CN210149617U - Automatic case sealer - Google Patents

Abstract

The utility model relates to the technical field of packaging machinery, specifically speaking relates to an automatic case sealer. The packaging machine comprises a rack assembly, a to-be-packaged part conveying mechanism for conveying the to-be-packaged part to a packaging station in the rack assembly, a packaging box storing mechanism for storing a packaging box, a packaging box conveying mechanism for conveying the packaging box to the packaging station and a box sealing mechanical arm for downwards folding the packaging box to package the to-be-packaged part. Case sealer layout design reasonable, compact structure, area reduces greatly, can encapsulate to the product of unidimensional, model not, moreover, whole joint sealing operation is automatic to be accomplished, degree of automation is high, production efficiency is high, can save the manual work greatly, reduces the recruitment cost of enterprise, has good application prospect and spreading value.

Description

Automatic case sealer

Technical Field

The utility model relates to the technical field of packaging machinery, specifically speaking relates to an automatic case sealer.

Background

Finished products of ground finishing materials such as wood floors and the like generally need to be packaged in a box and then sold on the market. The traditional carton sealing and packaging operation is that after the production of products is finished, fixing and quantifying and carton sealing and packaging are carried out manually, the working efficiency is low, and the labor intensity of workers is high. With the rapid development of economy, the labor cost is higher and higher, and the production cost is also higher and higher.

Along with the increase of the production demand of ground decoration materials, manufacturers are more and more, and the traditional box sealing and packaging operation cannot meet the production demand. Under the background, a box sealing machine is produced, and the box sealing machine is one of necessary devices in the production of ground decoration materials. However, the existing box sealing machine is not reasonable enough in design, so that the occupied area is large, the working efficiency is low, and the existing box sealing machine is not suitable for production requirements of small and medium-sized manufacturers.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take up an area of for a short time, efficient automatic case sealer to solve above-mentioned technical problem.

In order to solve the above problems, the utility model adopts the following technical scheme:

the utility model provides an automatic case sealer which characterized in that: the packaging machine comprises a rack assembly, a to-be-packaged part conveying mechanism for conveying the to-be-packaged part to a packaging station in the rack assembly, a packaging box storing mechanism for storing a packaging box, a packaging box conveying mechanism for conveying the packaging box to the packaging station and a box sealing mechanical arm for downwards folding the packaging box to package the to-be-packaged part;

the machine frame assembly comprises a machine frame and a driving mechanism, the machine frame comprises a plurality of stand columns and a top frame fixed at the tops of the stand columns, the driving mechanism comprises a supporting frame fixed at the top of the top frame, a manipulator suspension mechanism assembled on the supporting frame and used for suspending the box sealing manipulator and controlling the box sealing manipulator to lift, a first driving device used for driving the packing box conveying mechanism to reciprocate along the supporting frame and a second driving device used for driving the manipulator suspension mechanism to reciprocate along the supporting frame;

the manipulator suspension mechanism comprises a suspension bracket and a manipulator lifting cylinder fixed on the suspension bracket; the box sealing manipulator comprises a manipulator base with a frame type structure, and the manipulator base is connected with the bottom end of a piston rod of a manipulator lifting cylinder;

the manipulator base is provided with: the folding device comprises a first box folding mechanism, a second box folding mechanism, a third box folding mechanism and a fourth box folding mechanism, wherein the first box folding mechanism is used for downwards folding first side paper box plates on two sides of a central paper box plate of a packaging box, the second box folding mechanism is used for inwards folding paper box side tongues on two ends of the two first side paper box plates, the third box folding mechanism is used for downwards folding two paper box end plates on two ends of the central paper box plate and inwards folding paper box end tongues on the outer ends of the two paper box end plates, and the fourth box folding mechanism is used for inwards folding two second side paper box plates on the outer sides of the two first side paper box plates.

Furthermore, X-direction beams parallel to the short frames are respectively fixed on the inner sides of the two short frames of the manipulator base, and Y-direction beams parallel to the long frames are respectively arranged below the two long frames; the suspension bracket is provided with two symmetrical manipulator lifting cylinders, and the bottom ends of piston rods of the two manipulator lifting cylinders are respectively fixedly connected with the two X-direction cross beams; x-direction sliding rails are respectively fixed at the bottoms of the two X-direction cross beams, and sliding rail grooves used for being assembled on the X-direction sliding rails are respectively fixed on the top surfaces of the two ends of the two Y-direction cross beams;

the first carton folding mechanism comprises two groups of first carton folding devices which are bilaterally symmetrical, each first carton folding device comprises a first carton folding plate fixed on the inner side wall of the Y-direction cross beam and two first carton folding cylinders which are fixed on the top surface of the middle part of the Y-direction cross beam and are provided with piston rods inwards and telescopic along the X direction, the end parts of the piston rods of the two first carton folding cylinders are fixedly connected with cylinder connecting plates, nuts are respectively and fixedly arranged in the middle parts of the two cylinder connecting plates, and the directions of internal threads of the two nuts are opposite; an X-direction adjusting screw rod is arranged between the two long frames of the manipulator base, and two ends of the adjusting screw rod are respectively in threaded connection with the two nuts;

the second box folding mechanisms are provided with a front group of second box folding mechanisms and a rear group of second box folding mechanisms, and each group of second box folding mechanisms comprises two groups of second box folding devices which are bilaterally symmetrical; the second folding device includes: the Y-direction second bellows cylinder is fixed on the bottom surface of the end part of the Y-direction cross beam, the piston rod of the Y-direction second bellows cylinder extends outwards along the Y direction, the X-direction second bellows cylinder is fixed on the end part of the piston rod of the Y-direction second bellows cylinder, the piston rod of the X-direction second bellows cylinder extends inwards along the X direction, and the second bellows plate is fixed on the end part of the piston rod of the X-direction second bellows cylinder and has an L-shaped transverse section;

the third box folding mechanism comprises two sets of third box folding devices which are symmetrical front and back, and the third box folding devices comprise: the manipulator comprises a Y-direction third folding cylinder, a first Z-direction folding cylinder, a second Z-direction folding cylinder and a third folding plate, wherein the Y-direction third folding cylinder is fixed in the middle of a short frame of a manipulator base, a piston rod of the Y-direction third folding cylinder extends outwards along the Y direction, the first Z-direction folding cylinder is fixed at the end part of a piston rod of the Y-direction third folding cylinder, a piston rod of the Y-direction third folding cylinder extends downwards along the Z direction, the piston rod of the Y-direction third folding cylinder is upwards butted with the piston rod of the first Z-direction folding cylinder, and the third folding plate is;

the fourth box folding mechanism comprises two groups of symmetrical fourth box folding devices, each fourth box folding device comprises a plurality of fourth box folding cylinders and a fourth box folding plate, the fourth box folding cylinders are fixedly assembled on the outer side wall of the Y-direction cross beam, piston rods of the fourth box folding cylinders are inwards telescopic along the X direction, and the fourth box folding plates are fixed at the end parts of the piston rods of the fourth box folding cylinders, and the longitudinal sections of the fourth box folding cylinders are L-shaped.

Preferably, a third X-direction cross beam is arranged between the two X-direction cross beams, and a group of standby third folding box devices is fixed in the middle of the third X-direction cross beam; the standby third folding box device comprises a standby Y-direction third folding box cylinder, a standby first Z-direction folding box cylinder, a standby second Z-direction folding box cylinder and a standby third folding box plate, wherein the piston rod of the standby Y-direction third folding box cylinder extends outwards and extends along the Y direction, the standby first Z-direction folding box cylinder is fixed at the end part of the piston rod of the standby Y-direction third folding box cylinder, the piston rod of the standby first Z-direction folding box cylinder extends downwards and extends along the Z direction, the standby second Z-direction folding box cylinder is provided with a piston rod which is upwards butted with the piston rod of the standby first Z-direction folding box cylinder, and the standby third; install a set of reserve second folder device that matches with reserve third folder device on two Y are respectively to the crossbeam, reserve second folder device includes: the auxiliary folding device comprises a spare Y-direction second folding cylinder, a spare X-direction second folding cylinder and a spare second folding plate, wherein the spare Y-direction second folding cylinder is fixed on the bottom surface of a Y-direction cross beam, a piston rod of the spare Y-direction second folding cylinder stretches outwards along the Y direction, the spare X-direction second folding cylinder is fixed at the end part of a piston rod of the spare Y-direction second folding cylinder, a piston rod of the spare X-direction second folding cylinder stretches inwards along the X direction, and the spare second folding plate is fixed at the.

