FIG. 1;

figure 4 is a cross-sectional view of the air nozzle of the bag applicator shown in figure 1.

A bracket 100;

opening device 200, vacuum generator 210, suction nozzle 220;

the bag pressing device 300, the bag pressing power piece 310 and the pressing block 320;

a winding roller 410, a conveying roller 420;

cutting knife 500, bag expanding device 600, hook claw 610;

the conveyance device 700, the container 800;

the air blowing device 900, an air nozzle 910, a spiral flow guide structure 911 and a blower 920.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

In the description of the invention, the description of the "container bag" and "container" is introduced only for the purpose of illustrating the structure of the bag-filling machine and the functions resulting from the structure, and the "container bag" and "container" do not belong to the structure of the bag-filling machine, nor do they limit the structure of the bag-filling machine.

Referring to fig. 1 to 4, a bagging machine comprises a support 100; a detecting device 110 connected to the bracket 100 for detecting the container bag; the cutting device is connected with the bracket 100 and is used for matching with the detection device 110 to cut the container bag; an opening device 200 slidably coupled to the bracket 100 in a vertical direction, the opening device 200 being used to open the container bag and slidably move the opened container bag in the vertical direction toward the container 800; a bag pressing device 300 which is arranged above the opening device 200 and is used for pressing the container bag sleeved on the container 800 into the container 800; the cutting device, the detecting device 110, the opening device 200 and the bag pressing device 300 are arranged in sequence from top to bottom. The bag pressing device 300 can press the container bag into the container 800 from the upper part of the container 800, namely the opening device 200 firstly sleeves the container bag on the outer side of the container 800 after opening the opening of the container bag, then the container bag is reversely pushed into the container 800 under the action of the bag pressing device 300, the container bag is pushed into the container 800 by the bag pressing device 300, the container bag can be fully unfolded in the container 800, the edge of the container bag cannot be pulled into the container 800 by the gravity of the material in the subsequent material injection process, and the container 800 sleeved by the bag sleeving machine can prevent the material of the container 800 from leaking inwards in the subsequent material loading process, so that the production is convenient. It should be noted that after the container 800 is sleeved with the strap, if the portion of the container bag extending into the container 800 is not opened, when loading the material, the material may expand the portion of the container bag extending into the container 800, which may cause the container bag originally sleeved on the rim of the opening of the container 800 to be pulled into the container 800, and the material may easily leak from the container bag into the container 800, so that the material directly contacts with the inner wall of the container 800, i.e., the material leaks inward. It should be noted that the container 800 may be a box, a barrel, etc., and the detection device 110 and the cutting device may be matched with each other to ensure the integrity of the cut container bag. It can be understood that the bag is provided with a detection strip for detection, and when the detection strip is detected by the detection device 110, the cutting device cuts the bag to ensure that each time the cutting device cuts the formed single piece of the bag is complete.

It can be understood that the bag pressing device 300, the opening device 200 and the bag expanding device 600 are sequentially arranged in the vertical direction, that is, the bag pressing device 300 is arranged above the opening device 200, and the opening device 200 is arranged above the bag expanding device 600. When the container bag is opened, the bag pressing device 300 is moved to avoid the container bag, and when the container bag is sleeved at the opening end of the container and the container bag is cut off by the cutting knife 500, the bag pressing device 300 is moved to the position above the container 800 to press the container bag into the container 800.

In some embodiments, the detection device 110 is provided as an industrial camera or color sensor. Industrial cameras and color sensors are commonly used for detection.

In some embodiments, the bag pressing device 300 comprises a bag pressing power member 310 and a pressing block 320 connected with the bag pressing power member 310, the bag pressing power member 310 is used for driving the pressing block 320 to press the container bag sleeved on the container 800 into the container 800, and the connection form of the bag pressing power member 310 and the pressing block 320 is simple and easy to install. It should be noted that the bag pressing power component 310 may be an air cylinder or a hydraulic cylinder, a linear motor, or an electric cylinder; it will be appreciated that an electric cylinder, i.e. a lead screw and nut mechanism driven by an electric motor, is one of the common linear drive devices.

In some embodiments, the bag pressing power member 310 is slidably connected to the bracket 100 in the left-right direction, when the cutting blade 500 cuts off the bag, the bag pressing power member 310 slides to the upper side of the container 800 together with the pressing block 320, and then the bag pressing power member 310 drives the pressing block 320 to press the bag into the container 800.

Referring to fig. 2 and 3, the pressing block 320 is a hemispherical block, the arc surface of the hemispherical block faces downward, and the pressing block 320 is a hemispherical block, so that the pressing block 320 can be prevented from damaging the container bag. It is understood that the shape of the pressing block 320 may be set according to the shape of the inner cavity of the container 800, that is, when the shape of the inner cavity of the container 800 is a circle, the pressing block 320 may be set as a hemispherical block or a cylindrical block; when the shape of the inner cavity of the container 800 is a square, the pressing block 320 may be configured to have a corresponding square shape.

