CN219565668U - Vertical box unpacking machine - Google Patents

Abstract

The utility model relates to the technical field of unpacking machines, and discloses a vertical unpacking 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; the front end of the box body conveying line is provided with a second folding assembly, and 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 has an initial state parallel to the first suction box assembly and a box-opening state pivoted to be perpendicular to the first suction box assembly along a vertical axis, and the hinge assembly has a vertical state parallel to the second suction box assembly and a hinge state pivoted to be perpendicular to the second suction box assembly along a horizontal axis. The utility model has the advantages of stable structure, high box opening efficiency and good box opening quality.

Description

Vertical box unpacking machine

Technical Field

The utility model relates to the technical field of box opening machines, in particular to a vertical box opening machine.

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 utility model aims to solve the problems in the prior art, and provides the vertical box opening machine which is stable in structure, high in box opening efficiency and good in box opening quality.

In order to achieve the above purpose, the present utility model 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 for folding a single lower page piece at the bottom of the box body, and a bottom cover folding mechanism 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 page folding assembly arranged on the lower side of the second suction box assembly; the second suction box assembly has an initial state parallel to the first suction box assembly and a box opening state pivoted to be perpendicular to the first suction box assembly along a vertical axis, and the hinge assembly has a vertical state parallel to the second suction box assembly and a hinge state pivoted to be perpendicular to the second suction box assembly along a horizontal axis.

The box blank can be opened into a cuboid state through one 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 folding mechanism, and finally the two bottom covers are folded through the bottom cover folding mechanism; the whole structure is stable, the unpacking efficiency is high, and the unpacking quality is good.

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 plate is in a separation state, the baffle is in a blocking state for blocking the box blank at the rearmost end; when the pressing plates are close to each other to press the box blank, the baffle plates synchronously rotate 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, and the other end of the connecting arm is rotationally connected with the pressing plate; when the pressing plate moves from the separation state to the limit state, the connecting arm drives the baffle plate to rotate from the blocking state to the 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 perform intermittent motion; 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.

Preferably, the first suction box assembly comprises a base plate connected with the manipulator and a plurality of first suction cups arranged on the base plate; the second suction box assembly comprises a rotating plate and a plurality of second suction cups, wherein the rotating plate is positioned on one side of the base plate and is driven to rotate by third power; the first hinge assembly comprises a hinge plate rotationally connected with the lower side of the rotating plate and fourth power for driving the hinge 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 for transversely adjusting the position of the first sucking disc, wherein at least one first sucking disc is arranged in the long slot and is locked by a fastener; the front side of base plate is equipped with parallel sucking disc locating plate, be equipped with on the sucking disc locating plate and dodge the breach corresponding with first sucking disc.

Preferably, the box body conveying line and the box blank conveying line are vertically distributed, the front end of the box body conveying line is connected with the rear end of the box blank conveying line through a rack, and the unpacking transfer mechanism is arranged on the rack; the box conveying line comprises two groups of box conveying belts which are laterally distributed, and when the box after opening the box enters the box conveying belts, the box conveying belts are contacted with two sides of the box and convey the box.

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 rotatably arranged below two sides of the box body conveying line and two groups of sixth power for driving the two groups of roller assemblies to synchronously rotate; the roller assembly has a bottom cover folding state of synchronously rotating inwards to a horizontal cover folding position and a separation state of synchronously rotating outwards to a separation state from the bottom cover;

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; the roller frame is characterized in that connecting brackets connected with the box conveying line are arranged at two ends of the roller frame, the roller frame is rotationally connected with the connecting brackets, swing arms are fixedly arranged on the roller frame, and the output end of sixth power is rotationally 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 leaves at the bottom of the box body are folded, the box supporting plate in a rising state is abutted with the folded lower leaves; and then, the sixth power drives the roller assembly to rotate to a 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.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

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 figure: the 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 guy rope 132, a guy rope rolling 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 line 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 utility model more apparent, the present utility model 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 utility model.

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, in the case blank 9 (case), the largest rectangle is shown as a rear side 900, the side opposite to the rear side is a front side, the left side of the rear side is a left side 901, the side opposite to the left side is a right side, the side connected below the left side and the right side is a lower sheet 902, the side connected above the left side and the right side is an upper sheet 903, the side connected below the front side and the rear side is a bottom cover 904, and the side connected above the front side and the rear side is a top cover 905. For the box blank conveying line and the box body conveying line, the front end of the conveying line is an input end, and the rear end of the conveying line is an output end; when the box blanks are stored on the box blank conveying line, the rear side faces of the box blanks face the rear end of the box blank conveying line.

