CN116176946B - Vertical box unpacking machine and use method thereof - Google Patents
Vertical box unpacking machine and use method thereofInfo
- Publication number
- CN116176946B CN116176946B CN202310277647.8A CN202310277647A CN116176946B CN 116176946 B CN116176946 B CN 116176946B CN 202310277647 A CN202310277647 A CN 202310277647A CN 116176946 B CN116176946 B CN 116176946B
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- China
- Prior art keywords
- box
- assembly
- folding
- state
- blank
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Classifications
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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
- B65B43/08—Forming three-dimensional containers from sheet material
- B65B43/10—Forming three-dimensional containers from sheet material by folding the material
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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
- B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
- B65B43/14—Feeding individual bags or carton blanks from piles or magazines
- B65B43/16—Feeding individual bags or carton blanks from piles or magazines by grippers
- B65B43/18—Feeding individual bags or carton blanks from piles or magazines by grippers by suction-operated grippers
- B65B43/185—Feeding individual bags or carton blanks from piles or magazines by grippers by suction-operated grippers specially adapted for carton blanks
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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
- B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
- B65B43/265—Opening, erecting or setting-up boxes, cartons or carton blanks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Making Paper Articles (AREA)
Abstract
The invention relates to the technical field of box opening machines, and discloses a vertical box opening machine which comprises a box blank conveying line, wherein a box blank limiting mechanism is arranged at the rear end of the box blank conveying line, a second folding assembly is arranged at the front end of the box body conveying line, a bottom cover folding mechanism is arranged at the rear position of the second folding assembly in the box body conveying line, the box opening transfer mechanism comprises a box opening mechanism and a manipulator, the box opening mechanism comprises a first suction box assembly, a second suction box assembly and a first folding assembly, the second suction box assembly is in an initial state parallel to the first suction box assembly and is pivoted to an opening state perpendicular to the first suction box assembly along a vertical axis, and the folding assembly is in a vertical state parallel to the second suction box assembly and is pivoted to a folding state perpendicular to the second suction box assembly along a horizontal axis. The invention has the advantages of stable structure, high box opening efficiency and good box opening quality.
Description
Technical Field
The invention relates to the technical field of box opening machines, in particular to a vertical box opening machine and a box opening method.
Background
With the increasing wide application of carton packaging, the requirement can not be met by manually unpacking the cartons, and at present, efficient unpacking is carried out on the cartons by using unpacking machines in many industries. The box blank that carton just produced is slice (the box blank is as shown in fig. 12), and the box after expanding is as shown in fig. 13, and the box generally includes four main sides (leading flank, trailing flank, left surface, right flank respectively), and the lower extreme of box is equipped with two lower blades (box minor face department), two bottom (box long limit department), and the box upper end is equipped with two upper blades (bottom minor face department), two top caps (box long limit department), needs to open the box blank through the case unpacking machine and is the cuboid state, and the closure of bottom of the case is pasted through the sticky tape at last, just so can be used for packing article. At present, a box unpacking machine adopts a group of suckers to adsorb the front side surface of a box blank, then the box body is unfolded by matching with an external baffle plate, then the opposite rear side surface is adsorbed and positioned by another group of suckers, finally the box body is sent into a conveying mechanism, and a pressing plate is directly arranged at the bottom of the conveying mechanism to sequentially extrude and bend two lower sheets and two bottom covers, so that the box unpacking is realized.
The existing box unpacking machine is complex in integral structure, low in box unpacking efficiency, easy to damage after the front blade, the rear blade and the two side blades at the bottom of the box body are extruded, and uneven in bending of the blades.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a vertical box opening machine with stable structure, high box opening efficiency and good box opening quality and a use method thereof.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
A vertical box unpacking machine comprises
The box blank conveying line is used for storing and conveying vertical box blanks, and the rear end of the box blank conveying line is provided with a box blank limiting mechanism;
The box body conveying line is used for conveying the box body after the box is opened, the front end of the box body conveying line is provided with a second folding assembly used for folding a single lower page piece at the bottom of the box body, a bottom cover folding mechanism used for folding bottom covers at two sides of the box body is arranged at the rear position of the second folding assembly in the box body conveying line, and
The unpacking transfer mechanism is arranged between the rear end of the box blank conveying line and the front end of the box body conveying line and comprises a unpacking mechanism for unfolding box blanks and a manipulator for driving the unpacking mechanism to reciprocate between the box blank conveying line and the box body conveying line;
The box opening mechanism comprises a first suction box assembly, a second suction box assembly arranged on one side of the first suction box assembly and a first folding assembly arranged on the lower side of the second suction box assembly, wherein the second suction box assembly is in an initial state parallel to the first suction box assembly and is pivoted to a box opening state perpendicular to the first suction box assembly along a vertical axis, and the folding assembly is in a vertical state parallel to the second suction box assembly and is pivoted to a folding state perpendicular to the second suction box assembly along a horizontal axis.
