CN220997026U

CN220997026U - Box opening folding machine

Info

Publication number: CN220997026U
Application number: CN202322590235.8U
Authority: CN
Inventors: 罗邦毅; 汪雷春; 周子强
Original assignee: Zhejiang Yongchuang Machinery Co ltd; Hangzhou Youngsun Intelligent Equipment Co Ltd
Current assignee: Zhejiang Yongchuang Machinery Co ltd; Hangzhou Youngsun Intelligent Equipment Co Ltd
Priority date: 2023-09-22
Filing date: 2023-09-22
Publication date: 2024-05-24
Anticipated expiration: 2033-09-22

Abstract

The utility model relates to the technical field of unpacking machines, and discloses a unpacking folding machine, which comprises a box blank storage mechanism, wherein at least two box blank stations for storing different box blanks are arranged; the folding mechanism is used for folding the sheets at the bottom of the opened box body; the box opening transfer mechanism is arranged and comprises a box opening assembly and a manipulator; the folding mechanism comprises two box conveying belts with adjustable width and a liftable pressing plate, a front folding assembly and a rear folding assembly are arranged at the front end of the box conveying belts, and a side folding mechanism is arranged at the lower side of the box conveying belts; after the unpacking assembly absorbs a box blank, the unpacking assembly spreads the box blank and transfers the box blank onto the box conveying belt through the manipulator, front sheets, rear sheets and two side sheets at the bottom of the box are folded in sequence, and then the box is output from the rear end of the box conveying belt. The utility model has the beneficial effects of being applicable to the unpacking of various box blanks with different types and having strong universality.

Description

Box opening folding machine

Technical Field

The utility model relates to the technical field of box opening machines, in particular to a box opening folding 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 9 just produced by the carton is sheet-shaped (the box blank is shown as a state A in fig. 17), the unfolded box body 10 is shown as a state B in fig. 17, the box body generally comprises four main side faces (a front side face, a rear side face, a left side face and a right side face respectively), the sheet corresponding to the front side face at the bottom of the box body is a front sheet 100, the sheet corresponding to the rear side face is a rear sheet 101, the sheet corresponding to the left side face and the right side face is a side sheet 102, the box body after being unpacked is in a cuboid state shown as a state E in fig. 17 after being folded, and finally the sealing of the box bottom is stuck through adhesive tapes, so that the box body can be used for packaging articles.

Because the types of the box body are various, the conventional box unpacking machine can only be used for unpacking and folding one box blank, and has poor universality.

Disclosure of utility model

The utility model provides the unpacking folding machine which can be suitable for various box blanks and has strong universality.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a folding machine for opening boxes comprises

The box blank storage mechanism is provided with at least two box blank stations for storing different box blanks;

the folding mechanism is used for folding the sheets at the bottom of the opened box body; and

The unpacking transfer mechanism comprises a unpacking assembly for sucking the box blanks and opening the box blanks and a manipulator for driving the unpacking assembly to move between a box blank station and the folding mechanism;

The folding mechanism comprises two box conveying belts with adjustable width and a liftable pressing plate arranged at the upper side of the box conveying belts, wherein a front folding assembly and a rear folding assembly are arranged at the front ends of the box conveying belts, and a side folding mechanism is arranged at the lower side of the box conveying belts;

After the mechanical arm drives the box opening assembly to absorb a box blank at the box blank station, the box opening assembly expands the box blank into a box body and transfers the box body to the box body conveying belt through the mechanical arm, front blades, rear blades and two side blades at the bottom of the box body are folded in sequence, and then the box body is output from the rear end of the box body conveying belt.

Preferably, the box blank stations are arranged on the frame, each box blank station is internally provided with two box blank conveying belts which are distributed in parallel and intermittently move, and a box pushing assembly which is intermittently moved and used for supporting box blanks is arranged between the box blank conveying belts;

The box blank limiting assembly is positioned at the output end of the box blank conveying belt in each station and used for blocking and limiting the edges of the box blanks; when the box blank conveying belt needs to convey box blanks, the box pushing assembly and the box blank conveying belt synchronously move.

Preferably, the box blank limiting assembly comprises a lower limiting piece arranged at the output end of the box blank conveying belt and an upper limiting piece arranged on the upper side of the lower limiting piece, and the upper limiting piece is configured to be adjustable in height and limited.

