CN110723334A

CN110723334A - Cover attaching device and method for liquid packaging box

Info

Publication number: CN110723334A
Application number: CN201911129565.9A
Authority: CN
Inventors: 侯振威; 苑春生
Original assignee: YANTAI CALF FOOD Co Ltd
Current assignee: YANTAI CALF FOOD Co Ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-01-24

Abstract

The utility model provides a paste and cover device and method for liquid packaging box, contain and be used for driving liquid packaging box pivoted rotating turret (1), set up on rotating turret (1) and be used for scribbling rubber coating device (8) of adhesive cement on liquid packaging box or lid, set up on rotating turret (1) and be used for pressing lid butt joint device (7) on liquid packaging box, through rotating turret (1), carry out the sequencing to liquid packaging box and pass through rubber coating device (8) and pressing lid device (7), by rubber coating device (8), realized bearing the adhesive cement on liquid packaging box or lid, by pressing lid device (7), the installation of lid with liquid packaging box has been realized, consequently, the subsides of liquid packaging box effect is improved.

Description

Cover attaching device and method for liquid packaging box

Technical Field

The invention relates to a cover sticking device, in particular to a cover sticking device and a method for a liquid packaging box, which are suitable for liquid materials such as dairy products, protein beverages, fruit juice, syrup and the like.

Background

When liquid in a liquid packaging box is eaten, a cover needs to be installed on the liquid packaging box, so that the liquid in the liquid packaging box can be poured out conveniently, the cover attaching device and the method for the liquid packaging box are important packaging devices, the existing cover attaching device and the existing cover attaching method for the liquid packaging box are connected in an abutting mode through a stacking chain device for bearing the liquid packaging box and a stacking chain device for bearing the cover, so that the cover is installed on the liquid packaging box, and the following problems exist because the two stacking chain devices cannot be matched in movement speed and the installation space is narrow: firstly, the positioning precision of the cover is not high, the deviation is more, and the cover is hard to unscrew; secondly, the phenomenon of wire drawing is serious when the operation angle is small in the gluing process, and the wire drawing needs to be cleaned after being used for a certain time; thirdly, due to the high-speed operation, the cap removing device can fall off or shift position.

The technical scheme is applied based on the technical problems, technical characteristics and technical effects of the applicant in the technical book of technical exchange between 2019, 9, 15 and the background art.

Disclosure of Invention

The object of the invention is a capping device for liquid packaging boxes,

the object of the invention is a method for applying a cover to a liquid packaging box.

In order to overcome the above technical disadvantages, it is an object of the present invention to provide a capping device and method for a liquid packing box, thereby improving the coupling strength of a cap to the liquid packing box.

In order to achieve the purpose, the invention adopts the technical scheme that: comprises a rotating frame for driving the liquid packaging box to move, a gluing device which is arranged on the rotating frame and is used for gluing the liquid packaging box or the cover, and a cover pressing device which is arranged on the rotating frame and is used for butting the cover on the liquid packaging box.

Due to the fact that the rotating frame, the gluing device and the cover pressing device are designed, the liquid packaging boxes are arranged in sequence through the gluing device and the cover pressing device through the rotating frame, the gluing device is used for bearing adhesive glue on the liquid packaging boxes or the covers, the cover pressing device is used for installing the covers and the liquid packaging boxes, and therefore the cover pasting effect of the liquid packaging boxes is improved.

The invention relates to a method for connecting a rotating frame with a moving state, a gluing device with overflow holes and a cover pressing device with a swinging displacement to each other in a mode that the working state of a liquid packaging box, the gluing working state and the cover pressing working state are in a single-station moving state.

The invention relates to a gluing device and a cover pressing device which are connected with a rotating frame in a mode of fixing a gluing and cover pressing station at the upper end surface part of a liquid packaging box.

The invention envisages that the first attachment means further comprises a pressure jaw and is arranged to be coupled to the turret.

The invention contemplates that a second accessory device having a rail, a second drive wheel, a second crank arm, and a support is included and is configured to be coupled to the turret.

The invention contemplates that a third attachment device having a third clamping plate, a first crank arm, a first drive wheel, and a cassette cam plate is included and is configured to couple to the turret.

The invention contemplates that the fourth attachment device comprises a lifting device, a sorting device, a conveyor track chute, a correction belt, and a rotating wheel set, and the fourth attachment device is configured to couple to the turret.

The invention contemplates that a fifth accessory device having a belt conveyor and a rotating plate is included and is configured to be coupled to the rotating turret.

The invention designs that the device also comprises a sixth accessory device which is connected with the rotating frame, wherein the sixth accessory device comprises a first clamping plate and a second clamping plate which are fixedly distributed on the side surface.

The invention designs the device, which also comprises a seventh accessory device, wherein the seventh accessory device is connected with the rotating frame, the seventh accessory device comprises a front push plate, a rear push plate, a thrust telescopic cylinder, a stack chain device, a feeding conveying device and a discharging conveying device, and the front push plate, the rear push plate, the thrust telescopic cylinder, the stack chain device, the feeding conveying device and the discharging conveying device are distributed in a double-channel manner.

The invention also provides an eighth accessory device which is arranged on the rotating frame and is provided with a supporting pad.

The invention designs that a gluing device, a cover pressing device, a third clamping plate, a box clamping cam disc, a guide rail and a support are respectively arranged on a rotating frame, a first crank arm is arranged on the third clamping plate, a first driving wheel is arranged between the box clamping cam disc and the first crank arm, a second crank arm is arranged on the support, a pressing claw is arranged on the second crank arm, and a second driving wheel is arranged between the second crank arm and the guide rail.

The invention designs that the input port of the lifting device is arranged in the cover storage box, the output port of the lifting device is connected with the input port of the sorting device, the output port of the sorting device is connected with the input port of the conveying guide rail groove, the output port of the conveying guide rail groove is arranged on the cover pressing device, the conveying guide rail groove is provided with a rotating wheel set, and the rotating wheel set is provided with a correcting belt.

The invention designs that the belt conveying device is arranged at the lower end part of one side surface of the rotating frame and is arranged to be distributed corresponding to the concave part of the cassette cam disc, the conveying guide rail groove is arranged at the upper end part of the other side surface of the rotating frame and is arranged to be distributed corresponding to the starting end of the convex part of the cassette cam disc, the rotating plate is arranged at the upper end of the second section rear side plate and is arranged to be coupled with an end shaft of the motor, and the rotating plate is arranged to be a circular sheet-shaped body.

The invention designs that a discharging conveying device is arranged on one side face of a rotating frame, a stack chain device is arranged on the other side face of the rotating frame, an output port of a feeding conveying device is arranged on one side face of the stack chain device, a glue coating device and a cover pressing device are sequentially arranged between the stack chain device and the discharging conveying device, a first clamping plate, a second clamping plate, a front pushing plate and a rear pushing plate are respectively arranged on the rotating frame, the front pushing plate and the rear pushing plate are respectively arranged at the telescopic end of a thrust telescopic cylinder, the front pushing plate is arranged on the other side face of the stack chain device, the rear pushing plate is arranged on the input port of the discharging conveying device, the first clamping plate and the second clamping plate are arranged in an expansion mode and distributed, and supporting pads are respectively arranged on the rotating frame and the stack chain device.

The invention designs that the rotating frame is provided with a bottom plate part, a driving shaft part, a support plate and a vertical support 8, the bottom plate part is rotatably connected with the driving shaft part, the lower end head of the vertical support 8 and the lower end surface part of the cartridge cam disc are connected with the upper end surface part of the bottom plate part, the driving shaft part is connected with the support plate, the support plate is rotatably connected with a third clamping plate, the support plate is respectively connected with a support seat, the vertical support 8 is respectively connected with a gluing device and a cover pressing device, the upper end surface part of the bottom plate part is connected with a guide rail, the bottom plate part is provided with a rectangular sheet body, the driving shaft part is provided with a round rod body, the support plate is provided with a rectangular sheet body, the support plate is arranged along the periphery of the driving shaft part in an interval.

The invention designs that the gluing device is provided with an outer frame, a first motor, a transverse guide rail and an upper sliding block, vertical guide rail, lower slider, internal frame and nozzle and outer frame set up to hookup with first motor and transverse guide, transverse guide sets up to and goes up slider sliding type hookup and go up slider setting up to the end shaft hookup with first motor, vertical guide sets up to and goes up slider hookup, lower slider sets up to and goes up slider setting to and couple with the internal frame with vertical guide sliding type hookup, the nozzle sets up on the internal frame and the nozzle sets up the upper end terminal surface portion at the rotating turret, the nozzle sets up to communicate and the side portion of outer frame setting at the rotating turret with the adhesive supply pump, outer frame and internal frame set up respectively to the rectangle platode and transverse guide and vertical guide set up respectively to the forked tail platode, it sets up respectively to the rectangle platode with lower slider to go up slider.

The invention designs that the cover pressing device comprises a belt wheel part, a swinging arm part and a vacuum chuck, the middle part of the belt wheel part is rotatably connected with the rotating frame, the inner end head of the belt wheel part is connected with the middle part of the swinging arm part, one end head of the swinging arm part is connected with the vacuum chuck, the swinging arm part is arranged between the third clamping plate and the gluing device, the belt wheel part is arranged into a T-shaped shaft body, and the swinging arm part is arranged into a rectangular strip body.

The invention designs that the third clamping plates are connected with the rotating frame through pin shafts, the end surface parts of the inner ends of the rotating frame are connected with the first crank arms, the third clamping plates are rectangular platy bodies and are distributed at intervals along the periphery of the rotating frame, and magnetic bodies are respectively arranged on two adjacent third clamping plates.

The invention designs that the first crank arm is arranged into an L-shaped rod-shaped body, the outer end head of the first crank arm is connected with the third clamping plate, and the inner end head of the first crank arm is rotatably connected with the first driving wheel.

The invention provides that the first drive wheel is provided as a rolling bearing and the inner ring of the first drive wheel is provided for coupling with the first crank arm, and the outer ring of the first drive wheel is provided for contact-type coupling with the cassette cam disk.

The invention designs that the cam disc of the cartridge is set to be a circular cam, the middle part of the cam disc of the cartridge is set to be connected with the rotating frame, and the side surface part of the cam disc of the cartridge is set to be in contact connection with the first driving wheel.

The invention designs that the guide rail is connected with the rotating frame, the lower end surface of the guide rail is connected with the second driving wheel in a contact mode, the guide rail is arranged to be an arc-shaped plate-shaped body, and the guide rail is distributed along one section of the periphery of the rotating frame.

The invention provides that the support is connected with the rotating frame in a rotating mode and is connected with the second crank arm in a rotating mode, and the support is arranged to be a circular tubular body.

The invention designs that the second crank arm is arranged into an L-shaped rod-shaped body, the middle part of the transverse part of the second crank arm is connected with the support, the end head of the transverse part of the second crank arm is connected with the pressing claw, and the end head of the vertical part of the second crank arm is rotatably connected with the second driving wheel.

The invention provides that the second drive wheel is provided as a rolling bearing and the inner ring of the second drive wheel is provided for coupling with the second crank arm, the outer ring of the second drive wheel being provided for contact coupling with the guide rail.

The invention designs that the pressing claw is connected with the second crank arm and is arranged into a U-shaped rod-shaped body.

The invention designs that a rotating frame, a gluing device and a cover pressing device are distributed according to a mode of firstly gluing and then mounting a cover, the rotating frame, the gluing device, the cover pressing device, a third clamping plate, a first crank arm, a first driving wheel and a clamping box cam disc are distributed according to a clamping and fixing mode, the rotating frame, the gluing device, the cover pressing device, a guide rail, a second driving wheel, a second crank arm, a support and a pressing claw are distributed according to a pressing and fixing mode, a third clamping plate, a first crank arm and a first driving wheel are arranged to form a group of clamping and fixing parts, a plurality of groups of clamping and fixing parts are respectively arranged between the rotating frame and the clamping box cam disc, a second driving wheel, a second crank arm, a support and a pressing claw are arranged to form a group of pressing and fixing parts, and a plurality of groups of pressing and fixing parts are respectively arranged between the rotating frame and the guide rail, a set of compression fixation components is arranged between the two sets of clamping fixation components, and the belt wheel part is arranged to be connected with the vertical bracket 8.

The invention provides that the lifting device is arranged as a scraper belt conveying device and is arranged on the sorting device.

The invention relates to a sorting device, which is arranged to comprise a cylinder shell, a rotating disc, a support rod, a poking rod and a torsion spring, wherein the rotating disc is arranged in the cylinder shell, the rotating disc is arranged to be rotationally connected with the cylinder shell, a containing window is arranged on the peripheral side surface part of the rotating disc, a discharge window is arranged on the side wall of the cylinder shell, the support rod is arranged on the upper end surface part of the discharge window, the support rod is arranged to be connected with the cylinder shell, the poking rod is arranged on the rotating disc, the right side surface part of the poking rod is arranged to be distributed along the inner side surface part of the containing window, the poking rod is arranged to be rotationally connected with the support rod, the torsion spring is arranged between the poking rod and the support rod, the cylinder shell is arranged to be a circular tubular body, the support rod is arranged, the discharge window is set to be a rectangular hole-shaped body and is set to be connected with the input end opening of the conveying guide rail groove through a chute, the chute arranged between the discharge window and the conveying guide rail groove is set to be distributed in an inclined mode, and a lifting device is arranged at the opening part of the cylindrical shell.