The first driving device comprises a first driving belt, a first belt driving roller, a first belt driven roller and a first driving motor, wherein the first belt driving roller, the first belt driven roller and the first driving motor are respectively fixed at two ends of the supporting frame; the second driving device comprises a second driving belt, a second belt driving roller, a second belt driven roller and a second driving motor, wherein the second belt driving roller, the second belt driven roller and the second driving motor are respectively fixed at two ends of the supporting frame; x-direction guide rails are respectively fixed on the top surfaces of the two long frames of the supporting frame; the suspension bracket straddles the support frame and is fixedly provided with a suspension bracket guide rail groove which is assembled on the X-direction guide rail; and the second driving belt is fixedly connected with the top of the suspension bracket.

Furthermore, the packing box storage mechanism is positioned at the front side of the packaging station in the rack assembly and comprises a storage rack, a packing box supporting plate, a packing box lifting mechanism for driving the packing box supporting plate to lift and a packing box stop lever mechanism; the storage rack comprises two parallel inverted U-shaped supports and a connecting beam connected between two ends of the two inverted U-shaped supports; the packing box lifting mechanism comprises worm lifters, lifting driving motors and transmission shafts which are respectively fixed on the two connecting cross beams, the power output end of each lifting driving motor is in transmission connection with the power input end of one of the worm lifters, and the power output end of each worm lifter is in transmission connection with the power input end of the other worm lifter through the transmission shaft; nuts for being assembled on the screw rods of the two worm lifters in a threaded mode are fixed in the middle of the two ends of the packing box supporting plate respectively; supporting plate guide rods are respectively fixed on two sides of the worm lifter, and the upper ends of the supporting plate guide rods upwards penetrate through the packaging box supporting plates; the packing box stop lever mechanism comprises Y-direction guide rails respectively fixed at the tops of the two inverted U-shaped supports, two X-direction sliding seats capable of reciprocating along the Y-direction guide rails and four stop levers; x-direction guide slide rails are fixed on the top surfaces of the two X-direction slide rails respectively, the two X-direction guide slide rails are assembled with the two guide slide rails respectively, the four stop levers are located on two sides of the front end and the rear end of the packing box supporting plate respectively, and the four stop levers are fixed on the four guide slide rails in a one-to-one correspondence mode.

Still further, the packing box conveying mechanism comprises a top plate, a conveying suspension rod, a suspension rod lifting cylinder, a suspension rod guide device and a paper box plate adsorption device; four top corner parts of the bottom surface of the top plate are respectively fixed with a packing box conveying guide rail groove which is assembled on an X-direction guide rail, and the first driving belt is fixedly connected with the top of the top plate; the suspension rod lifting cylinder is longitudinally arranged, the tail part of the cylinder body is fixed on the top plate, and the bottom end of the piston rod is fixedly connected with the middle part of the conveying suspension rod; the suspension rod guide device is provided with two groups of suspension rod guide devices which are symmetrically arranged on two sides of the suspension rod lifting cylinder and comprise suspension rod guide cylinders and suspension rod guide shafts, the tops of the suspension rod guide cylinders are fixed on the top plate, the suspension rod guide shafts are inserted into the suspension rod guide cylinders, and the bottom ends of the suspension rod guide shafts are fixed on the conveying suspension rods; the carton board adsorption devices are symmetrically fixed at two ends of the conveying suspension rod and comprise adsorption air cylinders, sucker supports and suckers, the adsorption air cylinders are fixed on the conveying suspension rod, piston rods of the adsorption air cylinders are downward and are fixedly connected with the sucker supports, and the suckers are assembled on the sucker supports; the carton board packaging machine is characterized in that bottom beams are fixedly connected between two stand columns on the left side of the rack assembly and between two stand columns on the right side of the rack assembly respectively, middle stand columns are fixed on the parts, corresponding to packaging stations, of the two bottom beams respectively, packaging box clamping devices are fixedly mounted at the tops of the two middle stand columns respectively, and each packaging box clamping device comprises a clamping cylinder and a carton board clamping hand controlled by the clamping cylinder to open and close.

Furthermore, the to-be-packaged part conveying mechanism comprises a to-be-packaged part feeding mechanism positioned on the rear side of the tail end of the rack assembly and a to-be-packaged part feeding mechanism positioned in the rack assembly, and the blanking end of the to-be-packaged part feeding mechanism is positioned above the material receiving end of the to-be-packaged part feeding mechanism; a first material receiving device is arranged at the blanking end of the feeding mechanism of the to-be-packaged piece; a material blocking device is arranged between the two stand columns at the tail end of the rack assembly and comprises a Y-direction rod, two X-direction rods and two Z-direction rods, two ends of the Y-direction rod are respectively and fixedly connected to the two stand columns, one ends of the two X-direction rods are vertically fixed on the inner wall of the Y-direction rod, and the top ends of the two Z-direction rods are respectively and vertically fixed on the two X-direction rods; a second material receiving device and two end aligning devices of the to-be-packaged part are arranged at the material receiving end of the to-be-packaged part feeding mechanism; and the tail end of the to-be-packaged part feeding mechanism is provided with a to-be-packaged part lifting device and a material blocking rod.

Furthermore, the to-be-packaged part feeding mechanism comprises a feeding rack, two groups of feeding conveying belt devices arranged on the feeding rack and a feeding driving device for driving the two groups of feeding conveying belt devices; a group of first material receiving devices are respectively arranged on the outer sides of the front ends of the two groups of feeding conveyor belt devices; the first material receiving device comprises a material receiving rod and a first material receiving cylinder which drives the material receiving rod to stretch back and forth along the running direction of the feeding conveyor belt device.

Furthermore, the feeding mechanism for the to-be-packaged part comprises a feeding rack, two groups of feeding conveyer belt devices arranged on the feeding rack and a feeding driving device for driving the two groups of feeding conveyer belt devices;

a group of second material receiving devices are respectively arranged on the inner sides of the tail ends of the two groups of feeding conveying belt devices, and each second material receiving device comprises a material receiving cylinder supporting plate fixed on the inner side of each feeding conveying belt device, a second material receiving lower cylinder fixed on the material receiving cylinder supporting plate, a second material receiving upper cylinder arranged above the second material receiving lower cylinder and a material receiving supporting plate fixed on the top of the second material receiving upper cylinder; the bottom end of a piston rod of the second material receiving upper cylinder is butted with the top end of a piston rod of the second material receiving lower cylinder;

the outer sides of the tail ends of the two groups of feeding and conveying belt devices are respectively provided with a group of devices for aligning two ends of a to-be-packaged piece, and each device for aligning two ends of the to-be-packaged piece comprises an aligning cylinder seat fixed on the feeding rack, an aligning cylinder fixed on the aligning cylinder seat and a push plate fixed at the end part of a piston rod of the aligning cylinder, wherein a piston rod of the aligning cylinder faces the feeding and conveying belt device;

a group of lifting devices to be packaged are respectively arranged on the inner sides of the front ends of the two groups of feeding conveyer belt devices, and each lifting device to be packaged comprises a lifting cylinder seat fixed on the inner side of the feeding conveyer belt device, a lifting cylinder fixed on the lifting cylinder seat and with an upward piston rod and a lifting supporting plate fixed on the top end of the piston rod of the lifting cylinder; lifting guide posts are respectively arranged on the front side and the rear side of the lifting cylinder, the top ends of the lifting guide posts are fixed on the lifting supporting plate, and the lower ends of the lifting guide posts penetrate through a lifting cylinder seat;

and the inner sides of the front ends of the two groups of feeding conveyor belt devices are respectively fixed with a material blocking rod, and the material blocking rods are positioned on the front side of the lifting device of the packaging part to be packaged.

