CN112678246B

CN112678246B - Packaging machine

Info

Publication number: CN112678246B
Application number: CN202011486251.7A
Authority: CN
Inventors: 戴真全; 虞兰剑; 宜文; 汤晓峰; 司玉华
Original assignee: Changzhou Blest Lithium Power Wisdom Factory Co ltd
Current assignee: Changzhou Blest Lithium Power Wisdom Factory Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2022-08-12
Anticipated expiration: 2040-12-16
Also published as: CN112678246A

Abstract

The invention belongs to the technical field of packaging equipment, and particularly relates to a packaging machine. This packagine machine includes: the bagging device is used for filling materials into the packaging bag; the vacuum packaging device is used for sealing the packaging bag; and the bag conveying device is used for conveying the packaging bags in the bagging device into the vacuum packaging device. The invention has the beneficial effects that the bagging device of the packaging machine can be used for loading materials into the packaging bag, conveying the materials into the vacuum packaging device through the bag conveying device for vacuum sealing packaging, and automatically vacuum sealing packaging the materials.

Description

Packaging machine

Technical Field

The invention belongs to the technical field of packaging equipment, and particularly relates to a packaging machine.

Background

With the rapid development of society, electronic equipment is more and more popular at present, and the application range of lithium batteries is also more and more extensive. Lithium battery raw materials are generally powdery, and vacuum packaging is generally required in order not to affect the performance of the lithium battery raw materials. But the powdery materials can generate dust to pollute the environment in the bagging process; after bagging, the bag needs to be transported to a bag sealing station for sealing, and materials in the bag can fly if the bag is vibrated in the transportation process; in addition, in the process of vacuum sealing and packaging due to the powder state of the material, if the conventional method of vacuumizing the bag is adopted for vacuum sealing, the lithium battery powder can be extracted. Therefore, the traditional packaging technology cannot meet the packaging requirements of lithium battery powder, and a novel packaging machine is needed.

Disclosure of Invention

The invention aims to provide a packaging machine.

In order to solve the above technical problem, the present invention provides a packing machine comprising: the bagging device is used for filling materials into the packaging bag; the vacuum packaging device is used for sealing the packaging bag; and the bag conveying device is used for conveying the packaging bags in the bagging device into the vacuum packaging device.

Furthermore, the vacuum packaging device comprises a vacuum bin, and a bearing mechanism, a bag supporting mechanism and a bag sealing mechanism which are positioned in the vacuum bin; the bag opening mechanism is used for opening the bag opening of the packaging bag positioned on the bearing mechanism; and after the vacuum bin is vacuumized, the bag sealing mechanism is used for sealing the opening of the packaging bag.

Further, the vacuum chamber comprises: the vacuum cover driving assembly is arranged on the vacuum pressing plate; wherein the vacuum cover covers the side surface of the vacuum pressure plate; the vacuum cover driving assembly drives the vacuum cover to move towards the vacuum pressing plate so as to seal the vacuum cover on the side surface of the vacuum pressing plate, and a cavity suitable for accommodating the bearing mechanism is formed; and a negative pressure pipe communicated with an external negative pressure source is arranged on the vacuum pressing plate.

Further, the vacuum hood drive assembly comprises a vacuum hood guide rail and a vacuum hood driver; the vacuum cup driver is adapted to drive the vacuum cup along the vacuum cup rail toward the vacuum platen.

Further, the bag supporting mechanism comprises a pair of L-shaped supporting rods, a connecting rod assembly and a supporting rod driver; the support rod comprises a rotating part connected with the connecting rod component and a bag supporting part vertical to the rotating part; the rotating parts of the two support rods are parallel to each other, and the bag supporting parts are oppositely arranged and are positioned on the same straight line; when send a bag device to transport the wrapping bag to on the bearing mechanism back, the vaulting pole driver passes through link assembly drive two the rotating part of vaulting pole is rotatory, drives and props the bag portion and outwards rotate in order to prop the sack and straighten.

Further, the bag sealing mechanism comprises two heat sealing strips which are oppositely arranged and a hot air strip driver; the hot air strip driver is suitable for driving the two heat sealing strips to be closed so as to carry out heat sealing on the bag opening between the two heat sealing strips.

Further, the bagging apparatus comprises: the bag opening mechanism is used for opening and clamping the bag opening of the packaging bag; the feeding mechanism is used for feeding materials into the packaging bag which is opened to the bag opening; the weighing module is used for acquiring the weight of the packaging bag in the charging process; and the control module is electrically connected with the weighing module and the feeding mechanism, receives the weight data of the packaging bag, and controls the feeding mechanism to stop feeding when the weight of the packaging bag reaches a set value.

Furthermore, the bag opening mechanism comprises two movable side plates which are oppositely arranged; the two fixed baffle plates are respectively positioned at the outer sides of the lower edges of the corresponding movable side plates; and the bag clamping driver drives the corresponding movable side plate sleeved on the bag opening of the packaging bag to move towards the direction of the fixed baffle plate, so that the movable side plate and the fixed baffle plate clamp the side edge of the bag opening.