The vertical box unpacking machine as shown in fig. 1-10 comprises a box blank conveying line 1, wherein the box blank conveying line is used for storing and conveying vertical box blanks 9, and 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 the box body after the box is opened, the front end of the box body conveying line is provided with a second folding assembly 20 for folding a single lower page piece at the bottom of the box body, and a bottom cover folding mechanism 21 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 unpacking 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 unpacking transfer mechanism 3 comprises a unpacking mechanism 30 for unfolding box blanks and a manipulator 31 for driving the unpacking mechanism to reciprocate between the box blank conveying line and the box body conveying line;

the box body conveying line 2 and the box blank conveying line 1 are vertically distributed, the front end of the box body conveying line is connected with the rear end of the box blank conveying line through a frame 4, one end of a manipulator 31 in the unpacking transfer mechanism is arranged on the frame, and the other end of the manipulator is connected with the unpacking 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 hinge assembly 302 arranged on the lower side of the second suction box assembly; the second suction box assembly 301 has an initial state parallel to the first suction box assembly and a box-opening state pivoted to be perpendicular to the first suction box assembly along a vertical axis, and the hinge assembly has a vertical state parallel to the second suction box assembly and a hinge state pivoted to be perpendicular to the second suction box assembly along a 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 the 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 the box blank, 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, and 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 plate 100 is in the separated state, the baffle 102 is in a blocking state of blocking the rearmost box blank; when the pressing plates are close to each other to press the box blank, the baffle plates synchronously rotate to a release 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 plate 102, the first pivot is mounted on the conveying line bracket 11 through a pivot frame 104, a connecting arm 105 is arranged between the outer end of the baffle plate 102 and the pressing plate 100, one end of the connecting arm is rotationally connected with the baffle plate, and the other end of the connecting arm is rotationally connected with the pressing plate; when the shaft end of the first power extends to drive the pressing plate to extend 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 make intermittent movement; 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, releasing one box blank at the rearmost end each time and taking the box blanks away by the box opening mechanism, pressing and positioning other box blanks by a pressing plate, and rotating a baffle to a blocking state after the box blank at the rearmost end is taken away, wherein the intermittent driving mechanism drives the box blank conveying belt to move backwards for a certain displacement; in some embodiments, an inductor for detecting the box blanks is arranged at the rear end of the box blank conveying belt, when the inductor detects that the box blanks are taken away (the box blanks are lack), the intermittent driving mechanism drives the box body conveying belt to move backwards for a certain section of position, so that the box blanks move to the baffle plate, at the moment, the inductor senses the existence of the box blanks, and the box blank conveying belt stops moving, so that the whole box blank conveying process is more stable and reliable; meanwhile, the push plate assembly moves forwards for a section under the action of the elastic inhaul cable, and the box blank at the forefront end is kept to be pressed.

As shown in fig. 6 to 8, the first suction box assembly 300 includes a base plate 3000 connected to a robot, a plurality of first suction cups 3001 provided 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, and a plurality of second suction cups 3012 arranged on the rotating plate; first tucker assembly 302 includes a tucker blade 3020 rotatably coupled to the underside of the rotating blade, a fourth power 3021 driving the tucker blade to rotate; the base plate 3000 is provided with at least one long slot 3002 for transversely adjusting the position of the first suction cup, wherein at least one first suction cup is arranged in the long slot and locked by a fastener 3003, the front side of the base plate is provided with a parallel suction cup positioning plate 3004, the suction cup positioning plate is provided with an avoidance gap corresponding to the first suction cup, and the first suction cup is moved and positioned in the long slot to change the distribution mode of the first suction cup so as to adapt to the suction of box blanks of different types. The third power in the embodiment adopts a motor, the rotating plate is connected with an output shaft of the motor, and the motor drives the rotating plate to rotate; the fourth power adopts a cylinder, and the shaft end of the cylinder is connected with the folding plate through a driving arm 3022, so as to drive the folding plate 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 which are laterally distributed, and when the unpacked 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 comprises a folding guide plate 200 positioned at the middle position of the front end of the box conveying line and a fifth power 201 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; the fifth power in this embodiment is the cylinder, and when the transfer mechanism of unpacking removes the box to be close to the second and fold page or leaf subassembly, the fifth power drives the baffle of folding paper and stretches out to the opposite direction of box transfer chain for the lower page or leaf piece on bottom right side of the box is folded.