Preferably, the output end of the box blank conveying belt is also provided with a box blocking assembly, and the box blocking assembly comprises a baffle plate and first power for driving the baffle plate to lift;

The upper side of the baffle box assembly is provided with a pressing box assembly, and the pressing box assembly comprises a second power for driving the pressing plate to lift by the pressing plate;

The upper limiting piece and the pressing box assembly are arranged on the cross beam, and the cross beam is configured to be capable of lifting up and down and being positioned at any position.

Preferably, the width between the two box blank conveyors in each box blank station is configured to be adjustable.

Preferably, the box opening assembly comprises a first suction box assembly connected with the manipulator, a second suction box assembly rotationally connected with the first suction box assembly, and box opening power for driving the second suction box assembly to rotate;

The second suction box assembly is in an initial state parallel to the first suction box assembly and rotates to an opening state perpendicular to the first suction box assembly under the action of opening power;

When the second suction box assembly is in an initial state, the box opening assembly sucks a box blank from the box blank station, the second suction box assembly rotates to a box opening state, and the box blank is unfolded to be a box body and then is sucked and positioned by the second suction box assembly.

Preferably, the substrate is configured into three adsorption areas, namely a main adsorption area, a lateral expansion adsorption area positioned at one lateral side of the main adsorption area and a longitudinal expansion adsorption area positioned at one longitudinal side of the main adsorption area; at least three first suckers of the main adsorption zone are arranged, and at least one first sucker of the transverse expansion adsorption zone and one first sucker of the longitudinal expansion adsorption zone are arranged.

Preferably, the side folding mechanism comprises two groups of side folding assemblies which are correspondingly arranged at the lower sides of the two box conveying lines and third power which drives the side folding assemblies to rotate, the side folding assemblies comprise roller frames and a row of rollers which are rotatably arranged on the roller frames, the rotation directions of the rollers are consistent with the directions of the box conveying belts, mounting plates are arranged at the two ends of the roller frames, the roller frames are rotatably connected with the mounting plates, and the mounting plates are connected with the bottoms of the corresponding box conveying lines.

Preferably, the front folding assembly comprises a bracket and an arc-shaped guide plate fixedly arranged at the upper end of the bracket, the rear folding assembly is arranged at the front end of the bracket and comprises a folding pressing plate, a swing arm fixedly connected with the folding pressing plate in a rotating manner and a fourth power for driving the swing arm to rotate.

Because, the utility model has the beneficial effects of applicability to the unpacking of various box blanks with different types and strong universality.

Drawings

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

Fig. 2 is a schematic structural view of the tank mechanism.

FIG. 3 is a schematic view of the structure of a single tank station.

Fig. 4 is a partial exploded view of a tank station.

Fig. 5 is an exploded view of the tote assembly and conveyor belt.

FIG. 6 is a schematic illustration of the connection of the upper box assembly to the cross beam.

Fig. 7 is a schematic diagram showing a state in which the box blank is grasped by the unpacking transfer mechanism.

Fig. 8 is a schematic diagram of the state after the unpacking of the unpacking transfer mechanism.

Fig. 9 is a schematic structural view of the unpacking assembly.

Fig. 10 is an exploded view of the unpacking assembly.

Fig. 11 is an open (large box) state diagram of the open box assembly.

Fig. 12 is an open (small box) state diagram of the open box assembly.

Fig. 13 is a schematic structural view of the folding mechanism.

Fig. 14 is a partial exploded view of the folding mechanism.

Fig. 15 is a schematic structural view of the case conveyor belt.

Fig. 16 is a schematic structural view of the platen.

Fig. 17 is a diagram showing a case blank unpacking and folding state change.

In the figure: the box blank storage mechanism 1, the frame 11, the guide rail 110, the box blank conveying belt 12, the second sliding seat 120, the second locking piece 121, the driving belt 13, the sliding rail 130, the hole 131, the connecting seat 132, the first sliding seat 133 and the first locking piece 134;

The box pushing assembly 14, the sliding seat 140, the connecting assembly 141, the positioning piece 142, the plug-in column 143, the upright 1401, the push rod 1402 and the sliding sleeve 1403;

