CN115489812B - Multifunctional bag opening and blanking device and bag opening and blanking method thereof - Google Patents

Multifunctional bag opening and blanking device and bag opening and blanking method thereof Download PDF

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Publication number
CN115489812B
CN115489812B CN202211308829.9A CN202211308829A CN115489812B CN 115489812 B CN115489812 B CN 115489812B CN 202211308829 A CN202211308829 A CN 202211308829A CN 115489812 B CN115489812 B CN 115489812B
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China
Prior art keywords
bag
blanking
bag opening
opening
funnel
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CN202211308829.9A
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Chinese (zh)
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CN115489812A (en
Inventor
戴建伟
孙瑞泽
赵凌
任清华
龚卫勇
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Shanghai Shantao Information Technology Co ltd
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Shanghai Shantao Information Technology Co ltd
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Priority to CN202211308829.9A priority Critical patent/CN115489812B/en
Publication of CN115489812A publication Critical patent/CN115489812A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/54—Means for supporting containers or receptacles during the filling operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B1/06—Methods of, or means for, filling the material into the containers or receptacles by gravity flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/28—Controlling escape of air or dust from containers or receptacles during filling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/30—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers engaging opposed walls, e.g. suction-operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B57/00—Automatic control, checking, warning, or safety devices
    • B65B57/18—Automatic control, checking, warning, or safety devices causing operation of audible or visible alarm signals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/10—Waste collection, transportation, transfer or storage, e.g. segregated refuse collecting, electric or hybrid propulsion

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Abstract

The invention discloses a multifunctional bag opening blanking device which comprises a bag opening mechanism and a blanking mechanism, wherein the bag opening mechanism comprises a bottom plate, a bag opening assembly, a bag bottom supporting assembly and a bag body lower hem flattening assembly; the bag opening assembly consists of two bag opening modules which are oppositely arranged; the bag bottom supporting assembly comprises a stepping lifting module and a bag bottom supporting seat connected with the output end of the stepping lifting module; the lower hem of the bag body is leveled the subassembly and is included opening bag drag hook, drag hook support arm and lift cylinder, and blanking mechanism is located the top of bag bottom support assembly, and blanking mechanism includes braced frame, blanking funnel, funnel lift cylinder, deep bead lift cylinder and fan. The multifunctional bag opening blanking device is suitable for bag opening blanking of packaging bags with various specifications, and the discharge port of the blanking funnel is tightly pressed on the bag port of the packaging bag, so that materials can be prevented from being scattered outside, and materials can be prevented from being detained in the blanking funnel. The invention also discloses a bag opening and blanking method of the multifunctional bag opening and blanking device.

Description

Multifunctional bag opening and blanking device and bag opening and blanking method thereof
Technical Field
The invention relates to a multifunctional bag opening blanking device and a bag opening blanking method thereof.
Background
At present, on a paper bag packaging production line of medicines, a method of manually opening a packaging bag and pouring materials into the packaging bag is adopted, the labor intensity is high, the production efficiency is low, and some automatic packaging production lines are also adopted, but the automatic packaging production line is generally applicable to packaging bags with one specification, after the packaging bags are replaced, the packaging bags cannot be completely opened, and the use is inconvenient; in addition, in the prior art, when the material is poured into the packaging bag, the outlet of the blanking mechanism is not tightly pressed at the bag opening of the packaging bag, the material scattering condition possibly occurs, some materials can be retained in the blanking mechanism, and the blanking mechanism lacks proper monitoring equipment, so that when the material is blanked, the material in the packaging bag needs to be manually nursed, and the material added into the packaging bag is checked to exceed the packaging line.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a multifunctional bag opening blanking device which is suitable for bag opening blanking of packaging bags with various specifications, and when blanking, a discharging hole of a blanking funnel is tightly pressed at a bag opening of the packaging bag, so that materials can be prevented from falling outside, materials can be prevented from being detained in the blanking funnel through structural improvement, and warning can be given when the materials added into the packaging bag exceed a packaging line.
Another object of the present invention is to provide a bag opening and blanking method of the multifunctional bag opening and blanking device.