The invention designs that the conveying guide rail groove comprises a first section of rear side plate, a second section of rear side plate, a front side plate and a bottom plate, the lower end surface part of the first section of rear side plate, the lower end surface part of the second section of rear side plate and the lower end surface part of the front side plate are respectively connected with the upper end surface part of the bottom plate, a correcting belt and a rotating wheel set are respectively arranged between the right end head of the first section of rear side plate and the left end head of the second section of rear side plate, the bottom plate is connected with the rotating wheel set, the left end head of the first section of rear side plate and the left end head of the front side plate are connected with a sorting device through a chute, the right end head of the second section of rear side plate and the right end head of the front side plate are connected with a cover pressing device in a butt joint mode, the first section of rear side plate, the second section of rear side plate, the front side plate and the bottom plate are respectively arranged into, the ratio of the distance between the correction belt and the front side plate to the diameter of the cover is set to 1.18-1.22 and the ratio of the distance between the second section rear side plate and the front side plate to the diameter of the cover is set to 1.05-1.09.

The invention designs that the correcting belt is arranged to be connected with the rotating wheel set in a surrounding mode, a strip-shaped flange body is arranged on the outer side face of the correcting belt, and the strip-shaped flange body of the correcting belt is arranged to be distributed corresponding to the conveying guide rail groove.

The invention designs that the rotating wheel group is arranged to comprise a driving runner, a first left driven runner, a second left driven runner, a first right driven runner and a second right driven runner, wherein the driving runner, the first left driven runner, the second left driven runner, the first right driven runner and the second right driven runner are respectively arranged to be rotatably connected with the conveying guide rail groove, the driving runner, the first left driven runner, the second left driven runner, the first right driven runner and the second right driven runner are respectively arranged to be connected with the correcting belt, the driving runner is arranged to be connected with an end shaft of the driving power source, the first left driven runner and the second left driven runner and the first right driven runner and the second right driven runner are respectively arranged to be distributed along the central line of the driving runner from left to right, and the connecting line of the center of the second left driven runner and the center of the second right driven runner is arranged to be mutually parallel with the central line of the conveying guide rail groove, the first left driven runner, the second left driven runner, the first right driven runner and the second right driven runner are arranged to be in contact type connection with the inner side face of the correction belt and the driving runner is arranged to be in contact type connection with the outer side face of the correction belt.

The invention designs that a rotating frame is arranged into a lower rotating disc, an upper rotating disc and a rotating shaft, the lower rotating disc and the upper rotating disc are respectively connected with the rotating shaft in a series mode, the upper rotating disc is arranged on the lower rotating disc, the upper rotating disc and the lower rotating disc are arranged to be distributed in a circular frustum shape, the end of the rotating shaft is arranged to be connected with an output end shaft of a servo motor, the lower rotating disc is arranged to be connected with a supporting pad, the lower rotating disc is respectively arranged to be connected with a front push plate and a rear push plate in a sliding mode, pin shafts respectively connected with a first clamping plate and a second clamping plate are respectively arranged to be connected with the lower rotating disc and the upper rotating disc, a gluing device and a cover pressing device are arranged on the upper end face of the lower rotating disc, the lower rotating disc.

The invention designs that a first clamping plate and a second clamping plate are respectively arranged into rectangular platy bodies and are respectively connected with a rotating frame through pin shafts, a double-head telescopic cylinder is arranged between the first clamping plate and the second clamping plate, the first clamping plate is arranged to be distributed along one side surface of a front push plate and one side surface of a rear push plate, the second clamping plate is arranged to be distributed along the other side surface of the front push plate and one side surface of the rear push plate, and a supporting pad is arranged between the first clamping plate and the second clamping plate.

The invention designs that the front push plate and the rear push plate are respectively arranged into a rectangular sheet body, the front push plate and the rear push plate are respectively arranged to be connected with the telescopic end part of the thrust telescopic cylinder through a connecting rod, the front push plate and the rear push plate are arranged to be distributed along the central line of the rotating frame in the left-right direction, the front push plate is arranged between the stacking chain device and the rotating frame, and the rear push plate is arranged between the rotating frame and the discharging conveying device.

The invention designs that the shell of the telescopic thrust cylinder is connected with the chain pushing device, and the telescopic end part of the telescopic thrust cylinder is respectively connected with the front push plate and the rear push plate through the connecting rod.

The invention designs that the moving direction of the stacking chain device is set to be mutually vertical to the moving direction of the feeding conveying device, a supporting pad is arranged between baffles of the stacking chain device, one side surface part of the stacking chain device is set to be connected with an output end opening part of the feeding conveying device, the other side surface part of the stacking chain device is set to be connected with a rotating frame, and the stacking chain device is set to be connected with a thrust expansion cylinder.

The invention designs that a feeding conveying device and a discharging conveying device are respectively arranged as belt conveying devices, and an input port of the discharging conveying device is connected with a rotating frame.

The invention designs a cover pressing device which comprises a supporting box shell, a second motor, a swinging arm, a carrying arm, a vacuum chuck, a claw piece, a right positioning block, a left positioning block, a screw rod, a left positioning rod and a right positioning rod, wherein the supporting box shell is connected with the second motor, an end shaft of the second motor is hinged with one end of the swinging arm, the other end of the swinging arm is hinged with the carrying arm, a containing groove body is arranged at the lower end surface part of the supporting box shell, the carrying arm is arranged in the containing groove body of the supporting box shell, a sliding groove body is arranged at the side part of the supporting box shell, the right positioning block and the left positioning block are respectively arranged in the sliding groove body of the supporting box shell, the screw rod is in threaded connection with the supporting box shell, the upper end of the screw rod is respectively connected with the right positioning block and the left positioning block, a right positioning rod is arranged at the right side part of the carrying arm, and the right positioning, a left positioning rod is arranged on the left side surface of the carrying arm and is connected with the left positioning block in a contact way, a vacuum chuck is arranged at the lower end of the carrying arm, a claw piece is arranged on the periphery of the lower end of the carrying arm, the middle part of the claw piece is connected with the carrying arm through a pin shaft, the upper end surface of the claw piece is connected with the outer side surface of the vacuum chuck in a contact way, the lower end of the carrying arm is arranged on the upper end surface of the rotating frame, a supporting box shell is arranged on the side surface of the rotating frame, the supporting box shell is a rectangular box body, a swinging arm, the left positioning rod and the right positioning rod are rectangular strip-shaped bodies, the carrying arm is a T-shaped plate-shaped body with a round head at the lower end, the right positioning block and the left positioning block are respectively arranged into a seat-shaped body, at least three gripper pieces are arranged and distributed along the periphery of the lower end head of the carrying arm.

The invention designs that the supporting pads are arranged into a frame, string rods, springs and balls, the balls are arranged to be connected with the string rods in series, the ends of the string rods are respectively arranged to be connected with the inner wall of the frame, the springs are arranged between the balls arranged on the ends of the string rods and the inner wall of the frame, the springs are arranged to be connected with the string rods in series, the frame is arranged into a rectangular frame, the string rods are arranged into round rod-shaped bodies, the balls are arranged into spherical bodies, one string rod, two springs and a plurality of balls are arranged to form a group of movable supporting parts, and a plurality of groups of movable supporting parts are arranged to be distributed at intervals along the central.

The invention designs that a rotating frame, a gluing device and a cover pressing device are arranged to be distributed in a mode of firstly gluing and then mounting a cover, the rotating frame, a first clamping plate and a second clamping plate are arranged to be distributed in a clamping and fixing mode, the rotating frame, a front push plate, a rear push plate, a push telescopic cylinder, a stacking chain device, a feeding conveying device and a discharging conveying device are arranged to be distributed in a mode of liquid packaging box thrust motion, a central line of the gluing device and a central line of the cover pressing device are respectively arranged to be distributed along one of circumferential lines with the center of the rotating frame as a circle center, a first clamping plate, a second clamping plate and a supporting pad are arranged to form a group of clamping and fixing parts, and the central lines of the groups of clamping and fixing parts are arranged to be distributed along one of circumferential lines with the center of the rotating frame as the circle center.

The invention designs a cover pasting method for a liquid packaging box, which comprises the following steps: the working state of the liquid packaging box, the gluing working state and the cover pressing working state are in a single-station motion state, and the other two stations are in a static state, so that the cover pasting process of the liquid packaging box is completed.

The invention designs that the method comprises the following steps: the driving shaft part is driven by a motor to rotate on the bottom plate part to drive the supporting plate to rotate, the liquid packaging box is placed between two third clamping plates, a first driving wheel is in contact with a convex part of a cam disc of the clamping box, the third clamping plates are driven to rotate on the supporting plate through a first crank arm, the two third clamping plates are folded inwards, so that the liquid packaging box is clamped between the two third clamping plates, the attaching cover is attracted and fixed by a vacuum chuck, a hot melt adhesive is coated on a ring opening part of the attaching cover through a gluing device, the supporting plate is driven to rotate through the driving shaft part, the liquid packaging box clamped between the two third clamping plates is moved to the lower end of a swinging arm part, meanwhile, the swinging arm part is driven to rotate for 180 degrees through a wheel driving part, the attaching cover coated with the hot melt adhesive is turned over, and the attaching cover coated with the hot melt adhesive is placed on the liquid packaging box clamped between the two third clamping plates, the supporting plate is driven to rotate through the driving shaft part, the second driving wheel arranged on the liquid packaging box clamped between the two third clamping plates is contacted with the guide rail to drive the first crank arm to swing on the support seat, so that the pressing claw acts on the sticking cover clamped on the liquid packaging box clamped between the two third clamping plates, the sticking cover is pressed and positioned to be connected with the liquid packaging box, when the second driving wheel arranged on the liquid packaging box clamped between the two third clamping plates is separated from the guide rail, the first crank arm is driven to reversely swing on the support seat, so that the pressing claw does not act on the sticking cover clamped on the liquid packaging box clamped between the two third clamping plates, and simultaneously, the first driving wheel on the third clamping plate clamped with the liquid packaging box is contacted with the concave part of the clamping box cam disc, and the third clamping plate clamped with the liquid packaging box reversely rotates on the supporting plate through the first crank arm, under the effect of magnetic block, two adjacent third grip blocks are laminated and clamped tightly, and the liquid packaging box provided with the attaching cover falls down and is taken out from between the two third grip blocks.

The invention designs that the method comprises the following steps: the lifting device conveys the cover into the cylindrical shell, when the rotating disc rotates, the cover is taken by the accommodating window, the poke rod swings with the support rod under the action of the torsion spring, the poke rod pushes the cover outwards, the cover enters the chute through the discharge window, the cover enters between the first section rear side plate and the front side plate through the chute, the driving runner rotates to drive the correcting belt to rotate on the first left driven runner, the second left driven runner, the first right driven runner and the second right driven runner, when the cover enters between the correcting belt and the front side plate, the correcting belt drives the cover to rotate, so that the flange part at the bottom end of the cover is in contact positioning with the front side plate, the covers are sequenced in the same direction, and under the action of the thrust of the correcting belt, the covers enter the space between the rear side plate and the front side plate of the second section, so that the covers are conveyed to the lower end face of the vacuum chuck in the initial state.

The invention designs that the method comprises the following steps: the liquid packing box is put at the input end of the belt conveying device and enters between two third clamping plates corresponding to the beginning end of the concave part of the clamping box cam disc through the belt conveying device, the two third clamping plates rotate along with the supporting plate and enter into a section corresponding to the convex part of the clamping box cam disc, the two third clamping plates clamp the liquid packing box, the gluing device, the cover pressing device, the guide rail, the second driving wheel, the second crank arm, the support and the pressing claw are respectively in a working state in the section corresponding to the convex part of the clamping box cam disc, the two third clamping plates rotate along with the supporting plate and enter into a section corresponding to the tail end of the convex part of the clamping box cam disc, the two third clamping plates expand the liquid packing box, the liquid packing box falls behind and is put at the output end of the belt conveying device, when the motor drives the rotating plate to rotate, a driving acting force is generated on the upper end face part of the cover on the second section rear side plate, the cover is prevented from being stacked on the rear side plate of the second section.

The invention designs that the method comprises the following steps: the liquid packing boxes are placed between two baffle plates of a stacking chain device by the movement of the feeding conveying device, the bottom of the liquid packing box is placed on a supporting pad between the two baffle plates of the stacking chain device, the stacking chain device moves to move one of the liquid packing boxes to an opening part between a first clamping plate and a second clamping plate, a thrust telescopic cylinder drives a front push plate and a rear push plate to move, the front push plate moves one of the liquid packing boxes to a position between the first clamping plate and the second clamping plate, the rear push plate moves one of the liquid packing boxes provided with covers on the other side part to a discharging conveying device, the discharging conveying device moves one of the liquid packing boxes provided with covers to a turnover box, and a double-head telescopic cylinder between the first clamping plate and the second clamping plate drives the first clamping plate and the second clamping plate to fold, the first clamping plate and the second clamping plate are respectively clamped on the side part of one of the liquid packaging boxes, the bottom of one of the liquid packaging boxes is placed on the supporting pad between the first clamping plate and the second clamping plate, the rotating frame rotates, the part, provided with the cover, of one of the liquid packaging boxes moves to the lower end of the nozzle, the first motor drives the upper sliding block to perform one-cycle motion, the upper sliding block drives the lower sliding block to perform one-cycle motion through the transverse guide rail and the vertical guide rail, so that the nozzle on the inner frame performs one-cycle motion, meanwhile, the nozzle coats the bonding glue on the part, provided with the cover, of one of the liquid packaging boxes, the rotating frame rotates, the part, provided with the cover, coated with the bonding glue of one of the liquid packaging boxes moves to the lower end of the vacuum chuck, the swinging arm is arranged on the part, provided with the cover, and the, the cover is adsorbed by the vacuum chuck, the outer side face of the vacuum chuck protrudes outwards, the gripper sheet is folded to clamp the cover, the second motor performs half-cycle motion, the swing arm overturns by one hundred eighty degrees, the right positioning rod is in contact positioning with the right positioning block, the cover is pressed by the carrying arm on the part, coated with the adhesive glue, of one liquid packaging box, the vacuum chuck is separated from the cover, the outer side face of the vacuum chuck is folded, the gripper sheet is unfolded to loosen the cover, the cover of one liquid packaging box is installed, the rotating frame rotates, one liquid packaging box with the installed cover is moved to the input port of the discharging conveying device, the double-head telescopic cylinder between the first clamping plate and the second clamping plate drives the first clamping plate and the second clamping plate to unfold, and the rear push plate acts on one liquid packaging box with the installed cover.