Further, the bag feeding device comprises: the bag clamping mechanism is used for clamping the packaging bag; and the rotary conveying mechanism is used for driving the bag clamping mechanism to rotate, so that the packaging bags clamped by the bag clamping mechanism are horizontally conveyed to the packaging station after facing the packaging station.

In another aspect, the present invention provides a method of operating a packaging machine, including: filling the packaging bag with materials; transferring the filled packaging bags to a vacuum packaging station; and carrying out vacuum sealing packaging on the packaging bag.

The invention has the beneficial effects that the bagging device of the packaging machine can be used for loading materials into the packaging bag, conveying the materials into the vacuum packaging device through the bag conveying device for vacuum sealing packaging, and automatically vacuum sealing packaging the materials.

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

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a perspective view of the packaging machine of the present invention;

fig. 2 is a schematic view of a vacuum packing device of the packing machine of the present invention;

fig. 3 is a schematic view of a vacuum magazine of the vacuum packing device of the packing machine of the present invention;

fig. 4 is a schematic view of the stay of the bag opening mechanism of the vacuum packing device of the packing machine of the present invention;

fig. 5 is a schematic view of a link assembly of a bag supporting mechanism of the vacuum packing device of the packing machine of the present invention;

fig. 6 is a schematic view of a bag closing mechanism of the vacuum packing device of the packing machine of the present invention;

fig. 7 is a schematic view of the bagging apparatus of the packaging machine of the present invention;

FIG. 8 is a schematic view of the feed mechanism of the bagging apparatus of the packaging machine of the present invention;

fig. 9 is a schematic view of the bag opening mechanism of the bagging apparatus of the packaging machine of the present invention;

FIG. 10 is an enlarged schematic view at A in FIG. 9;

fig. 11 is a schematic view of a side clamp unit of the bag opening mechanism of the bagging apparatus of the packaging machine of the present invention;

fig. 12 is a schematic view of the bag holding mechanism of the bagging apparatus of the packaging machine of the present invention;

fig. 13 is a perspective view of a bag feeding device of the packing machine of the present invention;

fig. 14 is a schematic view of a bag gripping mechanism of a bag feeding device of the packaging machine of the present invention;

fig. 15 is a schematic view of the rotary conveying mechanism of the bag feeding device of the packaging machine of the present invention;

fig. 16 is a schematic view of the bag stretching mechanism of the vacuum packing device of the packing machine of the present invention before the stretching rods thereof are opened;

fig. 17 is a schematic view of the packing machine of the present invention after the stay of the bag stretching mechanism of the vacuum packing device is opened.

In the figure:

the bagging device 100, the bag opening mechanism 110, the movable side plate 111, the bag clamping driver 1111, the fixed end 11111, the movable end 11112, the hoop member 11113, the fixed baffle 112, the fixed side plate 113, the notch 1131, the stop 1132, the top plate 114, the dust suction pipe 1141, the bracket 1142, the feed port 1143, the side clamping unit 115, the side clamping plate 1151, the side clamping plate driving assembly 1152, the side clamping plate driver 11521, the rotating rod 11522, the driving connecting rod 11523, the side clamping plate connecting rod 11524, the mounting frame 116, the cross rod set 1161, the vertical rod set 1162, the mounting plate 11621, the detection module 117, the feeding mechanism 120, the rotating valve 121, the vibration feeder 122, the bag holding mechanism 130, the supporting plate 131, the jacking unit 132, the jacking rod 1321, the transmission assembly 1333, the screw rod 13221, and the screw rod nut 13222;

the vacuum packaging device 200, the vacuum bin 210, the vacuum pressing plate 211, the vacuum cover 212, the vacuum cover driving assembly 213, the vacuum cover guide rail 2131, the vacuum cover driver 2132, the negative pressure tube 214, the bearing mechanism 220, the bag supporting mechanism 230, the support rod 231, the rotating part 2311, the bag supporting part 2312, the connecting rod assembly 232, the support rod driver 233, the bag sealing mechanism 240, the heat sealing strip 241 and the heat sealing strip driver 242;

the bag conveying device 300, a bag clamping mechanism 310, a bag body clamping plate 311, a clamping plate support 312, a bag body clamping plate driver 313, a bag opening clamping assembly 314, a vertical frame 3141, a bag opening clamping plate driver 3142, a bag opening clamping plate 3143, a negative pressure opening 3144, a rotary conveying mechanism 320, a translation trolley 321, a trolley driving assembly 322, a driving belt 3221, a driving belt driver 3222, a rotary driver 323, a rail 324, a clamping position 331, a rotary position 332 and a bag unloading position 333.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example 1

As shown in fig. 1, the present embodiment 1 provides a packaging machine including: a bagging device 100 for filling the material into the packaging bag; a vacuum packing device 200 for sealing the packing bag; and a bag feeding device 300 for conveying the packaging bag in the bagging device into the vacuum packaging device.

In this embodiment, the bagging device 100 of the packaging machine can fill the material into the packaging bag, and the material is conveyed into the vacuum packaging device through the bag conveying device 300 for vacuum sealing packaging, so that the material can be automatically vacuum sealed packaged.