The box blank can be opened into a cuboid state through the box opening mechanism, one lower page piece at the bottom of the box body is folded at the same time, then the other lower page piece at the bottom of the box body is folded through the second page folding mechanism, and finally the two bottom covers are folded through the bottom cover folding mechanism.
Preferably, the box blank conveying line comprises two groups of conveying line brackets which are distributed in parallel and box blank conveying belts which are arranged on the inner sides of the corresponding conveying line brackets, two groups of box blank limiting mechanisms are arranged, and the two groups of box blank limiting mechanisms are correspondingly arranged at the rear ends of the two groups of conveying line brackets;
The box blank limiting mechanism comprises a pressing plate, first power which is fixedly arranged on the conveying line support and connected with the pressing plate, and a baffle plate which is positioned at the rear side of the pressing plate and used for blocking the box blank, wherein the pressing plates in the two box blank limiting mechanisms are distributed in opposite directions and have a limiting state which is close to each other to press two ends of the box blank and a separating state which is far away from each other under the action of the first power, and the baffle plate is configured to be pivotable around a vertical axis and has a releasing state which can release the box blank in an outward rotation mode and a blocking state which can block the box blank in an inward rotation mode;
when the pressing plates are in a separation state, the baffle is in a blocking state for blocking the box blank at the rearmost end, and when the pressing plates are close to each other to press the box blank, the baffle synchronously rotates to a release state.
Preferably, a first pivot which is vertically distributed is arranged at the middle part of the baffle, a connecting arm is arranged between the outer end of the baffle and the pressing plate, one end of the connecting arm is rotationally connected with the baffle, the other end of the connecting arm is rotationally connected with the pressing plate, and when the pressing plate moves from a separation state to a limit state, the connecting arm drives the baffle to rotate from a blocking state to a release state.
Preferably, the conveying line support is provided with a push plate assembly, the push plate assembly is in sliding connection with the conveying line support along the box blank feeding direction, and an elastic inhaul cable for driving the push plate assembly to push the box blank to move along the box blank conveying belt direction is arranged between the push plate assembly and the conveying line support.
Preferably, one end of the box blank conveying belt is provided with an intermittent driving mechanism for driving the box blank conveying belt to intermittently move, when the baffle is in a release state, the intermittent driving mechanism is in a stop state, and when the box blank at the rearmost end is sucked away by the box opening mechanism and the baffle is restored to a blocking state, the intermittent driving mechanism drives the box blank conveying belt to move to the rear end for a certain displacement.
Preferably, the two ends of the box blank conveying belt are sleeved on the driving wheel in a tensioning state, the intermittent driving mechanism comprises a swing arm sleeved on a wheel shaft of the driving wheel, a one-way bearing is arranged between the swing arm and the wheel shaft, and the outer end of the swing arm is provided with second power for driving the swing arm to swing in a reciprocating mode.
Preferably, the rear end side of the box blank conveying belt is provided with a supporting and limiting piece for supporting the box blank and limiting the bottom of the box blank at the rearmost end, the supporting and limiting piece is provided with a supporting surface which is horizontally distributed, and the rear end of the supporting surface is provided with a limiting convex strip.
The first suction box assembly comprises a base plate connected with the manipulator and a plurality of first suckers arranged on the base plate, the second suction box assembly comprises a rotating plate which is positioned on one side of the base plate and is driven to rotate by third power and a plurality of second suckers arranged on the rotating plate, and the first folding assembly comprises a folding plate which is rotationally connected with the lower side of the rotating plate and fourth power for driving the folding plate to rotate;
the first suction box assembly sucks box blanks and separates the box blanks from a box blank conveying line through a mechanical arm, the second suction box assembly rotates to a box opening state and sucks the box blanks, then the first folding assembly rotates to a folding state from a vertical state, and at the moment, the base plate, the rotating plate and the folding plate are in a mutually perpendicular state.
Preferably, the base plate is provided with at least one long slot hole for transversely adjusting the position of the first sucker, wherein at least one first sucker is arranged in the long slot hole and locked by a fastener, the front side of the base plate is provided with a parallel sucker positioning plate, and the sucker positioning plate is provided with an avoidance notch corresponding to the first sucker.