The invention has the technical effects that: comprises a box clamping device for supporting a liquid packaging box, a gluing device which is arranged on the box clamping device and is used for coating adhesive on the liquid packaging box, a cover sucking device which is arranged on the box clamping device and is used for butting a cover on the liquid packaging box, the liquid packaging box is sequenced through the gluing device and the cover sucking device through the box clamping device, the gluing device realizes bearing of the adhesive on the liquid packaging box, the cover sucking device realizes the installation of the cover and the liquid packaging box, therefore, the connection strength of the cover and the liquid packaging box is improved, the box clamping device with a motion state, the gluing device and the cover sucking device with a rotary displacement are mutually connected according to the mode of increasing the bearing area of the adhesive, the gluing device and the cover sucking device are connected with the box clamping device according to the gluing process of the liquid packaging box, and the mode of the cover installing process is connected with the box clamping device, the cap bin is used for storing caps, the hoister conveys the caps in the cap bin to a conveying device of the cap arranging machine, the cap arranging machine conveys the caps to the cap attaching device according to a certain sequence, the box clamping system clamps the formed products entering through the chain for accurate positioning, after the gluing device and the cap attaching device complete work, the cap pressing device falls down through a main and private clothes motor to press the caps to rotate, the box clamping device and the cap attaching device are opened when the caps rotate to the chain, the finished products with the caps are packaged, the cap sucking device sucks and rotates the caps to the lower part by 180 degrees through suction force generated by a suction cup, namely a vacuum generator when the caps with the adhesives are adhered to the glued formed products, the gluing device sucks the caps by rotating device below the gluing device through a glue sucking eye after the box clamping system rotates the formed products to the cap sucking device below the gluing device, the electric eye detects that a cap gluing rotating device is provided with a circular track nozzle and starts to spray the adhesive, pouring the cover into a cover bin, conveying the cover by a lifter, arranging the cover, conveying the arranged cover to a cover suction device by a deviation correcting device and a conveying device, conveying the formed packaged product to a cover sticking machine box clamping device by a conveying chain plate, clamping and rotating the box by clamping plates (distributed according to a circumferential line) to the lower side of the cover suction device, uniformly coating the periphery of the rear side plane of the cover by hot melt adhesive through an adhesive spraying port in a circumferential track after the cover is taken by a sucker, driving the glued cover suction device to rotate 180 degrees by the sucker and a belt wheel, sticking the cover to the position of a row packaging aluminum foil hole, continuously rotating a cover pressing device by a box clamping device due to a cover pressing bearing, enabling a cover pressing cam to run into the front end of a guide rail to drop the glued cover for accurate positioning, and precisely operating the cover pressing device to the tail end of the guide rail to lift the cover pressing device when the box clamping device runs to an outlet station according to the circular track, meanwhile, the clamping plate is opened due to the fact that a clamping box bearing runs to the clamping box cam low point and the clamping box plate magnet (the same poles repel each other and the opposite poles attract each other), products enter a packaging workshop section through a conveying chain plate, in order to improve the problem of lid positioning accuracy, a gland device is designed, the position of a lid is ensured by accurately positioning through the gland device, in order to improve the problem of wire drawing, a suction lid rotating device is designed, the rotation of the lid is reduced by 180 degrees after gluing, the phenomenon of machine stopping and cleaning in the production process is avoided, in order to improve the phenomenon of lid falling or position deviation, a vacuum sucker type lid taking device is designed, and therefore the phenomena of lid falling, position deviation and the like are avoided.

In the technical scheme, the rotating frame, the gluing device and the cover pressing device which enable the working state of the liquid packaging box, the gluing working state and the cover pressing working state to be in a single-station motion state are important technical characteristics, and the cover pasting device and the cover pressing method for the liquid packaging box have novelty, creativity and practicability in the technical field.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Figure 1 is a schematic view of one of the first embodiments of the present invention,

figure 2 is a front view of figure 1,

figure 3 is a right side view of figure 1,

figure 4 is a schematic perspective view of the present invention,

figure 5 is a schematic view of a second embodiment of the present invention,

figure 6 is a schematic view of the structure of the sorting device 30,

FIG. 7 is a schematic view showing the connection of the conveyor guide groove 40, the correcting belt 50 and the rotating wheel group 60,

figure 8 is a schematic view of a third embodiment of the present invention,

figure 9 is a schematic view of a fourth embodiment of the present invention,

figure 10 is a front view of figure 9,

figure 11 is a schematic view of the structure of the support pad 4,

figure 12 is a schematic view of the construction of the gluing device 8,

FIG. 13 is a schematic view of a fourth embodiment of the cover pressing device 7 according to the present invention,

a third clamping plate-101, a first crank arm-102, a first driving wheel-103, a clamping box cam disc-104, a guide rail-901, a second driving wheel-902, a second crank arm-903, a support-904, a pressing claw-905, a bottom plate part-15, a driving shaft part-16, a support plate-17, a vertical support-18, a belt wheel part-701, a swinging arm part-702, a vacuum chuck-74, a belt conveying device-105, a rotating plate-106, a rotating frame-1, a first clamping plate-2, a second clamping plate-3, a supporting pad-4, a front push plate-5, a rear push plate-6, a gluing device-8, a cover pressing device-7, a telescopic thrust cylinder-91, a stacking chain device-92, a feeding conveying device-93, A discharge conveying device-94, a lower rotary disc-11, an upper rotary disc-12, a rotating shaft-13, a frame-41, a string rod 42, a spring-43, a ball-44, an outer frame-80, a first motor-81, a transverse guide rail-82, an upper sliding block-83, a vertical guide rail-84, a lower sliding block-85, an inner frame-86, a nozzle-87, a supporting box shell-70, a second motor-71, a swinging arm-72, a carrying arm-73, a vacuum chuck-74, a gripper sheet-75, a right positioning block-76, a left positioning block-77, a screw 79, a left positioning rod-711, a right positioning rod-712, a lifting device-20, a sorting device-30, a conveying guide rail groove-40, a correcting belt-50, a rotating wheel set-60, The device comprises a cylindrical shell-301, a rotating disc-302, a support rod-303, a poke rod-304, a torsion spring-305, an accommodating window-306, a discharge window-307, a first section rear side plate-401, a second section rear side plate-402, a front side plate-403, a bottom plate-404, a driving rotating wheel-601, a first left driven rotating wheel-602, a second left driven rotating wheel-603, a first right driven rotating wheel-604 and a second right driven rotating wheel-605.

Detailed Description

Terms such as "having," "including," and "comprising," as used with respect to the present invention, are to be understood as not specifying the presence or addition of one or more other elements or combinations thereof, in accordance with the examination guidelines.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other, and further, unless otherwise specified, the equipments and materials used in the following examples are commercially available, and if the processing conditions are not explicitly specified, please refer to the commercially available product specifications or follow the conventional method in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A cover sticking device for a liquid packaging box is disclosed, wherein FIG. 1 is one of the first embodiments of the present invention, which is specifically described in conjunction with the accompanying drawings, and comprises a rotary frame 1, a glue coating device 8, a cover pressing device 7, a third clamping plate 101, a first crank arm 102, a first driving wheel 103, a cassette cam disc 104, a guide track 901, a second driving wheel 902, a second crank arm 903, a support 904 and a pressing claw 905, wherein the glue coating device 8, the cover pressing device 7, the third clamping plate 101, the cassette cam disc 104, the guide track 901 and the support 904 are respectively arranged on the rotary frame 1, a first crank arm 102 is provided on the third chucking plate 101 and a first driving wheel 103 is provided between the cassette cam plate 104 and the first crank arm 102, a second crank arm 903 is provided on the support 904, a pressing claw 905 is provided on the second crank arm 903, and a second drive wheel 902 is provided between the second crank arm 903 and the guide rail 901.

In the present embodiment, the turret 1 is configured to include a bottom plate portion 15, a driving shaft portion 16, support plates 17 and vertical brackets 18, and the bottom plate portion 15 is provided to be rotatably coupled to the driving shaft portion 16, the lower end of the vertical brackets 18 and the lower end of the cassette cam disk 104 are configured to be coupled to the upper end of the bottom plate portion 15 and the driving shaft portion 16 is configured to be coupled to the support plates 17, the support plates 17 are configured to be rotatably coupled to the third clamping plate 101 and the support plates 17 are respectively configured to be coupled to the seats 904, the vertical brackets 18 are respectively configured to be coupled to the glue applying device 8 and the cover pressing device 7 and the upper end of the bottom plate portion 15 is configured to be coupled to the guide rail 901, the bottom plate portion 15 is configured to be a rectangular plate-like body and the driving shaft portion 16 is configured to be a circular rod-like body, the, the vertical supports 18 are provided as rectangular bars.

Through the rotating frame 1, a supporting connection point of the gluing device 8, the cover pressing device 7, the third clamping plate 101, the cassette cam disc 104, the guide rail 901 and the support 904 is formed, the connection with the gluing device 8 is realized through the vertical support 18, the connection with the cover pressing device 7 is realized, the connection with the third clamping plate 101 is realized through the driving shaft part 16 and the supporting plate 17, the connection with the support 904 is realized, the connection with the guide rail 901 is realized through the bottom plate part 15, the connection with the cassette cam disc 104 is realized, and the technical purpose is that: a support carrier for other components.

In the present embodiment, the glue applying device 8 is provided as an outer frame 80, a first motor 81, a lateral guide 82, an upper slider 83, a vertical guide 84, a lower slider 85, an inner frame 86, and a nozzle 87 and the outer frame 80 is provided to be coupled with the first motor 81 and the lateral guide 82, the lateral guide 82 is provided to be slidably coupled with the upper slider 83 and the upper slider 83 is provided to be coupled with an end shaft of the first motor 81, the vertical guide 84 is provided to be coupled with the upper slider 83, the lower slider 85 is provided to be slidably coupled with the vertical guide 84 and the lower slider 85 is provided to be coupled with the inner frame 86, the nozzle 87 is provided on the inner frame 86 and the nozzle 87 is provided at an upper end surface portion of the rotating frame 1, the nozzle 87 is provided to be communicated with the adhesive supply pump and the outer frame 80 is provided at a side portion of the rotating frame 1, the outer frame 80 and the inner frame 86 are respectively provided as rectangular frames and the, the upper slider 83 and the lower slider 85 are respectively provided as rectangular seats.

Through rubber coating device 8, formed the support tie point to the rotating turret 1, by outer frame 80, realized being connected with rotating turret 1, by first motor 81, transverse guide 82, go up slider 83, vertical guide 84 and lower slider 85, realized the all-round swing joint of inner frame 86, by inner frame 86, realized being connected with nozzle 87, by nozzle 87, realized with pressing the connection of covering device 7, its technical aim lies in: used for gluing the attaching cover.

In the present embodiment, the capping device 7 is configured to include a pulley portion 701, a swing arm portion 702, and a vacuum chuck 74, and a middle portion of the pulley portion 701 is configured to be rotatably coupled to the turret 1, an inner end of the pulley portion 701 is configured to be coupled to a middle portion of the swing arm portion 702 and one end of the swing arm portion 702 is configured to be coupled to the vacuum chuck 74, the swing arm portion 702 is disposed between the third clamping plate 101 and the glue applying device 8, the pulley portion 701 is configured as a T-shaped shaft, and the swing arm portion 702 is configured as a rectangular bar.

Through pressing the lid device 7, formed the support connection point to rotating turret 1, rubber coating device 8 and third grip block 101, by band pulley part 701, realized being connected with rotating turret 1, by swing arm part 702, realized being connected with rubber coating device 8, realized being connected with third grip block 101, by vacuum chuck 74, realized snatching the subsides lid, its technical aim at: is used for installing the paste cover on the liquid packaging box.

In the present embodiment, the third clamping plates 101 are configured to be coupled with the rotating frame 1 through pins and the inner end surface portions of the rotating frame 1 are configured to be coupled with the first crank arms 102, the third clamping plates 101 are configured to be rectangular plate-shaped bodies and the third clamping plates 101 are configured to be distributed at intervals along the periphery of the rotating frame 1, and magnetic bodies are respectively disposed on two adjacent third clamping plates 101.

Through third grip block 101, formed the support tie point to rotating turret 1 and first turning arm 102, by third grip block 101, realized being connected with rotating turret 1, realized being connected with first turning arm 102, its technical aim at: used for clamping the liquid packaging box.

In the present embodiment, the first crank arm 102 is provided as an L-shaped rod-shaped body and the outer end of the first crank arm 102 is provided to be coupled with the third clamping plate 101, and the inner end of the first crank arm 102 is provided to be rotatably coupled with the first driving wheel 103.

Through first crank arm 102, formed the support connection point to third grip block 101 and first drive wheel 103, realized being connected with third grip block 101 by first crank arm 102, realized being connected with first drive wheel 103, its technical aim at: for driving the third clamping plate 101 to swing on the rotating frame 1.

In the present embodiment, the first drive wheel 103 is provided as a rolling bearing and the inner race of the first drive wheel 103 is provided to be coupled with the first crank arm 102 and the outer race of the first drive wheel 103 is provided to be coupled in contact with the cartridge cam plate 104.

The first driving wheel 103 forms a supporting connection point for the first crank arm 102 and the cartridge cam plate 104, the first driving wheel 103 realizes connection with the first crank arm 102 and connection with the cartridge cam plate 104, and the technical purposes are as follows: for driving the first crank arm 102 to oscillate with the cartridge cam plate 104.