As shown in fig. 2, in the present embodiment, as an alternative implementation, the vacuum packaging apparatus 200 includes a vacuum chamber 210, and a carrying mechanism 220, a bag supporting mechanism 230 and a bag sealing mechanism 240 located in the vacuum chamber 210; the bag opening mechanism 230 is used for opening the bag opening of the packaging bag on the bearing mechanism 220; after the vacuum chamber 210 is vacuumized, the bag sealing mechanism 240 is used to seal the mouth of the packaging bag.

In this embodiment, after the bag feeding device 300 conveys the packaging bags onto the carrying mechanism 220, the bag opening mechanism 230 straightens the bag openings of the packaging bags, the vacuum chamber 210 performs vacuum pumping, and then the bag sealing mechanism 240 seals the bag openings, so that vacuum sealing packaging can be realized.

In this embodiment, the carrying mechanism 220 may alternatively be a conveyor belt, and when the sealed package is completed, the package bag is output through the conveyor belt.

As shown in fig. 2 and 3, in this embodiment, as an optional embodiment, the vacuum chamber 210 includes: a vacuum platen 211, a vacuum cup 212, and a vacuum cup drive assembly 213; wherein the vacuum cover 212 covers the side of the vacuum platen 211; the vacuum cover driving assembly 213 drives the vacuum cover 212 to move towards the vacuum platen 211, so as to cover and seal the vacuum cover 212 on the side of the vacuum platen 211, so as to form a chamber suitable for accommodating the carrying mechanism 220; and a negative pressure pipe 214 communicated with an external negative pressure source is arranged on the vacuum pressing plate 211.

In an embodiment, after the bag feeding device 300 transports the packaging bag onto the carrying mechanism 220, the vacuum cover driving assembly 213 drives the vacuum cover 212 to move toward the vacuum pressing plate 211, so as to cover the vacuum cover 212 on the side surface of the vacuum pressing plate 211 to form a chamber, the negative pressure tube 214 may be installed on the vacuum pressing plate 211, and the chamber is vacuumized, so that a vacuum environment is formed inside and outside the packaging bag, and a subsequent sealing process is performed in vacuum, thereby realizing vacuum packaging.

In an embodiment, optionally, the vacuum cap drive assembly 213 comprises vacuum cap rails 2131, vacuum cap drivers 2132; the vacuum cup driver 2132 is adapted to drive the vacuum cup 212 along the vacuum cup rails 2131 toward the vacuum platen 211.

As shown in fig. 4 and 5, in this embodiment, as an alternative embodiment, the bag opening mechanism 230 includes a pair of L-shaped stays 231, a link assembly 232, and a stay driver 233; the stay 231 includes a rotation portion 2311 connected to the link assembly 232, and a pocket portion 2312 perpendicular to the rotation portion 2311; the rotating parts 2311 of the two supporting rods 231 are parallel to each other, and the bag supporting parts 2312 are oppositely arranged and are positioned on the same straight line; after the bag feeding device 300 conveys the packaging bag to the carrying mechanism 220, the stay bar driver 233 drives the rotation portions 2311 of the two stay bars 231 to rotate through the connecting rod assemblies 232, and drives the bag supporting portions 2312 to rotate outwards to straighten the bag opening.

As shown in fig. 16 and 17, after the bag feeding device 300 conveys the packaging bags onto the carrying mechanism 220, the supporting rod 231 is located above the mouths of the packaging bags, and the bag supporting portions 2312 are oppositely arranged and located on the same straight line, so that the packaging bags are not influenced to enter the carrying mechanism 220; the stay driver 233 drives the rotation portions 2311 of the two stays 231 to rotate through the link assembly 232, and drives the bag opening portions 2312 to rotate outwards to straighten the bag opening, as shown in the state of fig. 17, so as to facilitate subsequent heat sealing.

In this embodiment, the rotation portion 2311 of the stay 231 may pass through the vacuum platen 211, the pocket portion 2312 may be located in the chamber, and the stay driver 233 and the link assembly 232 may be mounted on the outer side surface of the vacuum platen 211.

As shown in fig. 6, in this embodiment, as an alternative embodiment, the bag sealing mechanism 240 includes two heat seal bars 241 arranged oppositely, and a heat seal bar driver 242; heat seal bar driver 242 is adapted to drive two heat seal bars 241 together to heat seal a pouch opening located between the two heat seal bars 241.

In this embodiment, heat seal bar driver 242 may optionally be mounted on the outside of vacuum platen 211 with an output rod extending through vacuum platen 211 into the chamber for driving movable heat seal bar 241; another heat seal bar 241 may be affixed to the inside of the vacuum enclosure 212.

As shown in fig. 7, in the present embodiment, as an alternative embodiment, the bagging apparatus 100 includes: the bag opening mechanism 110 is used for opening and clamping the bag opening of the packaging bag; the feeding mechanism 120 is used for feeding materials into the packaging bag with the bag opening opened; the weighing module is used for acquiring the weight of the packaging bag in the charging process; and the control module is electrically connected with the weighing module and the feeding mechanism 120, receives the weight data of the packaging bag, and controls the feeding mechanism 120 to stop feeding when the weight of the packaging bag reaches a set value.