The technical scheme for achieving the purpose is as follows: the utility model provides a multi-functional bag doffer that opens, includes bag opening mechanism and blanking mechanism, wherein:
the bag opening mechanism comprises a bottom plate, a bag opening assembly, a bag bottom supporting assembly and a bag body lower hem leveling assembly, wherein a transverse moving cylinder and two guide rails are arranged on the bottom plate, the two guide rails are respectively arranged at the front side and the rear side of the transverse moving cylinder, a sliding block is arranged on each guide rail, the sliding blocks on the two guide rails are connected through a sliding block connecting rod, and the middle part of the sliding block connecting rod is connected with the output end of the transverse moving cylinder; the bag opening assembly consists of two bag opening modules which are oppositely arranged, and each bag opening module comprises a bag opening support arm, a stepping motor module arranged at the top end of the bag opening support arm and a plurality of vacuum suckers connected with the output end of the stepping motor module; the bottom ends of the bag opening support arms of the two bag opening modules are arranged on the sliding blocks of the two guide rails in a one-to-one correspondence manner; the bag bottom supporting assembly comprises a stepping lifting module and a bag bottom supporting seat connected with the output end of the stepping lifting module; the bag body lower hem leveling assembly comprises a bag opening drag hook, a drag hook support arm and a lifting cylinder, wherein the drag hook support arm is connected with the output end of the lifting cylinder, and the bag opening drag hook is rotatably arranged at the top end of the drag hook support arm; the stepping lifting modules and the lifting cylinders are arranged at the front side and the rear side of the non-output end of the transverse moving cylinder in a one-to-one correspondence manner;
the blanking mechanism is positioned above the bag bottom supporting assembly and comprises a supporting frame, a blanking funnel, a funnel lifting cylinder, a wind shield lifting cylinder and a fan, wherein the supporting frame consists of two side plates and a cross beam bridged between the top ends of the two side plates; lifting guide rails are respectively arranged on opposite surfaces of the two side plates of the supporting frame, lifting sliding blocks which move up and down along the lifting guide rails are arranged on each lifting guide rail, and upper parts of the left side and the right side of the blanking funnel are connected with the lifting sliding blocks on the two lifting guide rails in a one-to-one correspondence manner; the funnel lifting cylinder is arranged on the cross beam of the supporting frame, and the output end of the funnel lifting cylinder is connected with the top plate of the blanking funnel; a feeding port is formed in the upper part of the rear side of the blanking funnel, and an ultrasonic sensor is arranged above the feeding port through a bracket; an oscillator is arranged at the lower part of the rear side of the blanking funnel; the lower parts of the left side and the right side of the blanking funnel are respectively provided with a side pressing cylinder and a side pressing rod connected with the side pressing cylinders; the wind shield is arranged at the rear side of the blanking funnel; the wind deflector lifting cylinder is arranged on the top plate of the blanking funnel through a bracket, and the output end of the wind deflector lifting cylinder is connected with the wind deflector; the fan is arranged above the blanking funnel, and the fan is communicated with the blanking funnel through an air pipe.
The multifunctional bag opening blanking device is characterized in that a sucker buffer is arranged between each vacuum sucker and the output end of the stepping motor module.
The multifunctional bag opening blanking device is characterized in that an extension spring is arranged between the bag opening draw hook and the draw hook support arm, and the bag opening draw hook and the draw hook support arm are perpendicular to each other in a non-working state.
The multifunctional bag opening blanking device comprises a bag bottom supporting seat, a bag opening hook and a bag opening hook, wherein the bag bottom supporting seat comprises a supporting front side plate and a supporting bottom plate, the front end of the supporting bottom plate is connected with the bottom end of the supporting front side plate, and the rear end of the supporting bottom plate is provided with a groove for the bag opening hook to pass through; the output end of the stepping lifting module is connected with the front side of the supporting front side plate.
The multifunctional bag opening blanking device is characterized in that the front side, the left side and the right side of the supporting bottom plate are respectively provided with downward turned edges.
The multifunctional bag opening blanking device is characterized in that damping rubber pads are respectively arranged between the joint of the blanking funnel and the lifting sliding block and between the output end of the funnel lifting cylinder and the joint of the top plate of the blanking funnel.