Preferably, the box body conveying line is vertically distributed with the box blank conveying line, the front end of the box body conveying line is connected with the rear end of the box blank conveying line through a frame, the unpacking transfer mechanism is arranged on the frame, the box body conveying line comprises two groups of box body conveying belts which are laterally distributed, and when the box body after unpacking enters the box body conveying belts, the box body conveying belts are contacted with two sides of the box body and convey the box body.
Preferably, the second folding assembly comprises a folding guide plate positioned in the middle of the front end of the box conveying line and fifth power for driving the folding guide plate to reversely reciprocate along the box conveying line, wherein the folding guide plate is an arc-shaped plate, and the arc surface of the folding guide plate faces the front end of the box conveying line;
when the box opening transfer mechanism moves the box body to be close to the second folding assembly, the fifth power drives the folding guide plate to extend towards the opposite direction of the box body conveying line, so that the other lower sheet at the bottom of the box body is folded.
Preferably, the bottom cover folding mechanism comprises two groups of roller assemblies and two groups of sixth power, wherein the two groups of roller assemblies are rotatably arranged below two sides of the box body conveying line, and the two groups of sixth power are used for driving the two groups of roller assemblies to synchronously rotate;
When the box body enters a position between the two sets of roller assemblies, the roller assemblies rotate inwards to a bottom cover folding state under the action of sixth power, so that the bottom cover at the bottom of the box body is folded.
Preferably, the roller assembly comprises a roller frame and a row of rollers rotatably arranged on the roller frame, connecting brackets connected with the box conveying line are arranged at two ends of the roller frame, the roller frame is rotatably connected with the connecting brackets, swing arms are fixedly arranged on the roller frame, and the output end of the sixth power is rotatably connected with the swing arms.
Preferably, a box supporting assembly is arranged at the bottom of the box conveying line and positioned between the two sets of roller assemblies, and comprises a box supporting plate and box supporting power for driving the box supporting plate to move up and down;
when the box body enters the position of the box supporting assembly after the two lower sheets at the bottom of the box body are folded, the box supporting plate in the ascending state is abutted with the folded lower sheets, and then the sixth power drives the roller assembly to rotate to the bottom cover folding state.
Preferably, a cover plate used for limiting the upper end of the box body is arranged on the upper side of the box body conveying line, a cover plate seat is arranged on the cover plate, and two ends of the cover plate seat are connected with the frame through guide rods.
Preferably, the two ends of the cover plate seat are in sliding connection with the guide rod, the cover plate seat is also provided with a screw rod parallel to the guide rod and a motor for driving the screw rod to rotate, and the screw rod penetrates through the cover plate seat to form threaded connection with the cover plate seat.
Preferably, the front end of the cover plate corresponds to the rear end position of the box blank conveying line, a blocking needle is arranged at the position, facing the rear end position of the box blank conveying line, of the front end of the cover plate, and the blocking needle is configured to be capable of moving to an adjusting position, so that the position of the blocking needle corresponds to a gap between an upper cover and an upper page piece at the upper end of the box blank;
When the box blank is absorbed by the first suction box assembly and pulled backwards, the baffle plays a blocking role on the other upper cover on the box blank, and further the two upper covers are assisted to be pulled open.
The application method of the vertical box unpacking machine comprises the following steps:
S1, storing box blanks on a box blank conveying line, wherein the box blanks at the rearmost end are blocked by a baffle plate in a box blank limiting mechanism, the bottoms of the box blanks at the rearmost end are blocked and limited by a limiting convex strip on a supporting limiting piece, and the box blanks at the foremost end are elastically pressed by a push plate assembly;
S2, the mechanical arm drives the first suction box assembly to move to the box blank at the rearmost end, at the moment, the pressing plates are mutually close to press some box blanks at the front side of the rearmost end, and the baffle plates synchronously rotate to a release state;
S3, the first suction box assembly sucks the rear side surface of the box blank, the second suction box assembly in an initial state is attached to the left side surface of the box blank, in the process that the box blank moves from the first station to the second station, the second suction box assembly rotates to a box opening state and sucks the left side surface of the box blank, the rear side surface and the left side surface of the box blank are in a vertical state, then the first folding assembly rotates to a folding state, and the lower sheet on the left side is in a folding state;
S4, the manipulator drives the box body to move towards the direction of the box body conveying line, when the lower sheet on the right side of the box body is close to the second folding assembly, the fifth power drives the folding guide plate to extend out to fold the lower sheet on the right side of the box body, the box body continues to move along the direction of the box body conveying line, and when the lower sheet on the left side of the box body is positioned on the folding guide plate and is stably supported, the box opening mechanism loosens the box body;
S5, the box body moves to the bottom cover folding mechanism along the box body conveying line, the box supporting plate in the ascending state is abutted against the two folded lower sheets, then the sixth power drives the roller assembly to rotate to the bottom cover folding state, and the two bottom covers are folded to complete the whole box opening operation.