In the present embodiment, the magazine cam plate 104 is provided as a circular cam and the intermediate portion of the magazine cam plate 104 is provided to be coupled with the turret 1, and the side surface portion of the magazine cam plate 104 is provided to be coupled in contact with the first drive wheel 103.

The supporting connection point of the rotating frame 1 and the first driving wheel 103 is formed through the cartridge cam disc 104, the connection with the rotating frame 1 and the first driving wheel 103 is realized through the cartridge cam disc 104, and the technical purposes are that: for acting as a driving wheel for the oscillation of the third clamping plate 101.

In the present embodiment, the guide rail 901 is provided to be coupled to the turret 1 and the lower end surface portion of the guide rail 901 is provided to be coupled in contact with the second drive wheel 902, the guide rail 901 is provided as an arc-shaped plate-like body and the guide rail 901 is provided to be distributed along one of the sections of the periphery of the turret 1.

Through guide rail 901, the support connection point to revolving rack 1 and second drive wheel 902 has been formed, by guide rail 901, has realized being connected with revolving rack 1, has realized being connected with second drive wheel 902, its technical aim at: a brake plate for swinging as the pressing claw 905.

In this embodiment, the seat 904 is arranged to be coupled to the turret 1 and the seat 904 is arranged to be rotatably coupled to the second crank arm 903, the seat 904 being arranged as a circular tubular body.

Through support 904, formed the support tie point to rotating turret 1 and second turning arm 903, by support 904, realized being connected with rotating turret 1, realized being connected with second turning arm 903, its technical aim at: for serving as a support carrier for the rotation of the second crank arm 903.

In the present embodiment, the second crank arm 903 is provided as an L-shaped rod-shaped body and the middle portion of the lateral portion of the second crank arm 903 is provided to be coupled to the mount 904, the tip of the lateral portion of the second crank arm 903 is provided to be coupled to the pressing claw 905 and the tip of the vertical portion of the second crank arm 903 is provided to be rotatably coupled to the second drive wheel 902.

Through second turning arm 903, formed the support tie point to second drive wheel 902, support 904 and pressure claw 905, by second turning arm 903, realized being connected with second drive wheel 902, realized being connected with support 904, realized being connected with pressure claw 905, its technical aim at: for driving the pressing claw 905 to swing.

In the present embodiment, the second drive wheel 902 is provided as a rolling bearing and the inner race of the second drive wheel 902 is provided to be coupled with the second crank arm 903 and the outer race of the second drive wheel 902 is provided to be coupled in contact with the guide rail 901.

Through second drive wheel 902, formed the support connection point to second crank arm 903 and guide rail 901, realized being connected with second crank arm 903 by second drive wheel 902, realized being connected with guide rail 901, its technical objective is: for driving the second crank arm 903 to swing along with the guide rail 901.

In the present embodiment, the pressing claw 905 is provided to be coupled to the second crank arm 903 and the pressing claw 905 is provided as a U-shaped rod-like body.

Through pressing claw 905, formed the support tie point to second turning arm 903, by pressing claw 905, realized being connected with second turning arm 903, its technical aim at: the pressing and positioning device is used for pressing and positioning the attaching cover and the liquid packaging box.

In the present embodiment, the turret 1 and the glue application device 8 and the cover-pressing device 7 are arranged to be distributed in such a way that the glue is applied first and then the cover is attached, and the turret 1, the glue application device 8 and the cover-pressing device 7 and the third clamping plate 101, the first crank arm 102, the first drive wheel 103 and the cassette cam plate 104 are arranged to be distributed in such a way that they are clamped and fixed, the turret 1, the glue application device 8 and the cover-pressing device 7 and the guide 901, the second drive wheel 902, the second crank arm 903, the support 904 and the pressing claw 905 are arranged to be distributed in such a way that they are clamped and fixed, one third clamping plate 101, one first crank arm 102 and one first drive wheel 103 are arranged to form one set of clamping and fixing parts and a plurality of sets of clamping and fixing parts are arranged between the turret 1 and the cassette cam plate 104, respectively, one second drive wheel 902, one second crank arm 903, one support 904 and one pressing claw 905 are arranged to form one set of pressing and a plurality of pressing and fixing parts are arranged between the 901, a set of compression-fastening fixing members is provided between the two sets of clamping fixing members, and the pulley portion 701 is provided to be coupled with the vertical bracket 18.

The invention is further described below with reference to the following examples, which are intended to illustrate the invention but not to limit it further.

A method for applying a cover to a liquid packing box, according to a first embodiment of the present invention, comprises the steps of: the driving shaft part 16 is driven by a motor to rotate on the bottom plate part 15 to drive the supporting plate 17 to rotate, the liquid packaging box is placed between the two third clamping plates 101, the first driving wheel 103 is in contact with the convex part of the clamping box cam disc 104, the third clamping plates 101 are driven to rotate on the supporting plate 17 through the first connecting lever 102, the two third clamping plates 101 are folded inwards, so that the liquid packaging box is clamped between the two third clamping plates 101, the adhering cover is sucked and fixed by the vacuum suction cup 74, the hot melt adhesive is coated on the ring opening part of the adhering cover through the gluing device 8, the supporting plate 17 is driven to rotate through the driving shaft part 16, the liquid packaging box clamped between the two third clamping plates 101 is moved to the lower end of the swinging arm part 702, meanwhile, the swinging arm part 702 is driven to rotate for 180 degrees through the belt wheel part 701, the adhering cover coated with the hot melt adhesive is turned over, and the adhering cover coated with the hot melt adhesive is placed on the liquid packaging box clamped between the two third clamping plates 101, the supporting plate 17 is driven to rotate by the driving shaft part 16, the second driving wheel 902 arranged on the liquid packaging box clamped between the two third clamping plates 101 is contacted with the guide rail 901, the first crank arm 102 is driven to swing on the support 904, the pressing claw 905 acts on the attaching cover on the liquid packaging box clamped between the two third clamping plates 101, the attaching cover is pressed and positioned, the attaching cover is connected with the liquid packaging box, when the second driving wheel 902 arranged on the liquid packaging box clamped between the two third clamping plates 101 is separated from the guide rail 901, the first crank arm 102 is driven to swing reversely on the support 904, the pressing claw 905 does not act on the attaching cover on the liquid packaging box clamped between the two third clamping plates 101, and simultaneously, the first driving wheel 103 on the third clamping plate 101 clamping the liquid packaging box is contacted with the concave part of the clamping box cam plate 104, and the first crank arm 102, the third clamping plates 101 clamping the liquid packaging box rotate reversely in the supporting plate 17, under the action of the magnetic blocks, two adjacent third clamping plates 101 are attached and clamped, and the liquid packaging box provided with the attached cover falls down and is taken out from between the two third clamping plates 101.

A cover attaching device for liquid packaging box, fig. 5 is a second embodiment of the present invention, which is specifically described with reference to the drawings, and further includes a lifting device 20, a sorting device 30, a conveying guide rail groove 40, a correcting belt 50 and a rotating wheel set 60, wherein an input port of the lifting device 20 is disposed in the cover storage box, an output port of the lifting device 20 is configured to be coupled to an input port of the sorting device 30, an output port of the sorting device 30 is configured to be coupled to an input port of the conveying guide rail groove 40, an output port of the conveying guide rail groove 40 is disposed on the cover pressing device 7, the rotating wheel set 60 is disposed on the conveying guide rail groove 40, and the correcting belt 50 is disposed on the rotating wheel set 60.

In the present embodiment, the lifting device 20 is provided as a flight belt conveyor and the lifting device 20 is provided on the sorting device 30.

By means of the lifting device 20, a supporting connection point to the sorting device 30 is formed, by means of the lifting device 20, a connection with the sorting device 30 is achieved, the technical purpose of which is: for the transport of the lid.

In the present embodiment, the sorting apparatus 30 is configured to include a cylindrical case 301, a rotary disk 302, a support rod 303, a tap lever 304 and a torsion spring 305 and the rotary disk 302 is disposed in the cylindrical case 301, the rotary disk 302 is configured to be rotatably coupled with the cylindrical case 301 and a receiving window 306 is disposed at a peripheral side portion of the rotary disk 302, a discharge window 307 is disposed on a side wall of the cylindrical case 301 and a support rod 303 is disposed at an upper end surface portion of the discharge window 307, the support rod 303 is configured to be coupled with the cylindrical case 301 and the tap lever 304 is disposed on the rotary disk 302, a right side portion of the tap lever 304 is configured to be arranged along an inner side portion of the receiving window 306 and the tap lever 304 is configured to be rotatably coupled with the support rod 303, the torsion spring 305 is disposed between the tap lever 304 and the support rod 303 and the cylindrical case 301 is configured as a circular, the tap lever 304 is provided as a plate-like body having an arc-shaped flange portion on the right side face portion and the accommodation window 306 is provided as an arc-shaped groove body, the discharge window 307 is provided as a rectangular hole-like body and the discharge window 307 is provided to be coupled with the input port portion of the conveyor rail groove 40 through a chute, the chutes provided between the discharge window 307 and the conveyor rail groove 40 are provided to be distributed in an inclined manner and the lifting means 20 is provided at the open portion of the cylindrical shell 301.

Through sorting device 30, formed the support connection point to hoisting device 20 and delivery guide groove 40, by drum shell 301, realized being connected with hoisting device 20, by discharge window 307, realized being connected with delivery guide groove 40, by rotating disc 302 and holding window 306, realized the letter sorting processing to the lid, by bracing piece 303, poker rod 304 and torsion spring 305, realized the discharge thrust to the lid, its technical aim lies in: for aligning the caps.

In this embodiment, the conveying guide rail groove 40 is configured to include a first section rear side plate 401, a second section rear side plate 402, a front side plate 403 and a bottom plate 404, and a lower end surface portion of the first section rear side plate 401, a lower end surface portion of the second section rear side plate 402 and a lower end surface portion of the front side plate 403 are respectively configured to be coupled to an upper end surface portion of the bottom plate 404, a correction belt 50 and a rotating wheel set 60 are respectively disposed between a right end of the first section rear side plate 401 and a left end of the second section rear side plate 402 and the bottom plate 404 is configured to be coupled to the rotating wheel set 60, a left end of the first section rear side plate 401 and a left end of the front side plate 403 are configured to be coupled to the sorting device 30 through a chute, a right end of the second section rear side plate 402 and a right end of the front side plate 403 are configured to be coupled to the cover pressing device 7 in an abutting manner, the first section rear side plate 401, the second section rear side plate 402, the front side plate The ratio of the diameter is set to 1.5-1.78, the ratio of the distance between the correction belt 50 and the front plate 403 to the diameter of the cover is set to 1.18-1.22 and the ratio of the distance between the second section of the rear plate 402 and the front plate 403 to the diameter of the cover is set to 1.05-1.09.

Through conveying guide rail groove 40, formed to pressing and covering device 7, sorting device 30, correct the support tie point of belt 50 and rotating wheel group 60, by first section posterior lateral plate 401 and preceding curb plate 403, realized being connected with sorting device 30, by preceding curb plate 403, realized with correcting being connected of belt 50, by bottom plate 404, realized with rotating wheel group 60 being connected, by second section posterior lateral plate 402 and preceding curb plate 403, realized with pressing and covering device 7's connection, its technical aim at: for sequenced delivery of caps.

In the present embodiment, the correcting belt 50 is disposed to be coupled to the rotating wheel group 60 in a circling manner and a strip-shaped flange body is disposed at an outer side surface portion of the correcting belt 50, and the strip-shaped flange body of the correcting belt 50 is disposed to be distributed corresponding to the conveying guide groove 40.

Through correcting belt 50, formed the support tie point to transfer guide groove 40 and runner group 60, by correcting belt 50, realized being connected with transfer guide groove 40, realized being connected with runner group 60, by the strip flange body who corrects belt 50, realized the drive rotation to the lid, its technical aim at: for correcting the ordering of the lids.

In the present embodiment, the rotating wheel set 60 is configured to include a driving runner 601, a first left driven runner 602, a second left driven runner 603, a first right driven runner 604 and a second right driven runner 605, and the driving runner 601, the first left driven runner 602, the second left driven runner 603, the first right driven runner 604 and the second right driven runner 605 are respectively configured to be rotatably coupled with the conveying guide rail groove 40, the driving runner 601, the first left driven runner 602, the second left driven runner 603, the first right driven runner 604 and the second right driven runner 605 are respectively configured to be coupled with the correcting belt 50, and the driving runner 601 is configured to be coupled with an end shaft of a driving power source, the first left driven runner 602 and the second left driven runner 603 and the first right driven runner 604 and the second right driven runner 605 are respectively configured to be distributed left and right along a center line of the driving runner 601, and a connecting line of a center of the second left driven runner 603 and a center of the second right driven runner 605 is configured to be distributed left and right of the conveying guide rail groove 40 The center lines are distributed in parallel with each other, the first left driven runner 602, the second left driven runner 603, the first right driven runner 604 and the second right driven runner 605 are arranged to be in contact-type connection with the inner side surface of the correction belt 50, and the driving runner 601 is arranged to be in contact-type connection with the outer side surface of the correction belt 50.

Through rotating wheelset 60, formed the support connection point to delivery guide groove 40 and correction belt 50, by initiative runner 601, first left driven runner 602, second left driven runner 603, first right driven runner 604 and second right driven runner 605, realized being connected with delivery guide groove 40, realized and corrected belt 50's being connected, its technical aim at: for generating power for sequencing corrections to the lids.