In this embodiment, the bag opening mechanism 110 can open and clamp the mouth of the packaging bag, instead of manual operation; the feeding mechanism 120 can feed materials into the packaging bag with the bag opening opened; and the weighing module can acquire the weight of the packaging bag in the charging process and transmit the weight to the control module, and when the weight of the packaging bag reaches a set value, the control module is suitable for controlling the feeding mechanism 120 to stop charging so as to realize automatic charging.

Further, as shown in fig. 8, as an alternative embodiment of this embodiment, the feeding mechanism 120 includes a rotary valve 121, a vibration feeder 122 connected to the outlet of the rotary valve 121; wherein the control module is electrically connected to the vibratory feeder 122; the rotary valve 121 is used for feeding the vibratory feeder 122; the control module controls the vibratory feeder 122 to feed the packages held by the opening mechanism 110.

In this embodiment, the outlet of the rotary valve 121 and the inlet of the vibration feeder 122 may be connected by a flexible pipe, so as to avoid the vibration of the vibration feeder 122 from affecting the rotary valve 121.

As shown in fig. 9 and 10, as an alternative embodiment of this embodiment, the bag opening mechanism 110 includes two movable side plates 111 disposed opposite to each other; two fixed baffles 112 respectively positioned at the outer sides of the lower edges of the corresponding movable side plates 111; and the bag clamping driver 1111 drives the corresponding movable side plate 111 of the bag opening of the sleeved packaging bag to move towards the fixed baffle 112, so that the movable side plate 111 and the fixed baffle 112 clamp the side edge of the bag opening.

In this embodiment, the movable side plate 111 can move towards the corresponding fixed baffle 112 under the driving of the corresponding bag clamping driver 1111 to gradually open the bag mouth until the movable side plate 111 and the fixed baffle 112 clamp the side edge of the bag mouth, so as to clamp the packaging bag, and can replace manual bag clamping to facilitate the bagging of subsequent materials; the manual participation degree is reduced, and the production efficiency is improved.

In this embodiment, optionally, the bag opening mechanism 110 further includes two fixed side plates 113 disposed opposite to each other; the two fixed side plates 113 and the two opened movable side plates 111 are suitable for forming a charging channel; the charging channel is communicated with a discharging opening of the feeding mechanism.

In this embodiment, optionally, the upper portion of the movable side plate 111 is rotatably connected to the fixed side plate 113; the inner sides of the lower edges of the two movable side plates 111 are butted to form an inverted triangle for sleeving a packaging bag; the bag clamping driver 1111 is suitable for driving the lower portion of the corresponding movable side plate 111 of the bag opening of the sleeved packaging bag to move towards the fixed baffle 112, so that the movable side plate 111 and the fixed baffle 112 clamp the side edge of the bag opening.

In this embodiment, optionally, two sides of the upper portion of the movable side plate 111 may be respectively provided with a rotating shaft towards the fixed side plate 113, and the rotating shafts may be rotatably connected with the corresponding fixed side plates 113 through bearings; the lower part of the movable side plate 111 can rotate around a rotating shaft; before the packaging bag is sleeved, the inner side edges of the lower edges of the two movable side plates 111 are abutted to form an inverted triangle, so that the packaging bag can be conveniently sleeved.

In this embodiment, in order to reduce the dust emission generated during the bagging process, as a preferred embodiment, the bag opening mechanism further comprises a top plate 114 at the upper end of the loading channel; a feed port 1143 is formed in the top plate 114, and the feed port 1143 can be communicated with a feed port of the feeding mechanism 120 by a flexible pipeline; the top panel 114, the two fixed side panels 113, the two opened movable side panels 111 and the nested packaging bag are adapted to form a filling cavity.

In this embodiment, optionally, the upper edge of the fixed side plate 113 may be fixedly connected to the top plate 114; through roof 114, two fixed curb plates 113, two movable side plate 111 after opening and the wrapping bag of suit form the cavity of feeding, the material is packed into the wrapping bag through the cavity of feeding through feed inlet 1143, can realize the relative airtight of in-process of feeding, reduces the dust that the bagging-off in-process produced and gives off.

In this embodiment, there is still a fit gap between the top plate 114, the two fixed side plates 113, and the two movable side plates 111, and in order to further reduce the escape of dust from the charging cavity, it is preferable that the bag opening mechanism further includes a dust suction pipe 1141 communicated with the charging cavity; the dust suction pipe 1141 is used to extract dust generated during the charging process.

In this embodiment, one end of the dust suction pipe 1141 may pass through the top plate 114 or the fixed side plate 113 or the movable side plate 111 to communicate with the interior of the charging cavity, and the other end may be externally connected to a negative pressure air source to extract dust generated during the charging process.