The box blank limiting assembly 4, the lower limiting piece 40, the lower convex strip 400, the upper limiting piece 41, the upper convex strip 410, the box blocking assembly 17, the baffle 170, the first power 171, the box pressing assembly 18, the pressing plate 180, the second power 181, the cross beam 186, the longitudinal guide 187, the intermittent driving assembly 19, the driving arm 190, the cylinder 191 and the one-way bearing 192;

The box opening transfer mechanism 2, the box opening assembly 20, the first suction box assembly 200, the first sucking disc 2000, the base plate 2001, the mounting seat 2002, the first supporting plate 2003, the second suction box assembly 201, the second sucking disc 2010, the connecting plate 2011, the rotating seat 2012, the second supporting plate 2013, the box opening power 202, the manipulator 21, the main suction area 200-1, the lateral expansion suction area 200-2 and the longitudinal expansion suction area 200-3;

Folding mechanism 3, box conveyer 30, limiting plate 31, front folding assembly 32, bracket 320, arc-shaped guide plate 321, rear folding assembly 33, folding press plate 330, swing arm 331, fourth power 332, arc surface 333, side folding mechanism 34, side folding assembly 340, roller frame 3400, roller 3401, mounting plate 3402, connecting arm 3403, third power 341, guide plate 342, slide bar 30-1, slide block 30-2, transmission shaft 30-3, transmission belt 30-4, motor 30-5, lifting bracket 31-1, vertical guide rail 31-2, vertical transmission belt 31-3, lifting motor 31-4; the box supporting assembly 35, the box supporting plate 350, the fifth power 351, the box body righting assembly 36, the limit baffle 360 and the sixth power 361;

box blank 9, box 10, front sheet 100, rear sheet 101, side sheet 102.

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.

1-17, A box opening folding machine comprises a box blank storage mechanism 1, at least two box blank stations for storing different box blanks are arranged; the folding mechanism 3 is used for folding the leaves at the bottom of the opened box body; the unpacking transfer mechanism 2 is arranged between the box blank storage mechanism 1 and the folding mechanism 3, and the unpacking transfer mechanism 2 comprises a unpacking assembly 20 for sucking box blanks and opening the box blanks, and a manipulator 21 for driving the unpacking assembly to move between a box blank station and the folding mechanism; the folding mechanism 3 comprises two box conveyer belts 30 with adjustable width and a lifting limiting plate 31 arranged at the upper side of the box conveyer belts, a front folding assembly 32 and a rear folding assembly 33 are arranged at the front ends of the box conveyer belts 30, and a side folding mechanism 34 is arranged at the lower side of the box conveyer belts; after the manipulator 21 drives the unpacking assembly to suck one box blank 9 at the box blank station, the unpacking assembly 20 expands the box blank into a box body 10 and transfers the box body 10 to the box body conveying belt 30 through the manipulator 21, the front page 100, the rear page 101 and the two side page 102 at the bottom of the box body 10 are folded in sequence, and then the box body 10 is output from the rear end of the box body conveying belt 30. In some embodiments, the manipulator 21 employs a six-axis robot.

As shown in fig. 3 and 5, the box blank storage mechanism 1 comprises a frame 11, box blank stations are arranged in the frame, two box blank conveying belts 12 which are in parallel distribution and intermittently move are arranged in each box blank station, a driving belt 13 is arranged between the two box blank conveying belts 12, and the driving belt 13 is configured to intermittently move; the upper side of the belt 13 is provided with a push box assembly 14 for supporting the rearmost box blank, the push box assembly 14 being configured to slide along the direction of movement of the belt; the push box assembly 14 is detachably connected with the transmission belt 13; the output end of the box blank conveying belt in each box blank station in the frame is positioned on the same side of the frame, and the output end of the box blank conveying belt 12 positioned on the frame 11 is provided with a box blank limiting assembly 4 for limiting the blocking of the edge of the box blank. When the box blank conveying belt needs to convey box blanks, the box pushing assembly and the box blank conveying belt synchronously move to push the box blanks to move forward for a certain displacement.