The second embodiment of the invention relates to a method for attaching a cover to a liquid packaging box, which comprises the following steps: the cover is conveyed into the cylindrical shell 301 by the lifting device 20, when the rotating disc 302 rotates, the cover is taken out by the accommodating window 306, the poke rod 304 swings with the support rod 303 under the action of the torsion spring 305, the poke rod 304 pushes the cover outwards, the cover enters the chute through the discharge window 307, the cover enters between the first section rear side plate 401 and the front side plate 403 through the chute, the driving runner 601 rotates to drive the correcting belt 50 to rotate between the first left driven runner 602, the second left driven runner 603, the first right driven runner 604 and the second right driven runner 605, when the cover enters between the correcting belt 50 and the front side plate 403, the correcting belt 50 drives the cover to rotate, so that the bottom flange part of the cover is in contact with and positioned on the front side plate 403, the cover is sequenced in the same direction, and under the action of the pushing force of the correcting belt 50, the cover enters between the second section rear side plate 402 and the front side plate 403, thereby transporting the lid to the lower end surface of the vacuum chuck 74 in the initial state.

In one of the supporting embodiments of the second embodiment of the present invention, the ratio of the distance between the first section of the rear side plate 401 and the front side plate 403 to the diameter of the cover is set to 1.5, the ratio of the distance between the correction belt 50 and the front side plate 403 to the diameter of the cover is set to 1.18, and the ratio of the distance between the second section of the rear side plate 402 and the front side plate 403 to the diameter of the cover is set to 1.05.

In the second support embodiment of the second first embodiment of the present invention, the ratio of the distance between the first section of the rear side plate 401 and the front side plate 403 to the diameter of the cover is set to 1.78, the ratio of the distance between the correction belt 50 and the front side plate 403 to the diameter of the cover is set to 1.22, and the ratio of the distance between the second section of the rear side plate 402 and the front side plate 403 to the diameter of the cover is set to 1.09.

In the third supporting embodiment of the second embodiment of the present invention, the ratio of the distance between the first section of the rear side plate 401 and the front side plate 403 to the diameter of the cover is set to 1.64, the ratio of the distance between the correction belt 50 and the front side plate 403 to the diameter of the cover is set to 1.20, and the ratio of the distance between the second section of the rear side plate 402 and the front side plate 403 to the diameter of the cover is set to 1.07.

A cover attaching device for a liquid packaging box, figure 8 is a third embodiment of the invention, and further comprises a belt conveying device 105 and a rotating plate 106, wherein the belt conveying device is arranged at the lower end part of one side surface of a rotating frame 1 and is arranged to be distributed corresponding to the concave part of a cassette cam disc 104, a conveying guide rail groove 40 is arranged at the upper end part of the other side surface of the rotating frame 1 and is arranged to be distributed corresponding to the starting end of the convex part of the cassette cam disc 104, the rotating plate 106 is arranged at the upper end of a second section rear side plate 402 and is arranged to be coupled with an end shaft of a motor, and the rotating plate 106 is arranged to be a circular sheet-shaped body.

The third embodiment of the invention relates to a method for attaching a cover to a liquid packaging box, which comprises the following steps: the liquid packaging box is put at the input end of the belt conveying device 105, enters between two third clamping plates 101 corresponding to the beginning end of the concave part of the cassette cam disc 104 through the belt conveying device 105, the two third clamping plates 101 rotate along with the supporting plate 17 and enter into a section corresponding to the convex part of the cassette cam disc 104, the two third clamping plates 101 clamp the liquid packaging box, the gluing device 8, the cover pressing device 7, the guide rail 901, the second driving wheel 902, the second crank arm 903, the support 904 and the pressing claw 905 are respectively in an operating state in the section corresponding to the convex part of the cassette cam disc 104, the two third clamping plates 101 rotate along with the supporting plate 17 and enter into a section corresponding to the tail end of the convex part of the cassette cam disc 104, the two third clamping plates 101 expand the liquid packaging box, and the liquid packaging box is put at the output end of the belt conveying device 105 after falling, when the motor drives the rotating plate 106 to rotate, a driving acting force is generated on the upper end face part of the cover on the second section rear side plate 402, and the cover is prevented from being stacked on the second section rear side plate 402.

A cover attaching device for liquid packaging box, fig. 9 is a fourth embodiment of the present invention, which is specifically described in conjunction with the accompanying drawings and comprises a rotating frame 1, a first clamping plate 2, a second clamping plate 3, a supporting pad 4, a front pushing plate 5, a rear pushing plate 6, a glue coating device 8, a cover pressing device 7, a thrust telescopic cylinder 91, a stacking chain device 92, a feeding conveying device 93 and a discharging conveying device 94,

an outlet conveying device 94 is arranged on one side surface of the rotating frame 1, a stacking chain device 92 is arranged on the other side surface of the rotating frame 1, an outlet end part of the inlet conveying device 93 is arranged on one side surface of the stacking chain device 92, a glue coating device 8 and a cover pressing device 7 are arranged between the stacking chain device 92 and the outlet conveying device 94 in sequence, be provided with first grip block 2 on turret 1 respectively, second grip block 3, preceding push pedal 5 and back push pedal 6 and preceding push pedal 5 and back push pedal 6 set up the flexible tip at thrust telescoping cylinder 91 respectively, preceding push pedal 5 sets up in one of them another side portion of frame chain device 92 and back push pedal 6 sets up the input port portion at ejection of compact conveyor 94, first grip block 2 and second grip block 3 set up to be the distribution of closure mode and supporting pad 4 sets up respectively on turret 1 and frame chain device 92.

In this embodiment, the rotary frame 1 is configured as a lower rotary table 11, an upper rotary table 12 and a rotary shaft 13, the lower rotary table 11 and the upper rotary table 12 are respectively configured to be connected in series with the rotary shaft 13, the upper rotary table 12 is disposed on the lower rotary table 11, the upper rotary table 12 and the lower rotary table 11 are configured to be distributed in a circular frustum, the end of the rotary shaft 13 is configured to be connected with an output shaft of the servo motor and the lower rotary table 11 is configured to be connected with the supporting pad 4, the lower rotary table 11 is configured to be connected with the front push plate 5 and the rear push plate 6 in a sliding manner and configured to be connected with the first clamping plate 2 and the second clamping plate 3 respectively, the pin shafts are configured to be connected with the, a glue applying device 8 and a cover pressing device 7 are provided at an upper end surface portion of the lower turn plate 11, and the lower turn plate 11 and the upper turn plate 12 are respectively provided as circular plate-like bodies, and the rotating shaft 13 is provided as a circular rod-like body.

Through rotating turret 1, formed to first grip block 2, second grip block 3, supporting pad 4 and preceding push pedal 5, the support tie point of back push pedal 6, by lower carousel 11, realized being connected with the carrier of supporting pad 4, realized being connected with preceding push pedal 5, realized being connected with back push pedal 6, by lower carousel 11 and last carousel 12, realized being connected with the rotation of first grip block 2, realized being connected with the rotation of second grip block 3, by axis of rotation 13, realized rotating with lower carousel 11 and the spaced mode of last carousel 12.

In this embodiment, the first clamping plate 2 and the second clamping plate 3 are respectively configured as rectangular sheet-shaped bodies and the first clamping plate 2 and the second clamping plate 3 are respectively configured to be coupled with the rotating frame 1 through a pin shaft, a double-head telescopic cylinder is provided between the first clamping plate 2 and the second clamping plate 3, the first clamping plate 2 is configured to be distributed along one side surface portion of the front push plate 5 and one side surface portion of the rear push plate 6, the second clamping plate 3 is configured to be distributed along another side surface portion of the front push plate 5 and one side surface portion of the rear push plate 6, and a supporting pad 4 is provided between the first clamping plate 2 and the second clamping plate 3.

Through first grip block 2 and second grip block 3, formed the support tie point to rotating turret 1, supporting pad 4, preceding push pedal 5 and back push pedal 6, by first grip block 2 and second grip block 3, realized being connected with rotating turret 1's rotation, realized being connected with supporting pad 4, realized being connected with preceding push pedal 5, realized being connected with back push pedal 6, realized being connected the centre gripping of liquid packing carton.

In this embodiment, the front pushing plate 5 and the rear pushing plate 6 are respectively configured as a rectangular sheet-shaped body and the front pushing plate 5 and the rear pushing plate 6 are respectively configured to be coupled with the telescopic end portion of the thrust telescopic cylinder 91 through a connecting rod, the front pushing plate 5 and the rear pushing plate 6 are configured to be distributed left and right along the central line of the rotating frame 1 and the front pushing plate 5 is disposed between the frame chain device 92 and the rotating frame 1, and the rear pushing plate 6 is disposed between the rotating frame 1 and the discharging conveyor 94.

Through preceding push pedal 5 and back push pedal 6, formed the support tie point to rotating turret 1 and thrust telescoping cylinder 91, by preceding push pedal 5 and back push pedal 6, realized being connected with rotating turret 1, realized being connected with thrust telescoping cylinder 91, by preceding push pedal 5, realized the promotion that liquid packaging box carried on rotating turret 1 from the pile chain device 92, by back push pedal 6, realized that liquid packaging box carries the promotion on ejection of compact conveyor 94 from rotating turret 1.

In the present embodiment, the housing of the telescopic thrust cylinder 91 is provided to be coupled with the stackers 92 and the telescopic end of the telescopic thrust cylinder 91 is provided to be coupled with the front push plate 5 and the rear push plate 6, respectively, through the connecting rod.

Through the thrust telescoping cylinder 91, the support connection point of the front push plate 5, the rear push plate 6 and the stack chain device 92 is formed, and the thrust telescoping cylinder 91 is connected with the thrust of the front push plate 5, the thrust connection with the rear push plate 6 and the connection with the stack chain device 92.

In this embodiment, the moving direction of the stacker chain device 92 is set to be perpendicular to the moving direction of the feeding conveyor 93 and the support pads 4 are disposed between the baffles of the stacker chain device 92, one side face portion of the stacker chain device 92 is set to be coupled to the outlet port portion of the feeding conveyor 93 and the other side face portion of the stacker chain device 92 is set to be coupled to the turret 1, and the stacker chain device 92 is set to be coupled to the telescopic thrust cylinder 91.

Through the stack chain device 92, a supporting connection point of the rotating frame 1, the thrust telescopic cylinder 91 and the feeding conveying device 93 is formed, the stack chain device 92 is connected with the rotating frame 1, the feeding conveying device 93 is connected, the connection with the thrust telescopic cylinder 91 is realized, and the vertical movement of the liquid packaging box is realized.

In the present embodiment, the input conveyor 93 and the output conveyor 94 are each provided as a belt conveyor and the input port of the output conveyor 94 is provided in connection with the turret 1.

Through pan feeding conveyor 93, formed the support tie point to pushing away chain device 92, by pan feeding conveyor 93, realized being connected with pushing away chain device 92, realized the lateral shifting to liquid packaging box, through ejection of compact conveyor 94, formed the support tie point to rotating turret 1, by ejection of compact conveyor 94, realized being connected with rotating turret 1, realized the lateral shifting to liquid packaging box.

Through the gluing device 8, a supporting connection point of the rotating frame 1 is formed, the outer frame 80 is used for realizing connection with the rotating frame 1, the first motor 81, the transverse guide rail 82, the upper sliding block 83, the vertical guide rail 84 and the lower sliding block 85 are used for realizing all-dimensional movable connection of the inner frame 86, the inner frame 86 is used for realizing connection with the nozzle 87, and the nozzle 87 is used for realizing the gluing treatment of the liquid packaging box.

In the present embodiment, the lid-pressing device 7 is configured to include a support case 70, a second motor 71, a swing arm 72, a carrying arm 73, a vacuum chuck 74, a gripper 75, a right positioning block 76, a left positioning block 77, a screw 79, a left positioning rod 711, and a right positioning rod 712, and the support case 70 is configured to be coupled with the second motor 71, an end shaft of the second motor 71 is configured to be hingedly coupled with one end of the swing arm 72 and the other end of the swing arm 72 is configured to be hingedly coupled with the carrying arm 73, a receiving groove is provided at a lower end portion of the support case 70 and the carrying arm 73 is disposed in the receiving groove of the support case 70, a sliding groove body is provided at a side portion of the support case 70 and the right positioning block 76 and the left positioning block 77 are respectively disposed in the sliding groove body of the support case 70, the screw 79 is configured to be threadedly coupled with the support case 70 and an upper end of the screw 79 is configured to be coupled with the right positioning block, a right positioning rod 712 is provided on the right side surface portion of the transport arm 73 and the right positioning rod 712 is provided in contact with the right positioning block 76, a left positioning rod 711 is provided on the left side surface portion of the transport arm 73 and the left positioning rod 711 is provided in contact with the left positioning block 77, a vacuum chuck 74 is provided at the lower end of the transport arm 73 and a gripper 75 is provided at the periphery of the lower end of the transport arm 73, the middle portion of the gripper 75 is provided in contact with the transport arm 73 by a pin shaft and the upper end surface portion of the gripper 75 is provided in contact with the outer side surface portion provided as the vacuum chuck 74, the lower end surface portion of the transport arm 73 is provided at the upper end surface portion of the turret 1 and the support cartridge case 70 is provided at the side surface portion of the turret 1, the support cartridge case 70 is provided as a rectangular box-like body and the swing arm 72, the transport arm 73 is a T-shaped plate having a rounded lower end, the right positioning block 76 and the left positioning block 77 are each a seat having a groove, the gripper pieces 75 are L-shaped plates, and at least three gripper pieces 75 are arranged along the periphery of the lower end of the transport arm 73.

Through pressing the cover device 7, has formed the support connection point to the rotating turret 1, by supporting the box casing 70, has realized the connection with the rotating turret 1, by second motor 71, swing arm 72, transport arm 73, right locating piece 76, left locating piece 77, left locating lever 711 and right locating lever 712, realized the connection of turning over about to transport arm 73, by screw 79, realized with transport arm 73 turn over position control about, by vacuum chuck 74 and gripper 75, realized the lid centre gripping to the liquid packaging box.