The invention also provides a bag opening and blanking method of the multifunctional bag opening and blanking device, which comprises the following steps:
s1, conveying a packaging bag to an inlet of the multifunctional bag opening blanking device through a front side station, driving the bag opening assembly to move to the inlet of the multifunctional bag opening blanking device by the transverse moving cylinder, enabling the stepping motor modules of the two bag opening modules to extend out simultaneously, and enabling the vacuum suckers of the two bag opening modules to suck the front side and the rear side of the packaging bag in a one-to-one correspondence manner;
s2, driving the bag opening assembly and the packaging bags sucked by the bag opening assembly to move to a blanking station of the multifunctional bag opening blanking device by the transverse moving cylinder, and then backing the stepping motor modules of the two bag opening modules according to the width dimension of the packaging bags so that the width direction of the packaging bags is completely opened, wherein a bag opening of the packaging bags is positioned right below a discharge opening of the blanking funnel;
s3, the wind shield lifting cylinder drives the wind shield to descend, the wind shield is plugged at a feed inlet of the blanking funnel, meanwhile, the fan is started, and continuous air flow and air pressure provided by the fan are blown into the packaging bag through the blanking funnel; then, a lifting cylinder of the bag body lower hem leveling assembly drives the draw hook support arm and the bag opening draw hook to ascend until the bag opening draw hook reaches the right upper side of the lower hem of the packaging bag; then, the lifting cylinder drives the draw hook support arm and the bag opening draw hook to descend, so that the bag opening draw hook pulls the lower hem of the packaging bag to move downwards, and the lower hem of the packaging bag is completely opened under the assistance of air flow and air pressure provided by the fan; then, closing the fan to finish opening the packaging bag;
s4, after the bag opening of the packaging bag is completed, the stepping lifting module of the bag bottom supporting assembly drives the bag bottom supporting seat to ascend, so that the bag bottom supporting seat supports the bottom of the packaging bag; then, the hopper lifting cylinder drives the blanking hopper to descend so that a discharge port of the blanking hopper is inserted into a bag port of the packaging bag, and the stepping motor modules of the two bag opening modules move simultaneously to press the front side and the rear side of the bag port of the packaging bag to the front side and the rear side of the discharge port of the blanking hopper in a one-to-one correspondence manner; then, the left side pressing cylinder and the right side pressing cylinder of the blanking funnel drive the corresponding side pressing rods to move, so that the left side and the right side of the bag opening of the packaging bag are correspondingly pressed on the left side and the right side of the discharge opening of the blanking funnel one by one;
s5, after the bag opening of the packaging bag is tightly pressed with the discharge opening of the blanking funnel, the wind shield lifting cylinder drives the wind shield to ascend, the feed opening of the blanking funnel is opened, the oscillator is started, materials enter the blanking funnel through the feed opening of the blanking funnel, blanking is carried out from the discharge opening of the blanking funnel into the packaging bag, and after blanking is completed, the oscillator is closed; the ultrasonic sensor detects whether the materials in the packaging bag exceed the position of the packaging line or not and sends a signal to an external control system; the vacuum chuck of two bag opening modules releases, the step motor module of two bag opening modules returns to the original position, the side pressing cylinders on the left side and the right side of the blanking funnel return, the bag opening of the packaging bag is loosened with the discharge hole of the blanking funnel, and the funnel lifting cylinder drives the blanking funnel to ascend to complete the whole bag opening blanking work.
The multifunctional bag opening blanking device and the bag opening blanking method thereof are suitable for bag opening blanking of packaging bags with various specifications, and when in blanking, the discharge hole of the blanking funnel is tightly pressed at the bag opening of the packaging bag, so that materials can be prevented from falling outside, materials can be prevented from being detained in the blanking funnel through structural improvement, and warning can be given when the materials added into the packaging bag exceed a packaging line.
Drawings
FIG. 1 is a perspective structure diagram of a multifunctional bag opening blanking device of the invention;
FIG. 2 is a front view of a multi-functional bag opening blanking device of the present invention;
FIG. 3 is a side view of a multi-functional bag opening blanking device of the present invention;
fig. 4 is a perspective view (right rear view direction) of the bag opening mechanism;
fig. 5 is a perspective view (left rear view direction) of the bag opening mechanism;
FIG. 6 is a top view of the bag opening mechanism;
fig. 7 is a perspective view (front view) of the blanking mechanism;
FIG. 8 is a perspective view of the blanking mechanism (rear view)
FIG. 9 is a rear view of the blanking mechanism;
FIG. 10 is a side view of the blanking mechanism;
fig. 11 is a flowchart of a bag opening and blanking method of the multifunctional bag opening and blanking device.
Detailed Description
In order to enable those skilled in the art to better understand the technical scheme of the present invention, the following detailed description is provided with reference to the accompanying drawings:
referring to fig. 1 to 10, a multifunctional bag opening and blanking device according to an embodiment of the present invention includes a bag opening mechanism 100 and a blanking mechanism 200.
Referring again to fig. 4, 5 and 6, the bag opening mechanism 100 includes a bottom plate 1, a bag opening assembly, a bag bottom support assembly and a bag body lower hem flattening assembly.