The two sides of the driving belt 13 are provided with sliding rails 130 which are distributed in parallel with the movement direction of the driving belt, the lower end of the pushing box assembly 14 is provided with a sliding seat 140 which is in sliding connection with the sliding rails, the sliding seat is provided with a connecting assembly 141, and the connecting assembly 141 is detachably connected with the driving belt 13; in particular, the method comprises the steps of,

The driving belt 13 is configured as a chain driving belt, a hole 131 is arranged between adjacent chain links in the chain driving belt, the connecting component 141 is configured as a quick clamp, the clamping end of the quick clamp is provided with a positioning piece 142, and the bottom of the positioning piece is provided with a row of inserting columns 143 which are inserted and matched with the hole; when the handle of the quick clamp is shifted to a clamping state, the plug-in column 143 is inserted into the hole of the chain transmission belt to realize quick connection of the two; when the handle of the quick clamp is shifted to a loosening state, the plug-in column is separated from the chain transmission belt.

In some embodiments, the driving belt 13 may be a synchronous belt, a driving belt or the like, and a plurality of jacks which are the same as or identical to the holes 131 on the chain driving belt are arranged on the driving belt, and the detachable connection of the two is realized through the cooperation of the plug-in posts and the jacks. The quick clamp is obtained by direct purchase in the prior art, and the principle is that the position of the clamping end is changed by pulling a handle on the quick clamp, and the specific structure of the quick clamp is not developed in the application.

The push box assembly 14 includes a column 1401 fixedly mounted on the carriage and a plurality of pushrods 1402 transversely spaced from the column, slidably movable up and down along the column and positionable at any height. Specifically, a sliding sleeve 1403 in sliding connection with the upright post is fixedly arranged at the end part of the push rod 1402, and the sliding sleeve is locked with the upright post through a bolt.

Two guide rails 110 which are horizontally distributed in parallel and perpendicular to the movement direction of the driving belt are fixedly arranged on the frame 11, connecting seats 132 are arranged at two ends of the driving belt 13, a first sliding seat 133 which is in sliding connection with the guide rails is arranged on the connecting seats 132, and a first locking piece 134 which is used for locking with the guide rails is arranged on the first sliding seat; the bottom of at least one of the box blank conveying belts 12 is provided with a second sliding seat 120 which is in sliding connection with the guide rail, and the second sliding seat is provided with a second locking piece 121 which is used for locking with the guide rail. The first locking piece and the second locking piece in the embodiment are bolt handles.

The box blank limiting assembly 4 comprises a lower limiting piece 40 fixedly arranged on the side surface of the output end of the box blank conveying belt 12 and an upper limiting piece 41 arranged on the upper side of the lower limiting piece, wherein the upper end of the lower limiting piece 40 is provided with a lower convex strip 400 for limiting the lower edge of a box blank, and the lower end of the upper limiting piece 41 is provided with an upper convex strip 410 for limiting the upper edge of the box blank; when the box opening assembly does not absorb the box blanks, the box blanks positioned at the output end of the box blank conveying belt are limited by the upper convex strips and the lower convex strips. After the unpacking component absorbs a box blank, the box blank is taken out from the box storage station by the manipulator, and at the moment, the upper edge and the lower edge of the box blank can be pulled out from the upper convex strip and the lower convex strip.

To further improve the limit stability of the blanks at the output end of the blank conveyer belt, in some embodiments, a box blocking assembly 17 is disposed at the front end of the driving belt 13 (i.e. the output end of the blank conveyer belt), where the box blocking assembly 17 includes a baffle 170 and a first power 171 for driving the baffle to lift; the upper side of the baffle box assembly 17 is provided with a press box assembly 18, and the press box assembly 18 comprises a press plate 180 and a second power 181 for driving the press plate to lift; the first power and the second power are both cylinders, the baffle plate ascends to block the lower side of the box blank, the pressing plate descends to press the upper end of the box blank (except for the first box blank positioned at the output end of the box blank conveying belt), when the box opening assembly takes the box blank, the baffle plate descends, after one box blank is taken out, the baffle plate ascends, the pressing plate ascends, when the box blank is required to be conveyed, all the box blanks move forwards for one section displacement through the action of the box blank conveying belt matched with the box pushing assembly, the box blank at the output end of the box blank conveying belt is blocked by the baffle plate, and finally the pressing plate descends to press the box blank.

To accommodate the use of different types of box blanks, in some embodiments, the upper limiting member 41 and the box pressing assembly 18 are arranged on the cross beam 186, two ends of the cross beam are slidably lifted and positioned at any position with the longitudinal guide 187, and the upper limiting member 41 and the box pressing assembly 18 are configured to be slidably connected with the cross beam and positioned at any position; one embodiment of the sliding positioning is a combined structure of the sliding seat and the bolt handle, namely, the sliding seat transversely or longitudinally slides (lifts) and is locked and positioned by the bolt handle after being adjusted to a proper position.