In the present embodiment, the support pads 4 are provided as a frame 41, a string rod 42, springs 43 and balls 44 and the balls 44 are provided in series with the string rod 42, ends of the string rod 42 are respectively provided in series with inner walls of the frame 41 and the balls 44 provided on the ends of the string rod 42 and the inner walls of the frame 41 are respectively provided with the springs 43, the springs 43 are provided in series with the string rod 42 and the frame 41 is provided as a rectangular frame, the string rod 42 is provided as a circular rod and the balls 44 are provided as spheres, one string rod 42, two springs 43 and a plurality of balls 44 are provided to constitute a set of movable support members and a plurality of sets of movable support members are provided to be spaced apart from each other along a center line of the frame 41.

Through supporting pad 4, formed the support tie point to revolving rack 1 and inn chain device 92, by frame 41, realized being connected with revolving rack 1, realized being connected to inn chain device 92, by boom 42, realized being connected with spring 43 and ball 44, by spring 43 and ball 44, realized the position of standing to liquid packaging box and adjusted.

In this embodiment, the rotating frame 1, the gluing device 8 and the cover pressing device 7 are arranged to be distributed in a manner of firstly applying adhesive and then installing covers, the rotating frame 1, the first clamping plate 2 and the second clamping plate 3 are arranged to be distributed in a clamping and fixing manner, the rotating frame 1, the front push plate 5, the rear push plate 6, the thrust telescopic cylinder 91, the stacking chain device 92, the feeding conveying device 93 and the discharging conveying device 94 are arranged to be distributed in a manner of thrust movement of the liquid packaging boxes, and the central line of the gluing device 8 and the central line of the cover pressing device 7 are respectively arranged to be distributed along one of circumferential lines with the center of the rotating frame 1 as the center, a first clamping plate 2, a second clamping plate 3 and a supporting pad 4 are arranged to form a group of clamping and fixing components, and the central lines of the groups of clamping and fixing components are arranged to be distributed along one of the circumferential lines with the center of the rotating frame 1 as the center.

A method for applying a cover to a liquid packaging box, according to a fourth embodiment of the present invention, comprises the steps of: liquid packaging boxes are placed into a feeding conveying device 93, the liquid packaging boxes are placed between two baffle plates of a stacking chain device 92 through the movement of the feeding conveying device 93, the bottoms of the liquid packaging boxes are placed on a supporting pad 4 between the two baffle plates of the stacking chain device 92, the stacking chain device 92 moves to move one of the liquid packaging boxes to an opening position between a first clamping plate 2 and a second clamping plate 3, a thrust telescopic cylinder 91 drives a front push plate 5 and a rear push plate 6 to move, the front push plate 5 moves one of the liquid packaging boxes to a position between the first clamping plate 2 and the second clamping plate 3, the rear push plate 6 moves one of the liquid packaging boxes with covers on the other side surface to a discharging conveying device 94, the discharging conveying device 94 moves one of the liquid packaging boxes with covers in a turnover box, and a double-head telescopic cylinder between the first clamping plate 2 and the second clamping plate 3 drives the first clamping plate 2 and the second clamping plate 3 to be folded, the first clamping plate 2 and the second clamping plate 3 are respectively clamped on the side parts of one of the liquid packaging boxes, the bottom part of one of the liquid packaging boxes is placed on the supporting pad 4 between the first clamping plate 2 and the second clamping plate 3, the rotating frame 1 rotates, the part, provided with the cover, of one of the liquid packaging boxes moves to the lower end of the nozzle 87, the first motor 81 drives the upper sliding block 83 to perform a circular motion, the upper sliding block 83 drives the lower sliding block 85 to perform a circular motion through the transverse guide rail 82 and the vertical guide rail 84, so that the nozzle 87 on the inner frame 86 performs a circular motion, meanwhile, the nozzle 87 coats the part, provided with the cover, of one of the liquid packaging boxes with the adhesive, the rotating frame 1 rotates again, the part, provided with the cover, coated with the adhesive of one of the liquid packaging boxes moves to the lower end of the vacuum chuck 74, and the swinging arm 72 is positioned on the part, where, the left positioning rod 711 is in contact positioning with the left positioning block 77, the vacuum chuck 74 adsorbs the cover, the outer side surface part of the vacuum chuck 74 protrudes outwards, the gripper sheet 75 is folded to clamp the cover, the second motor 71 performs half-cycle motion, the swing arm 72 performs one-hundred-eighty degree turnover, the right positioning rod 712 is in contact positioning with the right positioning block 76, the carrying arm 73 presses the cover on the part of one liquid packaging box coated with the mounting cover coated with adhesive, the vacuum chuck 74 is separated from the cover and the outer side surface part of the vacuum chuck 74 is folded, the gripper sheet 75 is expanded to release the cover, the cover mounting of one liquid packaging box is completed, the rotating frame 1 rotates to move one liquid packaging box subjected to cover mounting to the input port of the discharging conveying device 94, and the double-head telescopic cylinder between the first clamping plate 2 and the second clamping plate 3 drives the first clamping plate 2 and the second clamping plate 3 to expand, the rear push plate 6 acts on one of the liquid packages completing the lid mounting.

When the liquid packaging box is verified, the liquid packaging box is clamped in the process of attaching the cover through the third clamping plate 101, the first crank arm 102, the first driving wheel 103 and the clamping box cam disc 104, the stability of the liquid packaging box is improved, the cover is repositioned in the liquid packaging box through the pressing claw 905, the cover generates pressing acting force on the liquid packaging box through the guide rail 901, the second driving wheel 902, the second crank arm 903 and the support 904, the connection time of the cover on the liquid packaging box is prolonged, the cover is turned over for 180 degrees through the belt wheel 701, the swing arm 702 and the vacuum chuck 74, and the phenomenon of continuous glue threads is prevented.

In a second embodiment of the invention, the turret 1 with the movement, the gluing means 8 with the overflow holes and the snap-on means 7 with the oscillating displacement are coupled to each other in such a way that the working conditions of the liquid package, of the gluing and of the snap-on are in a single-station movement.

In this embodiment, the gluing device 8 and the cover-pressing device 7 are coupled to the turret 1 in such a way that a fixed gluing station and a cover-pressing station are provided at the upper end surface of the liquid package.

In this embodiment, a first attachment means of the pressing claw 905 is also included and is provided in connection with the turret 1.

In this embodiment, a second accessory device having a rail 901, a second driving wheel 902, a second crank arm 903 and a support 904 is also included and is arranged to be coupled to the turret 1.

In the present embodiment, a third attachment device having a third gripper plate 101, a first crank arm 102, a first drive wheel 103, and a cassette cam plate 104 is further included and is provided to be coupled with the turret 1.

In the present embodiment, a fourth attachment device having the lifting device 20, the sorting device 30, the conveying guide groove 40, the correcting belt 50, and the rotating wheel group 60 is further included and is provided to be coupled with the rotating frame 1.

In the present embodiment, a fifth accessory device having a belt conveyor 105 and a rotating plate 106 is further included and is provided to be coupled with the rotating frame 1.

In the present embodiment, a sixth accessory device is further included and is configured to be coupled with the rotating frame 1, the sixth accessory device is configured to include a first clamping plate 2 and a second clamping plate 3, and the first clamping plate 2 and the second clamping plate 3 are configured to be in a fixed distribution on the side.

In this implementation, still include the seventh annex device and the seventh annex device sets up to link with rotating turret 1, and the seventh annex device sets up to include preceding push pedal 5, back push pedal 6, thrust telescoping cylinder 91, stackers device 92, pan feeding conveyor 93 and ejection of compact conveyor 94 and preceding push pedal 5, back push pedal 6, thrust telescoping cylinder 91, stackers device 92, pan feeding conveyor 93 and ejection of compact conveyor 94 set up to be the double-channel and distribute.

In the present embodiment, an eighth attachment device is further included and is provided on the turret 1, the eighth attachment device being provided as a support pad 4.

A second embodiment of the invention is based on the first embodiment,

the invention has the following characteristics:

1. due to the design of the rotating frame 1, the gluing device 8 and the cover pressing device 7, the liquid packaging boxes are arranged in sequence through the gluing device 8 and the cover pressing device 7 through the rotating frame 1, the gluing device 8 is used for bearing adhesive glue on the liquid packaging boxes or the covers, the cover pressing device 7 is used for installing the covers and the liquid packaging boxes, and therefore the cover pasting effect of the liquid packaging boxes is improved.

2. Due to the design of the third clamping plate 101, the first crank arm 102, the first driving wheel 103 and the cartridge cam plate 104, the liquid packaging box is clamped and fixed.

3. Due to the design of the guide rail 901, the second driving wheel 902, the second crank arm 903, the support 904 and the pressing claw 905, the cover is positioned and pressed.

4. Due to the design of the first clamping plate 2 and the second clamping plate 3, the liquid packaging box is positioned, and the working reliability of the gluing device 8 and the cover pressing device 7 is improved.

5. Due to the design of the front push plate 5, the rear push plate 6, the thrust telescopic cylinder 91, the stack chain device 92, the feeding conveying device 93 and the discharging conveying device 94, the automatic feeding and discharging of the liquid packaging box are realized, and the cover attaching efficiency is improved.

6. Due to the design of the supporting pad 4, the movable supporting of the liquid packaging box is realized through the spring 43 and the ball 44, and the quick positioning and moving performance of the liquid packaging box are improved.

7. Due to the design of the lifting device 20, the sorting device 30, the conveying guide rail groove 40, the correcting belt 50 and the rotating wheel group 60, the same sequencing of the covers is realized, and the accuracy of the installation positions of the covers and the liquid packaging boxes is ensured

8. Because the structural shape is limited by the numerical range, the numerical range is the technical characteristic of the technical scheme of the invention, and is not the technical characteristic obtained by formula calculation or limited tests, and tests show that the technical characteristic of the numerical range achieves good technical effect.

9. Due to the design of the technical characteristics of the invention, tests show that each performance index of the invention is at least 1.7 times of the existing performance index under the action of the single and mutual combination of the technical characteristics, and the invention has good market value through evaluation.

Still other features associated with the turret 1, gluing means 8 and cover-pressing means 7, which bring the operating condition of the liquid package to the single-station movement with the gluing and cover-pressing conditions, are all embodiments of the invention, and the features of the above-described embodiments can be combined in any desired way, and in order to meet the requirements of patent laws, patent practice rules and examination guidelines, all possible combinations of features of the above-described embodiments will not be described.

The above embodiment is only one implementation form of the covering device and method for liquid packaging boxes provided by the present invention, and other variations of the solution provided by the present invention, increasing or decreasing the components or steps therein, or applying the present invention to other technical fields close to the present invention, are within the protection scope of the present invention.

Claims

1. The utility model provides a paste and cover device for liquid packaging box which characterized by: comprises a rotating frame (1) for driving the liquid packaging box to move, a gluing device (8) which is arranged on the rotating frame (1) and is used for coating adhesive glue on the liquid packaging box or the cover, and a cover pressing device (7) which is arranged on the rotating frame (1) and is used for butting the cover on the liquid packaging box.

2. The attaching and covering device for liquid packing box according to claim 1, wherein: the rotating frame (1) with the moving state, the gluing device (8) with the overflow holes and the cover pressing device (7) with the swing displacement are mutually connected in a mode that the working state of the liquid packaging box, the gluing working state and the cover pressing working state are in a single-station moving state.

3. The attaching and covering device for liquid packing box according to claim 2, wherein: the gluing device (8) and the cover-pressing device (7) are connected with the rotating frame (1) according to the mode that a fixed gluing and cover-pressing station is arranged at the upper end surface part of the liquid packaging box.

4. The attaching and covering device for liquid packing box according to claim 1, wherein: a first attachment means comprising a pressing jaw (905) and arranged to be coupled to the turret (1),

or a second attachment device with a guide rail (901), a second drive wheel (902), a second crank arm (903) and a support (904) and arranged to be coupled to the turret (1),

or a third accessory device which is provided with a third clamping plate (101), a first crank arm (102), a first driving wheel (103) and a cassette cam disc (104) and is arranged to be coupled with the rotating frame (1),

or, a fourth attachment device with a lifting device (20), a sorting device (30), a conveying guide groove (40), a correcting belt (50) and a rotating wheel group (60) is also included and is arranged to be coupled with the rotating frame (1),

or, a fifth attachment device having a belt conveyor (105) and a rotating plate (106) is included and is arranged to be coupled with the rotating turret (1),

or, the device also comprises a sixth accessory device which is arranged to be connected with the rotating frame (1), the sixth accessory device is arranged to comprise a first clamping plate (2) and a second clamping plate (3), the first clamping plate (2) and the second clamping plate (3) are arranged to be fixedly distributed on the side surface,

or, the utility model also comprises a seventh accessory device and the seventh accessory device is arranged to be connected with the rotating frame (1), the seventh accessory device is arranged to comprise a front push plate (5), a rear push plate (6), a thrust telescopic cylinder (91), a stack chain device (92), a feeding conveying device (93) and a discharging conveying device (94), and the front push plate (5), the rear push plate (6), the thrust telescopic cylinder (91), the stack chain device (92), the feeding conveying device (93) and the discharging conveying device (94) are arranged to be distributed in double channels,

or, the device also comprises an eighth accessory device which is arranged on the rotating frame (1) and is provided as a supporting pad (4).