In some embodiments, the opening device 200 includes a vacuum generator 210 and a suction nozzle 220, the suction nozzle 220 is communicated with the vacuum generator 210, the suction nozzle 220 is slidably connected to the support 100 along a vertical direction, the suction nozzle 220 is provided with at least four suction nozzles, at least two suction nozzles 220 are used for sucking one side of the container bag, the rest suction nozzles 220 are used for sucking the other side of the container bag, the suction nozzle 220 and the vacuum generator 210 are conveniently connected, and the suction nozzle 220 and the vacuum generator 210 are used in cooperation, the container bag is opened by using the atmospheric pressure difference, no damage is caused to the container bag, and the processes of sucking and releasing the container bag are easily controlled. It can be understood that the vacuum generator 210 is further electrically connected with a controller, the controller can control the start and stop of the vacuum generator 210, the bracket 100 is further connected with a detector, the detector is electrically connected with the controller, when the detector detects a container bag, the controller controls the vacuum generator 210 to start, the suction nozzle 220 sucks the container bag at the moment, the container bag is opened, after the container bag is opened, the bag pressing power part 310 moves to the upper side of the container bag, the bag pressing power part 310 drives the pressing block 320 to press the container bag into the container 800, it can be understood that the bag pressing power part 310 is connected to the bracket 100 through a screw rod, the bag pressing power part 310 is electrically connected with the controller, after the controller is started for a certain time, the bag pressing power part 310 starts to operate, and thus the automation of opening and bag pressing can be realized.

In some embodiments, the opening device 200 may also include at least four adhesive blocks, at least two adhesive blocks are used for adhering one side of the container bag, the other adhesive blocks are used for adhering the other side of the container bag, the adhesive block is connected to a second cylinder, the second cylinder drives the adhesive block to be close to or away from the container bag, the adhesive block is close to the container bag to adhere the container bag, the adhesive block is further away from the container bag to open the bag opening, and when the adhesive block is continuously away from the container bag, the adhesive block can be separated from the container bag. The adhesive block can be coated with adhesive.

In some embodiments, the device further comprises a feeding device, the feeding device is used for conveying the container bags to the opening device 200, and the feeding device is arranged to facilitate continuous bag sleeving and improve production efficiency.

In some embodiments, the feeding device includes a material rolling roller 410 and a conveying roller 420, the material rolling roller 410 and the conveying roller 420 are both rotatably connected with the bracket 100, the material rolling roller 410 and the conveying roller 420 are both rotated around their axes, the material rolling roller 410 is used for storing the container bag, the conveying roller 420 is used for driving the container bag to convey to the opening device 200, and the material rolling roller 410 and the conveying roller 420 have simple structures and are convenient to install; the take-up roll 410 may be fitted with a roll of container bags, providing concentrated bags, avoiding frequent replacement.

In some embodiments, the loading device may also be a robot.

In some embodiments, a cutting blade 500 is disposed between the conveying roller 420 and the opening device 200, and the cutting blade 500 is used for cutting off the container bag, preventing the container bag from being conveyed too much to cause waste, and preventing the container bag from falling out of the container 800 too much to cause difficulty in transportation.

In some embodiments, a hot platen is disposed between the conveying roller 420 and the cutting blade 500, and the container bag passes through the hot platen, which hot-seals the container bag.

It can be understood that the hot pressing cylinder body of the hot pressing plate is electrically connected with the cutting cylinder body of the cutting knife 500, after the operation of the hot pressing plate is finished, the cutting knife 500 starts to act, a sequential relation exists, the conveying roller 420 is connected with the conveying motor, the hot pressing cylinder body is electrically connected with the conveying motor, when the conveying roller 420 conveys a container bag forwards, the hot pressing plate carries out hot pressing sealing, the cutting knife 500 carries out cutting again, and the three steps of feeding, sealing and cutting are linked, so that automatic bag sleeving pretreatment is realized.

In some embodiments, the bag expanding device 600 is further included, the bag expanding device 600 is slidably connected with the bracket 100 along the vertical direction, the bag expanding device 600 is arranged below the opening device 200, and the bag expanding device 600 is arranged to facilitate expansion of the mouth of the container bag and facilitate bag sleeving.

In some embodiments, the bag expanding device 600 includes at least four hooks 610, the hooks 610 are rotatably connected to the bracket 100, the rotation axis of the hooks 610 is along the left-right direction, the hooks 610 can extend and retract along the rotation axis of the hooks 610, the hooks 610 are used for hooking the edge of the container bag to pull open the mouth of the container bag, the hooks 610 have a simple structure, and the at least four hooks 610 can open the mouth of the container bag. It can be understood that the hook claw 610 is connected with a rotary telescopic cylinder 620, the main shaft of the rotary telescopic cylinder 620 can rotate and can also stretch out and draw back, and the rotary telescopic cylinder 620 can drive the hook claw 610 to rotate and stretch out and draw back. It will be appreciated that after the opening device 200 opens the mouth of the bag, the hooks 610 are rotated to a certain angle and extend into the mouth of the bag, and the hooks 610 are retracted again to pull the mouth of the container bag open. It will be appreciated that the catch 610 is mounted vertically clear of the opening device 200 in order to avoid mechanical interference.