In this embodiment, in order to facilitate the installation of the bag holder driver 1111, optionally, a corresponding bag holder driver 1111 installation bracket 1142 is hung below the top plate 114 on the outer side of the movable side plate 111; the fixed end 11111 of the bag clamping driver 1111 is fixed on the corresponding bracket 1142, and the movable end 11112 is hinged with the outer side surface of the corresponding movable side plate 111; the fixed baffle 112 may also be fixedly connected to the portion of the bracket 1142 extending between the two fixed side plates 113.

In this embodiment, optionally, the bag-clamping driver 1111 is fixed with a hoop 11113; the anchor ear piece 11113 is anchored on the bracket 1142; the fixed baffle 112 is fixedly connected with the part of the bracket 1142 extending between the two fixed side plates 113; the bag clamping driver 1111 is installed on the bracket 1142 through the hoop member 11113, so that the installation angle of the bag clamping driver 1111 can be adjusted conveniently during installation.

In this embodiment, in order to promote the automatic clamping, optionally, the bag opening mechanism further includes a detection module 117 electrically connected to the control module; the bag clamping driver 1111 is electrically connected with the control module; the detection module 117 is adapted to detect a bagging signal for transmission to the control module; after receiving the bag sleeving signal, the control module controls the bag clamping driver 1111 to drive the corresponding movable side plate 111 at the bag opening of the sleeved packaging bag to move towards the fixed baffle 112, so that the movable side plate 111 and the fixed baffle 112 clamp the side edge of the bag opening.

As shown in fig. 9, in this embodiment, the detection module 117 may be a photoelectric detection module, and may be disposed outside the fixed side plate 113, and the emitting end and the receiving end thereof may be respectively located at two sides of the notch 1131 and respectively mounted on the corresponding bracket 1142 to detect the bagging action; the photoelectric detection module can be but is not limited to a Miura E3Z-LR series photoelectric sensor; the control module may be a PLC; the pouch actuator 1111 may be, but is not limited to, an air cylinder; in addition, the embodiment does not modify the program, and those skilled in the art can implement the modification by the prior art.

In this embodiment, in order to facilitate the side edge of the bag opening of the packaging bag to be sleeved outside the corresponding movable side plate 111, the lower end of the fixed side plate 115 is provided with an M-shaped notch 1131 for bagging; the wedge-shaped stopper 1132 located in the middle of the gap 1131 is suitable for dividing the gap 1131 into symmetrical sleeving positions; the inverted triangle formed when the two movable side plates 111 are closed does not exceed the edge of the stopper 1132; the opposite sides of the bag mouth of the packaging bag extend into the corresponding sleeving positions respectively and are sleeved outside the closed movable side plate 111.

In this embodiment, when the bag is sleeved, the opposite side edges of the bag opening can be respectively inserted into the corresponding sleeving positions on the two sides of the stopper 1132; the inverted triangle formed when the two movable side plates 111 are closed does not exceed the side edge of the stop 1132, so that the bag is sleeved only by attaching the inner side of the bag opening to the side edge of the stop 132.

In some application scenes, if the type of the packaging bag is larger, two opposite side edges of the packaging bag are respectively clamped between the corresponding movable side plate 111 and the fixed baffle plate 112, namely after the bag opening is opened, if the lengths of the other two side edges of the packaging bag are longer, the packaging bag can be bent towards the interior of the channel, and partial materials can fall to the outer side of the packaging bag during charging; and the dog 1132 can be with the side limit fender in the passageway outside, above-mentioned condition can not appear, and the dog 1132 can play the bag effect of propping promptly.

In this embodiment, in order to prevent the dust from escaping from the loading cavity, the outer side of the fixed side plate 113 may be further provided with a corresponding side clamp unit 115; the side clamping unit 115 is adapted to seal the gap 1131 after the movable side plate 111 and the fixed baffle 112 clamp the side edge of the bag opening.

Alternatively, as shown in fig. 11, the side clamp unit 115 may include a side clamp plate 1151 and a side clamp plate driving assembly 1152; the side clamping plate driving assembly 1152 is suitable for driving the side clamping plate 1151 to move towards the fixed side plate 113 after the movable side plate 111 and the fixed baffle 112 clamp the side edge of the bag opening so as to seal the gap 1131.

In this embodiment, the engagement between the side clamping plate 1151 and the fixed side plate 113 can block the gap 1131, so as to prevent dust generated during bagging from escaping from the loading cavity; side splint 1151 can also promote centre gripping stability with the side of dog 1132 centre gripping sack.

Specifically, the side clamp drive assembly 1152 includes a side clamp driver 11521, a turn bar 11522, a drive link 11523, a side clamp link 11524; wherein one end of the driving link 11523 is hinged with the movable end of the side clamping plate driver 11521, and the other end is rigidly connected with the rotating rod 11522; one end of the side clamping plate connecting rod 11524 is fixedly connected with the side clamping plate 1151, and the other end of the side clamping plate connecting rod 11524 is rigidly connected with the rotating rod 11522; the side clamp drivers 11521 actuate the driving links 11523 to rotate the rotating rods 11522, so as to drive the corresponding side clamp 1151 to move towards the corresponding fixed side plate 113 through the side clamp link 11524, thereby blocking the gap 1131.