The intermittent motion of the transmission belt 13 is driven by an intermittent driving assembly 19 shown in fig. 5, specifically, one end of the transmission belt 13 is provided with a driving wheel, the other end is provided with a driven wheel, the intermittent driving assembly 19 comprises a driving arm 190 and a cylinder 191, a one-way bearing 192 is arranged between the driving arm and the driving wheel, and the outer end of the driving arm is connected with the cylinder; when the cylinder shaft stretches out and draws back once, the driving arm drives the driving wheel to rotate a preset angle so that the driving belt moves forwards by a preset distance at one end. The intermittent motion driving mode of the box blank conveying belt is realized by an intermittent driving assembly.

Four box blank stations are arranged in the frame in the embodiment, and the height of the upper limiting part 41 and the height of the box pressing assembly 18 are adjusted through adjusting the distance between box blank conveying belts in each box blank station, so that box blanks of different types can be stored and positioned; so as to meet the requirements of the box bodies with different models at the rear end.

As shown in fig. 7-12, the unpacking assembly 20 comprises a first suction box assembly 200 connected with a manipulator, a second suction box assembly 201 rotatably connected with the first suction box assembly, and unpacking power 202 for driving the second suction box assembly to rotate; the second suction box assembly 201 has an initial state parallel to the first suction box assembly and is rotated to an unpacked state perpendicular to the first suction box assembly by an unpacking power; at least three first suckers 2000 distributed in a triangular shape are arranged in the first suction box assembly 200, and the suction surfaces of the first suckers are coplanar; at least two second suckers 2010 are arranged in the second suction box assembly 201, and the suction surfaces of the second suckers are coplanar. When the second suction box assembly is in an initial state, the box opening assembly sucks a box blank from the box blank station, the second suction box assembly rotates to the box opening state, and the box blank is sucked and positioned by the second suction box assembly after being unfolded to be a box body.

The first suction box assembly 200 comprises a base plate 2001 for mounting a first suction cup, and a mounting seat 2002 which is arranged at the rear side of the base plate in parallel and is used for being connected with a manipulator; the second suction box assembly 201 includes a connection plate 2011 rotatably connected to the base plate, and a second suction cup 2010 is mounted on the connection plate 2011; the box opening power 202 is configured as an air cylinder, the air cylinder is arranged at the position between the base plate and the mounting plate, the back surface of the connecting plate 2011 is fixedly provided with a rotating seat 2012, and the shaft end of the air cylinder is rotationally connected with the rotating seat; the front side of the substrate 2001 is fixedly provided with a first supporting plate 2003 which is distributed in parallel with the substrate, and a first avoiding hole is formed in the first supporting plate at a position corresponding to the first sucker; the front side of the connecting plate 2011 is fixedly provided with a second supporting plate 2013 which is distributed in parallel with the connecting plate, and a second avoiding hole is formed in a position, corresponding to the second sucker, of the second supporting plate.

In some embodiments, when the first suction box assembly can stably adsorb box blanks of different types, the first suction cups on the substrate are subjected to grouping control, namely the first suction box assembly is divided into a plurality of adsorption areas, the first suction cups in the different adsorption areas are independently controlled, and the first suction cups of the same adsorption area are synchronously controlled. As shown in fig. 9, the adsorption surface of the first suction box assembly is configured as three adsorption zones, namely a main adsorption zone 200-1, a lateral expansion adsorption zone 200-2 positioned at one lateral side of the main adsorption zone, and a longitudinal expansion adsorption zone 200-3 positioned at one longitudinal side of the main adsorption zone; at least three first suckers of the main adsorption zone are arranged, and at least one first sucker of the transverse expansion adsorption zone and one first sucker of the longitudinal expansion adsorption zone are arranged. Four first suckers of the main suction area in the embodiment are configured, and two first suckers of the lateral expansion suction area are configured; three first suckers of the longitudinal expansion adsorption area are configured; as shown in fig. 11, when the case is large, one face of the case is simultaneously sucked by all the first suction cups of the three suction areas; as shown in fig. 12, when the case is small, one surface of the case is sucked only by all the first suction cups of the main suction area 200-1, and the first suction cups of the lateral expansion suction area and the longitudinal expansion suction area do not work, so that the case can be stably sucked.