Furthermore, a discharging mechanism used for conveying the packaged parts outwards is arranged on the rear side of the packaging station in the rack assembly; the discharging mechanism comprises a discharging rack, a discharging conveying belt device arranged on the discharging rack and a discharging driving device for driving the discharging conveying belt device, and the discharging rack is spanned above the middle part of the feeding mechanism of the to-be-packaged part.

Has the advantages that: compared with the prior art, case sealer layout design reasonable, compact structure, area reduces greatly, can encapsulate to the product of unidimensional, model, moreover, whole joint sealing operation is automatic to be accomplished, degree of automation is high, production efficiency is high, can satisfy the production demand of middle-size and small-size firm, saves the manual work greatly, reduces the recruitment cost of enterprise, has good application prospect and spreading value.

Drawings

Fig. 1 is a schematic side view of an embodiment of the present invention;

fig. 2 is a schematic perspective view of an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the rack assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural view of the packing box storing mechanism according to the embodiment of the present invention;

fig. 5 is a schematic structural view of the packing box conveying mechanism according to the embodiment of the present invention;

fig. 6 is a schematic structural view of the box sealing robot according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a feeding mechanism for a to-be-packaged component according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a feeding mechanism for a to-be-packaged component according to an embodiment of the present invention;

fig. 9 is a schematic structural view of the discharging mechanism in the embodiment of the present invention;

fig. 10 is a schematic view of the flat state of the packing box in the embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Example (b):

referring to fig. 1 and 2, the automatic case sealer according to the embodiment includes a frame assembly 1, a to-be-packaged part conveying mechanism for conveying a to-be-packaged part to a packaging station in the frame assembly 1, a packaging box storing mechanism 2 for storing a packaging box, a packaging box conveying mechanism 3 for conveying the packaging box to the packaging station, a case sealing manipulator 4 for folding the packaging box downward to package the to-be-packaged part, and a discharging mechanism 5 for conveying the packaged part outward.

As shown in fig. 3, the rack assembly 1 includes a rack and a driving mechanism. The rack comprises a plurality of upright posts 101 and a top frame 102 fixed on the top of the upright posts 101, and the driving mechanism comprises a supporting frame 103 fixed on the top of the top frame 102, a manipulator suspension mechanism assembled on the supporting frame 103 and used for suspending the box sealing manipulator 4 and controlling the lifting of the box sealing manipulator 4, a first driving device used for driving the packing box conveying mechanism 3 to reciprocate along the supporting frame 103, and a second driving device used for driving the manipulator suspension mechanism to reciprocate along the supporting frame 103. The first driving means includes a first driving belt 105, first belt driving rollers fixed to both ends of the supporting frame 103, respectively, first belt driven rollers, and a first driving motor 114 driving the first belt driving rollers. The second driving device includes a second driving belt 106, a second belt driving roller, a second belt driven roller and a second driving motor 113 for driving the second belt driving roller, which are respectively fixed at both ends of the supporting frame 103. X-guide rails 104 are fixed to the top surfaces of the two long frames of the support frame 103, respectively.

The manipulator suspension mechanism comprises a suspension bracket and two manipulator lifting cylinders 119. Specifically, the suspension bracket includes two inverted U-shaped suspensions 110, two connecting arms 109 connected between tops of the two inverted U-shaped suspensions 110, fixed connecting plates 118 fixed between left and right bottom ends of the two inverted U-shaped suspensions 110, respectively, and lifting connecting plates 112 disposed below the two fixed connecting plates 118, respectively. Two manipulator lifting cylinders 119 are symmetrically arranged between the two inverted-U-shaped suspensions 110, the cylinder bodies of the manipulator lifting cylinders are respectively fixed on the left and right fixed connecting plates 118, and the bottom ends of the piston rods of the manipulator lifting cylinders are fixedly connected with the lifting connecting plates 112. And the front side and the rear side of the left end and the right end of the suspension bracket are respectively provided with a manipulator guide shaft 107, the bottom end of the manipulator guide shaft 107 is fixed on the lifting connecting plate 112, and the upper end of the manipulator guide shaft penetrates through the fixed connecting plate 118. The two inverted U-shaped suspensions 110 straddle the support frame 103 and are fixed with hanger rail grooves 111 for fitting on the X-guide rails 104. The second driving belt 106 is fixedly connected to the top of the two inverted U-shaped suspensions 110, so as to drive the robot suspension mechanism to perform X-direction reciprocating motion along the X-direction guide rail 104.

As shown in fig. 6, the box sealing manipulator 4 includes a manipulator base 41 having a frame structure, X-direction beams 43A parallel to the short frame are respectively fixed on the inner sides of the short frames of the manipulator base 41, the tops of the two X-direction beams 43A are respectively fixedly connected to two lifting connection plates 112, and X-direction slide rails are respectively fixed on the bottoms of the two X-direction beams 43A. The lower parts of the two long frames of the manipulator base 41 are respectively provided with a Y-direction cross beam 42 parallel to the long frames, and the top surfaces of the two ends of the two Y-direction cross beams 42 are respectively fixed with a slide rail groove used for being assembled on an X-direction slide rail, so that the two Y-direction cross beams 42 can perform X-direction reciprocating motion along the X-direction slide rail at the bottom of the X-direction cross beam 43A.

The manipulator base 41 is provided with: a first box folding mechanism for folding the first side carton boards a2 at both sides of the central carton board a1 of a packing box (as shown in fig. 10) downwards, a second box folding mechanism for folding the side carton boards a6 at both ends of the two first side carton boards a2 inwards, a third box folding mechanism for folding the two carton end boards a4 at both ends of the central carton board a1 downwards and then folding the carton end tongue boards a5 at the outer ends of the two carton end boards a4 inwards, and a fourth box folding mechanism for folding the two second side carton boards A3 at the outer sides of the two first side carton boards a2 inwards.

The first carton folding mechanism comprises two groups of first carton folding devices which are bilaterally symmetrical, each first carton folding device comprises a first carton folding plate 42A fixed on the inner side wall of the Y-direction cross beam 42 and two first carton folding cylinders 42B fixed on the top surface of the middle part of the Y-direction cross beam 42, piston rods of the two first carton folding cylinders 42B extend inwards and extend along the X direction, the end parts of the piston rods of the two first carton folding cylinders 42B are fixedly connected with cylinder connecting plates 412, nuts are fixedly arranged at the middle parts of the two cylinder connecting plates 412 respectively, and the directions of internal threads of the two nuts are opposite; an X-direction adjusting screw 411 is installed between the two long frames of the manipulator base 41, and two ends of the adjusting screw 411 are respectively in threaded connection with the two nuts.

Specifically, the outer side walls of the two long frames of the manipulator base 41 are respectively provided with a bearing seat 45, two ends of the adjusting screw 411 are respectively assembled on the two bearing seats 45, and one end of the adjusting screw is fixedly provided with a hand-operated wheel 413. Need adjust two Y to the distance between the crossbeam 42 when carrying out the bellows encapsulation to the packing box of width difference, rotate hand wheel 413, drive adjusting screw 411, adjusting screw 411 accessible two cylinder connecting plates 412 drive two Y to crossbeam 42 simultaneously along X to the X of crossbeam 43A bottom to the slide rail inwards or outwards remove, and then reduce or increase two Y to the distance between the crossbeam 42.

The second box folding mechanisms are provided with a front group of second box folding mechanisms and a rear group of second box folding mechanisms, and each group of second box folding mechanisms comprises two groups of second box folding devices which are bilaterally symmetrical; the second folding device includes: a Y-direction second bellows cylinder 47A fixed on the bottom surface of the end part of the Y-direction beam 42 and having a piston rod extending outwards along the Y direction, an X-direction second bellows cylinder 47B fixed on the end part of the piston rod of the Y-direction second bellows cylinder 47A and having a piston rod extending inwards along the X direction, and a second bellows plate 4B fixed on the end part of the piston rod of the X-direction second bellows cylinder 47B and having an L-shaped transverse section.