In this embodiment, the side clamp drivers 11521 may also be controlled by the control module, that is, after the control module receives the bagging signal, the control module controls the bag clamping driver 1111 to drive the corresponding movable side panel 111 at the mouth of the bagged packaging bag to move toward the fixed stop 112, so that after the movable side panel 111 and the fixed stop 112 clamp the side edge of the mouth of the packaging bag, the control module may control the side clamp driver 11521 to drive the driving link 11523 to operate.

As shown in fig. 9, in the present embodiment, the bag opening mechanism further includes a mounting frame 116; the mounting frame 116 includes a cross bar group 1161 and a vertical bar group 1162; the top plate 114 is fixedly connected with the cross bar group 1161; a mounting plate 11621 for mounting a side clamping plate driving assembly 1152 is arranged on the vertical rod group 1162; the fixed end of the side clamping plate driver 11521 is fixedly connected with the mounting plate 11621; and the rotating rod 11522 is in rotating connection with the mounting plate through a bearing.

As shown in fig. 12, in this embodiment, as an alternative embodiment, the bagging device further includes a bag holding mechanism 130; the bag supporting mechanism 130 comprises a supporting plate 131 and a jacking unit 132 electrically connected with the control module; the supporting plate 131 is used for supporting the packaging bag in the charging process; the control module is adapted to control the jacking unit 132 to drive the supporting plate 131 to move downwards according to the weight information of the packaging bag, so as to gradually expand the packaging bag for filling.

In this embodiment, the weighing module can weigh the pallet 131 to obtain the weight of the package material.

In the prior art, the distance between the supporting plate 131 and the discharging opening of the feeding mechanism 120 is not adjustable, and the material falls into the packaging bag from the feeding mechanism 120 and has a certain impact force, so that the reading of the weighing module is larger at the moment that the supporting plate receives the impact, which causes the control module to mistakenly think that the weight of the material in the packaging bag reaches the set value and controls the feeding mechanism 120 to stop feeding, and the error of the weight of the material in the packaging bag is too large and does not reach the standard. By adopting the bag supporting mechanism 130 of the embodiment, the situation can be avoided, so that the impact force of the falling process of the material is reduced, and the weighing precision is improved.

Specifically, before the material is filled, the jacking unit 132 drives the supporting plate 131 to lift and extrude the packaging bag, so that the distance from the supporting plate 131 to the feeding port of the feeding mechanism 120 is reduced; after the loading starts, the control module is suitable for controlling the jacking unit 132 to drive the supporting plate 131 to move downwards according to the weight information of the packaging bag so as to gradually expand the packaging bag for loading the materials, and meanwhile, the distance from the upper end face of the materials in the packaging bag to the discharging opening can be maintained at the initial distance, so that the error caused by the falling impact force of the materials is maintained within an allowable range, and the weighing precision is maintained.

In this embodiment, optionally, the jacking unit 132 includes a jacking rod 1321 fixedly connected to the supporting plate 131, a transmission component 1322, and a driving component 1333 electrically connected to the control module; the control module is adapted to control the driving assembly 1333 to drive the top rod 1321 to move through the transmission assembly 1322, so as to drive the supporting plate 131 to move downwards.

In this embodiment, the driving assembly 1333 may optionally include a servo motor, a belt, etc.; the transmission assembly 1322 comprises a lead screw 13221, a lead screw nut 13222 matched with the lead screw 13221; the ejector pin 1321 is fixedly connected with the feed screw nut 13222; the control module controls the servo motor to drive the screw 13221 to rotate through the belt, and the ejector rod is driven to move downwards through the screw nut 13222.

Further, as shown in fig. 13, as an alternative embodiment of the present embodiment, the bag feeding device 300 includes: the bag clamping mechanism 310 is used for clamping the packaging bag; and the rotary conveying mechanism 320 is used for driving the bag clamping mechanisms to rotate, so that the packaging bags clamped by the bag clamping mechanisms face the packaging station and then are conveyed to the packaging station in a translation mode.

In this embodiment, can be through pressing from both sides the wrapping bag after bag mechanism 310 centre gripping loads, can drive through rotary conveying mechanism 320 and press from both sides bag mechanism 310 rotatory, make the wrapping bag of pressing from both sides bag mechanism 310 centre gripping towards the packing station after, carry the wrapping bag translation to the packing station to carry out the automatic of wrapping bag and transport, reduce artifical participation, promote production efficiency.

In the present embodiment, as shown in fig. 14, the bag clamping mechanism 310 includes a pair of bag body clamping plates 311; the pair of body clamps 311 are connected to the corresponding body clamp drivers 313 through the respective clamp holders 312, and the body clamps 311 are controlled to be closed or opened by the body clamp drivers 313 to clamp or release the packing.

In the present embodiment, the bag body clamp plates 311 are driven by the corresponding bag body clamp plate drivers 313, respectively, and the structure is simple; the lower edge of the bag body clamping plate 311 can be provided with a supporting part in an inward extending mode to support the clamped packaging bag and prevent the packaging bag from falling off in the conveying process.