5. The attaching and covering device for liquid packing box according to claim 4, wherein: a gluing device (8), a cover pressing device (7), a third clamping plate (101), a cassette cam disc (104), a guide rail (901) and a support (904) are respectively arranged on the rotating frame (1), a first crank arm (102) is arranged on the third clamping plate (101), a first driving wheel (103) is arranged between the cassette cam disc (104) and the first crank arm (102), a second crank arm (903) is arranged on the support (904), a pressing claw (905) is arranged on the second crank arm (903), a second driving wheel (902) is arranged between the second crank arm (903) and the guide rail (901),

or the input port of the lifting device (20) is arranged in the cover storage box, the output port of the lifting device (20) is arranged to be connected with the input port of the sorting device (30) and the output port of the sorting device (30) is arranged to be connected with the input port of the conveying guide rail groove (40), the output port of the conveying guide rail groove (40) is arranged on the cover pressing device (7), the conveying guide rail groove (40) is provided with a rotating wheel set (60), the rotating wheel set (60) is provided with a correcting belt (50),

or the belt conveying device is arranged at the lower end part of one side surface of the rotating frame (1) and is arranged to be distributed corresponding to the concave part of the cassette cam disc (104), the conveying guide rail groove (40) is arranged at the upper end part of the other side surface of the rotating frame (1) and is arranged to be distributed corresponding to the starting end of the convex part of the cassette cam disc (104), the rotating plate (106) is arranged at the upper end of the second section rear side plate (402) and is arranged to be coupled with the end shaft of the motor, the rotating plate (106) is arranged to be a circular sheet-shaped body,

or, one side surface of the rotating frame (1) is provided with an discharging conveying device (94) and the other side surface of the rotating frame (1) is provided with a stack chain device (92), the output port of the feeding conveying device (93) is arranged on one side surface of the stack chain device (92) and a gluing device (8) and a cover pressing device (7) are sequentially arranged between the stack chain device (92) and the discharging conveying device (94), the rotating frame (1) is respectively provided with a first clamping plate (2), a second clamping plate (3), a front push plate (5) and a rear push plate (6), the front push plate (5) and the rear push plate (6) are respectively arranged at the telescopic end of the thrust telescopic cylinder (91), the front push plate (5) is arranged on the other side surface of the rotating frame (92) and the rear push plate (6) is arranged at the input port of the discharging conveying device (94), first grip block (2) and second grip block (3) set up to be the mode distribution that rises and support pad (4) set up respectively on rotating turret (1) and frame chain device (92).

6. The attaching and covering device for liquid packing box according to claim 5, wherein: the rotating frame (1) is provided to comprise a bottom plate part (15), a driving shaft part (16), a support plate (17) and a vertical support (18), the bottom plate part (15) is rotatably connected with the driving shaft part (16), the lower end of the vertical support (18) and the lower end of the clamping box cam disc (104) are connected with the upper end of the bottom plate part (15) and the driving shaft part (16) is connected with the support plate (17), the support plate (17) is rotatably connected with a third clamping plate (101) and the support plates (17) are respectively connected with a support (904), the vertical support (18) is respectively connected with the gluing device (8) and the cover pressing device (7) and the upper end of the bottom plate part (15) is connected with a guide rail (901), the bottom plate part (15) is a rectangular sheet body and the driving shaft part (16) is a circular rod body, the supporting plates (17) are arranged into rectangular sheet bodies, the supporting plates (17) are arranged and distributed at intervals along the periphery of the driving shaft part (16), the vertical brackets (18) are arranged into rectangular strip bodies,

or, the glue spreading device (8) is provided as an outer frame (80), a first motor (81), a lateral guide rail (82), an upper slide block (83), a vertical guide rail (84), a lower slide block (85), an inner frame (86), and a nozzle (87) and the outer frame (80) is provided to be coupled with the first motor (81) and the lateral guide rail (82), the lateral guide rail (82) is provided to be slidably coupled with the upper slide block (83) and the upper slide block (83) is provided to be coupled with an end shaft of the first motor (81), the vertical guide rail (84) is provided to be coupled with the upper slide block (83), the lower slide block (85) is provided to be slidably coupled with the vertical guide rail (84) and the lower slide block (85) is provided to be coupled with the inner frame (86), the nozzle (87) is provided on the inner frame (86) and the nozzle (87) is provided at an upper end surface portion of the rotating frame (1), the nozzle (87) is provided to be communicated with the adhesive supply pump and the outer frame (80 A side part, an outer frame (80) and an inner frame (86) are respectively arranged into a rectangular frame body, a transverse guide rail (82) and a vertical guide rail (84) are respectively arranged into a dovetail strip body, an upper sliding block (83) and a lower sliding block (85) are respectively arranged into a rectangular seat body,

or, the cover pressing device (7) is set to comprise a belt wheel part (701), a swing arm part (702) and a vacuum chuck (74), the middle part of the belt wheel part (701) is set to be rotatably connected with the rotating frame (1), the inner end head of the belt wheel part (701) is set to be connected with the middle part of the swing arm part (702), one end head of the swing arm part (702) is set to be connected with the vacuum chuck (74), the swing arm part (702) is set between the third clamping plate (101) and the gluing device (8), the belt wheel part (701) is set to be a T-shaped shaft body, the swing arm part (702) is set to be a rectangular strip body,

or the third clamping plates (101) are connected with the rotating frame (1) through pin shafts, the end surface parts of the inner ends of the rotating frame (1) are connected with the first crank arms (102), the third clamping plates (101) are rectangular platy bodies, the third clamping plates (101) are distributed at intervals along the periphery of the rotating frame (1), magnetic bodies are respectively arranged on two adjacent third clamping plates (101),

or the first crank arm (102) is arranged to be an L-shaped rod-shaped body, the outer end head of the first crank arm (102) is arranged to be connected with the third clamping plate (101), the inner end head of the first crank arm (102) is arranged to be rotatably connected with the first driving wheel (103),

or the first driving wheel (103) is set as a rolling bearing, the inner ring of the first driving wheel (103) is set to be coupled with the first crank arm (102), the outer ring of the first driving wheel (103) is set to be coupled with the cassette cam disc (104) in a contact way,

or the cartridge cam disc (104) is set to be a circular cam, the middle part of the cartridge cam disc (104) is set to be connected with the rotating frame (1), the side surface part of the cartridge cam disc (104) is set to be in contact connection with the first driving wheel (103),

or the guide rail (901) is arranged to be coupled with the rotating frame (1) and the lower end surface part of the guide rail (901) is arranged to be coupled with the second driving wheel (902) in a contact way, the guide rail (901) is arranged to be an arc-shaped plate-shaped body and the guide rail (901) is arranged to be distributed along one section of the periphery of the rotating frame (1),

or the support (904) is set to be connected with the rotating frame (1) and the support (904) is set to be rotationally connected with the second crank arm (903), the support (904) is set to be a circular tubular body,

or the second crank arm (903) is arranged to be an L-shaped rod-shaped body, the middle part of the transverse part of the second crank arm (903) is arranged to be connected with the support (904), the end of the transverse part of the second crank arm (903) is arranged to be connected with the pressing claw (905), the end of the vertical part of the second crank arm (903) is arranged to be rotatably connected with the second driving wheel (902),

or the second driving wheel (902) is set as a rolling bearing, the inner ring of the second driving wheel (902) is set to be coupled with the second crank arm (903), the outer ring of the second driving wheel (902) is set to be in contact coupling with the guide rail (901),

or the pressing claw (905) is arranged to be coupled with the second crank arm (903) and the pressing claw (905) is arranged to be a U-shaped rod-shaped body,

or the rotating frame (1), the gluing device (8) and the cover pressing device (7) are arranged to be distributed according to a mode of firstly gluing and then mounting covers, the rotating frame (1), the gluing device (8), the cover pressing device (7), the third clamping plate (101), the first crank arm (102), the first driving wheel (103) and the clamping box cam disc (104) are arranged to be distributed according to a clamping and fixing mode, the rotating frame (1), the gluing device (8), the cover pressing device (7), the guide rail (901), the second driving wheel (902), the second crank arm (903), the support (904) and the pressing claw (905) are arranged to be distributed according to a pressing and fixing mode, the third clamping plate (101), the first crank arm (102) and the first driving wheel (103) are arranged to form a group of clamping and fixing parts, and a plurality of groups of clamping and fixing parts are respectively arranged between the rotating frame (1) and the clamping box cam disc (104), a second drive wheel (902), a second crank arm (903), a support (904) and a pressure claw (905) set up to constitute a set of fixed part that compresses tightly and multiunit pressure fastening fixed part sets up respectively between rotating turret (1) and guide rail (901), and a set of pressure fastening fixed part sets up between two sets of centre gripping fixed parts, and band pulley portion (701) sets up to be linked with vertical support (18).

7. The attaching and covering device for liquid packing box according to claim 5, wherein: the lifting device (20) is arranged as a scraper belt conveying device and the lifting device (20) is arranged on the sorting device (30),

or, sorting device (30) sets up to include drum shell (301), rotating disc (302), bracing piece (303), poker rod (304) and torsion spring (305) and rotating disc (302) sets up in drum shell (301), rotating disc (302) sets up to be linked to and be provided with at the peripheral side face of rotating disc (302) with drum shell (301) rotary type and hold window (306), be provided with discharge window (307) on the lateral wall of drum shell (301) and be provided with bracing piece (303) at the upper end face portion of discharge window (307), bracing piece (303) set up to link to and poker rod (304) set up on rotating disc (302) with drum shell (301), the right flank portion of poker rod (304) sets up to distribute along the medial surface part that holds window (306) and poker rod (304) sets up to link to with bracing piece (303) rotary type, a torsion spring (305) is arranged between the poke rod (304) and the support rod (303), the cylinder shell (301) is arranged into a round tubular body, the support rod (303) is arranged into a rectangular strip-shaped body, the poke rod (304) is arranged into a plate-shaped body with an arc-shaped flange part on the right side surface, the containing window (306) is arranged into an arc-shaped groove body, the discharging window (307) is arranged into a rectangular hole body, the discharging window (307) is connected with the input end opening part of the conveying guide rail groove (40) through a chute, the chutes arranged between the discharging window (307) and the conveying guide rail groove (40) are arranged into an inclined distribution, and a lifting device (20) is arranged at the opening part of the cylinder shell (301),

or, the conveying guide rail groove (40) is arranged to comprise a first section of rear side plate (401), a second section of rear side plate (402), a front side plate (403) and a bottom plate (404), the lower end surface part of the first section of rear side plate (401), the lower end surface part of the second section of rear side plate (402) and the lower end surface part of the front side plate (403) are respectively arranged to be connected with the upper end surface part of the bottom plate (404), a correcting belt (50) and a rotating wheel set (60) are respectively arranged between the right end of the first section of rear side plate (401) and the left end of the second section of rear side plate (402) and the bottom plate (404) are arranged to be connected with the rotating wheel set (60), the left end of the first section of rear side plate (401) and the left end of the front side plate (403) are arranged to be connected with the sorting device (30) through a chute, and the right end of the second section of rear side plate (402) and the right end of the front, the first section of rear side plate (401), the second section of rear side plate (402), the front side plate (403) and the bottom plate (404) are respectively arranged into a rectangular sheet body, the ratio of the distance between the first section of rear side plate (401) and the front side plate (403) to the diameter of the cover is set to be 1.5-1.78, the ratio of the distance between the correction belt (50) and the front side plate (403) to the diameter of the cover is set to be 1.18-1.22, the ratio of the distance between the second section of rear side plate (402) and the front side plate (403) to the diameter of the cover is set to be 1.05-1.09,

or the correcting belt (50) is arranged to be connected with the rotating wheel set (60) in a surrounding way, the outer side surface part of the correcting belt (50) is provided with a strip-shaped flange body, the strip-shaped flange bodies of the correcting belt (50) are arranged to be distributed corresponding to the conveying guide rail groove (40),

or, the rotating wheel group (60) is arranged to include a driving runner (601), a first left driven runner (602), a second left driven runner (603), a first right driven runner (604) and a second right driven runner (605) and the driving runner (601), the first left driven runner (602), the second left driven runner (603), the first right driven runner (604) and the second right driven runner (605) are respectively arranged to be rotatably connected with the conveying guide rail groove (40), the driving runner (601), the first left driven runner (602), the second left driven runner (603), the first right driven runner (604) and the second right driven runner (605) are respectively arranged to be connected with the correcting belt (50) and the driving runner (601) is arranged to be connected with the end shaft of the driving power source, the first left driven runner (602) and the second left driven runner (603) are respectively arranged to be connected with the first right driven runner (604) and the second right driven runner (605) along the center line of the driving runner (601) The left and right driven rotating wheels are distributed in a left-right mode, a connecting line of the center of the second left driven rotating wheel (603) and the center of the second right driven rotating wheel (605) is distributed in parallel with the center line of the conveying guide rail groove (40), the first left driven rotating wheel (602), the second left driven rotating wheel (603), the first right driven rotating wheel (604) and the second right driven rotating wheel (605) are in contact connection with the inner side face of the correcting belt (50), and the driving rotating wheel (601) is in contact connection with the outer side face of the correcting belt (50).