The third box folding mechanism comprises two sets of third box folding devices which are symmetrical front and back, and the third box folding devices comprise: a Y-direction third box folding cylinder 44A which is fixed in the middle of the short frame of the manipulator base 41 and the piston rod of which extends outwards along the Y direction, a first Z-direction box folding cylinder 44B which is fixed at the end part of the piston rod of the Y-direction third box folding cylinder 44A and the piston rod of which extends downwards along the Z direction, a second Z-direction box folding cylinder 44C which is connected with the piston rod of the first Z-direction box folding cylinder 44B upwards and the piston rod of which is butted against the piston rod of the first Z-direction box folding cylinder 44B, and a third box folding plate 4A which is fixed at the inner side of the cylinder body of the second Z-direction box folding cylinder 44.

The fourth box folding mechanism comprises two groups of symmetrical fourth box folding devices, each fourth box folding device comprises a plurality of fourth box folding cylinders 410 which are fixedly assembled on the outer side wall of the Y-direction cross beam 42 and have piston rods extending inwards and along the X direction, and a fourth box folding plate 4C which is fixed at the end part of the piston rods of the fourth box folding cylinders 410 and has an L-shaped longitudinal section.

Foretell second case folding mechanism and third case folding mechanism are applicable to the case folding encapsulation of the great packing box of length, in order to be applicable to the case folding encapsulation of the short packing box of length simultaneously, still install reserve third case folding device and reserve second case folding device on the manipulator base 41, specifically speaking:

a third X-direction cross beam 43B is arranged between the two X-direction cross beams 43A, and a group of standby third box folding devices are fixed in the middle of the third X-direction cross beam 43B; reserve third bellows device includes that the piston rod is outside and follow Y to the flexible reserve Y of Y to third bellows cylinder 46A, fix reserve Y to third bellows cylinder 46A piston rod tip and piston rod downwards and follow the flexible reserve first Z of Z to bellows cylinder 46B, the piston rod upwards with reserve first Z to bellows cylinder 46B's piston rod butt joint reserve second Z to bellows cylinder 46C to and fix the reserve third bellows board that is L shape to inboard and the longitudinal section of reserve second Z to bellows cylinder 46C cylinder body.

Install a set of reserve second folder device that matches with reserve third folder device on two Y are to crossbeam 42 respectively, reserve second folder device includes: a spare Y-direction second bellows cylinder 49A fixed on the bottom surface of the Y-direction beam 42 and having a piston rod extending outward in the Y direction, a spare X-direction second bellows cylinder 49B fixed on the end portion of the piston rod of the spare Y-direction second bellows cylinder 49A and having a piston rod extending inward in the X direction, and a spare second bellows plate fixed on the end portion of the piston rod of the spare X-direction second bellows cylinder 49B and having an L-shaped transverse section.

As shown in fig. 4, the packing box storing mechanism 2 is located at the front side of the packaging station in the rack assembly 1, and includes a storing rack, a packing box supporting plate 208, a packing box lifting mechanism for driving the packing box supporting plate 208 to lift, and a packing box stop lever mechanism; the storage rack comprises two parallel inverted U-shaped supports 201 and a connecting beam 206 connected between two ends of the two inverted U-shaped supports 201. The packing box lifting mechanism comprises worm lifters 202 respectively fixed on the two connecting beams 206, a lifting driving motor (not shown in the figure) and a transmission shaft 211, wherein the power output end of the lifting driving motor is in transmission connection with the power input end of one worm lifter 202, and the power output end of the worm lifter is in transmission connection with the power input end of the other worm lifter through the transmission shaft 211; nuts for being screwed on the screw rods 205 of the two worm lifters 202 are respectively fixed at the middle parts of the two ends of the packing box supporting plate 208. Support plate guide rods 204 are respectively fixed on two sides of the worm lifter 202, and the upper ends of the support plate guide rods 204 upwards penetrate through a packing box support plate 208; the packing box stop lever mechanism comprises a Y-direction guide rail 212, two X-direction sliding seats 210 and four stop levers 203, wherein the Y-direction guide rails 212 are respectively fixed at the tops of the two inverted U-shaped supports 201, and the X-direction sliding seats 210 and the four stop levers 203 can reciprocate along the Y-direction guide rails 212; the top surfaces of the two X-direction sliding seats 210 are respectively fixed with an X-direction guide sliding rail 207, the two X-direction guide sliding rails 207 are respectively assembled with two guide sliding seats 209, and the four stop levers are respectively positioned at the two sides of the front end and the rear end of the packing box supporting plate 208 and are fixed on the four guide sliding seats 209 in a one-to-one correspondence manner.

The lifting driving motor drives the two worm lifters 202, and the screw rods 205 of the two worm lifters 202 rotate, thereby driving the packing case supporting plate 208 to ascend or descend. The packing box supporting plate 208 is in a shape like a Chinese character 'zhong', a certain number of packing boxes are stacked on the packing box supporting plate 208, and then the positions of the four stop rods 203 are adjusted to enable the four stop rods to respectively clamp the packing box from the front, the back, the left side and the right side so as to prevent the packing box from being scattered or even falling off from the packing box supporting plate 208 in the ascending process of the packing box supporting plate 208.

As shown in fig. 5, the packing box conveying mechanism 3 includes a top plate 302, a bottom plate 309, a conveying boom 305, a boom raising and lowering cylinder 310, a boom guide device, and a packing box plate suction device. The four top corners of the bottom surface of the top plate 302 are respectively fixed with a box conveying guide rail groove 301 for being assembled on the X-guide rail 104, and the first driving belt 105 is fixedly connected with the top of the top plate 302. The suspension rod lifting cylinder 310 is longitudinally arranged, two ends of a cylinder body of the suspension rod lifting cylinder are respectively fixed on the top plate 302 and the bottom plate 309, and the bottom end of a piston rod of the suspension rod lifting cylinder is fixedly connected with the middle of the conveying suspension rod 305. The suspension rod guide device is provided with two groups of suspension rod guide devices which are symmetrically arranged on two sides of a suspension rod lifting cylinder 310 and comprise a suspension rod guide cylinder 303 and a suspension rod guide shaft 304, the top end and the bottom end of the suspension rod guide cylinder 303 are respectively fixed on a top plate 302 and a bottom plate 309, the suspension rod guide shaft 304 is inserted into the suspension rod guide cylinder 303, and the bottom end of the suspension rod guide shaft is fixed on a conveying suspension rod 305. The carton board adsorption equipment is provided with two groups, symmetrically fixed at two ends of the conveying suspension rod 305, and comprises an adsorption cylinder 308, a sucker bracket 307 and a sucker 306, wherein the adsorption cylinder 308 is fixed on the conveying suspension rod 305, a piston rod of the adsorption cylinder faces downwards and is fixedly connected with the sucker bracket 307, and the sucker 306 is assembled on the sucker bracket 307.

As shown in fig. 3, a bottom beam 121 is fixedly connected between two left side columns and between two right side columns of the rack assembly 1, middle columns 120 are fixed to the positions of the two bottom beams 121 corresponding to the packaging stations, respectively, and a packing box clamping device is fixedly mounted at the top of each of the two middle columns 120, and the packing box clamping device includes a clamping cylinder 122 and a carton board clamping hand 123 controlled by the clamping cylinder 122 to open and close.