Preferably, in step S4, after the opening mechanism opens the case, the folding guide plate moves along the direction of the case transfer line together with the case, and stops when the folding guide plate moves to the initial state, at which time the rear end of the folding guide plate abuts against the front end of the tray deck, and the bottom of the case enters the case transfer line along the folding guide plate.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic structural view of the box blank conveying line.
Fig. 4 is a schematic diagram of a box blank positioning state.
Fig. 5 is a schematic view of the pressing plate in a limit state and the baffle in a release state.
Fig. 6 is a schematic diagram of a state before the unpacking of the unpacking mechanism.
Fig. 7 is a schematic diagram of the case opening mechanism after the case opening.
Fig. 8 is a rear side elevational view of fig. 7.
Fig. 9 is a schematic structural view of the box conveyor line.
Fig. 10 is a schematic view of a second hinge mechanism and a bottom cover hinge mechanism.
Fig. 11 is a schematic structural view of the cover plate.
Fig. 12 is a schematic structural view of the box blank.
Fig. 13 is an expanded schematic view of the rear and left sides of the box blank.
Fig. 14 is a state change diagram of the case during the case opening process.
In the drawing, a box blank conveying line 1, a box blank limiting mechanism 10, a pressing plate 100, a first power 101, a baffle plate 102, a first pivot 103, a pivot frame 104, a connecting arm 105, a conveying line bracket 11, a box blank conveying belt 12, a push plate assembly 13, a sliding rail 130, a sliding block 131, an elastic stay rope 132, a stay rope winding seat 133, an intermittent driving mechanism 14, a swing arm 140, a wheel axle 141, a one-way bearing 142, a second power 143, a supporting limiting piece 15, a supporting surface 150, a limiting raised strip 151 and a guiding surface 152;
Box feed line 2, second tucking assembly 20, tucking guide 200, fifth power 201, bottom cover tucking mechanism 21, roller assembly 210, roller frame 2100, rollers 2101, connecting bracket 2102, tabs 2103, sixth power 211, box feed belt 22, box tray assembly 23, box tray 230, box tray power 231, cover 24, cover plate holder 240, guide bar 241, lead screw 242, motor 243, and pin 244;
the box opening transfer mechanism 3, the box opening mechanism 30, the first suction box assembly 300, the base plate 3000, the first suction cup 3001, the long slot 3002, the fastener 3003, the suction cup positioning plate 3004, the second suction box assembly 301, the third power 3010, the rotating plate 3011, the second suction cup 3012, the first folding assembly 302, the folding plate 3020, the fourth power 3021, the driving arm 3022, and the manipulator 31;
Frame 4, box blank 9, back side 900, left side 901, lower leaf 902, upper leaf 903, bottom cover 904, top cover 905.
Detailed Description
In order to make the technical problems, technical solutions and advantageous technical effects to be solved by the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and a plurality of exemplary embodiments. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It should be appreciated that the expressions "first", "second", etc. are used herein for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying any particular order of number of technical features indicated. Features defining "first", "second" or "first" may be expressed or implied as including at least one such feature.
For convenience of description, each part of the case is defined as follows, as shown in fig. 12 and 13, a face where a largest rectangle in the case blank 9 (case) is located is a rear face 900, a face opposite to the rear face is a front face, a left side of the rear face is a left face 901, a face opposite to the left face is a right face, a face connected below the left face and the right face is a lower sheet 902, a face connected above the left face and the right face is an upper sheet 903, a face connected below the front face and the rear face is a bottom cover 904, and a face connected above the front face and the rear face is a top cover 905. When the box blanks are stored on the box blank conveying line, the rear side face of the box blanks faces the rear end of the box blank conveying line.