8. The attaching and covering device for liquid packing box according to claim 5, wherein: the rotary frame (1) is provided with a lower rotary disc (11), an upper rotary disc (12) and a rotary shaft (13), the lower rotary disc (11) and the upper rotary disc (12) are respectively connected with the rotary shaft (13) in series, the upper rotary disc (12) is arranged on the lower rotary disc (11), the upper rotary disc (12) and the lower rotary disc (11) are distributed in a circular frustum shape, the end of the rotary shaft (13) is connected with the output end shaft of a servo motor, the lower rotary disc (11) is connected with a supporting pad (4), the lower rotary disc (11) is respectively connected with a front push plate (5) and a rear push plate (6) in a sliding manner, pin shafts respectively connected with a first clamping plate (2) and a second clamping plate (3) are respectively connected with the lower rotary disc (11) and the upper rotary disc (12), a gluing device (8) and a cover pressing device (7) are arranged at the upper end face of the lower rotary disc (11), and the lower rotary disc (11) and the upper rotary disc (12) are respectively arranged in a circular platelike body, the rotating shaft (13) is arranged into a circular rod-shaped body,

or, the first clamping plate (2) and the second clamping plate (3) are respectively arranged to be rectangular sheet-shaped bodies and the first clamping plate (2) and the second clamping plate (3) are respectively arranged to be connected with the rotating frame (1) through pin shafts, a double-head telescopic cylinder is arranged between the first clamping plate (2) and the second clamping plate (3) and the first clamping plate (2) is arranged to be distributed along one side surface of the front push plate (5) and one side surface of the rear push plate (6), the second clamping plate (3) is arranged to be distributed along the other side surface of the front push plate (5) and one side surface of the rear push plate (6), a supporting pad (4) is arranged between the first clamping plate (2) and the second clamping plate (3),

or the front push plate (5) and the rear push plate (6) are respectively arranged into a rectangular sheet body, the front push plate (5) and the rear push plate (6) are respectively arranged into a telescopic end part of the thrust telescopic cylinder (91) to be connected through a connecting rod, the front push plate (5) and the rear push plate (6) are arranged into a left-right distribution along the central line of the rotating frame (1), the front push plate (5) is arranged between the stack chain device (92) and the rotating frame (1), the rear push plate (6) is arranged between the rotating frame (1) and the discharging conveying device (94),

or the shell of the push telescoping cylinder (91) is connected with the chain pushing device (92) and the telescopic end part of the push telescoping cylinder (91) is respectively connected with the front push plate (5) and the rear push plate (6) through connecting rods,

or the moving direction of the stack chain device (92) is set to be mutually vertical to the moving direction of the feeding conveying device (93) and a supporting pad (4) is arranged between baffles of the stack chain device (92), one side surface part of the stack chain device (92) is set to be connected with the output port part of the feeding conveying device (93) and the other side surface part of the stack chain device (92) is set to be connected with the rotating frame (1), the stack chain device (92) is set to be connected with the thrust telescopic cylinder (91),

or the feeding conveying device (93) and the discharging conveying device (94) are respectively arranged as belt conveying devices and the input port of the discharging conveying device (94) is arranged to be connected with the rotating frame (1),

or, the cover pressing device (7) is arranged to include a supporting box shell (70), a second motor (71), a swing arm (72), a carrying arm (73), a vacuum chuck (74), a gripper sheet (75), a right positioning block (76), a left positioning block (77), a screw rod (79), a left positioning rod (711) and a right positioning rod (712), the supporting box shell (70) is arranged to be connected with the second motor (71), an end shaft of the second motor (71) is arranged to be hinged with one end of the swing arm (72) and the other end of the swing arm (72) is arranged to be hinged with the carrying arm (73), a containing groove body is arranged at the lower end surface part of the supporting box shell (70) and the carrying arm (73) is arranged in the containing groove body of the supporting box shell (70), a sliding groove body is arranged at the side part of the supporting box shell (70) and the right positioning block (76) and the left positioning block (77) are respectively arranged in the sliding groove body of the supporting box shell (70), a screw rod (79) is in threaded connection with the supporting box shell (70), the upper end of the screw rod (79) is respectively in connection with a right positioning block (76) and a left positioning block (77), a right positioning rod (712) is arranged on the right side face of the conveying arm (73), the right positioning rod (712) is in contact connection with the right positioning block (76), a left positioning rod (711) is arranged on the left side face of the conveying arm (73), the left positioning rod (711) is in contact connection with the left positioning block (77), a vacuum chuck (74) is arranged on the lower end of the conveying arm (73), a claw piece (75) is arranged on the periphery of the lower end of the conveying arm (73), the middle part of the claw piece (75) is in connection with the conveying arm (73) through a pin shaft, the upper end face of the claw piece (75) is in connection with the outer side face part of the vacuum chuck (74), the lower end of the carrying arm (73) is arranged at the upper end face of the rotating frame (1) and the supporting box shell (70) is arranged at the side face of the rotating frame (1), the supporting box shell (70) is a rectangular box-shaped body, the swinging arm (72), the left positioning rod (711) and the right positioning rod (712) are rectangular strip-shaped bodies, the carrying arm (73) is a T-shaped plate-shaped body with a round head at the lower end, the right positioning block (76) and the left positioning block (77) are respectively arranged into seat bodies with grooves, the claw sheets (75) are arranged into L-shaped plate-shaped bodies, at least three claw sheets (75) are arranged and distributed along the periphery of the lower end of the carrying arm (73),

or, the supporting pads (4) are arranged into a frame (41), a string rod (42), springs (43) and balls (44), the balls (44) are arranged into serial connection with the string rod (42), the ends of the string rod (42) are respectively arranged into connection with the inner wall of the frame (41) and are arranged between the balls (44) on the ends of the string rod (42) and the inner wall of the frame (41), the springs (43) are arranged into serial connection with the string rod (42) and the frame (41) is arranged into a rectangular frame, the string rod (42) is arranged into a round rod-shaped body and the balls (44) are arranged into a sphere body, one string rod (42), two springs (43) and a plurality of balls (44) are arranged into a group of movable supporting parts and a plurality of groups of movable supporting parts are arranged into interval arrangement distribution along the central line of the frame (41),

or the rotating frame (1), the gluing device (8) and the cover pressing device (7) are arranged to be distributed according to a mode of firstly gluing and then mounting covers, the rotating frame (1), the first clamping plate (2) and the second clamping plate (3) are arranged to be distributed according to a clamping and fixing mode, the rotating frame (1), the front push plate (5), the rear push plate (6), the thrust telescopic cylinder (91), the stack chain device (92), the feeding and conveying device (93) and the discharging and conveying device (94) are arranged to be distributed according to a liquid packing box thrust motion mode, a central line of the gluing device (8) and a central line of the cover pressing device (7) are respectively arranged to be distributed along one of circumferential lines with the center of the rotating frame (1) as a circle center, the first clamping plate (2), the second clamping plate (3) and the supporting pad (4) are arranged to form a group of clamping and fixing parts, and a plurality of groups of central lines of clamping and fixing parts are arranged to be distributed along the center of the rotating frame (1) as a circle One of the circumferential lines of the core is distributed.

9. A cover attaching method for a liquid packaging box comprises the following steps: the method is characterized in that: the working state of the liquid packaging box, the gluing working state and the cover pressing working state are in a single-station motion state, and the other two stations are in a static state, so that the cover pasting process of the liquid packaging box is completed.

10. The capping method for a liquid packing box according to claim 9, wherein: the method comprises the following steps: the driving shaft part (16) is driven by a motor to rotate on the bottom plate part (15) to drive the supporting plate (17) to rotate, the liquid packaging box is placed between the two third clamping plates (101), the first driving wheel (103) is in contact with the convex part of the clamping box cam disc (104), the third clamping plates (101) are driven to rotate on the supporting plate (17) through the first crank arm (102), the two third clamping plates (101) are folded inwards, so that the liquid packaging box is clamped between the two third clamping plates (101), the adhering cover is attracted and fixed by the vacuum chuck (74), hot melt adhesive is coated on the ring opening part of the adhering cover through the gluing device (8), the supporting plate (17) is driven to rotate through the driving shaft part (16), the liquid packaging box clamped between the two third clamping plates (101) is moved to the lower end of the swinging arm part (702) and simultaneously passes through the belt wheel part (701), the swinging arm part (702) is driven to rotate for 180 degrees, the sticking cover coated with hot melt adhesive is overturned, the sticking cover coated with hot melt adhesive is placed on a liquid packaging box clamped between two third clamping plates (101), the supporting plate (17) is driven to rotate through the driving shaft part (16), a second driving wheel (902) arranged on the liquid packaging box clamped between the two third clamping plates (101) is contacted with a guide rail (901), a first crank arm (102) is driven to swing on the support (904), a pressing claw (905) acts on the sticking cover on the liquid packaging box clamped between the two third clamping plates (101), the sticking cover is pressed and positioned, the sticking cover is connected with the liquid packaging box, when the second driving wheel (902) arranged on the liquid packaging box clamped between the two third clamping plates (101) is separated from the guide rail (901), the first crank arm (102) is driven to reversely swing on the support (904), the pressing claw (905) does not act on the sticking cover on the liquid packaging box clamped between the two third clamping plates (101), the first driving wheel (103) on the third clamping plate (101) clamping the liquid packaging box is contacted with the concave part of the clamping box cam disc (104), the third clamping plates (101) clamping the liquid packaging box are reversely rotated on the supporting plate (17) through the first crank arm (102), under the action of the magnetic block, the two adjacent third clamping plates (101) are stuck and clamped, the liquid packaging box provided with the sticking cover falls and is taken out from the space between the two third clamping plates (101),

or, the steps are: the cover is conveyed into the cylindrical shell (301) by the lifting device (20), when the rotating disc (302) rotates, the cover is taken by the containing window (306), the poke rod (304) swings with the support rod (303) under the action of the torsion spring (305), the poke rod (304) pushes the cover outwards, the cover enters the chute through the discharge window (307), the cover enters between the first section rear side plate (401) and the front side plate (403) through the chute, the driving rotating wheel (601) rotates to drive the correcting belt (50) to rotate on the first left driven rotating wheel (602), the second left driven rotating wheel (603), the first right driven rotating wheel (604) and the second right driven rotating wheel (605), when the cover enters between the correcting belt (50) and the front side plate (403), the correcting belt (50) drives the cover to rotate, and the bottom flange part of the cover is in contact with the front side plate (403) for positioning, the covers are sequenced according to the same direction, under the thrust action of the correcting belt (50), the covers enter between the back side plate (402) and the front side plate (403) of the second section, thereby conveying the covers to the lower end surface of the vacuum chuck (74) in the initial state,

or, the steps are: the liquid packaging box is put into the input end of a belt conveying device (105), enters between two third clamping plates (101) corresponding to the beginning end of the concave part of the cassette cam disc (104) through the belt conveying device (105), the two third clamping plates (101) rotate along with a supporting plate (17) and enter into a section corresponding to the convex part of the cassette cam disc (104), the two third clamping plates (101) clamp the liquid packaging box, a gluing device (8), a cover pressing device (7), a guide rail (901), a second driving wheel (902), a second crank arm (903), a support seat (904) and a pressing claw (905) are respectively in an operating state in the section corresponding to the convex part of the cassette cam disc (104), the two third clamping plates (101) rotate along with the supporting plate (17) and enter into a section corresponding to the tail end of the convex part of the cassette cam disc (104), the two third clamping plates (101) expand the liquid packaging box, the liquid packaging box is placed at the output end of the belt conveying device (105) after falling, when the motor drives the rotating plate (106) to rotate, the upper end surface part of the cover on the second section rear side plate (402) generates driving acting force, the cover is prevented from being stacked on the second section rear side plate (402),

or, the steps are: liquid packaging boxes are placed between two baffle plates of a stacking chain device (92) by the movement of the feeding conveying device (93), the bottom of each liquid packaging box is placed on a supporting pad (4) between the two baffle plates of the stacking chain device (92), the stacking chain device (92) moves to move one liquid packaging box to an opening position between a first clamping plate (2) and a second clamping plate (3), a thrust telescopic cylinder (91) drives a front push plate (5) and a rear push plate (6) to move, the front push plate (5) moves one liquid packaging box to a position between the first clamping plate (2) and the second clamping plate (3), the rear push plate (6) moves one liquid packaging box provided with a cover on the other side part to a discharging conveying device (94), and the discharging conveying device (94) moves one liquid packaging box provided with the cover to turn over, the double-head telescopic cylinder between the first clamping plate (2) and the second clamping plate (3) drives the first clamping plate (2) and the second clamping plate (3) to fold, the first clamping plate (2) and the second clamping plate (3) are respectively clamped on the side surface part of one liquid packaging box, the bottom part of one liquid packaging box is placed on the supporting pad (4) between the first clamping plate (2) and the second clamping plate (3), the rotating frame (1) rotates, the part of one liquid packaging box, which is provided with a cover, moves to the lower end of the nozzle (87), the first motor (81) drives the upper sliding block (83) to perform a circular motion, the upper sliding block (83) drives the lower sliding block (85) to perform a circular motion through the transverse guide rail (82) and the vertical guide rail (84), so that the nozzle (87) on the inner frame (86) performs a circular motion, and meanwhile, the nozzle (87) coats adhesive glue on the part, which is provided with the cover, of one liquid packaging box, the rotating frame (1) rotates again, the part of one liquid packaging box coated with the bonding glue for installing the cover moves to the lower end of a vacuum sucker (74), a swinging arm (72) is arranged on the part for placing the cover, a left positioning rod (711) is in contact positioning with a left positioning block (77), the vacuum sucker (74) adsorbs the cover, the outer side surface part of the vacuum sucker (74) protrudes outwards, so that a claw piece (75) is folded to clamp the cover, a second motor (71) moves in a half-circle, the swinging arm (72) is turned over by one hundred eighty degrees, a right positioning rod (712) is in contact positioning with a right positioning block (76), a carrying arm (73) presses the cover on the part of one liquid packaging box coated with the bonding glue for installing the cover, the vacuum sucker (74) is separated from the cover and the outer side surface part of the vacuum sucker (74) is folded, so that the claw piece (75) is expanded to release the cover, the cover of one of the liquid packaging boxes is mounted, the rotating frame (1) rotates, one of the liquid packaging boxes with the mounted cover is moved to the input port of the discharging and conveying device (94), the double-head telescopic cylinder between the first clamping plate (2) and the second clamping plate (3) drives the first clamping plate (2) and the second clamping plate (3) to expand, and the rear pushing plate (6) acts on one of the liquid packaging boxes with the mounted cover.