As shown in fig. 1 and 2, the to-be-packaged piece conveying mechanism includes a to-be-packaged piece feeding mechanism 6 located at the rear side of the tail end of the rack assembly 1 and a to-be-packaged piece feeding mechanism 7 located in the rack assembly 1. And the blanking end of the to-be-packaged part feeding mechanism 6 is positioned above the receiving end of the to-be-packaged part feeding mechanism 7. As shown in fig. 3, a material blocking device is arranged between two columns at the tail end of the rack assembly 1, the material blocking device includes a Y-direction rod 117, two X-direction rods 115 and two Z-direction rods 116, two ends of the Y-direction rod 117 are respectively and fixedly connected to the two columns, one end of each of the two X-direction rods 115 is vertically fixed on the inner wall of the Y-direction rod 117, and the top ends of the two Z-direction rods 116 are respectively and vertically fixed on the two X-direction rods 115.

As shown in fig. 7, the feeding mechanism 6 for the to-be-packaged piece includes a feeding rack, two sets of feeding conveyor belts installed on the feeding rack, and a feeding driving device for driving the two sets of feeding conveyor belts. Specifically, the feeding frame includes a front feeding support frame 601 and a rear feeding support frame 601, and an upper side beam 611 and a lower side beam 611 are respectively connected between the left side and the right side of the front feeding support frame 601 and the right side of the rear feeding support frame 601. The top of the front and the back feeding support frames 601 are respectively fixed with a feeding guide slide rail 604 along the length direction. The feeding conveyor belt device comprises a feeding conveyor belt bracket 606, a feeding driven wheel 603, a feeding driving wheel 608 and a feeding conveyor belt 605, wherein the feeding driven wheel 603, the feeding driving wheel 608 and the feeding conveyor belt 605 are respectively arranged at the front end and the rear end of the feeding conveyor belt bracket 606. And the bottoms of the front end and the rear end of the feeding conveyor belt bracket 606 are respectively and fixedly provided with a feeding guide sliding seat 602 which is used for being assembled on a feeding guide sliding rail 604. A feeding driving wheel mounting seat 609 is fixed on the inner side of the feeding conveyor belt bracket 606, and the feeding driving wheel 608 is mounted on the feeding driving wheel mounting seat 609.

The feeding driving device comprises a feeding driving motor 607, a feeding speed reducer 618 and a feeding driving shaft 610, the feeding driving motor 607 drives the feeding speed reducer 617, and a power output end of the feeding speed reducer 617 is in transmission connection with the feeding driving shaft 610. The feeding driving shaft 610 is polygonal, the shape of a central hole of the feeding driving wheel 608 is matched with that of the feeding driving shaft 610, the feeding driving shaft 610 penetrates through the two feeding driving wheels 608, and two ends of the feeding driving shaft are respectively installed at the tops of the left side beam 611 and the right side beam 611 through bearing seats. In this way, the feeding driving wheel 608 can slide axially along the feeding driving shaft 610 and can be driven by the feeding driving shaft 610 to rotate, so as to drive the feeding conveyor belt 605 to run, thereby realizing feeding.

A group of first material receiving devices are respectively installed on the outer sides of the front ends of the two feeding conveyor belt brackets 606. The first receiving device comprises a front receiving seat 613, a rear receiving seat 615, a receiving rod 612 and a first receiving cylinder 614 for driving the receiving rod 612 to stretch back and forth along the running direction of the feeding conveyor belt device. The front end and the tail end of the cylinder body of the first material receiving cylinder 614 are respectively fixed on the front material receiving seat 613 and the rear material receiving seat 615, the material receiving rod 612 is located below the first material receiving cylinder 614, two ends of the material receiving rod respectively penetrate through the front material receiving seat 613 and the rear material receiving seat 615, and a linkage plate 616 is connected between the tail end and the end of the piston rod of the first material receiving cylinder 614.

As shown in fig. 8, the feeding mechanism 7 for the to-be-packaged component includes a feeding frame, two sets of feeding conveyor belt devices installed on the feeding frame, and a feeding driving device for driving the two sets of feeding conveyor belt devices. Specifically, the feeding rack comprises a front feeding support frame 71A and a rear feeding support frame 71A, and a feeding support beam 71B is respectively connected between the left side and the right side of the front feeding support frame 71A and the right side of the rear feeding support frame 71A. The top parts of the front and the rear feeding support frames 71A are respectively fixed with a feeding guide slide rail 76A along the length direction. The feeding and conveying device comprises a feeding and conveying belt bracket 72A, and a feeding driven wheel 72D, a feeding driving wheel 72C and a feeding and conveying belt 72B which are respectively arranged at the front end and the rear end of the feeding and conveying belt bracket 72A. And feeding guide sliding seats 76B which are assembled on the feeding guide sliding rails 76A are respectively and fixedly installed at the bottoms of the front end and the rear end of the feeding conveyor belt bracket 72A. And a feeding driving wheel mounting seat 77 is fixed on the outer side of the feeding conveyor belt bracket 72A, and the feeding driving wheel 72C is mounted on the feeding driving wheel mounting seat 77.

The feeding driving device comprises a feeding driving motor 78A, a feeding speed reducer 78B and a feeding driving shaft 78C, the feeding driving motor 78A drives the feeding speed reducer 78B, and the power output end of the feeding speed reducer 78B is in transmission connection with the feeding driving shaft 78C. The feeding driving shaft 78C is polygonal, the shape of a central hole of the feeding driving wheel 72C is matched with that of the feeding driving shaft 78C, the feeding driving shaft 78C penetrates through the two feeding driving wheels 72C, and two ends of the feeding driving shaft are respectively installed on the tops of the feeding supporting beams 71B on the left side and the right side through bearing seats. Thus, the feeding driving wheel 72C can slide along the axial direction of the feeding driving shaft 78C and can be driven by the feeding driving shaft 78C to rotate, so as to drive the feeding conveyor belt 72B to operate, thereby realizing feeding.

And a group of second material receiving devices are respectively arranged on the inner sides of the tail ends of the two feeding conveyor belt brackets 72A. The second material receiving device comprises a material receiving cylinder support plate 74D fixed on the inner side of the feeding conveyor belt bracket 72A, a second material receiving lower cylinder 74A fixed on the material receiving cylinder support plate 74D, a second material receiving upper cylinder 74B arranged above the second material receiving lower cylinder 74A and a material receiving supporting plate 74C fixed on the top of the second material receiving upper cylinder 74B; the bottom end of the piston rod of the second material receiving upper cylinder 74B is butted with the top end of the piston rod of the second material receiving lower cylinder 74A. And the rear sides of the two groups of second material receiving devices are respectively provided with a feeding conveyor belt protection plate 75, and the feeding conveyor belt protection plates 75 are fixed on the inner side of the tail end of the feeding conveyor belt support 72A.

And a group of aligning devices for two ends of the to-be-packaged part are respectively arranged on the outer sides of the tail ends of the two feeding conveyor belt brackets 72A. The alignment device for two ends of the to-be-packaged piece comprises an alignment cylinder seat 73C fixed on the feeding support frame 71A on the rear side, an alignment cylinder 73A fixed on the alignment cylinder seat 73C and with a piston rod facing the feeding conveyor belt device, and an alignment push plate 73B fixed at the end part of the piston rod of the alignment cylinder 73A.

A group of lifting devices for the packages to be packaged are respectively arranged on the inner sides of the front ends of the two feeding conveyor belt brackets 72A. The lifting device for the to-be-packaged piece comprises a lifting cylinder seat 79D fixed on the inner side of the feeding conveyor belt bracket 72A, a lifting cylinder 79A fixed on the lifting cylinder seat 79D and with an upward piston rod, and a lifting supporting plate 79C fixed on the top end of the piston rod of the lifting cylinder 79A; and the front side and the rear side of the lifting cylinder 79A are respectively provided with a lifting guide post 79B, the top end of the lifting guide post 79B is fixed on the lifting supporting plate 79C, and the lower end of the lifting guide post 79B penetrates through the lifting cylinder seat 79D.

And the inner sides of the front ends of the two feeding conveyor belt brackets 72A are respectively fixed with a material blocking rod 710, and the material blocking rod 710 is positioned at the front side of the lifting device of the packaged part to be packaged.