The vertical box opener comprises a box blank conveying line 1, a box body conveying line 2, a box body folding assembly 20 and a box opening transfer mechanism 3, wherein the box blank conveying line is used for storing and conveying vertical box blanks 9, a box blank limiting mechanism 10 is arranged at the rear end of the box blank conveying line 1, the box body conveying line 2 is used for conveying a box body after box opening, a second folding assembly 20 used for folding a single lower page piece at the bottom of the box body is arranged at the front end of the box body conveying line 2, a bottom cover folding mechanism 21 used for folding bottom covers at two sides of the box body is arranged at the rear position of the second folding assembly in the box body conveying line 2, the box opening transfer mechanism 3 is arranged between the rear end of the box blank conveying line 1 and the front end of the box body conveying line 2, and the box opening transfer mechanism 3 comprises a box opening mechanism 30 used for unfolding the box blanks and a manipulator 31 used for driving the box opening transfer mechanism to reciprocate between the box blank conveying line and the box body conveying line;
The box body conveying line 2 is vertically distributed with the box blank conveying line 1, the front end of the box body conveying line is connected with the rear end of the box blank conveying line through a rack 4, one end of a manipulator 31 in the box opening transfer mechanism is arranged on the rack, the other end of the manipulator is connected with the box opening mechanism, the box opening mechanism 30 comprises a first suction box assembly 300, a second suction box assembly 301 arranged on one side of the first suction box assembly and a first folding assembly 302 arranged on the lower side of the second suction box assembly, the second suction box assembly 301 is in an initial state parallel to the first suction box assembly and is pivoted to an opening state perpendicular to the first suction box assembly along a vertical axis, and the folding assembly is in a vertical state parallel to the second suction box assembly and is pivoted to a folding state perpendicular to the second suction box assembly along the horizontal axis.
As shown in fig. 3-5, the box blank conveying line 1 comprises two groups of conveying line brackets 11 which are distributed in parallel, and box blank conveying belts 12 which are arranged on the inner sides of the corresponding conveying line brackets, wherein two groups of box blank limiting mechanisms 10 are arranged, and the two groups of box blank limiting mechanisms 10 are correspondingly arranged at the rear ends of the two groups of conveying line brackets;
The box blank limiting mechanism 10 comprises a pressing plate 100, a first power 101 fixedly arranged on a conveying line bracket and connected with the pressing plate, and a baffle plate 102 positioned at the rear side of the pressing plate and used for blocking box blanks, wherein the pressing plates 100 in the two box blank limiting mechanisms are distributed in opposite directions and have a limiting state of mutually approaching to and pressing two ends of the box blank and a separating state of mutually separating from the box blank under the action of the first power, the baffle plate is configured to be pivotable around a vertical axis and has a releasing state of outwards rotating to release the box blank and a blocking state of inwards rotating to block the box blank, when the pressing plates 100 are in the separating state, the baffle plate 102 is in the blocking state of blocking the box blank at the rearmost end, and when the pressing plates are mutually approaching to press the box blank, the baffle plate synchronously rotates to the releasing state. The first power in this embodiment is a cylinder.
Specifically, a first pivot 103 vertically distributed is arranged in the middle of the baffle 102, the first pivot is mounted on the conveyor line bracket 11 through a pivot frame 104, a connecting arm 105 is arranged between the outer end of the baffle 102 and the pressing plate 100, one end of the connecting arm is rotatably connected with the baffle, the other end of the connecting arm is rotatably connected with the pressing plate, and when the shaft end of the first power extends out to drive the pressing plate to extend out to a limiting state (a state shown in fig. 5), the pressing plate drives the baffle to rotate around the first pivot 103 from a blocking state to a releasing state through the connecting arm.
As shown in fig. 3, a push plate assembly 13 is arranged on a conveying line support 11, the push plate assembly and the conveying line support are in sliding connection along the feeding direction of the box blank, a sliding rail 130 is fixedly arranged on the outer side of the conveying line support, the lower end of the push plate assembly is in sliding connection with the sliding rail through a sliding block 131, an elastic inhaul cable 132 for driving the push plate assembly to push the box blank to move along the direction of a box blank conveying belt is arranged between the push plate assembly 13 and the conveying line support, the elastic inhaul cable 132 in the embodiment is wound in a inhaul cable winding seat 133, the push plate assembly is firstly moved to the front end of the box blank conveying line before the box blank is packaged, and then the box blank is released after the box blank is packaged, so that the push plate assembly presses the box blank at the front end under the action of the elastic inhaul cable.
One end of the box blank conveying belt 12 is provided with an intermittent driving mechanism 14 for driving the box blank conveying belt to intermittently move, when the baffle is in a release state, the intermittent driving mechanism is in a stop state, and when the box blank at the rearmost end is sucked away by the box opening mechanism and the baffle is restored to a blocking state, the intermittent driving mechanism drives the box blank conveying belt to move to the rear end for a certain displacement. Specifically, the two ends of the box blank conveying belt 12 are sleeved on the driving wheel in a tensioning state, the intermittent driving mechanism 14 comprises a swing arm 140 sleeved on a wheel shaft 141 of the driving wheel, a one-way bearing 142 is arranged between the swing arm and the wheel shaft, and a second power 143 for driving the swing arm to swing reciprocally is arranged at the outer end of the swing arm. The second power in this embodiment employs a cylinder, and the one-way bearing may be replaced with other forms of one-way rotating assemblies, such as other forms of ratchet and ratcheting mechanisms.