In this embodiment, in order to prevent the materials in the package clamped during transportation from escaping from the bag opening due to shaking, the bag clamping mechanism 310 further comprises a bag opening clamping component 314; the mouth clamp assembly 314 is used to clamp the opening of the bag to close the mouth of the bag.

Specifically, the bag mouth clamping assembly 314 comprises two vertical frames 3141 which are respectively located on the corresponding clamping plate supports 312, a bag mouth clamping plate driver 3142 is arranged at the upper end of each vertical frame 3141, and the two bag mouth clamping plate drivers 3142 respectively drive the corresponding bag mouth clamping plates 3143 to open and close.

After the packaging bags are conveyed to a packaging station, the packaging bags generally need to be vacuumized, so that the bag openings of the packaging bags need to be reopened, and in order to realize the function, the bag opening clamping plates 3143 can be respectively provided with negative pressure openings 3144 communicated with a negative pressure air source; when the bag mouth clamping plate 3143 releases the clamped bag mouth, the negative pressure mouth 3144 is suitable for adsorbing the side edge of the bag mouth to open the bag mouth.

As an alternative embodiment of this embodiment, as shown in fig. 15, the rotary conveying mechanism 320 includes a translation cart 321, a cart driving assembly 322, and a rotary driver 323 located on the translation cart 321; the rotary driver 323 is used for supporting the bag clamping mechanism 310 and driving the bag clamping mechanism 310 to rotate, so that after the packaging bags clamped by the bag clamping mechanism 310 face a packaging station, the trolley driving component 322 drives the translation trolley 321 to translate and push the packaging bags clamped by the bag clamping mechanism 310.

In the present embodiment, the bag clamping mechanism 310 may be fixedly connected to the rotation shaft of the rotation driver 323; the rotary driver 323 drives the bag clamping mechanism 310 to rotate, so that the packaging bag clamped by the bag clamping mechanism 310 can face the packaging station, and the clamped packaging bag can enter the packaging station for packaging.

In this embodiment, optionally, the rotary conveying mechanism 320 further includes a rail 324; the trolley driving component 322 comprises a driving belt 3221 and a driving belt driver 3222; the translation trolley 321 is fixedly connected with a transmission belt 3221; the belt driver 3222 drives the belt 3221 to move, so as to drive the translation trolley 321 to move along the track 324.

In the embodiment, the translation trolley 321 runs on the rail 324, so that the stability can be enhanced; the belt drive 3222 may employ a servo motor to precisely control the travel position of the translation carriage 321.

As shown in fig. 13, in this embodiment, in order to precisely control the traveling position of the translation trolley 321 and improve the efficiency of transferring the packaging bags, the rotary bag feeding device further includes: a position detection module, configured to detect a position of the translation trolley 321 on a travel route thereof; the control module is electrically connected with the position detection module, the trolley driving assembly 322 and the bag clamping mechanism 310; when the position detection module detects that the translation trolley 321 moves to the preset clamping position 331, the control module controls the trolley driving component 322 to stop working, so that the translation trolley 321 stops moving, and controls the bag clamping mechanism 310 to clamp the packaging bag; after the bag clamping mechanism 310 clamps the packaging bag, the control module controls the cart driving assembly 322 to operate, so that the translation cart 321 moves towards the packaging station.

Further, the rotary driver 323 is electrically connected with the control module; when the position detection module detects that the translation trolley 321 moves to the preset rotation position 332, the control module controls the rotation driver 323 to drive the bag clamping mechanism 310 to rotate, so that the packaging bag clamped by the bag clamping mechanism 310 faces the packaging station.

Further, when the position detection module detects that the translation trolley 321 moves to the preset bag unloading position 333, the control module controls the bag clamping mechanism 310 to loosen the packaging bag so as to place the packaging bag at the packaging station; after the packaging bags are loosened, the control module controls the trolley driving assembly 322 to work, so that the translation trolley 321 moves towards the packaging bag filling position to carry out the next round of transportation.

As an optional implementation manner of this embodiment, the position detection module may be mounted on the translation trolley 321, and a clamping position 331, a rotation position 332, and a bag unloading position 333 are sequentially arranged on a traveling route of the translation trolley 321 from a packaging bag bagging position to a packaging station, and accessories that can trigger the position detection module are sequentially arranged at these three positions; of course, position detection modules may be disposed at the clamping position 331, the rotating position 332, and the bag unloading position 333, respectively, to detect the position of the translation cart 321.

In an embodiment, the position detection module may be, but is not limited to, a photoelectric sensor model ohron E3Z-D61; the control module can be a PLC series; the bag body clamp actuator 313, the bag mouth clamp actuator 3142, and the rotation actuator 323 may be, but are not limited to, air cylinders.

Example 2

On the basis of embodiment 1, the present embodiment provides a working method of a packaging machine, which is characterized by comprising: filling the packaging bag with materials; transferring the filled packaging bags to a vacuum packaging station; and carrying out vacuum sealing packaging on the packaging bag.