As shown in fig. 9, the discharging mechanism 5 includes a discharging frame 51, a discharging conveyor belt device mounted on the discharging frame 51, and a discharging driving device 54 for driving the discharging conveyor belt device, and the discharging frame 51 straddles over the middle of the feeding mechanism 7 for the package to be packaged. The discharging conveyor belt device comprises a discharging conveyor belt driving roller 56, a discharging conveyor belt driven roller 58 and a discharging conveyor belt 57, a motor base 52 is fixed at a position, close to the discharging conveyor belt driving roller 56, on the discharging rack 51, the discharging driving device 54 is fixedly installed on the motor base 52, a power output chain wheel 53 is fixedly installed on a power output end of the discharging conveyor belt driving roller, a power input chain wheel 55 is fixedly installed on one end of the discharging conveyor belt driving roller 56, and the power output chain wheel 53 is connected with the power input chain wheel 55 through a chain transmission so as to drive the discharging conveyor belt 57.

Automatic case sealer when the actual installation uses, need dispose PLC control center, a plurality of sensor, for each cylinder provide the air pump of power and for each motor provides the block terminal equipment of electric energy. The sensor includes: 1. the counting sensor is arranged at the blanking end of the feeding mechanism 6 of the to-be-packaged piece and is used for monitoring the feeding number of the to-be-packaged piece in real time; 2. two position sensors which are arranged at the upper end and the lower end of the sensor upright post 211 and are used for monitoring the height of the packing box on the packing box supporting plate 208 in real time are fixed at the inner side of one end of the inverted U-shaped support 201 in the packing box storage mechanism 2. And each sensor transmits monitoring data to a PLC control center in real time, and the PLC control center controls the action of each air cylinder and the work of each motor according to the received signals and set programs.

The case sealing operation of rectangular form timber apron is taken as an example below, briefly state the utility model discloses automatic case sealer's working process as follows:

i, loading and feeding to-be-packaged parts

In the initial state, the material receiving rod 612 extends forwards, meanwhile, the second material receiving lower cylinder 74A and the second material receiving upper cylinder 74B are both in the extending state, and the material receiving supporting plate 74C is at the highest position.

The wood floors are put on the feeding conveyor belt 605 in operation one by one, the wood floors are conveyed forwards by the feeding conveyor belt 605, and at the blanking end, the wood floors vertically fall under the blockage of the two Z-direction rods 116 and fall on the two material receiving rods 612; when the counting sensor monitors that the number of the wood floors reaches a first-level set number (5 in the embodiment), the two first material receiving cylinders 614 respectively control the two material receiving rods 612 to retract backwards to wait for the next material receiving period; the wood floor falls on the material receiving supporting plate 74C, meanwhile, a piston rod of the second material receiving upper air cylinder 74B retracts, the wood floor descends a certain height along with the material receiving supporting plate 74C, and the subsequent wood floor continuously falls on the material receiving supporting plate 74C; when the counting sensor monitors that the number of the wood floors reaches the second-level set number (10 in the embodiment), the piston rod of the second material receiving lower cylinder 74A retracts, the material receiving supporting plate 74C falls to the lowest position, and all the wood floors on the material receiving supporting plate 74C fall on the feeding conveyor belt 72B; at this time, the piston rods of the two aligning cylinders 73A extend out to respectively push the two aligning push plates 73B to move inwards; after the two ends of the wood floor are aligned, the piston rods of the two aligning cylinders 73A retract, and the two aligning push plates 73B are respectively pulled to move outwards and inwards; the feeding conveyor belt 72B drives the wood floor which is orderly stacked up and down to move forwards to the packaging station, and the material blocking rod 710 can prevent the wood floor from continuing to move forwards along with the running feeding conveyor belt 72B; at this time, the wood floor is positioned above the lifting supporting plate 79C; the piston rod of the lifting cylinder 79A extends upwards to lift the wood floor upwards to wait for packaging.

Second, the packing box is transported

After the suction cup 306 in the packing box conveying mechanism 3 sucks the uppermost packing box from the packing box supporting plate 208, the first driving motor 114 drives the first driving belt 105 to drive the packing box conveying mechanism 3 to move backwards to the packaging station, and the clamping cylinders 122 on the two sides respectively control the two carton board clamping hands 123 to clamp the carton end tongue plates a5 on the two ends of the packing box; then, the first driving motor 114 rotates reversely, and the packing-box conveying mechanism 3 is driven to return by the first driving belt 105, and the next packing-box conveying cycle is entered. At this time, the packing box is positioned above the wood floor to be packaged.

Third, case sealing manipulator folding packaging

1. The second driving motor 113 drives the second driving belt 106 to drive the box sealing manipulator to move forwards to the packaging station and be located right above the packaging carton;

2. the piston rod of each first carton folding cylinder 42B retracts to drive the two Y-direction cross beams 42 to move inwards, and then the two first carton folding plates 42A are pushed to fold the first side carton plates A2 at the two sides of the central carton plate A1 downwards;

3. the clamping cylinders 122 on the two sides respectively control the two carton board clamping hands 123 to loosen the carton end tongue plates A5 on the two ends of the packing box;

4. the four piston rods of the Y-direction second bellows cylinder 47A extend out to push the corresponding X-direction second bellows cylinder 47B to move outwards; the four piston rods of the X-direction second folding cylinder 47B extend out to push the second folding plate 4B to move inwards; the piston rods of the four Y-direction second folding cylinders 47A retract, and the corresponding X-direction second folding cylinders 47B are pulled to move inwards, so that the corresponding second folding plates 4B are driven to fold the four carton side tongue plates a6 inwards;

5. the piston rods of the two Y-direction third box folding cylinders 44A extend out to push the first Z-direction box folding cylinder 44B and the second Z-direction box folding cylinder 44C to move outwards, and the piston rods of the first Z-direction box folding cylinder 44B and the second Z-direction box folding cylinder 44C extend out simultaneously to push the corresponding third box folding plate 4A to downwards fold the two carton end plates A4 downwards respectively; the piston rods of the two Y-direction third box folding cylinders 44A retract, the first Z-direction box folding cylinder 44B and the second Z-direction box folding cylinder 44C are pulled to move inwards, and then the corresponding third box folding plates 4A are driven to move inwards, then the piston rods of the second Z-direction box folding cylinders 44C retract, and the two third box folding plates 4A respectively fold the two carton end tongue plates A5 inwards;

6. the two manipulator lifting cylinders 119 work simultaneously to integrally lift the box sealing manipulator 4 together with the wood floor and the packing box upwards; the piston rods of the two lifting cylinders 79A retract to wait for the next working cycle;

7. the piston rod of each fourth box folding cylinder 410 extends out to push the corresponding fourth box folding plate 4C to fold the two second side paper box plates a3 inwards;

8. the second driving motor 113 rotates reversely to drive the second driving belt 106 to run reversely, so as to drive the box sealing manipulator 4, the wood floor and the packing box to integrally run backwards to the upper part of the discharging conveyor belt 57; in the process, the piston rod of the second Z-direction folding cylinder 44C extends to enable the third folding plate 4A to slightly descend, then, the piston rod of the Y-direction folding cylinder 44A extends to enable the third folding plate 4A to be completely drawn away, then, the piston rod of the first Z-direction folding cylinder 44B retracts to lift the third folding plate 4A to the highest position, and the piston rod of the Y-direction folding cylinder 44A retracts to enable the third folding plate 4A to return;

9. when the packaged product runs above the discharging conveyor belt 57, the piston rod of each fourth box folding cylinder 410 retracts to drive the corresponding fourth box folding plate 4C to return, and the product is separated;

10. the piston rod of each first box folding cylinder 42B extends out, so that the two first box folding plates 42A loosen the product, and the packaged product falls on the discharging conveyor belt 57 and is finally sent out by the discharging conveyor belt 57.