The rear end side of the box blank conveying belt 12 is provided with a supporting and limiting piece 15 for supporting the box blank and limiting the bottom of the box blank at the rearmost end, the supporting and limiting piece 15 is provided with a supporting surface 150 which is horizontally distributed, the rear end of the supporting surface 150 is provided with a limiting convex strip 151, and the front end of the supporting surface extends downwards to form an inclined guide surface 152.
Under the action of the box blank limiting mechanism 10, the box blanks on the box blank conveying line release the box blanks at the rearmost end each time and are taken away by the box opening mechanism, other box blanks are pressed and positioned by the pressing plate, after the box blanks at the rearmost end are taken away, the baffle rotates to a blocking state, the intermittent driving mechanism drives the box blank conveying belt to move backwards for a certain displacement, in some embodiments, the rear end of the box blank conveying belt is provided with an inductor for detecting the box blanks, when the inductor detects that the box blanks are taken away (lack of the box blanks), the intermittent driving mechanism drives the box conveying belt to move backwards for a certain position, so that the box blanks are moved to the baffle plate, the inductor senses the existence of the box blanks, the box blank conveying belt stops moving, so that the whole box blank conveying process is more stable and reliable, and meanwhile, the push plate assembly moves forwards for a certain position under the action of an elastic inhaul cable to keep pressing the box blanks at the foremost end.
As shown in fig. 6 to 8, the first suction box assembly 300 comprises a base plate 3000 connected with a manipulator, a plurality of first suction discs 3001 arranged on the base plate, the second suction box assembly 301 comprises a rotating plate 3011 positioned on one side of the base plate and driven to rotate by a third power 3010, a plurality of second suction discs 3012 arranged on the rotating plate, the first hinge assembly 302 comprises a hinge plate 3020 rotatably connected with the lower side of the rotating plate and a fourth power 3021 for driving the hinge plate to rotate, at least one long slot 3002 for transversely adjusting the position of the first suction discs is arranged on the base plate 3000, at least one first suction disc is arranged in the long slot and locked by a fastener 3003, a parallel suction disc positioning plate 3004 is arranged on the front side of the base plate, and a avoidance notch corresponding to the first suction disc is arranged on the suction disc positioning plate. The third power in the embodiment adopts a motor, the rotating plate is connected with an output shaft of the motor, the motor drives the rotating plate to rotate, the fourth power adopts an air cylinder, and the shaft end of the air cylinder is connected with the folding plate through a driving arm 3022, so that the folding plate is driven to rotate.
The initial state of the unpacking mechanism is shown in fig. 6, when the unpacking mechanism unpacks, the first suction box component and the second suction box component are simultaneously close to the box blank at the rear end of the box blank conveying line, the first suction box component sucks the rear side surface of the box blank, the second suction box component is attached to the left side surface of the box blank, the pressing plate moves to a limiting state (the pressing plate presses the box blank at the front side of the sucked box blank to limit), the baffle rotates to a releasing state, the unpacking mechanism sucks the box blank and separates the box blank from the box blank conveying line, the baffle is restored to a blocking state, the second suction box component rotates to the unpacking state (or approaches the unpacking state) from the initial state and sucks the left side surface of the box blank, at the moment, the left side surface and the rear side surface of the box blank are unfolded to be in a vertical state, then the first folding page component rotates to the folding state from the vertical state, at the left lower page piece of the box blank is folded, at the moment, the substrate, the rotating plate and the folding plate are in a two-to-two mutually vertical state shown in fig. 7, and the rear side surface, the left page piece and the left page piece are mutually vertical.
As shown in fig. 9 and 10, the box conveying line 2 includes two sets of box conveying belts 22 distributed laterally, when the opened box enters the box conveying belts, the box conveying belts contact with two sides of the box and convey the box, the second folding assembly 20 includes a folding guide plate 200 located in the middle of the front end of the box conveying line and a fifth power 201 driving the folding guide plate to reciprocate reversely along the box conveying line, the folding guide plate is an arc-shaped plate, the arc surface of the folding guide plate faces the front end of the box conveying line, the fifth power in the embodiment is an air cylinder, and when the box opening transfer mechanism moves the box close to the second folding assembly, the fifth power drives the folding guide plate to stretch out in the opposite direction of the box conveying line, so that the lower sheet on the right side of the bottom of the box is folded.