The bottom cover folding mechanism 21 comprises two groups of roller assemblies 210 which are rotatably arranged below two sides of the box conveying line and two groups of sixth power 211 which drive the two groups of roller assemblies to synchronously rotate; the roller assembly has a bottom cover folding state of synchronously rotating inwards to a horizontal cover folding position and a separating state of synchronously rotating outwards to be separated from the bottom cover; when the box body enters a position between the two sets of roller assemblies, the roller assemblies are rotated inwards to the bottom cover state under the action of sixth power, and then the bottom cover at the bottom of the box body is folded. Specifically, roller assembly 210 includes a roller housing 2100, a row of rollers 2101 rotatably disposed on the roller housing; the both ends of roller frame are equipped with the linking bridge 2102 that is connected with the box transfer chain, and the roller frame rotates with the linking bridge to be connected, has set firmly tab 2103 on the roller frame, and the output and the tab rotation of sixth power are connected, and the sixth power in this embodiment adopts the cylinder.

The bottom of the box conveying line 2 is provided with a box supporting assembly 23 at a position between the two groups of roller assemblies, the box supporting assembly 23 comprises a box supporting plate 230 and box supporting power 231 for driving the box supporting plate to move up and down, the box supporting power 231 adopts an air cylinder, and the front end of the box supporting plate is in butt joint with the rear end of the folding guide plate 200; when the box body enters the position of the box supporting assembly after the two lower leaves at the bottom of the box body are folded, the bottom surfaces of the lower leaves are in butt joint with the top surface of the box supporting plate (the initial state of the box supporting plate is in the ascending state), and then the sixth power drives the roller assembly to rotate to the bottom cover folding state, and the box supporting plate descends to be separated from the lower leaves in the bottom cover folding process.

In order to prevent clamping stagnation between the folded lower sheet on the left side of the box and the box conveying line when the box enters the box conveying line, in the utility model, the front end of the box supporting plate 230 is directly butted with the rear end of the folding guide plate, in particular, the rear end of the folding guide plate is provided with a butting groove, and when the fifth power is in a retraction state, the front end of the box supporting plate stretches into the butting groove to be butted; when the box body moves 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 to fold the lower page piece on the right side of the bottom of the box body, the box body continues to move along the direction of the box body conveying line, when the lower page piece on the left side of the box body is positioned on the folding guide plate and is stably supported, the box opening mechanism releases the box body, then the folding guide plate and the box body move along the direction of the box body conveying line together, 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 box supporting plate, and the lower page piece on the left side of the box body continues to move along the cambered surface of the folding guide plate and directly enters the box supporting plate to be in 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, and two ends of the cover plate seat are connected with the rack through guide rods 241; the two ends of the cover plate seat are in sliding connection with the guide rods, the cover plate seat is also provided with a screw rod 242 parallel to the guide rods and a motor 243 for driving the screw rod to rotate, the screw rod penetrates through the cover plate seat and is in threaded connection with the cover plate seat, and the motor drives the screw rod to automatically adjust the height of the cover plate so as to meet the use requirements of boxes 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, the blocking needle is configured to be capable of movably adjusting the 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, specifically, the blocking needle is arranged on a sliding seat, the sliding seat is in sliding connection with a rail, and the blocking needle 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; when the box blank is absorbed by the first box absorbing assembly and pulled backwards, the baffle plays a role in blocking the other upper cover on the box blank, and further the two upper covers are assisted to be pulled open and separated, so that the box opening operation is facilitated.

In some embodiments, the width between the conveying line brackets 11 in the box blank conveying line can be adjusted according to the actual size of the box blank, and in the same way, the width between the box conveying belts 22 in the box conveying line can also be automatically adjusted according to the box size so as to adapt to the use of box blanks with different models for unpacking, and the automatic adjustment can be realized by adopting the structure of a motor and a double-head screw rod and matching with the automatic control and adjustment of a program, and only the input of the box size parameters is needed; the mechanism and the control mode for adjusting the width of the conveying line are conventional technology in the conveying line field, and are not described in detail in the utility model.

The use method of the vertical box opener 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 a separation state, and the box supporting plate ascends to an initial state again; and bonding the lap joint of the two bottom covers at the bottom of the box body through an adhesive tape at the box sealing station, so that the box body can be used.

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 utility model, 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 utility model, 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 utility model.

Although specific embodiments of the utility model 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 utility model. Various substitutions, alterations, and modifications can be made without departing from the spirit and scope of the utility model.

Claims (17)

1. A vertical box opening machine is characterized by comprising

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 for folding a single lower page piece at the bottom of the box body, and a bottom cover folding mechanism 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 page folding assembly arranged on the lower side of the second suction box assembly; the second suction box assembly has an initial state parallel to the first suction box assembly and a box opening state pivoted to be perpendicular to the first suction box assembly along a vertical axis, and the hinge assembly has a vertical state parallel to the second suction box assembly and a hinge state pivoted to be perpendicular to the second suction box assembly along a horizontal axis.