The present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only for illustrating the principle of the present invention, without departing from the spirit and scope of the present invention, the present invention can also have various changes and improvements, and these changes and improvements all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides an automatic case sealer which characterized in that: the packaging machine comprises a rack assembly (1), a to-be-packaged part conveying mechanism for conveying a to-be-packaged part to a packaging station in the rack assembly (1), a packaging box storage mechanism (2) for storing a packaging box, a packaging box conveying mechanism (3) for conveying the packaging box to the packaging station and a box sealing mechanical arm (4) for downwards folding the packaging box to package the to-be-packaged part;

the rack assembly (1) comprises a rack and a driving mechanism, wherein the rack comprises a plurality of upright posts (101) and a top frame (102) fixed at the tops of the upright posts (101), the driving mechanism comprises a supporting frame (103) fixed at the top of the top frame (102), a manipulator suspension mechanism assembled on the supporting frame (103) and used for suspending the box sealing manipulator (4) and controlling the box sealing manipulator (4) to lift, a first driving device used for driving the packing box conveying mechanism (3) to reciprocate along the supporting frame (103), and a second driving device used for driving the manipulator suspension mechanism to reciprocate along the supporting frame (103);

the manipulator suspension mechanism comprises a suspension frame and a manipulator lifting cylinder (119) fixed on the suspension frame; the box sealing manipulator (4) comprises a manipulator base (41) with a frame type structure, and the manipulator base (41) is connected with the bottom end of a piston rod of a manipulator lifting cylinder (119);

the manipulator base (41) is provided with: the carton folding mechanism comprises a first carton folding mechanism for downwards folding first side carton boards (A2) at two sides of a central carton board (A1) of the packing box, a second carton folding mechanism for inwards folding carton side tongue boards (A6) at two ends of two first side carton boards (A2), a third carton folding mechanism for downwards folding two carton end boards (A4) at two ends of the central carton board (A1) and inwards folding carton end tongue boards (A5) at outer ends of two carton end boards (A4), and a fourth carton folding mechanism for inwards folding two second side carton boards (A3) at the outer sides of two first side carton boards (A2).

2. The automatic case sealer according to claim 1, wherein: x-direction beams (43A) parallel to the short frames are respectively fixed on the inner sides of the two short frames of the manipulator base (41), and Y-direction beams (42) parallel to the long frames are respectively arranged below the two long frames; two symmetrical manipulator lifting cylinders (119) are assembled on the suspension bracket, and the bottom ends of piston rods of the two manipulator lifting cylinders (119) are respectively fixedly connected with two X-direction beams (43A); x-direction sliding rails are respectively fixed at the bottoms of the two X-direction cross beams (43A), and sliding rail grooves used for being assembled on the X-direction sliding rails are respectively fixed on the top surfaces of the two ends of the two Y-direction cross beams (42);

the first carton folding mechanism comprises two groups of first carton folding devices which are bilaterally symmetrical, each first carton folding device comprises a first carton folding plate (42A) fixed on the inner side wall of a Y-direction beam (42) and two first carton folding cylinders (42B) which are fixed on the top surface of the middle part of the Y-direction beam (42), piston rods of the two first carton folding cylinders (42B) extend inwards and extend along the X direction, the end parts of the piston rods of the two first carton folding cylinders (42B) are fixedly connected with cylinder connecting plates (412), nuts are respectively and fixedly installed in the middle parts of the two cylinder connecting plates (412), and the directions of internal threads of the two nuts are; an X-direction adjusting screw rod (411) is arranged between the two long frames of the manipulator base (41), and two ends of the adjusting screw rod (411) are respectively in threaded connection with the two nuts;

the second box folding mechanisms are provided with a front group of second box folding mechanisms and a rear group of second box folding mechanisms, and each group of second box folding mechanisms comprises two groups of second box folding devices which are bilaterally symmetrical; the second folding device includes: a Y-direction second bellows cylinder (47A) which is fixed on the bottom surface of the end part of the Y-direction cross beam (42) and the piston rod of which is outward and stretches along the Y direction, an X-direction second bellows cylinder (47B) which is fixed on the end part of the piston rod of the Y-direction second bellows cylinder (47A) and the piston rod of which is inward and stretches along the X direction, and a second bellows plate (4B) which is fixed on the end part of the piston rod of the X-direction second bellows cylinder (47B) and the transverse section of which is L-shaped;

the third box folding mechanism comprises two sets of third box folding devices which are symmetrical front and back, and the third box folding devices comprise: a Y-direction third box folding cylinder (44A) which is fixed in the middle of a short frame of the manipulator base (41), a piston rod of which extends outwards and stretches along the Y direction, a first Z-direction box folding cylinder (44B) which is fixed at the end part of the piston rod of the Y-direction third box folding cylinder (44A), a piston rod of which extends downwards and stretches along the Z direction, a second Z-direction box folding cylinder (44C) of which the piston rod is upwards butted with the piston rod of the first Z-direction box folding cylinder (44B), and a third box folding plate (4A) which is fixed at the inner side of the cylinder body of the second Z-direction box folding cylinder (44C) and has an L-shaped longitudinal section;

the fourth box folding mechanism comprises two groups of symmetrical fourth box folding devices, each fourth box folding device comprises a plurality of fourth box folding cylinders (410) which are fixedly assembled on the outer side wall of the Y-direction cross beam (42) and have piston rods extending inwards and along the X direction, and a fourth box folding plate (4C) which is fixed at the end parts of the piston rods of the fourth box folding cylinders (410) and has an L-shaped longitudinal section.

3. The automatic case sealer according to claim 2, wherein: a third X-direction cross beam (43B) is arranged between the two X-direction cross beams (43A), and a group of standby third box folding devices are fixed in the middle of the third X-direction cross beam (43B); the standby third folding box device comprises a standby Y-direction third folding box cylinder (46A) with a piston rod stretching outwards and along the Y direction, a standby first Z-direction folding box cylinder (46B) which is fixed at the end part of the piston rod of the standby Y-direction third folding box cylinder (46A) and has a piston rod stretching downwards and along the Z direction, a standby second Z-direction folding box cylinder (46C) with a piston rod upwards and butted with the piston rod of the standby first Z-direction folding box cylinder (46B), and a standby third folding box plate which is fixed at the inner side of the cylinder body of the standby second Z-direction folding box cylinder (46C) and has an L-shaped longitudinal section;

install a set of reserve second folder device that matches with reserve third folder device on two Y to crossbeam (42) respectively, reserve second folder device includes: the auxiliary folding device comprises a spare Y-direction second folding cylinder (49A) which is fixed on the bottom surface of the Y-direction cross beam (42) and is provided with a piston rod outwards and stretches along the Y direction, a spare X-direction second folding cylinder (49B) which is fixed at the end part of the piston rod of the spare Y-direction second folding cylinder (49A) and is provided with a piston rod inwards and stretches along the X direction, and a spare second folding plate which is fixed at the end part of the piston rod of the spare X-direction second folding cylinder (49B) and is provided with an L-shaped transverse section.

4. The automatic box sealing machine according to claim 2 or 3, characterized in that: the first driving device comprises a first driving belt (105), a first belt driving roller, a first belt driven roller and a first driving motor (114), wherein the first belt driving roller, the first belt driven roller and the first driving motor are respectively fixed at two ends of the supporting frame (103); the second driving device comprises a second driving belt (106), a second belt driving roller, a second belt driven roller and a second driving motor (113) which are respectively fixed at two ends of the supporting frame (103), and the second driving motor drives the second belt driving roller; x-direction guide rails (104) are respectively fixed on the top surfaces of the two long frames of the supporting frame (103); the suspension bracket straddles on the supporting frame (103), and a suspension bracket guide rail groove (111) used for being assembled on the X-direction guide rail (104) is fixed; the second driving belt (106) is fixedly connected with the top of the suspension bracket.