In some embodiments, the container opening device further comprises a conveying device 700, the conveying device 700 is used for conveying the container 800 to the position below the opening device 200, and the container 800 can be continuously fed by arranging the conveying device 700, so that the trouble of manually conveying the container 800 is avoided, and the production efficiency is improved. It should be noted that the conveying device 700 may be a conveying belt, a flap chain, or a conveying roller. It should be noted that a control portion of an electrical and detection sensor is further provided, it is understood that a sensor is provided on the bracket 100, when the container 800 enters below the opening device 200, the sensor detects the container 800, at this time, the sensor sends a detection signal to the controller and the conveying motor, the conveying motor drives the conveying roller 420 to convey a container bag, when the detector detects the container bag, the controller controls the vacuum generator 210 to start, at this time, the suction nozzle 220 sucks the container bag to open the container bag, at this time, the hot-pressing plate performs hot-pressing sealing again, the cutting knife 500 performs cutting again, after the container bag is opened, the bag pressing power member 310 moves to above the container bag, the bag pressing power member 310 drives the pressing block 320 to squeeze the container bag into the container 800, after the treatment, the conveying device 700 conveys the container 800 away, and so on. It is understood that the sensors, the conveyor motor, the hot press cylinder, the cutting cylinder, the vacuum generator 210, and the bag press power unit 310 are all electrically connected controllers that control the start and stop sequence thereof.

In some embodiments, the air blowing device 900 is further included, the air blowing device includes an air nozzle 910 and a blower 920 communicated with the air nozzle 910, the air nozzle 910 is disposed below the opening device 200, the air nozzle 910 is tapered from bottom to top, and the inner wall of the air nozzle 910 is provided with a spiral flow guiding structure 911.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A bagging machine for a container, comprising:

a support;

the detection device is connected with the bracket and is used for detecting the container bag;

the cutting device is connected with the support and is used for matching with the detection device to cut the container bag;

the opening device is vertically and slidably connected to the bracket and is used for opening the container bag and vertically sliding the opened container bag to cover the container;

the bag pressing device is arranged above the opening device and is used for pressing the container bag sleeved on the container into the container;

the cutting device, the detection device, the opening device and the bag pressing device are sequentially arranged from top to bottom.

2. The bagging machine of claim 1, wherein: the bag pressing device comprises a bag pressing power part and a pressing block connected with the bag pressing power part, and the bag pressing power part is used for driving the pressing block to press the container bag sleeved on the container into the container.

3. The bagging machine of claim 2, wherein: the detection device is set to be an industrial camera or a color sensor.

4. The bagging machine of claim 1, wherein: the opening device comprises a vacuum generator and suction nozzles, the suction nozzles are communicated with the vacuum generator and are connected with the support in a sliding mode along the vertical direction, at least four suction nozzles are arranged, at least two suction nozzles are used for sucking one side of the container bag, and the rest suction nozzles are used for sucking the other side of the container bag.

5. The bagging machine of claim 1, wherein: the container bag opening device is characterized by further comprising a feeding device, wherein the feeding device is used for conveying the container bag to the opening device.

6. The bagging machine of claim 5, wherein: the feeding device comprises a coiling roller and a conveying roller, the coiling roller and the conveying roller are rotatably connected with the support, the coiling roller and the conveying roller rotate around the axis of the coiling roller, the coiling roller is used for storing the container bag, and the conveying roller is used for driving the container bag to convey to the opening device.

7. The bagging machine of claim 5, wherein: the cutting device comprises a cutting knife which is connected with the support in a sliding mode in the left-right direction, and the cutting knife is used for cutting off the container bag.

8. The bagging machine of claim 1, wherein: still include and expand the bagging apparatus, expand the bagging apparatus along vertical sliding connection the support, expand the bagging apparatus setting in the below of opening device.

9. The bagging machine of claim 8, wherein: the bag expanding device comprises at least four hook claws, the hook claws are rotationally connected with the support, the rotating axis of the hook claws extends along the left-right direction, the hook claws can extend along the rotating axis of the hook claws, and the hook claws are used for hooking the edge of the container bag to pull the bag mouth of the container bag open.

10. The bag machine according to any one of claims 1 to 9, wherein: the air blowing device comprises an air faucet and an air blower communicated with the air faucet, the air faucet is arranged below the opening device, the air faucet is contracted from bottom to top, and a spiral flow guide structure is arranged on the inner wall of the air faucet.