The state of the box blank after unpacking is changed from the a state to the B state in fig. 17.

13-16, A box conveying channel is formed between the pressing plate 31 and the box conveying belt 30; the side folding mechanism 34 comprises two groups of symmetrically distributed side folding assemblies 340 and a third power 341 for driving the side folding assemblies to rotate, the side folding assemblies 340 comprise a roller frame 3400 and a row of rollers 3401 rotatably arranged on the roller frame, the rotation direction of the rollers is consistent with the direction of a box conveying belt, mounting plates 3402 are arranged at two ends of the roller frame, the roller frame is rotatably connected with the mounting plates, a connecting arm 3403 is arranged on the roller frame, the third power adopts an air cylinder, and the shaft ends of the air cylinder are connected with the connecting arm; an inclined guide plate 342 is fixedly arranged on the mounting plate facing the front end of the box conveyer belt. In the initial state, the two groups of side folding assemblies are in a vertical state, when the side folding assemblies are required to fold, the third power drives the side folding assemblies to rotate inwards to a horizontal state, at the moment, the lower sides of the two side folding assemblies at the bottom of the box body are abutted with the rollers, and the side folding assemblies are folded along with the rotation of the side folding assemblies.

The front folding assembly 32 comprises a bracket 320 and an arc-shaped guide plate 321 fixedly arranged at the upper end of the bracket, the rear folding assembly 33 is arranged at the front end of the bracket 320, the rear folding assembly 33 comprises a folding pressing plate 330, a swing arm 331 fixedly connected with the folding pressing plate and rotationally connected with the bracket, and a fourth power 332 for driving the swing arm to rotate, and when the rear folding assembly is in an initial state, an arc surface 333 is arranged at the edge of the upper end of the folding pressing plate 330.

As shown in fig. 15, at least two sliding rods 30-1 which are distributed in parallel are arranged between the lower sides of two box conveyer belts 30, and the two ends of the bottom of each box conveyer belt are in sliding connection with the sliding rods through sliding blocks 30-2; the two ends of the sliding rod are respectively provided with a transmission shaft 30-3, a first transmission chain 30-4 is arranged between the transmission shafts, a motor 30-5 is connected to one transmission shaft, a sliding block on one box conveyer belt is fixed to one side of the first transmission chain, a sliding block on the other box conveyer belt is fixed to the other side of the first transmission chain, and when the motor drives the first transmission chain to rotate forwards and reversely, the two box conveyer belts can be mutually close (with reduced distance) or mutually far (with increased distance), so that the use of boxes of different models is met. The side folding assemblies 340 are correspondingly disposed at the lower sides of the case conveyor lines and are connected to the bottoms of the corresponding case conveyor belts through mounting plates 3402, and when the distance between the case conveyor belts is changed, the distances between the two sets of side folding assemblies are also changed in synchronization to adapt to the case.

The lifting of limiting plate 31 can adopt motor lead screw elevating system, also can adopt the elevation structure as shown in figure 16, specifically, set up lifting support 31-1 on the limiting plate 31, lifting support 31-1's tip and perpendicular guide rail 31-2 sliding connection set up through lifting motor 31-4 drive pivoted second drive chain 31-3 between the both ends of perpendicular slide rail, lifting support 31-1 is fixed with one side of second drive chain 31-3, can drive the clamp plate and go up and down when lifting motor drives second drive chain 31-3 rotation to block spacingly to the box upper end of different co-altitude, this kind of lifting means response is more quick, can adapt to quick adjustment demand.

In some embodiments, to further increase the stability of the hinge, a box supporting assembly 35 is provided at a position between the two sets of side hinge assemblies 340, and as shown in fig. 14, the box supporting assembly 35 includes a box supporting plate 350, a fifth power 351 driving the box supporting plate to move up and down, and a front end of the box supporting plate 350 is abutted with the arc-shaped guide plate 321. The third power, the fourth power and the fifth power in the embodiment all adopt cylinders.