The base plate 1 is used to provide a mounting platform for other components of the bag opening mechanism 100. The base plate 1 is provided with a transverse moving cylinder 7 and two guide rails 2, the two guide rails 2 are respectively arranged at the front side and the rear side of the transverse moving cylinder 1, each guide rail 2 is provided with a sliding block 101, the sliding blocks 101 on the two guide rails 2 are connected through a sliding block connecting rod 102, the middle part of the sliding block connecting rod 102 is connected with the output end of the transverse moving cylinder 7, and the transverse moving cylinder 7 simultaneously drives the sliding blocks 101 to move along the corresponding guide rails 2 through the sliding block connecting rod 102.
The bag opening assembly consists of two bag opening modules which are oppositely arranged, each bag opening module comprises a bag opening support arm 11, a stepping motor module 5 arranged at the top end of the bag opening support arm 11 and a plurality of vacuum suckers 4 connected with the output end of the stepping motor module 5, a sucker buffer 3 is respectively arranged between each vacuum sucker 4 and the output end of the corresponding stepping motor module 5, and the sucker buffer 3 is used for ensuring the contact flexibility in the bag opening and packing bag edge pressing process and avoiding the damage caused by hard contact of parts; the bag opening support arm 11 provides a mounting base for the stepping motor module 5, the vacuum chuck 4 and the chuck buffer 3. The bottom ends of the bag opening support arms 11 of the two bag opening modules are arranged on the sliding blocks 101 of the two guide rails 2 in a one-to-one correspondence manner, the guide rails 2 and the sliding blocks 101 on the guide rails are used for providing displacement guide and bearing weight for the bag opening assembly, and the sliding blocks 101 drive the bag opening assembly to transversely move when moving along the guide rails 2. The vacuum chucks 4 of the two bag opening modules are respectively used for sucking the front side and the rear side of the packaging bag, and the stepping motor module 5 can move correspondingly according to the width dimension of the packaging bag, so that the packaging bag is completely opened in the width direction.
The bag bottom supporting assembly comprises a stepping lifting module 8 and a bag bottom supporting seat 6 connected with the output end of the stepping lifting module 8, the stepping lifting module 8 drives the bag bottom supporting seat 6 to move up and down, and the bag bottom supporting seat 6 is used for supporting the bottom of a packaging bag in the blanking process so as to prevent falling materials from punching the bottom of the packaging bag or preventing the packaging bag from being separated from a vacuum chuck; the step lifting module 8 mainly drives the bag bottom supporting seat 6 to lift according to the height of the packaging bag, so that the bottom of the packaging bag is contacted with the bag bottom supporting seat 6. The bag bottom supporting seat 6 comprises a supporting front side plate 61 and a supporting bottom plate 62, the front end of the supporting bottom plate 62 is connected with the bottom end of the supporting front side plate 61, and the rear end of the supporting bottom plate 62 is provided with a groove 63 for a bag opening draw hook to pass through; the output end of the stepping-up-down module 8 is connected to the front side of the supporting front side plate 61. The front, left and right sides of the support base 62 are respectively provided with downward turned down rims 64. The bottom of the package is located on a support base 62 and the front side of the package can be attached to the rear side of the support front side panel 61.
The bag body lower hem leveling assembly comprises a bag opening draw hook 9, a draw hook support arm 10 and a lifting cylinder 12, wherein the draw hook support arm 10 is connected with the output end of the lifting cylinder 12, and the bag opening draw hook 9 is rotatably arranged at the top end of the draw hook support arm 10; an extension spring is arranged between the bag opening drag hook 9 and the drag hook support arm 10, and in a non-working state, the bag opening drag hook 9 and the drag hook support arm 10 are mutually perpendicular. In the bag opening process, the lifting cylinder 12 drives the draw hook support arm 10 and the bag opening draw hook 9 to move up and down, so that the bag opening draw hook 9 pulls the lower edge folding part of the packaging bag, and the lower edge folding part of the packaging bag is completely leveled and opened.
The stepping lifting modules 8 and the lifting cylinders 12 are arranged on the front side and the rear side of the non-output end of the traversing cylinder 7 in a one-to-one correspondence. Thus, the bag bottom supporting component and the bag body lower hem leveling component are positioned at the non-output end of the traversing cylinder 7, namely the blanking station of the whole multifunctional bag opening blanking device. The other end of the bottom plate 1 is the inlet of the whole multifunctional bag opening blanking device.
Referring to fig. 7, fig. 8, fig. 9 and fig. 10, the blanking mechanism 200 is located above the bag bottom supporting assembly, and the blanking mechanism 200 is located at a blanking station of the whole multifunctional bag opening blanking device.
The blanking mechanism 200 includes a support frame 13, a blanking funnel 14, a funnel lift cylinder 22, a wind deflector 18, a wind deflector lift cylinder 19, and a fan 20.