2. The vertical box unpacking machine according to claim 1, wherein 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, the box blank limiting mechanisms comprise two groups, 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 plate is in a separation state, the baffle is in a blocking state for blocking the box blank at the rearmost end; when the pressing plates are close to each other to press the box blank, the baffle plates synchronously rotate to a release state.

3. The vertical box opener according to claim 2, wherein a first pivot which is vertically distributed is arranged in the middle 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, and the other end of the connecting arm is rotationally connected with the pressing plate; when the pressing plate moves from the separation state to the limit state, the connecting arm drives the baffle plate to rotate from the blocking state to the release state.

4. The vertical unpacking machine according to claim 2, wherein the conveying line support is provided with a push plate assembly, the push plate assembly is slidably connected 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.

5. The vertical type box unpacking machine according to claim 2, wherein one end of the box blank conveying belt is provided with an intermittent driving mechanism for driving the box blank conveying belt to make intermittent motion; 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.

6. The vertical box unpacking machine according to claim 5, wherein 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 second power for driving the swing arm to swing in a reciprocating mode is arranged at the outer end of the swing arm.

7. The vertical box unpacking machine according to claim 2, wherein a supporting and limiting piece for supporting the box blank and limiting the bottom of the box blank at the rearmost end is arranged on the side face of the rear end of the box blank conveying belt, a supporting surface which is horizontally distributed is arranged on the supporting and limiting piece, and a limiting convex strip is arranged at the rear end of the supporting surface.

8. The vertical box unpacking machine according to claim 1, wherein the first suction box assembly comprises a base plate connected with a manipulator and a plurality of first suction cups arranged on the base plate; the second suction box assembly comprises a rotating plate and a plurality of second suction cups, wherein the rotating plate is positioned on one side of the base plate and is driven to rotate by third power; the first hinge assembly comprises a hinge plate rotationally connected with the lower side of the rotating plate and fourth power for driving the hinge 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.

9. The vertical box opener according to claim 8, wherein the base plate is provided with at least one long slot for transversely adjusting the position of the first suction disc, and at least one first suction disc is arranged in the long slot and locked by a fastener; the front side of base plate is equipped with parallel sucking disc locating plate, be equipped with on the sucking disc locating plate and dodge the breach corresponding with first sucking disc.

10. The vertical unpacking machine according to claim 1, wherein the box body conveying line and the box blank conveying line are vertically distributed, the front end of the box body conveying line is connected with the rear end of the box blank conveying line through a frame, and the unpacking transfer mechanism is arranged on the frame; the box conveying line comprises two groups of box conveying belts which are laterally distributed, and when the box after opening the box enters the box conveying belts, the box conveying belts are contacted with two sides of the box and convey the box.

11. The vertical box opener according to claim 1, wherein the second folding assembly comprises a folding guide plate positioned in the middle of the front end of the box conveying line and a fifth power for driving the folding guide plate to reciprocate reversely along the box conveying line, and 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.

12. The vertical box opener according to claim 1, 10 or 11, wherein the bottom cover folding mechanism comprises two sets of roller assemblies rotatably arranged below two sides of the box conveying line, and two sets of sixth power for driving the two sets of roller assemblies to rotate synchronously; the roller assembly has a bottom cover folding state of synchronously rotating inwards to a horizontal cover folding position and a separation state of synchronously rotating outwards to a separation state from the bottom cover;

when the box body enters a position between the two sets of roller assemblies, the roller assemblies are rotated inwards to the bottom cover state under the action of sixth power, and then the bottom cover at the bottom of the box body is folded.

13. The vertical box opener according to claim 12, wherein the roller assembly comprises a roller frame, a row of rollers rotatably disposed on the roller frame; the roller frame is characterized in that connecting brackets connected with the box conveying line are arranged at two ends of the roller frame, the roller frame is rotationally connected with the connecting brackets, swing arms are fixedly arranged on the roller frame, and the output end of sixth power is rotationally connected with the swing arms.

14. The vertical box opener according to claim 12, wherein 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 leaves at the bottom of the box body are folded, the box supporting plate in a rising state is abutted with the folded lower leaves; and then, the sixth power drives the roller assembly to rotate to a bottom cover folding state.

15. The vertical box unpacking machine according to claim 12, wherein 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.

16. The vertical box opener according to claim 15, wherein the two ends of the cover plate seat are slidably connected with the guide rod, the cover plate seat is further 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.

17. The vertical box opener according to claim 15, wherein the front end of the cover plate corresponds to the rear end of the box blank conveying line, and a blocking needle is provided at the front end of the cover plate toward the rear end of the box blank conveying line, and the blocking needle is configured to be movably adjusted in position such that

The position of the blocking needle corresponds to the gap between the upper cover and the 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.