5. The automatic case sealer according to claim 4, wherein: the packing box storage mechanism (2) is positioned on the front side of a packaging station in the rack assembly (1) and comprises a storage rack, a packing box supporting plate (208), a packing box lifting mechanism for driving the packing box supporting plate (208) to lift and a packing box stop lever mechanism; the storage rack comprises two parallel inverted U-shaped supports (201) and a connecting beam (206) connected between two ends of the two inverted U-shaped supports (201); the packing box lifting mechanism comprises worm lifters (202), lifting driving motors and transmission shafts (211) which are respectively fixed on two connecting cross beams (206), the power output end of each lifting driving motor is in transmission connection with the power input end of one worm lifter (202), and the power output end of each worm lifter is in transmission connection with the power input end of the other worm lifter through the transmission shaft (211); nuts used for being assembled on the screw rods (205) of the two worm lifters (202) in a threaded mode are fixed in the middle of the two ends of the packing box supporting plate (208) respectively; support plate guide rods (204) are respectively fixed on two sides of the worm lifter (202), and the upper ends of the support plate guide rods (204) upwards penetrate through a packing box support plate (208); the packing box stop lever mechanism comprises a Y-direction guide rail (212) respectively fixed at the tops of the two inverted U-shaped supports (201), two X-direction sliding seats (210) capable of reciprocating along the Y-direction guide rail (212) and four stop levers (203); x-direction guide slide rails (207) are fixed on the top surfaces of the two X-direction slide seats (210) respectively, the two X-direction guide slide rails (207) are assembled with two guide slide seats (209) respectively, the four stop levers are located on the two sides of the front end and the rear end of the packing box supporting plate (208) respectively, and the four stop levers are fixed on the four guide slide seats (209) in a one-to-one correspondence manner.

6. The automatic case sealer according to claim 5, wherein: the packing box conveying mechanism (3) comprises a top plate (302), a conveying suspension rod (305), a suspension rod lifting cylinder (310), a suspension rod guide device and a packing box plate adsorption device; four top corner parts of the bottom surface of the top plate (302) are respectively fixed with a packing box conveying guide rail groove (301) which is assembled on an X-direction guide rail (104), and the first driving belt (105) is fixedly connected with the top of the top plate (302); the suspension rod lifting cylinder (310) is longitudinally arranged, the tail part of the cylinder body is fixed on the top plate (302), and the bottom end of the piston rod is fixedly connected with the middle part of the conveying suspension rod (305); the suspension rod guide device is provided with two groups of suspension rod guide devices which are symmetrically arranged on two sides of the suspension rod lifting cylinder (310) and comprise a suspension rod guide cylinder (303) and a suspension rod guide shaft (304), the top of the suspension rod guide cylinder (303) is fixed on the top plate (302), the suspension rod guide shaft (304) is inserted into the suspension rod guide cylinder (303), and the bottom end of the suspension rod guide shaft is fixed on the conveying suspension rod (305); the carton board adsorption devices are provided with two groups, are symmetrically fixed at two ends of the conveying suspension rod (305) and comprise an adsorption air cylinder (308), a sucker bracket (307) and a sucker (306), the adsorption air cylinder (308) is fixed on the conveying suspension rod (305), a piston rod of the adsorption air cylinder is downward and is fixedly connected with the sucker bracket (307), and the sucker (306) is assembled on the sucker bracket (307); the carton board packaging machine is characterized in that a bottom beam (121) is fixedly connected between two left side columns and between two right side columns of the rack assembly (1), middle columns (120) are fixed to the positions, corresponding to packaging stations, of the two bottom beams (121) respectively, packaging box clamping devices are fixedly mounted at the tops of the two middle columns (120) respectively, and each packaging box clamping device comprises a clamping cylinder (122) and a carton board clamping hand (123) controlled by the clamping cylinder (122) to open and close.

7. The automatic case sealer according to claim 6, wherein: the to-be-packaged part conveying mechanism comprises a to-be-packaged part feeding mechanism (6) located on the rear side of the tail end of the rack assembly (1) and a to-be-packaged part feeding mechanism (7) located in the rack assembly (1), and the blanking end of the to-be-packaged part feeding mechanism (6) is located above the material receiving end of the to-be-packaged part feeding mechanism (7); a first material receiving device is arranged at the blanking end of the to-be-packaged piece feeding mechanism (6); a material blocking device is arranged between the two upright posts at the tail end of the rack assembly (1), the material blocking device comprises a Y-direction rod (117), two X-direction rods (115) and two Z-direction rods (116), two ends of the Y-direction rod (117) are fixedly connected to the two upright posts respectively, one ends of the two X-direction rods (115) are vertically fixed on the inner wall of the Y-direction rod (117), and top ends of the two Z-direction rods (116) are vertically fixed on the two X-direction rods (115) respectively; a second material receiving device and two end aligning devices of the to-be-packaged piece are arranged at the material receiving end of the to-be-packaged piece feeding mechanism (7); and a lifting device for the to-be-packaged part and a material blocking rod (710) are arranged at the tail end of the feeding mechanism (7) for the to-be-packaged part.

8. The automatic case sealer according to claim 7, wherein: the feeding mechanism (6) for the to-be-packaged piece comprises a feeding rack, two groups of feeding conveying belt devices arranged on the feeding rack and a feeding driving device for driving the two groups of feeding conveying belt devices; a group of first material receiving devices are respectively arranged on the outer sides of the front ends of the two groups of feeding conveyor belt devices; the first material receiving device comprises a material receiving rod (612) and a first material receiving cylinder (614) for driving the material receiving rod (612) to stretch back and forth along the running direction of the feeding conveyor belt device.

9. The automatic case sealer according to claim 8, wherein: the to-be-packaged part feeding mechanism (7) comprises a feeding rack, two groups of feeding conveyor belt devices arranged on the feeding rack and a feeding driving device for driving the two groups of feeding conveyor belt devices;

a group of second material receiving devices are respectively arranged on the inner sides of the tail ends of the two groups of feeding conveying belt devices, and each second material receiving device comprises a material receiving cylinder supporting plate (74D) fixed on the inner side of the feeding conveying belt device, a second material receiving lower cylinder (74A) fixed on the material receiving cylinder supporting plate (74D), a second material receiving upper cylinder (74B) arranged above the second material receiving lower cylinder (74A) and a material receiving supporting plate (74C) fixed on the top of the second material receiving upper cylinder (74B); the bottom end of a piston rod of the second material receiving upper cylinder (74B) is butted with the top end of a piston rod of the second material receiving lower cylinder (74A);

the outer sides of the tail ends of the two groups of feeding and conveying belt devices are respectively provided with a group of aligning devices at two ends of a to-be-packaged piece, and each aligning device at two ends of the to-be-packaged piece comprises an aligning cylinder seat (73C) fixed on the feeding rack, an aligning cylinder (73A) fixed on the aligning cylinder seat (73C) and with a piston rod facing the feeding and conveying belt device, and an aligning push plate (73B) fixed at the end part of a piston rod of the aligning cylinder (73A);

a group of lifting devices to be packaged are respectively arranged on the inner sides of the front ends of the two groups of feeding conveyor belt devices, and each lifting device to be packaged comprises a lifting cylinder seat (79D) fixed on the inner side of the feeding conveyor belt device, a lifting cylinder (79A) fixed on the lifting cylinder seat (79D) and with an upward piston rod and a lifting support plate (79C) fixed on the top end of the piston rod of the lifting cylinder (79A); the front side and the rear side of the lifting cylinder (79A) are respectively provided with a lifting guide post (79B), the top end of the lifting guide post (79B) is fixed on a lifting supporting plate (79C), and the lower end of the lifting guide post penetrates through a lifting cylinder seat (79D);

and the inner sides of the front ends of the two groups of feeding conveyor belt devices are respectively fixed with a material blocking rod (710), and the material blocking rods (710) are positioned on the front side of the lifting device for the packaged part.

10. The automatic case sealer according to claim 9, wherein: a discharging mechanism (5) used for conveying the packaged parts outwards is arranged on the rear side of the packaging station in the rack assembly (1); the discharging mechanism (5) comprises a discharging rack (51), a discharging conveying belt device arranged on the discharging rack (51) and a discharging driving device (54) for driving the discharging conveying belt device, wherein the discharging rack (51) is spanned above the middle part of the feeding mechanism (7) for the packaged parts.

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