The supporting frame 13 mainly provides a mounting bracket for other components of the blanking mechanism 200, and the supporting frame 13 is composed of two side plates 131 and a cross beam 132 bridged between the top ends of the two side plates; lifting guide rails 15 are respectively arranged on opposite surfaces of the two side plates 131 of the supporting frame 13, lifting sliding blocks 151 which move up and down along the lifting guide rails 15 are arranged on each lifting guide rail 15, the upper parts of the left side and the right side of the blanking funnel 14 are connected with the lifting sliding blocks 151 on the two lifting guide rails 15 in a one-to-one correspondence manner, and the lifting guide rails 15 and the lifting sliding blocks 151 on the lifting guide rails provide guiding for the lifting and the descending of the blanking funnel 14; the funnel lifting cylinder 22 is arranged on the beam 132 of the supporting frame 13, the output end of the funnel lifting cylinder 22 is connected with the top plate of the blanking funnel 14, and the funnel lifting cylinder 22 drives the blanking funnel 14 to move up and down along the lifting guide rail 15; the upper portion of the rear side of blanking funnel 14 has seted up the pan feeding mouth, and the top of pan feeding mouth is provided with ultrasonic sensor 23 through the support, and ultrasonic sensor 23 is used for detecting whether the material in the wrapping bag surpasses the encapsulation line position to send the signal to outside control system, if surpass, then can give warning signal.
The lower part of the rear side of the blanking funnel 14 is provided with an oscillator 17, and the oscillator 17 can prevent materials from being detained in the blanking funnel 14 in the blanking process; the lower parts of the left side and the right side of the blanking funnel 14 are respectively provided with a side pressing cylinder 16 and a side pressing rod 161 connected with the side pressing cylinders, and in the blanking process, the side pressing cylinders 16 can drive the side pressing rods 161 to press the side edges of the bag openings of the packaging bags on the discharge port of the blanking funnel 14; the wind deflector 18 is arranged at the rear side of the blanking funnel 14; the wind shield lifting cylinder 19 is arranged on the top plate of the blanking funnel 14 through a bracket, the output end of the wind shield lifting cylinder 19 is connected with the wind shield 18, the wind shield lifting cylinder 19 drives the wind shield 18 to move up and down, so that the wind shield 18 seals a feed inlet or breaks away from the feed inlet, the wind shield 18 seals the feed inlet, and air flow can be prevented from overflowing in the blowing and bag opening process; the fan 20 is arranged above the blanking funnel 14, and the fan 20 is communicated with the blanking funnel 14 through an air pipe 21.
Damping rubber pads 24 are respectively arranged between the joints of the blanking funnel 14 and the lifting slide blocks 151 and between the output ends of the funnel lifting cylinders 22 and the joints of the top plates of the blanking funnel 14. The damping rubber pad 24 can prevent the whole blanking mechanism 200 from transiting and shaking during the oscillation process of the oscillator 17.
Referring to fig. 11, the invention further provides a bag opening and blanking method of the multifunctional bag opening and blanking device, which comprises the following steps:
s1, conveying a packaging bag 300 to an inlet of a multifunctional bag opening blanking device through a front side station, driving a bag opening assembly to move to the inlet of the multifunctional bag opening blanking device by a transverse moving cylinder 7, enabling a stepping motor module 5 of two bag opening modules to extend out simultaneously, and enabling vacuum chucks 4 of the two bag opening modules to suck the front side and the rear side of the packaging bag 300 in a one-to-one correspondence manner;
s2, a traversing cylinder 7 drives a bag opening assembly and a packaging bag 300 sucked by the bag opening assembly to move to a blanking station of a multifunctional bag opening blanking device, and then a stepping motor module 5 of two bag opening modules retreats according to the width dimension of the packaging bag 300, so that the width direction of the packaging bag 300 is completely opened, and a bag opening of the packaging bag 300 is positioned right below a discharge hole of a blanking funnel 14;
s3, a wind shield lifting cylinder 19 drives a wind shield 18 to descend, the wind shield 18 is plugged at a feed inlet of the blanking funnel 14, meanwhile, a fan 20 is started, and continuous air flow and air pressure provided by the fan 20 are blown into a packaging bag 300 through the blanking funnel 14; then, a lifting cylinder 12 of the bag body lower hem leveling assembly drives a draw hook support arm 10 and a bag opening draw hook 9 to ascend until the bag opening draw hook 9 reaches the right upper side of the lower hem of the packaging bag 300; then, the lifting cylinder 12 drives the draw hook support arm 10 and the bag opening draw hook 9 to descend, so that the bag opening draw hook 9 pulls the lower hem of the packaging bag 300 to move downwards, and the lower hem of the packaging bag 300 is completely opened under the assistance of air flow and air pressure provided by the fan 20; then, the blower 20 is turned off to finish the opening of the package 300;