In conclusion, the packaging machine can automatically open and clamp the bag opening so as to facilitate the loading of materials; the dust-free charging process can be realized; the control module is suitable for controlling the jacking unit 132 to drive the supporting plate 131 to move downwards according to the weight information of the packaging bag so as to gradually expand the packaging bag for filling materials, and meanwhile, the distance from the upper end surface of the materials in the packaging bag to the feed opening can be maintained at an initial distance, so that the error caused by the falling impact force of the materials is maintained within an allowable range, and the weighing precision is kept; the vacuum cover 212 is adapted to cover the side of the vacuum platen 211 to form a chamber adapted to receive the carrying mechanism, thereby achieving a vacuum-tight package.

The components selected for use in the present application (components not illustrated for specific structures) are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A packaging machine, characterized by comprising:

a bagging device (100) for filling the material into the packaging bag;

a vacuum packing device (200) for sealing the packing bag; and

a bag feeding device (300) for conveying the packaging bag in the bagging device into the vacuum packaging device;

the vacuum packaging device (200) comprises a vacuum bin (210), and a bearing mechanism (220), a bag opening mechanism (230) and a bag sealing mechanism (240) which are positioned in the vacuum bin (210); wherein

The bag opening mechanism (230) is used for opening the bag opening of the packaging bag positioned on the bearing mechanism (220);

after the vacuum cabin (210) is vacuumized, the bag sealing mechanism (240) is used for sealing the mouth of the packaging bag;

the bag supporting mechanism (230) comprises a pair of L-shaped supporting rods (231), a connecting rod assembly (232) and a supporting rod driver (233);

the stay bar (231) comprises a rotating part (2311) connected with the connecting rod assembly (232) and a stay bag part (2312) perpendicular to the rotating part (2311);

the rotating parts (2311) of the two supporting rods (231) are parallel to each other, and the bag supporting parts (2312) are oppositely arranged and are positioned on the same straight line;

after the bag conveying device (300) conveys the packaging bags to the bearing mechanism (220), the stay bar driver (233) drives the rotating parts (2311) of the two stay bars (231) to rotate through the connecting rod assembly (232), and drives the bag opening parts (2312) to rotate outwards to straighten the bag openings.

2. The packaging machine of claim 1,

the vacuum chamber (210) comprises: a vacuum platen (211), a vacuum hood (212), and a vacuum hood drive assembly (213); wherein

The vacuum cover (212) covers the side surface of the vacuum pressing plate (211);

the vacuum cover driving assembly (213) drives the vacuum cover (212) to move towards the vacuum pressing plate (211) so as to cover and seal the vacuum cover (212) on the side surface of the vacuum pressing plate (211) to form a cavity suitable for accommodating the bearing mechanism; and

and a negative pressure pipe (214) communicated with an external negative pressure source is arranged on the vacuum pressing plate (211).

3. The packaging machine of claim 2,

the vacuum cup drive assembly (213) comprises a vacuum cup rail (2131), a vacuum cup driver (2132);

the vacuum cap driver (2132) is adapted to drive the vacuum cap (212) to move along the vacuum cap rail (2131) toward the vacuum platen (211).

4. The packaging machine of claim 1,

the bag sealing mechanism (240) comprises two oppositely arranged heat sealing strips (241) and a heat sealing strip driver (242);

the heat seal strip driver (242) is adapted to drive the two heat seal strips (241) together to heat seal a mouth of the bag located between the two heat seal strips (241).

5. The packaging machine of claim 1,

the bagging device (100) comprises:

the bag opening mechanism (110) is used for opening the bag mouth of the packaging bag and clamping the bag mouth;

the feeding mechanism (120) is used for feeding the packaging bags with the bag openings spread;

the weighing module is used for acquiring the weight of the packaging bag in the charging process;

and the control module is electrically connected with the weighing module and the feeding mechanism (120), receives the weight data of the packaging bag, and controls the feeding mechanism (120) to stop feeding when the weight of the packaging bag reaches a set value.

6. The packaging machine of claim 5,

the bag opening mechanism (110) comprises two movable side plates (111) which are arranged oppositely;

the two fixed baffle plates (112) are respectively positioned at the outer sides of the lower edges of the corresponding movable side plates (111);

and the bag clamping driver (1111) drives the corresponding movable side plate (111) sleeved on the bag opening of the packaging bag to move towards the fixed baffle (112) so that the movable side plate (111) and the fixed baffle (112) clamp the side edge of the bag opening.

7. The packaging machine of claim 1,

the bag feeding device (300) comprises:

the bag clamping mechanism (310) is used for clamping the packaging bag;

and the rotary conveying mechanism (320) is used for driving the bag clamping mechanism to rotate, so that the packaging bags clamped by the bag clamping mechanism are horizontally conveyed to the packaging station after facing the packaging station.

8. Method of operating a packaging machine according to any one of claims 1 to 7, characterized in that it comprises:

filling the packaging bag with materials;

transferring the filled packaging bags to a vacuum packaging station;

and carrying out vacuum sealing packaging on the packaging bag.