When the casing 10 enters the casing conveyance path, the front sheet 100 of the casing is folded by being blocked by the arc-shaped guide plate 321, the folded state of the front sheet is shown as the state C in fig. 17,

The fourth power 332 drives the folding press plate upwards, and the rear page 101 is folded in the rotating process, and the folded state of the rear page is shown as a D state in fig. 17; when the box body enters the side folding assembly, the folded front and rear sheets are supported and limited by the box supporting plate, and then the third power drives the side folding assembly to rotate to a side folding state to synchronously fold the two side sheets 102, and the folded state of the side sheets is shown as an E state in fig. 17. After four leaves at the bottom of the box body are folded, the box body continuously moves along the box body conveying belt, and the bellows core at the bottom of the box body conveying belt is used for sticking adhesive tapes to the joints of the side leaves to realize the box sealing action, wherein the bellows core is an existing part in the box opening machine, and the concrete structure is not unfolded for repeated description.

In some embodiments, a box body righting assembly 36 is arranged at the rear end position of the side folding assembly 34, and the box body righting assembly 36 comprises a limit baffle 360 and a sixth power 361 for driving the limit baffle to lift, wherein the sixth power adopts an air cylinder; after the side sheet 102 of the box is folded and before the adhesive tape, the box moves along the box conveying belt to be blocked and righted with the limit baffle, and then the limit baffle 360 descends and resets, and the box continues to move along the box conveying belt to the bellows core for adhesive tape operation, so that the adhesive tape can be accurately adhered to the lap joint of the side sheet.

The box opening folding machine has the advantages of stable and compact integral structure, capability of opening and folding various box blanks with different types, convenience in use and strong universality.

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

1. A box opening folding machine is characterized by comprising

2. The open box folder as recited in claim 1, wherein the box blank stations are arranged on the frame, each box blank station is provided with two box blank conveying belts which are distributed in parallel and intermittently move, and a box pushing assembly which is intermittently moved and used for supporting box blanks is arranged between the box blank conveying belts;

The box blank limiting assembly is positioned at the output end of the box blank conveying belt in each station and used for blocking and limiting the edges of the box blanks;

when the box blank conveying belt needs to convey box blanks, the box pushing assembly and the box blank conveying belt synchronously move.

3. The open-box folder as recited in claim 2 wherein the box blank limiting assembly comprises a lower limiting member disposed at an output end of the box blank conveyor, an upper limiting member disposed on an upper side of the lower limiting member, the upper limiting member being configured to be height-adjustable and limiting.

4. The open box folder as recited in claim 3 wherein the output end of the box blank conveyor belt is further provided with a box blocking assembly, the box blocking assembly comprising a baffle and a first power for driving the baffle to lift;

5. An open box folder as claimed in claim 2, wherein the width between the two box blank conveyors in each box blank station is configured to be adjustable.

6. The open-box folder as recited in claim 1, wherein the open-box assembly comprises a first suction box assembly connected with the manipulator, a second suction box assembly rotatably connected with the first suction box assembly, and an open-box power for driving the second suction box assembly to rotate;

7. The open-box folder as recited in claim 6 wherein the suction surface of the first suction box assembly is configured as three suction zones, a main suction zone, a lateral expansion suction zone located on a lateral side of the main suction zone, and a longitudinal expansion suction zone located on a longitudinal side of the main suction zone, respectively; at least three first suckers of the main adsorption zone are arranged, and at least one first sucker of the transverse expansion adsorption zone and one first sucker of the longitudinal expansion adsorption zone are arranged;

The first suckers of different adsorption areas are independently controlled, and the first suckers of the same adsorption area are synchronously controlled.

8. The opening folding machine according to claim 1, wherein the side folding mechanism comprises two sets of side folding assemblies correspondingly arranged at the lower sides of the two box conveying lines and third power for driving the side folding assemblies to rotate, the side folding assemblies comprise roller frames and a row of rollers rotatably arranged on the roller frames, the rotation directions of the rollers are consistent with the directions of the box conveying belts, mounting plates are arranged at two ends of the roller frames, the roller frames are rotatably connected with the mounting plates, and the mounting plates are connected with the bottoms of the corresponding box conveying lines.

9. The open-box folder as claimed in claim 1 or 8, wherein the front folding assembly comprises a bracket, an arc-shaped guide plate fixedly arranged at the upper end of the bracket, the rear folding assembly is arranged at the front end of the bracket, and the rear folding assembly comprises a folding pressing plate, a swing arm fixedly connected with the folding pressing plate in a rotating manner and a fourth power for driving the swing arm to rotate.