s4, after the bag opening of the packaging bag 300 is completed, the stepping lifting module 8 of the bag bottom supporting assembly drives the bag bottom supporting seat 6 to ascend, so that the bag bottom supporting seat 6 supports the bottom of the packaging bag 300; then, the hopper lifting cylinder 22 drives the blanking hopper 14 to descend, so that a discharge port of the blanking hopper 14 is inserted into a bag port of the packaging bag 300, and the stepping motor modules 5 of the two bag opening modules move simultaneously to press the front side and the rear side of the bag port of the packaging bag 300 on the front side and the rear side of the discharge port of the blanking hopper 14 in a one-to-one correspondence manner; then, the left and right side pressing cylinders 16 of the blanking funnel 14 drive the corresponding side pressing rods 161 to move, so that the left and right sides of the bag opening of the packaging bag 300 are correspondingly pressed on the left and right sides of the discharge opening of the blanking funnel 14 one by one;
s5, after the bag mouth of the packaging bag 300 is tightly pressed with the discharge hole of the blanking funnel 14, the wind shield lifting cylinder 19 drives the wind shield 18 to ascend, the feed port of the blanking funnel 14 is opened, the oscillator 17 is opened, materials enter the blanking funnel through the feed port of the blanking funnel 14, blanking is carried out from the discharge hole of the blanking funnel 14 into the packaging bag 300, and after the blanking is completed, the oscillator 17 is closed; the ultrasonic sensor 23 detects whether the materials in the packaging bag exceed the packaging line position or not, and sends a signal to an external control system, if yes, a warning signal can be given, and after the detection of the ultrasonic sensor 23 is finished; the vacuum chucks 4 of the two bag opening modules are released, the stepping motor modules 5 of the two bag opening modules are retracted to the original positions, the side pressing cylinders 16 on the left side and the right side of the blanking funnel 14 are retracted, the bag opening of the packaging bag 300 is loosened with the discharge opening of the blanking funnel 14, and the funnel lifting cylinder 22 drives the blanking funnel 14 to ascend to complete the whole bag opening blanking work.
In the multifunctional bag opening blanking device and the bag opening blanking method thereof, in the bag opening mechanism, the vacuum suckers 4 of the two bag opening modules are respectively used for sucking the front side and the rear side of the packaging bag, and the stepping motor module 5 can move correspondingly according to the width dimension of the packaging bag, so that the packaging bag is completely opened in the width direction; the stepping lifting module 8 of the bag bottom supporting assembly can drive the bag bottom supporting seat 6 to lift according to the height of the packaging bag, so that the bottom of the packaging bag is contacted with the bag bottom supporting seat 6; the lifting cylinder 12 of the bag body lower hem leveling assembly can drive the bag opening draw hook 9 to move up and down, so that the bag opening draw hook 9 pulls the lower hem part of the packaging bag, and the lower hem part of the packaging bag is completely leveled and opened. Therefore, the whole bag opening mechanism can be suitable for the sizes of the packaging bags with different specifications. During blanking, through pressing the motion of side cylinder 16 and step motor module 5, can compress tightly the sack of wrapping bag on the discharge gate of blanking funnel, prevent that the material from scattering, and bag bottom supporting seat 6 can prevent that the material that drops from punching out wrapping bag bottom or wrapping bag and vacuum chuck break away from for whole blanking process is more steady, prevents that the material from scattering outside, and oscillator 17 can prevent that the material from detaining in blanking funnel 14 at blanking in-process, and ultrasonic sensor 23 can be used for detecting whether the material in the wrapping bag surpasss the encapsulation line position to send the signal for outside control system, if surpass, then can give warning signal.
In summary, the multifunctional bag opening blanking device and the bag opening blanking method thereof are suitable for bag opening blanking of packaging bags with various specifications, and when blanking, the discharge hole of the blanking funnel is tightly pressed at the bag opening of the packaging bag, so that materials can be prevented from falling outside, materials can be prevented from being detained in the blanking funnel through structural improvement, and warning can be given when the materials added into the packaging bag exceed a packaging line.
It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration only and not for limitation of the invention, and that variations and modifications of the above described embodiments are intended to fall within the scope of the claims of the invention as long as they fall within the true spirit of the invention.