The bottom cover folding mechanism 21 comprises two sets of roller assemblies 210 which are rotatably arranged below two sides of the box conveying line and two sets of sixth power 211 which drive the two sets of roller assemblies to synchronously rotate, wherein the roller assemblies are provided with a bottom cover folding state which synchronously rotates inwards to a horizontal cover folding position and a separating state which synchronously rotates outwards to be separated from the bottom cover, and when the box enters a position between the two sets of roller assemblies, the roller assemblies inwards rotate to the bottom cover state under the action of the sixth power so as to fold the bottom cover at the bottom of the box. Specifically, the roller assembly 210 includes a roller frame 2100, a row of rollers 2101 rotatably disposed on the roller frame, connecting brackets 2102 connected to the box conveying line are disposed at two ends of the roller frame, the roller frame is rotatably connected to the connecting brackets, lugs 2103 are fixedly disposed on the roller frame, and an output end of the sixth power is rotatably connected to the lugs, where the sixth power in this embodiment adopts an air cylinder.
The box conveying line 2 has box supporting assembly 23 in the position between the two roller assemblies, the box supporting assembly 23 includes box supporting plate 230 and box supporting power 231 to drive the box supporting plate to move up and down, the box supporting power 231 is cylinder, the front end of the box supporting plate is connected to the back end of the folding guide plate 200, when two lower sheets in the bottom of the box are folded, the bottom of the lower sheets is connected to the top of the box supporting assembly, and the sixth power drives the roller assemblies to rotate to fold the bottom cover.
In order to prevent clamping stagnation between a folded lower sheet on the left side of a box and the box conveying line when the box enters the box conveying line, the box opening mechanism is used for opening the box when the lower sheet on the left side of the box is positioned on the folding guide plate and stably supported on the folding guide plate, then the folding guide plate and the box move together along the direction of the box conveying line, specifically, the rear end of the folding guide plate is provided with a butt joint groove, when fifth power is in a retracted state, the front end of the box supporting plate stretches into the butt joint groove to butt joint, when the box moves to be close to a second folding assembly, the fifth power drives the folding guide plate to stretch out to the opposite direction of the box conveying line to fold the lower sheet on the right side of the bottom of the box, the box continues to move along the direction of the box conveying line, when the lower sheet on the left side of the box is positioned on the folding guide plate and stably supported on the folding guide plate, then the folding guide plate and the box moves along the direction of the box guide plate together, the folding guide plate stops when the rear end of the folding guide plate is in an initial state, and the lower sheet continues to move along the cambered surface of the folding guide plate and directly enters the box supporting plate to butt joint with the box supporting plate.
As shown in fig. 11, a cover plate 24 for limiting the upper end of the box body is arranged on the upper side of the box body conveying line 2, a cover plate seat 240 is arranged on the cover plate, two ends of the cover plate seat are connected with the frame through guide rods 241, two ends of the cover plate seat are in sliding connection with the guide rods, a screw rod 242 parallel to the guide rods and a motor 243 for driving the screw rod to rotate are also arranged on the cover plate seat, the screw rod penetrates through the cover plate seat to form threaded connection with the cover plate seat, and the height of the cover plate can be automatically adjusted by driving the screw rod through the motor so as to meet the use requirements of the box bodies of different types.
The front end of the cover plate 24 corresponds to the rear end position of the box blank conveying line, a blocking needle 244 is arranged at the position, facing the rear end position of the box blank conveying line, of the front end of the cover plate, and is configured to be capable of being movably adjusted, so that the position of the blocking needle corresponds to a gap between an upper cover and an upper page piece at the upper end of the box blank, specifically, the blocking needle is arranged on a sliding seat, the sliding seat is in sliding connection with a rail, and the sliding seat is connected with the sliding seat through a motor and a screw rod, so that the position of the blocking needle can be automatically adjusted.
In some embodiments, the width between the conveyor line brackets 11 in the box blank conveyor line can be adjusted according to the actual size of the box blank, and in the same way, the width between the box conveyor belts 22 in the box body conveyor line can also be automatically adjusted according to the box size so as to adapt to the box blank unpacking of different types, the automatic adjustment of the conveyor line width can be realized only by inputting the box size parameters by adopting the structure of a motor and a double-head screw and matching with the automatic control adjustment of a program, and the mechanism and the control mode for adjusting the conveyor line width are conventional technologies in the conveyor line field and are not developed in the application.
The application method of the vertical box unpacking machine comprises the following steps:
S1, storing a box blank 9 (the box blank in the state A in FIG. 14) on a box blank conveying line, blocking the box blank at the rearmost end by a baffle plate in a box blank limiting mechanism, blocking and limiting the bottom of the box blank at the rearmost end by a limiting convex strip on a supporting limiting piece, and elastically pressing the box blank at the foremost end by a push plate assembly;
S2, the mechanical arm drives the first suction box assembly to move to the box blank at the rearmost end, at the moment, the pressing plates are mutually close to press some box blanks at the front side of the rearmost end, and the baffle plates synchronously rotate to a release state;
S3, the first suction box assembly sucks the rear side surface of the box blank, the second suction box assembly in an initial state is attached to the left side surface of the box blank, and in the process that the first suction box assembly drives the box blank to be separated from the box blank conveying line, the second suction box assembly rotates to a box opening state (or is close to the box opening state) and sucks the left side surface of the box blank, so that the rear side surface and the left side surface of the box blank are in a vertical state (at the moment, the box body is in a B state in FIG. 14), and then the first folding assembly rotates to a folding state, so that a lower sheet on the left side is in a folding state (at the moment, the box body is in a C state in FIG. 14);
S4, the mechanical arm drives the box body to move towards the direction of the box body conveying line, when the lower sheet on the right side of the box body is close to the second folding assembly, the fifth power drives the folding guide plate to extend to fold the lower sheet on the right side (the box body is in the D state in fig. 14 at the moment), the box body continues to move along the direction of the box body conveying line, when the lower sheet on the left side of the box body is positioned on the folding guide plate and stably supported, the box opening mechanism releases the box body, the folding guide plate and the box body move together along the direction of the box body conveying line, the folding guide plate stops when moving to an initial state, the rear end of the folding guide plate is in butt joint with the front end of the box supporting plate, and the bottom of the box body enters the box body conveying line along the folding guide plate;
S5, the box body moves to the bottom cover folding mechanism along the box body conveying line, the box supporting plate in the ascending state is abutted against the two folded lower sheets, then the sixth power drives the roller assembly to rotate to the bottom cover folding state, and the two bottom covers are folded (at the moment, the box body is in the D state in fig. 14), so that the whole box opening operation is completed.
In the bottom cover folding process, the box supporting plate descends, then the box body leaves the bottom cover folding mechanism to enter a box sealing station, the two groups of rollers rotate to be in a separated state, the box supporting plate ascends to be in an initial state again, and the box body can be used by bonding the lap joint parts of the two bottom covers at the bottom of the box body through adhesive tapes at the box sealing station.
The vertical box opening machine has the advantages of stable and compact overall structure, simple box opening action and better box opening quality.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the upper, lower, left, right, inner, outer, one end, the other end, etc. are based on the orientations or positional relationships shown in the drawings, and are merely for the purpose of more clearly describing the technical solution of the present invention, and are not meant to indicate or imply that the device or element to be referred to must be provided with a specific direction, be configured and operated in a specific orientation, and should not be construed as limiting the present invention.
Although specific embodiments of the invention have been described in detail herein, they are presented for purposes of illustration only and are not to be construed as limiting the scope of the invention. Various substitutions, alterations, and modifications can be made without departing from the spirit and scope of the invention.
Claims (18)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210503422U (en) * | 2019-08-07 | 2020-05-12 | 宝钜(中国)儿童用品有限公司 | Horizontal automatic unpacking machine |
| CN219565668U (en) * | 2023-03-17 | 2023-08-22 | 杭州永创智能设备股份有限公司 | Vertical box unpacking machine |
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| CN202072018U (en) * | 2011-05-09 | 2011-12-14 | 上海星派能源科技有限公司 | Solar heat collection tube carton unpacking machine |
| CN212220702U (en) * | 2020-06-01 | 2020-12-25 | 上海松川峰冠包装自动化有限公司 | Vertical case unpacking machine |
| CN213008991U (en) * | 2020-06-22 | 2021-04-20 | 稳健医疗(天门)有限公司 | Automatic carton opening device for cartons |
| CN217295210U (en) * | 2022-04-08 | 2022-08-26 | 深圳拓新包装机械有限公司 | Vertical linear automation equipment of unpacking |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210503422U (en) * | 2019-08-07 | 2020-05-12 | 宝钜(中国)儿童用品有限公司 | Horizontal automatic unpacking machine |
| CN219565668U (en) * | 2023-03-17 | 2023-08-22 | 杭州永创智能设备股份有限公司 | Vertical box unpacking machine |
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