Claims (7)

1. The utility model provides a multi-functional bag doffer that opens, its characterized in that includes bag opening mechanism and blanking mechanism, wherein:
the bag opening mechanism comprises a bottom plate, a bag opening assembly, a bag bottom supporting assembly and a bag body lower hem leveling assembly, wherein a transverse moving cylinder and two guide rails are arranged on the bottom plate, the two guide rails are respectively arranged at the front side and the rear side of the transverse moving cylinder, a sliding block is arranged on each guide rail, the sliding blocks on the two guide rails are connected through a sliding block connecting rod, and the middle part of the sliding block connecting rod is connected with the output end of the transverse moving cylinder; the bag opening assembly consists of two bag opening modules which are oppositely arranged, and each bag opening module comprises a bag opening support arm, a stepping motor module arranged at the top end of the bag opening support arm and a plurality of vacuum suckers connected with the output end of the stepping motor module; the bottom ends of the bag opening support arms of the two bag opening modules are arranged on the sliding blocks of the two guide rails in a one-to-one correspondence manner; the bag bottom supporting assembly comprises a stepping lifting module and a bag bottom supporting seat connected with the output end of the stepping lifting module; the bag body lower hem leveling assembly comprises a bag opening drag hook, a drag hook support arm and a lifting cylinder, wherein the drag hook support arm is connected with the output end of the lifting cylinder, and the bag opening drag hook is rotatably arranged at the top end of the drag hook support arm; the stepping lifting modules and the lifting cylinders are arranged at the front side and the rear side of the non-output end of the transverse moving cylinder in a one-to-one correspondence manner;
the blanking mechanism is positioned above the bag bottom supporting assembly and comprises a supporting frame, a blanking funnel, a funnel lifting cylinder, a wind shield lifting cylinder and a fan, wherein the supporting frame consists of two side plates and a cross beam bridged between the top ends of the two side plates; lifting guide rails are respectively arranged on opposite surfaces of the two side plates of the supporting frame, lifting sliding blocks which move up and down along the lifting guide rails are arranged on each lifting guide rail, and upper parts of the left side and the right side of the blanking funnel are connected with the lifting sliding blocks on the two lifting guide rails in a one-to-one correspondence manner; the funnel lifting cylinder is arranged on the cross beam of the supporting frame, and the output end of the funnel lifting cylinder is connected with the top plate of the blanking funnel; a feeding port is formed in the upper part of the rear side of the blanking funnel, and an ultrasonic sensor is arranged above the feeding port through a bracket; an oscillator is arranged at the lower part of the rear side of the blanking funnel; the lower parts of the left side and the right side of the blanking funnel are respectively provided with a side pressing cylinder and a side pressing rod connected with the side pressing cylinders; the wind shield is arranged at the rear side of the blanking funnel; the wind deflector lifting cylinder is arranged on the top plate of the blanking funnel through a bracket, and the output end of the wind deflector lifting cylinder is connected with the wind deflector; the fan is arranged above the blanking funnel, and the fan is communicated with the blanking funnel through an air pipe.
2. A multi-functional bag opening blanking device as claimed in claim 1, wherein a suction cup buffer is provided between each vacuum suction cup and the output end of the stepper motor module, respectively.
3. A multifunctional bag opening blanking device as claimed in claim 1, characterized in that a tension spring is arranged between the bag opening draw hook and the draw hook support arm, and in the non-working state, the bag opening draw hook and the draw hook support arm are mutually perpendicular.
4. The multifunctional bag opening blanking device as claimed in claim 1, wherein the bag bottom supporting seat comprises a supporting front side plate and a supporting bottom plate, the front end of the supporting bottom plate is connected with the bottom end of the supporting front side plate, and the rear end of the supporting bottom plate is provided with a groove for a bag opening draw hook to pass through; the output end of the stepping lifting module is connected with the front side of the supporting front side plate.
5. The multifunctional bag opening blanking device as claimed in claim 4, wherein the front side, the left side and the right side of the supporting bottom plate are respectively provided with downward turned edges.
6. The multifunctional bag opening blanking device of claim 1, wherein damping rubber pads are respectively arranged between the joints of the blanking funnel and the lifting slide block and between the output end of the funnel lifting cylinder and the joint of the top plate of the blanking funnel.
7. A bag opening and blanking method of a multifunctional bag opening and blanking device as claimed in claim 1, comprising the steps of:
s1, conveying a packaging bag to an inlet of the multifunctional bag opening blanking device through a front side station, driving the bag opening assembly to move to the inlet of the multifunctional bag opening blanking device by the transverse moving cylinder, enabling the stepping motor modules of the two bag opening modules to extend out simultaneously, and enabling the vacuum suckers of the two bag opening modules to suck the front side and the rear side of the packaging bag in a one-to-one correspondence manner;
s2, driving the bag opening assembly and the packaging bags sucked by the bag opening assembly to move to a blanking station of the multifunctional bag opening blanking device by the transverse moving cylinder, and then backing the stepping motor modules of the two bag opening modules according to the width dimension of the packaging bags so that the width direction of the packaging bags is completely opened, wherein a bag opening of the packaging bags is positioned right below a discharge opening of the blanking funnel;
s3, the wind shield lifting cylinder drives the wind shield to descend, the wind shield is plugged at a feed inlet of the blanking funnel, meanwhile, the fan is started, and continuous air flow and air pressure provided by the fan are blown into the packaging bag through the blanking funnel; then, a lifting cylinder of the bag body lower hem leveling assembly drives the draw hook support arm and the bag opening draw hook to ascend until the bag opening draw hook reaches the right upper side of the lower hem of the packaging bag; then, the lifting cylinder drives the draw hook support arm and the bag opening draw hook to descend, so that the bag opening draw hook pulls the lower hem of the packaging bag to move downwards, and the lower hem of the packaging bag is completely opened under the assistance of air flow and air pressure provided by the fan; then, closing the fan to finish opening the packaging bag;
s4, after the bag opening of the packaging bag is completed, the stepping lifting module of the bag bottom supporting assembly drives the bag bottom supporting seat to ascend, so that the bag bottom supporting seat supports the bottom of the packaging bag; then, the hopper lifting cylinder drives the blanking hopper to descend so that a discharge port of the blanking hopper is inserted into a bag port of the packaging bag, and the stepping motor modules of the two bag opening modules move simultaneously to press the front side and the rear side of the bag port of the packaging bag to the front side and the rear side of the discharge port of the blanking hopper in a one-to-one correspondence manner; then, the left side pressing cylinder and the right side pressing cylinder of the blanking funnel drive the corresponding side pressing rods to move, so that the left side and the right side of the bag opening of the packaging bag are correspondingly pressed on the left side and the right side of the discharge opening of the blanking funnel one by one;
s5, after the bag opening of the packaging bag is tightly pressed with the discharge opening of the blanking funnel, the wind shield lifting cylinder drives the wind shield to ascend, the feed opening of the blanking funnel is opened, the oscillator is started, materials enter the blanking funnel through the feed opening of the blanking funnel, blanking is carried out from the discharge opening of the blanking funnel into the packaging bag, and after blanking is completed, the oscillator is closed; the ultrasonic sensor detects whether the materials in the packaging bag exceed the position of the packaging line or not and sends a signal to an external control system; the vacuum chuck of two bag opening modules releases, the step motor module of two bag opening modules returns to the original position, the side pressing cylinders on the left side and the right side of the blanking funnel return, the bag opening of the packaging bag is loosened with the discharge hole of the blanking funnel, and the funnel lifting cylinder drives the blanking funnel to ascend to complete the whole bag opening blanking work.
CN202211308829.9A 2022-10-25 2022-10-25 Multifunctional bag opening and blanking device and bag opening and blanking method thereof Active CN115489812B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4086742A (en) * 1976-03-01 1978-05-02 Windmoller & Holscher Method and apparatus for fully automatically filling sacks or bags made during filling from a web of tubular plastics film
GB2121755A (en) * 1982-06-07 1984-01-04 Windmoeller & Hoelscher Apparatus for filling bags
TWI697444B (en) * 2019-09-12 2020-07-01 宋振華 Automatic vertical shaping vacuum packaging machine
CN111409904A (en) * 2020-05-25 2020-07-14 吕彦民 Packaging bag supply, taking and opening equipment and method thereof
CN214649123U (en) * 2021-03-22 2021-11-09 江阴市恒大物料自控系统有限公司 Automatic powder packaging device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4086742A (en) * 1976-03-01 1978-05-02 Windmoller & Holscher Method and apparatus for fully automatically filling sacks or bags made during filling from a web of tubular plastics film
GB2121755A (en) * 1982-06-07 1984-01-04 Windmoeller & Hoelscher Apparatus for filling bags
TWI697444B (en) * 2019-09-12 2020-07-01 宋振華 Automatic vertical shaping vacuum packaging machine
CN111409904A (en) * 2020-05-25 2020-07-14 吕彦民 Packaging bag supply, taking and opening equipment and method thereof
CN214649123U (en) * 2021-03-22 2021-11-09 江阴市恒大物料自控系统有限公司 Automatic powder packaging device

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